These constants define a graphics tool for vector data drawing.
Values:
IG_VECT_GRAPH_OPENGL | Drawing with OpenGL. |
IG_VECT_GRAPH_DIRECT3D | Drawing with Direct3D. |
IG_VECT_GRAPH_AUTO | The type of graphics (OpenGL or Direct3D) is detected automatically. |
IG_VECT_GRAPH_WINAPI | This value has been deprecated and will be removed from the public API in a future release. |