gecko-dev/chimera/CHImageAdditions.m
2002-04-20 07:21:10 +00:00

37 lines
1.2 KiB
Objective-C

#import "CHImageAdditions.h"
#import <Cocoa/Cocoa.h>
@implementation NSImage (CHImageAdditions)
- (void) drawFlippedInRect:(NSRect) rect operation:(NSCompositingOperation) op fraction:(float) delta {
CGContextRef context;
context = [[NSGraphicsContext currentContext] graphicsPort];
CGContextSaveGState( context ); {
CGContextTranslateCTM( context, 0, NSMaxY( rect ) );
CGContextScaleCTM( context, 1, -1 );
rect.origin.y = 0;
[self drawInRect:rect fromRect:NSZeroRect operation:op fraction:delta];
} CGContextRestoreGState( context );
}
- (void) drawFlippedInRect:(NSRect) rect operation:(NSCompositingOperation) op {
[self drawFlippedInRect:rect operation:op fraction:1.0];
}
- (void)applyBadge:(NSImage*)badge withAlpha:(float)alpha scale:(float)scale
{
if (!badge)
return;
[badge setScalesWhenResized:YES];
[badge setSize:NSMakeSize([self size].width * scale,[self size].height * scale)];
[self lockFocus];
[[NSGraphicsContext currentContext] setImageInterpolation:NSImageInterpolationHigh];
[badge dissolveToPoint:NSMakePoint([self size].width - [badge size].width,0) fraction:alpha];
[self unlockFocus];
}
@end