vgalib

vgalib.c

/*
 ============================================================================
 Name        : vgalib.c
 Author      : 
 Version     :
 Copyright   : Your copyright notice
 Description : Hello World in C, Ansi-style
 ============================================================================
 */

#include <stdlib.h>
#include <vga.h>

struct rect{
  int x;                 //Position rechts 
  int y;                 //Position oben
  int width;             //Breite
  int height;            //Hoehe
  int r,g,b;             //Farbe

};

int drawrect(rect mrec){
  
  int i,j=0;
  int c=vga_setrgbcolor(0,100,100);
  //vga_setcolor(c);

   for(i=mrec.x;i<mrec.x+mrec.width;i++)
	   for(j=mrec.y;j<mrec.y+mrec.height;j++)
		   vga_drawpixel(i, j);
   return 1;
}


int main(void)
{
	int i,j;
   if(vga_init())
	   return -1;
   if(vga_setmode(G640x480x16))
	   return -1;

   vga_clear();
   rect r1;
   r1.x=10;
   r1.y=10;
   r1.width=100;
   r1.height=50;
   r1.r=0;
   drawrect(r1);

   //drawrect(120, 10, 100, 50, 16);
   //drawrect(230, 10, 100, 50, 16);

   // sleep(5);
   vga_getch();
   vga_setmode(TEXT);

   return EXIT_SUCCESS;
}



/*
    vga_draw.c - SVGALIB-Malprogramm
*/
#ifdef NEVER

# include <stdio.h>
# include <vga.h>
# include <vgamouse.h>

int main()
 {
  int x, y, x_old, y_old, i, color;
  static unsigned char background[21][21];

  if (vga_getmousetype() == MOUSE_NONE)
   {
    fprintf(stderr, "No mouse configured.\n");
    return(1);
   }

  if (vga_init())
    return(1);

  vga_setmousesupport(1);	/* Maus vorbereiten */

  if (vga_setmode(G640x480x16))
    return(1);

  vga_setpalette(0, 24, 48, 60);	/* Hellblau */
  vga_setpalette(1, 0, 0, 0);		/* Schwarz */

  vga_clear();

  for (i=0; i<448; i++)		/* Palette zeichnen */
   {
    vga_setcolor(1+i/32);
    vga_drawline(0, i, 32, i);
   }
  vga_setcolor(1);	/* Box mit aktueller Farbe */
  vga_drawline(1, 478, 1, 449);
  vga_drawline(1, 478, 31, 478);
  vga_drawline(31, 478, 31, 449);
  vga_drawline(1, 449, 31, 449);
  color = 5;			/* aktuelle Farbe */
  vga_setcolor(color);
  for (i=451; i<477; i++)
    vga_drawline(3, i, 29, i);

  x = x_old = 320;		/* Startkoordinaten */
  y = y_old = 240;

  mouse_setposition(x, y);	/* Maus einstellen */
  mouse_setxrange(10, 629);
  mouse_setyrange(10, 469);
  mouse_setscale(32);

  for (i=0; i<21; i++)
    vga_getscansegment(background[i],
                       x-10, y-10+i, 21);
  vga_setcolor(1);
  vga_drawline(x-10, y, x+10, y);
  vga_drawline(x, y-10, x, y+10);

  do
   {
    mouse_waitforupdate();
    for (i=0; i<21; i++)
      vga_drawscansegment(background[i],
                          x-10, y-10+i, 21);
    x = mouse_getx();
    y = mouse_gety();
    if (mouse_getbutton() == MOUSE_LEFTBUTTON)
     {
      if (x > 32)		/* Zeichenflaeche */
       {
        vga_setcolor(color);
        vga_drawline(x_old, y_old, x, y);
	x_old = x;
	y_old = y;
       }
      else			/* Farbauswahl */
       {
        color = y/32+1;
	vga_setcolor(color);
	for (i=451; i<477; i++)
	  vga_drawline(3, i, 29, i);
       }
     }
    else
     {
      x_old = x;
      y_old = y;
     }
    for (i=0; i<21; i++)
      vga_getscansegment(background[i],
                         x-10, y-10+i, 21);
    vga_setcolor(1);
    vga_drawline(x-10, y, x+10, y);
    vga_drawline(x, y-10, x, y+10);
   }
  while (mouse_getbutton() != MOUSE_RIGHTBUTTON);

  return(0);
 }


/*
    vgagl_demo.c - komplexere Grafik mit der LIBVGAGL
*/

#include <stdio.h>
#include <vga.h>
#include <vgagl.h>
#include "DLabel.h"

int main()
 {
  int mode;
  GraphicsContext gc;
  DLabel label;

  if (vga_init())
    return(1);

  mode = G640x480x16;
  if (vga_setmode(mode))
    return(1);
  gl_setcontextvga(mode);
  gl_getcontext(&gc);	/* GraphicsContext holen */

  vga_setpalette(0, 58, 58, 58);
  vga_clear();

  gl_setcontextvgavirtual(mode);
  label.draw();

#ifdef NEVER
  gl_setfont(8, 8, gl_font8x8);	/* Text vorbereiten */
  gl_setwritemode(FONT_COMPRESSED
    | WRITEMODE_OVERWRITE);
  gl_setfontcolors(15, 1);

  gl_write(10, 10, "Dies ist ein Test.");
  gl_printf(10, 20, "Breite=%d", vga_getxdim());
#endif
  gl_circle(320, 240, 100, 1);
  gl_fillbox(10, 400, 100, 70, 5);

  gl_copyscreen(&gc);	/* Grafik ins Video-RAM */

  vga_getch();		/* auf Taste warten */

  return(0);
 }
#endif