Small OpenGL based c++ rendering library
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gltexture.h 2.1KB

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  1. /* libsegl - Sebas Extended GL Library
  2. * Collection of Opengl/3D-Math helpers
  3. *
  4. * Copyright (c) 2008 by Sebastian Lohff, seba@seba-geek.de
  5. * http://www.seba-geek.de
  6. *
  7. * This library is free software; you can redistribute it and/or
  8. * modify it under the terms of the GNU Library General Public
  9. * License as published by the Free Software Foundation; either
  10. * version 2 of the License, or (at your option) any later version.
  11. *
  12. * This library is distributed in the hope that it will be useful,
  13. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  15. * Library General Public License for more details.
  16. *
  17. * You should have received a copy of the GNU Library General Public
  18. * License along with this library; if not, write to the
  19. * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
  20. * Boston, MA 02110-1301, USA.
  21. */
  22. #ifndef __GLTEXTUR_H
  23. #define __GLTEXTUR_H
  24. #include <iostream>
  25. #include <string>
  26. #include <vector>
  27. #include <SDL.h>
  28. #include <SDL_image.h>
  29. #include <SDL_opengl.h>
  30. #include "sdlfuncs.h"
  31. namespace segl {
  32. class GLTexture {
  33. private:
  34. GLuint texint;
  35. SDL_Surface *tex;
  36. int width, height;
  37. std::string filename; // wenn von datei geladen
  38. // Parameter
  39. GLint minfilter;
  40. GLint magfilter;
  41. GLint wraps;
  42. GLint wrapt;
  43. bool loaded;
  44. bool texconverted;
  45. bool keepsurface;
  46. bool donotreload;
  47. void init();
  48. bool loadLocalSurface();
  49. void convertLocalSurface();
  50. static std::vector<GLTexture*> alltextures;
  51. protected:
  52. GLTexture(SDL_Surface*);
  53. bool loadSurface(SDL_Surface*, bool = false);
  54. public:
  55. static void reloadAll();
  56. GLTexture();
  57. GLTexture(std::string, GLint=GL_LINEAR, GLint=GL_LINEAR, GLint=GL_REPEAT, GLint=GL_REPEAT);
  58. ~GLTexture();
  59. //load
  60. bool loadImage(std::string);
  61. bool selectTexture();
  62. void unloadTexture();
  63. bool setParameter(GLint=0, GLint=0, GLint=0, GLint=0);
  64. inline bool select() { return selectTexture(); }
  65. int getW();
  66. int getH();
  67. bool isLoaded();
  68. };
  69. } // namespace segl
  70. #endif