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- /*!
- * \file include/Texture.h
- * \brief Texture registry
- *
- * \author Mongoose
- * \author xythobuz
- */
-
- #ifndef _TEXTURE_H
- #define _TEXTURE_H
-
- #include <stdio.h>
-
- /*!
- * \brief Texture registry
- */
- class Texture {
- public:
-
- enum ColorMode {
- GREYSCALE = 1,
- RGB,
- RGBA,
- ARGB
- };
-
- enum TextureFlag {
- fUseMipmaps = (1 << 0),
- fUseMultiTexture = (1 << 1),
- };
-
- /*!
- * \brief Constructs an object of Texture
- */
- Texture();
-
- /*!
- * \brief Deconstructs an object of Texture
- */
- ~Texture();
-
- /*!
- * \brief Generates a texture buffer with (width * height * 4) bytes.
- * \param rgba 32bpp RGBA color to fill into buffer
- * \param width width of newly allocated buffer, power of 2, pref same as height
- * \param height height of newly allocated buffer, power of 2, pref same as width
- * \returns newly allocated texture buffer filled with specified color
- */
- static unsigned char *generateColorTexture(unsigned char rgba[4],
- unsigned int width,
- unsigned int height);
-
- /*!
- * \brief Get number of textures in use
- * \returns used texture count, or -1 on error (uninitialized)
- */
- int getTextureCount();
-
- /*!
- * \brief Sets up multitexture rendering with passed ids
- * \param texture0 first texture for multitexture
- * \param texture1 second texture for multitexture
- */
- void bindMultiTexture(int texture0, int texture1);
-
- /*!
- * \brief Binds the texture for use in GL
- * \param n valid texture index
- */
- void bindTextureId(unsigned int n);
-
- /*!
- * \brief Clears an option flag
- * \param flag flag to clear
- */
- void clearFlag(TextureFlag flag);
-
- void disableMultiTexture();
-
- /*!
- * \brief Loads Buffer as texture
- * \param image pixmap matching other params
- * \param width width of image
- * \param height height of image
- * \param mode mode of image
- * \param bpp bits per pixel of image
- * \returns texture ID or < 0 on error
- */
- int loadBuffer(unsigned char *image,
- unsigned int width, unsigned int height,
- ColorMode mode, unsigned int bpp);
-
- /*!
- * \brief Loads Buffer as texture
- * \param image pixmap matching other params
- * \param width width of image
- * \param height height of image
- * \param mode mode of image
- * \param bpp bits per pixel of image
- * \param slot slot (ID) of image
- * \returns texture ID or < 0 on error
- */
- int loadBufferSlot(unsigned char *image,
- unsigned int width, unsigned int height,
- ColorMode mode, unsigned int bpp,
- unsigned int slot);
-
- /*!
- * \brief Generates and loads a solid color texture.
- * \param rgba color for new texture
- * \param width width of new texture
- * \param height height of new texture
- * \returns texture ID or -1 on error
- */
- int loadColorTexture(unsigned char rgba[4],
- unsigned int width, unsigned int height);
-
- /*!
- * \brief Loads TGA file as texture
- * \param filename Existing TGA file
- * \returns ID of new texture or -1 on error
- */
- int loadTGA(const char *filename);
-
- int loadPCX(const char *filename);
-
- /*!
- * \brief Resets all texture data
- */
- void reset();
-
- /*!
- * \brief Sets an option flag
- * \param flag flag to set
- */
- void setFlag(TextureFlag flag);
-
- /*!
- * \brief Sets up GL texturing.
- *
- * Must be called as first setup step!
- * \param n maximum number of textures you wish to allow
- */
- void setMaxTextureCount(unsigned int n);
-
- void useMultiTexture(float u, float v);
-
- void useMultiTexture(float aU, float aV, float bU, float bV);
-
- private:
-
- int nextPower(int seed);
-
- unsigned char *scaleBuffer(unsigned char *image, int width, int height,
- int components);
-
- unsigned int *mTextureIds; //!< GL texture list
- unsigned int mTextureCount; //!< Texture counter
- unsigned int mTextureLimit; //!< The texture limit
- unsigned int mFlags; //!< Class options
- int mTextureId; //!< Currently bound texture id
- int mTextureId2; //!< Multitexture Texture Id
- };
-
- #endif
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