Hey,
New to Quartz drawing, and am still hazy on some of the concepts
involved. I use:
_cgContext = CGBitmapContextCreate(NULL, frame.size.width,
frame.size.height, 8, 6 * frame.size.width, colorSpace,
kCGImageAlphaPremultipliedFirst);
To make a context to draw to. I do some drawing stuff. Later, I tag
the view as needing an update, and use this code to do the drawing:
- (void) drawRect:(CGRect)clip
{
CGRect bounds = [self bounds];
CGContextRef context = UIGraphicsGetCurrentContext();
CGImageRef image;
//Copy the contents of the painting context to the view's context
image = CGBitmapContextCreateImage(_cgContext);
CGContextClearRect(context, self.frame);
CGContextDrawImage(context, bounds, image);
CGImageRelease(image);
}
After it is drawn though, the image comes out as being "squished"
vertically. So the x coordinates come out correctly, but the y
coordinates are smaller by a scale. I hope that makes sense. In other
words, something that should have been drawn in the bottom left corner
is still to the left left, but it is up from the bottom. It is like
the resolution of the two contexts is out of whack. Can someone give
me a hand here? What is going on?
Thank You,
Bridger Maxwell
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