Characteristics describing an image.

typedef struct _IMAGEBUF {
  ULONG            ulLength;        /*  Length of IMAGEBUF data structure, in bytes. */
  ULONG            ulFlags;         /*  Image buf flag. */
  ULONG            ulType;          /*  Flag indicating type of memory:  VRAM or system.  */
  PBYTE            pBits;           /*  Virtual address of the image. */
  ULONG            ulImgWidth;      /*  Image width, in pels. */
  ULONG            ulImgHeight;     /*  Image height, in pels. */
  ULONG            ulBytesPerScan;  /*  Bytes per scan line. */
  PCOLORINFO       pColorInfo;      /*  Color space of data in buffer. */
  PCODECINFO       pCodecInfo;      /*  Compression type of data in buffer. */
  PCUSTPALINFO     pCustPalInfo;    /*  Pointer to custom palette information. */
} IMAGEBUF;

typedef   IMAGEBUF   * PIMAGEBUF ;