Legacy ImageMagick Discussions Archive

when i set opacity like this to fully transparent it seems to work. i get a completely transparent png: but when i use it with an integer value i get a fully opaque image:

i cant find anything which set an alpha channel in magick++. the only thing which comes near is image.matte("TRUE"). description from the docu is: True if the image has transparency. If set True, store matte channel if the image has one otherwise create an opaque one. but this has no effect. also ...

Hey Guys, i started working with magick++ and i have a problem. I open a png file and like to make it transparent. but everything i tried is not working: Image baseImage; //create base image baseImage.read("./img/desert.png"); //read file //stuff i tried baseImage.magick( "RGBA" ); baseImage.matte ...