Search found 3 matches

by glow
2012-07-08T04:58:39-07:00
Forum: Magick++
Topic: adding alpha channel
Replies: 3
Views: 10832

Re: adding alpha channel

when i set opacity like this to fully transparent it seems to work. i get a completely transparent png:

Code: Select all

cloneBaseImage.opacity(TransparentOpacity);
but when i use it with an integer value i get a fully opaque image:

Code: Select all

cloneBaseImage.opacity(50);
by glow
2012-07-08T04:32:14-07:00
Forum: Magick++
Topic: adding alpha channel
Replies: 3
Views: 10832

Re: adding alpha channel

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 cr...
by glow
2012-07-07T17:06:46-07:00
Forum: Magick++
Topic: adding alpha channel
Replies: 3
Views: 10832

adding alpha channel

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( ...