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VHEADER.H
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C/C++ Source or Header
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1993-01-31
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2KB
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89 lines
/* vheader.h -------------- VESA HEADER info --------------- January 1993 */
/* Written by Don Lewis. <djlewis@ualr.edu> <djlewis@spider.ualr.edu> */
/* structure of SVGA information to tie to 'C' functions. I threw in */
/* the PCX and TARGA header info to make it easy to read and display */
/* those types of pictures. I have already written PCX code for Hi-color */
/* picture display. */
#ifndef _vheader_h_
#define _vheader_h_
#define _Cdecl cdecl
/* VESA video card Information block */
struct VgaInfoBlock {
char VESASignature[4];
int VESAVersion;
unsigned long *OEMStringPtr;
long Capabilities;
unsigned int *VideoModePtr;
int TotalMemory;
char Reserved[236];
} ;
/* VESA video card capabilities block */
struct ModeInfoBlock {
int ModeAttributes;
char WinAAttributes;
char WinBAttributes;
int WinGranularity;
int WinSize;
unsigned int WinASegment;
unsigned int WinBSegment;
unsigned long *WinFuncPtr;
int BytesPerScanLine;
int XResolution;
int YResolution;
char XCharSize;
char YCharSize;
char NumberOfPlanes;
char BitsPerPixel;
char NumberOfBanks;
char MemoryModel;
char BankSize;
char NumberOfImagePages;
char SizeOfBank;
char RedMaskSize;
char RedFieldPosition;
char GreenMaskSize;
char GreenFieldPosition;
char BlueMaskSize;
char BlueFieldPosition;
char RsvdMaskSize;
char RsvdFieldPosition;
char DirectColorModeInfo;
char Reserved[216];
} ;
/* TARGA picture file header structure */
struct TargaHdStruct {
char textSize;
char mapType;
char dataType;
int mapOrig;
int mapLength;
char CMapBits;
int XOffset;
int YOffset;
int x;
int y;
char dataBits;
char imType;
};
/* PCX picture file header structure */
struct PCXHEAD {
char manufacturer;
char version;
char encoding;
char bits_per_pixel;
int xmin, ymin;
int xmax, ymax;
int hres, vres;
char palette[48];
char reserved;
char colour_planes;
int bytes_per_line;
int filler[58];
};
#endif