Legacy ImageMagick Discussions Archive

For clarification, Pipe to non-image utilities that don't understand image formats. Chopping off the BMP header isn't hard. even weirder "convert.exe 92-all.bmp -print "%[mean]" null.bmp" Returns a value of "23644" which is 0x5C5C Which 'looks' like its Two channel, to me. I would have expected ...

>o you really want a grayscale non-palette format? Why? To Pipe, a non-compressed easy pixel format into other programs without duplicating every pixel's value 3or4 times (RGB or RGBA). BMP is the easiest simplest, and has 0 compression, its a header, and a list of pixels. Another odd thing I've ...

I am fairly sure your all wrong and that gray scale BMP's were supported back in the 'old' days. I seem to recall MSpaint locking out the color palette in that grayscale mode, giving a set of common gray values. As a quick test I opened a RGB channel-copy gray-scale BMP that IM is making, in ...