transmission/macosx/NSBezierPathAdditions.m

/******************************************************************************
 * $Id$
 *
 * Copyright (c) 2007-2008 Transmission authors and contributors
 *
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 * copy of this software and associated documentation files (the "Software"),
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 * The above copyright notice and this permission notice shall be included in
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#import "NSBezierPathAdditions.h"
#import "NSApplicationAdditions.h"

@implementation NSBezierPath (NSBezierPathAdditions)

+ (NSBezierPath *) bezierPathWithRoundedRect: (NSRect) rect radius: (CGFloat) radius
{
    if ([NSApp isOnLeopardOrBetter])
        return [self bezierPathWithRoundedRect: rect xRadius: radius yRadius: radius];
    
    CGFloat minX = NSMinX(rect),
            minY = NSMinY(rect),
            maxX = NSMaxX(rect),
            maxY = NSMaxY(rect),
            midX = NSMidX(rect),
            midY = NSMidY(rect);
    
    NSBezierPath * bp = [NSBezierPath bezierPath];
    [bp moveToPoint: NSMakePoint(maxX, midY)];
    [bp appendBezierPathWithArcFromPoint: NSMakePoint(maxX, maxY) toPoint: NSMakePoint(midX, maxY) radius: radius];
    [bp appendBezierPathWithArcFromPoint: NSMakePoint(minX, maxY) toPoint: NSMakePoint(minX, midY) radius: radius];
    [bp appendBezierPathWithArcFromPoint: NSMakePoint(minX, minY) toPoint: NSMakePoint(midX, minY) radius: radius];
    [bp appendBezierPathWithArcFromPoint: NSMakePoint(maxX, minY) toPoint: NSMakePoint(maxX, midY) radius: radius];
    [bp closePath];
    
    return bp;
}

@end