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Fix of a crash when setting a viewport over an empty platter.

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Exported bounding box 'empty' method to perl.
This commit is contained in:
bubnikv
2016-10-18 16:44:05 +02:00
parent 26349b30c5
commit 53907a9cfe
4 changed files with 18 additions and 11 deletions
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4
xs/src/libslic3r/BoundingBox.hpp
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@@ -102,13 +102,13 @@ inline bool operator!=(const BoundingBoxBase<VT> &bb1, const BoundingBoxBase<VT>
template<typename VT>
inline bool empty(const BoundingBoxBase<VT> &bb)
{
return bb.min.x > bb.max.x || bb.min.y > bb.max.y;
return ! bb.defined || bb.min.x > bb.max.x || bb.min.y > bb.max.y;
}
template<typename VT>
inline bool empty(const BoundingBox3Base<VT> &bb)
{
return bb.min.x > bb.max.x || bb.min.y > bb.max.y || bb.min.z > bb.max.z;
return ! bb.defined || bb.min.x > bb.max.x || bb.min.y > bb.max.y || bb.min.z > bb.max.z;
}
} // namespace Slic3r

1
xs/src/libslic3r/libslic3r.h
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@@ -17,6 +17,7 @@
// Scaling factor for a conversion from coord_t to coordf_t: 10e-6
// This scaling generates a following fixed point representation with for a 32bit integer:
// 0..4294mm with 1nm resolution
// int32_t fits an interval of (-2147.48mm, +2147.48mm)
#define SCALING_FACTOR 0.000001
// RESOLUTION, SCALED_RESOLUTION: Used as an error threshold for a Douglas-Peucker polyline simplification algorithm.
#define RESOLUTION 0.0125