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#7396 - Fix of crash while slicing a particular stl file (missing checks into GCodeViewer::load_toolpaths())

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This commit is contained in:
enricoturri1966 2021-12-02 09:09:19 +01:00
parent 9ea81a9dbf
commit ba20cc4892
1 changed files with 2 additions and 2 deletions
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4
src/slic3r/GUI/GCodeViewer.cpp
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@ -1190,7 +1190,7 @@ void GCodeViewer::load_toolpaths(const GCodeProcessorResult& gcode_result)
vertices.push_back(normal.z());
};
if (prev.type != curr.type || !buffer.paths.back().matches(curr)) {
if (buffer.paths.empty() || prev.type != curr.type || !buffer.paths.back().matches(curr)) {
buffer.add_path(curr, vbuffer_id, vertices.size(), move_id - 1);
buffer.paths.back().sub_paths.back().first.position = prev.position;
}
@ -1281,7 +1281,7 @@ void GCodeViewer::load_toolpaths(const GCodeProcessorResult& gcode_result)
store_triangle(indices, v_offsets[4], v_offsets[5], v_offsets[6]);
};
if (prev.type != curr.type || !buffer.paths.back().matches(curr)) {
if (buffer.paths.empty() || prev.type != curr.type || !buffer.paths.back().matches(curr)) {
buffer.add_path(curr, ibuffer_id, indices.size(), move_id - 1);
buffer.paths.back().sub_paths.back().first.position = prev.position;
}