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[sixel] replace constant vfprintf()s with direct writes #2573

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nick black 2022-01-30 08:58:41 -05:00 committed by nick black
parent f96713d18f
commit 51f16ecc57
1 changed files with 11 additions and 6 deletions
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17
src/lib/sixel.c
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@ -740,18 +740,22 @@ sixelband_extend(sixelband* b, struct band_extender* bes, int maxlen,
int clearlen = (curx - rle + 1) - ourbes->next;
if(clearlen > 2){
ourbes->length += sprintf(b->vecs[color] + ourbes->length, "!%d?", clearlen);
}else if(clearlen == 2){
ourbes->length += sprintf(b->vecs[color] + ourbes->length, "??");
}else if(clearlen){
ourbes->length += sprintf(b->vecs[color] + ourbes->length, "?");
b->vecs[color][ourbes->length++] = '?';
if(clearlen == 2){
b->vecs[color][ourbes->length++] = '?';
}
b->vecs[color][ourbes->length] = '\0';
}
rep += 63;
if(rle > 2){
ourbes->length += sprintf(b->vecs[color] + ourbes->length, "!%d%c", rle, rep);
}else if(rle == 2){
ourbes->length += sprintf(b->vecs[color] + ourbes->length, "%c%c", rep, rep);
}else{
ourbes->length += sprintf(b->vecs[color] + ourbes->length, "%c", rep);
b->vecs[color][ourbes->length++] = rep;
if(rle == 2){
b->vecs[color][ourbes->length++] = rep;
}
b->vecs[color][ourbes->length] = '\0';
}
ourbes->next = curx + 1;
return 0;
@ -876,6 +880,7 @@ build_sixel_band(qstate* qs, int i){
}
prevactive += activepos;
}
// FIXME shouldn't this be on active, *not* prev!?
for(int j = 0 ; j < prevactive ; ++j){
sixelband_extend(b, meta, qs->lenx, prev[j].color, prev[j].rep, prev[j].rle, x);
}