PMG

struct BMPFileHeader
{
   unsigned short usType;
    unsigned int uiSize;
    unsigned short usReserved1;
    unsigned short usReserved2;
    unsigned int uiOffBits;
};

struct BMPInfoHeader
{
   unsigned int  uiSize;
    long   lWidth;
    long   lHeight;
    unsigned short usPlanes;
    unsigned short usBitCount;
    unsigned int uiCompression;
    unsigned int uiSizeImage;
    long lXPelsPerMeter;
    long lYPelsPerMeter;
    unsigned int uiClrUsed;
    unsigned int uiClrImportant;
};

BOOL CImage::LoadData(char *path)
{
   FILE *pFile;
   int iEnd,iStart;

   pFile = fopen(path,"rb");

   fseek( pFile, 0, SEEK_END );
   iEnd = ftell( pFile );
   fseek( pFile, 0, SEEK_SET );
   iStart = ftell( pFile );
   iSize = iEnd - iStart;

   pData = new unsigned char[iSize];
   
   if(fread(pData,sizeof(unsigned char),iSize,pFile)!=unsigned(iSize))
      return FALSE;
   
   fclose(pFile);

   LoadBMP();

   return TRUE;
}

BOOL CImage::LoadBMP( void )
{
   BMPFileHeader* fileHeader;
   BMPInfoHeader* infoHeader;
   unsigned int iImageSize;
   unsigned char uiTempRGB;
   unsigned int i;
   unsigned char* ucpFile= pData;

   fileHeader= ( BMPFileHeader* )ucpFile;


   ucpFile  += sizeof( BMPFileHeader );
   infoHeader= ( BMPInfoHeader* )ucpFile;
   

   ucpFile  += sizeof( BMPInfoHeader );
   ucpFile  += fileHeader->uiOffBits;


   iImageSize= fileHeader->uiSize - fileHeader->uiOffBits;
   Create( infoHeader->lWidth, infoHeader->lWidth, infoHeader->usBitCount );

   
   memcpy( pData, ucpFile, iImageSize );


   for( i=0; i<infoHeader->uiSizeImage; i+=3 )
   {
      uiTempRGB     = pData[i];
      pData[i]  = pData[i+2];
      pData[i+2]= uiTempRGB;
   }

   
   return true;
}

class CImage 
{
private:
   int iSize;
   unsigned char *pData;

   int iWidth;
   int iHeight;

   unsigned short chBPP;

   BOOL LoadBMP(GLvoid);
public:   
   BOOL LoadData(char *path);
   BOOL Create( unsigned int uiWidth, unsigned int uiHeight, unsigned short chBPP );
   BOOL Destroy( GLvoid );

glTexImage2D( GL_TEXTURE_2D, 0, iType, m_uiWidth, m_uiHeight,
                 0, iType, GL_UNSIGNED_BYTE, m_ucpData );