Png reading: 16-bit-per-channel png
Png reading: 16-bit-per-channel png

- Truncated to 8-bit though.
- Only tested with a rather colorless image..
- Duplicates a bit.

lukas-ke/faint-graphics-editor,lukas-ke/faint-graphics-editor,lukas-ke/faint-graphics-editor,lukas-ke/faint-graphics-editor