Hiptext UTF8 block element rendering!

Provides almost double the resolution by using the unicode upper
block character, "▀", and setting its colour as with the fg colour
and the missing space below it with the bg colour. Clever stuff.

Dockerfile

@@ -16,7 +16,10 @@ RUN apk --no-cache add --virtual build-dependencies \
   && mkdir -p build \
   && cd build \
 
-  # Need glibc for locale support
+  # Need glibc for locale support, not that any UTF8 locales work :/
+  # This PR seems to be the most relevant: https://github.com/andyshinn/alpine-pkg-glibc/issues/13
+  # Note that we're currently having to use this hack in hiptext because of alpine's poor locale support:
+  # https://github.com/tombh/hiptext/commit/bc502af5f6e3b622a9b53d1ffb9a40e74d968ae3
   && wget -q -O /etc/apk/keys/andyshinn.rsa.pub https://raw.githubusercontent.com/andyshinn/alpine-pkg-glibc/master/andyshinn.rsa.pub \
   && wget https://github.com/andyshinn/alpine-pkg-glibc/releases/download/2.23-r1/glibc-2.23-r1.apk \
   && apk --no-cache add glibc-2.23-r1.apk \
@@ -25,7 +28,7 @@ RUN apk --no-cache add --virtual build-dependencies \
   # Watch: https://github.com/jart/hiptext/pull/27
   && git clone https://github.com/tombh/hiptext \
   && cd hiptext \
-  && git checkout ffmpeg-updates \
+  && git checkout ffmpeg-updates-and-unicode-hack \
   && make \
   # Alpine's version of `install` doesn't support the `--mode=` format
   && install -m 0755 hiptext /usr/local/bin \

run.sh

@@ -59,6 +59,7 @@ sleep 1
 # TODO: support dynamic sizing
 hiptext \
   -font /usr/share/fonts/ttf-dejavu/DejaVuSansMono.ttf \
+  --xterm256unicode \
   -bgprint=true \
   $UDP_URI \
   2> ./logs/hiptext.log