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0001 0002 /* 0003 Copyright (c) 2003-2007 Clarence Dang <dang@kde.org> 0004 All rights reserved. 0005 0006 Redistribution and use in source and binary forms, with or without 0007 modification, are permitted provided that the following conditions 0008 are met: 0009 0010 1. Redistributions of source code must retain the above copyright 0011 notice, this list of conditions and the following disclaimer. 0012 2. Redistributions in binary form must reproduce the above copyright 0013 notice, this list of conditions and the following disclaimer in the 0014 documentation and/or other materials provided with the distribution. 0015 0016 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 0017 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 0018 OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 0019 IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 0020 INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 0021 NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 0022 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 0023 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 0024 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 0025 THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 0026 */ 0027 0028 0029 #ifndef kpEffectReduceColors_H 0030 #define kpEffectReduceColors_H 0031 0032 #include <QImage> 0033 0034 // The <depth> specified must be supported by QImage. 0035 class kpEffectReduceColors 0036 { 0037 public: 0038 // TODO: Why isn't applyEffect() for the public API sufficient? 0039 // Ans: See TODO in kpDocument_Save.cpp. Maybe we should rename 0040 // this method? 0041 // 0042 // Also, this can increase the image depth while applyEffect() 0043 // will not. 0044 static QImage convertImageDepth (const QImage &image, int depth, bool dither); 0045 0046 static void applyEffect (QImage *destPixmapPtr, int depth, bool dither); 0047 static QImage applyEffect (const QImage &pm, int depth, bool dither); 0048 }; 0049 0050 0051 #endif // kpEffectReduceColors_H