Legacy ImageMagick Discussions Archive

On the doc page https://www.imagemagick.org/script/porting.php most this phrase is hidden: animate, compare, composite, conjure, convert, display, identify, import, mogrify, montage, stream Makes it difficult to word search! The fix is to modify the CSS https://www.imagemagick.org/css/magick.php ...

Are you sure? IM v.7 does not have identify.exe as far as I know. Maybe you have a PATH to v.6.
The new syntax is "magick -identify"

The difference is because v6 has a default "-channel" of "RGB,Sync" where v7's default is "RGBA,Sync". If we want the same result, we need to explicitly set "-channel". The docs say the default in 7 is "RGBK,Sync". Edit: that is in https://www.imagemagick.org/script/command-line-options.php But it ...

Thanks, that looks great and must match what IM does internally. If it misses on a corner case, no big deal, I've still saved processing time in the other 99% of cases.

Yeah, that's what I'm thinking. I'd like to avoid reproducing the logic that does "-resize 100x100>", though I guess it's a standard enough algorithm. (Though not standard enough that Wordpress does it right! Until recently WP was often off-by-one on the rounding.) I'm looking for the new width and ...

Before I resize an image, I'd like to get the new dimensions. Rather than write code to calculate the new dimensions, can I just get Imagemagick to do it? Something like but without processing the resize.

keywords: trial run, test

To reduce the file size, try "-colors 256" and see how it looks: convert icon-32.bmp icon-64.bmp icon-128.bmp icon-256.bmp -colors 256 myicon.ico Note, -depth does not reduce the file size. More keywords to make this thread easier to find: favicon page multipage (the frames are called "pages ...