Inside Macintosh: QuickDraw GX Printing /

Chapter 3 - Page Formatting and Dialog Box Customization / Page Formatting and Dialog Box Customization Reference

Constants and Data Types for Paper-Type Collection Items

Units Information

The collection item ID for units information is defined in the following enumeration:

enum { gxUnitsTag = 'unit' };    

QuickDraw GX stores units information in the gxUnitsInfo structure:

struct gxUnitsInfo {
   char     units;               
} ;

Field Description

units

A character that contains the units for a paper-type object. Units can be specified in picas, millimeters, and inches.

QuickDraw GX defines paper-type object units in the following enumeration:

enum {
   gxPicas  =  (char) 0,   
   gxMms    =  (char) 1,   
   gxInches =  (char) 2    
};

Constant descriptions

gxPicas

If set, QuickDraw GX uses picas to define paper-type object units.

gxMms

If set, QuickDraw GX uses millimeters to define paper-type object units.

gxInches

If set, QuickDraw GX uses inches to define paper-type object units.

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