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103 lines
3.1 KiB
C++
103 lines
3.1 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <AK/String.h>
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#include <LibGUI/Icon.h>
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#include <LibGfx/Bitmap.h>
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namespace GUI {
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Icon::Icon()
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: m_impl(IconImpl::create())
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{
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}
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Icon::Icon(const IconImpl& impl)
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: m_impl(const_cast<IconImpl&>(impl))
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{
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}
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Icon::Icon(const Icon& other)
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: m_impl(other.m_impl)
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{
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}
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Icon::Icon(RefPtr<Gfx::Bitmap>&& bitmap)
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: Icon()
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{
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if (bitmap) {
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ASSERT(bitmap->width() == bitmap->height());
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int size = bitmap->width();
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set_bitmap_for_size(size, move(bitmap));
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}
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}
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Icon::Icon(RefPtr<Gfx::Bitmap>&& bitmap1, RefPtr<Gfx::Bitmap>&& bitmap2)
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: Icon(move(bitmap1))
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{
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if (bitmap2) {
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ASSERT(bitmap2->width() == bitmap2->height());
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int size = bitmap2->width();
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set_bitmap_for_size(size, move(bitmap2));
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}
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}
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const Gfx::Bitmap* IconImpl::bitmap_for_size(int size) const
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{
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auto it = m_bitmaps.find(size);
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if (it != m_bitmaps.end())
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return it->value.ptr();
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int best_diff_so_far = INT32_MAX;
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const Gfx::Bitmap* best_fit = nullptr;
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for (auto& it : m_bitmaps) {
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int abs_diff = abs(it.key - size);
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if (abs_diff < best_diff_so_far) {
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best_diff_so_far = abs_diff;
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best_fit = it.value.ptr();
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}
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}
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return best_fit;
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}
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void IconImpl::set_bitmap_for_size(int size, RefPtr<Gfx::Bitmap>&& bitmap)
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{
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if (!bitmap) {
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m_bitmaps.remove(size);
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return;
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}
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m_bitmaps.set(size, move(bitmap));
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}
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Icon Icon::default_icon(const StringView& name)
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{
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auto bitmap16 = Gfx::Bitmap::load_from_file(String::format("/res/icons/16x16/%s.png", name.to_string().characters()));
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auto bitmap32 = Gfx::Bitmap::load_from_file(String::format("/res/icons/32x32/%s.png", name.to_string().characters()));
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return Icon(move(bitmap16), move(bitmap32));
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}
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}
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