Inside Macintosh: Apple Game Sprockets Guide /

Chapter 2 - DrawSprocket / DrawSprocket Reference

DrawSprocket Functions / Drawing and Double Buffering

DSpContext_GetScale

Use the DSpContext_GetScale function to return the current pixel scaling setting for the context.

OSStatus DSpContext_GetScale (
DSpContextReference inContext,
DSpBufferScale *outScale);

inContext

A reference to the context whose pixel scaling setting you want.

outScale

On exit, the pixel scaling setting. See "Pixel Scaling" (page 2-25) for a description of the returned value.

function result

A result code.

DESCRIPTION

You pass the function a reference to a context in the inContext parameter and it returns, in the outScale parameter, the pixel scaling setting for that context.

CALLING RESTRICTIONS

Do not call this function during an interrupt.