Legacy ImageMagick Discussions Archive

Okay, that makes sense. Converting Truecolour pngs works; identify -verbose lists all the scenes, but plain identify errors out.

Also, it would be nice if the IHDR listed the meaning of the number, ie

png:IHDR.color_type : 2 (Truecolour)

Failing to handle two images with a total more than 256 palette entries gracefully seems to be a bug.

Yes, you need a non-zero delay between images to get separate frames. According to the MNG spec, a sequence of images with zero delay will be combined into one frame.


But the " image->next for ...

I'm having trouble converting some png files into a single mng:

Apparently putting 2 Pallete type images together that have more than 256 colours in total fails:

convert rose: -type Palette rose.png

convert rose: -negate -type Palette neg-rose.png

convert rose.png neg-rose.png rose-and-neg ...