142 lines
5.7 KiB
C
142 lines
5.7 KiB
C
/*
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File: ScalerStreamTypes.h
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Contains: Scaler streaming data structures and constants for OFA 1.x
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Version: QuickTime 7.3
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Copyright: (c) 2007 (c) 1994-2001 by Apple Computer, Inc., all rights reserved.
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Bugs?: For bug reports, consult the following page on
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the World Wide Web:
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http://developer.apple.com/bugreporter/
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*/
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#ifndef __SCALERSTREAMTYPES__
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#define __SCALERSTREAMTYPES__
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#ifndef __MACTYPES__
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#include <MacTypes.h>
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#endif
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#ifndef __SFNTTYPES__
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#include <SFNTTypes.h>
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#endif
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#if PRAGMA_ONCE
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#pragma once
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#endif
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#if PRAGMA_IMPORT
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#pragma import on
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#endif
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#if PRAGMA_STRUCT_ALIGN
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#pragma options align=mac68k
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#elif PRAGMA_STRUCT_PACKPUSH
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#pragma pack(push, 2)
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#elif PRAGMA_STRUCT_PACK
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#pragma pack(2)
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#endif
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/* ScalerStream input/output types */
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enum {
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cexec68K = 0x00000001,
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truetypeStreamType = 0x00000001,
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type1StreamType = 0x00000002,
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type3StreamType = 0x00000004,
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type42StreamType = 0x00000008,
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type42GXStreamType = 0x00000010,
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portableStreamType = 0x00000020,
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flattenedStreamType = 0x00000040,
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cidType2StreamType = 0x00000080,
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cidType0StreamType = 0x00000100,
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type1CFFStreamType = 0x00000200,
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evenOddModifierStreamType = 0x00008000,
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eexecBinaryModifierStreamType = 0x00010000, /* encrypted portion of Type1Stream to be binary */
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unicodeMappingModifierStreamType = 0x00020000, /* include glyph ID to unicode mapping info for PDF */
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scalerSpecifcModifierMask = 0x0000F000, /* for scaler's internal use */
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streamTypeModifierMask = (long)0xFFFFF000 /* 16 bits for Apple, 4 bits for scaler */
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};
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/* Possible streamed font formats */
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typedef unsigned long scalerStreamTypeFlag;
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enum {
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downloadStreamAction = 0, /* Transmit the (possibly sparse) font data */
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asciiDownloadStreamAction = 1, /* Transmit font data to a 7-bit ASCII destination */
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fontSizeQueryStreamAction = 2, /* Estimate in-printer memory used if the font were downloaded */
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encodingOnlyStreamAction = 3, /* Transmit only the encoding for the font */
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prerequisiteQueryStreamAction = 4, /* Return a list of prerequisite items needed for the font */
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prerequisiteItemStreamAction = 5, /* Transmit a specified prerequisite item */
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variationQueryStreamAction = 6, /* Return information regarding support for variation streaming */
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variationPSOperatorStreamAction = 7 /* Transmit Postscript code necessary to effect variation of a font */
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};
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typedef long scalerStreamAction;
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enum {
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selectAllVariations = -1 /* Special variationCount value meaning include all variation data */
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};
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struct scalerPrerequisiteItem {
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long enumeration; /* Shorthand tag identifying the item */
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long size; /* Worst case vm in printer item requires */
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unsigned char name[1]; /* Name to be used by the client when emitting the item (Pascal string) */
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};
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typedef struct scalerPrerequisiteItem scalerPrerequisiteItem;
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struct scalerStream {
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const void * streamRefCon; /* <- private reference for client */
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const char * targetVersion; /* <- e.g. Postscript printer name (C string) */
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scalerStreamTypeFlag types; /* <-> Data stream formats desired/supplied */
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scalerStreamAction action; /* <- What action to take */
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unsigned long memorySize; /* -> Worst case memory use (vm) in printer or as sfnt */
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long variationCount; /* <- The number of variations, or selectAllVariations */
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const void * variations; /* <- A pointer to an array of the variations (gxFontVariation) */
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union {
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/* Normal font streaming information*/
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struct {
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const unsigned short * encoding; /* <- Intention is * unsigned short[256] */
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long * glyphBits; /* <-> Bitvector: a bit for each glyph, 1 = desired/supplied */
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char * name; /* <-> The printer font name to use/used (C string) */
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} font;
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/* Used to obtain a list of prerequisites from the scaler*/
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struct {
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long size; /* -> Size of the prereq. list in bytes (0 indicates no prerequisites)*/
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void * list; /* <- Pointer to client block to hold list (nil = list size query only) */
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} prerequisiteQuery;
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long prerequisiteItem; /* <- Enumeration value for the prerequisite item to be streamed.*/
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long variationQueryResult; /* -> Output from the variationQueryStreamAction */
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} info;
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};
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typedef struct scalerStream scalerStream;
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struct scalerStreamData {
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long hexFlag; /* Indicates that the data is to be interpreted as hex, versus binary */
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long byteCount; /* Number of bytes in the data being streamed */
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const void * data; /* Pointer to the data being streamed */
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};
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typedef struct scalerStreamData scalerStreamData;
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#if PRAGMA_STRUCT_ALIGN
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#pragma options align=reset
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#elif PRAGMA_STRUCT_PACKPUSH
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#pragma pack(pop)
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#elif PRAGMA_STRUCT_PACK
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#pragma pack()
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#endif
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#ifdef PRAGMA_IMPORT_OFF
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#pragma import off
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#elif PRAGMA_IMPORT
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#pragma import reset
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#endif
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#endif /* __SCALERSTREAMTYPES__ */
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