adi_graph.h

BlackFin DSP(ADSP) LCD 文字overlay 显示源码

#ifndef __ADI_GRAPH_H__
#define __ADI_GRAPH_H__

typedef struct
{
	void *canvas;
	int x1, y1, x2, y2;
	int clip_x1, clip_y1, clip_x2, clip_y2;
	int canvas_x, canvas_y;
	int fg_color;
	int bg_color;
	void *font;
	unsigned char line_pattern[8];
	void *reserved1;
	void *reserved2;
} ADI_sGraphPrim;

#define ADI_Swap(v1,v2) { int swap = v1; v1 = v2; v2 = swap; }
#define ADI_SwapIfGreaterThan(v1,v2) if ( v1 > v2 ) ADI_Swap ( v1, v2 )

/* Function Prototypes */
void ADI_Arc ( ADI_sGraphPrim *, double, double ) ;
int  ADI_LookupCommonColor ( const char *, int *, int *, int * );
void ADI_Line ( ADI_sGraphPrim * );
void ADI_CanvasCopyArea ( ADI_sGraphPrim *, ADI_sGraphPrim * );
void ADI_CanvasDelete ( void * );
void *ADI_CanvasGetScreenCanvas ();
void *ADI_CanvasNew ( int, int );
void ADI_Point ( ADI_sGraphPrim * );
void ADI_Rect ( ADI_sGraphPrim * );
void ADI_RectFill ( ADI_sGraphPrim * );
void ADI_Text ( ADI_sGraphPrim *, const char * );
void ADI_TextGetExtent ( ADI_sGraphPrim *, const char * );

#define ADI_COSINE_TABLE_SIZE   256

#endif