739 lines
23 KiB
C
739 lines
23 KiB
C
/*
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* Methods for dealing with opentype font tables
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*
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* Copyright 2014 Aric Stewart for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#define COBJMACROS
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#include "dwrite_private.h"
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WINE_DEFAULT_DEBUG_CHANNEL(dwrite);
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#define MS_TTCF_TAG DWRITE_MAKE_OPENTYPE_TAG('t','t','c','f')
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#define MS_OTTO_TAG DWRITE_MAKE_OPENTYPE_TAG('O','T','T','O')
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#define MS_NAME_TAG DWRITE_MAKE_OPENTYPE_TAG('n','a','m','e')
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#ifdef WORDS_BIGENDIAN
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#define GET_BE_WORD(x) (x)
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#define GET_BE_DWORD(x) (x)
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#else
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#define GET_BE_WORD(x) MAKEWORD(HIBYTE(x), LOBYTE(x))
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#define GET_BE_DWORD(x) MAKELONG(GET_BE_WORD(HIWORD(x)), GET_BE_WORD(LOWORD(x)))
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#endif
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typedef struct {
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CHAR TTCTag[4];
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DWORD Version;
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DWORD numFonts;
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DWORD OffsetTable[1];
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} TTC_Header_V1;
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typedef struct {
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DWORD version;
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WORD numTables;
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WORD searchRange;
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WORD entrySelector;
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WORD rangeShift;
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} TTC_SFNT_V1;
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typedef struct {
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CHAR tag[4];
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DWORD checkSum;
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DWORD offset;
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DWORD length;
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} TT_TableRecord;
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typedef struct {
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WORD platformID;
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WORD encodingID;
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DWORD offset;
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} CMAP_EncodingRecord;
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typedef struct {
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WORD version;
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WORD numTables;
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CMAP_EncodingRecord tables[1];
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} CMAP_Header;
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typedef struct {
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DWORD startCharCode;
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DWORD endCharCode;
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DWORD startGlyphID;
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} CMAP_SegmentedCoverage_group;
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typedef struct {
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WORD format;
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WORD reserved;
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DWORD length;
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DWORD language;
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DWORD nGroups;
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CMAP_SegmentedCoverage_group groups[1];
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} CMAP_SegmentedCoverage;
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typedef struct {
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WORD format;
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WORD length;
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WORD language;
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WORD segCountX2;
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WORD searchRange;
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WORD entrySelector;
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WORD rangeShift;
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WORD endCode[1];
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} CMAP_SegmentMapping_0;
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enum OPENTYPE_CMAP_TABLE_FORMAT
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{
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OPENTYPE_CMAP_TABLE_SEGMENT_MAPPING = 4,
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OPENTYPE_CMAP_TABLE_SEGMENTED_COVERAGE = 12
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};
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/* PANOSE is 10 bytes in size, need to pack the structure properly */
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#include "pshpack2.h"
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typedef struct
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{
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ULONG version;
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ULONG revision;
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ULONG checksumadj;
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ULONG magic;
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USHORT flags;
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USHORT unitsPerEm;
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ULONGLONG created;
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ULONGLONG modified;
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SHORT xMin;
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SHORT yMin;
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SHORT xMax;
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SHORT yMax;
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USHORT macStyle;
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USHORT lowestRecPPEM;
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SHORT direction_hint;
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SHORT index_format;
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SHORT glyphdata_format;
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} TT_HEAD;
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typedef struct
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{
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ULONG Version;
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ULONG italicAngle;
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SHORT underlinePosition;
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SHORT underlineThickness;
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ULONG fixed_pitch;
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ULONG minmemType42;
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ULONG maxmemType42;
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ULONG minmemType1;
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ULONG maxmemType1;
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} TT_POST;
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typedef struct
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{
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USHORT version;
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SHORT xAvgCharWidth;
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USHORT usWeightClass;
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USHORT usWidthClass;
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SHORT fsType;
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SHORT ySubscriptXSize;
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SHORT ySubscriptYSize;
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SHORT ySubscriptXOffset;
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SHORT ySubscriptYOffset;
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SHORT ySuperscriptXSize;
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SHORT ySuperscriptYSize;
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SHORT ySuperscriptXOffset;
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SHORT ySuperscriptYOffset;
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SHORT yStrikeoutSize;
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SHORT yStrikeoutPosition;
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SHORT sFamilyClass;
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PANOSE panose;
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ULONG ulUnicodeRange1;
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ULONG ulUnicodeRange2;
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ULONG ulUnicodeRange3;
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ULONG ulUnicodeRange4;
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CHAR achVendID[4];
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USHORT fsSelection;
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USHORT usFirstCharIndex;
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USHORT usLastCharIndex;
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/* According to the Apple spec, original version didn't have the below fields,
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* version numbers were taken from the OpenType spec.
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*/
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/* version 0 (TrueType 1.5) */
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USHORT sTypoAscender;
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USHORT sTypoDescender;
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USHORT sTypoLineGap;
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USHORT usWinAscent;
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USHORT usWinDescent;
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/* version 1 (TrueType 1.66) */
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ULONG ulCodePageRange1;
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ULONG ulCodePageRange2;
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/* version 2 (OpenType 1.2) */
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SHORT sxHeight;
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SHORT sCapHeight;
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USHORT usDefaultChar;
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USHORT usBreakChar;
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USHORT usMaxContext;
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} TT_OS2_V2;
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#include "poppack.h"
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typedef struct {
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WORD platformID;
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WORD encodingID;
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WORD languageID;
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WORD nameID;
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WORD length;
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WORD offset;
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} TT_NameRecord;
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typedef struct {
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WORD format;
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WORD count;
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WORD stringOffset;
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TT_NameRecord nameRecord[1];
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} TT_NAME_V0;
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enum TT_NAME_WINDOWS_ENCODING_ID
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{
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TT_NAME_WINDOWS_ENCODING_SYMBOL = 0,
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TT_NAME_WINDOWS_ENCODING_UCS2,
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TT_NAME_WINDOWS_ENCODING_SJIS,
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TT_NAME_WINDOWS_ENCODING_PRC,
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TT_NAME_WINDOWS_ENCODING_BIG5,
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TT_NAME_WINDOWS_ENCODING_WANSUNG,
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TT_NAME_WINDOWS_ENCODING_JOHAB,
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TT_NAME_WINDOWS_ENCODING_RESERVED1,
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TT_NAME_WINDOWS_ENCODING_RESERVED2,
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TT_NAME_WINDOWS_ENCODING_RESERVED3,
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TT_NAME_WINDOWS_ENCODING_UCS4
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};
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enum OPENTYPE_STRING_ID
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{
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OPENTYPE_STRING_COPYRIGHT_NOTICE = 0,
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OPENTYPE_STRING_FAMILY_NAME,
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OPENTYPE_STRING_SUBFAMILY_NAME,
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OPENTYPE_STRING_UNIQUE_IDENTIFIER,
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OPENTYPE_STRING_FULL_FONTNAME,
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OPENTYPE_STRING_VERSION_STRING,
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OPENTYPE_STRING_POSTSCRIPT_FONTNAME,
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OPENTYPE_STRING_TRADEMARK,
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OPENTYPE_STRING_MANUFACTURER,
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OPENTYPE_STRING_DESIGNER,
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OPENTYPE_STRING_DESCRIPTION,
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OPENTYPE_STRING_VENDOR_URL,
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OPENTYPE_STRING_DESIGNER_URL,
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OPENTYPE_STRING_LICENSE_DESCRIPTION,
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OPENTYPE_STRING_LICENSE_INFO_URL,
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OPENTYPE_STRING_RESERVED_ID15,
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OPENTYPE_STRING_PREFERRED_FAMILY_NAME,
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OPENTYPE_STRING_PREFERRED_SUBFAMILY_NAME,
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OPENTYPE_STRING_COMPATIBLE_FULLNAME,
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OPENTYPE_STRING_SAMPLE_TEXT,
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OPENTYPE_STRING_POSTSCRIPT_CID_NAME,
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OPENTYPE_STRING_WWS_FAMILY_NAME,
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OPENTYPE_STRING_WWS_SUBFAMILY_NAME
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};
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static const UINT16 dwriteid_to_opentypeid[DWRITE_INFORMATIONAL_STRING_POSTSCRIPT_CID_NAME+1] =
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{
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(UINT16)-1, /* DWRITE_INFORMATIONAL_STRING_NONE is not used */
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OPENTYPE_STRING_COPYRIGHT_NOTICE,
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OPENTYPE_STRING_VERSION_STRING,
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OPENTYPE_STRING_TRADEMARK,
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OPENTYPE_STRING_MANUFACTURER,
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OPENTYPE_STRING_DESIGNER,
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OPENTYPE_STRING_DESIGNER_URL,
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OPENTYPE_STRING_DESCRIPTION,
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OPENTYPE_STRING_VENDOR_URL,
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OPENTYPE_STRING_LICENSE_DESCRIPTION,
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OPENTYPE_STRING_LICENSE_INFO_URL,
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OPENTYPE_STRING_FAMILY_NAME,
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OPENTYPE_STRING_SUBFAMILY_NAME,
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OPENTYPE_STRING_PREFERRED_FAMILY_NAME,
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OPENTYPE_STRING_PREFERRED_SUBFAMILY_NAME,
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OPENTYPE_STRING_SAMPLE_TEXT,
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OPENTYPE_STRING_FULL_FONTNAME,
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OPENTYPE_STRING_POSTSCRIPT_FONTNAME,
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OPENTYPE_STRING_POSTSCRIPT_CID_NAME
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};
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HRESULT opentype_analyze_font(IDWriteFontFileStream *stream, UINT32* font_count, DWRITE_FONT_FILE_TYPE *file_type, DWRITE_FONT_FACE_TYPE *face_type, BOOL *supported)
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{
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/* TODO: Do font validation */
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const void *font_data;
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const char* tag;
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void *context;
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HRESULT hr;
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hr = IDWriteFontFileStream_ReadFileFragment(stream, &font_data, 0, sizeof(TTC_Header_V1), &context);
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if (FAILED(hr))
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return hr;
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tag = font_data;
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*supported = FALSE;
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*file_type = DWRITE_FONT_FILE_TYPE_UNKNOWN;
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if (face_type)
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*face_type = DWRITE_FONT_FACE_TYPE_UNKNOWN;
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*font_count = 0;
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if (DWRITE_MAKE_OPENTYPE_TAG(tag[0], tag[1], tag[2], tag[3]) == MS_TTCF_TAG)
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{
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const TTC_Header_V1 *header = font_data;
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*font_count = GET_BE_DWORD(header->numFonts);
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*file_type = DWRITE_FONT_FILE_TYPE_TRUETYPE_COLLECTION;
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if (face_type)
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*face_type = DWRITE_FONT_FACE_TYPE_TRUETYPE_COLLECTION;
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*supported = TRUE;
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}
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else if (GET_BE_DWORD(*(DWORD*)font_data) == 0x10000)
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{
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*font_count = 1;
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*file_type = DWRITE_FONT_FILE_TYPE_TRUETYPE;
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if (face_type)
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*face_type = DWRITE_FONT_FACE_TYPE_TRUETYPE;
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*supported = TRUE;
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}
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else if (DWRITE_MAKE_OPENTYPE_TAG(tag[0], tag[1], tag[2], tag[3]) == MS_OTTO_TAG)
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{
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*file_type = DWRITE_FONT_FILE_TYPE_CFF;
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}
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IDWriteFontFileStream_ReleaseFileFragment(stream, context);
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return S_OK;
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}
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HRESULT opentype_get_font_table(IDWriteFontFileStream *stream, DWRITE_FONT_FACE_TYPE type, UINT32 font_index, UINT32 tag,
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const void **table_data, void **table_context, UINT32 *table_size, BOOL *found)
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{
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HRESULT hr;
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TTC_SFNT_V1 *font_header = NULL;
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void *sfnt_context;
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TT_TableRecord *table_record = NULL;
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void *table_record_context;
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int table_count, table_offset = 0;
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int i;
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*found = FALSE;
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if (type == DWRITE_FONT_FACE_TYPE_TRUETYPE_COLLECTION) {
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const TTC_Header_V1 *ttc_header;
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void * ttc_context;
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hr = IDWriteFontFileStream_ReadFileFragment(stream, (const void**)&ttc_header, 0, sizeof(*ttc_header), &ttc_context);
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if (SUCCEEDED(hr)) {
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table_offset = GET_BE_DWORD(ttc_header->OffsetTable[0]);
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if (font_index >= GET_BE_DWORD(ttc_header->numFonts))
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hr = E_INVALIDARG;
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else
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hr = IDWriteFontFileStream_ReadFileFragment(stream, (const void**)&font_header, table_offset, sizeof(*font_header), &sfnt_context);
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IDWriteFontFileStream_ReleaseFileFragment(stream, ttc_context);
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}
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}
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else
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hr = IDWriteFontFileStream_ReadFileFragment(stream, (const void**)&font_header, 0, sizeof(*font_header), &sfnt_context);
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if (FAILED(hr))
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return hr;
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table_count = GET_BE_WORD(font_header->numTables);
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table_offset += sizeof(*font_header);
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for (i = 0; i < table_count; i++)
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{
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hr = IDWriteFontFileStream_ReadFileFragment(stream, (const void**)&table_record, table_offset, sizeof(*table_record), &table_record_context);
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if (FAILED(hr))
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break;
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if (DWRITE_MAKE_OPENTYPE_TAG(table_record->tag[0], table_record->tag[1], table_record->tag[2], table_record->tag[3]) == tag)
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break;
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IDWriteFontFileStream_ReleaseFileFragment(stream, table_record_context);
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table_offset += sizeof(*table_record);
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}
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IDWriteFontFileStream_ReleaseFileFragment(stream, sfnt_context);
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if (SUCCEEDED(hr) && i < table_count)
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{
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int offset = GET_BE_DWORD(table_record->offset);
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int length = GET_BE_DWORD(table_record->length);
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IDWriteFontFileStream_ReleaseFileFragment(stream, table_record_context);
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*found = TRUE;
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*table_size = length;
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hr = IDWriteFontFileStream_ReadFileFragment(stream, table_data, offset, length, table_context);
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}
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return hr;
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}
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/**********
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* CMAP
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**********/
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static int compare_group(const void *a, const void* b)
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{
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const DWORD *chr = a;
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const CMAP_SegmentedCoverage_group *group = b;
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if (*chr < GET_BE_DWORD(group->startCharCode))
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return -1;
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if (*chr > GET_BE_DWORD(group->endCharCode))
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return 1;
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return 0;
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}
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static void CMAP4_GetGlyphIndex(CMAP_SegmentMapping_0* format, UINT32 utf32c, UINT16 *pgi)
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{
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WORD *startCode;
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SHORT *idDelta;
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WORD *idRangeOffset;
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int segment;
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int segment_count = GET_BE_WORD(format->segCountX2)/2;
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/* This is correct because of the padding before startCode */
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startCode = (WORD*)((BYTE*)format + sizeof(CMAP_SegmentMapping_0) + (sizeof(WORD) * segment_count));
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idDelta = (SHORT*)(((BYTE*)startCode) + (sizeof(WORD) * segment_count));
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idRangeOffset = (WORD*)(((BYTE*)idDelta) + (sizeof(WORD) * segment_count));
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segment = 0;
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while(GET_BE_WORD(format->endCode[segment]) < 0xffff)
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{
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if (utf32c <= GET_BE_WORD(format->endCode[segment]))
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break;
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segment++;
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}
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if (segment >= segment_count)
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return;
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TRACE("Segment %i of %i\n",segment, segment_count);
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if (GET_BE_WORD(startCode[segment]) > utf32c)
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return;
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TRACE("In range %i -> %i\n", GET_BE_WORD(startCode[segment]), GET_BE_WORD(format->endCode[segment]));
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if (GET_BE_WORD(idRangeOffset[segment]) == 0)
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{
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*pgi = (SHORT)(GET_BE_WORD(idDelta[segment])) + utf32c;
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}
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else
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{
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WORD ro = GET_BE_WORD(idRangeOffset[segment])/2;
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WORD co = (utf32c - GET_BE_WORD(startCode[segment]));
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WORD *index = (WORD*)((BYTE*)&idRangeOffset[segment] + (ro + co));
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*pgi = GET_BE_WORD(*index);
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}
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}
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static void CMAP12_GetGlyphIndex(CMAP_SegmentedCoverage* format, UINT32 utf32c, UINT16 *pgi)
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{
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CMAP_SegmentedCoverage_group *group;
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group = bsearch(&utf32c, format->groups, GET_BE_DWORD(format->nGroups),
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sizeof(CMAP_SegmentedCoverage_group), compare_group);
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if (group)
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{
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DWORD offset = utf32c - GET_BE_DWORD(group->startCharCode);
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*pgi = GET_BE_DWORD(group->startGlyphID) + offset;
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}
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}
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void opentype_cmap_get_glyphindex(void *data, UINT32 utf32c, UINT16 *pgi)
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{
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CMAP_Header *CMAP_Table = data;
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int i;
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*pgi = 0;
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for (i = 0; i < GET_BE_WORD(CMAP_Table->numTables); i++)
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{
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WORD type;
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WORD *table;
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if (GET_BE_WORD(CMAP_Table->tables[i].platformID) != 3)
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continue;
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table = (WORD*)(((BYTE*)CMAP_Table) + GET_BE_DWORD(CMAP_Table->tables[i].offset));
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type = GET_BE_WORD(*table);
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TRACE("table type %i\n", type);
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switch (type)
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{
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case OPENTYPE_CMAP_TABLE_SEGMENT_MAPPING:
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CMAP4_GetGlyphIndex((CMAP_SegmentMapping_0*) table, utf32c, pgi);
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break;
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case OPENTYPE_CMAP_TABLE_SEGMENTED_COVERAGE:
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CMAP12_GetGlyphIndex((CMAP_SegmentedCoverage*) table, utf32c, pgi);
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break;
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default:
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TRACE("table type %i unhandled.\n", type);
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}
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if (*pgi) return;
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}
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}
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|
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static UINT32 opentype_cmap_get_unicode_ranges_count(const CMAP_Header *CMAP_Table)
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{
|
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UINT32 count = 0;
|
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int i;
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for (i = 0; i < GET_BE_WORD(CMAP_Table->numTables); i++) {
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WORD type;
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WORD *table;
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if (GET_BE_WORD(CMAP_Table->tables[i].platformID) != 3)
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continue;
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table = (WORD*)(((BYTE*)CMAP_Table) + GET_BE_DWORD(CMAP_Table->tables[i].offset));
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type = GET_BE_WORD(*table);
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TRACE("table type %i\n", type);
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|
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switch (type)
|
|
{
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case OPENTYPE_CMAP_TABLE_SEGMENT_MAPPING:
|
|
{
|
|
CMAP_SegmentMapping_0 *format = (CMAP_SegmentMapping_0*)table;
|
|
count += GET_BE_WORD(format->segCountX2)/2;
|
|
break;
|
|
}
|
|
case OPENTYPE_CMAP_TABLE_SEGMENTED_COVERAGE:
|
|
{
|
|
CMAP_SegmentedCoverage *format = (CMAP_SegmentedCoverage*)table;
|
|
count += GET_BE_DWORD(format->nGroups);
|
|
break;
|
|
}
|
|
default:
|
|
FIXME("table type %i unhandled.\n", type);
|
|
}
|
|
}
|
|
|
|
return count;
|
|
}
|
|
|
|
HRESULT opentype_cmap_get_unicode_ranges(void *data, UINT32 max_count, DWRITE_UNICODE_RANGE *ranges, UINT32 *count)
|
|
{
|
|
CMAP_Header *CMAP_Table = data;
|
|
int i, k = 0;
|
|
|
|
if (!CMAP_Table)
|
|
return E_FAIL;
|
|
|
|
*count = opentype_cmap_get_unicode_ranges_count(CMAP_Table);
|
|
|
|
for (i = 0; i < GET_BE_WORD(CMAP_Table->numTables) && k < max_count; i++)
|
|
{
|
|
WORD type;
|
|
WORD *table;
|
|
int j;
|
|
|
|
if (GET_BE_WORD(CMAP_Table->tables[i].platformID) != 3)
|
|
continue;
|
|
|
|
table = (WORD*)(((BYTE*)CMAP_Table) + GET_BE_DWORD(CMAP_Table->tables[i].offset));
|
|
type = GET_BE_WORD(*table);
|
|
TRACE("table type %i\n", type);
|
|
|
|
switch (type)
|
|
{
|
|
case OPENTYPE_CMAP_TABLE_SEGMENT_MAPPING:
|
|
{
|
|
CMAP_SegmentMapping_0 *format = (CMAP_SegmentMapping_0*)table;
|
|
UINT16 segment_count = GET_BE_WORD(format->segCountX2)/2;
|
|
UINT16 *startCode = (WORD*)((BYTE*)format + sizeof(CMAP_SegmentMapping_0) + (sizeof(WORD) * segment_count));
|
|
|
|
for (j = 0; j < segment_count && GET_BE_WORD(format->endCode[j]) < 0xffff && k < max_count; j++, k++) {
|
|
ranges[k].first = GET_BE_WORD(startCode[j]);
|
|
ranges[k].last = GET_BE_WORD(format->endCode[j]);
|
|
}
|
|
break;
|
|
}
|
|
case OPENTYPE_CMAP_TABLE_SEGMENTED_COVERAGE:
|
|
{
|
|
CMAP_SegmentedCoverage *format = (CMAP_SegmentedCoverage*)table;
|
|
for (j = 0; j < GET_BE_DWORD(format->nGroups) && k < max_count; j++, k++) {
|
|
ranges[k].first = GET_BE_DWORD(format->groups[j].startCharCode);
|
|
ranges[k].last = GET_BE_DWORD(format->groups[j].endCharCode);
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
FIXME("table type %i unhandled.\n", type);
|
|
}
|
|
}
|
|
|
|
return *count > max_count ? E_NOT_SUFFICIENT_BUFFER : S_OK;
|
|
}
|
|
|
|
VOID get_font_properties(LPCVOID os2, LPCVOID head, LPCVOID post, DWRITE_FONT_METRICS *metrics, DWRITE_FONT_STRETCH *stretch, DWRITE_FONT_WEIGHT *weight, DWRITE_FONT_STYLE *style)
|
|
{
|
|
TT_OS2_V2 *tt_os2 = (TT_OS2_V2*)os2;
|
|
TT_HEAD *tt_head = (TT_HEAD*)head;
|
|
TT_POST *tt_post = (TT_POST*)post;
|
|
|
|
/* default stretch, weight and style to normal */
|
|
*stretch = DWRITE_FONT_STRETCH_NORMAL;
|
|
*weight = DWRITE_FONT_WEIGHT_NORMAL;
|
|
*style = DWRITE_FONT_STYLE_NORMAL;
|
|
|
|
memset(metrics, 0, sizeof(*metrics));
|
|
|
|
/* DWRITE_FONT_STRETCH enumeration values directly match font data values */
|
|
if (tt_os2)
|
|
{
|
|
if (GET_BE_WORD(tt_os2->usWidthClass) <= DWRITE_FONT_STRETCH_ULTRA_EXPANDED)
|
|
*stretch = GET_BE_WORD(tt_os2->usWidthClass);
|
|
|
|
*weight = GET_BE_WORD(tt_os2->usWeightClass);
|
|
TRACE("stretch=%d, weight=%d\n", *stretch, *weight);
|
|
|
|
metrics->ascent = GET_BE_WORD(tt_os2->sTypoAscender);
|
|
metrics->descent = GET_BE_WORD(tt_os2->sTypoDescender);
|
|
metrics->lineGap = GET_BE_WORD(tt_os2->sTypoLineGap);
|
|
metrics->capHeight = GET_BE_WORD(tt_os2->sCapHeight);
|
|
metrics->xHeight = GET_BE_WORD(tt_os2->sxHeight);
|
|
metrics->strikethroughPosition = GET_BE_WORD(tt_os2->yStrikeoutPosition);
|
|
metrics->strikethroughThickness = GET_BE_WORD(tt_os2->yStrikeoutSize);
|
|
}
|
|
|
|
if (tt_head)
|
|
{
|
|
USHORT macStyle = GET_BE_WORD(tt_head->macStyle);
|
|
metrics->designUnitsPerEm = GET_BE_WORD(tt_head->unitsPerEm);
|
|
if (macStyle & 0x0002)
|
|
*style = DWRITE_FONT_STYLE_ITALIC;
|
|
|
|
}
|
|
|
|
if (tt_post)
|
|
{
|
|
metrics->underlinePosition = GET_BE_WORD(tt_post->underlinePosition);
|
|
metrics->underlineThickness = GET_BE_WORD(tt_post->underlineThickness);
|
|
}
|
|
}
|
|
|
|
HRESULT opentype_get_font_strings_from_id(IDWriteFontFace2 *fontface, DWRITE_INFORMATIONAL_STRING_ID id, IDWriteLocalizedStrings **strings)
|
|
{
|
|
const void *table_data = NULL;
|
|
void *name_context = NULL;
|
|
const TT_NAME_V0 *header;
|
|
BYTE *storage_area = 0;
|
|
BOOL exists = FALSE;
|
|
USHORT count = 0;
|
|
UINT16 name_id;
|
|
UINT32 size;
|
|
HRESULT hr;
|
|
int i;
|
|
|
|
hr = IDWriteFontFace2_TryGetFontTable(fontface, MS_NAME_TAG, &table_data, &size, &name_context, &exists);
|
|
if (FAILED(hr) || !exists) {
|
|
FIXME("failed to get NAME table\n");
|
|
return E_FAIL;
|
|
}
|
|
|
|
hr = create_localizedstrings(strings);
|
|
if (FAILED(hr)) return hr;
|
|
|
|
header = table_data;
|
|
storage_area = (LPBYTE)table_data + GET_BE_WORD(header->stringOffset);
|
|
count = GET_BE_WORD(header->count);
|
|
|
|
name_id = dwriteid_to_opentypeid[id];
|
|
|
|
exists = FALSE;
|
|
for (i = 0; i < count; i++) {
|
|
const TT_NameRecord *record = &header->nameRecord[i];
|
|
USHORT lang_id, length, offset, encoding, platform;
|
|
|
|
if (GET_BE_WORD(record->nameID) != name_id)
|
|
continue;
|
|
|
|
exists = TRUE;
|
|
|
|
/* Right now only accept unicode and windows encoded fonts */
|
|
platform = GET_BE_WORD(record->platformID);
|
|
if (platform != 0 && platform != 3) {
|
|
FIXME("platform %i not supported\n", platform);
|
|
continue;
|
|
}
|
|
|
|
lang_id = GET_BE_WORD(record->languageID);
|
|
length = GET_BE_WORD(record->length);
|
|
offset = GET_BE_WORD(record->offset);
|
|
encoding = GET_BE_WORD(record->encodingID);
|
|
|
|
if (lang_id < 0x8000) {
|
|
WCHAR locale[LOCALE_NAME_MAX_LENGTH];
|
|
WCHAR *name_string;
|
|
UINT codepage = 0;
|
|
|
|
if (platform == 3)
|
|
{
|
|
switch (encoding)
|
|
{
|
|
case TT_NAME_WINDOWS_ENCODING_SYMBOL:
|
|
case TT_NAME_WINDOWS_ENCODING_UCS2:
|
|
break;
|
|
case TT_NAME_WINDOWS_ENCODING_SJIS:
|
|
codepage = 932;
|
|
break;
|
|
case TT_NAME_WINDOWS_ENCODING_PRC:
|
|
codepage = 936;
|
|
break;
|
|
case TT_NAME_WINDOWS_ENCODING_BIG5:
|
|
codepage = 950;
|
|
break;
|
|
case TT_NAME_WINDOWS_ENCODING_WANSUNG:
|
|
codepage = 20949;
|
|
break;
|
|
case TT_NAME_WINDOWS_ENCODING_JOHAB:
|
|
codepage = 1361;
|
|
break;
|
|
default:
|
|
FIXME("encoding %d not handled.\n", encoding);
|
|
}
|
|
}
|
|
|
|
if (codepage) {
|
|
DWORD len = MultiByteToWideChar(codepage, 0, (LPSTR)(storage_area + offset), length, NULL, 0);
|
|
name_string = heap_alloc(sizeof(WCHAR) * len);
|
|
MultiByteToWideChar(codepage, 0, (LPSTR)(storage_area + offset), length, name_string, len);
|
|
}
|
|
else {
|
|
int i;
|
|
|
|
length /= sizeof(WCHAR);
|
|
name_string = heap_strdupnW((LPWSTR)(storage_area + offset), length);
|
|
for (i = 0; i < length; i++)
|
|
name_string[i] = GET_BE_WORD(name_string[i]);
|
|
}
|
|
|
|
if (!LCIDToLocaleName(MAKELCID(lang_id, SORT_DEFAULT), locale, sizeof(locale)/sizeof(WCHAR), 0)) {
|
|
static const WCHAR enusW[] = {'e','n','-','u','s',0};
|
|
FIXME("failed to get locale name for lcid=0x%08x\n", MAKELCID(lang_id, SORT_DEFAULT));
|
|
strcpyW(locale, enusW);
|
|
}
|
|
|
|
TRACE("string %s for locale %s found\n", debugstr_w(name_string), debugstr_w(locale));
|
|
add_localizedstring(*strings, locale, name_string);
|
|
heap_free(name_string);
|
|
}
|
|
else {
|
|
FIXME("handle NAME format 1");
|
|
continue;
|
|
}
|
|
}
|
|
|
|
IDWriteFontFace2_ReleaseFontTable(fontface, name_context);
|
|
|
|
if (!exists) {
|
|
IDWriteLocalizedStrings_Release(*strings);
|
|
*strings = NULL;
|
|
}
|
|
|
|
return hr;
|
|
}
|