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[sixel_delete] don't scribble beyond pile rendering vector #1534

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nick black 2021-04-14 08:23:17 -04:00
parent e591ec2e98
commit 81370ba311
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1 changed files with 2 additions and 2 deletions
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src/lib/sixel.c
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@ -505,8 +505,8 @@ int sixel_delete(const notcurses* nc, const ncpile* p, FILE* out, sprixel* s){
//fprintf(stderr, "%d] %d %p\n", s->id, s->invalidated, s->n); //fprintf(stderr, "%d] %d %p\n", s->id, s->invalidated, s->n);
(void)nc; (void)nc;
(void)out; (void)out;
for(int yy = s->movedfromy ; yy < s->movedfromy + s->dimy ; ++yy){ for(int yy = s->movedfromy ; yy < s->movedfromy + s->dimy && yy < p->dimy ; ++yy){
for(int xx = s->movedfromx ; xx < s->movedfromx + s->dimx ; ++xx){ for(int xx = s->movedfromx ; xx < s->movedfromx + s->dimx && xx < p->dimx ; ++xx){
struct crender *r = &p->crender[yy * p->dimx + xx]; struct crender *r = &p->crender[yy * p->dimx + xx];
if(!r->sprixel){ if(!r->sprixel){
r->s.damaged = 1; r->s.damaged = 1;