Inside Macintosh: QuickDraw GX Printing Extensions and Drivers /

Chapter 5 - Printing Functions for Message Overrides / Printing Functions Reference

Functions / Working With Application Imaging Options

GXGetAvailableJobFormatModes

You can use the GXGetAvailableJobFormatModes function to determine which job format modes the application supports.

OSErr GXGetAvailableJobFormatModes (
                              gxJobFormatModeTableHdl *modeTbl);

modeTbl

A pointer to a gxJobFormatModeTable structure.

function result

An error code. The value noErr indicates that the operation was successful.

DESCRIPTION

You call the GXGetAvailableJobFormatModes function to find out which of the job format modes the application supports. The application establishes these modes by calling the GXSetPreferredJobFormatMode function.

Your printer driver calls this function and you pick one of the modes that the application supports as the preferred mode for your printer driver. You then call the GXSetPreferredJobFormatMode function to establish that mode as the preference for the application.

RESULT CODES

gxSegmentLoadFailedErr	A required code segment could not be found, or there was not enough memory to load it.
gxPrUserAbortErr	The user has canceled printing.

SEE ALSO

You can find an example of using the GXGetAvailableJobFormatModes function in Listing 3-7 on page 3-29 in the chapter "Printer Drivers."

The gxJobFormatModeTable structure is described on page 5-14.

The GXSetPreferredJobFormatMode function is described in the next section.

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