1 // 2 // PRTraceEdges.h 3 // PRICE 4 // 5 // Created by Riccardo Mottola on Wed Jan 14 2004. 6 // Copyright (c) 2004-2008 Carduus. All rights reserved. 7 // 8 // This application 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; either version 2 of the License, or (at your option) any later version. 9 // 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. 10 11 12 #import <AppKit/AppKit.h> 13 #import "PRFilter.h" 14 15 16 @interface PRTraceEdges : PRFilter 17 { 18 19 } 20 21 - (PRImage *)edgeImage :(PRImage *)srcImage :(int)filterType :(BOOL)useThreshold :(float)thresholdLevel :(BOOL)useZeroCross; 22 23 @end 24