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Try to be more resolution independent

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git-svn-id: svn://svn.cc65.org/cc65/trunk@2649 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz 2003-11-12 16:32:25 +00:00
parent ad2c6a0e18
commit f174cda3d0
1 changed files with 26 additions and 16 deletions
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42
samples/tgidemo.c
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@ -56,7 +56,7 @@ static unsigned YRes;
/*****************************************************************************/
/* Code */
/* Code */
/*****************************************************************************/
@ -90,15 +90,17 @@ static void DoCircles (void)
static const unsigned char Palette[2] = { COLOR_WHITE, COLOR_LIGHTRED };
unsigned char I;
unsigned char Color = 1;
unsigned X = XRes / 2;
unsigned Y = YRes / 2;
tgi_setpalette (Palette);
while (!kbhit ()) {
tgi_setcolor (1);
tgi_line (0, 0, 319, 199);
tgi_line (0, 199, 319, 0);
tgi_line (0, 0, XRes-1, YRes-1);
tgi_line (0, YRes-1, XRes-1, 0);
tgi_setcolor (Color);
for (I = 10; I < 240; I += 10) {
tgi_circle (160, 100, I);
tgi_circle (X, Y, I);
}
Color ^= 0x01;
}
@ -140,18 +142,21 @@ static void DoCheckerboard (void)
static void DoDiagram (void)
{
static const unsigned char Palette[2] = { COLOR_WHITE, COLOR_BLACK };
unsigned X;
unsigned X, I;
tgi_setpalette (Palette);
tgi_setcolor (1);
tgi_line (10, 10, 10, 190);
tgi_lineto (310, 190);
tgi_line (10, 10, 10, YRes-10);
tgi_lineto (XRes-10, YRes-10);
tgi_line (8, 12, 10, 10);
tgi_lineto (12, 12);
tgi_line (308, 188, 310, 190);
tgi_lineto (308, 192);
for (X = 0; X < sizeof (SinusTable); ++X) {
tgi_setpixel (X+10, SinusTable[X]);
tgi_line (XRes-12, YRes-12, XRes-10, YRes-10);
tgi_lineto (XRes-12, YRes-8);
for (I = 0, X = 10; X < XRes-10; ++X) {
tgi_setpixel (X, SinusTable[I]);
if (++I >= sizeof (SinusTable)) {
I = 0;
}
}
cgetc ();
@ -159,6 +164,7 @@ static void DoDiagram (void)
}
static void DoLines (void)
{
static const unsigned char Palette[2] = { COLOR_WHITE, COLOR_BLACK };
@ -167,17 +173,19 @@ static void DoLines (void)
tgi_setpalette (Palette);
tgi_setcolor (1);
for (X = 0; X < 200; X+=10) {
tgi_line(0, 0, 200, X);
tgi_line(0, 0, X, 200);
tgi_line(200, 200, 0, 200-X);
tgi_line(200, 200, 200-X, 0);
for (X = 0; X < YRes; X+=10) {
tgi_line (0, 0, YRes, X);
tgi_line (0, 0, X, YRes);
tgi_line (YRes, YRes, 0, YRes-X);
tgi_line (YRes, YRes, YRes-X, 0);
}
cgetc ();
tgi_clear ();
}
int main (void)
{
unsigned char Border;
@ -214,3 +222,5 @@ int main (void)
printf ("Done\n");
return EXIT_SUCCESS;
}