#include <Quickdraw.h>

typedef struct CGrafPort{ Size Offset Description

short device; 2 0 Device-specific info; 0=screen

PixMapHandle portPixMap; 4 2 port's pixel map

short portVersion; 2 6 High bits set

Handle grafVars; 4 8 Handle to additional fields

short chExtra; 2 12 Widen text and numeric characters,

see TextSize

short pnLocHFrac; 2 14 Fractional horizontal pen position

Rect portRect; 8 16 Writeable interior, for more

information

RgnHandle visRgn; 4 24 Portion not covered by other

windows

RgnHandle clipRgn; 4 28 User-definable clipping region, see

SetClip

PixPatHandle bkPixPat; 4 32 Color background pattern see

BackPat

RGBColor rgbFgColor; 6 36 requested foreground color see

MakeRGBPat

RGBColor rgbBkColor; 6 42 requested background color see

MakeRGBPat

Point pnLoc; 4 48 Pen location in local coords see

MoveTo

Point pnSize; 4 52 .v=height, .h=width of pen see

PenSize

short pnMode; 2 56 see PenMode

PixPatHandle pnPixPat; 4 58 Color pen pattern used in drawing,

see PenPat

Pattern fillPixPat; 4 62 Color fill pattern

short pnVis; 2 66 If <0, pen is invisible

short txFont; 2 68 Font; 0= system, 1=application see

TextFont

Style txFace; 1 70 Text style; see TextFace

char filler; 1 71

short txMode; 2 72 Transfer Mode

short txSize; 2 74 Text size in points

Fixed spExtra; 4 76 Spacing for full justification

long fgColor; 4 80 Old-model color for foreground see

ForeColor

long bkColor; 4 84 Old-model color for background, see

BackColor

short colrBit; 2 86 Old-model color plane

short patStretch; 2 88 Used internally; printer aspect ratio

adjustment

Handle picSave; 4 92 PicHandle if pict being saved.

Handle rgnSave; 4 96 RgnHandle if region is being saved.

Handle polySave; 4 100 PolyHandle if polygon being saved.

CQDProcsPtr grafProcs; 4 104 Addr of struct with addresses of

custom routines

} CGrafPort; 108

typedef CGrafPort *CGrafPtr;

typedef CGrafPtr GWorldPtr;