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[yield] render to new plane each iteration #1425

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nick black 2021-03-20 00:09:04 -04:00 committed by Nick Black
parent 7426cc8067
commit 1b095b1bae
1 changed files with 8 additions and 3 deletions
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11
src/demo/yield.c
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@ -13,12 +13,12 @@ int yield_demo(struct notcurses* nc){
return -1;
}
struct ncvisual_options vopts = {
.n = std,
.y = 1,
.scaling = NCSCALE_STRETCH,
.blitter = NCBLIT_PIXEL,
};
if(ncvisual_render(nc, wmv, &vopts) == NULL){
struct ncplane* n;
if((n = ncvisual_render(nc, wmv, &vopts)) == NULL){
ncvisual_destroy(wmv);
return -1;
}
@ -46,6 +46,7 @@ int yield_demo(struct notcurses* nc){
struct ncplane* label = ncplane_create(std, &labopts);
if(label == NULL){
ncvisual_destroy(wmv);
ncplane_destroy(n);
return -1;
}
uint64_t basechan = 0;
@ -72,6 +73,7 @@ int yield_demo(struct notcurses* nc){
uint32_t pixel = 0;
if(ncvisual_at_yx(wmv, y, x, &pixel) < 0){
ncvisual_destroy(wmv);
ncplane_destroy(n);
return -1;
}
if(ncpixel_a(pixel) != 0xff){ // don't do areas we've already done
@ -85,6 +87,7 @@ int yield_demo(struct notcurses* nc){
pfilled = ncvisual_polyfill_yx(wmv, y, x, pixel);
if(pfilled < 0){
ncvisual_destroy(wmv);
ncplane_destroy(n);
return -1;
}
// it's possible that nothing changed (pfilled == 0), but render anyway
@ -92,7 +95,8 @@ int yield_demo(struct notcurses* nc){
DEMO_RENDER(nc);
}while(pfilled == 0);
tfilled += pfilled;
if(ncvisual_render(nc, wmv, &vopts) == NULL){
ncplane_destroy(n);
if((n = ncvisual_render(nc, wmv, &vopts)) == NULL){
ncvisual_destroy(wmv);
return -1;
}
@ -106,6 +110,7 @@ int yield_demo(struct notcurses* nc){
}
ncplane_destroy(label);
ncvisual_destroy(wmv);
ncplane_destroy(n);
ncplane_erase(std);
return 0;
}