Legacy ImageMagick Discussions Archive

The PNG developer may have other ideas to suggest.
Oh sorry, I know there are multiple ways to define/talk about bit depth. I and the website are talking about 2 bits per pixel, so up to 4 different colors at once. I'd like to have my images indexed with a bit depth of 2, which works when I feed ...

Thank you for the suggestions

The line
convert src/gfx/test.png -define png:color-depth=2 PNG8:src/gfx/test4.png results in a png of bit-depth 8

for images that start with 3-4 colors, converting the image to a bit depth of 2 works. Sometimes it groups greys that are too close together as the same ...

I'm using Windows 7 but through Cygwin. I'm outputting as png. I just tried it and that sets the depth to 8. There doesn't seem to be a PNG2: option though.

yea, I'm very limited by the other software.

I just tried
convert src/gfx/test.png -define png:color-depth=2 -depth 2 src/gfx/test4.png ...

Hello! I've just started using ImageMagick so I appologize if I'm missing something simple.

I'm working on a project that requires indexed pngs with a Bit Depth of 2. I'm creating the images and converting them using
convert [image location 1] -depth 2 [new image location]

This works perfectly ...