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| author | Tavmjong Bah <tavmjong@free.fr> | 2017-11-03 07:22:02 +0000 |
|---|---|---|
| committer | Tavmjong Bah <tavmjong@free.fr> | 2017-11-03 07:22:02 +0000 |
| commit | 12b60f0fc1171b61f67b1acd4160ca06e13f0898 (patch) | |
| tree | 26e10ff24fc8902f5ed197f0a7acd49a9020c8f6 | |
| parent | Give each filter primitive a name to help in debugging. (diff) | |
| download | inkscape-12b60f0fc1171b61f67b1acd4160ca06e13f0898.tar.gz inkscape-12b60f0fc1171b61f67b1acd4160ca06e13f0898.zip | |
Don't use infinite rectangle for tile area as this leads to overflow/underflow problems later.
| -rw-r--r-- | src/display/nr-filter-tile.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/display/nr-filter-tile.cpp b/src/display/nr-filter-tile.cpp index c151c8537..ad4e64768 100644 --- a/src/display/nr-filter-tile.cpp +++ b/src/display/nr-filter-tile.cpp @@ -114,8 +114,11 @@ void FilterTile::render_cairo(FilterSlot &slot) void FilterTile::area_enlarge(Geom::IntRect &area, Geom::Affine const &trans) { - // Set to infinite rectangle so we get tile source. It will be clipped later. - area = Geom::IntRect::infinite(); + // Set to very large rectangle so we get tile source. It will be clipped later. + + // Note, setting to infinite using Geom::IntRect::infinite() causes overflow/underflow problems. + Geom::IntCoord max = std::numeric_limits<Geom::IntCoord>::max()/4; + area = Geom::IntRect(-max,-max,max,max); } double FilterTile::complexity(Geom::Affine const &) |