Ok, well I've worked out most of the other issues I've run in to. However the
one I am now unable to really figure out has to do with zooming scroll view
contents and winding up with a clear image. The problem is that I'm not getting
a clear image.
Is it possible to use the built in zooming methods to zoom an image and keep it
clear or do I have to basically implement my own zooming methods. I read the
zooming docs and unfortunately they did not help me to understand what to do.
This is the drawing code from the view that is being zoomed.
-(void)drawLayer:(CALayer*)layer inContext:(CGContextRef)context
{
CGRect newRect = self.bounds;
float scle =CGContextGetCTM(context).a;
CGRect rect =CGContextGetClipBoundingBox(context);
CGContextSaveGState(context);
CGContextSetRGBFillColor(context, 1.0,1.0,1.0,1.0);
CGContextFillRect(context,self.bounds);
CGContextTranslateCTM(context, 0.0, newRect.size.height);
CGContextScaleCTM(context, 1.0, -1.0);
CGContextScaleCTM(context, scle,scle);
CGAffineTransform pdfTransform = CGPDFPageGetDrawingTransform(myPage,
kCGPDFCropBox, newRect, 0, true);
CGContextConcatCTM(context, pdfTransform);
CGContextDrawPDFPage(context, myPage);
CGContextRestoreGState(context);
}
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