cstool/gentrtex.h
Go to the documentation of this file.00001 /* 00002 Copyright (C) 2001 by W.C.A. Wijngaards 00003 00004 This library is free software; you can redistribute it and/or 00005 modify it under the terms of the GNU Library General Public 00006 License as published by the Free Software Foundation; either 00007 version 2 of the License, or (at your option) any later version. 00008 00009 This library is distributed in the hope that it will be useful, 00010 but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00012 Library General Public License for more details. 00013 00014 You should have received a copy of the GNU Library General Public 00015 License along with this library; if not, write to the Free 00016 Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 00017 */ 00018 00019 #ifndef __CS_GENTERTEX_H__ 00020 #define __CS_GENTERTEX_H__ 00021 00026 #include "csextern.h" 00027 00028 #include "csgeom/vector2.h" 00029 #include "csutil/cscolor.h" 00030 #include "csutil/scf.h" 00031 00032 struct iImage; 00033 00034 struct csRGBpixel; 00035 00040 class CS_CRYSTALSPACE_EXPORT csGenerateImageValue 00041 { 00042 public: 00044 virtual ~csGenerateImageValue() {} 00046 virtual float GetValue (float x, float y) = 0; 00047 }; 00048 00053 class CS_CRYSTALSPACE_EXPORT csGenerateImageTexture 00054 { 00055 public: 00057 virtual ~csGenerateImageTexture() {} 00059 virtual void GetColor(csColor& col, float x, float y) = 0; 00060 }; 00061 00062 00073 class CS_CRYSTALSPACE_EXPORT csGenerateImage 00074 { 00075 private: 00077 csGenerateImageTexture *tex; 00078 00079 public: 00081 csGenerateImage(); 00083 ~csGenerateImage(); 00084 00089 void SetTexture(csGenerateImageTexture *t) {tex = t;} 00090 00098 iImage *Generate(int totalw, int totalh, int startx, int starty, 00099 int partw, int parth); 00100 }; 00101 00106 class CS_CRYSTALSPACE_EXPORT csGenerateImageLayer 00107 { 00108 public: 00110 float value; 00112 csGenerateImageTexture *tex; 00114 csGenerateImageLayer *next; 00115 }; 00116 00120 class CS_CRYSTALSPACE_EXPORT csGenerateImageTextureSolid : 00121 public csGenerateImageTexture 00122 { 00123 public: 00125 csColor color; 00127 virtual ~csGenerateImageTextureSolid() {} 00129 virtual void GetColor(csColor& col, float, float) {col = color;} 00130 }; 00131 00135 class CS_CRYSTALSPACE_EXPORT csGenerateImageTextureSingle : 00136 public csGenerateImageTexture 00137 { 00138 public: 00140 csRef<iImage> image; 00142 csVector2 scale; 00144 csVector2 offset; 00145 00147 virtual ~csGenerateImageTextureSingle(); 00149 void SetImage(iImage *im); 00151 virtual void GetColor(csColor& col, float x, float y); 00153 void GetImagePixel(iImage *image, int x, int y, csRGBpixel& res); 00155 void ComputeLayerColor(const csVector2& pos, csColor& col); 00156 }; 00157 00162 class CS_CRYSTALSPACE_EXPORT csGenerateImageTextureBlend : 00163 public csGenerateImageTexture 00164 { 00165 public: 00167 csGenerateImageLayer *layers; 00169 csGenerateImageValue *valuefunc; 00171 csGenerateImageTextureBlend(); 00173 virtual ~csGenerateImageTextureBlend(); 00175 virtual void GetColor(csColor& col, float x, float y); 00177 void AddLayer(float value, csGenerateImageTexture *tex); 00178 }; 00179 00180 SCF_VERSION (iGenerateImageFunction, 0, 0, 1); 00181 00186 struct iGenerateImageFunction : public iBase 00187 { 00189 virtual float GetValue (float dx, float dy) = 0; 00190 }; 00191 00192 00197 class CS_CRYSTALSPACE_EXPORT csGenerateImageValueFunc 00198 : public csGenerateImageValue 00199 { 00200 private: 00202 csRef<iGenerateImageFunction> heightfunc; 00203 00204 public: 00205 csGenerateImageValueFunc () { } 00206 virtual ~csGenerateImageValueFunc () 00207 { 00208 } 00209 00211 virtual float GetValue(float x, float y) 00212 { 00213 return heightfunc->GetValue (x, y); 00214 } 00216 void SetFunction (iGenerateImageFunction* func) 00217 { 00218 heightfunc = func; 00219 } 00220 }; 00221 00225 class CS_CRYSTALSPACE_EXPORT csGenerateImageValueFuncConst : 00226 public csGenerateImageValue 00227 { 00228 public: 00230 float constant; 00232 virtual float GetValue(float, float){return constant;} 00233 }; 00234 00239 class CS_CRYSTALSPACE_EXPORT csGenerateImageValueFuncTex : 00240 public csGenerateImageValue 00241 { 00242 public: 00244 csGenerateImageTexture *tex; 00246 virtual ~csGenerateImageValueFuncTex(); 00248 virtual float GetValue(float x, float y); 00249 }; 00250 00251 00252 #endif // __CS_GENTERTEX_H__ 00253
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