void
countPrimitives(SoNode *root, int32_t &numTris, int32_t &numLines, int32_t &numPoints,
int32_t &numNodes)
//
////////////////////////////////////////////////////////////////////////
{
numTris = 0;
numLines = 0;
numPoints = 0;
numNodes = 0;
SoCallbackAction ca;
ca.addPointCallback(SoShape::getClassTypeId(),
countPointsCB,
(void *) &numPoints);
ca.addLineSegmentCallback(SoShape::getClassTypeId(),
countLinesCB,
(void *) &numLines);
ca.addTriangleCallback(SoShape::getClassTypeId(),
countTriangleCB,
(void *) &numTris);
ca.addPreCallback( SoNode::getClassTypeId(),
countNodesCB, (void *)&numNodes
);
ca.apply(root);
}
