>I have a problem with Turbo C because I am trying make to following program
work with a Hercules graphics card :
>/* filename : X-J29.C
> purpose : having fun with Turbo C Graphics Library (screen saver)
> requires CGA/EGA/VGA*/
>
>/* include header files */
>#include <graphics.h>
>#include <stdlib.h>
>#include <conio.h>
>#include <stdio.h>
>
>main()
>{
> {
>
> int graphmode, graphdriver = DETECT;
> int color;
> int i, j, x, y;
> struct viewporttype vp;
> int height, width;
> int maxcolors;
> struct palettetype palette;
>
> if (registerbgidriver(Herc_driver) < 0) exit(1);
> if (registerbgidriver(EGAVGA_driver) < 0) exit(1);
> if (registerbgidriver(CGA_driver) < 0) exit(1);
>
> initgraph(&graphdriver, &graphmode, "");
> graphdefaults();
>
> maxcolors = getmaxcolor() + 1;
>
> getviewsettings( &vp );
> width = (vp.right - vp.left) / 15; /* get width of the box */
> height = (vp.bottom - vp.top) / 10; /* Get the height of the box */
> x = y = 0; /* Start in upper corner */
> color = 1; /* Begin at 1st color */
> for( j=0 ; j<10 ; ++j ){ /* For 10 rows of boxes */
> for( i=0 ; i<15 ; ++i ){ /* For 15 columns of boxes */
> setfillstyle( SOLID_FILL, color++ ); /* Set the color of box
*/
> bar( x, y, x+width, y+height ); /* Draw the box */
> x += width + 1; /* Advance to next col
*/
> color = 1 + (color % (maxcolors - 2)); /* Set new color */
> } /* End of COLUMN loop */
>x = 0; /* Goto 1st column */
>y += height + 1; /* Goto next row */
> } /* End of ROW loop */
> while( !kbhit() ){ /* Until user enters a key...*/
> setpalette( 1+random(maxcolors - 2), random( 65 ) );
> }
> setallpalette( &palette );
>
> getche();
> closegraph();
> return;
>
> }
>} /* End of program */
>
>If you have any suggestions, email me at [EMAIL PROTECTED]
>
>
>
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