Legacy ImageMagick Discussions Archive

Yea and I can just use Image Magick.
P.S. Will hope that professor let me use only .tiff because in the task I need to convert 24bit BMP to BMP(RLE), TIFF(LZW), JPEG(Standard Encoding).
P.P.S. Thanks again!

I've tried Photoshop(not the newest), and I can save image to BMP in Windows or OS/2 mode, and there is also a checkbox for RLE compression, but this checkbox can't be enabled :|.

I need it just to compare times for different compression algorithms. Since OS/2 v2 bmp is unreadable without special ...

I think you tried to read OS/2 BMP v1, which is practically identical to Windows bitmap v2. See http://fileformats.archiveteam.org/wiki/BMP. (Propably you see the following message when you read the file:
identify: length and filesize do not match `fv200.bmp' @ warning/bmp.c/ReadBMPImage/842 ...

try

magick identify -verbose .\mt_rle.bmp

and see what the compress lists. I do not think it shows in a simple magick identify

or

magick identify .\mt_rle.bmp -format "%C" info:


I used 1st command. Here is what I got: https://pastecode.xyz/view/659328d8

But seems like user 246246 ...

Hello,
I'm trying to compress bmp image using RLE into bmp.
I don't know what I'm doing wrong. The compression does nothing.

So I'm using the command:
magick convert .\matterhorn.bmp -compress RLE BMP3:mt_rle.bmp

After this I check the images with:
magick identify .\matterhorn.bmp .\mt_rle.bmp ...