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Fix intersect_with_boxes() to produce tight clip extents

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Previous code was intersecting extents with infinitely large rectangle.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Taekyun Kim 2011-06-21 17:19:58 +09:00 • committed by Chris Wilson
parent 8fb9a6727e
commit 441f9c5037
1 changed files with 3 additions and 2 deletions
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5
src/cairo-clip.c
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@ -1399,8 +1399,9 @@ intersect_with_boxes (cairo_composite_rectangles_t *extents,
cairo_rectangle_int_t rect;
cairo_box_t box;
box.p1.x = box.p1.y = INT_MIN;
box.p2.x = box.p2.y = INT_MAX;
/* Find the extents over all the clip boxes */
box.p1.x = box.p1.y = INT_MAX;
box.p2.x = box.p2.y = INT_MIN;
while (num_boxes--) {
if (boxes->p1.x < box.p1.x)
box.p1.x = boxes->p1.x;