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From Luc Frauciel, "You'll find attached a modification of DXWriter to support Material color:

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If a material is present, the diffuse color is affected to current layer."
This commit is contained in:
Robert Osfield
2013-06-24 11:39:26 +00:00
parent 0896bd17bd
commit 6331a54a68
1 changed files with 9 additions and 2 deletions
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11
src/osgPlugins/dxf/DXFWriterNodeVisitor.cpp
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@@ -481,6 +481,12 @@ void DXFWriterNodeVisitor::processStateSet(osg::StateSet* ss)
{
if (pm->getMode(osg::PolygonMode::FRONT)==osg::PolygonMode::LINE) _writeTriangleAs3DFace = false;
}
osg::Material * mat = dynamic_cast<osg::Material *>(ss->getAttribute(osg::StateAttribute::MATERIAL));
if (mat)
{
const osg::Vec4& color = mat->getDiffuse(osg::Material::FRONT);
_layer._color = _acadColor.findColor(color.asABGR()>>8);
}
}
void DXFWriterNodeVisitor::processGeometry(osg::Geometry* geo, osg::Matrix& m)
@@ -490,8 +496,6 @@ void DXFWriterNodeVisitor::processGeometry(osg::Geometry* geo, osg::Matrix& m)
// We only want to create a new layer for geometry with something to draw
if (geo->getVertexArray() && geo->getVertexArray()->getNumElements() ) {
processStateSet(_currentStateSet.get());
if ( _firstPass ) {
// Must have unique layer names
_layer._name = getLayerName( geo->getName().empty() ? geo->getParent(0)->getName() : geo->getName() );
@@ -510,6 +514,9 @@ void DXFWriterNodeVisitor::processGeometry(osg::Geometry* geo, osg::Matrix& m)
} else {
_layer = _layers[_count++];
OSG_DEBUG << "writing Layer " << _layer._name << std::endl;
processStateSet(_currentStateSet.get());
if ( geo->getNumPrimitiveSets() ) {
for(unsigned int i = 0; i < geo->getNumPrimitiveSets(); ++i)
{