Inside Macintosh: QuickDraw GX Printing Extensions and Drivers /

Chapter 4 - Printing Messages / Printing Messages Reference

Constants and Data Types for the Raster Imaging System

Raster Package Bitmap Structure

The raster package bitmap structure, of data type gxRasterPackageBitmapRec, is used with the GXRasterPackageBitmap message.

struct gxRasterPackageBitmapRec {
   gxBitmap       *bitmapToPackage;
   unsigned short startRaster;
   unsigned short colorBand;
   Boolean        isBandDirty;
   Rect           dirtyRect;
};
typedef struct gxRasterPackageBitmapRec gxRasterPackageBitmapRec;

Field Description

bitmapToPackage

A pointer to the bitmap that contains the data to be packaged.

startRaster

The raster where the packaging is to begin.

colorBand

Which color pass of packaging this structure represents.

isBandDirty

A Boolean value that is true if the raster band being packaged contains any nonwhite bits and is false if the raster band is all white.

dirtyRect

A rectangle that defines the area in the bitmap that contains dirty bits.

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