//video.h
// 08/18/03 Josh Holtrop

void video_init();
void video_horiz(int y, int x1, int x2, dword color);
void video_vert(int x, int y1, int y2, dword color);
void video_rect(int x1, int y1, int x2, int y2, dword color);
void video_rectf(int x1, int y1, int x2, int y2, dword color);
inline void video_pset(int x, int y, dword color);
void video_psetp(int pixel, dword color);


#define checkBoundsx(x) (x<0 ? x=0 : (x>=video_mode.XResolution ? x=video_mode.XResolution-1 : 0))
#define checkBoundsy(x) (x<0 ? x=0 : (x>=video_mode.YResolution ? x=video_mode.YResolution-1 : 0))

typedef struct{
	USHORT	ModeAttributes;
	UCHAR	WinAAttributes;
	UCHAR	WinBAttributes;
	USHORT	WinGranularity;
	USHORT	WinSize;
	USHORT	WinASegment;
	USHORT	WinBSegment;
	UINT	WinFuncPtr;
	USHORT	BytesPerScanLine;

	USHORT	XResolution;
	USHORT	YResolution;
	UCHAR	XCharSize;
	UCHAR	YCharSize;
	UCHAR	NumberOfPlanes;
	UCHAR	BitsPerPixel;
	UCHAR	NumberOfBanks;
	UCHAR	MemoryModel;
	UCHAR	BankSize;
	UCHAR	NumberOfImagePages;
	UCHAR	Reserved1;

	UCHAR	RedMaskSize;
	UCHAR	RedFieldPosition;
	UCHAR	GreenMaskSize;
	UCHAR	GreenFieldPosition;
	UCHAR	BlueMaskSize;
	UCHAR	BlueFieldPosition;
	UCHAR	RsvdMaskSize;
	UCHAR	RsvdFieldPosition;
	UCHAR	DirectColorModeInfo;

	dword	PhysBasePtr;
	UINT	OffScreenMemOffset;
	USHORT	OffScreenMemSize;
	UCHAR	Reserved[206];
} ModeInfoBlock;