Inside Macintosh: 3D Graphics Programming With QuickDraw 3D /

Chapter 12 - Draw Context Objects / Draw Context Objects Reference

Draw Context Objects Routines / Managing Macintosh Draw Contexts

Q3MacDrawContext_GetGXViewPort

You can use the Q3MacDrawContext_GetGXViewPort function to get the QuickDraw GX view port associated with a Macintosh draw context.

TQ3Status Q3MacDrawContext_GetGXViewPort (
TQ3DrawContextObject drawContext, 
gxViewPort *viewPort);

drawContext

A Macintosh draw context object.

viewPort

On exit, the QuickDraw GX view port currently associated with the specified draw context.

DESCRIPTION

The Q3MacDrawContext_GetGXViewPort function returns, in the viewPort parameter, the QuickDraw GX view port currently associated with the draw context specified by the drawContext parameter. If no view port is associated with the draw context or the two-dimensional graphics library is not set to kQ3Mac2DLibraryQuickDrawGX, Q3MacDrawContext_GetGXViewPort returns NULL in the viewPort parameter.