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avoid copy

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This commit is contained in:
Dane Springmeyer 2012-03-23 11:22:00 -07:00
parent c88a725a7d
commit 2ff8c3344e
1 changed files with 2 additions and 1 deletions
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3
include/mapnik/feature.hpp
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@ -224,13 +224,14 @@ public:
box2d<double> envelope() const
{
// TODO - cache this
box2d<double> result;
for (unsigned i=0;i<num_geometries();++i)
{
geometry_type const& geom = get_geometry(i);
if (i==0)
{
box2d<double> box = geom.envelope();
box2d<double> const& box = geom.envelope();
result.init(box.minx(),box.miny(),box.maxx(),box.maxy());
}
else