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WGT09.C
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C/C++ Source or Header
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1992-09-08
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57 lines
#include <conio.h>
#include <wgt.h>
/* WORDUP Graphics Toolkit Version 3.0
Demonstration program 9
Shows how the block functions work
*/
int i,x,y;
color palette[256];
block screen1; // a full screen
block part1; // part of the screen
void main(void)
{
vga256(); // initializes system
for (y=1; y<64; y++)
wsetrgb(y,y,y,y,&palette); // sets first 64 colours to grey
// note the use of &
for (y=0; y<64; y++)
wsetrgb(y+64,y,0,0,&palette); // next 64 to red
for (y=0; y<64; y++)
wsetrgb(y+128,0,y,0,&palette); // green
for (y=0; y<64; y++)
wsetrgb(y+192,0,0,y,&palette); // blue
wsetrgb(1,63,63,63,&palette); // sets color 1 to white
wsetpalette(0,255,palette); // and finally change them
// all at once
for (i=1; i<200; i++)
{
wsetcolor(i);
wline(0,i,319,i);
}
screen1=wnewblock(0,0,319,199); // capture the entire screen
part1=wnewblock(100,100,150,150); // get a part of the screen
wcls(0);
do {
x=rand() % 320;
y=rand() % 200;
wputblock(x,y,part1,0); // put the part somewhere
} while (!kbhit());
getch();
wputblock(0,0,screen1,0); // replace the mess with the
// original screen
getch(); // get the key
wfreeblock(screen1); // *** make sure to free the memory!
wfreeblock(part1);
textmode(C80); // used to return to text mode
}