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00001 /* 00002 Copyright (C) 2003 by Jorrit Tyberghein 00003 (C) 2003 by Frank Richter 00004 00005 This library is free software; you can redistribute it and/or 00006 modify it under the terms of the GNU Library General Public 00007 License as published by the Free Software Foundation; either 00008 version 2 of the License, or (at your option) any later version. 00009 00010 This library is distributed in the hope that it will be useful, 00011 but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 Library General Public License for more details. 00014 00015 You should have received a copy of the GNU Library General Public 00016 License along with this library; if not, write to the Free 00017 Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 00018 */ 00019 00020 #ifndef __CS_CSTOOL_GRADIENT_H__ 00021 #define __CS_CSTOOL_GRADIENT_H__ 00022 00027 #include "csutil/cscolor.h" 00028 #include "csutil/array.h" 00029 #include "csgfx/rgbpixel.h" 00030 00031 class csGradient; 00032 00036 struct csGradientShade 00037 { 00039 csColor left; 00041 csColor right; 00043 float position; 00044 00046 csGradientShade (); 00048 csGradientShade (csColor left_color, csColor right_color, float pos); 00053 csGradientShade (csColor color, float pos); 00054 }; 00055 00094 class csGradient 00095 { 00096 protected: 00098 csArray<csGradientShade> shades; 00099 public: 00101 csGradient (); 00103 csGradient (csColor first, csColor last); 00104 00106 void AddShade (csGradientShade shade); 00107 00109 void Clear (); 00110 00127 bool Render (csRGBcolor* pal, int count, float begin = 0.0f, 00128 float end = 1.0f) const; 00129 }; 00130 00131 00132 #endif