Legacy ImageMagick Discussions Archive

Thanks fmw42, I will see which of these i can use until they fix other programs to do this.

Programs like iview and others when you save a PNG or GIF it detects the background color and sets it as the color to use for transparency, usually puts it as first color. I thought transparent-color can do something but if it can't then fine, i will look for another program.

I want to convert a 24bit images png. bmp etc to 8bit png and always detect the background color and set it as color #1 of the palette in a color map, so that it automatically become sthe binary transparency of an image. In the past irfanview did that but now it always gives me a wrong color: is ...