Re: Transparency in NSButtonCell
Re: Transparency in NSButtonCell
- Subject: Re: Transparency in NSButtonCell
- From: Matt Ball <email@hidden>
- Date: Sat, 16 Jul 2005 17:33:39 -0400
Well, here's some code:
MBDashboardView.m
- (void)drawRect:(NSRect)rect {
[[NSColor colorWithCalibratedWhite:0.2 alpha:0.7] set];
NSBezierPath *titlebarRect = [self
bezierPathWithRoundTitlebarRectInRect:rect radius:6.0];
[titlebarRect fill];
[titlebarRect release];
[[NSColor colorWithCalibratedWhite:0.05 alpha:0.7] set];
NSBezierPath *contentRect = [self
bezierPathWithRoundContentRectInRect:rect radius:6.0];
[contentRect fill];
[contentRect release];
}
- (NSBezierPath*)bezierPathWithRoundTitlebarRectInRect:(NSRect)aRect
radius:(float)radius
{
NSBezierPath* path = [[NSBezierPath alloc] init];
NSRect rect = NSInsetRect(aRect, radius, radius);
[path appendBezierPathWithArcWithCenter:NSMakePoint(NSMinX(rect),
NSMinY(rect)) radius:radius startAngle: 180.0 endAngle: 270.0];
[path appendBezierPathWithArcWithCenter:NSMakePoint(NSMaxX(rect),
NSMinY(rect)) radius:radius startAngle: 270.0 endAngle:360.0];
[path appendBezierPathWithRect:NSMakeRect(NSMinX(aRect),
NSMinY(aRect) + 6, aRect.size.width, 13)];
[path closePath];
return path;
}
- (NSBezierPath*)bezierPathWithRoundContentRectInRect:(NSRect)aRect
radius:(float)radius
{
NSBezierPath* path = [[NSBezierPath alloc] init];
NSRect rect = NSInsetRect(aRect, radius, radius);
[path appendBezierPathWithArcWithCenter:NSMakePoint(NSMaxX(rect),
NSMaxY(rect)) radius:radius startAngle:0.0 endAngle:90.0];
[path appendBezierPathWithArcWithCenter:NSMakePoint(NSMinX(rect),
NSMaxY(rect)) radius:radius startAngle:90.0 endAngle:180.0];
[path appendBezierPathWithRect:NSMakeRect(NSMinX(aRect),
NSMinY(aRect) + 19, aRect.size.width, NSMaxY(aRect) - radius - 19)];
[path closePath];
return path;
}
MBDashboardButtonCell.m
- (void)drawWithFrame:(NSRect)cellFrame inView:(NSView *)controlView
{
NSImage *leftImage;
NSImage *middleImage;
NSImage *rightImage;
if(![self isHighlighted]) {
leftImage = [NSImage imageNamed:@"dashboardButton-left-normal"];
middleImage = [NSImage
imageNamed:@"dashboardButton-center-normal"];
rightImage = [NSImage
imageNamed:@"dashboardButton-right-normal"];
}
else {
leftImage = [NSImage
imageNamed:@"dashboardButton-left-pressed"];
middleImage = [NSImage
imageNamed:@"dashboardButton-center-pressed"];
rightImage = [NSImage
imageNamed:@"dashboardButton-right-pressed"];
}
[leftImage compositeToPoint:NSZeroPoint
operation:NSCompositeSourceOver fraction:1.0];
[middleImage drawInRect:NSMakeRect([leftImage size].width, 0,
cellFrame.size.width - [leftImage size].width - [rightImage
size].width, [middleImage size].height)
fromRect:NSMakeRect(0,0,[middleImage size].width, [middleImage
size].height) operation:NSCompositeSourceOver fraction:1.0];
[rightImage compositeToPoint:NSMakePoint(cellFrame.size.width -
[rightImage size].width, 0) operation:NSCompositeSourceOver
fraction:1.0];
}
- Matt Ball
On 7/16/05, Andreas Mayer <email@hidden> wrote:
>
> Am 16.07.2005 um 22:27 Uhr schrieb Matt Ball:
>
> > I have an NSWindow subclass with a custom NSView in it that draws the
> > required BezierPaths.
>
> What bezier paths would that be?
>
> > Inside that view, I have my button. Somehow, the
> > button is drawing the entire view as its background.
>
> Sorry, no idea what the reason might be.
>
> I'm doing something similar (I think) with no problems:
>
> http://www.harmless.de/images/adjust-window.png
>
>
> Andreas
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