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yield demo looks hot, hot, hot!

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nick black 2020-06-06 22:14:06 -04:00
parent 990f401427
commit 77362a50f4
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GPG Key ID: 5F43400C21CBFACC
2 changed files with 6 additions and 5 deletions
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7
src/demo/yield.c
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@ -31,7 +31,7 @@ int yield_demo(struct notcurses* nc){
int vy, vx, vscaley, vscalex;
ncvisual_geom(nc, wmv, vopts.blitter, &vy, &vx, &vscaley, &vscalex);
struct timespec scaled;
int threshold_painted = (vy * vscaley) * (vx * vscalex) / 2;
int threshold_painted = vy * vx * vscalex * vscaley / 3;
timespec_div(&demodelay, 128, &scaled);
int tfilled = 0;
while(tfilled < threshold_painted){
@ -41,9 +41,8 @@ int yield_demo(struct notcurses* nc){
int y = random() % (vy);
uint32_t pixel = 0;
ncvisual_at_yx(wmv, y, x, &pixel);
uint32_t newpixel = 0;
pixel_set_rgb(&newpixel, 0xff, channel_g(pixel), channel_b(pixel));
pfilled = ncvisual_polyfill_yx(wmv, y, x, newpixel);
pixel_set_rgb(&pixel, channel_g(pixel), 0, 0);
pfilled = ncvisual_polyfill_yx(wmv, y, x, pixel);
if(pfilled < 0){
ncvisual_destroy(wmv);
return -1;

4
src/lib/blit.c
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@ -172,7 +172,9 @@ rgb_diff(unsigned r1, unsigned g1, unsigned b1, unsigned r2, unsigned g2, unsign
}
// once we find the closest pair of colors, we need look at the other two
// colors, and determine whether
// colors, and determine whether either belongs with us rather with them.
// if so, take the closer, and trilerp it in with us. otherwise, lerp the
// two excluded pixels (and retain our original lerp).
static const struct qdriver {
int pair[2]; // indices of contributing pair
int others[2]; // indices of excluded pair