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

Chapter 9 - Camera Objects / Camera Objects Reference

Camera Objects Routines / Managing Aspect Ratio Cameras

Q3ViewAngleAspectCamera_GetAspectRatio

You can use the Q3ViewAngleAspectCamera_GetAspectRatio function to get the aspect ratio of an aspect ratio camera.

TQ3Status Q3ViewAngleAspectCamera_GetAspectRatio (
TQ3CameraObject camera, 
float *aspectRatioXToY);

camera

An aspect ratio camera object.

aspectRatioXToY

On exit, the horizontal-to-vertical aspect ratio of the specified camera.

DESCRIPTION

The Q3ViewAngleAspectCamera_GetAspectRatio function returns, in the aspectRatioXToY parameter, the horizontal-to-vertical aspect ratio of the aspect ratio camera specified by the camera parameter.