k3d/share/shaders/k3d_graphic_lines.sl:331:	color gline_color, layer_color;
k3d/share/shaders/k3d_graphic_lines.sl:338:	gline_color = color (0, 0, 0);
k3d/share/shaders/k3d_graphic_lines.sl:358:	gline_color = blend(gline_color, layer_color, layer_opac);
k3d/share/shaders/k3d_graphic_lines.sl:373:	gline_color = blend(gline_color, layer_color, layer_opac);
k3d/share/shaders/k3d_graphic_lines.sl:377:	color glineCi = gline_opac * gline_color;
