FGFS-4.1/OpenSceneGraph
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Added raw primitive and vertex data into the osgText::Font3D and FreeTypePlugin to aid development of new 3D text functionality.

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Added new test for original 3D text support and new experimental code for exploring approaches to new 3D text support.
This commit is contained in:
Robert Osfield
2010-07-14 18:50:41 +00:00
parent 00f004fc38
commit 777763bc55
7 changed files with 581 additions and 109 deletions
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19
src/osgText/Text3D.cpp
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@@ -59,7 +59,24 @@ void Text3D::accept(osg::PrimitiveFunctor& pf) const
LineRenderInfo::const_iterator it, end = itLine->end();
for (it = itLine->begin(); it!=end; ++it)
{
pf.setVertexArray(it->_glyph->getVertexArray()->size(),&(it->_glyph->getVertexArray()->front()));
osg::ref_ptr<osg::Vec3Array> vertices = it->_glyph->getVertexArray();
if (vertices->empty())
continue; //skip over spaces
//pf.setVertexArray(it->_glyph->getVertexArray()->size(),&(it->_glyph->getVertexArray()->front()));
//////////////////////////////////////////////////////////////////////////
// now apply matrix to the glyphs.
osg::ref_ptr<osg::Vec3Array> transformedVertices = new osg::Vec3Array;
osg::Matrix matrix = _autoTransformCache[0]._matrix;//osg::Matrix();
matrix.postMultTranslate(matrix*it->_position);
transformedVertices->reserve(vertices->size());
for (osg::Vec3Array::iterator itr=vertices->begin(); itr!=vertices->end(); itr++)
{
transformedVertices->push_back((*itr)*matrix);
}
//////////////////////////////////////////////////////////////////////////
pf.setVertexArray(transformedVertices->size(),&(transformedVertices->front()));
// ** render the front face of the glyph
osg::Geometry::PrimitiveSetList & pslFront = it->_glyph->getFrontPrimitiveSetList();