when multiple fingers are detected, remove all widgets in order to avoid accidental commands
/*
* Hedgewars-iOS, a Hedgewars port for iOS devices
* Copyright (c) 2009-2010 Vittorio Giovara <vittorio.giovara@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* File created on 08/04/2010.
*/
#import <Foundation/Foundation.h>
@interface UIImage (extra)
CGFloat getScreenScale(void);
-(UIImage *)scaleToSize:(CGSize) size;
-(UIImage *)mergeWith:(UIImage *)secondImage atPoint:(CGPoint) secondImagePoint;
-(id) initWithContentsOfFile:(NSString *)path andCutAt:(CGRect) rect;
-(UIImage *)cutAt:(CGRect) rect;
-(UIImage *)convertToGrayScale;
-(UIImage *)convertToNegative;
-(UIImage *)maskImageWith:(UIImage *)maskImage;
-(UIImage *)makeRoundCornersOfSize:(CGSize) sizewh;
+(UIImage *)whiteImage:(CGSize) ofSize;
@end