//
//  PXPattern.h
//  Pixen-XCode

// Copyright (c) 2003,2004,2005 Open Sword Group

// Permission is hereby granted, free of charge, to any person obtaining a copy

// of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation 
// the rights  to use,copy, modify, merge, publish, distribute, sublicense, 
// and/or sell copies of the Software, and to permit persons to whom
//  the Software is  furnished to do so, subject to the following conditions:

// The above copyright notice and this permission notice shall be included in
//  all copies or substantial portions of the Software.

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
// BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
// CONTRACT, TORT OR OTHERWISE, ARISING FROM,  OUT OF OR IN CONNECTION WITH
// THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

//  Created by Ian Henderson on 07.10.04.
//  Copyright 2004 Open Sword Group. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface PXPattern : NSObject <NSCopying, NSCoding> {
	NSMutableSet *points;
	NSMutableArray *pointsInBounds;
	NSSize size;
}

- (NSSize)size;
- (NSArray *)pointsInPattern;

- (void)setSize:(NSSize)newSize;
- (void)setPoints:(NSMutableSet *)newPoints;

- (BOOL)hasPixelAtPoint:(NSPoint)point;
- (void)togglePoint:(NSPoint)point;
- (void)addPoint:(NSPoint)point;
- (void)removePoint:(NSPoint)point;

- (void)drawRect:(NSRect)rect;

@end
