Wireframe renderer problems

[Stefan H. <st...@to...>]

1. The wireframe renderer draws the triangle contours of a box but it 
should draw the rectangle contours. This can be solved by three lines 
of code (see below).

2. Diffuse colors which are part of the geometry will be drawn. 
Geometry independent attributes will be ignored. I think we should 
add a attribute state handler to the wireframe renderer to handle 
diffuse colors correctly.

   Stefan
   http://www.topoi.ch

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E3GeometryBox.c -> e3geom_box_create_face

TQ3TriMeshEdgeData	 edges[4] = { {{ 0, 1}, { 0, 
kQ3ArrayIndexNULL}}, {{ 1, 2}, { 0, kQ3ArrayIndexNULL}},{{ 2, 3}, { 
1, kQ3ArrayIndexNULL}},{{ 3, 0}, { 1, kQ3ArrayIndexNULL}} };

// Set up the TriMesh structure
...
theTriMeshData.numEdges = 4;
theTriMeshData.edges  = edges;