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Added bugfix for image_view where if an image of zero width or height created a view, it would cause a segfault because it created a 1,1 size view.

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This commit is contained in:
Blake Thompson 2015-03-08 23:28:56 -05:00
parent 073e46aad8
commit ffad24f31d
1 changed files with 4 additions and 4 deletions
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4
include/mapnik/image_view.hpp
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@ -43,8 +43,8 @@ public:
height_(height),
data_(data)
{
if (x_ >= data_.width()) x_=data_.width()-1;
if (y_ >= data_.height()) y_=data_.height()-1;
if (x_ >= data_.width() && data_.width() > 0) x_ = data_.width() - 1;
if (y_ >= data_.height() && data.height() > 0) y_ = data_.height() - 1;
if (x_ + width_ > data_.width()) width_ = data_.width() - x_;
if (y_ + height_ > data_.height()) height_ = data_.height() - y_;
}