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path: Tighten curve_to extents

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The additional time spent in the computation of tight extents for the
curve_to operation doesn't seem to be significant, but it makes the
extents computations faster and the approximations more accurate.
This commit is contained in:
Andrea Canciani 2010-10-22 23:03:51 +02:00
parent 0655198301
commit 958c56e2b4
1 changed files with 2 additions and 4 deletions
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6
src/cairo-path-fixed.c
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@ -609,10 +609,8 @@ _cairo_path_fixed_curve_to (cairo_path_fixed_t *path,
point[1].x = x1; point[1].y = y1;
point[2].x = x2; point[2].y = y2;
/* coarse bounds */
_cairo_box_add_point (&path->extents, &point[0]);
_cairo_box_add_point (&path->extents, &point[1]);
_cairo_box_add_point (&path->extents, &point[2]);
_cairo_box_add_curve_to (&path->extents, &path->current_point,
&point[0], &point[1], &point[2]);
path->current_point = point[2];
path->has_curve_to = TRUE;