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Inside Macintosh: QuickDraw GX Environment and Utilities /

Chapter 7 - QuickDraw GX Stream Format / QuickDraw GX Stream Format Reference

Opcode Constants and Data Types

Flatten Header Bytes

The two bytes following the byte containing the gxHeaderTypeOpcode contain the version of QuickDraw GX that generated the stream of data that follows and two flags that are defined by the gxFlattenFlags enumeration.

struct gxFlattenHeader {
   fixed          version;
   unsigned char  flatFlags;
};

Field Description

version

The version of QuickDraw GX that was used to create the stream.

flatFlags

The gxFontListFlatten and gxFontGlyphsFlatten flags.

The QuickDraw GX version and the flatten flags are described in the section "Header Data" beginning on page 7-27.