[subset-glyf] Reduce roundf calls
Saves 7% on MPLUS1-Variable/6000 benchmark.
diff --git a/src/OT/glyf/Glyph.hh b/src/OT/glyf/Glyph.hh
index abd1f82..dbecb80 100644
--- a/src/OT/glyf/Glyph.hh
+++ b/src/OT/glyf/Glyph.hh
@@ -113,25 +113,25 @@
if (unlikely (!glyph_header)) return false;
}
- int xMin = 0, xMax = 0;
- int yMin = 0, yMax = 0;
+ float xMin = 0, xMax = 0;
+ float yMin = 0, yMax = 0;
if (all_points.length > 4)
{
- xMin = xMax = roundf (all_points[0].x);
- yMin = yMax = roundf (all_points[0].y);
+ xMin = xMax = all_points[0].x;
+ yMin = yMax = all_points[0].y;
}
for (unsigned i = 1; i < all_points.length - 4; i++)
{
- float rounded_x = roundf (all_points[i].x);
- float rounded_y = roundf (all_points[i].y);
- xMin = hb_min (xMin, rounded_x);
- xMax = hb_max (xMax, rounded_x);
- yMin = hb_min (yMin, rounded_y);
- yMax = hb_max (yMax, rounded_y);
+ float x = all_points[i].x;
+ float y = all_points[i].y;
+ xMin = hb_min (xMin, x);
+ xMax = hb_max (xMax, x);
+ yMin = hb_min (yMin, y);
+ yMax = hb_max (yMax, y);
}
- update_mtx (plan, xMin, yMax, all_points);
+ update_mtx (plan, roundf (xMin), roundf (yMax), all_points);
/*for empty glyphs: all_points only include phantom points.
*just update metrics and then return */
@@ -139,10 +139,10 @@
return true;
glyph_header->numberOfContours = header->numberOfContours;
- glyph_header->xMin = xMin;
- glyph_header->yMin = yMin;
- glyph_header->xMax = xMax;
- glyph_header->yMax = yMax;
+ glyph_header->xMin = roundf (xMin);
+ glyph_header->yMin = roundf (yMin);
+ glyph_header->xMax = roundf (xMax);
+ glyph_header->yMax = roundf (yMax);
dest_bytes = hb_bytes_t ((const char *)glyph_header, GlyphHeader::static_size);
return true;
