On Jul 20, 2010, at 5:32 PM, Mathew Kurian wrote: > I just recently started coding a game in scheme and am noticing an issue when > loading PNGs. > This issue happens RANDOMLY on RANDOM image(s). So, its not just one > particular image. > > well, i forgot to say the issue...the issue is that the images are full > black. The image shape is evident and clear, but is filled with all black. > I capped the memory at 512 MB. > > (define OVERLAY-RED (bitmap "src/bg-overlay/red.png")) ;; ex. of how i load > the images > > Any ideas? > > Lemme show you the issue: > > Picture 1: Notice the RED blood: THIS IS THE GOOD ONE > > http://img829.imageshack.us/img829/4864/65490383.jpg > > Picture 2: Notice the now BLACK blood: I have tried to point it out using > arrows: THIS IS THE ERRORED ONE > > http://img130.imageshack.us/img130/7563/76349361.jpg
First: I'm certainly impressed by the detail of your graphics. Second: It looks to me like this is an alpha channel issue; specifically, it looks like the transparency is being handled correctly, but that the pixel color info is lost. Can you reduce this problem to a five-line program that fails some or all of the time? John Clements
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