import

DSTexCompress/FreeImage/Examples/OpenGL/TextureManager/TextureManager.h

@@ -0,0 +1,51 @@
+//**********************************************
+//Singleton Texture Manager class
+//Written by Ben English
+//benjamin.english@oit.edu
+//
+//For use with OpenGL and the FreeImage library
+//**********************************************
+
+#ifndef TextureManager_H
+#define TextureManager_H
+
+#include <windows.h>
+#include <gl/gl.h>
+#include "FreeImage.h"
+#include <map>
+
+class TextureManager
+{
+public:
+	static TextureManager* Inst();
+	virtual ~TextureManager();
+
+	//load a texture an make it the current texture
+	//if texID is already in use, it will be unloaded and replaced with this texture
+	bool LoadTexture(const char* filename,	//where to load the file from
+		const unsigned int texID,			//arbitrary id you will reference the texture by
+											//does not have to be generated with glGenTextures
+		GLenum image_format = GL_RGB,		//format the image is in
+		GLint internal_format = GL_RGB,		//format to store the image in
+		GLint level = 0,					//mipmapping level
+		GLint border = 0);					//border size
+
+	//free the memory for a texture
+	bool UnloadTexture(const unsigned int texID);
+
+	//set the current texture
+	bool BindTexture(const unsigned int texID);
+
+	//free all texture memory
+	void UnloadAllTextures();
+
+protected:
+	TextureManager();
+	TextureManager(const TextureManager& tm);
+	TextureManager& operator=(const TextureManager& tm);
+
+	static TextureManager* m_inst;
+	std::map<unsigned int, GLuint> m_texID;
+};
+
+#endif