Path: utzoo!utgpu!news-server.csri.toronto.edu!bonnie.concordia.ca!thunder.mcrcim.mcgill.edu!snorkelwacker.mit.edu!usc!wuarchive!uunet!van-bc!ubc-cs!alberta!cpsc.ucalgary.ca!vort!randy From: randy@vort.uucp (Randy Young) Newsgroups: comp.sys.amiga.tech Subject: How get an image with a transparent background color Message-ID: <1991Jan10.162634.690@vort.uucp> Date: 10 Jan 91 16:26:34 GMT Organization: VORT Computing, Calgary, Canada Lines: 12 Hello: I am programming a new game for the amiga. I would like to use the effect that dpaint uses when they pick up a brush and the background color is transparent. I want to be able to draw images to the windows without damaging the background picture. I have done some work with the Image stuctures to draw to a window, but it seems that when I cut a square brush and then use it in my program it erases part of the background. I am not sure of the technique to use, should I use bobs or something like that. Any help would be welcomed. Tanks in advance Randy Young