Inside Macintosh: QuickDraw GX Printing /

Chapter 4 - Advanced Printing Features / Advanced Printing Features Reference

Constants and Data Types for Advanced Printing Features

Pen Tables for Vector Devices

QuickDraw GX defines a tag object for a paper-type object's view device in the pen table tag enumeration:

enum { gxPenTableTag = 'pent' };

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

enum {
   gxDeviceUnits  =  0,                         
   gxMmUnits      =  1,                            
   gxInchesUnits  =  2                          
};

Constant descriptions

gxDeviceUnits

If set, QuickDraw GX uses specific printer units.

gxMmUnits

If set, QuickDraw GX uses millimeters.

gxInchesUnits

If set, QuickDraw GX uses inches.

QuickDraw GX defines pen information in the pen not loaded enumeration:

enum { gxPenNotLoaded = -1};

QuickDraw GX stores pen table information in the pen table information structure:

struct gxPenTableEntry {
   Str31    penName;       
   gxColor  penColor;      
   fixed    penThickness;  
   short    penUnits;      
   short    penPosition;   
};

Field Description

penName

A string containing the name of the pen.

penColor

The color that is part of the color set.

penThickness

The size of the pen.

penUnits

The units in which the pen thickness is defined.

penPosition

The pen position in the carousel.

QuickDraw GX stores pen information in the pen table information structure:

struct gxPenTable {
   short             numPens;    
   gxPenTableEntry   pens[1];    
};

Field Description

numPens

The number of pen entries.

pens[1]

An array of pen entries.

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