csgfx/gradient.h
Go to the documentation of this file.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 "csextern.h" 00028 00029 #include "csutil/cscolor.h" 00030 #include "csutil/array.h" 00031 #include "csgfx/rgbpixel.h" 00032 00033 class csGradient; 00034 00038 struct CS_CRYSTALSPACE_EXPORT csGradientShade 00039 { 00041 csColor left; 00043 csColor right; 00045 float position; 00046 00048 csGradientShade (); 00050 csGradientShade (csColor left_color, csColor right_color, float pos); 00055 csGradientShade (csColor color, float pos); 00056 }; 00057 00096 class CS_CRYSTALSPACE_EXPORT csGradient 00097 { 00098 protected: 00100 csArray<csGradientShade> shades; 00101 public: 00103 csGradient (); 00105 csGradient (csColor first, csColor last); 00106 00108 void AddShade (csGradientShade shade); 00109 00111 void Clear (); 00112 00129 bool Render (csRGBcolor* pal, size_t count, float begin = 0.0f, 00130 float end = 1.0f) const; 00131 00133 const csArray<csGradientShade>& GetShades () const { return shades; } 00134 }; 00135 00136 00137 #endif
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