Re: NSAffineTransform scaleBy not scaling
Re: NSAffineTransform scaleBy not scaling
- Subject: Re: NSAffineTransform scaleBy not scaling
- From: "Stephen J. Butler" <email@hidden>
- Date: Mon, 30 Nov 2009 20:07:46 -0600
On Mon, Nov 30, 2009 at 7:55 PM, Shane
<email@hidden> wrote:
> Anyone see what I'm doing wrong here, or know how to get the
> NSBezierPath to take up 90% of my NSView (leaving 10% blank for
> borders which is what I tried to do below)?
You call concat before you apply the scale. Do the translate, scale,
and then concat.
> - (void) drawRect:(NSRect) rect
> {
> NSRect bounds = [self bounds];
>
> float xAxis = bounds.size.width * 0.9;
> float yAxis = bounds.size.height * 0.9;
>
> [[NSColor blackColor] setFill];
> [NSBezierPath fillRect:bounds];
>
> NSAffineTransform *newTransform = [NSAffineTransform transform];
> [newTransform translateXBy:40.0 yBy:30.0];
> [newTransform concat];
>
> // can't seem to get this transform to work as expected.
> [newTransform scaleXBy:xAxis yBy:yAxis];
>
> [self drawAxes:rect width:xAxis height:yAxis];
> [self drawGraph:rect];
>
> return;
> }
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