On Wed, Sep 23, 2009 at 11:21 PM, Symadept symad...@gmail.com wrote:
Hi,
I am trying to display an Image whose background is transparent as a
buttoncell. Then the application background of my app or the desktop is
visible and when I clicked on it, it focuses to the visible app.
Why it is so happening.
Code goes like this.
Subclassed the NSButtonCell and tried to associate my Buttoncell from IB.
mImage = [NSImage imageNamed:@TransparentImage];
- (void)drawWithFrame:(NSRect)bounds inView:(NSView *)controlView
{
NSRect imageRect = bounds;//[self imageRectForBounds:bounds];
if (mImage != nil) {
[mImage setFlipped:[controlView isFlipped]];
This is not your immediate problem, but -setFlipped: is deprecated, and it's
deprecated because people try to use it like this, which is incorrect.
Please see the AppKit release notes, or, say,
http://www.noodlesoft.com/blog/2009/02/02/understanding-flipped-coordinate-systems/
.
[mImage drawInRect:imageRect fromRect:NSZeroRect operation:
* NSCompositeSourceIn* fraction:1.0];
NSCompositeSourceIn is an unusual compositing operation that you only want
in very specific circumstances. You almost certainly want
NSCompositeSourceOver. This is probably the problem.
}
}
What am I missing here.
Kindly help me in this regards.
Best regards
Mustafa Shaik
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