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WGT06.C
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C/C++ Source or Header
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1992-09-08
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1KB
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53 lines
#include <conio.h>
#include <wgt.h>
/* WORDUP Graphic Toolkit Version 3.0
Demonstration program 6
Draws vertical lines of different colours, waits for a key, then
fades the colours in and out.
*/
int x,y,col;
color palette[255];
void main(void)
{
vga256(); // initializes system
for (y=0; 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
wsetpalette(0,255,palette); // and finally change them
// all at once
for (y=0; y<200; y++) // draw lines down the screen
{
wsetcolor(y);
wline(0,y,319,y);
}
getch();
wfade_out(0,255,40,palette);
delay(1000);
wfade_in(1,255,40,palette);
wfade_out(25,50,0,palette);
wfade_out(50,75,0,palette);
wfade_out(75,100,0,palette);
wfade_out(100,125,0,palette);
wfade_out(125,150,0,palette);
wfade_out(150,175,0,palette);
wfade_out(175,200,0,palette);
getch(); // get the key
textmode(C80); // used to return to text mode
}