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sixel: avoid looking up color from palette for each sixel

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Instead, do the palette lookup when we receive the DECGCI (i.e. when
the palette entry is selected), and store the actual color value in
our sixel struct.
This commit is contained in:
Daniel Eklöf 2021-09-05 11:08:13 +02:00
parent f9642e9597
commit 47c32d5913
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GPG key ID: 5BBD4992C116573F
2 changed files with 4 additions and 3 deletions
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6
sixel.c
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@ -1272,8 +1272,6 @@ sixel_add(struct terminal *term, int col, int width, uint32_t color, uint8_t six
static void
sixel_add_many(struct terminal *term, uint8_t c, unsigned count)
{
uint32_t color = term->sixel.palette[term->sixel.color_idx];
int col = term->sixel.pos.col;
int width = term->sixel.image.width;
@ -1283,6 +1281,7 @@ sixel_add_many(struct terminal *term, uint8_t c, unsigned count)
return;
}
uint32_t color = term->sixel.color;
for (unsigned i = 0; i < count; i++, col++)
sixel_add(term, col, width, color, c);
@ -1509,7 +1508,8 @@ decgci(struct terminal *term, uint8_t c)
break;
}
}
}
} else
term->sixel.color = term->sixel.palette[term->sixel.color_idx];
term->sixel.state = SIXEL_DECSIXEL;
sixel_put(term, c);