Legacy ImageMagick Discussions Archive

Thanks snibgo. I've now proved that I can change pixels in the array and write it back, so I'm not doing something wrong with MagickWand. My code must be corrupting something.

Hi all, I'm just starting to use MagickWand's C API. I'm using it for testing some low-level pixel-level operations. I use MagickWand to open a file, I export the pixels into my own malloc'd array, mess around with it a bit and import the array back into the same image and wand. Then when I write ...