mirror of https://github.com/koreader/koreader
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
24 lines
948 B
Markdown
24 lines
948 B
Markdown
menu-icon.png is post-processed with:
|
|
|
|
```bash
|
|
convert menu-icon.png -grayscale Rec709Luma -dither Riemersma -remap eink_cmap.gif -quality 75 png:menu-icon-grayscale.png
|
|
```
|
|
|
|
The intent being to grayscale, dither down to the 16c eInk palette, and save as a 16c paletted grayscale PNG.
|
|
Start from an RGB copy of the image if you end up with a 256c or sRGB PNG (check via IM's identify tool).
|
|
|
|
See https://www.mobileread.com/forums/showpost.php?p=3728291&postcount=17 for more details ;).
|
|
|
|
|
|
Zoom direction icons are generated from direction.LRBT.png with:
|
|
|
|
```bash
|
|
convert direction.LRBT.png -rotate 90 direction.TBLR.png
|
|
convert direction.LRBT.png -rotate 180 direction.RLTB.png
|
|
convert direction.LRBT.png -rotate -90 direction.BTRL.png
|
|
convert direction.BTRL.png -flop direction.BTLR.png
|
|
convert direction.LRBT.png -flop direction.RLBT.png
|
|
convert direction.RLTB.png -flop direction.LRTB.png
|
|
convert direction.TBLR.png -flop direction.TBRL.png
|
|
```
|