ViewA.m

//
//  ViewA.m
//  test
//
//  Created by Duncan Wilcox on 5/7/11.
//  Copyright 2011 __MyCompanyName__. All rights reserved.
//

#import "ViewA.h"


@implementation ViewA

- (id)initWithFrame:(NSRect)frame
{
    self = [super initWithFrame:frame];
    if (self) {
        // Initialization code here.
    }
    
    return self;
}

- (void)dealloc
{
    [super dealloc];
}

- (void)drawRect:(NSRect)dirtyRect
{
    [NSGraphicsContext saveGraphicsState];

    // Set a "baseline" clip of the bounds rect.  But by reversing the path, any paths that get
    // appended will "punch a hole" in the bounds rect.
    NSBezierPath * clipPath = [[NSBezierPath bezierPathWithRect:[self bounds]] bezierPathByReversingPath];
    [clipPath appendBezierPath:[NSBezierPath bezierPathWithOvalInRect:NSMakeRect(50, 50, 50, 50)]];
    [clipPath appendBezierPath:[NSBezierPath bezierPathWithRect:NSMakeRect(150, 150, 50, 75)]];
    [clipPath addClip];
                                
    [[NSColor redColor] set];
    [[NSBezierPath bezierPathWithRect:self.bounds] fill];
    
    [NSGraphicsContext restoreGraphicsState];
}

@end