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Topic: copy() vs background() (Read 316 times) |
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sanguinarium
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copy() vs background()
« on: Jul 26th, 2004, 4:48pm » |
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probably not a bug, but seen from the outside, it's hard to understand why copy() and background() are not compatible.
why can't a copy() be assigned as background as in:
BImage bg = copy();
background(bg);
the following error is triggered:
"background images should be RGB or RGBA"
1. shouldn't they be compatible?
2. could they be compatible?
---------------------------------- proper example:
[error is thrown on mouse press]
BImage bg;
void setup()
{
size(500, 500);
bg = loadImage("someimage.jpg");
background(bg);
}
void loop()
{
if(mousePressed && pmouseX != 0 && pmouseY != 0) {
line(mouseX, mouseY, pmouseX, pmouseY);
bg=copy();
}
background(bg);
}
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fry
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Re: copy() vs background()
« Reply #1 on: Jul 27th, 2004, 12:27am » |
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hm, i'm guessing it's a bug, though the image functions have been reworked in megabucket, so it won't be a problem.
i think if you just modify your code to say "bg.kind = RGB" (or RGBA if it's rgba data) that oughta work for the background() call. i think the 'kind' field on BImage may not have been copied in copy(). whups.
background() will, however, require that the image is the same size as your applet.
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sanguinarium
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Re: copy() vs background()
« Reply #2 on: Aug 2nd, 2004, 12:45pm » |
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ok. waiting for MB. no big deal. Just wanted to make sure it's noted.
sidekick: .kind on BImage throws a sematic error in both 68 and 69 for me:
bg=copy();
bg.kind = RGB;
background(bg);
Semantic Error: No field named "kind" was found in type "BImage"
-- this just so people won't run for this.
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