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Texture.h

gehe zur Dokumentation dieser Datei

#ifndef __Texture_h_
#define __Texture_h_

class CTexture;

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <windows.h>
#include <GL/gl.h>
#include <GL/glu.h>

// PCX Image File
typedef struct tagPCXHEADER
{
        char Manufacturer;  // always 0X0A
        char Version;  // version number
        char Encoding;  // always 1
        char BitsPerPixel;  // color bits
        WORD Xmin, Ymin;  // image origin
        WORD Xmax, Ymax;  // image dimensions
        WORD Hres, Vres;  // resolution values
        BYTE ColorMap[16][3];  // color palette
        char Reserved;
        char ColorPlanes;  // color planes
        WORD BytesPerLine;  // line buffer size
        WORD PaletteType;  // grey or color palette
        char Filter[58];
} *LPPCXHEADER;

#define PCX_MAGIC                       0X0A                    // PCX magic number
#define PCX_256_COLORS          0X0C                    // magic number for 256 colors
#define PCX_HDR_SIZE            128                             // size of PCX header
#define PCX_MAXCOLORS           256
#define PCX_MAXPLANES           4
#define PCX_MAXVAL                      255

#define MAX_TEXTURE_NAME_LENGTH 64

class CTexture
{
public:

        CTexture();
        ~CTexture();

        // Create and load the files.
        bool LoadBMP (char *szFileName, bool mipmap);
        bool LoadBMP (char *szFileName);
        bool LoadPCX (BYTE *data, bool mipmap);
        bool LoadPCX (BYTE *data);
        bool LoadRAW (char *szFileName);
        void Free ();
        void Use ();

        int getWidth();
        int getHeight();

private:

        // Generates the nesessary internal data.
        bool Create (bool mipmap);

        // PCX helper functions
        bool PCX_PlanesToPixels(BYTE *pixels, BYTE *bitplanes, short bytesperline, short planes, short bitsperpixel);
        bool PCX_UnpackPixels(BYTE *pixels, BYTE *bitplanes, short bytesperline, short planes, short bitsperpixel);

        // Status information.
        unsigned int m_nID;
        int m_nWidth, m_nHeight, m_nBits;
};

#endif

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