piscisaureus · June 25, 2021 02:12
diff --git a/build.sh b/build.sh
 #!/bin/sh

 # This script generates multi-size .ico files from the highly stylized "simple"
 # Deno logos, designed by HashRock.

 # The complication stems from the fact the the dimensions of the original .png
 # files is 252x252 pixels. Naively rescaling these images to 256x256 or any
 # other power of 2 produces ugly artifacts.

 # Note that the output of the black-and-white logo transformation isn't
 # entirely artifact-free because the source image has some glitches already.

 # ImageMagick must be installed and available in $PATH to run this script.
 # It was written for imagemagick 7.x, but version 6.x probably works too.

 convert                                                                    \
  -size 256x256                                                            \
  \( xc:transparent -fill black -draw "circle 127.5,127.5 127.5,0.1" \)    \
  \( ./bw.png -repage +2+2 \)                                              \
  -background transparent -compose src-over -flatten                       \
  +repage -depth 8                                                         \
  -define icon:auto-resize="256,128,96,64,48,40,32,24,20,16" -compress zip \
  bw.ico

 convert                                                                    \
  -size 256x256                                                            \
  \( xc:transparent -fill white -draw "circle 127.5,127.5 127.5,0.1" \)    \
  \( ./color.png -repage +2+2 \)                                           \
  -background transparent -compose src-over -flatten                       \
  +repage -depth 8                                                         \
  -define icon:auto-resize="256,128,96,64,48,40,32,24,20,16" -compress zip \
  color.ico
diff --git a/bw.ico b/bw.ico
diff --git a/bw.png b/bw.png
diff --git a/color.ico b/color.ico
diff --git a/color.png b/color.png
	#!/bin/sh

	# This script generates multi-size .ico files from the highly stylized "simple"
	# Deno logos, designed by HashRock.

	# The complication stems from the fact the the dimensions of the original .png
	# files is 252x252 pixels. Naively rescaling these images to 256x256 or any
	# other power of 2 produces ugly artifacts.

	# Note that the output of the black-and-white logo transformation isn't
	# entirely artifact-free because the source image has some glitches already.

	# ImageMagick must be installed and available in $PATH to run this script.
	# It was written for imagemagick 7.x, but version 6.x probably works too.

	convert \
	-size 256x256 \
	\( xc:transparent -fill black -draw "circle 127.5,127.5 127.5,0.1" \) \
	\( ./bw.png -repage +2+2 \) \
	-background transparent -compose src-over -flatten \
	+repage -depth 8 \
	-define icon:auto-resize="256,128,96,64,48,40,32,24,20,16" -compress zip \
	bw.ico

	convert \
	-size 256x256 \
	\( xc:transparent -fill white -draw "circle 127.5,127.5 127.5,0.1" \) \
	\( ./color.png -repage +2+2 \) \
	-background transparent -compose src-over -flatten \
	+repage -depth 8 \
	-define icon:auto-resize="256,128,96,64,48,40,32,24,20,16" -compress zip \
	color.ico