-type grayscale doesn't work here. -alpha off makes no difference at all. There is no alpha information in the BMP, so the entire channel can be thrown away if need be.
I've reproduced on:
Version: ImageMagick 6.5.7-8 2009-11-26 Q16 http://www.imagemagick.org
Version: ImageMagick 6.6.1-3 2010-04 ...
Search found 2 matches
- 2011-06-21T03:22:41-07:00
- Forum: Users
- Topic: 8bpp BMP files
- Replies: 5
- Views: 15654
- 2011-06-20T05:49:54-07:00
- Forum: Users
- Topic: 8bpp BMP files
- Replies: 5
- Views: 15654
8bpp BMP files
Hello,
Situation: I have a 32-bit BMP file, which (for long and unpleasant reasons) is monochrome. I am attempting to convert this into an 8-bit BMP. (It needs to be 8-bit, even though it is monochrome; I'm interacting with something with a hideously broken image loader. Fixing said image loader is ...
Situation: I have a 32-bit BMP file, which (for long and unpleasant reasons) is monochrome. I am attempting to convert this into an 8-bit BMP. (It needs to be 8-bit, even though it is monochrome; I'm interacting with something with a hideously broken image loader. Fixing said image loader is ...