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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2008-09-24 11:38:21 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2008-09-24 11:45:51 +0100 |
| commit | b9c92842d9c091e34738d14f7baf6f357a1f085c (patch) | |
| tree | fc906920fca39816b90a7d2314c3bab980076ed9 /src/cairo-traps.c | |
| parent | 911d5f1a254f800fe18f4554b738006aa0a693a2 (diff) | |
| download | cairo-b9c92842d9c091e34738d14f7baf6f357a1f085c.tar.gz | |
[trap] Trivial reject if trapezoid is entirely above or below
Also check whether is vertically within limits.
Diffstat (limited to 'src/cairo-traps.c')
| -rw-r--r-- | src/cairo-traps.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/cairo-traps.c b/src/cairo-traps.c index 40bc21487..3a38c6933 100644 --- a/src/cairo-traps.c +++ b/src/cairo-traps.c @@ -183,6 +183,10 @@ _cairo_traps_add_trap (cairo_traps_t *traps, return; } + /* And reject if the trapezoid is entirely above or below */ + if (top > traps->limits.p2.y || bottom < traps->limits.p1.y) + return; + /* Otherwise, clip the trapezoid to the limits. We only clip * where an edge is entirely outside the limits. If we wanted * to be more clever, we could handle cases where a trapezoid |