kolourpaint/imagelib/effects/kpEffectFlatten.cpp

   1
   2 /*
   3    Copyright (c) 2003-2007 Clarence Dang <dang@kde.org>
   4    All rights reserved.
   5
   6    Redistribution and use in source and binary forms, with or without
   7    modification, are permitted provided that the following conditions
   8    are met:
   9
  10    1. Redistributions of source code must retain the above copyright
  11       notice, this list of conditions and the following disclaimer.
  12    2. Redistributions in binary form must reproduce the above copyright
  13       notice, this list of conditions and the following disclaimer in the
  14       documentation and/or other materials provided with the distribution.
  15
  16    THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  17    IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  18    OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  19    IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  20    INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  21    NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22    DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23    THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  25    THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26 */
  27
  28
  29 #define DEBUG_KP_EFFECT_FLATTEN 0
  30
  31
  32 #include <kpEffectFlatten.h>
  33
  34 #include <qimageblitz.h>
  35
  36 #include <qimage.h>
  37 #include <qpixmap.h>
  38
  39 #include <kdebug.h>
  40 #include <kglobal.h>
  41
  42 #include <kpPixmapFX.h>
  43
  44
  45 // public static
  46 void kpEffectFlatten::applyEffect (QPixmap *destPixmapPtr,
  47         const QColor &color1, const QColor &color2)
  48 {
  49     if (!destPixmapPtr)
  50         return;
  51
  52     QImage image = kpPixmapFX::convertToQImage (*destPixmapPtr);
  53     applyEffect (&image, color1, color2);
  54     *destPixmapPtr = kpPixmapFX::convertToPixmap (image);
  55 }
  56
  57 // public static
  58 QPixmap kpEffectFlatten::applyEffect (const QPixmap &pm,
  59         const QColor &color1, const QColor &color2)
  60 {
  61     QImage image = kpPixmapFX::convertToQImage (pm);
  62     applyEffect (&image, color1, color2);
  63     return kpPixmapFX::convertToPixmap (image);
  64 }
  65
  66 // public static
  67 void kpEffectFlatten::applyEffect (QImage *destImagePtr,
  68         const QColor &color1, const QColor &color2)
  69 {
  70     if (!destImagePtr)
  71         return;
  72
  73     Blitz::flatten (*destImagePtr/*ref*/, color1, color2);
  74 }
  75
  76 // public static
  77 QImage kpEffectFlatten::applyEffect (const QImage &img,
  78         const QColor &color1, const QColor &color2)
  79 {
  80     QImage retImage = img;
  81     applyEffect (&retImage, color1, color2);
  82     return retImage;
  83 }
  84
  85