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435a566751
* sumatrapdf - vendor import * everything compiles (libjpeg, poppler, fitz, sumatrapdf) * does NOT link (remove the comment tags in the parent directory.rbuild file (rosapps dir) to build it) svn path=/trunk/; revision=29295
140 lines
4.6 KiB
C++
140 lines
4.6 KiB
C++
//========================================================================
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//
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// FoFiTrueType.h
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//
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// Copyright 1999-2003 Glyph & Cog, LLC
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//
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//========================================================================
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#ifndef FOFITRUETYPE_H
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#define FOFITRUETYPE_H
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#ifdef USE_GCC_PRAGMAS
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#pragma interface
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#endif
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#include "goo/gtypes.h"
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#include "FoFiBase.h"
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class GooString;
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class GooHash;
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struct TrueTypeTable;
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struct TrueTypeCmap;
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//------------------------------------------------------------------------
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// FoFiTrueType
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//------------------------------------------------------------------------
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class FoFiTrueType: public FoFiBase {
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public:
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// Create a FoFiTrueType object from a memory buffer.
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static FoFiTrueType *make(char *fileA, int lenA, int faceIndexA=0);
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// Create a FoFiTrueType object from a file on disk.
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static FoFiTrueType *load(char *fileName, int faceIndexA=0);
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FoFiTrueType(char *fileA, int lenA, GBool freeFileDataA, int faceIndexA=0);
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virtual ~FoFiTrueType();
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// Return the number of cmaps defined by this font.
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int getNumCmaps();
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// Return the platform ID of the <i>th cmap.
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int getCmapPlatform(int i);
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// Return the encoding ID of the <i>th cmap.
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int getCmapEncoding(int i);
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// Return the index of the cmap for <platform>, <encoding>. Returns
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// -1 if there is no corresponding cmap.
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int findCmap(int platform, int encoding);
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// Return the GID corresponding to <c> according to the <i>th cmap.
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Gushort mapCodeToGID(int i, int c);
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// Returns the GID corresponding to <name> according to the post
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// table. Returns 0 if there is no mapping for <name> or if the
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// font does not have a post table.
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int mapNameToGID(char *name);
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// Returns the least restrictive embedding licensing right (as
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// defined by the TrueType spec):
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// * 4: OS/2 table is missing or invalid
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// * 3: installable embedding
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// * 2: editable embedding
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// * 1: preview & print embedding
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// * 0: restricted license embedding
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int getEmbeddingRights();
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// Convert to a Type 42 font, suitable for embedding in a PostScript
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// file. <psName> will be used as the PostScript font name (so we
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// don't need to depend on the 'name' table in the font). The
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// <encoding> array specifies the mapping from char codes to names.
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// If <encoding> is NULL, the encoding is unknown or undefined. The
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// <codeToGID> array specifies the mapping from char codes to GIDs.
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void convertToType42(char *psName, char **encoding,
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Gushort *codeToGID,
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FoFiOutputFunc outputFunc, void *outputStream);
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// Convert to a Type 2 CIDFont, suitable for embedding in a
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// PostScript file. <psName> will be used as the PostScript font
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// name (so we don't need to depend on the 'name' table in the
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// font). The <cidMap> array maps CIDs to GIDs; it has <nCIDs>
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// entries.
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void convertToCIDType2(char *psName, Gushort *cidMap, int nCIDs,
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GBool needVerticalMetrics,
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FoFiOutputFunc outputFunc, void *outputStream);
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// Convert to a Type 0 (but non-CID) composite font, suitable for
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// embedding in a PostScript file. <psName> will be used as the
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// PostScript font name (so we don't need to depend on the 'name'
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// table in the font). The <cidMap> array maps CIDs to GIDs; it has
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// <nCIDs> entries.
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void convertToType0(char *psName, Gushort *cidMap, int nCIDs,
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GBool needVerticalMetrics,
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FoFiOutputFunc outputFunc, void *outputStream);
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// Write a clean TTF file, filling in missing tables and correcting
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// various other errors. If <name> is non-NULL, the font is renamed
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// to <name>. If <codeToGID> is non-NULL, the font is re-encoded,
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// using a Windows Unicode cmap. If <name> is NULL and the font is
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// complete and correct, it will be written unmodified.
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void writeTTF(FoFiOutputFunc outputFunc, void *outputStream,
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char *name = NULL, Gushort *codeToGID = NULL);
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private:
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void cvtEncoding(char **encoding,
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FoFiOutputFunc outputFunc,
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void *outputStream);
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void cvtCharStrings(char **encoding,
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Gushort *codeToGID,
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FoFiOutputFunc outputFunc,
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void *outputStream);
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void cvtSfnts(FoFiOutputFunc outputFunc,
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void *outputStream, GooString *name,
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GBool needVerticalMetrics);
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void dumpString(Guchar *s, int length,
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FoFiOutputFunc outputFunc,
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void *outputStream);
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Guint computeTableChecksum(Guchar *data, int length);
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void parse();
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void readPostTable();
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int seekTable(char *tag);
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TrueTypeTable *tables;
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int nTables;
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TrueTypeCmap *cmaps;
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int nCmaps;
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int nGlyphs;
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int locaFmt;
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int bbox[4];
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GooHash *nameToGID;
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GBool parsedOk;
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int faceIndex;
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};
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#endif
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