/*********************************************
DOSGRAPH.H
Renato Borges & Andre Luiz S. Clinio dos Santos
***********************************************/

#ifndef dg_h
#define dg_h

#ifdef __cplusplus
extern "C" {
#endif

typedef enum { dgCOPY = 0, dgXOR } DgMode;

typedef enum { dgOPENED = 0, dgCLOSED, dgFILL } DgPolyType;

typedef enum { dgBLACK = 0,  dgBLUE,          dgGREEN,
					dgCIAN,       dgRED,           dgMAGENTA,
					dgBROWN,      dgLIGHT_GRAY,    dgGRAY,
					dgLIGHT_BLUE, dgLIGHT_GREEN,   dgLIGHT_CIAN,
					dgLIGHT_RED,  dgLIGHT_MAGENTA, dgYELLOW,
					dgWHITE } DgColor;

typedef enum { dgCLICK1, dgUNCLICK1,
					dgCLICK2, dgUNCLICK2,
					dgMOVE } DgEventType;

typedef struct {
	DgEventType tipo;
	int         x, y;
} DgEvent;

int         far dgOpen(void);
void        far dgClose(void);
int         far dgWidth(void);
int         far dgHeight(void);
void        far dgLine(int x0, int y0, int x1, int y1);
void        far dgRectangle(int x0, int y0, int x1, int y1);
void        far dgFill(int x0, int y0, int x1, int y1);
void        far dgBeginPoly();
void        far dgPolyPoint(int x, int y);
void        far dgEndPoly(DgPolyType type);
void        far dgSetColor(DgColor color);
void        far dgSetMode(DgMode mode);
void        far dgClip(int x0, int y0, int x1, int y1);
DgEventType far dgGetEvent(DgEvent far* ev);

#ifdef __cplusplus
};
#endif

#endif