// virtual graphics and drawing
// routines to manage display of a UI


typedef unsigned long vcolor;				// holds YUVA

typedef struct vgraph
{
	vcliprect *cr;
	int scalexs;
	int scalexe;
	
	int scaleys;
	int scaleye;
	
	unsigned int backcolor;
	unsigned int pencolor;
	
	
	vfont *font;		// i just release the one I have when I change fonts...   maybe even use a central fontlibrary :)
	
}
	vgraph;
	
int		vgraph_setcanvas(      vgraph *graph, vimage *image );
int		vgraph_setviewscale(   vgraph *graph, int xs,int ys,    int xe,int ye );
int		vgraph_setbackcolor(   vgraph *graph, vcolor backcolor );
int		vgraph_setpencolor(    vgraph *graph, vcolor pencolor );
int		vgraph_setpenthick(    vgraph *graph, int penthick );
int		vgraph_setfont(        vgraph *graph, char *fontname, int fontsize, int fontattributes);
int		vgraph_drawclear(      vgraph *graph                                  );
int		vgraph_drawpoint(      vgraph *graph, int x, int y                    );
int		vgraph_drawline(       vgraph *graph, int x, int y, int w,int h       );
int		vgraph_drawbox(        vgraph *graph, int x, int y, int w,int h       );
int		vgraph_drawrect(       vgraph *graph, int x, int y, int w,int h       );
int		vgraph_drawcircle(     vgraph *graph, int x, int y, int radius        );
int		vgraph_drawellipse(    vgraph *graph, int x, int y, int rx,int ry     );
int		vgraph_drawtext(       vgraph *graph, int x, int y, char *text        );