Remove redundant dependencies

This commit is contained in:
vishnukvmd 2023-09-18 22:55:23 +05:30
parent 76f80e00fa
commit 4608e3b268
101 changed files with 0 additions and 5051 deletions

4
.gitmodules vendored
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[submodule "thirdparty/extended_image"]
path = thirdparty/extended_image
url = https://github.com/ente-io/extended_image.git
[submodule "thirdparty/flutter"]
path = thirdparty/flutter
url = https://github.com/flutter/flutter.git

@ -1 +0,0 @@
Subproject commit dc666694ffd763b5eb68c7a195097e471620dafc

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*.dart linguist-language=Dart
*.m linguist-language=Dart
*.h linguist-language=Dart

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.DS_Store
.dart_tool/
.packages
.pub/
pubspec.lock
build/
.idea/
.flutter-plugins-dependencies
.vscode/settings.json
flutter_export_environment.sh

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{
// 使 IntelliSense
//
// 访: https://go.microsoft.com/fwlink/?linkid=830387
"version": "0.2.0",
"configurations": [
{
"name": "Flutter",
"request": "launch",
"type": "dart",
"program": "example/lib/main.dart"
}
]
}

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# CHANGELOG
## 0.7.0
- Fix
- Fix momory leaked for android.
- Support android v2 plugin.
**Breaking Change**:
- Replace `List<int>` to `Uint8List`.
## 0.6.8
Update `Validate` code.
## 0.6.7
Use the async GCD in iOS.
## 0.6.6
[#116](https://github.com/OpenFlutter/flutter_image_compress/pull/116), [#124](https://github.com/OpenFlutter/flutter_image_compress/pull/124)
## 0.6.5+1
Fix:
- Web format error
- Import header error for iOS.
## 0.6.5
New feature
- Support webp on iOS.
## 0.6.4
New feature:
- Add Params inSampleSize for methods.
- Heif and webp Partially supported.
## 0.6.3
Fix:
- Android: When the register of the calling plugin is not in the main process or there is no Activity.
## 0.6.2
Optimization:
- Reduce the speed required for ios to add dependencies by copying the `SYPictureMetadata` source code into the project.
## 0.6.1
Fix:
- autoCorrectionAngle switches image width and height.
New feature:
- Keep exif (no have orientation), use `keepExif`
## 0.6.0
**BREAKING CHANGE** :
- remove method `getImageInfo`.
For the time being, the follow-dev branch is no longer used, but only the master branch is needed to unify the pub version number.
New Feature:
- It is now supported to set the compression target to png format.
## 0.5.2
Fix:
- [#49](https://github.com/OpenFlutter/flutter_image_compress/issues/49): A problem of reading Exif information.
## 0.5.1
Change `reportError` with flutter stable version.
**Breaking Change:**
The autoCorrectionAngle parameter causes a number of situations to behave differently than `0.4.0`. See readme for details.
## 0.5.0
(don't use)
**Breaking Change:**
Because `FlutterError.reportError` method's param `context` type changed.
So this library will add the constraints of flutter SDK so that users before 1.5.9 will not use version 0.5.0 incorrectly.
## 0.4.0
Some code has been added to ensure that parameters that do not pass in native do not trigger crash.
## 0.3.1
Fix:
- Android close file output stream.
## 0.3.0
Fix:
- optimize compress scale.
## 0.2.4
Updated Kotlin version
**Breaking change**. Migrate from the deprecated original Android Support
Library to AndroidX. This shouldn't result in any functional changes, but it
requires any Android apps using this plugin to [also
migrate](https://developer.android.com/jetpack/androidx/migrate) if they're
using the original support library.
## 0.2.3
change iOS return type
## 0.2.2
add some dart doc
## 0.2.1
update readme
## 0.2.0
The version number is updated so that people who can use the higher version of gradle can use it. see pr #8
if android run error, you must update your kotlin'version to 1.2.71+
## 0.1.4
add optional params rotate
fix bug
update example
## 0.1.3
fix the ios `flutter.h` bug
## 0.1.1
update readme
## 0.1.0
first version

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# CONTRIBUTING
Please submit changes to master branch.
And make sure your code is willing to comply with MIT style.

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MIT License
Copyright (c) 2018 caijinglong
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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# flutter_image_compress
[![ImageCompress](https://img.shields.io/badge/OpenFlutter-ImageCompress-blue.svg)](https://github.com/OpenFlutter/flutter_image_compress)
[![pub package](https://img.shields.io/pub/v/flutter_image_compress.svg)](https://pub.dartlang.org/packages/flutter_image_compress)
![GitHub](https://img.shields.io/github/license/OpenFlutter/flutter_image_compress.svg)
[![GitHub stars](https://img.shields.io/github/stars/OpenFlutter/flutter_image_compress.svg?style=social&label=Stars)](https://github.com/OpenFlutter/flutter_image_compress)
[![Awesome](https://img.shields.io/badge/Awesome-Flutter-blue.svg?longCache=true&style=flat-square)](https://stackoverflow.com/questions/tagged/flutter?sort=votes)
Compresses image as native plugin (Obj-C/Kotlin)
This library can works on Android and iOS.
- [flutter_image_compress](#flutter_image_compress)
- [Why don't you use dart to do it](#why-dont-you-use-dart-to-do-it)
- [Usage](#usage)
- [About common params](#about-common-params)
- [minWidth and minHeight](#minwidth-and-minheight)
- [rotate](#rotate)
- [autoCorrectionAngle](#autocorrectionangle)
- [quality](#quality)
- [format](#format)
- [Webp](#webp)
- [HEIF(Heic)](#heifheic)
- [Heif for iOS](#heif-for-ios)
- [Heif for Android](#heif-for-android)
- [inSampleSize](#insamplesize)
- [keepExif](#keepexif)
- [Result](#result)
- [About `List<int>` and `Uint8List`](#about-listint-and-uint8list)
- [Runtime Error](#runtime-error)
- [Android](#android)
- [iOS](#ios)
- [Troubleshooting or common error](#troubleshooting-or-common-error)
- [Compressing returns `null`](#compressing-returns-null)
- [Android build error](#android-build-error)
- [About EXIF information](#about-exif-information)
- [LICENSE](#license)
- [PNG/JPEG encoder](#pngjpeg-encoder)
- [Webp encoder](#webp-encoder)
- [HEIF encoder](#heif-encoder)
- [About Exif handle code](#about-exif-handle-code)
## Why don't you use dart to do it
QDart already has image compression libraries. Why use native?
AFor unknown reasons, image compression in Dart language is not efficient, even in release version. Using isolate does not solve the problem.
## Usage
```yaml
dependencies:
flutter_image_compress: ^0.7.0
```
```dart
import 'package:flutter_image_compress/flutter_image_compress.dart';
```
Use as:
[See full example](https://github.com/OpenFlutter/flutter_image_compress/blob/master/example/lib/main.dart)
There are several ways to use the library api.
```dart
// 1. compress file and get Uint8List
Future<Uint8List> testCompressFile(File file) async {
var result = await FlutterImageCompress.compressWithFile(
file.absolute.path,
minWidth: 2300,
minHeight: 1500,
quality: 94,
rotate: 90,
);
print(file.lengthSync());
print(result.length);
return result;
}
// 2. compress file and get file.
Future<File> testCompressAndGetFile(File file, String targetPath) async {
var result = await FlutterImageCompress.compressAndGetFile(
file.absolute.path, targetPath,
quality: 88,
rotate: 180,
);
print(file.lengthSync());
print(result.lengthSync());
return result;
}
// 3. compress asset and get Uint8List.
Future<Uint8List> testCompressAsset(String assetName) async {
var list = await FlutterImageCompress.compressAssetImage(
assetName,
minHeight: 1920,
minWidth: 1080,
quality: 96,
rotate: 180,
);
return list;
}
// 4. compress Uint8List and get another Uint8List.
Future<Uint8List> testComporessList(Uint8List list) async {
var result = await FlutterImageCompress.compressWithList(
list,
minHeight: 1920,
minWidth: 1080,
quality: 96,
rotate: 135,
);
print(list.length);
print(result.length);
return result;
}
```
## About common params
### minWidth and minHeight
`minWidth` and `minHeight` are constraints on image scaling.
For example, a 4000\*2000 image, `minWidth` set to 1920, `minHeight` set to 1080, the calculation is as follows:
```dart
// Using dart as an example, the actual implementation is Kotlin or OC.
import 'dart:math' as math;
void main() {
var scale = calcScale(
srcWidth: 4000,
srcHeight: 2000,
minWidth: 1920,
minHeight: 1080,
);
print("scale = $scale"); // scale = 1.8518518518518519
print("target width = ${4000 / scale}, height = ${2000 / scale}"); // target width = 2160.0, height = 1080.0
}
double calcScale({
double srcWidth,
double srcHeight,
double minWidth,
double minHeight,
}) {
var scaleW = srcWidth / minWidth;
var scaleH = srcHeight / minHeight;
var scale = math.max(1.0, math.min(scaleW, scaleH));
return scale;
}
```
If your image width is smaller than minWidth or height samller than minHeight, scale will be 1, that is, the size will not change.
### rotate
If you need to rotate the picture, use this parameter.
### autoCorrectionAngle
This property only exists in the version after 0.5.0.
And for historical reasons, there may be conflicts with rotate attributes, which need to be self-corrected.
Modify rotate to 0 or autoCorrectionAngle to false.
### quality
Quality of target image.
If `format` is png, the param will be ignored in iOS.
### format
Supports jpeg or png, default is jpeg.
The format class sign `enum CompressFormat`.
Heif and webp Partially supported.
#### Webp
Support android by the system api (speed very nice).
And support iOS, but However, no system implementation, using [third-party libraries](https://github.com/SDWebImage/SDWebImageWebPCoder) used, it is not recommended due to encoding speed. In the future, libwebp by google (c / c ++) may be used to do coding work, bypassing other three-party libraries, but there is no guarantee of implementation time.
#### HEIF(Heic)
##### Heif for iOS
Only support iOS 11+.
##### Heif for Android
Use https://developer.android.com/reference/androidx/heifwriter/HeifWriter.html to implemation.
Only support API 28+.
And may require hardware encoder support, does not guarantee that all devices above API28 are available
### inSampleSize
The param is only support android.
For a description of this parameter, see the [Android official website](https://developer.android.com/reference/android/graphics/BitmapFactory.Options.html#inSampleSize).
### keepExif
If this parameter is true, EXIF information is saved in the compressed result.
Attention should be paid to the following points:
1. Default value is false.
2. Even if set to true, the direction attribute is not included.
3. Only support jpg format, PNG format does not support.
## Result
The result of returning a List collection will not have null, but will always be an empty array.
The returned file may be null. In addition, please decide for yourself whether the file exists.
### About `List<int>` and `Uint8List`
You may need to convert `List<int>` to `Uint8List` to display images.
To use `Uint8List`, you need import package to your code like this:
![img](https://raw.githubusercontent.com/CaiJingLong/asset_for_picgo/master/20190519111735.png)
```dart
final image = Uint8List.fromList(imageList)
ImageProvider provider = MemoryImage(Uint8List.fromList(imageList));
```
Usage in `Image` Widget:
```dart
List<int> image = await testCompressFile(file);
ImageProvider provider = MemoryImage(Uint8List.fromList(image));
Image(
image: provider ?? AssetImage("img/img.jpg"),
),
```
Write to file usage:
```dart
void writeToFile(List<int> image, String filePath) {
final file = File(filePath);
file.writeAsBytes(image, flush: true, mode: FileMode.write);
}
```
## Runtime Error
Because of some support issues, all APIs will be compatible with format and system compatibility, and an exception (UnsupportError) may be thrown, so if you insist on using webp and heic formats, please catch the exception yourself and use it on unsupported devices jpeg compression.
Example:
```dart
Future<Uint8List> compressAndTryCatch(String path) async {
Uint8List result;
try {
result = await FlutterImageCompress.compressWithFile(path,
format: CompressFormat.heic);
} on UnsupportedError catch (e) {
print(e);
result = await FlutterImageCompress.compressWithFile(path,
format: CompressFormat.jpeg);
}
return result;
}
```
## Android
You may need to update Kotlin to version `1.3.72` or higher.
## iOS
No problems currently found.
## Troubleshooting or common error
### Compressing returns `null`
Sometimes, compressing will return null. You should check if you can read/write the file, and the parent folder of the target file must exist.
For example, use the [path_provider](https://pub.dartlang.org/packages/path_provide) plugin to access some application folders, and use a permission plugin to request permission to access SD cards on Android/iOS.
### Android build error
```groovy
Caused by: org.gradle.internal.event.ListenerNotificationException: Failed to notify project evaluation listener.
at org.gradle.internal.event.AbstractBroadcastDispatch.dispatch(AbstractBroadcastDispatch.java:86)
...
Caused by: java.lang.AbstractMethodError
at org.jetbrains.kotlin.gradle.plugin.KotlinPluginKt.resolveSubpluginArtifacts(KotlinPlugin.kt:776)
...
```
See [flutter/flutter/issues#21473](https://github.com/flutter/flutter/issues/21473#issuecomment-420434339)
You need to upgrade your Kotlin version to `1.2.71+`(recommended 1.3.72).
If Flutter supports more platforms (Windows, Mac, Linux, etc) in the future and you use this library, propose an issue or PR!
## About EXIF information
Using this library, EXIF information will be removed by default.
EXIF information can be retained by setting keepExif to true, but not `direction` information.
## LICENSE
The code under MIT style.
### PNG/JPEG encoder
Each using system API.
### Webp encoder
Use [SDWebImageWebPCoder](https://github.com/SDWebImage/SDWebImageWebPCoder) to encode the UIImage in iOS. (Under MIT)
Android code use the Android system api.
### HEIF encoder
Use iOS system api in iOS.
Use [HeifWriter(androidx component by Google)](https://developer.android.google.cn/jetpack/androidx/releases/heifwriter) to encode in androidP or higher.
### About Exif handle code
The iOS code was copied from [dvkch/SYPictureMetadata](https://github.com/dvkch/SYPictureMetadata), [LICENSE](https://github.com/dvkch/SYPictureMetadata/blob/master/LICENSE.md)
The android code was copied from flutter/plugin/image_picker and edit some. (BSD 3 style)

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*.iml
.gradle
/local.properties
/.idea/workspace.xml
/.idea/libraries
.DS_Store
/build
/captures
.settings
.classpath
.project

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group 'com.example.flutterimagecompress'
version '1.0-SNAPSHOT'
buildscript {
ext.kotlin_version = '1.3.50'
repositories {
google()
jcenter()
}
dependencies {
classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
}
}
rootProject.allprojects {
repositories {
google()
jcenter()
}
}
apply plugin: 'com.android.library'
apply plugin: 'kotlin-android'
android {
compileSdkVersion 29
sourceSets {
main.java.srcDirs += 'src/main/kotlin'
}
defaultConfig {
minSdkVersion 16
targetSdkVersion 29
testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
}
lintOptions {
disable 'InvalidPackage'
}
}
dependencies {
implementation 'androidx.exifinterface:exifinterface:1.1.0'
implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
implementation 'commons-io:commons-io:2.6'
implementation group: 'androidx.heifwriter', name: 'heifwriter', version: '1.0.0'
}

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org.gradle.jvmargs=-Xmx1536M

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#Thu Feb 09 18:40:11 IST 2023
distributionBase=GRADLE_USER_HOME
distributionUrl=https\://services.gradle.org/distributions/gradle-7.4.2-bin.zip
distributionPath=wrapper/dists
zipStorePath=wrapper/dists
zipStoreBase=GRADLE_USER_HOME

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#!/usr/bin/env sh
##############################################################################
##
## Gradle start up script for UN*X
##
##############################################################################
# Attempt to set APP_HOME
# Resolve links: $0 may be a link
PRG="$0"
# Need this for relative symlinks.
while [ -h "$PRG" ] ; do
ls=`ls -ld "$PRG"`
link=`expr "$ls" : '.*-> \(.*\)$'`
if expr "$link" : '/.*' > /dev/null; then
PRG="$link"
else
PRG=`dirname "$PRG"`"/$link"
fi
done
SAVED="`pwd`"
cd "`dirname \"$PRG\"`/" >/dev/null
APP_HOME="`pwd -P`"
cd "$SAVED" >/dev/null
APP_NAME="Gradle"
APP_BASE_NAME=`basename "$0"`
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
DEFAULT_JVM_OPTS=""
# Use the maximum available, or set MAX_FD != -1 to use that value.
MAX_FD="maximum"
warn () {
echo "$*"
}
die () {
echo
echo "$*"
echo
exit 1
}
# OS specific support (must be 'true' or 'false').
cygwin=false
msys=false
darwin=false
nonstop=false
case "`uname`" in
CYGWIN* )
cygwin=true
;;
Darwin* )
darwin=true
;;
MINGW* )
msys=true
;;
NONSTOP* )
nonstop=true
;;
esac
CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
# Determine the Java command to use to start the JVM.
if [ -n "$JAVA_HOME" ] ; then
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD="$JAVA_HOME/jre/sh/java"
else
JAVACMD="$JAVA_HOME/bin/java"
fi
if [ ! -x "$JAVACMD" ] ; then
die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
else
JAVACMD="java"
which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
# Increase the maximum file descriptors if we can.
if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
MAX_FD_LIMIT=`ulimit -H -n`
if [ $? -eq 0 ] ; then
if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
MAX_FD="$MAX_FD_LIMIT"
fi
ulimit -n $MAX_FD
if [ $? -ne 0 ] ; then
warn "Could not set maximum file descriptor limit: $MAX_FD"
fi
else
warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
fi
fi
# For Darwin, add options to specify how the application appears in the dock
if $darwin; then
GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
fi
# For Cygwin, switch paths to Windows format before running java
if $cygwin ; then
APP_HOME=`cygpath --path --mixed "$APP_HOME"`
CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
JAVACMD=`cygpath --unix "$JAVACMD"`
# We build the pattern for arguments to be converted via cygpath
ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
SEP=""
for dir in $ROOTDIRSRAW ; do
ROOTDIRS="$ROOTDIRS$SEP$dir"
SEP="|"
done
OURCYGPATTERN="(^($ROOTDIRS))"
# Add a user-defined pattern to the cygpath arguments
if [ "$GRADLE_CYGPATTERN" != "" ] ; then
OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
fi
# Now convert the arguments - kludge to limit ourselves to /bin/sh
i=0
for arg in "$@" ; do
CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
else
eval `echo args$i`="\"$arg\""
fi
i=$((i+1))
done
case $i in
(0) set -- ;;
(1) set -- "$args0" ;;
(2) set -- "$args0" "$args1" ;;
(3) set -- "$args0" "$args1" "$args2" ;;
(4) set -- "$args0" "$args1" "$args2" "$args3" ;;
(5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
(6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
(7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
(8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
(9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
esac
fi
# Escape application args
save () {
for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
echo " "
}
APP_ARGS=$(save "$@")
# Collect all arguments for the java command, following the shell quoting and substitution rules
eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
cd "$(dirname "$0")"
fi
exec "$JAVACMD" "$@"

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@if "%DEBUG%" == "" @echo off
@rem ##########################################################################
@rem
@rem Gradle startup script for Windows
@rem
@rem ##########################################################################
@rem Set local scope for the variables with windows NT shell
if "%OS%"=="Windows_NT" setlocal
set DIRNAME=%~dp0
if "%DIRNAME%" == "" set DIRNAME=.
set APP_BASE_NAME=%~n0
set APP_HOME=%DIRNAME%
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
set DEFAULT_JVM_OPTS=
@rem Find java.exe
if defined JAVA_HOME goto findJavaFromJavaHome
set JAVA_EXE=java.exe
%JAVA_EXE% -version >NUL 2>&1
if "%ERRORLEVEL%" == "0" goto init
echo.
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:findJavaFromJavaHome
set JAVA_HOME=%JAVA_HOME:"=%
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
if exist "%JAVA_EXE%" goto init
echo.
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:init
@rem Get command-line arguments, handling Windows variants
if not "%OS%" == "Windows_NT" goto win9xME_args
:win9xME_args
@rem Slurp the command line arguments.
set CMD_LINE_ARGS=
set _SKIP=2
:win9xME_args_slurp
if "x%~1" == "x" goto execute
set CMD_LINE_ARGS=%*
:execute
@rem Setup the command line
set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
@rem Execute Gradle
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
:end
@rem End local scope for the variables with windows NT shell
if "%ERRORLEVEL%"=="0" goto mainEnd
:fail
rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
rem the _cmd.exe /c_ return code!
if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
exit /b 1
:mainEnd
if "%OS%"=="Windows_NT" endlocal
:omega

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@ -1 +0,0 @@
rootProject.name = 'flutter_image_compress'

View file

@ -1,7 +0,0 @@
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
package="com.example.flutterimagecompress">
<uses-sdk tools:overrideLibrary="androidx.heifwriter"/>
</manifest>

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@ -1,69 +0,0 @@
package com.example.flutterimagecompress
import android.content.Context
import android.os.Build
import com.example.flutterimagecompress.core.CompressFileHandler
import com.example.flutterimagecompress.core.CompressListHandler
import com.example.flutterimagecompress.format.FormatRegister
import com.example.flutterimagecompress.handle.common.CommonHandler
import com.example.flutterimagecompress.handle.heif.HeifHandler
import io.flutter.embedding.engine.plugins.FlutterPlugin
import io.flutter.plugin.common.MethodCall
import io.flutter.plugin.common.MethodChannel
import io.flutter.plugin.common.MethodChannel.MethodCallHandler
import io.flutter.plugin.common.MethodChannel.Result
import io.flutter.plugin.common.PluginRegistry.Registrar
class FlutterImageCompressPlugin : FlutterPlugin, MethodCallHandler {
private lateinit var context: Context
var channel: MethodChannel? = null
companion object {
@JvmStatic
fun registerWith(registrar: Registrar): Unit {
val plugin = FlutterImageCompressPlugin()
plugin.channel = MethodChannel(registrar.messenger(), "flutter_image_compress")
plugin.context = registrar.context()
plugin.channel?.setMethodCallHandler(plugin)
}
var showLog = false
}
init {
FormatRegister.registerFormat(CommonHandler(0)) // jpeg
FormatRegister.registerFormat(CommonHandler(1)) // png
FormatRegister.registerFormat(HeifHandler()) // heic / heif
FormatRegister.registerFormat(CommonHandler(3)) // webp
}
override fun onMethodCall(call: MethodCall, result: Result): Unit {
when (call.method) {
"showLog" -> result.success(handleLog(call))
"compressWithList" -> CompressListHandler(call, result).handle(context)
"compressWithFile" -> CompressFileHandler(call, result).handle(context)
"compressWithFileAndGetFile" -> CompressFileHandler(call, result).handleGetFile(context)
"getSystemVersion" -> result.success(Build.VERSION.SDK_INT)
else -> result.notImplemented()
}
}
private fun handleLog(call: MethodCall): Int {
val arg = call.arguments<Boolean>()
showLog = (arg == true)
return 1
}
override fun onAttachedToEngine(binding: FlutterPlugin.FlutterPluginBinding) {
this.context = binding.applicationContext
channel = MethodChannel(binding.binaryMessenger, "flutter_image_compress")
channel?.setMethodCallHandler(this)
}
override fun onDetachedFromEngine(binding: FlutterPlugin.FlutterPluginBinding) {
channel?.setMethodCallHandler(null)
channel = null
}
}

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@ -1,117 +0,0 @@
package com.example.flutterimagecompress.core
import android.content.Context
import com.example.flutterimagecompress.FlutterImageCompressPlugin
import com.example.flutterimagecompress.exif.Exif
import com.example.flutterimagecompress.format.FormatRegister
import com.example.flutterimagecompress.logger.log
import io.flutter.plugin.common.MethodCall
import io.flutter.plugin.common.MethodChannel
import java.io.ByteArrayOutputStream
import java.io.File
import java.io.OutputStream
class CompressFileHandler(private val call: MethodCall, result: MethodChannel.Result) : ResultHandler(result) {
fun handle(context: Context) {
threadPool.execute {
@Suppress("UNCHECKED_CAST") val args: List<Any> = call.arguments as List<Any>
val filePath = args[0] as String
var minWidth = args[1] as Int
var minHeight = args[2] as Int
val quality = args[3] as Int
val rotate = args[4] as Int
val autoCorrectionAngle = args[5] as Boolean
val format = args[6] as Int
val keepExif = args[7] as Boolean
val inSampleSize = args[8] as Int
val formatHandler = FormatRegister.findFormat(format)
if (formatHandler == null) {
log("No support format.")
reply(null)
return@execute
}
val exifRotate =
if (autoCorrectionAngle) {
val bytes = File(filePath).readBytes()
Exif.getRotationDegrees(bytes)
} else {
0
}
if (exifRotate == 270 || exifRotate == 90) {
val tmp = minWidth
minWidth = minHeight
minHeight = tmp
}
val targetRotate = rotate + exifRotate
val outputStream = ByteArrayOutputStream()
try {
formatHandler.handleFile(context, filePath, outputStream, minWidth, minHeight, quality, targetRotate, keepExif, inSampleSize)
reply(outputStream.toByteArray())
} catch (e: Exception) {
if (FlutterImageCompressPlugin.showLog) e.printStackTrace()
reply(null)
} finally {
outputStream.close()
}
}
}
fun handleGetFile(context: Context) {
threadPool.execute {
@Suppress("UNCHECKED_CAST") val args: List<Any> = call.arguments as List<Any>
val file = args[0] as String
var minWidth = args[1] as Int
var minHeight = args[2] as Int
val quality = args[3] as Int
val targetPath = args[4] as String
val rotate = args[5] as Int
val autoCorrectionAngle = args[6] as Boolean
val exifRotate =
if (autoCorrectionAngle) {
val bytes = File(file).readBytes()
Exif.getRotationDegrees(bytes)
} else {
0
}
val format = args[7] as Int
val keepExif = args[8] as Boolean
val inSampleSize = args[9] as Int
val formatHandler = FormatRegister.findFormat(format)
if (formatHandler == null) {
log("No support format.")
reply(null)
return@execute
}
if (exifRotate == 270 || exifRotate == 90) {
val tmp = minWidth
minWidth = minHeight
minHeight = tmp
}
val targetRotate = rotate + exifRotate
var outputStream: OutputStream? = null
try {
outputStream = File(targetPath).outputStream()
formatHandler.handleFile(context, file, outputStream, minWidth, minHeight, quality, targetRotate, keepExif, inSampleSize)
reply(targetPath)
} catch (e: Exception) {
if (FlutterImageCompressPlugin.showLog) e.printStackTrace()
reply(null)
} finally {
outputStream?.close()
}
}
}
}

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@ -1,65 +0,0 @@
package com.example.flutterimagecompress.core
import android.content.Context
import com.example.flutterimagecompress.FlutterImageCompressPlugin
import com.example.flutterimagecompress.exception.CompressError
import com.example.flutterimagecompress.exif.Exif
import com.example.flutterimagecompress.format.FormatRegister
import com.example.flutterimagecompress.logger.log
import io.flutter.plugin.common.MethodCall
import io.flutter.plugin.common.MethodChannel
import java.io.ByteArrayOutputStream
class CompressListHandler(private val call: MethodCall, result: MethodChannel.Result) : ResultHandler(result) {
fun handle(context: Context) {
threadPool.execute {
@Suppress("UNCHECKED_CAST") val args: List<Any> = call.arguments as List<Any>
val arr = args[0] as ByteArray
var minWidth = args[1] as Int
var minHeight = args[2] as Int
val quality = args[3] as Int
val rotate = args[4] as Int
val autoCorrectionAngle = args[5] as Boolean
val format = args[6] as Int
val keepExif = args[7] as Boolean
val inSampleSize = args[8] as Int
val exifRotate = if (autoCorrectionAngle) Exif.getRotationDegrees(arr) else 0
if (exifRotate == 270 || exifRotate == 90) {
val tmp = minWidth
minWidth = minHeight
minHeight = tmp
}
val formatHandler = FormatRegister.findFormat(format)
if (formatHandler == null) {
log("No support format.")
reply(null)
return@execute
}
val targetRotate = rotate + exifRotate
val outputStream = ByteArrayOutputStream()
try {
formatHandler.handleByteArray(context, arr, outputStream, minWidth, minHeight, quality, targetRotate, keepExif, inSampleSize)
reply(outputStream.toByteArray())
} catch (e: CompressError) {
log(e.message)
if (FlutterImageCompressPlugin.showLog) e.printStackTrace()
reply(null)
} catch (e: Exception) {
if (FlutterImageCompressPlugin.showLog) e.printStackTrace()
reply(null)
} finally {
outputStream.close()
}
}
}
}

View file

@ -1,45 +0,0 @@
package com.example.flutterimagecompress.core
import android.os.Handler
import android.os.Looper
import io.flutter.plugin.common.MethodChannel
import java.util.concurrent.ExecutorService
import java.util.concurrent.Executors
abstract class ResultHandler(private var result: MethodChannel.Result?) {
companion object {
@JvmStatic
private val handler = Handler(Looper.getMainLooper())
@JvmStatic
val threadPool: ExecutorService = Executors.newFixedThreadPool(8)
}
private var isReply = false
fun reply(any: Any?) {
if (isReply) {
return
}
isReply = true
val result = this.result
this.result = null
handler.post {
result?.success(any)
}
}
fun replyError(code: String, message: String? = null, obj: Any? = null) {
if (isReply) {
return
}
isReply = true
val result = this.result
this.result = null
handler.post {
result?.error(code, message, obj)
}
}
}

View file

@ -1,5 +0,0 @@
package com.example.flutterimagecompress.exception
import java.lang.Exception
class CompressError(message: String) : Exception(message)

View file

@ -1,30 +0,0 @@
package com.example.flutterimagecompress.exif
import androidx.exifinterface.media.ExifInterface
import java.io.ByteArrayInputStream
import java.io.File
object Exif {
fun getRotationDegrees(_bytes: ByteArray): Int {
return try {
getFromExifInterface(_bytes)
} catch (e: Exception) {
0
}
}
private fun getFromExifInterface(byteArray: ByteArray): Int {
val exifInterface = ExifInterface(ByteArrayInputStream(byteArray))
return exifInterface.rotationDegrees
}
fun getRotationDegrees(file: File): Int {
return try {
ExifInterface(file.absolutePath).rotationDegrees
} catch (e: Exception) {
0
}
}
}

View file

@ -1,131 +0,0 @@
package com.example.flutterimagecompress.exif;
/// create 2019-07-02 by cai
import android.content.Context;
import android.util.Log;
import org.apache.commons.io.IOUtils;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.UUID;
import androidx.exifinterface.media.ExifInterface;
public class ExifKeeper {
private static List<String> attributes =
Arrays.asList(
"FNumber",
"ExposureTime",
"ISOSpeedRatings",
"GPSAltitude",
"GPSAltitudeRef",
"FocalLength",
"GPSDateStamp",
"WhiteBalance",
"GPSProcessingMethod",
"GPSTimeStamp",
"DateTime",
"Flash",
"GPSLatitude",
"GPSLatitudeRef",
"GPSLongitude",
"GPSLongitudeRef",
"Make",
"Model");
private ExifInterface oldExif;
public ExifKeeper(ExifInterface oldExif) {
this.oldExif = oldExif;
}
public ExifKeeper(String filePath) throws IOException {
this.oldExif = new ExifInterface(filePath);
}
public ExifKeeper(byte[] buf) throws IOException {
this.oldExif = new ExifInterface(new ByteArrayInputStream(buf));
}
private static void copyExif(ExifInterface oldExif, ExifInterface newExif) {
for (String attribute : attributes) {
setIfNotNull(oldExif, newExif, attribute);
}
try {
newExif.saveAttributes();
} catch (IOException e) {
}
}
private static void setIfNotNull(ExifInterface oldExif, ExifInterface newExif, String property) {
if (oldExif.getAttribute(property) != null) {
newExif.setAttribute(property, oldExif.getAttribute(property));
}
}
public ByteArrayOutputStream writeToOutputStream(Context context, ByteArrayOutputStream outputStream) {
FileOutputStream fileOutputStream = null;
FileInputStream fileInputStream = null;
try {
String uuid = UUID.randomUUID().toString();
File file = new File(context.getCacheDir(), uuid + ".jpg");
fileOutputStream = new FileOutputStream(file);
IOUtils.write(outputStream.toByteArray(), fileOutputStream);
fileOutputStream.close();
ExifInterface newExif = new ExifInterface(file.getAbsolutePath());
copyExif(oldExif, newExif);
newExif.saveAttributes();
fileOutputStream.close();
ByteArrayOutputStream newStream = new ByteArrayOutputStream();
fileInputStream = new FileInputStream(file);
IOUtils.copy(fileInputStream, newStream);
fileInputStream.close();
return newStream;
} catch (Exception ex) {
Log.e("ExifDataCopier", "Error preserving Exif data on selected image: " + ex);
}
if (fileInputStream != null) {
try {
fileInputStream.close();
} catch (IOException e) {
e.printStackTrace();
}
}
if (fileOutputStream != null) {
try {
fileOutputStream.close();
} catch (IOException e) {
e.printStackTrace();
}
}
return outputStream;
}
public void copyExifToFile(File file) {
try {
ExifInterface newExif = new ExifInterface(file.getAbsolutePath());
copyExif(oldExif, newExif);
newExif.saveAttributes();
} catch (IOException e) {
return;
}
}
}

View file

@ -1,71 +0,0 @@
package com.example.flutterimagecompress.ext
import android.graphics.Bitmap
import android.graphics.Matrix
import com.example.flutterimagecompress.FlutterImageCompressPlugin
import java.io.ByteArrayOutputStream
import java.io.OutputStream
import kotlin.math.max
import kotlin.math.min
fun Bitmap.compress(minWidth: Int, minHeight: Int, quality: Int, rotate: Int = 0, format: Int): ByteArray {
val outputStream = ByteArrayOutputStream()
compress(minWidth, minHeight, quality, rotate, outputStream, format)
return outputStream.toByteArray()
}
fun Bitmap.compress(minWidth: Int, minHeight: Int, quality: Int, rotate: Int = 0, outputStream: OutputStream, format: Int = 0) {
val w = this.width.toFloat()
val h = this.height.toFloat()
log("src width = $w")
log("src height = $h")
val scale = calcScale(minWidth, minHeight)
log("scale = $scale")
val destW = w / scale
val destH = h / scale
log("dst width = $destW")
log("dst height = $destH")
Bitmap.createScaledBitmap(this, destW.toInt(), destH.toInt(), true)
.rotate(rotate)
.compress(convertFormatIndexToFormat(format), quality, outputStream)
}
private fun log(any: Any?) {
if (FlutterImageCompressPlugin.showLog) {
println(any ?: "null")
}
}
fun Bitmap.rotate(rotate: Int): Bitmap {
return if (rotate % 360 != 0) {
val matrix = Matrix()
matrix.setRotate(rotate.toFloat())
// 围绕原地进行旋转
Bitmap.createBitmap(this, 0, 0, width, height, matrix, false)
} else {
this
}
}
fun Bitmap.calcScale(minWidth: Int, minHeight: Int): Float {
val w = width.toFloat()
val h = height.toFloat()
val scaleW = w / minWidth.toFloat()
val scaleH = h / minHeight.toFloat()
log("width scale = $scaleW")
log("height scale = $scaleH")
return max(1f, min(scaleW, scaleH))
}
fun convertFormatIndexToFormat(type: Int): Bitmap.CompressFormat {
return if (type == 1) Bitmap.CompressFormat.PNG else if (type == 3) Bitmap.CompressFormat.WEBP else Bitmap.CompressFormat.JPEG
}

View file

@ -1,19 +0,0 @@
package com.example.flutterimagecompress.format
import android.util.SparseArray
import com.example.flutterimagecompress.handle.FormatHandler
object FormatRegister {
private val formatMap = SparseArray<FormatHandler>()
fun registerFormat(handler: FormatHandler) {
formatMap.append(handler.type, handler)
}
fun findFormat(formatIndex: Int): FormatHandler? {
return formatMap.get(formatIndex)
}
}

View file

@ -1,15 +0,0 @@
package com.example.flutterimagecompress.handle
import android.content.Context
import java.io.OutputStream
interface FormatHandler {
val type: Int
val typeName: String
fun handleByteArray(context: Context, byteArray: ByteArray, outputStream: OutputStream, minWidth: Int, minHeight: Int, quality: Int, rotate: Int, keepExif: Boolean, inSampleSize: Int)
fun handleFile(context: Context, path: String, outputStream: OutputStream, minWidth: Int, minHeight: Int, quality: Int, rotate: Int, keepExif: Boolean, inSampleSize: Int)
}

View file

@ -1,114 +0,0 @@
package com.example.flutterimagecompress.handle.common
import android.content.Context
import android.graphics.Bitmap
import android.graphics.BitmapFactory
import com.example.flutterimagecompress.exif.ExifKeeper
import com.example.flutterimagecompress.ext.calcScale
import com.example.flutterimagecompress.ext.compress
import com.example.flutterimagecompress.ext.rotate
import com.example.flutterimagecompress.handle.FormatHandler
import com.example.flutterimagecompress.logger.log
import java.io.ByteArrayOutputStream
import java.io.OutputStream
class CommonHandler(override val type: Int) : FormatHandler {
override val typeName: String
get() {
return when (type) {
1 -> "png"
3 -> "webp"
else -> "jpeg"
}
}
private val bitmapFormat: Bitmap.CompressFormat
get() {
return when (type) {
1 -> Bitmap.CompressFormat.PNG
3 -> Bitmap.CompressFormat.WEBP
else -> Bitmap.CompressFormat.JPEG
}
}
override fun handleByteArray(context: Context, byteArray: ByteArray, outputStream: OutputStream, minWidth: Int, minHeight: Int, quality: Int, rotate: Int, keepExif: Boolean, inSampleSize: Int) {
val result = compress(byteArray, minWidth, minHeight, quality, rotate, inSampleSize)
if (keepExif && bitmapFormat == Bitmap.CompressFormat.JPEG) {
val byteArrayOutputStream = ByteArrayOutputStream()
byteArrayOutputStream.write(result)
val resultStream = ExifKeeper(byteArray).writeToOutputStream(
context,
byteArrayOutputStream
)
outputStream.write(resultStream.toByteArray())
} else {
outputStream.write(result)
}
}
private fun compress(arr: ByteArray, minWidth: Int, minHeight: Int, quality: Int, rotate: Int = 0, inSampleSize: Int): ByteArray {
val options = BitmapFactory.Options()
options.inJustDecodeBounds = false
options.inPreferredConfig = Bitmap.Config.RGB_565
options.inSampleSize = inSampleSize
if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.M) {
@Suppress("DEPRECATION")
options.inDither = true
}
val bitmap = BitmapFactory.decodeByteArray(arr, 0, arr.count(), options)
val outputStream = ByteArrayOutputStream()
val w = bitmap.width.toFloat()
val h = bitmap.height.toFloat()
log("src width = $w")
log("src height = $h")
val scale = bitmap.calcScale(minWidth, minHeight)
log("scale = $scale")
val destW = w / scale
val destH = h / scale
log("dst width = $destW")
log("dst height = $destH")
Bitmap.createScaledBitmap(bitmap, destW.toInt(), destH.toInt(), true)
.rotate(rotate)
.compress(bitmapFormat, quality, outputStream)
return outputStream.toByteArray()
}
override fun handleFile(context: Context, path: String, outputStream: OutputStream, minWidth: Int, minHeight: Int, quality: Int, rotate: Int, keepExif: Boolean, inSampleSize: Int) {
val options = BitmapFactory.Options()
options.inJustDecodeBounds = false
options.inPreferredConfig = Bitmap.Config.RGB_565
options.inSampleSize = inSampleSize
if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.M) {
@Suppress("DEPRECATION")
options.inDither = true
}
val bitmap = BitmapFactory.decodeFile(path, options)
val array = bitmap.compress(minWidth, minHeight, quality, rotate, type)
if (keepExif && bitmapFormat == Bitmap.CompressFormat.JPEG) {
val byteArrayOutputStream = ByteArrayOutputStream()
byteArrayOutputStream.write(array)
val tmpOutputStream = ExifKeeper(path).writeToOutputStream(
context,
byteArrayOutputStream
)
outputStream.write(tmpOutputStream.toByteArray())
} else {
outputStream.write(array)
}
}
}

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@ -1,90 +0,0 @@
package com.example.flutterimagecompress.handle.heif
import android.content.Context
import android.graphics.Bitmap
import android.graphics.BitmapFactory
import android.os.Build
import androidx.heifwriter.HeifWriter
import com.example.flutterimagecompress.ext.calcScale
import com.example.flutterimagecompress.ext.rotate
import com.example.flutterimagecompress.handle.FormatHandler
import com.example.flutterimagecompress.logger.log
import com.example.flutterimagecompress.util.TmpFileUtil
import java.io.OutputStream
class HeifHandler : FormatHandler {
override val type: Int
get() = 2
override val typeName: String
get() = "heif"
override fun handleByteArray(context: Context, byteArray: ByteArray, outputStream: OutputStream, minWidth: Int, minHeight: Int, quality: Int, rotate: Int, keepExif: Boolean, inSampleSize: Int) {
val tmpFile = TmpFileUtil.createTmpFile(context)
compress(byteArray, minWidth, minHeight, quality, rotate, inSampleSize, tmpFile.absolutePath)
outputStream.write(tmpFile.readBytes())
}
private fun compress(arr: ByteArray, minWidth: Int, minHeight: Int, quality: Int, rotate: Int = 0, inSampleSize: Int, targetPath: String) {
val options = makeOption(inSampleSize)
val bitmap = BitmapFactory.decodeByteArray(arr, 0, arr.count(), options)
convertToHeif(bitmap, minWidth, minHeight, rotate, targetPath, quality)
}
private fun compress(path: String, minWidth: Int, minHeight: Int, quality: Int, rotate: Int = 0, inSampleSize: Int, targetPath: String) {
val options = makeOption(inSampleSize)
val bitmap = BitmapFactory.decodeFile(path, options)
convertToHeif(bitmap, minWidth, minHeight, rotate, targetPath, quality)
}
private fun makeOption(inSampleSize: Int): BitmapFactory.Options {
val options = BitmapFactory.Options()
options.inJustDecodeBounds = false
options.inPreferredConfig = Bitmap.Config.RGB_565
options.inSampleSize = inSampleSize
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
@Suppress("DEPRECATION")
options.inDither = true
}
return options
}
private fun convertToHeif(bitmap: Bitmap, minWidth: Int, minHeight: Int, rotate: Int, targetPath: String, quality: Int) {
val w = bitmap.width.toFloat()
val h = bitmap.height.toFloat()
log("src width = $w")
log("src height = $h")
val scale = bitmap.calcScale(minWidth, minHeight)
log("scale = $scale")
val destW = w / scale
val destH = h / scale
log("dst width = $destW")
log("dst height = $destH")
val result = Bitmap.createScaledBitmap(bitmap, destW.toInt(), destH.toInt(), true)
.rotate(rotate)
val heifWriter = HeifWriter.Builder(targetPath, result.width, result.height, HeifWriter.INPUT_MODE_BITMAP)
.setQuality(quality)
.setMaxImages(1)
.build()
heifWriter.start()
heifWriter.addBitmap(result)
heifWriter.stop(5000)
heifWriter.close()
}
override fun handleFile(context: Context, path: String, outputStream: OutputStream, minWidth: Int, minHeight: Int, quality: Int, rotate: Int, keepExif: Boolean, inSampleSize: Int) {
val tmpFile = TmpFileUtil.createTmpFile(context)
compress(path, minWidth, minHeight, quality, rotate, inSampleSize, tmpFile.absolutePath)
outputStream.write(tmpFile.readBytes())
}
}

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@ -1,10 +0,0 @@
package com.example.flutterimagecompress.logger
import android.util.Log
import com.example.flutterimagecompress.FlutterImageCompressPlugin
fun Any.log(any: Any?) {
if (FlutterImageCompressPlugin.showLog) {
Log.i("flutter_image_compress", any?.toString() ?: "null")
}
}

View file

@ -1,14 +0,0 @@
package com.example.flutterimagecompress.util
import android.content.Context
import java.io.File
import java.util.*
object TmpFileUtil {
fun createTmpFile(context: Context): File {
val string = UUID.randomUUID().toString()
return File(context.cacheDir, string)
}
}

View file

@ -1,34 +0,0 @@
# flutter_image_compress
This Go package implements the host-side of the Flutter [flutter_image_compress](https://github.com/openflutter/flutter_image_compress) plugin.
## Usage
Import as:
```go
import flutter_image_compress "github.com/openflutter/flutter_image_compress/go"
```
Then add the following option to your go-flutter [application options](https://github.com/go-flutter-desktop/go-flutter/wiki/Plugin-info):
```go
flutter.AddPlugin(&flutter_image_compress.FlutterImageCompressPlugin{}),
```
## Support
- [x] fileToFile
- [x] listToList
- [x] listToFile
- [x] minWidth
- [x] minHeight
- [x] rotate
- [x] quality
- [x] jpeg
- [x] png
- [ ] keepExif
- [ ] autoCorrectionAngle

View file

@ -1,63 +0,0 @@
package flutter_image_compress
import (
"image"
"image/color"
_ "image/gif"
_ "image/jpeg"
_ "image/png"
"io"
"os"
"github.com/disintegration/imaging"
"github.com/nfnt/resize"
_ "golang.org/x/image/webp"
)
// Rotate image
func RotateImage(img image.Image, degree int) image.Image {
return imaging.Rotate(img, float64(degree), color.Transparent)
}
// Scale image
func ScaleImage(reader io.Reader, minWidth, minHeight int32) (img image.Image, err error) {
img, _, err = image.Decode(reader)
if err != nil {
return
}
w, h := calcTargetSize(img, minHeight, minHeight)
img = resize.Resize(w, h, img, resize.Lanczos3)
return
}
func calcTargetSize(img image.Image, minWidth, minHeight int32) (uint, uint) {
srcW := float32(img.Bounds().Size().X)
srcH := float32(img.Bounds().Size().Y)
scaleW := srcW / float32(minWidth)
scaleH := srcH / float32(minHeight)
scale := scaleW
if scaleH < scaleW {
scale = scaleH
}
if scale < 1 {
scale = 1
}
return uint(srcW / scale), uint(srcH / scale)
}
func pathExists(path string) (bool, error) {
_, err := os.Stat(path)
if err == nil {
return true, nil
}
if os.IsNotExist(err) {
return false, nil
}
return false, err
}

View file

@ -1,14 +0,0 @@
The `dlib` folder is used for the plugins which use `cgo`.
If your go-flutter plugin dose't use `cgo`, just ignore this file and the `dlib` folder.
When you need to link prebuild dynamic libraries and frameworks,
you should copy the prebuild dynamic libraries and frameworks to `dlib`/${os} folder.
`hover plugins get` copy this files to path `./go/build/intermediates` of go-flutter app project.
`hover run` copy files from `./go/build/intermediates/${targetOS}` to `./go/build/outputs/${targetOS}`.
And `-L{./go/build/outputs/${targetOS}}` is appended to `cgoLdflags` automatically.
Also `-F{./go/build/outputs/${targetOS}}` is appended to `cgoLdflags` on Mac OS
Attention: `hover` can't resolve the conflicts
if two different go-flutter plugins have file with the same name in there dlib folder

View file

@ -1,5 +0,0 @@
module github.com/openflutter/flutter_image_compress/go
go 1.13
require github.com/go-flutter-desktop/go-flutter v0.40.1

View file

@ -1,42 +0,0 @@
github.com/Xuanwo/go-locale v0.2.0 h1:1N8SGG2VNpLl6VVa8ueZm3Nm+dxvk8ffY9aviKHl4IE=
github.com/Xuanwo/go-locale v0.2.0/go.mod h1:6qbT9M726OJgyiGZro2YwPmx63wQzlH+VvtjJWQoftw=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/go-flutter-desktop/go-flutter v0.40.1 h1:4GC+9sc4jLxFoqLcHIGBNHdcF99ABC30g2q9iIQ+100=
github.com/go-flutter-desktop/go-flutter v0.40.1/go.mod h1:VNXgUO61Nxa9y/5jHQJFFuWVK9oNQF56MPKPUgQXwlU=
github.com/go-gl/gl v0.0.0-20190320180904-bf2b1f2f34d7 h1:SCYMcCJ89LjRGwEa0tRluNRiMjZHalQZrVrvTbPh+qw=
github.com/go-gl/gl v0.0.0-20190320180904-bf2b1f2f34d7/go.mod h1:482civXOzJJCPzJ4ZOX/pwvXBWSnzD4OKMdH4ClKGbk=
github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200420212212-258d9bec320e h1:8ywu4ELC/6owgOZlZx75CyYS5AYwUT2L+hzPModKvag=
github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200420212212-258d9bec320e/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
github.com/go-ole/go-ole v1.2.4 h1:nNBDSCOigTSiarFpYE9J/KtEA1IOW4CNeqT9TQDqCxI=
github.com/go-ole/go-ole v1.2.4/go.mod h1:XCwSNxSkXRo4vlyPy93sltvi/qJq0jqQhjqQNIwKuxM=
github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1 h1:EGx4pi6eqNxGaHF6qqu48+N2wcFQ5qg5FXgOdqsJ5d8=
github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
github.com/jtolds/gls v4.20.0+incompatible h1:xdiiI2gbIgH/gLH7ADydsJ1uDOEzR8yvV7C0MuV77Wo=
github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d h1:zE9ykElWQ6/NYmHa3jpm/yHnI4xSofP+UP6SpjHcSeM=
github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
github.com/smartystreets/goconvey v1.6.4 h1:fv0U8FUIMPNf1L9lnHLvLhgicrIVChEkdzIKYqbNC9s=
github.com/smartystreets/goconvey v1.6.4/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9QV7WQ/tjFTllLA=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
github.com/stretchr/testify v1.5.1 h1:nOGnQDM7FYENwehXlg/kFVnos3rEvtKTjRvOWSzb6H4=
github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20190328211700-ab21143f2384/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.4 h1:/eiJrUcujPVeJ3xlSWaiNi3uSVmDGBK1pDHUHAnao1I=
gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

View file

@ -1,13 +0,0 @@
package main
// DO NOT EDIT, this file is generated by hover at compile-time for the flutter_image_compress plugin.
import (
flutter "github.com/go-flutter-desktop/go-flutter"
flutter_image_compress "github.com/openflutter/flutter_image_compress/go"
)
func init() {
// Only the init function can be tweaked by plugin maker.
options = append(options, flutter.AddPlugin(&flutter_image_compress.FlutterImageCompressPlugin{}))
}

View file

@ -1,189 +0,0 @@
package flutter_image_compress
import (
"bytes"
"fmt"
"image"
"image/jpeg"
"image/png"
"io"
"os"
"github.com/chai2010/webp"
flutter "github.com/go-flutter-desktop/go-flutter"
"github.com/go-flutter-desktop/go-flutter/plugin"
)
const (
channelName = "flutter_image_compress"
methodListToList = `compressWithList`
methodListToFile = `compressWithFile`
methodFileToFile = `compressWithFileAndGetFile`
methodLog = `showLog`
methodSystemVersion = `getSystemVersion`
)
// FlutterImageCompressPlugin implements flutter.Plugin and handles method.
type FlutterImageCompressPlugin struct{}
var _ flutter.Plugin = &FlutterImageCompressPlugin{} // compile-time type check
// InitPlugin initializes the plugin.
func (p *FlutterImageCompressPlugin) InitPlugin(messenger plugin.BinaryMessenger) error {
channel := plugin.NewMethodChannel(messenger, channelName, plugin.StandardMethodCodec{})
channel.HandleFunc(methodListToList, listToList)
channel.HandleFunc(methodListToFile, listToFile)
channel.HandleFunc(methodFileToFile, fileToFile)
channel.HandleFunc(methodLog, showLog)
channel.HandleFunc(methodSystemVersion, getSystemVersion)
return nil
}
func showLog(arguments interface{}) (reply interface{}, err error) {
return nil, nil
}
func encode(targetType int32, img image.Image, quality int, writer io.Writer) error {
switch targetType {
case 0:
return jpeg.Encode(writer, img, &jpeg.Options{Quality: quality})
case 1:
return png.Encode(writer, img)
case 2:
return fmt.Errorf("Not support heic")
case 3:
return webp.Encode(writer, img, &webp.Options{
Lossless: false,
Quality: float32(quality),
Exact: false,
})
}
return fmt.Errorf("Not support format")
}
func listToList(arguments interface{}) (reply interface{}, err error) {
args := arguments.([]interface{})
img := args[0].([]uint8)
minWidth := args[1].(int32)
minHeight := args[2].(int32)
quality := int(args[3].(int32))
rotate := int(args[4].(int32))
targetType := args[6].(int32)
reader := bytes.NewReader(img)
scaled, err := ScaleImage(reader, minWidth, minHeight)
if err != nil {
return
}
scaled = RotateImage(scaled, rotate)
writer := bytes.Buffer{}
err = encode(targetType, scaled, quality, &writer)
if err != nil {
return
}
reply = writer.Bytes()
return
}
func listToFile(arguments interface{}) (reply interface{}, err error) {
args := arguments.([]interface{})
srcPath := args[0].(string)
minWidth := args[1].(int32)
minHeight := args[2].(int32)
quality := int(args[3].(int32))
rotate := int(args[4].(int32))
targetType := args[6].(int32)
reader, err := os.Open(srcPath)
if err != nil {
return
}
scaled, err := ScaleImage(reader, minWidth, minHeight)
if err != nil {
return
}
scaled = RotateImage(scaled, rotate)
writer := bytes.Buffer{}
err = encode(targetType, scaled, quality, &writer)
if err != nil {
return
}
reply = writer.Bytes()
return
}
func fileToFile(arguments interface{}) (reply interface{}, err error) {
args := arguments.([]interface{})
srcPath := args[0].(string)
minWidth := args[1].(int32)
minHeight := args[2].(int32)
quality := int(args[3].(int32))
targetPath := args[4].(string)
rotate := int(args[5].(int32))
targetType := args[7].(int32)
reader, err := os.Open(srcPath)
if err != nil {
return
}
scaled, err := ScaleImage(reader, minWidth, minHeight)
if err != nil {
return
}
scaled = RotateImage(scaled, rotate)
exists, err := pathExists(targetPath)
if err != nil {
return
}
if exists {
_ = os.Remove(targetPath)
}
writer, _ := os.OpenFile(targetPath, os.O_RDWR|os.O_CREATE, 777)
err = encode(targetType, scaled, quality, writer)
if err != nil {
return
}
reply = targetPath
return
}
func getSystemVersion(arguments interface{}) (reply interface{}, err error) {
args := arguments.([]interface{})
showAllArgsType(args)
panic("not implements")
}
func typeof(v interface{}) string {
return fmt.Sprintf("%T", v)
}
func showAllArgsType(args []interface{}) {
for i, v := range args {
fmt.Printf("%d, type = %s \n", i, typeof(v))
}
}

View file

@ -1,36 +0,0 @@
.idea/
.vagrant/
.sconsign.dblite
.svn/
.DS_Store
*.swp
profile
DerivedData/
build/
GeneratedPluginRegistrant.h
GeneratedPluginRegistrant.m
.generated/
*.pbxuser
*.mode1v3
*.mode2v3
*.perspectivev3
!default.pbxuser
!default.mode1v3
!default.mode2v3
!default.perspectivev3
xcuserdata
*.moved-aside
*.pyc
*sync/
Icon?
.tags*
/Flutter/Generated.xcconfig

View file

@ -1,12 +0,0 @@
//
// Created by cjl on 2018/9/8.
//
#import <Foundation/Foundation.h>
#import <Flutter/Flutter.h>
@interface CompressFileHandler : NSObject
- (void)handleMethodCall:(FlutterMethodCall *)call result:(FlutterResult)result;
- (void)handleCompressFileToFile:(FlutterMethodCall *)call result:(FlutterResult)result;
@end

View file

@ -1,147 +0,0 @@
//
// Created by cjl on 2018/9/8.
//
#import "CompressFileHandler.h"
#import "CompressHandler.h"
#import "SYMetadata.h"
#import <SDWebImageWebPCoder/SDWebImageWebPCoder.h>
#import <SDWebImage/SDWebImage.h>
@implementation CompressFileHandler {
}
- (void)handleMethodCall:(FlutterMethodCall *)call result:(FlutterResult)result {
NSArray *args = call.arguments;
NSString *path = args[0];
int minWidth = [args[1] intValue];
int minHeight = [args[2] intValue];
int quality = [args[3] intValue];
int rotate = [args[4] intValue];
int formatType = [args[6] intValue];
BOOL keepExif = [args[7] boolValue];
UIImage *img;
NSURL *imageUrl = [NSURL fileURLWithPath:path];
NSData *nsdata = [NSData dataWithContentsOfURL:imageUrl];
NSString *imageType = [self mimeTypeByGuessingFromData:nsdata];
// NSLog(@" nsdata length: %@", imageType);
SDImageWebPCoder *webPCoder = [SDImageWebPCoder sharedCoder];
// [[SDImageCodersManager sharedManager] addCoder:webPCoder];
if(imageType == @"image/webp") {
img = [[SDImageWebPCoder sharedCoder] decodedImageWithData:nsdata options:nil];
} else {
img = [UIImage imageWithData:nsdata];
}
NSData *data = [CompressHandler compressWithUIImage:img minWidth:minWidth minHeight:minHeight quality:quality rotate:rotate format:formatType];
if (keepExif) {
SYMetadata *metadata = [SYMetadata metadataWithFileURL:[NSURL fileURLWithPath:path]];
metadata.orientation = @0;
data = [SYMetadata dataWithImageData:data andMetadata:metadata];
}
result([FlutterStandardTypedData typedDataWithBytes:data]);
}
- (void)handleCompressFileToFile:(FlutterMethodCall *)call result:(FlutterResult)result {
NSArray *args = call.arguments;
NSString *path = args[0];
int minWidth = [args[1] intValue];
int minHeight = [args[2] intValue];
int quality = [args[3] intValue];
NSString *targetPath = args[4];
int rotate = [args[5] intValue];
int formatType = [args[7] intValue];
BOOL keepExif = [args[8] boolValue];
UIImage *img;
NSURL *imageUrl = [NSURL fileURLWithPath:path];
NSData *nsdata = [NSData dataWithContentsOfURL:imageUrl];
NSString *imageType = [self mimeTypeByGuessingFromData:nsdata];
// NSLog(@" nsdata length: %@", imageType);
SDImageWebPCoder *webPCoder = [SDImageWebPCoder sharedCoder];
// [[SDImageCodersManager sharedManager] addCoder:webPCoder];
if(imageType == @"image/webp") {
img = [[SDImageWebPCoder sharedCoder] decodedImageWithData:nsdata options:nil];
} else {
img = [UIImage imageWithData:nsdata];
}
NSData *data = [CompressHandler compressDataWithUIImage:img minWidth:minWidth minHeight:minHeight quality:quality rotate:rotate format:formatType];
if (keepExif) {
SYMetadata *metadata = [SYMetadata metadataWithFileURL:[NSURL fileURLWithPath:path]];
metadata.orientation = @0;
data = [SYMetadata dataWithImageData:data andMetadata:metadata];
}
[data writeToURL:[[NSURL alloc] initFileURLWithPath:targetPath] atomically:YES];
result(targetPath);
}
- (NSString *)mimeTypeByGuessingFromData:(NSData *)data {
char bytes[12] = {0};
[data getBytes:&bytes length:12];
const char bmp[2] = {'B', 'M'};
const char gif[3] = {'G', 'I', 'F'};
const char swf[3] = {'F', 'W', 'S'};
const char swc[3] = {'C', 'W', 'S'};
const char jpg[3] = {0xff, 0xd8, 0xff};
const char psd[4] = {'8', 'B', 'P', 'S'};
const char iff[4] = {'F', 'O', 'R', 'M'};
const char webp[4] = {'R', 'I', 'F', 'F'};
const char ico[4] = {0x00, 0x00, 0x01, 0x00};
const char tif_ii[4] = {'I','I', 0x2A, 0x00};
const char tif_mm[4] = {'M','M', 0x00, 0x2A};
const char png[8] = {0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a};
const char jp2[12] = {0x00, 0x00, 0x00, 0x0c, 0x6a, 0x50, 0x20, 0x20, 0x0d, 0x0a, 0x87, 0x0a};
if (!memcmp(bytes, bmp, 2)) {
return @"image/x-ms-bmp";
} else if (!memcmp(bytes, gif, 3)) {
return @"image/gif";
} else if (!memcmp(bytes, jpg, 3)) {
return @"image/jpeg";
} else if (!memcmp(bytes, psd, 4)) {
return @"image/psd";
} else if (!memcmp(bytes, iff, 4)) {
return @"image/iff";
} else if (!memcmp(bytes, webp, 4)) {
return @"image/webp";
} else if (!memcmp(bytes, ico, 4)) {
return @"image/vnd.microsoft.icon";
} else if (!memcmp(bytes, tif_ii, 4) || !memcmp(bytes, tif_mm, 4)) {
return @"image/tiff";
} else if (!memcmp(bytes, png, 8)) {
return @"image/png";
} else if (!memcmp(bytes, jp2, 12)) {
return @"image/jp2";
}
return @"application/octet-stream"; // default type
}
@end

View file

@ -1,17 +0,0 @@
//
// Created by cjl on 2018/9/8.
//
#import <Foundation/Foundation.h>
@interface CompressHandler : NSObject
+ (NSData *)compressWithData:(NSData *)data minWidth:(int)minWidth minHeight:(int)minHeight quality:(int)quality
rotate:(int)rotate format:(int)format;
+ (NSData *)compressWithUIImage:(UIImage *)image minWidth:(int)minWidth minHeight:(int)minHeight quality:(int)quality
rotate:(int)rotate format:(int)format;
+ (NSData *)compressDataWithUIImage:(UIImage *)image minWidth:(int)minWidth minHeight:(int)minHeight
quality:(int)quality rotate:(int)rotate format:(int)format;
@end

View file

@ -1,83 +0,0 @@
//
// Created by cjl on 2018/9/8.
//
#import "CompressHandler.h"
#import "UIImage+scale.h"
#import "FlutterImageCompressPlugin.h"
#import "SDImageWebPCoder.h"
@implementation CompressHandler {
}
+ (NSData *)compressWithData:(NSData *)data minWidth:(int)minWidth minHeight:(int)minHeight quality:(int)quality
rotate:(int)rotate format:(int)format {
UIImage *img = [[UIImage alloc] initWithData:data];
return [CompressHandler compressWithUIImage:img minWidth:minWidth minHeight:minHeight quality:quality rotate:rotate format:format];
}
+ (NSData *)compressWithUIImage:(UIImage *)image minWidth:(int)minWidth minHeight:(int)minHeight quality:(int)quality
rotate:(int)rotate format:(int)format {
if([FlutterImageCompressPlugin showLog]){
NSLog(@"width = %.0f",[image size].width);
NSLog(@"height = %.0f",[image size].height);
NSLog(@"minWidth = %d",minWidth);
NSLog(@"minHeight = %d",minHeight);
NSLog(@"format = %d", format);
}
image = [image scaleWithMinWidth:minWidth minHeight:minHeight];
if(rotate % 360 != 0){
image = [image rotate: rotate];
}
NSData *resultData = [self compressDataWithImage:image quality:quality format:format];
return resultData;
}
+ (NSData *)compressDataWithUIImage:(UIImage *)image minWidth:(int)minWidth minHeight:(int)minHeight
quality:(int)quality rotate:(int)rotate format:(int)format {
image = [image scaleWithMinWidth:minWidth minHeight:minHeight];
if(rotate % 360 != 0){
image = [image rotate: rotate];
}
return [self compressDataWithImage:image quality:quality format:format];
}
+ (NSData *)compressDataWithImage:(UIImage *)image quality:(float)quality format:(int)format {
NSData *data;
if (format == 2) { // heic
CIImage *ciImage = [CIImage imageWithCGImage:image.CGImage];
CIContext *ciContext = [[CIContext alloc]initWithOptions:nil];
NSString *tmpDir = NSTemporaryDirectory();
double time = [[NSDate alloc]init].timeIntervalSince1970;
NSString *target = [NSString stringWithFormat:@"%@%.0f.heic",tmpDir, time * 1000];
NSURL *url = [NSURL fileURLWithPath:target];
NSMutableDictionary *options = [NSMutableDictionary new];
NSString *qualityKey = (__bridge NSString *)kCGImageDestinationLossyCompressionQuality;
// CIImageRepresentationOption
[options setObject:@(quality / 100) forKey: qualityKey];
if (@available(iOS 11.0, *)) {
[ciContext writeHEIFRepresentationOfImage:ciImage toURL:url format: kCIFormatARGB8 colorSpace: ciImage.colorSpace options:options error:nil];
data = [NSData dataWithContentsOfURL:url];
} else {
// Fallback on earlier versions
data = nil;
}
} else if(format == 3){ // webp
/* SDImageCoderOptions *option = @{SDImageCoderEncodeCompressionQuality: @(quality / 100)};
data = [[SDImageWebPCoder sharedCoder]encodedDataWithImage:image format:SDImageFormatWebP options:option]; */
} else if(format == 1){ // png
data = UIImagePNGRepresentation(image);
}else { // 0 or other is jpeg
data = UIImageJPEGRepresentation(image, (CGFloat) quality / 100);
}
return data;
}
@end

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@ -1,13 +0,0 @@
//
// CompressListHandler.h
// flutter_image_compress
//
// Created by cjl on 2018/9/8.
//
#import <Foundation/Foundation.h>
@interface CompressListHandler : NSObject
- (void)handleMethodCall:(FlutterMethodCall *)call result:(FlutterResult)result;
@end

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//
// CompressListHandler.m
// flutter_image_compress
//
// Created by cjl on 2018/9/8.
//
#import <Flutter/Flutter.h>
#import "CompressListHandler.h"
#import "CompressHandler.h"
#import "SYMetadata.h"
@implementation CompressListHandler
- (void)handleMethodCall:(FlutterMethodCall *)call result:(FlutterResult)result {
NSArray *args = call.arguments;
FlutterStandardTypedData *list = args[0];
int minWidth = [args[1] intValue];
int minHeight = [args[2] intValue];
int quality = [args[3] intValue];
int rotate = [args[4] intValue];
int formatType = [args[6] intValue];
BOOL keepExif = [args[7] boolValue];
NSData *data = [list data];
NSData *compressedData = [CompressHandler compressWithData:data minWidth:minWidth minHeight:minHeight quality:quality rotate:rotate format:formatType];
if (keepExif) {
SYMetadata *metadata = [SYMetadata metadataWithImageData:data];
metadata.orientation = @0;
compressedData = [SYMetadata dataWithImageData:compressedData andMetadata:metadata];
}
result([FlutterStandardTypedData typedDataWithBytes:compressedData]);
}
@end

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#import <Flutter/Flutter.h>
@interface FlutterImageCompressPlugin : NSObject<FlutterPlugin>
+(BOOL) showLog;
@end

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#import "FlutterImageCompressPlugin.h"
#import "CompressListHandler.h"
#import "CompressFileHandler.h"
BOOL showLog = false;
@implementation FlutterImageCompressPlugin
static dispatch_queue_t serial_queue;
+ (void)registerWithRegistrar:(NSObject <FlutterPluginRegistrar> *)registrar {
serial_queue = dispatch_get_global_queue(0, 0);
FlutterMethodChannel *channel = [FlutterMethodChannel
methodChannelWithName:@"flutter_image_compress"
binaryMessenger:[registrar messenger]];
FlutterImageCompressPlugin *instance = [[FlutterImageCompressPlugin alloc] init];
[registrar addMethodCallDelegate:instance channel:channel];
}
- (void)handleMethodCall:(FlutterMethodCall *)call result:(FlutterResult)result {
dispatch_async(serial_queue, ^{
if ([call.method isEqualToString:@"compressWithList"]) {
CompressListHandler *handler = [[CompressListHandler alloc] init];
[handler handleMethodCall:call result:result];
} else if ([@"compressWithFile" isEqualToString:call.method]) {
CompressFileHandler *handler = [[CompressFileHandler alloc] init];
[handler handleMethodCall:call result:result];
} else if ([@"compressWithFileAndGetFile" isEqualToString:call.method]) {
CompressFileHandler *handler = [[CompressFileHandler alloc] init];
[handler handleCompressFileToFile:call result:result];
} else if ([@"showLog" isEqualToString:call.method]) {
[self setShowLog:[call arguments]];
result(@1);
} else if([@"getSystemVersion" isEqualToString:call.method]) {
NSString *systemVersion = [[UIDevice currentDevice] systemVersion];
result(systemVersion);
} else {
result(FlutterMethodNotImplemented);
}
});
}
+ (BOOL)showLog{
return showLog;
}
- (void)setShowLog:(BOOL)log{
showLog = log;
}
@end

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//
// NSDictionary+SY.h
// SYPictureMetadataExample
//
// Created by Stanislas Chevallier on 03/02/2017.
// Copyright © 2017 Syan. All rights reserved.
//
#import <Foundation/Foundation.h>
@interface NSDictionary (SY)
+ (NSDictionary *)sy_differencesFrom:(NSDictionary *)dictionaryOld
to:(NSDictionary *)dictionaryNew
includeValuesInDiff:(BOOL)includeValuesInDiff;
- (NSArray <NSString *> *)sy_allKeypaths;
@end

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//
// NSDictionary+SY.m
// SYPictureMetadataExample
//
// Created by Stanislas Chevallier on 03/02/2017.
// Copyright © 2017 Syan. All rights reserved.
//
#import "NSDictionary+SY.h"
@implementation NSDictionary (SY)
+ (NSDictionary *)sy_differencesFrom:(NSDictionary *)dictionaryOld
to:(NSDictionary *)dictionaryNew
includeValuesInDiff:(BOOL)includeValuesInDiff;
{
NSString *formatAdded = (includeValuesInDiff ? @"Added: %@" : @"Added" );
NSString *formatUpdated = (includeValuesInDiff ? @"Updated: %@ -> %@" : @"Updated");
NSString *formatRemoved = (includeValuesInDiff ? @"Removed: %@" : @"Removed");
NSMutableSet *allKeys = [NSMutableSet set];
[allKeys addObjectsFromArray:dictionaryOld.allKeys];
[allKeys addObjectsFromArray:dictionaryNew.allKeys];
NSMutableDictionary *diffs = [[NSMutableDictionary alloc] init];
for (id key in allKeys)
{
id valueOld = dictionaryOld[key];
id valueNew = dictionaryNew[key];
if (valueOld && valueNew && [valueOld isEqual:valueNew])
continue;
BOOL oldIsNilOrDic = !valueOld || [valueOld isKindOfClass:[NSDictionary class]];
BOOL newIsNilOrDic = !valueNew || [valueNew isKindOfClass:[NSDictionary class]];
if (oldIsNilOrDic && newIsNilOrDic)
{
NSDictionary *subDiffs = [self sy_differencesFrom:valueOld
to:valueNew
includeValuesInDiff:includeValuesInDiff];
[diffs setObject:subDiffs forKey:key];
continue;
}
NSString *valueOldString = [valueOld description];
NSString *valueNewString = [valueNew description];
if ([valueOld isKindOfClass:[NSArray class]])
valueOldString = [valueOld componentsJoinedByString:@", "];
if ([valueNew isKindOfClass:[NSArray class]])
valueNewString = [valueNew componentsJoinedByString:@", "];
if ( valueOld && !valueNew)
{
[diffs setObject:[NSString stringWithFormat:formatRemoved, valueOldString]
forKey:key];
continue;
}
if (!valueOld && valueNew)
{
[diffs setObject:[NSString stringWithFormat:formatAdded, valueNewString]
forKey:key];
continue;
}
[diffs setObject:[NSString stringWithFormat:formatUpdated, valueOldString, valueNewString]
forKey:key];
}
return [diffs copy];
}
- (NSArray <NSString *> *)sy_allKeypaths
{
NSMutableArray <NSString *> *keypaths = [NSMutableArray array];
for (id key in self.allKeys)
{
NSString *keyString = [key description];
[keypaths addObject:keyString];
id value = self[key];
if ([value isKindOfClass:[NSDictionary class]])
{
for (NSString *subKeypath in [(NSDictionary *)value sy_allKeypaths])
[keypaths addObject:[@[keyString, subKeypath] componentsJoinedByString:@"."]];
}
}
return [keypaths copy];
}
@end

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//
// SYMetadata.h
// SYPictureMetadataExample
//
// Created by Stan Chevallier on 12/13/12.
// Copyright (c) 2012 Syan. All rights reserved.
//
#import <Foundation/Foundation.h>
#import "SYMetadataTIFF.h"
#import "SYMetadataGIF.h"
#import "SYMetadataJFIF.h"
#import "SYMetadataExif.h"
#import "SYMetadataPNG.h"
#import "SYMetadataIPTC.h"
#import "SYMetadataGPS.h"
#import "SYMetadataRaw.h"
#import "SYMetadataCIFF.h"
#import "SYMetadataMakerCanon.h"
#import "SYMetadataMakerNikon.h"
#import "SYMetadataMakerMinolta.h"
#import "SYMetadataMakerFuji.h"
#import "SYMetadataMakerOlympus.h"
#import "SYMetadataMakerPentax.h"
#import "SYMetadata8BIM.h"
#import "SYMetadataDNG.h"
#import "SYMetadataExifAux.h"
// http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/index.html
// http://www.exiv2.org/tags.html
@class ALAsset;
@interface SYMetadata : SYMetadataBase
@property SYMETADATA_PROPERTY_COPY NSDictionary *originalDictionary;
@property SYMETADATA_PROPERTY_STRONG SYMetadataTIFF *metadataTIFF;
@property SYMETADATA_PROPERTY_STRONG SYMetadataExif *metadataExif;
@property SYMETADATA_PROPERTY_STRONG SYMetadataGIF *metadataGIF;
@property SYMETADATA_PROPERTY_STRONG SYMetadataJFIF *metadataJFIF;
@property SYMETADATA_PROPERTY_STRONG SYMetadataPNG *metadataPNG;
@property SYMETADATA_PROPERTY_STRONG SYMetadataIPTC *metadataIPTC;
@property SYMETADATA_PROPERTY_STRONG SYMetadataGPS *metadataGPS;
@property SYMETADATA_PROPERTY_STRONG SYMetadataRaw *metadataRaw;
@property SYMETADATA_PROPERTY_STRONG SYMetadataCIFF *metadataCIFF;
@property SYMETADATA_PROPERTY_STRONG SYMetadataMakerCanon *metadataMakerCanon;
@property SYMETADATA_PROPERTY_STRONG SYMetadataMakerNikon *metadataMakerNikon;
@property SYMETADATA_PROPERTY_STRONG SYMetadataMakerMinolta *metadataMakerMinolta;
@property SYMETADATA_PROPERTY_STRONG SYMetadataMakerFuji *metadataMakerFuji;
@property SYMETADATA_PROPERTY_STRONG SYMetadataMakerOlympus *metadataMakerOlympus;
@property SYMETADATA_PROPERTY_STRONG SYMetadataMakerPentax *metadataMakerPentax;
@property SYMETADATA_PROPERTY_STRONG SYMetadata8BIM *metadata8BIM;
@property SYMETADATA_PROPERTY_STRONG SYMetadataDNG *metadataDNG;
@property SYMETADATA_PROPERTY_STRONG SYMetadataExifAux *metadataExifAux;
// we don't know how to parse those, so we juste give access to them
@property SYMETADATA_PROPERTY_COPY NSDictionary *metadataApple;
@property SYMETADATA_PROPERTY_COPY NSDictionary *metadataPictureStyle;
@property (nonatomic, copy, readonly) NSNumber *fileSize;
@property (nonatomic, copy, readonly) NSNumber *pixelHeight;
@property (nonatomic, copy, readonly) NSNumber *pixelWidth;
@property (nonatomic, copy, readonly) NSNumber *dpiHeight;
@property (nonatomic, copy, readonly) NSNumber *dpiWidth;
@property (nonatomic, copy, readonly) NSNumber *depth;
@property SYMETADATA_PROPERTY_COPY NSNumber *orientation;
@property (nonatomic, copy, readonly) NSNumber *isFloat;
@property (nonatomic, copy, readonly) NSNumber *isIndexed;
@property (nonatomic, copy, readonly) NSNumber *hasAlpha;
@property (nonatomic, copy, readonly) NSString *colorModel;
@property (nonatomic, copy, readonly) NSString *profileName;
+ (instancetype)metadataWithDictionary:(NSDictionary *)dictionary;
+ (instancetype)metadataWithAsset:(ALAsset *)asset __TVOS_PROHIBITED;
+ (instancetype)metadataWithAssetURL:(NSURL *)assetURL __TVOS_PROHIBITED;
+ (instancetype)metadataWithFileURL:(NSURL *)fileURL;
+ (instancetype)metadataWithImageData:(NSData *)imageData;
+ (NSDictionary *)dictionaryWithAssetURL:(NSURL *)assetURL __TVOS_PROHIBITED;
+ (NSData *)dataWithImageData:(NSData *)imageData andMetadata:(SYMetadata *)metadata;
- (NSDictionary *)differencesFromOriginalMetadataToModel;
@end

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//
// SYMetadata.m
// SYPictureMetadataExample
//
// Created by Stan Chevallier on 12/13/12.
// Copyright (c) 2012 Syan. All rights reserved.
//
#import <ImageIO/ImageIO.h>
#import "SYMetadata.h"
#import "NSDictionary+SY.h"
#if !TARGET_OS_TV
#import <AssetsLibrary/AssetsLibrary.h>
#endif
#define SYKeyForMetadata(name) NSStringFromSelector(@selector(metadata##name))
#define SYDictionaryForMetadata(name) SYPaste(SYPaste(kCGImageProperty,name),Dictionary)
#define SYClassForMetadata(name) SYPaste(SYMetadata,name)
#define SYMappingPptyToClass(name) SYKeyForMetadata(name):SYClassForMetadata(name).class
#define SYMappingPptyToKeyPath(name) SYKeyForMetadata(name):(__bridge NSString *)SYDictionaryForMetadata(name)
@interface SYMetadata (Private)
- (void)refresh:(BOOL)force;
@end
@implementation SYMetadata
#pragma mark - Initialization
+ (instancetype)metadataWithDictionary:(NSDictionary *)dictionary
{
if (!dictionary)
return nil;
NSError *error;
SYMetadata *instance = [MTLJSONAdapter modelOfClass:self.class fromJSONDictionary:dictionary error:&error];
if (instance)
instance->_originalDictionary = dictionary;
if (error)
NSLog(@"--> Error creating %@ object: %@", NSStringFromClass(self.class), error);
return instance;
}
+ (instancetype)metadataWithAsset:(ALAsset *)asset
{
#if !TARGET_OS_TV
ALAssetRepresentation *representation = [asset defaultRepresentation];
return [self metadataWithDictionary:[representation metadata]];
#else
return nil;
#endif
}
+ (instancetype)metadataWithAssetURL:(NSURL *)assetURL
{
NSDictionary *dictionary = [self dictionaryWithAssetURL:assetURL];
return [self metadataWithDictionary:dictionary];
}
+ (instancetype)metadataWithFileURL:(NSURL *)fileURL
{
if (!fileURL)
return nil;
CGImageSourceRef source = CGImageSourceCreateWithURL((__bridge CFURLRef)fileURL, NULL);
if (source == NULL)
return nil;
NSDictionary *dictionary;
NSDictionary *options = @{(NSString *)kCGImageSourceShouldCache:@(NO)};
CFDictionaryRef properties = CGImageSourceCopyPropertiesAtIndex(source, 0, (__bridge CFDictionaryRef)options);
if (properties) {
dictionary = (__bridge NSDictionary*)properties;
}
CFRelease(source);
return [self metadataWithDictionary:dictionary];
}
+ (instancetype)metadataWithImageData:(NSData *)imageData
{
if (!imageData.length)
return nil;
CGImageSourceRef source = CGImageSourceCreateWithData((__bridge CFDataRef) imageData, NULL);
if (source == NULL)
return nil;
NSDictionary *dictionary;
NSDictionary *options = @{(NSString *)kCGImageSourceShouldCache:@(NO)};
CFDictionaryRef properties = CGImageSourceCopyPropertiesAtIndex(source, 0, (__bridge CFDictionaryRef)options);
if (properties) {
dictionary = (__bridge NSDictionary*)properties;
}
CFRelease(source);
return [self metadataWithDictionary:dictionary];
}
#pragma mark - Writing
// https://github.com/Nikita2k/SimpleExif/blob/master/Classes/ios/UIImage%2BExif.m
+ (NSData *)dataWithImageData:(NSData *)imageData andMetadata:(SYMetadata *)metadata
{
CGImageSourceRef source = CGImageSourceCreateWithData((__bridge CFDataRef) imageData, NULL);
if (!source) {
NSLog(@"Error: Could not create image source");
return nil;
}
CFStringRef sourceImageType = CGImageSourceGetType(source);
// create a new data object and write the new image into it
NSMutableData *data = [NSMutableData data];
CGImageDestinationRef destination = CGImageDestinationCreateWithData((__bridge CFMutableDataRef)data, sourceImageType, 1, NULL);
if (!destination) {
NSLog(@"Error: Could not create image destination");
CFRelease(source);
return nil;
}
// add the image contained in the image source to the destination, overidding the old metadata with our modified metadata
CGImageDestinationAddImageFromSource(destination, source, 0, (__bridge CFDictionaryRef)metadata.generatedDictionary);
BOOL success = CGImageDestinationFinalize(destination);
if (!success)
NSLog(@"Error: Could not create data from image destination");
CFRelease(destination);
CFRelease(source);
return (success ? data : nil);
}
#pragma mark - Getting metadata
+ (NSDictionary *)dictionaryWithAssetURL:(NSURL *)assetURL
{
#if !TARGET_OS_TV
__block ALAsset *assetAtUrl = nil;
ALAssetsLibrary* library = [[ALAssetsLibrary alloc] init];
dispatch_semaphore_t sema = dispatch_semaphore_create(0);
[library assetForURL:assetURL resultBlock:^(ALAsset *asset) {
assetAtUrl = asset;
dispatch_semaphore_signal(sema);
} failureBlock:^(NSError *error) {
dispatch_semaphore_signal(sema);
}];
dispatch_semaphore_wait(sema, DISPATCH_TIME_FOREVER);
if (!assetAtUrl)
return nil;
ALAssetRepresentation *representation = [assetAtUrl defaultRepresentation];
return [representation metadata];
#else
return nil;
#endif
}
#pragma mark - Mapping
+ (NSDictionary *)JSONKeyPathsByPropertyKey
{
NSMutableDictionary <NSString *, NSString *> *mappings = [NSMutableDictionary dictionary];
[mappings
addEntriesFromDictionary:@{SYMappingPptyToKeyPath(TIFF),
SYMappingPptyToKeyPath(Exif),
SYMappingPptyToKeyPath(GIF),
SYMappingPptyToKeyPath(JFIF),
SYMappingPptyToKeyPath(PNG),
SYMappingPptyToKeyPath(IPTC),
SYMappingPptyToKeyPath(GPS),
SYMappingPptyToKeyPath(Raw),
SYMappingPptyToKeyPath(CIFF),
SYMappingPptyToKeyPath(MakerCanon),
SYMappingPptyToKeyPath(MakerNikon),
SYMappingPptyToKeyPath(MakerMinolta),
SYMappingPptyToKeyPath(MakerFuji),
SYMappingPptyToKeyPath(MakerOlympus),
SYMappingPptyToKeyPath(MakerPentax),
SYMappingPptyToKeyPath(8BIM),
SYMappingPptyToKeyPath(DNG),
SYMappingPptyToKeyPath(ExifAux),
}];
[mappings
addEntriesFromDictionary:@{SYStringSel(fileSize): (NSString *)kCGImagePropertyFileSize,
SYStringSel(pixelHeight): (NSString *)kCGImagePropertyPixelHeight,
SYStringSel(pixelWidth): (NSString *)kCGImagePropertyPixelWidth,
SYStringSel(dpiHeight): (NSString *)kCGImagePropertyDPIHeight,
SYStringSel(dpiWidth): (NSString *)kCGImagePropertyDPIWidth,
SYStringSel(depth): (NSString *)kCGImagePropertyDepth,
SYStringSel(orientation): (NSString *)kCGImagePropertyOrientation,
SYStringSel(isFloat): (NSString *)kCGImagePropertyIsFloat,
SYStringSel(isIndexed): (NSString *)kCGImagePropertyIsIndexed,
SYStringSel(hasAlpha): (NSString *)kCGImagePropertyHasAlpha,
SYStringSel(colorModel): (NSString *)kCGImagePropertyColorModel,
SYStringSel(profileName): (NSString *)kCGImagePropertyProfileName,
SYStringSel(metadataApple): (NSString *)kCGImagePropertyMakerAppleDictionary,
SYStringSel(metadataPictureStyle): (NSString *)kSYImagePropertyPictureStyle,
}];
return [mappings copy];
}
+ (NSValueTransformer *)JSONTransformerForKey:(NSString *)key
{
static dispatch_once_t onceToken;
static NSDictionary <NSString *, Class> *classMappings;
dispatch_once(&onceToken, ^{
classMappings = @{SYMappingPptyToClass(TIFF),
SYMappingPptyToClass(Exif),
SYMappingPptyToClass(GIF),
SYMappingPptyToClass(JFIF),
SYMappingPptyToClass(PNG),
SYMappingPptyToClass(IPTC),
SYMappingPptyToClass(GPS),
SYMappingPptyToClass(Raw),
SYMappingPptyToClass(CIFF),
SYMappingPptyToClass(MakerCanon),
SYMappingPptyToClass(MakerNikon),
SYMappingPptyToClass(MakerMinolta),
SYMappingPptyToClass(MakerFuji),
SYMappingPptyToClass(MakerOlympus),
SYMappingPptyToClass(MakerPentax),
SYMappingPptyToClass(8BIM),
SYMappingPptyToClass(DNG),
SYMappingPptyToClass(ExifAux),
};
});
Class objectClass = classMappings[key];
if (objectClass)
return [NSValueTransformer sy_dictionaryTransformerForModelOfClass:objectClass];
return [super JSONTransformerForKey:key];
}
#pragma mark - Tests
- (NSDictionary *)differencesFromOriginalMetadataToModel
{
return [NSDictionary sy_differencesFrom:self.originalDictionary
to:[self generatedDictionary]
includeValuesInDiff:YES];
}
@end

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//
// SYMetadata8BIM.h
// SYPictureMetadataExample
//
// Created by Stan Chevallier on 12/16/12.
// Copyright (c) 2012 Syan. All rights reserved.
//
#import "SYMetadataBase.h"
@interface SYMetadata8BIM : SYMetadataBase
@property SYMETADATA_PROPERTY_COPY NSArray <NSString *> *layerNames;
@property SYMETADATA_PROPERTY_COPY NSNumber *version;
@end

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@ -1,22 +0,0 @@
//
// SYMetadata8BIM.m
// SYPictureMetadataExample
//
// Created by Stan Chevallier on 12/16/12.
// Copyright (c) 2012 Syan. All rights reserved.
//
#import "SYMetadata8BIM.h"
#import <ImageIO/ImageIO.h>
@implementation SYMetadata8BIM
+ (NSDictionary *)JSONKeyPathsByPropertyKey
{
return @{SYStringSel(layerNames): (NSString *)kCGImageProperty8BIMLayerNames,
SYStringSel(version): (NSString *)kCGImageProperty8BIMVersion,
};
}
@end

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@ -1,42 +0,0 @@
//
// SYMetadataBase.h
// SYPictureMetadataExample
//
// Created by Stan Chevallier on 12/13/12.
// Copyright (c) 2012 Syan. All rights reserved.
//
#import <Foundation/Foundation.h>
#import <Mantle/Mantle.h>
#define SYPaste1(a,b) a##b
#define SYPaste(a,b) SYPaste1(a,b)
#define SYStringSel(sel) NSStringFromSelector(@selector(sel))
// keys not available in public header, but still read by iOS
extern CFStringRef const kSYImagePropertyExifAuxAutoFocusInfo;
extern CFStringRef const kSYImagePropertyExifAuxImageStabilization;
extern CFStringRef const kSYImagePropertyCIFFMaxAperture;
extern CFStringRef const kSYImagePropertyCIFFMinAperture;
extern CFStringRef const kSYImagePropertyCIFFUniqueModelID;
extern CFStringRef const kSYImagePropertyPictureStyle;
// allows to easily switch between read-only and R/W properties
#define SYMETADATA_PROPERTY_COPY (nonatomic, copy)
#define SYMETADATA_PROPERTY_STRONG (nonatomic, strong)
@interface MTLValueTransformer (SY)
+ (instancetype)sy_nonZeroIntegerValueTransformer;
@end
@interface NSValueTransformer (SY)
+ (instancetype)sy_dictionaryTransformerForModelOfClass:(Class)modelClass;
- (Class)sy_dictionaryTransformerModelClass;
@end
@interface SYMetadataBase : MTLModel <MTLJSONSerializing>
- (NSDictionary *)generatedDictionary;
+ (NSArray <NSString *> *)supportedKeys;
@end

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//
// SYMetadataBase.m
// SYPictureMetadataExample
//
// Created by Stan Chevallier on 12/13/12.
// Copyright (c) 2012 Syan. All rights reserved.
//
#import "SYMetadataBase.h"
#import <ImageIO/ImageIO.h>
#import <objc/runtime.h>
#if TARGET_IPHONE_SIMULATOR && __IPHONE_OS_VERSION_MIN_REQUIRED < 90000
// keys needed for simulator < 9.0
//CFStringRef const kCGImagePropertyAPNGDelayTime = CFSTR("DelayTime");
//CFStringRef const kCGImagePropertyAPNGLoopCount = CFSTR("LoopCount");
//CFStringRef const kCGImagePropertyAPNGUnclampedDelayTime = CFSTR("UnclampedDelayTime");
CFStringRef const kCGImagePropertyMakerFujiDictionary = CFSTR("{MakerFuji}");
CFStringRef const kCGImagePropertyMakerMinoltaDictionary = CFSTR("{MakerMinolta}");
CFStringRef const kCGImagePropertyMakerOlympusDictionary = CFSTR("{MakerOlympus}");
CFStringRef const kCGImagePropertyMakerPentaxDictionary = CFSTR("{MakerPentax}");
#endif
#if TARGET_IPHONE_SIMULATOR && __IPHONE_OS_VERSION_MIN_REQUIRED < 100000
// keys needed for simulator < 10.0
CFStringRef const kCGImageProperty8BIMVersion = CFSTR("Version");
#endif
#if !TARGET_IPHONE_SIMULATOR && __IPHONE_OS_VERSION_MIN_REQUIRED < 80000
// keys available since iOS 8+, exported here for < 8.0
CFStringRef const kCGImagePropertyGPSHPositioningError = CFSTR("HPositioningError");
#endif
#if !TARGET_IPHONE_SIMULATOR && __IPHONE_OS_VERSION_MIN_REQUIRED < 90000
// keys available since iOS 9+, exported here for < 9.0
CFStringRef const kCGImagePropertyTIFFTileWidth = CFSTR("TileWidth");
CFStringRef const kCGImagePropertyTIFFTileLength = CFSTR("TileLength");
CFStringRef const kCGImagePropertyPNGCompressionFilter = CFSTR("kCGImagePropertyPNGCompressionFilter");
// keys available since iOS 8+ according to header, but not actually available...
//CFStringRef const kCGImagePropertyAPNGDelayTime = CFSTR("DelayTime");
//CFStringRef const kCGImagePropertyAPNGLoopCount = CFSTR("LoopCount");
//CFStringRef const kCGImagePropertyAPNGUnclampedDelayTime = CFSTR("UnclampedDelayTime");
#endif
#if !TARGET_IPHONE_SIMULATOR && __IPHONE_OS_VERSION_MIN_REQUIRED < 100000
// keys available since iOS 8+ according to header, but not actually available...
CFStringRef const kCGImageProperty8BIMVersion = CFSTR("Version");
// keys available since iOS 10+, exported here for < 10.0
CFStringRef const kCGImagePropertyDNGBlackLevel = CFSTR("BlackLevel");
CFStringRef const kCGImagePropertyDNGWhiteLevel = CFSTR("WhiteLevel");
CFStringRef const kCGImagePropertyDNGCalibrationIlluminant1 = CFSTR("CalibrationIlluminant1");
CFStringRef const kCGImagePropertyDNGCalibrationIlluminant2 = CFSTR("CalibrationIlluminant2");
CFStringRef const kCGImagePropertyDNGColorMatrix1 = CFSTR("ColorMatrix1");
CFStringRef const kCGImagePropertyDNGColorMatrix2 = CFSTR("ColorMatrix2");
CFStringRef const kCGImagePropertyDNGCameraCalibration1 = CFSTR("CameraCalibration1");
CFStringRef const kCGImagePropertyDNGCameraCalibration2 = CFSTR("CameraCalibration2");
CFStringRef const kCGImagePropertyDNGAsShotNeutral = CFSTR("AsShotNeutral");
CFStringRef const kCGImagePropertyDNGAsShotWhiteXY = CFSTR("AsShotWhiteXY");
CFStringRef const kCGImagePropertyDNGBaselineExposure = CFSTR("BaselineExposure");
CFStringRef const kCGImagePropertyDNGBaselineNoise = CFSTR("BaselineNoise");
CFStringRef const kCGImagePropertyDNGBaselineSharpness = CFSTR("BaselineSharpness");
CFStringRef const kCGImagePropertyDNGPrivateData = CFSTR("DNGPrivateData");
CFStringRef const kCGImagePropertyDNGCameraCalibrationSignature = CFSTR("CameraCalibrationSignature");
CFStringRef const kCGImagePropertyDNGProfileCalibrationSignature= CFSTR("ProfileCalibrationSignature");
CFStringRef const kCGImagePropertyDNGNoiseProfile = CFSTR("NoiseProfile");
CFStringRef const kCGImagePropertyDNGWarpRectilinear = CFSTR("WarpRectilinear");
CFStringRef const kCGImagePropertyDNGWarpFisheye = CFSTR("WarpFisheye");
CFStringRef const kCGImagePropertyDNGFixVignetteRadial = CFSTR("FixVignetteRadial");
#endif
// not defined in ImageIO but still read by iOS
CFStringRef const kSYImagePropertyPictureStyle = CFSTR("{PictureStyle}");
CFStringRef const kSYImagePropertyExifAuxAutoFocusInfo = CFSTR("AFInfo");
CFStringRef const kSYImagePropertyExifAuxImageStabilization = CFSTR("ImageStabilization");
CFStringRef const kSYImagePropertyCIFFMaxAperture = CFSTR("MaxAperture");
CFStringRef const kSYImagePropertyCIFFMinAperture = CFSTR("MinAperture");
CFStringRef const kSYImagePropertyCIFFUniqueModelID = CFSTR("UniqueModelID");
@implementation SYMetadataBase
+ (NSDictionary *)JSONKeyPathsByPropertyKey
{
return @{};
}
+ (NSValueTransformer *)JSONTransformerForKey:(NSString *)key
{
// default transformer to prevents NSNull in generated dictionary
return [MTLValueTransformer transformerUsingForwardBlock:^id(id value, BOOL *success, NSError *__autoreleasing *error) {
return value;
} reverseBlock:^id(id value, BOOL *success, NSError *__autoreleasing *error) {
return value;
}];
}
+ (NSArray <NSString *> *)supportedKeys
{
NSMutableArray <NSString *> *keys = [NSMutableArray array];
NSDictionary *mappings = [self JSONKeyPathsByPropertyKey];
for (NSString *key in mappings)
{
[keys addObject:mappings[key]];
NSValueTransformer *transformer = [self JSONTransformerForKey:key];
Class modelClass = [transformer sy_dictionaryTransformerModelClass];
if ([(NSObject *)modelClass respondsToSelector:@selector(supportedKeys)])
{
NSArray <NSString *> *subkeys = [modelClass supportedKeys];
for (NSString *subkey in subkeys)
[keys addObject:[@[mappings[key], subkey] componentsJoinedByString:@"."]];
}
}
return [keys copy];
}
- (NSDictionary *)generatedDictionary
{
NSError *error;
NSMutableDictionary *dictionary = [[MTLJSONAdapter JSONDictionaryFromModel:self error:&error] mutableCopy];
if (error)
NSLog(@"--> Error for class %@: %@", NSStringFromClass(self.class), error);
[dictionary removeObjectsForKeys:[dictionary allKeysForObject:[NSNull null]]];
return [dictionary copy];
}
@end
@implementation MTLValueTransformer (SY)
+ (instancetype)sy_nonZeroIntegerValueTransformer
{
return [MTLValueTransformer transformerUsingForwardBlock:^id(id value, BOOL *success, NSError *__autoreleasing *error) {
return value;
} reverseBlock:^id(id value, BOOL *success, NSError *__autoreleasing *error) {
if ([value integerValue] == 0)
return nil;
return value;
}];
}
@end
@implementation NSValueTransformer (SY)
+ (instancetype)sy_dictionaryTransformerForModelOfClass:(Class)modelClass
{
NSValueTransformer <MTLTransformerErrorHandling> *instance = [MTLJSONAdapter dictionaryTransformerWithModelClass:modelClass];
if (instance)
objc_setAssociatedObject(instance, @selector(sy_dictionaryTransformerModelClass), NSStringFromClass(modelClass), OBJC_ASSOCIATION_COPY);
return instance;
}
- (Class)sy_dictionaryTransformerModelClass
{
NSString *classString = objc_getAssociatedObject(self, @selector(sy_dictionaryTransformerModelClass));
return (classString ? NSClassFromString(classString) : nil);
}
@end

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//
// SYMetadataCIFF.h
// SYPictureMetadataExample
//
// Created by Stan Chevallier on 12/16/12.
// Copyright (c) 2012 Syan. All rights reserved.
//
#import "SYMetadataBase.h"
// https://raw.githubusercontent.com/wiki/drewnoakes/metadata-extractor/docs/CIFFspecV1R04.pdf
@interface SYMetadataCIFF : SYMetadataBase
@property SYMETADATA_PROPERTY_COPY NSString *descr;
@property SYMETADATA_PROPERTY_COPY NSString *firmware;
@property SYMETADATA_PROPERTY_COPY NSString *ownerName;
@property SYMETADATA_PROPERTY_COPY NSString *imageName;
@property SYMETADATA_PROPERTY_COPY NSString *imageFileName;
@property SYMETADATA_PROPERTY_COPY NSNumber *releaseMethod;
@property SYMETADATA_PROPERTY_COPY NSNumber *releaseTiming;
@property SYMETADATA_PROPERTY_COPY NSNumber *recordID;
@property SYMETADATA_PROPERTY_COPY NSNumber *selfTimingTime;
@property SYMETADATA_PROPERTY_COPY NSNumber *cameraSerialNumber;
@property SYMETADATA_PROPERTY_COPY NSNumber *imageSerialNumber;
@property SYMETADATA_PROPERTY_COPY NSNumber *continuousDrive;
@property SYMETADATA_PROPERTY_COPY NSNumber *focusMode;
@property SYMETADATA_PROPERTY_COPY NSNumber *meteringMode;
@property SYMETADATA_PROPERTY_COPY NSNumber *shootingMode;
@property SYMETADATA_PROPERTY_COPY NSString *lensModel;
@property SYMETADATA_PROPERTY_COPY NSNumber *lensMaxMM;
@property SYMETADATA_PROPERTY_COPY NSNumber *lensMinMM;
@property SYMETADATA_PROPERTY_COPY NSNumber *whiteBalanceIndex;
@property SYMETADATA_PROPERTY_COPY NSNumber *flashExposureComp;
@property SYMETADATA_PROPERTY_COPY NSNumber *measuredEV;
@property SYMETADATA_PROPERTY_COPY NSNumber *uniqueModelID;
@property SYMETADATA_PROPERTY_COPY NSNumber *maxAperture;
@property SYMETADATA_PROPERTY_COPY NSNumber *minAperture;
@end

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//
// SYMetadataCIFF.m
// SYPictureMetadataExample
//
// Created by Stan Chevallier on 12/16/12.
// Copyright (c) 2012 Syan. All rights reserved.
//
#import "SYMetadataCIFF.h"
#import <ImageIO/ImageIO.h>
@implementation SYMetadataCIFF
+ (NSDictionary *)JSONKeyPathsByPropertyKey
{
return @{SYStringSel(descr): (NSString *)kCGImagePropertyCIFFDescription,
SYStringSel(firmware): (NSString *)kCGImagePropertyCIFFFirmware,
SYStringSel(ownerName): (NSString *)kCGImagePropertyCIFFOwnerName,
SYStringSel(imageName): (NSString *)kCGImagePropertyCIFFImageName,
SYStringSel(imageFileName): (NSString *)kCGImagePropertyCIFFImageFileName,
SYStringSel(releaseMethod): (NSString *)kCGImagePropertyCIFFReleaseMethod,
SYStringSel(releaseTiming): (NSString *)kCGImagePropertyCIFFReleaseTiming,
SYStringSel(recordID): (NSString *)kCGImagePropertyCIFFRecordID,
SYStringSel(selfTimingTime): (NSString *)kCGImagePropertyCIFFSelfTimingTime,
SYStringSel(cameraSerialNumber): (NSString *)kCGImagePropertyCIFFCameraSerialNumber,
SYStringSel(imageSerialNumber): (NSString *)kCGImagePropertyCIFFImageSerialNumber,
SYStringSel(continuousDrive): (NSString *)kCGImagePropertyCIFFContinuousDrive,
SYStringSel(focusMode): (NSString *)kCGImagePropertyCIFFFocusMode,
SYStringSel(meteringMode): (NSString *)kCGImagePropertyCIFFMeteringMode,
SYStringSel(shootingMode): (NSString *)kCGImagePropertyCIFFShootingMode,
SYStringSel(lensModel): (NSString *)kCGImagePropertyCIFFLensModel,
SYStringSel(lensMaxMM): (NSString *)kCGImagePropertyCIFFLensMaxMM,
SYStringSel(lensMinMM): (NSString *)kCGImagePropertyCIFFLensMinMM,
SYStringSel(whiteBalanceIndex): (NSString *)kCGImagePropertyCIFFWhiteBalanceIndex,
SYStringSel(flashExposureComp): (NSString *)kCGImagePropertyCIFFFlashExposureComp,
SYStringSel(measuredEV): (NSString *)kCGImagePropertyCIFFMeasuredEV,
SYStringSel(maxAperture): (NSString *)kSYImagePropertyCIFFMaxAperture,
SYStringSel(minAperture): (NSString *)kSYImagePropertyCIFFMinAperture,
SYStringSel(uniqueModelID): (NSString *)kSYImagePropertyCIFFUniqueModelID,
};
}
@end

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//
// SYMetadataDNG.h
// SYPictureMetadataExample
//
// Created by Stan Chevallier on 12/16/12.
// Copyright (c) 2012 Syan. All rights reserved.
//
#import "SYMetadataBase.h"
// https://www.adobe.com/content/dam/Adobe/en/products/photoshop/pdfs/dng_spec_1.4.0.0.pdf
@interface SYMetadataDNG : SYMetadataBase
@property SYMETADATA_PROPERTY_COPY NSArray <NSNumber *> *version;
@property SYMETADATA_PROPERTY_COPY NSArray <NSNumber *> *backwardVersion;
@property SYMETADATA_PROPERTY_COPY NSString *uniqueCameraModel;
@property SYMETADATA_PROPERTY_COPY NSString *localizedCameraModel;
@property SYMETADATA_PROPERTY_COPY NSString *cameraSerialNumber;
@property SYMETADATA_PROPERTY_COPY NSArray <NSNumber *> *lensInfo;
@property SYMETADATA_PROPERTY_COPY NSArray <NSNumber *> *blackLevel;
@property SYMETADATA_PROPERTY_COPY NSArray <NSNumber *> *whiteLevel;
@property SYMETADATA_PROPERTY_COPY NSNumber *calibrationIlluminant1;
@property SYMETADATA_PROPERTY_COPY NSNumber *calibrationIlluminant2;
@property SYMETADATA_PROPERTY_COPY NSArray <NSNumber *> *colorMatrix1;
@property SYMETADATA_PROPERTY_COPY NSArray <NSNumber *> *colorMatrix2;
@property SYMETADATA_PROPERTY_COPY NSArray <NSNumber *> *cameraCalibration1;
@property SYMETADATA_PROPERTY_COPY NSArray <NSNumber *> *cameraCalibration2;
@property SYMETADATA_PROPERTY_COPY NSArray <NSNumber *> *asShotNeutral;
@property SYMETADATA_PROPERTY_COPY NSArray <NSNumber *> *asShotWhiteXY;
@property SYMETADATA_PROPERTY_COPY NSNumber *baselineExposure;
@property SYMETADATA_PROPERTY_COPY NSNumber *baselineNoise;
@property SYMETADATA_PROPERTY_COPY NSNumber *baselineSharpness;
@property SYMETADATA_PROPERTY_COPY NSObject *privateData;
@property SYMETADATA_PROPERTY_COPY NSString *cameraCalibrationSignature;
@property SYMETADATA_PROPERTY_COPY NSString *profileCalibrationSignature;
@property SYMETADATA_PROPERTY_COPY NSArray <NSNumber *> *noiseProfile;
@property SYMETADATA_PROPERTY_COPY NSArray <NSNumber *> *warpRectilinear;
@property SYMETADATA_PROPERTY_COPY NSArray <NSNumber *> *warpFisheye;
@property SYMETADATA_PROPERTY_COPY NSArray <NSNumber *> *fixVignetteRadial;
@end

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//
// SYMetadataDNG.m
// SYPictureMetadataExample
//
// Created by Stan Chevallier on 12/16/12.
// Copyright (c) 2012 Syan. All rights reserved.
//
#import "SYMetadataDNG.h"
#import <ImageIO/ImageIO.h>
@implementation SYMetadataDNG
+ (NSDictionary *)JSONKeyPathsByPropertyKey
{
return @{SYStringSel(version): (NSString *)kCGImagePropertyDNGVersion,
SYStringSel(backwardVersion): (NSString *)kCGImagePropertyDNGBackwardVersion,
SYStringSel(uniqueCameraModel): (NSString *)kCGImagePropertyDNGUniqueCameraModel,
SYStringSel(localizedCameraModel): (NSString *)kCGImagePropertyDNGLocalizedCameraModel,
SYStringSel(cameraSerialNumber): (NSString *)kCGImagePropertyDNGCameraSerialNumber,
SYStringSel(lensInfo): (NSString *)kCGImagePropertyDNGLensInfo,
};
}
@end

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//
// SYMetadataExif.h
// SYPictureMetadataExample
//
// Created by Stan Chevallier on 12/13/12.
// Copyright (c) 2012 Syan. All rights reserved.
//
#import <Foundation/Foundation.h>
#import "SYMetadataBase.h"
typedef enum {
SYPictureExifExposureProgram_NotDefined = 0,
SYPictureExifExposureProgram_Manual = 1,
SYPictureExifExposureProgram_NormalProgram = 2,
SYPictureExifExposureProgram_AperturePriority = 3,
SYPictureExifExposureProgram_ShutterPriority = 4,
SYPictureExifExposureProgram_CreativeProgram = 5, // (biased toward depth of field)
SYPictureExifExposureProgram_ActionProgram = 6, // (biased toward fast shutter speed)
SYPictureExifExposureProgram_PortraitMode = 7, // (for closeup photos with the background out of focus)
SYPictureExifExposureProgram_LandscapeMode = 8 // (for landscape photos with the background in focus)
} SYPictureExifExposureProgram;
typedef enum {
SYPictureExifMeteringMode_Unknown = 0,
SYPictureExifMeteringMode_Average = 1,
SYPictureExifMeteringMode_CenterWeightedAverage = 2,
SYPictureExifMeteringMode_Spot = 3,
SYPictureExifMeteringMode_MultiSpot = 4,
SYPictureExifMeteringMode_Pattern = 5,
SYPictureExifMeteringMode_Partial = 6,
SYPictureExifMeteringMode_Other = 255
} SYPictureExifMeteringMode;
typedef enum {
SYPictureExifLightSource_Unknown = 0,
SYPictureExifLightSource_Daylight = 1,
SYPictureExifLightSource_Fluorescent = 2,
SYPictureExifLightSource_TungstenIncandescentLight = 3,
SYPictureExifLightSource_Flash = 4,
SYPictureExifLightSource_FineWeather = 9,
SYPictureExifLightSource_CloudyWeather = 10,
SYPictureExifLightSource_Shade = 11,
SYPictureExifLightSource_DaylightFluorescent = 12, // (D 5700 - 7100K)
SYPictureExifLightSource_DayWhiteFluorescent = 13, // (N 4600 - 5400K)
SYPictureExifLightSource_CoolWhiteFluorescent = 14, // (W 3900 - 4500K)
SYPictureExifLightSource_WhiteFluorescent = 15, // (WW 3200 - 3700K)
SYPictureExifLightSource_StandardLightA = 17,
SYPictureExifLightSource_StandardLightB = 18,
SYPictureExifLightSource_StandardLightC = 19,
SYPictureExifLightSource_D55 = 20,
SYPictureExifLightSource_D65 = 21,
SYPictureExifLightSource_D75 = 22,
SYPictureExifLightSource_D50 = 23,
SYPictureExifLightSource_ISOStudioTungsten = 24,
SYPictureExifLightSource_OtherLightSource = 255
} SYPictureExifLightSource;
typedef enum {
SYPictureExifFocalPlaneResolutionUnit_NoAbsoluteUnitOfMeasurement = 1,
SYPictureExifFocalPlaneResolutionUnit_Inch = 2,
SYPictureExifFocalPlaneResolutionUnit_Centimeter = 3
} SYPictureExifFocalPlaneResolutionUnit;
typedef enum {
SYPictureExifSensingMethod_NotDefined = 1,
SYPictureExifSensingMethod_OneChipColorAreaSensor = 2,
SYPictureExifSensingMethod_TwoChipColorAreaSensor = 3,
SYPictureExifSensingMethod_ThreeChipColorAreaSensor = 4,
SYPictureExifSensingMethod_ColorSequentialAreaSensor = 5,
SYPictureExifSensingMethod_TrilinearSensor = 7,
SYPictureExifSensingMethod_ColorSequentialLinearSensor = 8
} SYPictureExifSensingMethod;
typedef enum {
SYPictureExifCustomRendered_NormalProcess = 0,
SYPictureExifCustomRendered_CustomProcess = 1
} SYPictureExifCustomRendered;
typedef enum {
SYPictureExifExposureMode_AutoExposure = 0,
SYPictureExifExposureMode_ManualExposure = 1,
SYPictureExifExposureMode_AutoBracket = 2
} SYPictureExifExposureMode;
typedef enum {
SYPictureExifWhiteBalance_Auto = 0,
SYPictureExifWhiteBalance_Manual = 1
} SYPictureExifWhiteBalance;
typedef enum {
SYPictureExifSceneCaptureType_Standard = 0,
SYPictureExifSceneCaptureType_Landscape = 1,
SYPictureExifSceneCaptureType_Portrait = 2,
SYPictureExifSceneCaptureType_NightScene = 3
} SYPictureExifSceneCaptureType;
typedef enum {
SYPictureExifGainControl_None = 0,
SYPictureExifGainControl_LowGainUp = 1,
SYPictureExifGainControl_HighGainUp = 2,
SYPictureExifGainControl_LowGainDown = 3,
SYPictureExifGainControl_HighGainDown = 4
} SYPictureExifGainControl;
typedef enum {
SYPictureExifContrast_Normal = 0,
SYPictureExifContrast_Soft = 1,
SYPictureExifContrast_Hard = 2
} SYPictureExifContrast;
typedef enum {
SYPictureExifSaturation_Normal = 0,
SYPictureExifSaturation_LowSaturation = 1,
SYPictureExifSaturation_HighSaturation = 2
} SYPictureExifSaturation;
typedef enum {
SYPictureExifSharpness_Normal = 0,
SYPictureExifSharpness_Soft = 1,
SYPictureExifSharpness_Hard = 2
} SYPictureExifSharpness;
typedef enum {
SYPictureExifSubjectDistanceRange_Unknown = 0,
SYPictureExifSubjectDistanceRange_Macro = 1,
SYPictureExifSubjectDistanceRange_CloseView = 2,
SYPictureExifSubjectDistanceRange_DistantView = 3
} SYPictureExifSubjectDistanceRange;
typedef enum : NSUInteger {
SYMetadataExifSensitivityType_Unknown = 0,
SYMetadataExifSensitivityType_StandardOutputSensitivity = 1,
SYMetadataExifSensitivityType_RecommendedExposureIndex = 2,
SYMetadataExifSensitivityType_ISOSpeed = 3,
SYMetadataExifSensitivityType_StandardOutputSensitivityAndRecommendedExposureIndex = 4,
SYMetadataExifSensitivityType_StandardOutputSensitivityAndISOSpeed = 5,
SYMetadataExifSensitivityType_RecommendedExposureIndexAndISOSpeed = 6,
SYMetadataExifSensitivityType_StandardOutputSensitivityAndRecommendedExposureIndexAndISOSpeed = 7,
} SYMetadataExifSensitivityType;
typedef enum : NSUInteger {
SYMetadataExifFlash_FlashDidNotFire = 0x0000,
SYMetadataExifFlash_FlashFired = 0x0001,
SYMetadataExifFlash_StrobeReturnLightNotDetected = 0x0005,
SYMetadataExifFlash_StrobeReturnLightDetected = 0x0007,
SYMetadataExifFlash_FlashFiredCompulsoryFlashMode = 0x0009,
SYMetadataExifFlash_FlashFiredCompulsoryFlashModeReturnLightNotDetected = 0x000D,
SYMetadataExifFlash_FlashFiredCompulsoryFlashModeReturnLightDetected = 0x000F,
SYMetadataExifFlash_FlashDidNotFireCompulsoryDlashMode = 0x0010,
SYMetadataExifFlash_FlashDidNotFireAutoMode = 0x0018,
SYMetadataExifFlash_FlashFiredAutoMode = 0x0019,
SYMetadataExifFlash_FlashFiredAutoModeReturnLightNotDetected = 0x001D,
SYMetadataExifFlash_FlashFiredAutoModeReturnLightDetected = 0x001F,
SYMetadataExifFlash_NoFlashFunction = 0x0020,
SYMetadataExifFlash_FlashFiredRedEyeReductionMode = 0x0041,
SYMetadataExifFlash_FlashFiredRedEyeReductionModeReturnLightNotDetected = 0x0045,
SYMetadataExifFlash_FlashFiredRedEyeReductionModeReturnLightDetected = 0x0047,
SYMetadataExifFlash_FlashFiredCompulsoryFlashModeRedEyeReductionMode = 0x0049,
SYMetadataExifFlash_FlashFiredCompulsoryFlashModeRedEyeReductionModeReturnLightNotDetected = 0x004D,
SYMetadataExifFlash_FlashFiredCompulsoryFlashModeRedEyeReductionModeReturnLightDetected = 0x004F,
SYMetadataExifFlash_FlashFiredAutoModeRedEyeReductionMode = 0x0059,
SYMetadataExifFlash_FlashFiredAutoModeReturnLightNotDetectedRedEyeReductionMode = 0x005D,
SYMetadataExifFlash_FlashFiredAutoModeReturnLightDetectedRedEyeReductionMode = 0x005F,
} SYMetadataExifFlash;
@interface SYMetadataExif : SYMetadataBase
@property SYMETADATA_PROPERTY_COPY NSNumber *exposureTime;
@property SYMETADATA_PROPERTY_COPY NSNumber *fNumber;
@property SYMETADATA_PROPERTY_COPY NSNumber *exposureProgram;
@property SYMETADATA_PROPERTY_COPY NSString *spectralSensitivity;
@property SYMETADATA_PROPERTY_COPY NSArray <NSNumber *> *isoSpeedRatings;
@property SYMETADATA_PROPERTY_COPY NSObject *oecf;
@property SYMETADATA_PROPERTY_COPY NSArray <NSNumber *> *version;
@property SYMETADATA_PROPERTY_COPY NSString *dateTimeOriginal;
@property SYMETADATA_PROPERTY_COPY NSString *dateTimeDigitized;
@property SYMETADATA_PROPERTY_COPY NSArray <NSNumber *> *componentsConfiguration;
@property SYMETADATA_PROPERTY_COPY NSNumber *compressedBitsPerPixel;
@property SYMETADATA_PROPERTY_COPY NSNumber *shutterSpeedValue;
@property SYMETADATA_PROPERTY_COPY NSNumber *apertureValue;
@property SYMETADATA_PROPERTY_COPY NSNumber *brightnessValue;
@property SYMETADATA_PROPERTY_COPY NSNumber *exposureBiasValue;
@property SYMETADATA_PROPERTY_COPY NSNumber *maxApertureValue;
@property SYMETADATA_PROPERTY_COPY NSNumber *subjectDistance;
@property SYMETADATA_PROPERTY_COPY NSNumber *meteringMode;
@property SYMETADATA_PROPERTY_COPY NSNumber *lightSource;
@property SYMETADATA_PROPERTY_COPY NSNumber *flash;
@property SYMETADATA_PROPERTY_COPY NSString *flashString;
@property SYMETADATA_PROPERTY_COPY NSNumber *focalLength;
@property SYMETADATA_PROPERTY_COPY NSArray <NSNumber *> *subjectArea;
@property SYMETADATA_PROPERTY_COPY NSObject *makerNote;
@property SYMETADATA_PROPERTY_COPY NSString *userComment;
@property SYMETADATA_PROPERTY_COPY NSString *subsecTime;
@property SYMETADATA_PROPERTY_COPY NSString *subsecTimeOriginal;
@property SYMETADATA_PROPERTY_COPY NSString *subsecTimeDigitized;
@property SYMETADATA_PROPERTY_COPY NSArray <NSNumber *> *flashPixVersion;
@property SYMETADATA_PROPERTY_COPY NSNumber *colorSpace;
@property SYMETADATA_PROPERTY_COPY NSNumber *pixelXDimension;
@property SYMETADATA_PROPERTY_COPY NSNumber *pixelYDimension;
@property SYMETADATA_PROPERTY_COPY NSString *relatedSoundFile;
@property SYMETADATA_PROPERTY_COPY NSNumber *flashEnergy;
@property SYMETADATA_PROPERTY_COPY NSObject *spatialFrequencyResponse;
@property SYMETADATA_PROPERTY_COPY NSNumber *focalPlaneXResolution;
@property SYMETADATA_PROPERTY_COPY NSNumber *focalPlaneYResolution;
@property SYMETADATA_PROPERTY_COPY NSNumber *focalPlaneResolutionUnit;
@property SYMETADATA_PROPERTY_COPY NSArray <NSNumber *> *subjectLocation;
@property SYMETADATA_PROPERTY_COPY NSNumber *exposureIndex;
@property SYMETADATA_PROPERTY_COPY NSNumber *sensingMethod;
@property SYMETADATA_PROPERTY_COPY NSObject *fileSource;
@property SYMETADATA_PROPERTY_COPY NSObject *sceneType;
@property SYMETADATA_PROPERTY_COPY NSArray *cfaPattern;
@property SYMETADATA_PROPERTY_COPY NSNumber *customRendered;
@property SYMETADATA_PROPERTY_COPY NSNumber *exposureMode;
@property SYMETADATA_PROPERTY_COPY NSNumber *whiteBalance;
@property SYMETADATA_PROPERTY_COPY NSNumber *digitalZoomRatio;
@property SYMETADATA_PROPERTY_COPY NSNumber *focalLenIn35mmFilm;
@property SYMETADATA_PROPERTY_COPY NSNumber *sceneCaptureType;
@property SYMETADATA_PROPERTY_COPY NSNumber *gainControl;
@property SYMETADATA_PROPERTY_COPY NSNumber *contrast;
@property SYMETADATA_PROPERTY_COPY NSNumber *saturation;
@property SYMETADATA_PROPERTY_COPY NSNumber *sharpness;
@property SYMETADATA_PROPERTY_COPY NSObject *deviceSettingDescription;
@property SYMETADATA_PROPERTY_COPY NSNumber *subjectDistRange;
@property SYMETADATA_PROPERTY_COPY NSString *imageUniqueID;
@property SYMETADATA_PROPERTY_COPY NSString *cameraOwnerName;
@property SYMETADATA_PROPERTY_COPY NSString *bodySerialNumber;
@property SYMETADATA_PROPERTY_COPY NSArray *lensSpecification;
@property SYMETADATA_PROPERTY_COPY NSString *lensMake;
@property SYMETADATA_PROPERTY_COPY NSString *lensModel;
@property SYMETADATA_PROPERTY_COPY NSString *lensSerialNumber;
@property SYMETADATA_PROPERTY_COPY NSNumber *gamma;
@property SYMETADATA_PROPERTY_COPY NSNumber *sensitivityType;
@property SYMETADATA_PROPERTY_COPY NSNumber *standardOutputSensitivity;
@property SYMETADATA_PROPERTY_COPY NSNumber *recommendedExposureIndex;
@property SYMETADATA_PROPERTY_COPY NSNumber *isoSpeed;
@property SYMETADATA_PROPERTY_COPY NSNumber *isoSpeedLatitudeyyy;
@property SYMETADATA_PROPERTY_COPY NSNumber *isoSpeedLatitudezzz;
@end

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//
//SYMetadataEXIF.m
//SYPictureMetadataExample
//
//Created by Stan Chevallier on 12/13/12.
//Copyright (c2012 Syan. All rights reserved.
//
#import "SYMetadataEXIF.h"
#import <ImageIO/ImageIO.h>
@implementation SYMetadataExif
+ (NSDictionary *)JSONKeyPathsByPropertyKey
{
return @{SYStringSel(exposureTime): (NSString *)kCGImagePropertyExifExposureTime,
SYStringSel(fNumber): (NSString *)kCGImagePropertyExifFNumber,
SYStringSel(exposureProgram): (NSString *)kCGImagePropertyExifExposureProgram,
SYStringSel(spectralSensitivity): (NSString *)kCGImagePropertyExifSpectralSensitivity,
SYStringSel(isoSpeedRatings): (NSString *)kCGImagePropertyExifISOSpeedRatings,
SYStringSel(oecf): (NSString *)kCGImagePropertyExifOECF,
SYStringSel(version): (NSString *)kCGImagePropertyExifVersion,
SYStringSel(dateTimeOriginal): (NSString *)kCGImagePropertyExifDateTimeOriginal,
SYStringSel(dateTimeDigitized): (NSString *)kCGImagePropertyExifDateTimeDigitized,
SYStringSel(componentsConfiguration): (NSString *)kCGImagePropertyExifComponentsConfiguration,
SYStringSel(compressedBitsPerPixel): (NSString *)kCGImagePropertyExifCompressedBitsPerPixel,
SYStringSel(shutterSpeedValue): (NSString *)kCGImagePropertyExifShutterSpeedValue,
SYStringSel(apertureValue): (NSString *)kCGImagePropertyExifApertureValue,
SYStringSel(brightnessValue): (NSString *)kCGImagePropertyExifBrightnessValue,
SYStringSel(exposureBiasValue): (NSString *)kCGImagePropertyExifExposureBiasValue,
SYStringSel(maxApertureValue): (NSString *)kCGImagePropertyExifMaxApertureValue,
SYStringSel(subjectDistance): (NSString *)kCGImagePropertyExifSubjectDistance,
SYStringSel(meteringMode): (NSString *)kCGImagePropertyExifMeteringMode,
SYStringSel(lightSource): (NSString *)kCGImagePropertyExifLightSource,
SYStringSel(flash): (NSString *)kCGImagePropertyExifFlash,
SYStringSel(focalLength): (NSString *)kCGImagePropertyExifFocalLength,
SYStringSel(subjectArea): (NSString *)kCGImagePropertyExifSubjectArea,
SYStringSel(makerNote): (NSString *)kCGImagePropertyExifMakerNote,
SYStringSel(userComment): (NSString *)kCGImagePropertyExifUserComment,
SYStringSel(subsecTime): (NSString *)kCGImagePropertyExifSubsecTime,
SYStringSel(subsecTimeOriginal): (NSString *)kCGImagePropertyExifSubsecTimeOrginal,
SYStringSel(subsecTimeDigitized): (NSString *)kCGImagePropertyExifSubsecTimeDigitized,
SYStringSel(flashPixVersion): (NSString *)kCGImagePropertyExifFlashPixVersion,
SYStringSel(colorSpace): (NSString *)kCGImagePropertyExifColorSpace,
SYStringSel(pixelXDimension): (NSString *)kCGImagePropertyExifPixelXDimension,
SYStringSel(pixelYDimension): (NSString *)kCGImagePropertyExifPixelYDimension,
SYStringSel(relatedSoundFile): (NSString *)kCGImagePropertyExifRelatedSoundFile,
SYStringSel(flashEnergy): (NSString *)kCGImagePropertyExifFlashEnergy,
SYStringSel(spatialFrequencyResponse): (NSString *)kCGImagePropertyExifSpatialFrequencyResponse,
SYStringSel(focalPlaneXResolution): (NSString *)kCGImagePropertyExifFocalPlaneXResolution,
SYStringSel(focalPlaneYResolution): (NSString *)kCGImagePropertyExifFocalPlaneYResolution,
SYStringSel(focalPlaneResolutionUnit): (NSString *)kCGImagePropertyExifFocalPlaneResolutionUnit,
SYStringSel(subjectLocation): (NSString *)kCGImagePropertyExifSubjectLocation,
SYStringSel(exposureIndex): (NSString *)kCGImagePropertyExifExposureIndex,
SYStringSel(sensingMethod): (NSString *)kCGImagePropertyExifSensingMethod,
SYStringSel(fileSource): (NSString *)kCGImagePropertyExifFileSource,
SYStringSel(sceneType): (NSString *)kCGImagePropertyExifSceneType,
SYStringSel(cfaPattern): (NSString *)kCGImagePropertyExifCFAPattern,
SYStringSel(customRendered): (NSString *)kCGImagePropertyExifCustomRendered,
SYStringSel(exposureMode): (NSString *)kCGImagePropertyExifExposureMode,
SYStringSel(whiteBalance): (NSString *)kCGImagePropertyExifWhiteBalance,
SYStringSel(digitalZoomRatio): (NSString *)kCGImagePropertyExifDigitalZoomRatio,
SYStringSel(focalLenIn35mmFilm): (NSString *)kCGImagePropertyExifFocalLenIn35mmFilm,
SYStringSel(sceneCaptureType): (NSString *)kCGImagePropertyExifSceneCaptureType,
SYStringSel(gainControl): (NSString *)kCGImagePropertyExifGainControl,
SYStringSel(contrast): (NSString *)kCGImagePropertyExifContrast,
SYStringSel(saturation): (NSString *)kCGImagePropertyExifSaturation,
SYStringSel(sharpness): (NSString *)kCGImagePropertyExifSharpness,
SYStringSel(deviceSettingDescription): (NSString *)kCGImagePropertyExifDeviceSettingDescription,
SYStringSel(subjectDistRange): (NSString *)kCGImagePropertyExifSubjectDistRange,
SYStringSel(imageUniqueID): (NSString *)kCGImagePropertyExifImageUniqueID,
SYStringSel(cameraOwnerName): (NSString *)kCGImagePropertyExifCameraOwnerName,
SYStringSel(bodySerialNumber): (NSString *)kCGImagePropertyExifBodySerialNumber,
SYStringSel(lensSpecification): (NSString *)kCGImagePropertyExifLensSpecification,
SYStringSel(lensMake): (NSString *)kCGImagePropertyExifLensMake,
SYStringSel(lensModel): (NSString *)kCGImagePropertyExifLensModel,
SYStringSel(lensSerialNumber): (NSString *)kCGImagePropertyExifLensSerialNumber,
SYStringSel(gamma): (NSString *)kCGImagePropertyExifGamma,
SYStringSel(sensitivityType): (NSString *)kCGImagePropertyExifSensitivityType,
SYStringSel(standardOutputSensitivity):(NSString *)kCGImagePropertyExifStandardOutputSensitivity,
SYStringSel(recommendedExposureIndex): (NSString *)kCGImagePropertyExifRecommendedExposureIndex,
SYStringSel(isoSpeed): (NSString *)kCGImagePropertyExifISOSpeed,
SYStringSel(isoSpeedLatitudeyyy): (NSString *)kCGImagePropertyExifISOSpeedLatitudeyyy,
SYStringSel(isoSpeedLatitudezzz): (NSString *)kCGImagePropertyExifISOSpeedLatitudezzz,
};
}
@end

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//
// SYMetadataExifAux.h
// SYPictureMetadataExample
//
// Created by Stan Chevallier on 12/16/12.
// Copyright (c) 2012 Syan. All rights reserved.
//
#import "SYMetadataBase.h"
@interface SYMetadataExifAux : SYMetadataBase
@property SYMETADATA_PROPERTY_COPY NSArray <NSNumber *> *lensInfo;
@property SYMETADATA_PROPERTY_COPY NSString *lensModel;
@property SYMETADATA_PROPERTY_COPY NSString *serialNumber;
@property SYMETADATA_PROPERTY_COPY NSNumber *lensID;
@property SYMETADATA_PROPERTY_COPY NSString *lensSerialNumber;
@property SYMETADATA_PROPERTY_COPY NSNumber *imageNumber;
@property SYMETADATA_PROPERTY_COPY NSObject *flashCompensation;
@property SYMETADATA_PROPERTY_COPY NSString *ownerName;
@property SYMETADATA_PROPERTY_COPY NSObject *firmware;
@property SYMETADATA_PROPERTY_COPY NSNumber *focusMode;
@property SYMETADATA_PROPERTY_COPY NSNumber *focusDistance;
@property SYMETADATA_PROPERTY_COPY NSArray *afInfo;
@property SYMETADATA_PROPERTY_COPY NSNumber *imageStabilization;
@end

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//
// SYMetadataExifAux.m
// SYPictureMetadataExample
//
// Created by Stan Chevallier on 12/16/12.
// Copyright (c 2012 Syan. All rights reserved.
//
#import <ImageIO/ImageIO.h>
#import "SYMetadataExifAux.h"
@implementation SYMetadataExifAux
+ (NSDictionary *)JSONKeyPathsByPropertyKey
{
return @{SYStringSel(lensInfo): (NSString *)kCGImagePropertyExifAuxLensInfo,
SYStringSel(lensModel): (NSString *)kCGImagePropertyExifAuxLensModel,
SYStringSel(serialNumber): (NSString *)kCGImagePropertyExifAuxSerialNumber,
SYStringSel(lensID): (NSString *)kCGImagePropertyExifAuxLensID,
SYStringSel(lensSerialNumber): (NSString *)kCGImagePropertyExifAuxLensSerialNumber,
SYStringSel(imageNumber): (NSString *)kCGImagePropertyExifAuxImageNumber,
SYStringSel(flashCompensation): (NSString *)kCGImagePropertyExifAuxFlashCompensation,
SYStringSel(ownerName): (NSString *)kCGImagePropertyExifAuxOwnerName,
SYStringSel(firmware): (NSString *)kCGImagePropertyExifAuxFirmware,
// iOS reads the data but the keys are not publicly declared, we use the Nikon equivalents
SYStringSel(focusMode): (NSString *)kCGImagePropertyMakerNikonFocusMode,
SYStringSel(focusDistance): (NSString *)kCGImagePropertyMakerNikonFocusDistance,
SYStringSel(afInfo): (NSString *)kSYImagePropertyExifAuxAutoFocusInfo,
SYStringSel(imageStabilization): (NSString *)kSYImagePropertyExifAuxImageStabilization,
};
}
@end

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@ -1,19 +0,0 @@
//
// SYMetadataGIF.h
// SYPictureMetadataExample
//
// Created by Stan Chevallier on 12/16/12.
// Copyright (c) 2012 Syan. All rights reserved.
//
#import "SYMetadataBase.h"
@interface SYMetadataGIF : SYMetadataBase
@property SYMETADATA_PROPERTY_COPY NSNumber *loopCount;
@property SYMETADATA_PROPERTY_COPY NSNumber *delayTime;
@property SYMETADATA_PROPERTY_COPY NSArray <NSNumber *> *imageColorMap;
@property SYMETADATA_PROPERTY_COPY NSNumber *hasGlobalColorMap;
@property SYMETADATA_PROPERTY_COPY NSNumber *unclampedDelayTime;
@end

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//
// SYMetadataGIF.m
// SYPictureMetadataExample
//
// Created by Stan Chevallier on 12/16/12.
// Copyright (c) 2012 Syan. All rights reserved.
//
#import "SYMetadataGIF.h"
#import <ImageIO/ImageIO.h>
@implementation SYMetadataGIF
+ (NSDictionary *)JSONKeyPathsByPropertyKey
{
return @{SYStringSel(loopCount): (NSString *)kCGImagePropertyGIFLoopCount,
SYStringSel(delayTime): (NSString *)kCGImagePropertyGIFDelayTime,
SYStringSel(imageColorMap): (NSString *)kCGImagePropertyGIFImageColorMap,
SYStringSel(hasGlobalColorMap): (NSString *)kCGImagePropertyGIFHasGlobalColorMap,
SYStringSel(unclampedDelayTime): (NSString *)kCGImagePropertyGIFUnclampedDelayTime,
};
}
@end

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//
// SYMetadataGPS.h
// SYPictureMetadataExample
//
// Created by Stan Chevallier on 12/16/12.
// Copyright (c) 2012 Syan. All rights reserved.
//
#import "SYMetadataBase.h"
// TODO: use enum for refs instead of strings
@interface SYMetadataGPS : SYMetadataBase
@property SYMETADATA_PROPERTY_COPY NSArray <NSNumber *> *version;
@property SYMETADATA_PROPERTY_COPY NSString *latitudeRef;
@property SYMETADATA_PROPERTY_COPY NSNumber *latitude;
@property SYMETADATA_PROPERTY_COPY NSString *longitudeRef;
@property SYMETADATA_PROPERTY_COPY NSNumber *longitude;
@property SYMETADATA_PROPERTY_COPY NSNumber *altitudeRef;
@property SYMETADATA_PROPERTY_COPY NSNumber *altitude;
@property SYMETADATA_PROPERTY_COPY NSString *timeStamp;
@property SYMETADATA_PROPERTY_COPY NSString *satellites;
@property SYMETADATA_PROPERTY_COPY NSString *status;
@property SYMETADATA_PROPERTY_COPY NSString *measureMode;
@property SYMETADATA_PROPERTY_COPY NSNumber *dop;
@property SYMETADATA_PROPERTY_COPY NSString *speedRef;
@property SYMETADATA_PROPERTY_COPY NSNumber *speed;
@property SYMETADATA_PROPERTY_COPY NSString *trackRef;
@property SYMETADATA_PROPERTY_COPY NSNumber *track;
@property SYMETADATA_PROPERTY_COPY NSString *imgDirectionRef;
@property SYMETADATA_PROPERTY_COPY NSNumber *imgDirection;
@property SYMETADATA_PROPERTY_COPY NSString *mapDatum;
@property SYMETADATA_PROPERTY_COPY NSString *destLatitudeRef;
@property SYMETADATA_PROPERTY_COPY NSNumber *destLatitude;
@property SYMETADATA_PROPERTY_COPY NSString *destLongitudeRef;
@property SYMETADATA_PROPERTY_COPY NSNumber *destLongitude;
@property SYMETADATA_PROPERTY_COPY NSString *destBearingRef;
@property SYMETADATA_PROPERTY_COPY NSNumber *destBearing;
@property SYMETADATA_PROPERTY_COPY NSString *destDistanceRef;
@property SYMETADATA_PROPERTY_COPY NSNumber *destDistance;
@property SYMETADATA_PROPERTY_COPY NSString *processingMethod;
@property SYMETADATA_PROPERTY_COPY NSObject *areaInformation;
@property SYMETADATA_PROPERTY_COPY NSString *dateStamp;
@property SYMETADATA_PROPERTY_COPY NSNumber *differental;
@property SYMETADATA_PROPERTY_COPY NSNumber *hPositioningError;
@end

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//
// SYMetadataGPS.m
// SYPictureMetadataExample
//
// Created by Stan Chevallier on 12/16/12.
// Copyright (c) 2012 Syan. All rights reserved.
//
#import "SYMetadataGPS.h"
#import <ImageIO/ImageIO.h>
@implementation SYMetadataGPS
+ (NSDictionary *)JSONKeyPathsByPropertyKey
{
return @{SYStringSel(version): (NSString *)kCGImagePropertyGPSVersion,
SYStringSel(latitudeRef): (NSString *)kCGImagePropertyGPSLatitudeRef,
SYStringSel(latitude): (NSString *)kCGImagePropertyGPSLatitude,
SYStringSel(longitudeRef): (NSString *)kCGImagePropertyGPSLongitudeRef,
SYStringSel(longitude): (NSString *)kCGImagePropertyGPSLongitude,
SYStringSel(altitudeRef): (NSString *)kCGImagePropertyGPSAltitudeRef,
SYStringSel(altitude): (NSString *)kCGImagePropertyGPSAltitude,
SYStringSel(timeStamp): (NSString *)kCGImagePropertyGPSTimeStamp,
SYStringSel(satellites): (NSString *)kCGImagePropertyGPSSatellites,
SYStringSel(status): (NSString *)kCGImagePropertyGPSStatus,
SYStringSel(measureMode): (NSString *)kCGImagePropertyGPSMeasureMode,
SYStringSel(dop): (NSString *)kCGImagePropertyGPSDOP,
SYStringSel(speedRef): (NSString *)kCGImagePropertyGPSSpeedRef,
SYStringSel(speed): (NSString *)kCGImagePropertyGPSSpeed,
SYStringSel(trackRef): (NSString *)kCGImagePropertyGPSTrackRef,
SYStringSel(track): (NSString *)kCGImagePropertyGPSTrack,
SYStringSel(imgDirectionRef): (NSString *)kCGImagePropertyGPSImgDirectionRef,
SYStringSel(imgDirection): (NSString *)kCGImagePropertyGPSImgDirection,
SYStringSel(mapDatum): (NSString *)kCGImagePropertyGPSMapDatum,
SYStringSel(destLatitudeRef): (NSString *)kCGImagePropertyGPSDestLatitudeRef,
SYStringSel(destLatitude): (NSString *)kCGImagePropertyGPSDestLatitude,
SYStringSel(destLongitudeRef): (NSString *)kCGImagePropertyGPSDestLongitudeRef,
SYStringSel(destLongitude): (NSString *)kCGImagePropertyGPSDestLongitude,
SYStringSel(destBearingRef): (NSString *)kCGImagePropertyGPSDestBearingRef,
SYStringSel(destBearing): (NSString *)kCGImagePropertyGPSDestBearing,
SYStringSel(destDistanceRef): (NSString *)kCGImagePropertyGPSDestDistanceRef,
SYStringSel(destDistance): (NSString *)kCGImagePropertyGPSDestDistance,
SYStringSel(processingMethod): (NSString *)kCGImagePropertyGPSProcessingMethod,
SYStringSel(areaInformation): (NSString *)kCGImagePropertyGPSAreaInformation,
SYStringSel(dateStamp): (NSString *)kCGImagePropertyGPSDateStamp,
SYStringSel(differental): (NSString *)kCGImagePropertyGPSDifferental,
SYStringSel(hPositioningError):(NSString *)kCGImagePropertyGPSHPositioningError,
};
}
@end

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//
// SYMetadataIPTC.h
// SYPictureMetadataExample
//
// Created by Stan Chevallier on 12/16/12.
// Copyright (c) 2012 Syan. All rights reserved.
//
#import "SYMetadataBase.h"
#import "SYMetadataIPTCContactInfo.h"
@interface SYMetadataIPTC : SYMetadataBase
@property SYMETADATA_PROPERTY_COPY NSString *objectTypeReference;
@property SYMETADATA_PROPERTY_COPY NSArray <NSString *> *objectAttributeReference;
@property SYMETADATA_PROPERTY_COPY NSString *objectName;
@property SYMETADATA_PROPERTY_COPY NSString *editStatus;
@property SYMETADATA_PROPERTY_COPY NSString *editorialUpdate;
@property SYMETADATA_PROPERTY_COPY NSString *urgency;
@property SYMETADATA_PROPERTY_COPY NSArray <NSString *> *subjectReference;
@property SYMETADATA_PROPERTY_COPY NSString *category;
@property SYMETADATA_PROPERTY_COPY NSArray <NSString *> *supplementalCategory;
@property SYMETADATA_PROPERTY_COPY NSString *fixtureIdentifier;
@property SYMETADATA_PROPERTY_COPY NSArray <NSString *> *keywords;
@property SYMETADATA_PROPERTY_COPY NSArray <NSString *> *contentLocationCode;
@property SYMETADATA_PROPERTY_COPY NSArray <NSString *> *contentLocationName;
@property SYMETADATA_PROPERTY_COPY NSString *releaseDate;
@property SYMETADATA_PROPERTY_COPY NSString *releaseTime;
@property SYMETADATA_PROPERTY_COPY NSString *expirationDate;
@property SYMETADATA_PROPERTY_COPY NSString *expirationTime;
@property SYMETADATA_PROPERTY_COPY NSString *specialInstructions;
@property SYMETADATA_PROPERTY_COPY NSString *actionAdvised;
@property SYMETADATA_PROPERTY_COPY NSArray <NSString *> *referenceService;
@property SYMETADATA_PROPERTY_COPY NSArray <NSString *> *referenceDate;
@property SYMETADATA_PROPERTY_COPY NSArray <NSString *> *referenceNumber;
@property SYMETADATA_PROPERTY_COPY NSString *dateCreated;
@property SYMETADATA_PROPERTY_COPY NSString *timeCreated;
@property SYMETADATA_PROPERTY_COPY NSString *digitalCreationDate;
@property SYMETADATA_PROPERTY_COPY NSString *digitalCreationTime;
@property SYMETADATA_PROPERTY_COPY NSString *originatingProgram;
@property SYMETADATA_PROPERTY_COPY NSString *programVersion;
@property SYMETADATA_PROPERTY_COPY NSString *objectCycle;
@property SYMETADATA_PROPERTY_COPY NSArray <NSString *> *byline;
@property SYMETADATA_PROPERTY_COPY NSArray <NSString *> *bylineTitle;
@property SYMETADATA_PROPERTY_COPY NSString *city;
@property SYMETADATA_PROPERTY_COPY NSString *subLocation;
@property SYMETADATA_PROPERTY_COPY NSString *provinceState;
@property SYMETADATA_PROPERTY_COPY NSString *countryPrimaryLocationCode;
@property SYMETADATA_PROPERTY_COPY NSString *countryPrimaryLocationName;
@property SYMETADATA_PROPERTY_COPY NSString *originalTransmissionReference;
@property SYMETADATA_PROPERTY_COPY NSString *headline;
@property SYMETADATA_PROPERTY_COPY NSString *credit;
@property SYMETADATA_PROPERTY_COPY NSString *source;
@property SYMETADATA_PROPERTY_COPY NSString *copyrightNotice;
@property SYMETADATA_PROPERTY_COPY NSArray <NSString *> *contact;
@property SYMETADATA_PROPERTY_COPY NSString *captionAbstract;
@property SYMETADATA_PROPERTY_COPY NSArray <NSString *> *writerEditor;
@property SYMETADATA_PROPERTY_COPY NSString *imageType;
@property SYMETADATA_PROPERTY_COPY NSString *imageOrientation;
@property SYMETADATA_PROPERTY_COPY NSString *languageIdentifier;
@property SYMETADATA_PROPERTY_COPY NSNumber *starRating;
@property SYMETADATA_PROPERTY_COPY SYMetadataIPTCContactInfo *creatorContactInfo;
@property SYMETADATA_PROPERTY_COPY NSString *rightsUsageTerms;
@property SYMETADATA_PROPERTY_COPY NSString *scene;
@end

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//
// SYMetadataIPTC.m
// SYPictureMetadataExample
//
// Created by Stan Chevallier on 12/16/12.
// Copyright (c) 2012 Syan. All rights reserved.
//
#import "SYMetadataIPTC.h"
#import <ImageIO/ImageIO.h>
@implementation SYMetadataIPTC
+ (NSDictionary *)JSONKeyPathsByPropertyKey
{
return @{SYStringSel(objectTypeReference): (NSString *)kCGImagePropertyIPTCObjectTypeReference,
SYStringSel(objectAttributeReference): (NSString *)kCGImagePropertyIPTCObjectAttributeReference,
SYStringSel(objectName): (NSString *)kCGImagePropertyIPTCObjectName,
SYStringSel(editStatus): (NSString *)kCGImagePropertyIPTCEditStatus,
SYStringSel(editorialUpdate): (NSString *)kCGImagePropertyIPTCEditorialUpdate,
SYStringSel(urgency): (NSString *)kCGImagePropertyIPTCUrgency,
SYStringSel(subjectReference): (NSString *)kCGImagePropertyIPTCSubjectReference,
SYStringSel(category): (NSString *)kCGImagePropertyIPTCCategory,
SYStringSel(supplementalCategory): (NSString *)kCGImagePropertyIPTCSupplementalCategory,
SYStringSel(fixtureIdentifier): (NSString *)kCGImagePropertyIPTCFixtureIdentifier,
SYStringSel(keywords): (NSString *)kCGImagePropertyIPTCKeywords,
SYStringSel(contentLocationCode): (NSString *)kCGImagePropertyIPTCContentLocationCode,
SYStringSel(contentLocationName): (NSString *)kCGImagePropertyIPTCContentLocationName,
SYStringSel(releaseDate): (NSString *)kCGImagePropertyIPTCReleaseDate,
SYStringSel(releaseTime): (NSString *)kCGImagePropertyIPTCReleaseTime,
SYStringSel(expirationDate): (NSString *)kCGImagePropertyIPTCExpirationDate,
SYStringSel(expirationTime): (NSString *)kCGImagePropertyIPTCExpirationTime,
SYStringSel(specialInstructions): (NSString *)kCGImagePropertyIPTCSpecialInstructions,
SYStringSel(actionAdvised): (NSString *)kCGImagePropertyIPTCActionAdvised,
SYStringSel(referenceService): (NSString *)kCGImagePropertyIPTCReferenceService,
SYStringSel(referenceDate): (NSString *)kCGImagePropertyIPTCReferenceDate,
SYStringSel(referenceNumber): (NSString *)kCGImagePropertyIPTCReferenceNumber,
SYStringSel(dateCreated): (NSString *)kCGImagePropertyIPTCDateCreated,
SYStringSel(timeCreated): (NSString *)kCGImagePropertyIPTCTimeCreated,
SYStringSel(digitalCreationDate): (NSString *)kCGImagePropertyIPTCDigitalCreationDate,
SYStringSel(digitalCreationTime): (NSString *)kCGImagePropertyIPTCDigitalCreationTime,
SYStringSel(originatingProgram): (NSString *)kCGImagePropertyIPTCOriginatingProgram,
SYStringSel(programVersion): (NSString *)kCGImagePropertyIPTCProgramVersion,
SYStringSel(objectCycle): (NSString *)kCGImagePropertyIPTCObjectCycle,
SYStringSel(byline): (NSString *)kCGImagePropertyIPTCByline,
SYStringSel(bylineTitle): (NSString *)kCGImagePropertyIPTCBylineTitle,
SYStringSel(city): (NSString *)kCGImagePropertyIPTCCity,
SYStringSel(subLocation): (NSString *)kCGImagePropertyIPTCSubLocation,
SYStringSel(provinceState): (NSString *)kCGImagePropertyIPTCProvinceState,
SYStringSel(countryPrimaryLocationCode): (NSString *)kCGImagePropertyIPTCCountryPrimaryLocationCode,
SYStringSel(countryPrimaryLocationName): (NSString *)kCGImagePropertyIPTCCountryPrimaryLocationName,
SYStringSel(originalTransmissionReference): (NSString *)kCGImagePropertyIPTCOriginalTransmissionReference,
SYStringSel(headline): (NSString *)kCGImagePropertyIPTCHeadline,
SYStringSel(credit): (NSString *)kCGImagePropertyIPTCCredit,
SYStringSel(source): (NSString *)kCGImagePropertyIPTCSource,
SYStringSel(copyrightNotice): (NSString *)kCGImagePropertyIPTCCopyrightNotice,
SYStringSel(contact): (NSString *)kCGImagePropertyIPTCContact,
SYStringSel(captionAbstract): (NSString *)kCGImagePropertyIPTCCaptionAbstract,
SYStringSel(writerEditor): (NSString *)kCGImagePropertyIPTCWriterEditor,
SYStringSel(imageType): (NSString *)kCGImagePropertyIPTCImageType,
SYStringSel(imageOrientation): (NSString *)kCGImagePropertyIPTCImageOrientation,
SYStringSel(languageIdentifier): (NSString *)kCGImagePropertyIPTCLanguageIdentifier,
SYStringSel(starRating): (NSString *)kCGImagePropertyIPTCStarRating,
SYStringSel(creatorContactInfo): (NSString *)kCGImagePropertyIPTCCreatorContactInfo,
SYStringSel(rightsUsageTerms): (NSString *)kCGImagePropertyIPTCRightsUsageTerms,
SYStringSel(scene): (NSString *)kCGImagePropertyIPTCScene,
};
}
+ (NSValueTransformer *)JSONTransformerForKey:(NSString *)key
{
if ([key isEqualToString:SYStringSel(creatorContactInfo)])
{
return [NSValueTransformer sy_dictionaryTransformerForModelOfClass:[SYMetadataIPTCContactInfo class]];
}
return [super JSONTransformerForKey:key];
}
@end

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@ -1,22 +0,0 @@
//
// SYMetadataIPTCContactInfo.h
// SYPictureMetadataExample
//
// Created by Stan Chevallier on 12/16/12.
// Copyright (c) 2012 Syan. All rights reserved.
//
#import "SYMetadataBase.h"
@interface SYMetadataIPTCContactInfo : SYMetadataBase
@property SYMETADATA_PROPERTY_COPY NSString *city;
@property SYMETADATA_PROPERTY_COPY NSString *country;
@property SYMETADATA_PROPERTY_COPY NSString *address;
@property SYMETADATA_PROPERTY_COPY NSString *postalCode;
@property SYMETADATA_PROPERTY_COPY NSString *stateProvince;
@property SYMETADATA_PROPERTY_COPY NSString *emails;
@property SYMETADATA_PROPERTY_COPY NSString *phones;
@property SYMETADATA_PROPERTY_COPY NSString *webURLs;
@end

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//
// SYMetadataIPTCContactInfo.m
// SYPictureMetadataExample
//
// Created by Stan Chevallier on 12/16/12.
// Copyright (c) 2012 Syan. All rights reserved.
//
#import "SYMetadataIPTCContactInfo.h"
#import <ImageIO/ImageIO.h>
@implementation SYMetadataIPTCContactInfo
+ (NSDictionary *)JSONKeyPathsByPropertyKey
{
return @{SYStringSel(city): (NSString *)kCGImagePropertyIPTCContactInfoCity,
SYStringSel(country): (NSString *)kCGImagePropertyIPTCContactInfoCountry,
SYStringSel(address): (NSString *)kCGImagePropertyIPTCContactInfoAddress,
SYStringSel(postalCode): (NSString *)kCGImagePropertyIPTCContactInfoPostalCode,
SYStringSel(stateProvince):(NSString *)kCGImagePropertyIPTCContactInfoStateProvince,
SYStringSel(emails): (NSString *)kCGImagePropertyIPTCContactInfoEmails,
SYStringSel(phones): (NSString *)kCGImagePropertyIPTCContactInfoPhones,
SYStringSel(webURLs): (NSString *)kCGImagePropertyIPTCContactInfoWebURLs,
};
}
@end

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@ -1,19 +0,0 @@
//
// SYMetadataJFIF.h
// SYPictureMetadataExample
//
// Created by Stan Chevallier on 12/16/12.
// Copyright (c) 2012 Syan. All rights reserved.
//
#import "SYMetadataBase.h"
@interface SYMetadataJFIF : SYMetadataBase
@property SYMETADATA_PROPERTY_COPY NSArray *version;
@property SYMETADATA_PROPERTY_COPY NSNumber *xDensity;
@property SYMETADATA_PROPERTY_COPY NSNumber *yDensity;
@property SYMETADATA_PROPERTY_COPY NSNumber *densityUnit;
@property SYMETADATA_PROPERTY_COPY NSNumber *isProgressive;
@end

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//
// SYMetadataJFIF.m
// SYPictureMetadataExample
//
// Created by Stan Chevallier on 12/16/12.
// Copyright (c) 2012 Syan. All rights reserved.
//
#import "SYMetadataJFIF.h"
#import <ImageIO/ImageIO.h>
@implementation SYMetadataJFIF
+ (NSDictionary *)JSONKeyPathsByPropertyKey
{
return @{SYStringSel(version): (NSString *)kCGImagePropertyJFIFVersion,
SYStringSel(xDensity): (NSString *)kCGImagePropertyJFIFXDensity,
SYStringSel(yDensity): (NSString *)kCGImagePropertyJFIFYDensity,
SYStringSel(densityUnit): (NSString *)kCGImagePropertyJFIFDensityUnit,
SYStringSel(isProgressive):(NSString *)kCGImagePropertyJFIFIsProgressive,
};
}
@end

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//
// SYMetadataMakerCanon.h
// SYPictureMetadataExample
//
// Created by Stan Chevallier on 12/16/12.
// Copyright (c) 2012 Syan. All rights reserved.
//
#import "SYMetadataBase.h"
typedef enum : NSUInteger {
SYMetadataMakerCanonContinuousDriver_Single = 0,
SYMetadataMakerCanonContinuousDriver_Continuous = 1,
SYMetadataMakerCanonContinuousDriver_Movie = 2,
SYMetadataMakerCanonContinuousDriver_ContinuousSpeedPriority = 3,
SYMetadataMakerCanonContinuousDriver_ContinuousLow = 4,
SYMetadataMakerCanonContinuousDriver_ContinuousHigh = 5,
SYMetadataMakerCanonContinuousDriver_SilentSingle = 6,
SYMetadataMakerCanonContinuousDriver_SingleSilent = 9,
SYMetadataMakerCanonContinuousDriver_ContinuousSilent = 10,
} SYMetadataMakerCanonContinuousDriver;
@interface SYMetadataMakerCanon : SYMetadataBase
@property SYMETADATA_PROPERTY_COPY NSString *ownerName;
@property SYMETADATA_PROPERTY_COPY NSNumber *cameraSerialNumber;
@property SYMETADATA_PROPERTY_COPY NSNumber *imageSerialNumber;
@property SYMETADATA_PROPERTY_COPY NSNumber *flashExposureComp;
@property SYMETADATA_PROPERTY_COPY NSNumber *continuousDrive;
@property SYMETADATA_PROPERTY_COPY NSString *lensModel;
@property SYMETADATA_PROPERTY_COPY NSString *firmware;
@property SYMETADATA_PROPERTY_COPY NSNumber *aspectRatioInfo;
@property SYMETADATA_PROPERTY_COPY NSNumber *whiteBalanceIndex;
@property SYMETADATA_PROPERTY_COPY NSNumber *uniqueModelID;
@property SYMETADATA_PROPERTY_COPY NSNumber *maxAperture;
@property SYMETADATA_PROPERTY_COPY NSNumber *minAperture;
@end

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//
// SYMetadataMakerCanon.m
// SYPictureMetadataExample
//
// Created by Stan Chevallier on 12/16/12.
// Copyright (c) 2012 Syan. All rights reserved.
//
#import "SYMetadataMakerCanon.h"
#import <ImageIO/ImageIO.h>
@implementation SYMetadataMakerCanon
+ (NSDictionary *)JSONKeyPathsByPropertyKey
{
return @{SYStringSel(ownerName): (NSString *)kCGImagePropertyMakerCanonOwnerName,
SYStringSel(cameraSerialNumber): (NSString *)kCGImagePropertyMakerCanonCameraSerialNumber,
SYStringSel(imageSerialNumber): (NSString *)kCGImagePropertyMakerCanonImageSerialNumber,
SYStringSel(flashExposureComp): (NSString *)kCGImagePropertyMakerCanonFlashExposureComp,
SYStringSel(continuousDrive): (NSString *)kCGImagePropertyMakerCanonContinuousDrive,
SYStringSel(lensModel): (NSString *)kCGImagePropertyMakerCanonLensModel,
SYStringSel(firmware): (NSString *)kCGImagePropertyMakerCanonFirmware,
SYStringSel(aspectRatioInfo): (NSString *)kCGImagePropertyMakerCanonAspectRatioInfo,
// data is read by iOS but is not accessible via a publicly declared key. we use the one from CIFF
SYStringSel(whiteBalanceIndex): (NSString *)kCGImagePropertyCIFFWhiteBalanceIndex,
SYStringSel(maxAperture): (NSString *)kSYImagePropertyCIFFMaxAperture,
SYStringSel(minAperture): (NSString *)kSYImagePropertyCIFFMinAperture,
SYStringSel(uniqueModelID): (NSString *)kSYImagePropertyCIFFUniqueModelID,
};
}
@end

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//
// SYMetadataMakerFuji.h
// SYPictureMetadataExample
//
// Created by Stan Chevallier on 12/16/12.
// Copyright (c) 2012 Syan. All rights reserved.
//
#import "SYMetadataBase.h"
@interface SYMetadataMakerFuji : SYMetadataBase
@end

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@ -1,13 +0,0 @@
//
// SYMetadataMakerFuji.m
// SYPictureMetadataExample
//
// Created by Stan Chevallier on 12/16/12.
// Copyright (c) 2012 Syan. All rights reserved.
//
#import "SYMetadataMakerFuji.h"
@implementation SYMetadataMakerFuji
@end

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//
// SYMetadataMakerMinolta.h
// SYPictureMetadataExample
//
// Created by Stan Chevallier on 12/16/12.
// Copyright (c) 2012 Syan. All rights reserved.
//
#import "SYMetadataBase.h"
@interface SYMetadataMakerMinolta : SYMetadataBase
@end

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@ -1,13 +0,0 @@
//
// SYMetadataMakerMinolta.m
// SYPictureMetadataExample
//
// Created by Stan Chevallier on 12/16/12.
// Copyright (c) 2012 Syan. All rights reserved.
//
#import "SYMetadataMakerMinolta.h"
@implementation SYMetadataMakerMinolta
@end

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//
// SYMetadataMakerNikon.h
// SYPictureMetadataExample
//
// Created by Stan Chevallier on 12/16/12.
// Copyright (c) 2012 Syan. All rights reserved.
//
#import "SYMetadataBase.h"
typedef enum : NSUInteger {
SYMetadataMakerNikonShootingMode_Continuous = 1 << 0L,
SYMetadataMakerNikonShootingMode_Delay = 1 << 1L,
SYMetadataMakerNikonShootingMode_PCControl = 1 << 2L,
SYMetadataMakerNikonShootingMode_Selftimer = 1 << 3L,
SYMetadataMakerNikonShootingMode_ExposureBracketing = 1 << 4L,
SYMetadataMakerNikonShootingMode_AutoISO = 1 << 5L,
SYMetadataMakerNikonShootingMode_WhiteBalanceBracketing = 1 << 6L,
SYMetadataMakerNikonShootingMode_IRControl = 1 << 7L,
SYMetadataMakerNikonShootingMode_DLightingBracketing = 1 << 8L,
} SYMetadataMakerNikonShootingMode;
typedef enum : NSUInteger {
SYMetadataMakerNikonLensType_MF = 1 << 0L,
SYMetadataMakerNikonLensType_D = 1 << 1L,
SYMetadataMakerNikonLensType_G = 1 << 2L,
SYMetadataMakerNikonLensType_VR = 1 << 3L,
} SYMetadataMakerNikonLensType;
@interface SYMetadataMakerNikon : SYMetadataBase
@property SYMETADATA_PROPERTY_COPY NSArray <NSNumber *> *isoSetting;
@property SYMETADATA_PROPERTY_COPY NSString *colorMode;
@property SYMETADATA_PROPERTY_COPY NSString *quality;
@property SYMETADATA_PROPERTY_COPY NSString *whiteBalanceMode;
@property SYMETADATA_PROPERTY_COPY NSString *sharpenMode;
@property SYMETADATA_PROPERTY_COPY NSString *focusMode;
@property SYMETADATA_PROPERTY_COPY NSString *flashSetting;
@property SYMETADATA_PROPERTY_COPY NSString *isoSelection;
@property SYMETADATA_PROPERTY_COPY NSObject *flashExposureComp;
@property SYMETADATA_PROPERTY_COPY NSString *imageAdjustment;
@property SYMETADATA_PROPERTY_COPY NSObject *lensAdapter;
@property SYMETADATA_PROPERTY_COPY NSNumber *lensType;
@property SYMETADATA_PROPERTY_COPY NSObject *lensInfo;
@property SYMETADATA_PROPERTY_COPY NSNumber *focusDistance;
@property SYMETADATA_PROPERTY_COPY NSNumber *digitalZoom;
@property SYMETADATA_PROPERTY_COPY NSNumber *shootingMode;
@property SYMETADATA_PROPERTY_COPY NSString *cameraSerialNumber;
@property SYMETADATA_PROPERTY_COPY NSNumber *shutterCount;
@end

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//
// SYMetadataMakerNikon.m
// SYPictureMetadataExample
//
// Created by Stan Chevallier on 12/16/12.
// Copyright (c) 2012 Syan. All rights reserved.
//
#import "SYMetadataMakerNikon.h"
#import <ImageIO/ImageIO.h>
@implementation SYMetadataMakerNikon
+ (NSDictionary *)JSONKeyPathsByPropertyKey
{
return @{SYStringSel(isoSetting): (NSString *)kCGImagePropertyMakerNikonISOSetting,
SYStringSel(colorMode): (NSString *)kCGImagePropertyMakerNikonColorMode,
SYStringSel(quality): (NSString *)kCGImagePropertyMakerNikonQuality,
SYStringSel(whiteBalanceMode): (NSString *)kCGImagePropertyMakerNikonWhiteBalanceMode,
SYStringSel(sharpenMode): (NSString *)kCGImagePropertyMakerNikonSharpenMode,
SYStringSel(focusMode): (NSString *)kCGImagePropertyMakerNikonFocusMode,
SYStringSel(flashSetting): (NSString *)kCGImagePropertyMakerNikonFlashSetting,
SYStringSel(isoSelection): (NSString *)kCGImagePropertyMakerNikonISOSelection,
SYStringSel(flashExposureComp): (NSString *)kCGImagePropertyMakerNikonFlashExposureComp,
SYStringSel(imageAdjustment): (NSString *)kCGImagePropertyMakerNikonImageAdjustment,
SYStringSel(lensAdapter): (NSString *)kCGImagePropertyMakerNikonLensAdapter,
SYStringSel(lensType): (NSString *)kCGImagePropertyMakerNikonLensType,
SYStringSel(lensInfo): (NSString *)kCGImagePropertyMakerNikonLensInfo,
SYStringSel(focusDistance): (NSString *)kCGImagePropertyMakerNikonFocusDistance,
SYStringSel(digitalZoom): (NSString *)kCGImagePropertyMakerNikonDigitalZoom,
SYStringSel(shootingMode): (NSString *)kCGImagePropertyMakerNikonShootingMode,
SYStringSel(cameraSerialNumber): (NSString *)kCGImagePropertyMakerNikonCameraSerialNumber,
SYStringSel(shutterCount): (NSString *)kCGImagePropertyMakerNikonShutterCount,
};
}
@end

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@ -1,13 +0,0 @@
//
// SYMetadataMakerOlympus.h
// SYPictureMetadataExample
//
// Created by Stan Chevallier on 12/16/12.
// Copyright (c) 2012 Syan. All rights reserved.
//
#import "SYMetadataBase.h"
@interface SYMetadataMakerOlympus : SYMetadataBase
@end

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@ -1,13 +0,0 @@
//
// SYMetadataMakerOlympus.m
// SYPictureMetadataExample
//
// Created by Stan Chevallier on 12/16/12.
// Copyright (c) 2012 Syan. All rights reserved.
//
#import "SYMetadataMakerOlympus.h"
@implementation SYMetadataMakerOlympus
@end

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//
// SYMetadataMakerPentax.h
// SYPictureMetadataExample
//
// Created by Stan Chevallier on 12/16/12.
// Copyright (c) 2012 Syan. All rights reserved.
//
#import "SYMetadataBase.h"
@interface SYMetadataMakerPentax : SYMetadataBase
@end

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@ -1,13 +0,0 @@
//
// SYMetadataMakerPentax.m
// SYPictureMetadataExample
//
// Created by Stan Chevallier on 12/16/12.
// Copyright (c) 2012 Syan. All rights reserved.
//
#import "SYMetadataMakerPentax.h"
@implementation SYMetadataMakerPentax
@end

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//
// SYMetadataPNG.h
// SYPictureMetadataExample
//
// Created by Stan Chevallier on 12/16/12.
// Copyright (c) 2012 Syan. All rights reserved.
//
#import "SYMetadataBase.h"
#import <ImageIO/ImageIO.h>
typedef enum : NSUInteger {
SYMetadataPNGsRGBIntent_Perceptual = 0,
SYMetadataPNGsRGBIntent_RelativeColorimetric = 1,
SYMetadataPNGsRGBIntent_Saturation = 2,
SYMetadataPNGsRGBIntent_AbsoluteColorimetric = 3,
} SYMetadataPNGsRGBIntent;
typedef enum : NSUInteger {
SYMetadataPNGCompressionFilter_NoFilters = IMAGEIO_PNG_NO_FILTERS,
SYMetadataPNGCompressionFilter_None = IMAGEIO_PNG_FILTER_NONE,
SYMetadataPNGCompressionFilter_Sub = IMAGEIO_PNG_FILTER_SUB,
SYMetadataPNGCompressionFilter_Up = IMAGEIO_PNG_FILTER_UP,
SYMetadataPNGCompressionFilter_Avg = IMAGEIO_PNG_FILTER_AVG,
SYMetadataPNGCompressionFilter_Paeth = IMAGEIO_PNG_FILTER_PAETH,
SYMetadataPNGCompressionFilter_All = IMAGEIO_PNG_ALL_FILTERS,
} SYMetadataPNGCompressionFilter;
@interface SYMetadataPNG : SYMetadataBase
@property SYMETADATA_PROPERTY_COPY NSNumber *gamma;
@property SYMETADATA_PROPERTY_COPY NSNumber *interlaceType;
@property SYMETADATA_PROPERTY_COPY NSNumber *xPixelsPerMeter;
@property SYMETADATA_PROPERTY_COPY NSNumber *yPixelsPerMeter;
@property SYMETADATA_PROPERTY_COPY NSNumber *sRGBIntent;
@property SYMETADATA_PROPERTY_COPY NSArray <NSNumber *> *chromaticities;
@property SYMETADATA_PROPERTY_COPY NSString *author;
@property SYMETADATA_PROPERTY_COPY NSString *copyright;
@property SYMETADATA_PROPERTY_COPY NSString *creationTime;
@property SYMETADATA_PROPERTY_COPY NSString *descr;
@property SYMETADATA_PROPERTY_COPY NSString *modificationTime;
@property SYMETADATA_PROPERTY_COPY NSString *software;
@property SYMETADATA_PROPERTY_COPY NSString *title;
@property SYMETADATA_PROPERTY_COPY NSNumber *loopCount;
@property SYMETADATA_PROPERTY_COPY NSNumber *delayTime;
@property SYMETADATA_PROPERTY_COPY NSNumber *unclampedDelayTime;
@property SYMETADATA_PROPERTY_COPY NSNumber *compressionFilter;
@end

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//
// SYMetadataPNG.m
// SYPictureMetadataExample
//
// Created by Stan Chevallier on 12/16/12.
// Copyright (c) 2012 Syan. All rights reserved.
//
#import "SYMetadataPNG.h"
#import <ImageIO/ImageIO.h>
@implementation SYMetadataPNG
+ (NSDictionary *)JSONKeyPathsByPropertyKey
{
return @{SYStringSel(gamma): (NSString *)kCGImagePropertyPNGGamma,
SYStringSel(interlaceType): (NSString *)kCGImagePropertyPNGInterlaceType,
SYStringSel(xPixelsPerMeter): (NSString *)kCGImagePropertyPNGXPixelsPerMeter,
SYStringSel(yPixelsPerMeter): (NSString *)kCGImagePropertyPNGYPixelsPerMeter,
SYStringSel(sRGBIntent): (NSString *)kCGImagePropertyPNGsRGBIntent,
SYStringSel(chromaticities): (NSString *)kCGImagePropertyPNGChromaticities,
SYStringSel(author): (NSString *)kCGImagePropertyPNGAuthor,
SYStringSel(copyright): (NSString *)kCGImagePropertyPNGCopyright,
SYStringSel(creationTime): (NSString *)kCGImagePropertyPNGCreationTime,
SYStringSel(descr): (NSString *)kCGImagePropertyPNGDescription,
SYStringSel(modificationTime): (NSString *)kCGImagePropertyPNGModificationTime,
SYStringSel(software): (NSString *)kCGImagePropertyPNGSoftware,
SYStringSel(title): (NSString *)kCGImagePropertyPNGTitle,
SYStringSel(loopCount): (NSString *)kCGImagePropertyAPNGLoopCount,
SYStringSel(delayTime): (NSString *)kCGImagePropertyAPNGDelayTime,
SYStringSel(unclampedDelayTime): (NSString *)kCGImagePropertyAPNGUnclampedDelayTime,
SYStringSel(compressionFilter): (NSString *)kCGImagePropertyPNGCompressionFilter,
};
}
@end

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@ -1,13 +0,0 @@
//
// SYMetadataRaw.h
// SYPictureMetadataExample
//
// Created by Stan Chevallier on 12/16/12.
// Copyright (c) 2012 Syan. All rights reserved.
//
#import "SYMetadataBase.h"
@interface SYMetadataRaw : SYMetadataBase
@end

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@ -1,13 +0,0 @@
//
// SYMetadataRaw.m
// SYPictureMetadataExample
//
// Created by Stan Chevallier on 12/16/12.
// Copyright (c) 2012 Syan. All rights reserved.
//
#import "SYMetadataRaw.h"
@implementation SYMetadataRaw
@end

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//
// SYMetadataTIFF.h
// SYPictureMetadataExample
//
// Created by Stan Chevallier on 12/13/12.
// Copyright (c) 2012 Syan. All rights reserved.
//
#import <Foundation/Foundation.h>
#import "SYMetadataBase.h"
typedef enum {
SYPictureTiffOrientation_Unknown = 0,
SYPictureTiffOrientation_TopLeft = 1,
SYPictureTiffOrientation_TopRight = 2,
SYPictureTiffOrientation_BottomRight = 3,
SYPictureTiffOrientation_BottomLeft = 4,
SYPictureTiffOrientation_LeftTop = 5,
SYPictureTiffOrientation_RightTop = 6,
SYPictureTiffOrientation_RightBottom = 7,
SYPictureTiffOrientation_LeftBottom = 8,
} SYPictureTiffOrientation;
typedef enum {
SYPictureTiffPhotometricInterpretation_MINISWHITE = 0,
SYPictureTiffPhotometricInterpretation_MINISBLACK = 1,
SYPictureTiffPhotometricInterpretation_RGB = 2,
SYPictureTiffPhotometricInterpretation_PALETTE = 3,
SYPictureTiffPhotometricInterpretation_MASK = 4,
SYPictureTiffPhotometricInterpretation_SEPARATED = 5,
SYPictureTiffPhotometricInterpretation_YCBCR = 6,
SYPictureTiffPhotometricInterpretation_CIELAB = 8,
SYPictureTiffPhotometricInterpretation_ICCLAB = 9,
SYPictureTiffPhotometricInterpretation_ITULAB = 10,
SYPictureTiffPhotometricInterpretation_LOGL = 32844,
SYPictureTiffPhotometricInterpretation_LOGLUV = 32845,
} SYPictureTiffPhotometricInterpretation;
@interface SYMetadataTIFF : SYMetadataBase
@property SYMETADATA_PROPERTY_COPY NSNumber *compression;
@property SYMETADATA_PROPERTY_COPY NSNumber *photometricInterpretation;
@property SYMETADATA_PROPERTY_COPY NSString *documentName;
@property SYMETADATA_PROPERTY_COPY NSString *imageDescription;
@property SYMETADATA_PROPERTY_COPY NSString *make;
@property SYMETADATA_PROPERTY_COPY NSString *model;
@property SYMETADATA_PROPERTY_COPY NSNumber *orientation;
@property SYMETADATA_PROPERTY_COPY NSNumber *xResolution;
@property SYMETADATA_PROPERTY_COPY NSNumber *yResolution;
@property SYMETADATA_PROPERTY_COPY NSNumber *resolutionUnit;
@property SYMETADATA_PROPERTY_COPY NSString *software;
@property SYMETADATA_PROPERTY_COPY NSArray *transferFunction;
@property SYMETADATA_PROPERTY_COPY NSString *dateTime;
@property SYMETADATA_PROPERTY_COPY NSString *artist;
@property SYMETADATA_PROPERTY_COPY NSString *hostComputer;
@property SYMETADATA_PROPERTY_COPY NSString *copyright;
@property SYMETADATA_PROPERTY_COPY NSArray *whitePoint;
@property SYMETADATA_PROPERTY_COPY NSArray *primaryChromaticities;
@property SYMETADATA_PROPERTY_COPY NSNumber *tileWidth;
@property SYMETADATA_PROPERTY_COPY NSNumber *tileLength;
@end

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@ -1,48 +0,0 @@
//
// SYMetadataTIFF.m
// SYPictureMetadataExample
//
// Created by Stan Chevallier on 12/13/12.
// Copyright (c) 2012 Syan. All rights reserved.
//
#import "SYMetadataTIFF.h"
#import <ImageIO/ImageIO.h>
@implementation SYMetadataTIFF
+ (NSDictionary *)JSONKeyPathsByPropertyKey
{
return @{SYStringSel(compression): (NSString *)kCGImagePropertyTIFFCompression,
SYStringSel(photometricInterpretation):(NSString *)kCGImagePropertyTIFFPhotometricInterpretation,
SYStringSel(documentName): (NSString *)kCGImagePropertyTIFFDocumentName,
SYStringSel(imageDescription): (NSString *)kCGImagePropertyTIFFImageDescription,
SYStringSel(make): (NSString *)kCGImagePropertyTIFFMake,
SYStringSel(model): (NSString *)kCGImagePropertyTIFFModel,
SYStringSel(orientation): (NSString *)kCGImagePropertyTIFFOrientation,
SYStringSel(xResolution): (NSString *)kCGImagePropertyTIFFXResolution,
SYStringSel(yResolution): (NSString *)kCGImagePropertyTIFFYResolution,
SYStringSel(resolutionUnit): (NSString *)kCGImagePropertyTIFFResolutionUnit,
SYStringSel(software): (NSString *)kCGImagePropertyTIFFSoftware,
SYStringSel(transferFunction): (NSString *)kCGImagePropertyTIFFTransferFunction,
SYStringSel(dateTime): (NSString *)kCGImagePropertyTIFFDateTime,
SYStringSel(artist): (NSString *)kCGImagePropertyTIFFArtist,
SYStringSel(hostComputer): (NSString *)kCGImagePropertyTIFFHostComputer,
SYStringSel(copyright): (NSString *)kCGImagePropertyTIFFCopyright,
SYStringSel(whitePoint): (NSString *)kCGImagePropertyTIFFWhitePoint,
SYStringSel(primaryChromaticities): (NSString *)kCGImagePropertyTIFFPrimaryChromaticities,
SYStringSel(tileWidth): (NSString *)kCGImagePropertyTIFFTileWidth,
SYStringSel(tileLength): (NSString *)kCGImagePropertyTIFFTileLength,
};
}
+ (NSValueTransformer *)JSONTransformerForKey:(NSString *)key
{
if ([key isEqualToString:SYStringSel(photometricInterpretation)])
return [MTLValueTransformer sy_nonZeroIntegerValueTransformer];
return [super JSONTransformerForKey:key];
}
@end

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@ -1,12 +0,0 @@
//
// Created by cjl on 2018/9/8.
//
#import <Foundation/Foundation.h>
#import <UIKit/UIKit.h>
@interface UIImage (scale)
- (UIImage *)scaleWithMinWidth:(CGFloat)minWidth minHeight:(CGFloat)minHeight;
- (UIImage *)rotate:(CGFloat) rotate;
@end

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@ -1,74 +0,0 @@
//
// Created by cjl on 2018/9/8.
//
#import "UIImage+scale.h"
#import "FlutterImageCompressPlugin.h"
@implementation UIImage (scale)
-(UIImage *)scaleWithMinWidth: (CGFloat)minWidth minHeight:(CGFloat)minHeight {
float actualHeight = self.size.height;
float actualWidth = self.size.width;
float imgRatio = actualWidth/actualHeight;
float maxRatio = minWidth/minHeight;
float scaleRatio = 1;
if(imgRatio < maxRatio) {
scaleRatio = minWidth / actualWidth;
} else {
scaleRatio = minHeight / actualHeight;
}
scaleRatio = fminf(1, scaleRatio);
actualWidth = floor(scaleRatio * actualWidth);
actualHeight = floor(scaleRatio * actualHeight);
CGRect rect = CGRectMake(0.0, 0.0, actualWidth, actualHeight);
UIGraphicsBeginImageContext(rect.size);
[self drawInRect:rect];
UIImage *newImage = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
if([FlutterImageCompressPlugin showLog]){
NSLog(@"scale = %.2f", scaleRatio);
NSLog(@"dst width = %.2f", rect.size.width);
NSLog(@"dst height = %.2f", rect.size.height);
}
return newImage;
}
- (UIImage *)rotate:(CGFloat) rotate{
return [self imageRotatedByDegrees:self deg:rotate];
}
- (UIImage *)imageRotatedByDegrees:(UIImage*)oldImage deg:(CGFloat)degrees{
if([FlutterImageCompressPlugin showLog]) {
NSLog(@"will rotate %f",degrees);
}
// calculate the size of the rotated view's containing box for our drawing space
UIView *rotatedViewBox = [[UIView alloc] initWithFrame:CGRectMake(0,0,oldImage.size.width, oldImage.size.height)];
CGAffineTransform t = CGAffineTransformMakeRotation(degrees * M_PI / 180);
rotatedViewBox.transform = t;
CGSize rotatedSize = rotatedViewBox.frame.size;
// Create the bitmap context
UIGraphicsBeginImageContext(rotatedSize);
CGContextRef bitmap = UIGraphicsGetCurrentContext();
// Move the origin to the middle of the image so we will rotate and scale around the center.
CGContextTranslateCTM(bitmap, rotatedSize.width/2, rotatedSize.height/2);
// // Rotate the image context
CGContextRotateCTM(bitmap, (degrees * M_PI / 180));
// Now, draw the rotated/scaled image into the context
CGContextScaleCTM(bitmap, 1.0, -1.0);
CGContextDrawImage(bitmap, CGRectMake(-oldImage.size.width / 2, -oldImage.size.height / 2, oldImage.size.width, oldImage.size.height), [oldImage CGImage]);
UIImage *newImage = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
return newImage;
}
@end

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@ -1,22 +0,0 @@
#
# To learn more about a Podspec see http://guides.cocoapods.org/syntax/podspec.html
#
Pod::Spec.new do |s|
s.name = 'flutter_image_compress'
s.version = '0.0.1'
s.summary = 'A new flutter plugin project.'
s.description = <<-DESC
A new flutter plugin project.
DESC
s.homepage = 'http://example.com'
s.license = { :file => '../LICENSE' }
s.author = { 'Your Company' => 'email@example.com' }
s.source = { :path => '.' }
s.source_files = 'Classes/**/*'
s.public_header_files = 'Classes/**/*.h'
s.dependency 'Flutter'
s.dependency 'Mantle'
s.ios.deployment_target = '8.0'
s.dependency 'SDWebImageWebPCoder'
end

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@ -1,234 +0,0 @@
import 'dart:async';
import 'dart:io';
import 'dart:typed_data';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'src/compress_format.dart';
import 'src/validator.dart';
export 'src/compress_format.dart';
/// Image Compress
///
/// static method will help you compress image
///
/// most method will return [Uint8List]
///
/// You can use `Image.memory` to display image
/// ```dart
/// Uint8List uint8List;
/// ImageProvider provider = MemoryImage(uint8List);
/// ```
///
/// or
///
/// ```dart
/// Uint8List uint8List;
/// Image.momory(uint8List)
/// ```
/// The returned image will retain the proportion of the original image.
///
/// Compress image will remove EXIF.
///
/// image result is jpeg format.
///
/// support rotate
///
class FlutterImageCompress {
static const MethodChannel _channel =
const MethodChannel('flutter_image_compress');
static Validator _validator = Validator(_channel);
static Validator get validator => _validator;
static set showNativeLog(bool value) {
_channel.invokeMethod("showLog", value);
}
/// Compress image from [Uint8List] to [Uint8List].
static Future<Uint8List> compressWithList(
Uint8List image, {
int minWidth = 1920,
int minHeight = 1080,
int quality = 95,
int rotate = 0,
int inSampleSize = 1,
bool autoCorrectionAngle = true,
CompressFormat format = CompressFormat.jpeg,
bool keepExif = false,
}) async {
assert(
image != null,
"A non-null Uint8List must be provided to FlutterImageCompress.",
);
if (image == null) {
throw "The image is null.";
}
if (image.isEmpty) {
throw "The image is empty.";
}
final support = await _validator.checkSupportPlatform(format);
if (!support) {
throw "The image is not support.";
}
final result = await _channel.invokeMethod("compressWithList", [
image,
minWidth,
minHeight,
quality,
rotate,
autoCorrectionAngle,
_convertTypeToInt(format),
keepExif,
inSampleSize,
]);
return result;
}
/// Compress file of [path] to [Uint8List].
static Future<Uint8List> compressWithFile(
String path, {
int minWidth = 1920,
int minHeight = 1080,
int inSampleSize = 1,
int quality = 95,
int rotate = 0,
bool autoCorrectionAngle = true,
CompressFormat format = CompressFormat.jpeg,
bool keepExif = false,
}) async {
assert(
path != null,
"A non-null String must be provided to FlutterImageCompress.",
);
if (path == null || !File(path).existsSync()) {
throw "Image file ($path) does not exist.";
}
final support = await _validator.checkSupportPlatform(format);
if (!support) {
return null;
}
final result = await _channel.invokeMethod("compressWithFile", [
path,
minWidth,
minHeight,
quality,
rotate,
autoCorrectionAngle,
_convertTypeToInt(format),
keepExif,
inSampleSize,
]);
return result;
}
/// From [path] to [targetPath]
static Future<File> compressAndGetFile(
String path,
String targetPath, {
int minWidth = 1920,
int minHeight = 1080,
int inSampleSize = 1,
int quality = 95,
int rotate = 0,
bool autoCorrectionAngle = true,
CompressFormat format = CompressFormat.jpeg,
bool keepExif = false,
}) async {
assert(
path != null,
"A non-null String must be provided to FlutterImageCompress.",
);
if (path == null || !File(path).existsSync()) {
throw "Image file does not exist";
}
assert(targetPath != null, "The target path must be null.");
assert(
targetPath != path, "Target path and source path cannot be the same.");
_validator.checkFileNameAndFormat(targetPath, format);
final support = await _validator.checkSupportPlatform(format);
if (!support) {
return null;
}
final String result =
await _channel.invokeMethod("compressWithFileAndGetFile", [
path,
minWidth,
minHeight,
quality,
targetPath,
rotate,
autoCorrectionAngle,
_convertTypeToInt(format),
keepExif,
inSampleSize,
]);
if (result == null) {
return null;
}
return File(result);
}
/// From [asset] to [Uint8List]
static Future<Uint8List> compressAssetImage(
String assetName, {
int minWidth = 1920,
int minHeight = 1080,
int quality = 95,
int rotate = 0,
bool autoCorrectionAngle = true,
CompressFormat format = CompressFormat.jpeg,
bool keepExif = false,
}) async {
assert(
assetName != null,
"A non-null String must be provided to FlutterImageCompress.",
);
if (assetName == null) {
return null;
}
final support = await _validator.checkSupportPlatform(format);
if (!support) {
return null;
}
final img = AssetImage(assetName);
final config = ImageConfiguration();
AssetBundleImageKey key = await img.obtainKey(config);
final ByteData data = await key.bundle.load(key.name);
final uint8List = data.buffer.asUint8List();
if (uint8List == null || uint8List.isEmpty) {
return null;
}
return compressWithList(
uint8List,
minHeight: minHeight,
minWidth: minWidth,
quality: quality,
rotate: rotate,
autoCorrectionAngle: autoCorrectionAngle,
format: format,
keepExif: keepExif,
);
}
}
int _convertTypeToInt(CompressFormat format) => format.index;

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/// Webp only support android.
///
/// heic:
/// - iOS: support iOS11+.
/// - android: API 28+, and May require hardware encoder support, does not guarantee that all devices above API28 are available. Use [HeifWriter](https://developer.android.com/reference/androidx/heifwriter/HeifWriter.html)
enum CompressFormat { jpeg, png, heic, webp }

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class UnsupportError extends Error {
final String message;
UnsupportError(this.message);
}
class CompressError extends Error {
final String message;
CompressError(this.message);
}

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@ -1,80 +0,0 @@
import 'dart:io';
import 'dart:async';
import 'package:flutter/services.dart';
import 'compress_format.dart';
class Validator {
final MethodChannel channel;
Validator(this.channel);
bool ignoreCheckExtName = false;
bool ignoreCheckSupportPlatform = false;
void checkFileNameAndFormat(String name, CompressFormat format) {
if (ignoreCheckExtName) {
return;
}
name = name.toLowerCase();
if (format == CompressFormat.jpeg) {
assert((name.endsWith(".jpg") || name.endsWith(".jpeg")),
"The jpeg format name must end with jpg or jpeg.");
} else if (format == CompressFormat.png) {
assert(name.endsWith(".png"), "The jpeg format name must end with png.");
} else if (format == CompressFormat.heic) {
assert(
name.endsWith(".heic"), "The heic format name must end with heic.");
} else if (format == CompressFormat.webp) {
assert(
name.endsWith(".webp"), "The webp format name must end with webp.");
}
}
Future<bool> checkSupportPlatform(CompressFormat format) async {
if (ignoreCheckSupportPlatform) {
return true;
}
if (format == CompressFormat.heic) {
if (Platform.isIOS) {
final String version = await channel.invokeMethod("getSystemVersion");
final firstVersion = version.split(".")[0];
final result = int.parse(firstVersion) >= 11;
final msg = "The heic format only support iOS 11.0+";
assert(result, msg);
_checkThrowError(result, msg);
return result;
} else if (Platform.isAndroid) {
final int version = await channel.invokeMethod("getSystemVersion");
final result = version >= 28;
final msg = "The heic format only support android API 28+";
assert(result, msg);
_checkThrowError(result, msg);
return result;
} else {
final msg = "The heic format only support android and iOS.";
assert(Platform.isAndroid || Platform.isIOS, msg);
_checkThrowError(false, msg);
return false;
}
} else if (format == CompressFormat.webp) {
if (Platform.isAndroid || Platform.isIOS) {
return true;
}
var msg = "The webp format only support android and iOS.";
_checkThrowError(false, msg);
return false;
}
return true;
}
void _checkThrowError(bool result, String msg) {
if (!result) {
throw UnsupportedError(msg);
}
}
}

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