static void testcase1(const char *desc)
{
ggi_visual_t vis;
ggi_color green, back;
int err;
printteststart(__FILE__, __PRETTY_FUNCTION__, EXPECTED2PASS, desc);
if (dontrun) return;
err = ggiInit();
printassert(err == GGI_OK, "ggiInit failed with %i\n", err);
vis = ggiOpen(NULL);
printassert(vis != NULL, "ggiOpen() failed\n");
err = ggiSetGraphMode(vis, GGI_AUTO, GGI_AUTO, GGI_AUTO, GGI_AUTO, GT_8BIT);
if(err < 0) {
printassert(0, "Palettized mode not available.\n");
printsuccess();
ggiClose(vis);
ggiExit();
return;
}
green.r = 100;
green.g = 40000;
green.b = 4000;
err = ggiSetPalette(vis, GGI_PALETTE_DONTCARE, 1, &green);
if (err < 0) {
printfailure("Unable to install colormap with one entry.\n");
ggiClose(vis);
ggiExit();
return;
}
printassert(err == (int)ggiMapColor(vis, &green),
"ggiMapColor inconsistent with retval of ggiSetPalette.\n");
ggiUnmapPixel(vis, err, &back);
if(green.r != back.r || green.g != back.g || green.b != back.b) {
printfailure("Unexpected color from ggiUnmapPixel.\n");
ggiClose(vis);
ggiExit();
return;
}
ggiSetGCForeground(vis, err);
ggiDrawBox(vis, 0, 0, 3000, 3000);
ggiFlush(vis);
/* You should see a green square, how to test this? */
ggUSleep(5000000);
printsuccess();
ggiClose(vis);
ggiExit();
}
void _ggi_file_ppm_write(struct ggi_visual *vis)
{
unsigned char buf[200];
int x, y;
ggi_pixel last;
ggi_color col;
/* PPM files rewind and write from scratch */
/* FIXME shouldn't we truncate the file as well? Size changes? */
_ggi_file_rewind(vis);
/* write header info */
_ggi_file_write_string(vis, (const unsigned char *)"P6\n");
_ggi_file_write_string(vis, (const unsigned char *)PPM_INFO_STRING);
snprintf((char *)buf, sizeof(buf), "%d %d\n255\n", LIBGGI_VIRTX(vis), LIBGGI_VIRTY(vis));
_ggi_file_write_string(vis, buf);
/* write out the pixels */
ggiGetPixel(vis->instance.stem, 0, 0, &last);
last = ~last; /* must be different from first pixel */
for (y=0; y < LIBGGI_VIRTY(vis); y++)
for (x=0; x < LIBGGI_VIRTX(vis); x++) {
ggi_pixel pix;
ggiGetPixel(vis->instance.stem, x, y, &pix);
if (pix != last) {
ggiUnmapPixel(vis->instance.stem, pix, &col);
}
_ggi_file_write_byte(vis, (unsigned)(col.r >> 8));
_ggi_file_write_byte(vis, (unsigned)(col.g >> 8));
_ggi_file_write_byte(vis, (unsigned)(col.b >> 8));
last = pix;
}
_ggi_file_flush(vis);
}
