generic1.c

linux嵌入式开发程序

/*===========================================================================
	2D Graphics Library
	ALL RIGHTS RESERVED, COPYRIGHT (C) FUJITSU LIMITED 1993-2002
	LICENSED MATERIAL - PROGRAM PROPERTY OF FUJITSU LIMITED
 ===========================================================================*/

/*=======================================================================*

	Most simple example of how Graphics library is used

 *=======================================================================*/

#include "gl.h"
#include "color.h"

/*------------------------------------------------------------------------
 *  Definition of parameter
 *
 *  Defines parameter of GL.
 */

#define PAGES		1               /* Number of pages              */
#define STYLES		2               /* Number of line styles        */
#define TILES		2               /* Number of tiles              */
#define IMAGES		2               /* Number of images             */
#define WIDTH		320             /* Number of horizontal pixels  */
#define HEIGHT		240             /* Number of vertical pixels    */
#define TMPAREASIZE	16384           /* Size of temporary buffer     */

#define VRAMTYPE	GL_VRAM16M      /* Type of VRAM                 */
#define VRAMBPP		2               /* Number of bytes per pixel    */
#define PLANES		1               /* Number of Planes             */
#define HOOKTABLE	_GL_defhook16m  /* Hook table for implement     */
	                                /* modules                      */
/*------------------------------------------------------------------------
 *  VRAM area
 *
 *      Defines VRAM area.
 *      In this sample, VRAM area is defined in other source file.
 *      If VRAM area is fixed in hardware, specify address directory.
 *      [Example]
 *      #define Vram (void *)0x00400000
 */

/*------------------------------------------------------------------------
 *  Configuration table
 *
 *  In configuration table, type of VRAM to be used, maximum number of
 *  each definitions, etc. are described.
 */

const GL_CONFIG video_config = {
	VRAMTYPE,	/*VRAMmode ; VRAM type                          */
			/*              GL_VRAM1    (0)  1bit *1plane   */
			/*              GL_VRAM16P  (1)  1bit * 4planes */
			/*              GL_VRAM16   (2)  4bits* 1plane  */
			/*              GL_VRAM256  (3)  8bits* 1plane  */
			/*              GL_VRAM256G (4)  8bits* 1plane  */
			/*              GL_VRAM64K  (5) 16bits* 1plane  */
			/*              GL_VRAM16MP (6)  8bits* 3planes */
			/*              GL_VRAM16MH (7) 16bits* 3planes */
			/*              GL_VRAM16M  (8) 24bits* 1plane  */
	0,		/*VRAMbpl ; bytes per line of VRAM              */
			/*               0:automatic                    */
	(void *)0,	/* VRAMtbl ;    pointer of VRAM address table   */
	&HOOKTABLE,	/* *hook ;      pointer of a hook table         */
	PAGES,		/* pages ;      VRAM pages                      */
	WIDTH,		/* width ;      VRAM width                      */
	HEIGHT,		/* lines ;      VRAM height                     */
	STYLES,		/* styles ;     maximum of line styles          */
	TILES,		/* tiles ;      maximum of tile patterns        */
	IMAGES,		/* images ;     maximum of images               */
	1,		/* linesize ;   standard line size              */
	0		/* ciradj ;     adjustment of circle (n:256)    */
};

/*------------------------------------------------------------------------
 *  Work area
 *
 * This is work area for graphics library. Accurate size of a temporary
 * buffer in this area (defined as TMPAREASIZE here) is depend on type of
 * VRAM, the number of definition of tiles, etc. For detailed information,
 * refer to specification.
 *
 * Work area must be set at 64 bit address boundary. Entry point of work
 * area is corrected in Sample program (UserMain()).
 *
 */

char  glwork[GL_WORKSIZE(PAGES,STYLES,TILES,IMAGES,TMPAREASIZE)+8] ;

/*---------------------------------------------------------------------------
 *  Main program
 *
 *      Most basic example of programming for GL.
 *      Initializes GL, and draw a circle and Draw "OK" in it.
 *
 */

int main()
{
	unsigned char *Vram;
	GL_WP *gp ;
	char	*hello="\0H\0e\0l\0l\0o\0,\0 \0w\0o\0r\0l\0d\0!";
	long	n, workmax ;

	/*-- Begin : Hardware dependence -----------------------*/
	/*                                                      */
	Vram =(unsigned char*)vdc_init();
	/*                                                      */
	/*-- End   : Hardware dependence -----------------------*/
	/* Initialization */

	n = -(long)glwork & 7 ;
	gp = (GL_WP *)((long)glwork+n);
	workmax = sizeof(glwork)-n;
	GL_setup(gp, workmax, Vram, (GL_CONFIG *)&video_config);
	GL_init(gp,0);

	/* Drawing */
	GL_filltype(gp,GL_FILL) ;
	GL_color2(gp,GL_FILLC, White) ;
	GL_circle(gp,128,100,50) ;
	GL_color2(gp,GL_FILLC, Blue) ;
	GL_circle(gp,128,100,40) ;
	GL_sizechar(gp,20,20) ;
	GL_color2(gp,GL_DRAWC, Yellow) ;
	GL_putstr(gp,(short *)hello,13,28,100) ;
	sleep(10);
	vdc_close();
	return 0;
}