Fix bounds for empty text nodes
_lineCount can be 0, so we get underflow if the alignment is one of the *_BOTTOM_BASE_LINE.
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78cb12b531
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@ -484,6 +484,14 @@ void TextBase::computePositions()
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void TextBase::computePositionsImplementation()
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{
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_normal = osg::Vec3(0.0f,0.0f,1.0f);
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if (_text.empty())
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{
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_offset = Vec3();
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return;
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}
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switch(_alignment)
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{
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case LEFT_TOP: _offset.set(_textBB.xMin(),_textBB.yMax(),_textBB.zMin()); break;
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@ -506,8 +514,6 @@ void TextBase::computePositionsImplementation()
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case CENTER_BOTTOM_BASE_LINE: _offset.set((_textBB.xMax()+_textBB.xMin())*0.5f,-_characterHeight*(1.0 + _lineSpacing)*(_lineCount-1),0.0f); break;
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case RIGHT_BOTTOM_BASE_LINE: _offset.set(_textBB.xMax(),-_characterHeight*(1.0 + _lineSpacing)*(_lineCount-1),0.0f); break;
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}
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_normal = osg::Vec3(0.0f,0.0f,1.0f);
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}
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bool TextBase::computeMatrix(osg::Matrix& matrix, osg::State* state) const
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