Re: Odd redraw issue
Re: Odd redraw issue
- Subject: Re: Odd redraw issue
- From: Matt Neuburg <email@hidden>
- Date: Thu, 13 Jul 2006 08:51:33 -0700
- Thread-topic: Odd redraw issue
On Thu, 13 Jul 2006 22:58:19 +1000, Gideon King <email@hidden> said:
>Hi, I have a problem in that drawing a pattern image in a view which
>is in a scroll view makes a mess when the view is scrolled. I created
>a test project and made a custom view, made it a subview of a
>scrollview, and put an image in my project and the only code I had in
>the custom view was the following:
>
>- (void)drawRect:(NSRect)rect {
> [[NSColor whiteColor] set];
> NSRectFill(rect);
> NSColor *tempColor = [NSColor colorWithPatternImage:[NSImage
>imageNamed:@"myImage"]];
> [tempColor set];
> [NSBezierPath fillRect:rect];
>}
>
>And the view is still messed up when I scroll with bits of the image
>being drawn over one another. I tried changing the references to
>"rect" to [self bounds] but it made no difference.
<http://www.cocoabuilder.com/archive/message/2005/3/15/130496>
In other words, don't keep creating the color in your drawRect. Create it
once and store it in an NSImage, and use *that* in your drawRect.
m.
--
matt neuburg, phd = email@hidden, <http://www.tidbits.com/matt/>
A fool + a tool + an autorelease pool = cool!
AppleScript: the Definitive Guide - Second Edition!
<http://www.amazon.com/gp/product/0596102119>
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