On Jun 19, 2009, at 12:20 PM, Chunk 1978 wrote:
i'm "attempting" to add a stroke to a rect, and i realized that
NSBezierPath is not available on iPhone SDK, so i'm forced to subclass
the rect...
I would probably start by looking at the QuartzDemo sample code at <http://developer.apple.com/iPhone/library/samplecode/QuartzDemo/
>
my StrokeView:UIView class.m is this:
- (id)initWithFrame:(CGRect)frame {
if (self = [super initWithFrame:frame]) {
frame = CGRectMake(10, 10, 100, 100);
}
Changing frame here does nothing. In general you should not change the
frame anyway - it is set to what the creator of the view wants it to be.
- (void)drawRect:(CGRect)rect
{
CGContextRef context = UIGraphicsGetCurrentContext();
CGContextSetLineWidth(context, 2.0);
CGContextSetStrokeColorWithColor(context, [UIColor
whiteColor].CGColor);
CGContextStrokePath(context);
}
You have not added anything to the current path, so there is nothing
to draw. If you want to stroke a rectangle, then you need to add one
to the path before you stroke it. See the RectDrawingView demo in the
QuartzDemo sample.
#import "StrokeView.h"
[self.view insertSubview:strokeViewClass atIndex:1];
totally doesn't work.
Where did you create the view? If you didn't create a view (either by
alloc/initWithFrame: or by adding it in a NIB and setting up an
outlet) then strokeViewClass is likely nil.
--
David Duncan
Apple DTS Animation and Printing
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