Texture.h

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/* -*- Mode: CC; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 5 -*- */

/*
 *   The Texture class contains methods for loading textures from disk and 
 *   binding textures in OpenGL. The class also provides a mechanism for
 *   mapping textures to names (strings) for easy reference.
 */
 
/*
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Hash: SHA1

Created by Daniel Aarno on Tue Mar 11 2003.
Copyright (c) 2004 by Daniel Aarno - <macbishop@users.sf.net>
M. Sc. in Electrical Engineering - http://www.e.kth.se/~e98_aar

All Rights Reserved
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*/

#ifndef _TEXTURE_
#define _TEXTURE_

#if defined(__APPLE__) || defined(MACOSX)
#ifndef OPENGL_IN_PREFIX_HEADER
#include <OpenGL/gl.h>
#endif
#else
#include <GL/gl.h>
#endif

#include <tiffio.h>
#include <string>
#include <map>

typedef std::map< std::string, int, std::less<std::string> > IntNameMap;

class ImageHandle
{
friend class Texture;

protected:
     char* data;
     short width, height;
     size_t blockSize;

public:
     ImageHandle() : data(NULL), width(0), height(0) {}
     ~ImageHandle() { if(data) delete[] data; }

     void CopyData(char* dest);
     
     //Query functions
     short GetWidth() { return width; }
     short GetHeight() { return height; }
     short GetBlockSize() { return blockSize; }
};

class Texture
{
protected:
     static IntNameMap textureMap;
          
public:
     static int LoadTIFFImage(ImageHandle& image, const char path[]);

     static int LoadAndBindTexture(GLuint *tex, const char path[]);


     static int LoadAndBindTexture(GLuint *tex, 
                                   const char path[], 
                                   GLuint mode);

     static int LoadTextureForName(const char name[], const char path[]);

     static int GetTextureByName(const char name[]);

     static void FreeTextureForName(const char name[]);
};

#endif //_TEXTURE_

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