sixel_draw: break out of loop faster #1527

src/lib/sixel.c

@@ -525,12 +525,10 @@ int sixel_delete(const notcurses* nc, const ncpile* p, FILE* out, sprixel* s){
 int sixel_draw(const notcurses* n, const ncpile* p, sprixel* s, FILE* out){
   (void)n;
   if(s->invalidated == SPRIXEL_MOVED){
-    for(int yy = s->movedfromy ; yy < s->movedfromy + s->dimy ; ++yy){
-      for(int xx = s->movedfromx ; xx < s->movedfromx + s->dimx ; ++xx){
+    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 < p->dimx ; ++xx){
 //fprintf(stderr, "DAMAGING DUE TO MOVE: %d/%d (%d)\n", yy, xx, yy * p->dimx + xx);
-        if(xx < p->dimx && yy < p->dimy){
-          p->crender[yy * p->dimx + xx].s.damaged = 1;
-        }
+        p->crender[yy * p->dimx + xx].s.damaged = 1;
       }
     }
     s->invalidated = SPRIXEL_INVALIDATED;