Search found 3 matches

by cpc664
2017-01-12T05:47:19-07:00
Forum: Users
Topic: Convert -resize but keep channel depth for blue at 2 bits
Replies: 4
Views: 2332

Re: Convert -resize but keep channel depth for blue at 2 bits

At the moment I use a small script with optipng and advpng :

#! /bin/sh
optipng -i 0 -o 7 $1
advpng -z -4 -i 50 $1
by cpc664
2017-01-12T02:54:27-07:00
Forum: Users
Topic: Convert -resize but keep channel depth for blue at 2 bits
Replies: 4
Views: 2332

Re: Convert -resize but keep channel depth for blue at 2 bits

Thanks, it works but the resulting image is bigger.

My primary goal was to have a lesser resolution image with a smaller file size for web use.
by cpc664
2017-01-03T05:32:10-07:00
Forum: Users
Topic: Convert -resize but keep channel depth for blue at 2 bits
Replies: 4
Views: 2332

Convert -resize but keep channel depth for blue at 2 bits

Hello, using convert v6.8.9-9, I want to resize an image with these characteristics (source is a PNG of an Amstrad CPC screen capture) : Colorspace: sRGB Depth: 8-bit Channel depth: red: 8-bit green: 8-bit blue: 2-bit The result with -resize 21% -depth 8 -type palette comes with a blue channel depth ...