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Diffstat (limited to 'vcl/source/fontsubset/sft.cxx')
-rw-r--r-- | vcl/source/fontsubset/sft.cxx | 3354 |
1 files changed, 3354 insertions, 0 deletions
diff --git a/vcl/source/fontsubset/sft.cxx b/vcl/source/fontsubset/sft.cxx new file mode 100644 index 000000000000..964d6a93ac3c --- /dev/null +++ b/vcl/source/fontsubset/sft.cxx @@ -0,0 +1,3354 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2008 by Sun Microsystems, Inc. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_vcl.hxx" + +/* + * Sun Font Tools + * + * Author: Alexander Gelfenbain + * + */ + +#if OSL_DEBUG_LEVEL == 0 +# ifndef NDEBUG +# define NDEBUG +# endif +#endif +#include <assert.h> + +#include <stdlib.h> +#include <string.h> +#include <fcntl.h> +#ifdef UNX +#include <sys/mman.h> +#include <sys/stat.h> +#endif +#include "sft.hxx" +#include "gsub.h" +#if ! (defined(NO_TTCR) && defined(NO_TYPE42)) +#include "ttcr.hxx" +#endif +#ifndef NO_MAPPERS /* include MapChar() and MapString() */ +#include "xlat.hxx" +#endif +#ifndef NO_TYPE3 /* include CreateT3FromTTGlyphs() */ +#include <rtl/crc.h> +#endif + +#include <osl/endian.h> +#include <algorithm> + +#ifdef TEST7 +#include <ctype.h> +#endif + +namespace vcl +{ + +/*- module identification */ + +static const char *modname = "SunTypeTools-TT"; +static const char *modver = "1.0"; +static const char *modextra = "gelf"; + +/*- private functions, constants and data types */ /*FOLD00*/ + +enum PathSegmentType { + PS_NOOP = 0, + PS_MOVETO = 1, + PS_LINETO = 2, + PS_CURVETO = 3, + PS_CLOSEPATH = 4 +}; + +struct PSPathElement +{ + PathSegmentType type; + int x1, y1; + int x2, y2; + int x3, y3; + + PSPathElement( PathSegmentType i_eType ) : type( i_eType ), + x1( 0 ), y1( 0 ), + x2( 0 ), y2( 0 ), + x3( 0 ), y3( 0 ) + { + } +}; + +/*- In horisontal writing mode right sidebearing is calculated using this formula + *- rsb = aw - (lsb + xMax - xMin) -*/ +typedef struct { + sal_Int16 xMin; + sal_Int16 yMin; + sal_Int16 xMax; + sal_Int16 yMax; + sal_uInt16 aw; /*- Advance Width (horisontal writing mode) */ + sal_Int16 lsb; /*- Left sidebearing (horisontal writing mode) */ + sal_uInt16 ah; /*- advance height (vertical writing mode) */ + sal_Int16 tsb; /*- top sidebearing (vertical writing mode) */ +} TTGlyphMetrics; + +#define HFORMAT_LINELEN 64 + +typedef struct { + FILE *o; + char buffer[HFORMAT_LINELEN]; + int bufpos; + int total; +} HexFmt; + +typedef struct { + sal_uInt32 nGlyphs; /* number of glyphs in the font + 1 */ + sal_uInt32 *offs; /* array of nGlyphs offsets */ +} GlyphOffsets; + +/* private tags */ +static const sal_uInt32 TTFontClassTag = 0x74746663; /* 'ttfc' */ + +static const sal_uInt32 T_true = 0x74727565; /* 'true' */ +static const sal_uInt32 T_ttcf = 0x74746366; /* 'ttcf' */ +static const sal_uInt32 T_otto = 0x4f54544f; /* 'OTTO' */ + +/* standard TrueType table tags */ +#define T_maxp 0x6D617870 +#define T_glyf 0x676C7966 +#define T_head 0x68656164 +#define T_loca 0x6C6F6361 +#define T_name 0x6E616D65 +#define T_hhea 0x68686561 +#define T_hmtx 0x686D7478 +#define T_cmap 0x636D6170 +#define T_vhea 0x76686561 +#define T_vmtx 0x766D7478 +#define T_OS2 0x4F532F32 +#define T_post 0x706F7374 +#define T_kern 0x6B65726E +#define T_cvt 0x63767420 +#define T_prep 0x70726570 +#define T_fpgm 0x6670676D +#define T_gsub 0x47535542 +#define T_CFF 0x43464620 + +#define LAST_URANGE_BIT 69 +const char *ulcodes[LAST_URANGE_BIT+2] = { + /* 0 */ "Basic Latin", + /* 1 */ "Latin-1 Supplement", + /* 2 */ "Latin Extended-A", + /* 3 */ "Latin Extended-B", + /* 4 */ "IPA Extensions", + /* 5 */ "Spacing Modifier Letters", + /* 6 */ "Combining Diacritical Marks", + /* 7 */ "Basic Greek", + /* 8 */ "Greek Symbols And Coptic", + /* 9 */ "Cyrillic", + /* 10 */ "Armenian", + /* 11 */ "Basic Hebrew", + /* 12 */ "Hebrew Extended (A and B blocks combined)", + /* 13 */ "Basic Arabic", + /* 14 */ "Arabic Extended", + /* 15 */ "Devanagari", + /* 16 */ "Bengali", + /* 17 */ "Gurmukhi", + /* 18 */ "Gujarati", + /* 19 */ "Oriya", + /* 20 */ "Tamil", + /* 21 */ "Telugu", + /* 22 */ "Kannada", + /* 23 */ "Malayalam", + /* 24 */ "Thai", + /* 25 */ "Lao", + /* 26 */ "Basic Georgian", + /* 27 */ "Georgian Extended", + /* 28 */ "Hangul Jamo", + /* 29 */ "Latin Extended Additional", + /* 30 */ "Greek Extended", + /* 31 */ "General Punctuation", + /* 32 */ "Superscripts And Subscripts", + /* 33 */ "Currency Symbols", + /* 34 */ "Combining Diacritical Marks For Symbols", + /* 35 */ "Letterlike Symbols", + /* 36 */ "Number Forms", + /* 37 */ "Arrows", + /* 38 */ "Mathematical Operators", + /* 39 */ "Miscellaneous Technical", + /* 40 */ "Control Pictures", + /* 41 */ "Optical Character Recognition", + /* 42 */ "Enclosed Alphanumerics", + /* 43 */ "Box Drawing", + /* 44 */ "Block Elements", + /* 45 */ "Geometric Shapes", + /* 46 */ "Miscellaneous Symbols", + /* 47 */ "Dingbats", + /* 48 */ "CJK Symbols And Punctuation", + /* 49 */ "Hiragana", + /* 50 */ "Katakana", + /* 51 */ "Bopomofo", + /* 52 */ "Hangul Compatibility Jamo", + /* 53 */ "CJK Miscellaneous", + /* 54 */ "Enclosed CJK Letters And Months", + /* 55 */ "CJK Compatibility", + /* 56 */ "Hangul", + /* 57 */ "Reserved for Unicode SubRanges", + /* 58 */ "Reserved for Unicode SubRanges", + /* 59 */ "CJK Unified Ideographs", + /* 60 */ "Private Use Area", + /* 61 */ "CJK Compatibility Ideographs", + /* 62 */ "Alphabetic Presentation Forms", + /* 63 */ "Arabic Presentation Forms-A", + /* 64 */ "Combining Half Marks", + /* 65 */ "CJK Compatibility Forms", + /* 66 */ "Small Form Variants", + /* 67 */ "Arabic Presentation Forms-B", + /* 68 */ "Halfwidth And Fullwidth Forms", + /* 69 */ "Specials", + /*70-127*/ "Reserved for Unicode SubRanges" +}; + + + +/*- inline functions */ /*FOLD01*/ +#ifdef __GNUC__ +#define _inline static __inline__ +#else +#define _inline static +#endif + +_inline void *smalloc(size_t size) +{ + void *res = malloc(size); + assert(res != 0); + return res; +} + +_inline void *scalloc(size_t n, size_t size) +{ + void *res = calloc(n, size); + assert(res != 0); + return res; +} + +_inline sal_uInt32 mkTag(sal_uInt8 a, sal_uInt8 b, sal_uInt8 c, sal_uInt8 d) { + return (a << 24) | (b << 16) | (c << 8) | d; +} + +/*- Data access macros for data stored in big-endian or little-endian format */ +_inline sal_Int16 GetInt16(const sal_uInt8 *ptr, size_t offset, int bigendian) +{ + sal_Int16 t; + assert(ptr != 0); + + if (bigendian) { + t = (ptr+offset)[0] << 8 | (ptr+offset)[1]; + } else { + t = (ptr+offset)[1] << 8 | (ptr+offset)[0]; + } + + return t; +} + +_inline sal_uInt16 GetUInt16(const sal_uInt8 *ptr, size_t offset, int bigendian) +{ + sal_uInt16 t; + assert(ptr != 0); + + if (bigendian) { + t = (ptr+offset)[0] << 8 | (ptr+offset)[1]; + } else { + t = (ptr+offset)[1] << 8 | (ptr+offset)[0]; + } + + return t; +} + +_inline sal_Int32 GetInt32(const sal_uInt8 *ptr, size_t offset, int bigendian) +{ + sal_Int32 t; + assert(ptr != 0); + + if (bigendian) { + t = (ptr+offset)[0] << 24 | (ptr+offset)[1] << 16 | + (ptr+offset)[2] << 8 | (ptr+offset)[3]; + } else { + t = (ptr+offset)[3] << 24 | (ptr+offset)[2] << 16 | + (ptr+offset)[1] << 8 | (ptr+offset)[0]; + } + + return t; +} + +_inline sal_uInt32 GetUInt32(const sal_uInt8 *ptr, size_t offset, int bigendian) +{ + sal_uInt32 t; + assert(ptr != 0); + + + if (bigendian) { + t = (ptr+offset)[0] << 24 | (ptr+offset)[1] << 16 | + (ptr+offset)[2] << 8 | (ptr+offset)[3]; + } else { + t = (ptr+offset)[3] << 24 | (ptr+offset)[2] << 16 | + (ptr+offset)[1] << 8 | (ptr+offset)[0]; + } + + return t; +} + +_inline void PutInt16(sal_Int16 val, sal_uInt8 *ptr, size_t offset, int bigendian) +{ + assert(ptr != 0); + + if (bigendian) { + ptr[offset] = (sal_uInt8)((val >> 8) & 0xFF); + ptr[offset+1] = (sal_uInt8)(val & 0xFF); + } else { + ptr[offset+1] = (sal_uInt8)((val >> 8) & 0xFF); + ptr[offset] = (sal_uInt8)(val & 0xFF); + } + +} + +#if defined(OSL_BIGENDIAN) +#define Int16FromMOTA(a) (a) +#define Int32FromMOTA(a) (a) +#else +static sal_uInt16 Int16FromMOTA(sal_uInt16 a) { + return (sal_uInt16) (((sal_uInt8)((a) >> 8)) | ((sal_uInt8)(a) << 8)); +} +static sal_uInt32 Int32FromMOTA(sal_uInt32 a) { + return ((a>>24)&0xFF) | (((a>>8)&0xFF00) | ((a&0xFF00)<<8) | ((a&0xFF)<<24)); +} +#endif + +_inline F16Dot16 fixedMul(F16Dot16 a, F16Dot16 b) +{ + unsigned int a1, b1; + unsigned int a2, b2; + F16Dot16 res; + int sign; + + sign = (a & 0x80000000) ^ (b & 0x80000000); + if (a < 0) a = -a; + if (b < 0) b = -b; + + a1 = a >> 16; + b1 = a & 0xFFFF; + a2 = b >> 16; + b2 = b & 0xFFFF; + + res = a1 * a2; + + /* if (res > 0x7FFF) assert(!"fixedMul: F16Dot16 overflow"); */ + + res <<= 16; + res += a1 * b2 + b1 * a2 + ((b1 * b2) >> 16); + + return sign ? -res : res; +} + + +_inline F16Dot16 fixedDiv(F16Dot16 a, F16Dot16 b) +{ + unsigned int f, r; + F16Dot16 res; + int sign; + + sign = (a & 0x80000000) ^ (b & 0x80000000); + if (a < 0) a = -a; + if (b < 0) b = -b; + + f = a / b; + r = a % b; + + /* if (f > 0x7FFFF) assert(!"fixedDiv: F16Dot16 overflow"); */ + + while (r > 0xFFFF) { + r >>= 1; + b >>= 1; + } + + res = (f << 16) + (r << 16) / b; + + return sign ? -res : res; +} + +/*- returns a * b / c -*/ +/* XXX provide a real implementation that preserves accuracy */ +_inline F16Dot16 fixedMulDiv(F16Dot16 a, F16Dot16 b, F16Dot16 c) +{ + F16Dot16 res; + + res = fixedMul(a, b); + return fixedDiv(res, c); +} + +/*- Translate units from TT to PS (standard 1/1000) -*/ +_inline int XUnits(int unitsPerEm, int n) +{ + return (n * 1000) / unitsPerEm; +} + +_inline const char *UnicodeRangeName(sal_uInt16 bit) +{ + if (bit > LAST_URANGE_BIT) bit = LAST_URANGE_BIT+1; + + return ulcodes[bit]; +} + +_inline const sal_uInt8* getTable( TrueTypeFont *ttf, sal_uInt32 ord) +{ + return (sal_uInt8*)ttf->tables[ord]; +} + +_inline sal_uInt32 getTableSize(TrueTypeFont *ttf, sal_uInt32 ord) +{ + return ttf->tlens[ord]; +} + +#ifndef NO_TYPE42 +/* Hex Formatter functions */ +static char HexChars[] = "0123456789ABCDEF"; + +static HexFmt *HexFmtNew(FILE *outf) +{ + HexFmt* res = (HexFmt*)smalloc(sizeof(HexFmt)); + res->bufpos = res->total = 0; + res->o = outf; + return res; +} + +static void HexFmtFlush(HexFmt *_this) +{ + if (_this->bufpos) { + fwrite(_this->buffer, 1, _this->bufpos, _this->o); + _this->bufpos = 0; + } +} + + +_inline void HexFmtOpenString(HexFmt *_this) +{ + fputs("<\n", _this->o); +} + +_inline void HexFmtCloseString(HexFmt *_this) +{ + HexFmtFlush(_this); + fputs("00\n>\n", _this->o); +} + +_inline void HexFmtDispose(HexFmt *_this) +{ + HexFmtFlush(_this); + free(_this); +} + +static void HexFmtBlockWrite(HexFmt *_this, const void *ptr, sal_uInt32 size) +{ + sal_uInt8 Ch; + sal_uInt32 i; + + if (_this->total + size > 65534) { + HexFmtFlush(_this); + HexFmtCloseString(_this); + _this->total = 0; + HexFmtOpenString(_this); + } + for (i=0; i<size; i++) { + Ch = ((sal_uInt8 *) ptr)[i]; + _this->buffer[_this->bufpos++] = HexChars[Ch >> 4]; + _this->buffer[_this->bufpos++] = HexChars[Ch & 0xF]; + if (_this->bufpos == HFORMAT_LINELEN) { + HexFmtFlush(_this); + fputc('\n', _this->o); + } + + } + _this->total += size; +} +#endif + + + +/* Outline Extraction functions */ /*FOLD01*/ + +/* fills the aw and lsb entries of the TTGlyphMetrics structure from hmtx table -*/ +static void GetMetrics(TrueTypeFont *ttf, sal_uInt32 glyphID, TTGlyphMetrics *metrics) +{ + const sal_uInt8* table = getTable( ttf, O_hmtx ); + + metrics->aw = metrics->lsb = metrics->ah = metrics->tsb = 0; + if (!table || !ttf->numberOfHMetrics) return; + + if (glyphID < ttf->numberOfHMetrics) { + metrics->aw = GetUInt16(table, 4 * glyphID, 1); + metrics->lsb = GetInt16(table, 4 * glyphID + 2, 1); + } else { + metrics->aw = GetUInt16(table, 4 * (ttf->numberOfHMetrics - 1), 1); + metrics->lsb = GetInt16(table + ttf->numberOfHMetrics * 4, (glyphID - ttf->numberOfHMetrics) * 2, 1); + } + + table = getTable(ttf, O_vmtx); + if( !table || !ttf->numOfLongVerMetrics ) + return; + + if (glyphID < ttf->numOfLongVerMetrics) { + metrics->ah = GetUInt16(table, 4 * glyphID, 1); + metrics->tsb = GetInt16(table, 4 * glyphID + 2, 1); + } else { + metrics->ah = GetUInt16(table, 4 * (ttf->numOfLongVerMetrics - 1), 1); + metrics->tsb = GetInt16(table + ttf->numOfLongVerMetrics * 4, (glyphID - ttf->numOfLongVerMetrics) * 2, 1); + } +} + +static int GetTTGlyphOutline(TrueTypeFont *, sal_uInt32 , ControlPoint **, TTGlyphMetrics *, std::vector< sal_uInt32 >* ); + +/* returns the number of control points, allocates the pointArray */ +static int GetSimpleTTOutline(TrueTypeFont *ttf, sal_uInt32 glyphID, ControlPoint **pointArray, TTGlyphMetrics *metrics) /*FOLD02*/ +{ + const sal_uInt8* table = getTable( ttf, O_glyf ); + sal_uInt8 flag, n; + sal_uInt16 t, lastPoint=0; + int i, j, z; + + *pointArray = 0; + + /* printf("GetSimpleTTOutline(%d)\n", glyphID); */ + + if( glyphID >= ttf->nglyphs ) /*- glyph is not present in the font */ + return 0; + const sal_uInt8* ptr = table + ttf->goffsets[glyphID]; + const sal_Int16 numberOfContours = GetInt16(ptr, 0, 1); + if( numberOfContours <= 0 ) /*- glyph is not simple */ + return 0; + + if (metrics) { /*- GetCompoundTTOutline() calls this function with NULL metrics -*/ + metrics->xMin = GetInt16(ptr, 2, 1); + metrics->yMin = GetInt16(ptr, 4, 1); + metrics->xMax = GetInt16(ptr, 6, 1); + metrics->yMax = GetInt16(ptr, 8, 1); + GetMetrics(ttf, glyphID, metrics); + } + + /* determine the last point and be extra safe about it. But probably this code is not needed */ + + for (i=0; i<numberOfContours; i++) { + if ((t = GetUInt16(ptr, 10+i*2, 1)) > lastPoint) lastPoint = t; + } + + sal_uInt16 instLen = GetUInt16(ptr, 10 + numberOfContours*2, 1); + const sal_uInt8* p = ptr + 10 + 2 * numberOfContours + 2 + instLen; + ControlPoint* pa = (ControlPoint*)calloc(lastPoint+1, sizeof(ControlPoint)); + + i = 0; + while (i <= lastPoint) { + pa[i++].flags = (sal_uInt32) (flag = *p++); + if (flag & 8) { /*- repeat flag */ + n = *p++; + for (j=0; j<n; j++) { + if (i > lastPoint) { /*- if the font is really broken */ + free(pa); + return 0; + } + pa[i++].flags = flag; + } + } + } + + /*- Process the X coordinate */ + z = 0; + for (i = 0; i <= lastPoint; i++) { + if (pa[i].flags & 0x02) { + if (pa[i].flags & 0x10) { + z += (int) (*p++); + } else { + z -= (int) (*p++); + } + } else if ( !(pa[i].flags & 0x10)) { + z += GetInt16(p, 0, 1); + p += 2; + } + pa[i].x = (sal_Int16)z; + } + + /*- Process the Y coordinate */ + z = 0; + for (i = 0; i <= lastPoint; i++) { + if (pa[i].flags & 0x04) { + if (pa[i].flags & 0x20) { + z += *p++; + } else { + z -= *p++; + } + } else if ( !(pa[i].flags & 0x20)) { + z += GetInt16(p, 0, 1); + p += 2; + } + pa[i].y = (sal_Int16)z; + } + + for (i=0; i<numberOfContours; i++) { + pa[GetUInt16(ptr, 10 + i * 2, 1)].flags |= 0x00008000; /*- set the end contour flag */ + } + + *pointArray = pa; + return lastPoint + 1; +} + +static int GetCompoundTTOutline(TrueTypeFont *ttf, sal_uInt32 glyphID, ControlPoint **pointArray, TTGlyphMetrics *metrics, std::vector< sal_uInt32 >& glyphlist) /*FOLD02*/ +{ + sal_uInt16 flags, index; + sal_Int16 e, f, numberOfContours; + const sal_uInt8* table = getTable( ttf, O_glyf ); + std::vector<ControlPoint> myPoints; + ControlPoint *nextComponent, *pa; + int i, np; + F16Dot16 a = 0x10000, b = 0, c = 0, d = 0x10000, m, n, abs1, abs2, abs3; + + *pointArray = 0; + /* printf("GetCompoundTTOutline(%d)\n", glyphID); */ + + if (glyphID >= ttf->nglyphs) /*- incorrect glyphID */ + return 0; + + const sal_uInt8* ptr = table + ttf->goffsets[glyphID]; + if ((numberOfContours = GetInt16(ptr, 0, 1)) != -1) /*- glyph is not compound */ + return 0; + + if (metrics) { + metrics->xMin = GetInt16(ptr, 2, 1); + metrics->yMin = GetInt16(ptr, 4, 1); + metrics->xMax = GetInt16(ptr, 6, 1); + metrics->yMax = GetInt16(ptr, 8, 1); + GetMetrics(ttf, glyphID, metrics); + } + + ptr += 10; + + do { + flags = GetUInt16(ptr, 0, 1); + /* printf("flags: 0x%X\n", flags); */ + index = GetUInt16(ptr, 2, 1); + ptr += 4; + + if( std::find( glyphlist.begin(), glyphlist.end(), index ) != glyphlist.end() ) + { +#if OSL_DEBUG_LEVEL > 1 + fprintf(stderr, "Endless loop found in a compound glyph.\n"); + fprintf(stderr, "%d -> ", index); + fprintf(stderr," ["); + for( std::vector< sal_uInt32 >::const_iterator it = glyphlist.begin(); + it != glyphlist.end(); ++it ) + { + fprintf( stderr,"%d ", (int) *it ); + } + fprintf(stderr,"]\n"); + /**/ +#endif + } + + glyphlist.push_back( index ); + +#ifdef DEBUG2 + fprintf(stderr,"glyphlist: += %d\n", index); +#endif + + if ((np = GetTTGlyphOutline(ttf, index, &nextComponent, 0, &glyphlist)) == 0) + { + /* XXX that probably indicates a corrupted font */ +#if OSL_DEBUG_LEVEL > 1 + fprintf(stderr, "An empty compound!\n"); + /* assert(!"An empty compound"); */ +#endif + } + +#ifdef DEBUG2 + fprintf(stderr,"%d [", (int)glyphlist.size() ); + for( std::vector< sal_uInt32 >::const_iterator it = glyphlist.begin(); + it != glyphlist.end(); ++it ) + { + fprintf( stderr,"%d ", (int) *it ); + } + fprintf(stderr, "]\n"); + if( ! glyphlist.empty() ) + fprintf(stderr, "glyphlist: -= %d\n", (int) glyphlist.back()); + +#endif + if( ! glyphlist.empty() ) + glyphlist.pop_back(); + + if (flags & USE_MY_METRICS) { + if (metrics) GetMetrics(ttf, index, metrics); + } + + if (flags & ARG_1_AND_2_ARE_WORDS) { + e = GetInt16(ptr, 0, 1); + f = GetInt16(ptr, 2, 1); + /* printf("ARG_1_AND_2_ARE_WORDS: %d %d\n", e & 0xFFFF, f & 0xFFFF); */ + ptr += 4; + } else { + if (flags & ARGS_ARE_XY_VALUES) { /* args are signed */ + e = (sal_Int8) *ptr++; + f = (sal_Int8) *ptr++; + /* printf("ARGS_ARE_XY_VALUES: %d %d\n", e & 0xFF, f & 0xFF); */ + } else { /* args are unsigned */ + /* printf("!ARGS_ARE_XY_VALUES\n"); */ + e = *ptr++; + f = *ptr++; + } + + } + + a = d = 0x10000; + b = c = 0; + + if (flags & WE_HAVE_A_SCALE) { +#ifdef DEBUG2 + fprintf(stderr, "WE_HAVE_A_SCALE\n"); +#endif + a = GetInt16(ptr, 0, 1) << 2; + d = a; + ptr += 2; + } else if (flags & WE_HAVE_AN_X_AND_Y_SCALE) { +#ifdef DEBUG2 + fprintf(stderr, "WE_HAVE_AN_X_AND_Y_SCALE\n"); +#endif + a = GetInt16(ptr, 0, 1) << 2; + d = GetInt16(ptr, 2, 1) << 2; + ptr += 4; + } else if (flags & WE_HAVE_A_TWO_BY_TWO) { +#ifdef DEBUG2 + fprintf(stderr, "WE_HAVE_A_TWO_BY_TWO\n"); +#endif + a = GetInt16(ptr, 0, 1) << 2; + b = GetInt16(ptr, 2, 1) << 2; + c = GetInt16(ptr, 4, 1) << 2; + d = GetInt16(ptr, 6, 1) << 2; + ptr += 8; + } + + abs1 = (a < 0) ? -a : a; + abs2 = (b < 0) ? -b : b; + m = (abs1 > abs2) ? abs1 : abs2; + abs3 = abs1 - abs2; + if (abs3 < 0) abs3 = -abs3; + if (abs3 <= 33) m *= 2; + + abs1 = (c < 0) ? -c : c; + abs2 = (d < 0) ? -d : d; + n = (abs1 > abs2) ? abs1 : abs2; + abs3 = abs1 - abs2; + if (abs3 < 0) abs3 = -abs3; + if (abs3 <= 33) n *= 2; + + if (!ARGS_ARE_XY_VALUES) { /* match the points */ + assert(!"ARGS_ARE_XY_VALUES is not implemented!!!\n"); + } + +#ifdef DEBUG2 + fprintf(stderr, "a: %f, b: %f, c: %f, d: %f, e: %f, f: %f, m: %f, n: %f\n", + ((double) a) / 65536, + ((double) b) / 65536, + ((double) c) / 65536, + ((double) d) / 65536, + ((double) e) / 65536, + ((double) f) / 65536, + ((double) m) / 65536, + ((double) n) / 65536); +#endif + + for (i=0; i<np; i++) { + F16Dot16 t; + ControlPoint cp; + cp.flags = nextComponent[i].flags; + t = fixedMulDiv(a, nextComponent[i].x << 16, m) + fixedMulDiv(c, nextComponent[i].y << 16, m) + (e << 16); + cp.x = (sal_Int16)(fixedMul(t, m) >> 16); + t = fixedMulDiv(b, nextComponent[i].x << 16, n) + fixedMulDiv(d, nextComponent[i].y << 16, n) + (f << 16); + cp.y = (sal_Int16)(fixedMul(t, n) >> 16); + +#ifdef DEBUG2 + fprintf(stderr, "( %d %d ) -> ( %d %d )\n", nextComponent[i].x, nextComponent[i].y, cp.x, cp.y); +#endif + + myPoints.push_back( cp ); + } + + free(nextComponent); + + } while (flags & MORE_COMPONENTS); + + + + np = myPoints.size(); + + pa = (ControlPoint*)calloc(np, sizeof(ControlPoint)); + assert(pa != 0); + + memcpy( pa, &myPoints[0], np*sizeof(ControlPoint) ); + + *pointArray = pa; + return np; +} + +/* NOTE: GetTTGlyphOutline() returns -1 if the glyphID is incorrect, + * but Get{Simple|Compound}GlyphOutline returns 0 in such a case. + * + * NOTE: glyphlist is the stack of glyphs traversed while constructing + * a composite glyph. This is a safequard against endless recursion + * in corrupted fonts. + */ +static int GetTTGlyphOutline(TrueTypeFont *ttf, sal_uInt32 glyphID, ControlPoint **pointArray, TTGlyphMetrics *metrics, std::vector< sal_uInt32 >* glyphlist) +{ + const sal_uInt8 *table = getTable( ttf, O_glyf ); + sal_Int16 numberOfContours; + int res; + *pointArray = 0; + + if (metrics) { + memset(metrics, 0, sizeof(TTGlyphMetrics)); /*- metrics is initialized to all zeroes */ + } + + if (glyphID >= ttf->nglyphs) return -1; /**/ + + const sal_uInt8* ptr = table + ttf->goffsets[glyphID]; + int length = ttf->goffsets[glyphID+1] - ttf->goffsets[glyphID]; + + if (length == 0) { /*- empty glyphs still have hmtx and vmtx metrics values */ + if (metrics) GetMetrics(ttf, glyphID, metrics); + return 0; + } + + numberOfContours = GetInt16(ptr, 0, 1); + + if (numberOfContours >= 0) + { + res=GetSimpleTTOutline(ttf, glyphID, pointArray, metrics); + } + else + { + std::vector< sal_uInt32 > aPrivList; + aPrivList.push_back( glyphID ); + res = GetCompoundTTOutline(ttf, glyphID, pointArray, metrics, glyphlist ? *glyphlist : aPrivList ); + } + +#ifdef DEBUG3 + { + int i; + FILE *out = fopen("points.dat", "a"); + assert(out != 0); + fprintf(out, "Glyph: %d\nPoints: %d\n", glyphID, res); + for (i=0; i<res; i++) { + fprintf(out, "%c ", ((*pointArray)[i].flags & 0x8000) ? 'X' : '.'); + fprintf(out, "%c ", ((*pointArray)[i].flags & 1) ? '+' : '-'); + fprintf(out, "%d %d\n", (*pointArray)[i].x, (*pointArray)[i].y); + } + fclose(out); + } +#endif + + return res; +} + +#ifndef NO_TYPE3 + +/*- returns the number of items in the path -*/ + +static int BSplineToPSPath(ControlPoint *srcA, int srcCount, PSPathElement **path) +{ + std::vector< PSPathElement > aPathList; + int nPathCount = 0; + PSPathElement p( PS_NOOP ); + + int x0 = 0, y0 = 0, x1 = 0, y1 = 0, x2, y2, curx, cury; + int lastOff = 0; /*- last point was off-contour */ + int scflag = 1; /*- start contour flag */ + int ecflag = 0; /*- end contour flag */ + int cp = 0; /*- current point */ + int StartContour = 0, EndContour = 1; + + *path = 0; + + /* if (srcCount > 0) for(;;) */ + while (srcCount > 0) { /*- srcCount does not get changed inside the loop. */ + if (scflag) { + int l = cp; + StartContour = cp; + while (!(srcA[l].flags & 0x8000)) l++; + EndContour = l; + if (StartContour == EndContour) { + if (cp + 1 < srcCount) { + cp++; + continue; + } else { + break; + } + } + p = PSPathElement(PS_MOVETO); + if (!(srcA[cp].flags & 1)) { + if (!(srcA[EndContour].flags & 1)) { + p.x1 = x0 = (srcA[cp].x + srcA[EndContour].x + 1) / 2; + p.y1 = y0 = (srcA[cp].y + srcA[EndContour].y + 1) / 2; + } else { + p.x1 = x0 = srcA[EndContour].x; + p.y1 = y0 = srcA[EndContour].y; + } + } else { + p.x1 = x0 = srcA[cp].x; + p.y1 = y0 = srcA[cp].y; + cp++; + } + aPathList.push_back( p ); + lastOff = 0; + scflag = 0; + } + + curx = srcA[cp].x; + cury = srcA[cp].y; + + if (srcA[cp].flags & 1) + { + if (lastOff) + { + p = PSPathElement(PS_CURVETO); + p.x1 = x0 + (2 * (x1 - x0) + 1) / 3; + p.y1 = y0 + (2 * (y1 - y0) + 1) / 3; + p.x2 = x1 + (curx - x1 + 1) / 3; + p.y2 = y1 + (cury - y1 + 1) / 3; + p.x3 = curx; + p.y3 = cury; + aPathList.push_back( p ); + } + else + { + if (!(x0 == curx && y0 == cury)) + { /* eliminate empty lines */ + p = PSPathElement(PS_LINETO); + p.x1 = curx; + p.y1 = cury; + aPathList.push_back( p ); + } + } + x0 = curx; y0 = cury; lastOff = 0; + } + else + { + if (lastOff) + { + x2 = (x1 + curx + 1) / 2; + y2 = (y1 + cury + 1) / 2; + p = PSPathElement(PS_CURVETO); + p.x1 = x0 + (2 * (x1 - x0) + 1) / 3; + p.y1 = y0 + (2 * (y1 - y0) + 1) / 3; + p.x2 = x1 + (x2 - x1 + 1) / 3; + p.y2 = y1 + (y2 - y1 + 1) / 3; + p.x3 = x2; + p.y3 = y2; + aPathList.push_back( p ); + x0 = x2; y0 = y2; + x1 = curx; y1 = cury; + } else { + x1 = curx; y1 = cury; + } + lastOff = true; + } + + if (ecflag) { + aPathList.push_back( PSPathElement(PS_CLOSEPATH) ); + scflag = 1; + ecflag = 0; + cp = EndContour + 1; + if (cp >= srcCount) break; + continue; + } + + + if (cp == EndContour) { + cp = StartContour; + ecflag = true; + } else { + cp++; + } + } + + if( (nPathCount = (int)aPathList.size()) > 0) + { + *path = (PSPathElement*)calloc(nPathCount, sizeof(PSPathElement)); + assert(*path != 0); + memcpy( *path, &aPathList[0], nPathCount * sizeof(PSPathElement) ); + } + + return nPathCount; +} + +#endif + +/*- Extracts a string from the name table and allocates memory for it -*/ + +static char *nameExtract( const sal_uInt8* name, int nTableSize, int n, int dbFlag, sal_uInt16** ucs2result ) +{ + int i; + char *res; + const sal_uInt8* ptr = name + GetUInt16(name, 4, 1) + GetUInt16(name + 6, 12 * n + 10, 1); + int len = GetUInt16(name+6, 12 * n + 8, 1); + + // sanity check + if( (len <= 0) || ((ptr+len) > (name+nTableSize)) ) + { + if( ucs2result ) + *ucs2result = NULL; + return NULL; + } + + if( ucs2result ) + *ucs2result = NULL; + if (dbFlag) { + res = (char*)malloc(1 + len/2); + assert(res != 0); + for (i = 0; i < len/2; i++) res[i] = *(ptr + i * 2 + 1); + res[len/2] = 0; + if( ucs2result ) + { + *ucs2result = (sal_uInt16*)malloc( len+2 ); + for (i = 0; i < len/2; i++ ) (*ucs2result)[i] = GetUInt16( ptr, 2*i, 1 ); + (*ucs2result)[len/2] = 0; + } + } else { + res = (char*)malloc(1 + len); + assert(res != 0); + memcpy(res, ptr, len); + res[len] = 0; + } + + return res; +} + +static int findname( const sal_uInt8 *name, sal_uInt16 n, sal_uInt16 platformID, + sal_uInt16 encodingID, sal_uInt16 languageID, sal_uInt16 nameID ) +{ + int l = 0, r = n-1, i; + sal_uInt32 t1, t2; + sal_uInt32 m1, m2; + + if (n == 0) return -1; + + m1 = (platformID << 16) | encodingID; + m2 = (languageID << 16) | nameID; + + do { + i = (l + r) >> 1; + t1 = GetUInt32(name + 6, i * 12 + 0, 1); + t2 = GetUInt32(name + 6, i * 12 + 4, 1); + + if (! ((m1 < t1) || ((m1 == t1) && (m2 < t2)))) l = i + 1; + if (! ((m1 > t1) || ((m1 == t1) && (m2 > t2)))) r = i - 1; + } while (l <= r); + + if (l - r == 2) { + return l - 1; + } + + return -1; +} + +/* XXX marlett.ttf uses (3, 0, 1033) instead of (3, 1, 1033) and does not have any Apple tables. + * Fix: if (3, 1, 1033) is not found - need to check for (3, 0, 1033) + * + * /d/fonts/ttzh_tw/Big5/Hanyi/ma6b5p uses (1, 0, 19) for English strings, instead of (1, 0, 0) + * and does not have (3, 1, 1033) + * Fix: if (1, 0, 0) and (3, 1, 1033) are not found need to look for (1, 0, *) - that will + * require a change in algorithm + * + * /d/fonts/fdltest/Korean/h2drrm has unsorted names and a an unknown (to me) Mac LanguageID, + * but (1, 0, 1042) strings usable + * Fix: change algorithm, and use (1, 0, *) if both standard Mac and MS strings are not found + */ + +static void GetNames(TrueTypeFont *t) +{ + const sal_uInt8* table = getTable( t, O_name ); + int nTableSize = getTableSize(t, O_name); + + if (nTableSize < 4) + { +#if OSL_DEBUG_LEVEL > 1 + fprintf(stderr, "O_name table too small\n"); +#endif + return; + } + + sal_uInt16 n = GetUInt16(table, 2, 1); + int i, r; + sal_Bool bPSNameOK = sal_True; + + /* #129743# simple sanity check for name table entry count */ + if( nTableSize <= n * 12 + 6 ) + n = 0; + + /* PostScript name: preferred Microsoft */ + t->psname = NULL; + if ((r = findname(table, n, 3, 1, 0x0409, 6)) != -1) + t->psname = nameExtract(table, nTableSize, r, 1, NULL); + if ( ! t->psname && (r = findname(table, n, 1, 0, 0, 6)) != -1) + t->psname = nameExtract(table, nTableSize, r, 0, NULL); + if ( ! t->psname && (r = findname(table, n, 3, 0, 0x0409, 6)) != -1) + { + // some symbol fonts like Marlett have a 3,0 name! + t->psname = nameExtract(table, nTableSize, r, 1, NULL); + } + // for embedded font in Ghostscript PDFs + if ( ! t->psname && (r = findname(table, n, 2, 2, 0, 6)) != -1) + { + t->psname = nameExtract(table, nTableSize, r, 0, NULL); + } + if ( ! t->psname ) + { + if ( t->fname ) + { + char* pReverse = t->fname + strlen(t->fname); + /* take only last token of filename */ + while(pReverse != t->fname && *pReverse != '/') pReverse--; + if(*pReverse == '/') pReverse++; + t->psname = strdup(pReverse); + assert(t->psname != 0); + for (i=strlen(t->psname) - 1; i > 0; i--) + { + /*- Remove the suffix -*/ + if (t->psname[i] == '.' ) { + t->psname[i] = 0; + break; + } + } + } + else + t->psname = strdup( "Unknown" ); + } + + /* Font family and subfamily names: preferred Apple */ + t->family = NULL; + if ((r = findname(table, n, 0, 0, 0, 1)) != -1) + t->family = nameExtract(table, nTableSize, r, 1, &t->ufamily); + if ( ! t->family && (r = findname(table, n, 3, 1, 0x0409, 1)) != -1) + t->family = nameExtract(table, nTableSize, r, 1, &t->ufamily); + if ( ! t->family && (r = findname(table, n, 1, 0, 0, 1)) != -1) + t->family = nameExtract(table, nTableSize, r, 0, NULL); + if ( ! t->family && (r = findname(table, n, 3, 1, 0x0411, 1)) != -1) + t->family = nameExtract(table, nTableSize, r, 1, &t->ufamily); + if ( ! t->family && (r = findname(table, n, 3, 0, 0x0409, 1)) != -1) + t->family = nameExtract(table, nTableSize, r, 1, &t->ufamily); + if ( ! t->family ) + { + t->family = strdup(t->psname); + assert(t->family != 0); + } + + t->subfamily = NULL; + t->usubfamily = NULL; + if ((r = findname(table, n, 1, 0, 0, 2)) != -1) + t->subfamily = nameExtract(table, nTableSize, r, 0, &t->usubfamily); + if ( ! t->subfamily && (r = findname(table, n, 3, 1, 0x0409, 2)) != -1) + t->subfamily = nameExtract(table, nTableSize, r, 1, &t->usubfamily); + if ( ! t->subfamily ) + { + t->subfamily = strdup(""); + } + + /* #i60349# sanity check psname + * psname parctically has to be 7bit ascii and should not contains spaces + * there is a class of broken fonts which do not fullfill that at all, so let's try + * if the family name is 7bit ascii and take it instead if so + */ + /* check psname */ + for( i = 0; t->psname[i] != 0 && bPSNameOK; i++ ) + if( t->psname[ i ] < 33 || (t->psname[ i ] & 0x80) ) + bPSNameOK = sal_False; + if( bPSNameOK == sal_False ) + { + sal_Bool bReplace = sal_True; + /* check if family is a suitable replacement */ + if( t->ufamily && t->family ) + { + for( i = 0; t->ufamily[ i ] != 0 && bReplace; i++ ) + if( t->ufamily[ i ] < 33 || t->ufamily[ i ] > 127 ) + bReplace = sal_False; + if( bReplace ) + { + free( t->psname ); + t->psname = strdup( t->family ); + } + } + } +} + +enum cmapType { + CMAP_NOT_USABLE = -1, + CMAP_MS_Symbol = 10, + CMAP_MS_Unicode = 11, + CMAP_MS_ShiftJIS = 12, + CMAP_MS_Big5 = 13, + CMAP_MS_PRC = 14, + CMAP_MS_Wansung = 15, + CMAP_MS_Johab = 16 +}; + +#define MISSING_GLYPH_INDEX 0 + +/* + * getGlyph[0246]() functions and freinds are implemented by: + * @author Manpreet Singh + * getGlyph12() function and friends by: + * @author HDU + */ +static sal_uInt32 getGlyph0(const sal_uInt8* cmap, sal_uInt32 c) { + if (c <= 255) { + return *(cmap + 6 + c); + } else { + return MISSING_GLYPH_INDEX; + } +} + +typedef struct _subHeader2 { + sal_uInt16 firstCode; + sal_uInt16 entryCount; + sal_uInt16 idDelta; + sal_uInt16 idRangeOffset; +} subHeader2; + +static sal_uInt32 getGlyph2(const sal_uInt8 *cmap, sal_uInt32 c) { + sal_uInt16 *CMAP2 = (sal_uInt16 *) cmap; + sal_uInt8 theHighByte; + + sal_uInt8 theLowByte; + subHeader2* subHeader2s; + sal_uInt16* subHeader2Keys; + sal_uInt16 firstCode; + int k; + sal_uInt32 ToReturn; + + theHighByte = (sal_uInt8)((c >> 8) & 0x00ff); + theLowByte = (sal_uInt8)(c & 0x00ff); + subHeader2Keys = CMAP2 + 3; + subHeader2s = (subHeader2 *)(subHeader2Keys + 256); + k = Int16FromMOTA(subHeader2Keys[theHighByte]) / 8; + + if(k == 0) { + firstCode = Int16FromMOTA(subHeader2s[k].firstCode); + if(theLowByte >= firstCode && theLowByte < (firstCode + Int16FromMOTA(subHeader2s[k].entryCount))) { + return *((&(subHeader2s[0].idRangeOffset)) + + (Int16FromMOTA(subHeader2s[0].idRangeOffset)/2) /* + offset */ + + theLowByte /* + to_look */ + - Int16FromMOTA(subHeader2s[0].firstCode) + ); + } else { + return MISSING_GLYPH_INDEX; + } + } else if (k > 0) { + firstCode = Int16FromMOTA(subHeader2s[k].firstCode); + if(theLowByte >= firstCode && theLowByte < (firstCode + Int16FromMOTA(subHeader2s[k].entryCount))) { + ToReturn = *((&(subHeader2s[k].idRangeOffset)) + + (Int16FromMOTA(subHeader2s[k].idRangeOffset)/2) + + theLowByte - firstCode); + if(ToReturn == 0) { + return MISSING_GLYPH_INDEX; + } else { + ToReturn += Int16FromMOTA(subHeader2s[k].idDelta); + return (ToReturn & 0xFFFF); + } + } else { + return MISSING_GLYPH_INDEX; + } + } else { + return MISSING_GLYPH_INDEX; + } +} + +static sal_uInt32 getGlyph6(const sal_uInt8 *cmap, sal_uInt32 c) { + sal_uInt16 firstCode, lastCode, count; + sal_uInt16 *CMAP6 = (sal_uInt16 *) cmap; + + firstCode = Int16FromMOTA(*(CMAP6 + 3)); + count = Int16FromMOTA(*(CMAP6 + 4)); + lastCode = firstCode + count - 1; + if (c < firstCode || c > lastCode) { + return MISSING_GLYPH_INDEX; + } else { + return *((CMAP6 + 5)/*glyphIdArray*/ + (c - firstCode)); + } +} + +static sal_uInt16 GEbinsearch(sal_uInt16 *ar, sal_uInt16 length, sal_uInt16 toSearch) { + signed int low, mid, high, lastfound = 0xffff; + sal_uInt16 res; + if(length == (sal_uInt16)0 || length == (sal_uInt16)0xFFFF) { + return (sal_uInt16)0xFFFF; + } + low = 0; + high = length - 1; + while(high >= low) { + mid = (high + low)/2; + res = Int16FromMOTA(*(ar+mid)); + if(res >= toSearch) { + lastfound = mid; + high = --mid; + } else { + low = ++mid; + } + } + return (sal_uInt16)lastfound; +} + + +static sal_uInt32 getGlyph4(const sal_uInt8 *cmap, sal_uInt32 c) { + sal_uInt16 i; + int ToReturn; + sal_uInt16 segCount; + sal_uInt16 * startCode; + sal_uInt16 * endCode; + sal_uInt16 * idDelta; + /* sal_uInt16 * glyphIdArray; */ + sal_uInt16 * idRangeOffset; + sal_uInt16 * glyphIndexArray; + sal_uInt16 *CMAP4 = (sal_uInt16 *) cmap; + /* sal_uInt16 GEbinsearch(sal_uInt16 *ar, sal_uInt16 length, sal_uInt16 toSearch); */ + + segCount = Int16FromMOTA(*(CMAP4 + 3))/2; + endCode = CMAP4 + 7; + i = GEbinsearch(endCode, segCount, (sal_uInt16)c); + + if (i == (sal_uInt16) 0xFFFF) { + return MISSING_GLYPH_INDEX; + } + startCode = endCode + segCount + 1; + + if(Int16FromMOTA(startCode[i]) > c) { + return MISSING_GLYPH_INDEX; + } + idDelta = startCode + segCount; + idRangeOffset = idDelta + segCount; + glyphIndexArray = idRangeOffset + segCount; + + if(Int16FromMOTA(idRangeOffset[i]) != 0) { + c = Int16FromMOTA(*(&(idRangeOffset[i]) + (Int16FromMOTA(idRangeOffset[i])/2 + (c - Int16FromMOTA(startCode[i]))))); + } + + ToReturn = (Int16FromMOTA(idDelta[i]) + c) & 0xFFFF; + return ToReturn; +} + +static sal_uInt32 getGlyph12(const sal_uInt8 *pCmap, sal_uInt32 cChar) { + const sal_uInt32* pCMAP12 = (const sal_uInt32*)pCmap; + int nLength = Int32FromMOTA( pCMAP12[1] ); + int nGroups = Int32FromMOTA( pCMAP12[3] ); + int nLower = 0; + int nUpper = nGroups; + + if( nUpper > (nLength-16)/12 ) + nUpper = (nLength-16)/12; + + /* binary search in "segmented coverage" subtable */ + while( nLower < nUpper ) { + int nIndex = (nLower + nUpper) / 2; + const sal_uInt32* pEntry = &pCMAP12[ 4 + 3*nIndex ]; + sal_uInt32 cStart = Int32FromMOTA( pEntry[0] ); + sal_uInt32 cLast = Int32FromMOTA( pEntry[1] ); + if( cChar < cStart ) + nUpper = nIndex; + else if( cChar > cLast ) + nLower = nIndex + 1; + else { /* found matching entry! */ + sal_uInt32 nGlyph = Int32FromMOTA( pEntry[2] ); + nGlyph += cChar - cStart; + return nGlyph; + } + } + + return MISSING_GLYPH_INDEX; +} + + +static void FindCmap(TrueTypeFont *ttf) +{ + const sal_uInt8* table = getTable(ttf, O_cmap); + sal_uInt32 table_size = getTableSize(ttf, O_cmap); + sal_uInt16 ncmaps = GetUInt16(table, 2, 1); + unsigned int i; + sal_uInt32 ThreeZero = 0; /* MS Symbol */ + sal_uInt32 ThreeOne = 0; /* MS UCS-2 */ + sal_uInt32 ThreeTwo = 0; /* MS ShiftJIS */ + sal_uInt32 ThreeThree = 0; /* MS Big5 */ + sal_uInt32 ThreeFour = 0; /* MS PRC */ + sal_uInt32 ThreeFive = 0; /* MS Wansung */ + sal_uInt32 ThreeSix = 0; /* MS Johab */ + + for (i = 0; i < ncmaps; i++) { + sal_uInt32 offset; + sal_uInt16 pID, eID; + + /* sanity check, cmap entry must lie within table */ + if( i*8+4 > table_size ) + break; + + pID = GetUInt16(table, 4 + i * 8, 1); + eID = GetUInt16(table, 6 + i * 8, 1); + offset = GetUInt32(table, 8 + i * 8, 1); + + /* sanity check, cmap must lie within file */ + if( (table - ttf->ptr) + offset > (sal_uInt32)ttf->fsize ) + continue; + + /* Unicode tables in Apple fonts */ + if (pID == 0) { + ThreeOne = offset; break; + } + + if (pID == 3) { + switch (eID) { + case 0: ThreeZero = offset; break; + case 10: // UCS-4 + case 1: ThreeOne = offset; break; + case 2: ThreeTwo = offset; break; + case 3: ThreeThree = offset; break; + case 4: ThreeFour = offset; break; + case 5: ThreeFive = offset; break; + case 6: ThreeSix = offset; break; + } + } + } + + if (ThreeOne) { + ttf->cmapType = CMAP_MS_Unicode; + ttf->cmap = table + ThreeOne; + } else if (ThreeTwo) { + ttf->cmapType = CMAP_MS_ShiftJIS; + ttf->cmap = table + ThreeTwo; + } else if (ThreeThree) { + ttf->cmapType = CMAP_MS_Big5; + ttf->cmap = table + ThreeThree; + } else if (ThreeFour) { + ttf->cmapType = CMAP_MS_PRC; + ttf->cmap = table + ThreeFour; + } else if (ThreeFive) { + ttf->cmapType = CMAP_MS_Wansung; + ttf->cmap = table + ThreeFive; + } else if (ThreeSix) { + ttf->cmapType = CMAP_MS_Johab; + ttf->cmap = table + ThreeSix; + } else if (ThreeZero) { + ttf->cmapType = CMAP_MS_Symbol; + ttf->cmap = table + ThreeZero; + } else { + ttf->cmapType = CMAP_NOT_USABLE; + ttf->cmap = 0; + } + + if (ttf->cmapType != CMAP_NOT_USABLE) { + switch (GetUInt16(ttf->cmap, 0, 1)) { + case 0: ttf->mapper = getGlyph0; break; + case 2: ttf->mapper = getGlyph2; break; + case 4: ttf->mapper = getGlyph4; break; + case 6: ttf->mapper = getGlyph6; break; + case 12: ttf->mapper= getGlyph12; break; + default: +#if OSL_DEBUG_LEVEL > 1 + /*- if the cmap table is really broken */ + printf("%s: %d is not a recognized cmap format.\n", ttf->fname, GetUInt16(ttf->cmap, 0, 1)); +#endif + ttf->cmapType = CMAP_NOT_USABLE; + ttf->cmap = 0; + ttf->mapper = 0; + } + } +} + +static void GetKern(TrueTypeFont *ttf) +{ + const sal_uInt8* table = getTable(ttf, O_kern); + const sal_uInt8 *ptr; + + if( !table ) + goto badtable; + + if (GetUInt16(table, 0, 1) == 0) { /* Traditional Microsoft style table with USHORT version and nTables fields */ + ttf->nkern = GetUInt16(table, 2, 1); + ttf->kerntables = (const sal_uInt8**)calloc(ttf->nkern, sizeof(sal_uInt8 *)); + assert(ttf->kerntables != 0); + memset(ttf->kerntables, 0, ttf->nkern * sizeof(sal_uInt8 *)); + ttf->kerntype = KT_MICROSOFT; + ptr = table + 4; + for( unsigned i = 0; i < ttf->nkern; ++i) { + ttf->kerntables[i] = ptr; + ptr += GetUInt16(ptr, 2, 1); + /* sanity check */ + if( ptr > ttf->ptr+ttf->fsize ) + { + free( ttf->kerntables ); + goto badtable; + } + } + return; + } + + if (GetUInt32(table, 0, 1) == 0x00010000) { /* MacOS style kern tables: fixed32 version and sal_uInt32 nTables fields */ + ttf->nkern = GetUInt32(table, 4, 1); + ttf->kerntables = (const sal_uInt8**)calloc(ttf->nkern, sizeof(sal_uInt8*)); + assert(ttf->kerntables != 0); + memset(ttf->kerntables, 0, ttf->nkern * sizeof(sal_uInt8 *)); + ttf->kerntype = KT_APPLE_NEW; + ptr = table + 8; + for( unsigned i = 0; i < ttf->nkern; ++i) { + ttf->kerntables[i] = ptr; + ptr += GetUInt32(ptr, 0, 1); + /* sanity check; there are some fonts that are broken in this regard */ + if( ptr > ttf->ptr+ttf->fsize ) + { + free( ttf->kerntables ); + goto badtable; + } + } + return; + } + + badtable: + ttf->kerntype = KT_NONE; + ttf->kerntables = 0; + + return; +} + +#ifdef TEST5 +/* KernGlyphsPrim?() functions expect the caller to ensure the validity of their arguments and + * that x and y elements of the kern array are initialized to zeroes + */ +static void KernGlyphsPrim1(TrueTypeFont *ttf, sal_uInt16 *glyphs, int nglyphs, int wmode, KernData *kern) +{ + (void)ttf; /* avoid warning */ + (void)glyphs; /* avoid warning */ + (void)nglyphs; /* avoid warning */ + (void)wmode; /* avoid warning */ + (void)nglyphs; /* avoid warning */ + (void)kern; /* avoid warning */ + fprintf(stderr, "MacOS kerning tables have not been implemented yet!\n"); +} + +static void KernGlyphsPrim2(TrueTypeFont *ttf, sal_uInt16 *glyphs, int nglyphs, int wmode, KernData *kern) +{ + sal_uInt32 i, j; + sal_uInt32 gpair; + + if( ! nglyphs ) + return; + + for (i = 0; i < (sal_uInt32)nglyphs - 1; i++) { + gpair = (glyphs[i] << 16) | glyphs[i+1]; +#ifdef DEBUG2 + /* All fonts with MS kern table that I've seen so far contain just one kern subtable. + * MS kern documentation is very poor and I doubt that font developers will be using + * several subtables. I expect them to be using OpenType tables instead. + * According to MS documention, format 2 subtables are not supported by Windows and OS/2. + */ + if (ttf->nkern > 1) { + fprintf(stderr, "KernGlyphsPrim2: %d kern tables found.\n", ttf->nkern); + } +#endif + for (j = 0; j < ttf->nkern; j++) { + sal_uInt16 coverage = GetUInt16(ttf->kerntables[j], 4, 1); + sal_uInt8 *ptr; + int npairs; + sal_uInt32 t; + int l, r, k; + + if (! ((coverage & 1) ^ wmode)) continue; + if ((coverage & 0xFFFE) != 0) { +#ifdef DEBUG2 + fprintf(stderr, "KernGlyphsPrim2: coverage flags are not supported: %04X.\n", coverage); +#endif + continue; + } + ptr = ttf->kerntables[j]; + npairs = GetUInt16(ptr, 6, 1); + ptr += 14; + l = 0; + r = npairs; + do { + k = (l + r) >> 1; + t = GetUInt32(ptr, k * 6, 1); + if (gpair >= t) l = k + 1; + if (gpair <= t) r = k - 1; + } while (l <= r); + if (l - r == 2) { + if (!wmode) { + kern[i].x = XUnits(ttf->unitsPerEm, GetInt16(ptr, 4 + (l-1) * 6, 1)); + } else { + kern[i].y = XUnits(ttf->unitsPerEm, GetInt16(ptr, 4 + (l-1) * 6, 1)); + } + /* !wmode ? kern[i].x : kern[i].y = GetInt16(ptr, 4 + (l-1) * 6, 1); */ + } + } + } +} +#endif + +/*- Public functions */ /*FOLD00*/ + +int CountTTCFonts(const char* fname) +{ + int nFonts = 0; + sal_uInt8 buffer[12]; + FILE* fd = fopen(fname, "rb"); + if( fd ) { + if (fread(buffer, 1, 12, fd) == 12) { + if(GetUInt32(buffer, 0, 1) == T_ttcf ) + nFonts = GetUInt32(buffer, 8, 1); + } + fclose(fd); + } + return nFonts; +} + +static void allocTrueTypeFont( TrueTypeFont** ttf ) +{ + *ttf = (TrueTypeFont*)calloc(1,sizeof(TrueTypeFont)); + if( *ttf != NULL ) + { + (*ttf)->tag = 0; + (*ttf)->fname = 0; + (*ttf)->fsize = -1; + (*ttf)->ptr = 0; + (*ttf)->nglyphs = 0xFFFFFFFF; + (*ttf)->pGSubstitution = 0; + } +} + +/* forward declariotn for the two entry points to use*/ +static int doOpenTTFont( sal_uInt32 facenum, TrueTypeFont* t ); + +#if !defined(WIN32) && !defined(OS2) +int OpenTTFontFile( const char* fname, sal_uInt32 facenum, TrueTypeFont** ttf ) +{ + int ret, fd = -1; + struct stat st; + + if (!fname || !*fname) return SF_BADFILE; + + allocTrueTypeFont( ttf ); + if( ! *ttf ) + return SF_MEMORY; + + (*ttf)->fname = strdup(fname); + if( ! (*ttf)->fname ) + { + ret = SF_MEMORY; + goto cleanup; + } + + fd = open(fname, O_RDONLY); + + if (fd == -1) { + ret = SF_BADFILE; + goto cleanup; + } + + if (fstat(fd, &st) == -1) { + ret = SF_FILEIO; + goto cleanup; + } + + (*ttf)->fsize = st.st_size; + + /* On Mac OS, most likely will happen if a Mac user renames a font file + * to be .ttf when its really a Mac resource-based font. + * Size will be 0, but fonts smaller than 4 bytes would be broken anyway. + */ + if ((*ttf)->fsize == 0) { + ret = SF_BADFILE; + goto cleanup; + } + + if (((*ttf)->ptr = (sal_uInt8 *) mmap(0, (*ttf)->fsize, PROT_READ, MAP_SHARED, fd, 0)) == MAP_FAILED) { + ret = SF_MEMORY; + goto cleanup; + } + close(fd); + + return doOpenTTFont( facenum, *ttf ); + +cleanup: + if (fd != -1) close(fd); + /*- t and t->fname have been allocated! */ + free((*ttf)->fname); + free(*ttf); + *ttf = NULL; + return ret; +} +#endif + +int OpenTTFontBuffer(void* pBuffer, sal_uInt32 nLen, sal_uInt32 facenum, TrueTypeFont** ttf) +{ + allocTrueTypeFont( ttf ); + if( *ttf == NULL ) + return SF_MEMORY; + + (*ttf)->fname = NULL; + (*ttf)->fsize = nLen; + (*ttf)->ptr = (sal_uInt8*)pBuffer; + + return doOpenTTFont( facenum, *ttf ); +} + +static int doOpenTTFont( sal_uInt32 facenum, TrueTypeFont* t ) +{ + int i; + sal_uInt32 length, tag; + sal_uInt32 tdoffset = 0; /* offset to TableDirectory in a TTC file. For TTF files is 0 */ + int indexfmt, k; + + sal_uInt32 version = GetInt32(t->ptr, 0, 1); + + if ((version == 0x00010000) || (version == T_true)) { + tdoffset = 0; + } else if (version == T_otto) { /* PS-OpenType font */ + tdoffset = 0; + } else if (version == T_ttcf) { /* TrueType collection */ + if (GetUInt32(t->ptr, 4, 1) != 0x00010000) { + CloseTTFont(t); + return SF_TTFORMAT; + } + if (facenum >= GetUInt32(t->ptr, 8, 1)) { + CloseTTFont(t); + return SF_FONTNO; + } + tdoffset = GetUInt32(t->ptr, 12 + 4 * facenum, 1); + } else { + CloseTTFont(t); + return SF_TTFORMAT; + } + +#ifdef DEBUG2 + fprintf(stderr, "tdoffset: %d\n", tdoffset); +#endif + + /* magic number */ + t->tag = TTFontClassTag; + + t->ntables = GetUInt16(t->ptr + tdoffset, 4, 1); + if( t->ntables >= 128 ) + return SF_TTFORMAT; + + t->tables = (const sal_uInt8**)calloc(NUM_TAGS, sizeof(sal_uInt8*)); + assert(t->tables != 0); + t->tlens = (sal_uInt32*)calloc(NUM_TAGS, sizeof(sal_uInt32)); + assert(t->tlens != 0); + + memset(t->tables, 0, NUM_TAGS * sizeof(void *)); + memset(t->tlens, 0, NUM_TAGS * sizeof(sal_uInt32)); + + /* parse the tables */ + for (i=0; i<(int)t->ntables; i++) { + int nIndex; + tag = GetUInt32(t->ptr + tdoffset + 12, 16 * i, 1); + switch( tag ) { + case T_maxp: nIndex = O_maxp; break; + case T_glyf: nIndex = O_glyf; break; + case T_head: nIndex = O_head; break; + case T_loca: nIndex = O_loca; break; + case T_name: nIndex = O_name; break; + case T_hhea: nIndex = O_hhea; break; + case T_hmtx: nIndex = O_hmtx; break; + case T_cmap: nIndex = O_cmap; break; + case T_vhea: nIndex = O_vhea; break; + case T_vmtx: nIndex = O_vmtx; break; + case T_OS2 : nIndex = O_OS2; break; + case T_post: nIndex = O_post; break; + case T_kern: nIndex = O_kern; break; + case T_cvt : nIndex = O_cvt; break; + case T_prep: nIndex = O_prep; break; + case T_fpgm: nIndex = O_fpgm; break; + case T_gsub: nIndex = O_gsub; break; + case T_CFF: nIndex = O_CFF; break; + default: nIndex = -1; break; + } + if( nIndex >= 0 ) { + sal_uInt32 nTableOffset = GetUInt32(t->ptr + tdoffset + 12, 16 * i + 8, 1); + length = GetUInt32(t->ptr + tdoffset + 12, 16 * i + 12, 1); + t->tables[nIndex] = t->ptr + nTableOffset; + t->tlens[nIndex] = length; + } + } + + /* Fixup offsets when only a TTC extract was provided */ + if( facenum == (sal_uInt32)~0 ) { + sal_uInt8* pHead = (sal_uInt8*)t->tables[O_head]; + if( !pHead ) + return SF_TTFORMAT; + /* limit Head candidate to TTC extract's limits */ + if( pHead > t->ptr + (t->fsize - 54) ) + pHead = t->ptr + (t->fsize - 54); + /* TODO: find better method than searching head table's magic */ + sal_uInt8* p = NULL; + for( p = pHead + 12; p > t->ptr; --p ) { + if( p[0]==0x5F && p[1]==0x0F && p[2]==0x3C && p[3]==0xF5 ) { + int nDelta = (pHead + 12) - p, j; + if( nDelta ) + for( j=0; j<NUM_TAGS; ++j ) + if( t->tables[j] ) + *(char**)&t->tables[j] -= nDelta; + break; + } + } + if( p <= t->ptr ) + return SF_TTFORMAT; + } + + /* Check the table offsets after TTC correction */ + for (i=0; i<NUM_TAGS; i++) { + /* sanity check: table must lay completely within the file + * at this point one could check the checksum of all contained + * tables, but this would be quite time intensive. + * Try to fix tables, so we can cope with minor problems. + */ + + if( (sal_uInt8*)t->tables[i] < t->ptr ) + { +#if OSL_DEBUG_LEVEL > 1 + if( t->tables[i] ) + fprintf( stderr, "font file %s has bad table offset %d (tagnum=%d)\n", t->fname, (sal_uInt8*)t->tables[i]-t->ptr, i ); +#endif + t->tlens[i] = 0; + t->tables[i] = NULL; + } + else if( (sal_uInt8*)t->tables[i] + t->tlens[i] > t->ptr + t->fsize ) + { + int nMaxLen = (t->ptr + t->fsize) - (sal_uInt8*)t->tables[i]; + if( nMaxLen < 0 ) + nMaxLen = 0; + t->tlens[i] = nMaxLen; +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr, "font file %s has too big table (tagnum=%d)\n", t->fname, i ); +#endif + } + } + + /* At this point TrueTypeFont is constructed, now need to verify the font format + and read the basic font properties */ + + /* The following tables are absolutely required: + * maxp, head, name, cmap + */ + + if( !(getTable(t, O_maxp) && getTable(t, O_head) && getTable(t, O_name) && getTable(t, O_cmap)) ) { + CloseTTFont(t); + return SF_TTFORMAT; + } + + const sal_uInt8* table = getTable(t, O_maxp); + t->nglyphs = GetUInt16(table, 4, 1); + + table = getTable(t, O_head); + t->unitsPerEm = GetUInt16(table, 18, 1); + indexfmt = GetInt16(table, 50, 1); + + if( ((indexfmt != 0) && (indexfmt != 1)) || (t->unitsPerEm <= 0) ) { + CloseTTFont(t); + return SF_TTFORMAT; + } + + if( getTable(t, O_glyf) && getTable(t, O_loca) ) { /* TTF or TTF-OpenType */ + k = (getTableSize(t, O_loca) / (indexfmt ? 4 : 2)) - 1; + if( k < (int)t->nglyphs ) /* Hack for broken Chinese fonts */ + t->nglyphs = k; + + table = getTable(t, O_loca); + t->goffsets = (sal_uInt32 *) calloc(1+t->nglyphs, sizeof(sal_uInt32)); + assert(t->goffsets != 0); + + for( i = 0; i <= (int)t->nglyphs; ++i ) + t->goffsets[i] = indexfmt ? GetUInt32(table, i << 2, 1) : (sal_uInt32)GetUInt16(table, i << 1, 1) << 1; + } else if( getTable(t, O_CFF) ) { /* PS-OpenType */ + t->goffsets = (sal_uInt32 *) calloc(1+t->nglyphs, sizeof(sal_uInt32)); + /* TODO: implement to get subsetting */ + assert(t->goffsets != 0); + } else { + CloseTTFont(t); + return SF_TTFORMAT; + } + + table = getTable(t, O_hhea); + t->numberOfHMetrics = (table != 0) ? GetUInt16(table, 34, 1) : 0; + + table = getTable(t, O_vhea); + t->numOfLongVerMetrics = (table != 0) ? GetUInt16(table, 34, 1) : 0; + + GetNames(t); + FindCmap(t); + GetKern(t); + ReadGSUB( t, 0, 0 ); + + return SF_OK; +} + +void CloseTTFont(TrueTypeFont *ttf) /*FOLD01*/ +{ + if (ttf->tag != TTFontClassTag) return; + +#if !defined(WIN32) && !defined(OS2) + if( ttf->fname ) + munmap((char *) ttf->ptr, ttf->fsize); +#endif + free(ttf->fname); + free(ttf->goffsets); + free(ttf->psname); + free(ttf->family); + if( ttf->ufamily ) + free( ttf->ufamily ); + free(ttf->subfamily); + if( ttf->usubfamily ) + free( ttf->usubfamily ); + free(ttf->tables); + free(ttf->tlens); + free(ttf->kerntables); + + ReleaseGSUB(ttf); + + free(ttf); + return; +} + +int GetTTGlyphPoints(TrueTypeFont *ttf, sal_uInt32 glyphID, ControlPoint **pointArray) +{ + return GetTTGlyphOutline(ttf, glyphID, pointArray, 0, 0); +} + +int GetTTGlyphComponents(TrueTypeFont *ttf, sal_uInt32 glyphID, std::vector< sal_uInt32 >& glyphlist) +{ + int n = 1; + + if( glyphID >= ttf->nglyphs ) + return 0; + + const sal_uInt8* glyf = getTable(ttf, O_glyf); + const sal_uInt8* ptr = glyf + ttf->goffsets[glyphID]; + + glyphlist.push_back( glyphID ); + + if (GetInt16(ptr, 0, 1) == -1) { + sal_uInt16 flags, index; + ptr += 10; + do { + flags = GetUInt16(ptr, 0, 1); + index = GetUInt16(ptr, 2, 1); + + ptr += 4; + n += GetTTGlyphComponents(ttf, index, glyphlist); + + if (flags & ARG_1_AND_2_ARE_WORDS) { + ptr += 4; + } else { + ptr += 2; + } + + if (flags & WE_HAVE_A_SCALE) { + ptr += 2; + } else if (flags & WE_HAVE_AN_X_AND_Y_SCALE) { + ptr += 4; + } else if (flags & WE_HAVE_A_TWO_BY_TWO) { + ptr += 8; + } + } while (flags & MORE_COMPONENTS); + } + + return n; +} + +#ifndef NO_TYPE3 +int CreateT3FromTTGlyphs(TrueTypeFont *ttf, FILE *outf, const char *fname, /*FOLD00*/ + sal_uInt16 *glyphArray, sal_uInt8 *encoding, int nGlyphs, + int wmode) +{ + ControlPoint *pa; + PSPathElement *path; + int i, j, r, n; + const sal_uInt8* table = getTable(ttf, O_head); + TTGlyphMetrics metrics; + int UPEm = ttf->unitsPerEm; + + const char *h01 = "%%!PS-AdobeFont-%d.%d-%d.%d\n"; + const char *h02 = "%% Creator: %s %s %s\n"; + const char *h09 = "%% Original font name: %s\n"; + + const char *h10 = + "30 dict begin\n" + "/PaintType 0 def\n" + "/FontType 3 def\n" + "/StrokeWidth 0 def\n"; + + const char *h11 = "/FontName (%s) cvn def\n"; + + /* + const char *h12 = "%/UniqueID %d def\n"; + */ + const char *h13 = "/FontMatrix [.001 0 0 .001 0 0] def\n"; + const char *h14 = "/FontBBox [%d %d %d %d] def\n"; + + const char *h15= + "/Encoding 256 array def\n" + " 0 1 255 {Encoding exch /.notdef put} for\n"; + + const char *h16 = " Encoding %d /glyph%d put\n"; + const char *h17 = "/XUID [103 0 0 16#%08X %d 16#%08X 16#%08X] def\n"; + + const char *h30 = "/CharProcs %d dict def\n"; + const char *h31 = " CharProcs begin\n"; + const char *h32 = " /.notdef {} def\n"; + const char *h33 = " /glyph%d {\n"; + const char *h34 = " } bind def\n"; + const char *h35 = " end\n"; + + const char *h40 = + "/BuildGlyph {\n" + " exch /CharProcs get exch\n" + " 2 copy known not\n" + " {pop /.notdef} if\n" + " get exec\n" + "} bind def\n" + "/BuildChar {\n" + " 1 index /Encoding get exch get\n" + " 1 index /BuildGlyph get exec\n" + "} bind def\n" + "currentdict end\n"; + + const char *h41 = "(%s) cvn exch definefont pop\n"; + + + if (!((nGlyphs > 0) && (nGlyphs <= 256))) return SF_GLYPHNUM; + if (!glyphArray) return SF_BADARG; + if (!fname) fname = ttf->psname; + + fprintf(outf, h01, GetInt16(table, 0, 1), GetUInt16(table, 2, 1), GetInt16(table, 4, 1), GetUInt16(table, 6, 1)); + fprintf(outf, h02, modname, modver, modextra); + fprintf(outf, h09, ttf->psname); + + fprintf(outf, h10); + fprintf(outf, h11, fname); +/* fprintf(outf, h12, 4000000); */ + + /* XUID generation: + * 103 0 0 C1 C2 C3 C4 + * C1 - CRC-32 of the entire source TrueType font + * C2 - number of glyphs in the subset + * C3 - CRC-32 of the glyph array + * C4 - CRC-32 of the encoding array + * + * All CRC-32 numbers are presented as hexadecimal numbers + */ + + fprintf(outf, h17, rtl_crc32(0, ttf->ptr, ttf->fsize), nGlyphs, rtl_crc32(0, glyphArray, nGlyphs * 2), rtl_crc32(0, encoding, nGlyphs)); + fprintf(outf, h13); + fprintf(outf, h14, XUnits(UPEm, GetInt16(table, 36, 1)), XUnits(UPEm, GetInt16(table, 38, 1)), XUnits(UPEm, GetInt16(table, 40, 1)), XUnits(UPEm, GetInt16(table, 42, 1))); + fprintf(outf, h15); + + for (i = 0; i < nGlyphs; i++) { + fprintf(outf, h16, encoding[i], i); + } + + fprintf(outf, h30, nGlyphs+1); + fprintf(outf, h31); + fprintf(outf, h32); + + for (i = 0; i < nGlyphs; i++) { + fprintf(outf, h33, i); + r = GetTTGlyphOutline(ttf, glyphArray[i] < ttf->nglyphs ? glyphArray[i] : 0, &pa, &metrics, 0); + + if (r > 0) { + n = BSplineToPSPath(pa, r, &path); + } else { + n = 0; /* glyph might have zero contours but valid metrics ??? */ + path = 0; + if (r < 0) { /* glyph is not present in the font - pa array was not allocated, so no need to free it */ + continue; + } + } + fprintf(outf, "\t%d %d %d %d %d %d setcachedevice\n", + wmode == 0 ? XUnits(UPEm, metrics.aw) : 0, + wmode == 0 ? 0 : -XUnits(UPEm, metrics.ah), + XUnits(UPEm, metrics.xMin), + XUnits(UPEm, metrics.yMin), + XUnits(UPEm, metrics.xMax), + XUnits(UPEm, metrics.yMax)); + + for (j = 0; j < n; j++) + { + switch (path[j].type) + { + case PS_MOVETO: + fprintf(outf, "\t%d %d moveto\n", XUnits(UPEm, path[j].x1), XUnits(UPEm, path[j].y1)); + break; + + case PS_LINETO: + fprintf(outf, "\t%d %d lineto\n", XUnits(UPEm, path[j].x1), XUnits(UPEm, path[j].y1)); + break; + + case PS_CURVETO: + fprintf(outf, "\t%d %d %d %d %d %d curveto\n", XUnits(UPEm, path[j].x1), XUnits(UPEm, path[j].y1), XUnits(UPEm, path[j].x2), XUnits(UPEm, path[j].y2), XUnits(UPEm, path[j].x3), XUnits(UPEm, path[j].y3)); + break; + + case PS_CLOSEPATH: + fprintf(outf, "\tclosepath\n"); + break; + case PS_NOOP: + break; + } + } + if (n > 0) fprintf(outf, "\tfill\n"); /* if glyph is not a whitespace character */ + + fprintf(outf, h34); + + free(pa); + free(path); + } + fprintf(outf, h35); + + fprintf(outf, h40); + fprintf(outf, h41, fname); + + return SF_OK; +} +#endif + +#ifndef NO_TTCR +int CreateTTFromTTGlyphs(TrueTypeFont *ttf, + const char *fname, + sal_uInt16 *glyphArray, + sal_uInt8 *encoding, + int nGlyphs, + int nNameRecs, + NameRecord *nr, + sal_uInt32 flags) +{ + TrueTypeCreator *ttcr; + TrueTypeTable *head=0, *hhea=0, *maxp=0, *cvt=0, *prep=0, *glyf=0, *fpgm=0, *cmap=0, *name=0, *post = 0, *os2 = 0; + int i; + int res; + + TrueTypeCreatorNewEmpty(T_true, &ttcr); + + /** name **/ + + if (flags & TTCF_AutoName) { + /* not implemented yet + NameRecord *names; + NameRecord newname; + int n = GetTTNameRecords(ttf, &names); + int n1 = 0, n2 = 0, n3 = 0, n4 = 0, n5 = 0, n6 = 0; + sal_uInt8 *cp1; + sal_uInt8 suffix[32]; + sal_uInt32 c1 = crc32(glyphArray, nGlyphs * 2); + sal_uInt32 c2 = crc32(encoding, nGlyphs); + int len; + snprintf(suffix, 31, "S%08X%08X-%d", c1, c2, nGlyphs); + + name = TrueTypeTableNew_name(0, 0); + for (i = 0; i < n; i++) { + if (names[i].platformID == 1 && names[i].encodingID == 0 && names[i].languageID == 0 && names[i].nameID == 1) { + + memcpy(newname, names+i, sizeof(NameRecord)); + newname.slen = name[i].slen + strlen(suffix); + */ + const sal_uInt8 ptr[] = {0,'T',0,'r',0,'u',0,'e',0,'T',0,'y',0,'p',0,'e',0,'S',0,'u',0,'b',0,'s',0,'e',0,'t'}; + NameRecord n1 = {1, 0, 0, 6, 14, (sal_uInt8*)"TrueTypeSubset"}; + NameRecord n2 = {3, 1, 1033, 6, 28, 0}; + n2.sptr = (sal_uInt8 *) ptr; + name = TrueTypeTableNew_name(0, 0); + nameAdd(name, &n1); + nameAdd(name, &n2); + } else { + if (nNameRecs == 0) { + NameRecord *names; + int n = GetTTNameRecords(ttf, &names); + name = TrueTypeTableNew_name(n, names); + DisposeNameRecords(names, n); + } else { + name = TrueTypeTableNew_name(nNameRecs, nr); + } + } + + /** maxp **/ + maxp = TrueTypeTableNew_maxp(getTable(ttf, O_maxp), getTableSize(ttf, O_maxp)); + + /** hhea **/ + const sal_uInt8* p = getTable(ttf, O_hhea); + if (p) { + hhea = TrueTypeTableNew_hhea(GetUInt16(p, 4, 1), GetUInt16(p, 6, 1), GetUInt16(p, 8, 1), GetUInt16(p, 18, 1), GetUInt16(p, 20, 1)); + } else { + hhea = TrueTypeTableNew_hhea(0, 0, 0, 0, 0); + } + + /** head **/ + + p = getTable(ttf, O_head); + assert(p != 0); + head = TrueTypeTableNew_head(GetUInt32(p, 4, 1), + GetUInt16(p, 16, 1), + GetUInt16(p, 18, 1), + p+20, + GetUInt16(p, 44, 1), + GetUInt16(p, 46, 1), + GetInt16(p, 48, 1)); + + + /** glyf **/ + + glyf = TrueTypeTableNew_glyf(); + sal_uInt32* gID = (sal_uInt32*)scalloc(nGlyphs, sizeof(sal_uInt32)); + + for (i = 0; i < nGlyphs; i++) { + gID[i] = glyfAdd(glyf, GetTTRawGlyphData(ttf, glyphArray[i]), ttf); + } + + /** cmap **/ + cmap = TrueTypeTableNew_cmap(); + + for (i=0; i < nGlyphs; i++) { + cmapAdd(cmap, 0x010000, encoding[i], gID[i]); + } + + /** cvt **/ + if ((p = getTable(ttf, O_cvt)) != 0) { + cvt = TrueTypeTableNew(T_cvt, getTableSize(ttf, O_cvt), p); + } + + /** prep **/ + if ((p = getTable(ttf, O_prep)) != 0) { + prep = TrueTypeTableNew(T_prep, getTableSize(ttf, O_prep), p); + } + + /** fpgm **/ + if ((p = getTable(ttf, O_fpgm)) != 0) { + fpgm = TrueTypeTableNew(T_fpgm, getTableSize(ttf, O_fpgm), p); + } + + /** post **/ + if ((p = getTable(ttf, O_post)) != 0) { + post = TrueTypeTableNew_post(0x00030000, + GetUInt32(p, 4, 1), + GetUInt16(p, 8, 1), + GetUInt16(p, 10, 1), + GetUInt16(p, 12, 1)); + } else { + post = TrueTypeTableNew_post(0x00030000, 0, 0, 0, 0); + } + + if (flags & TTCF_IncludeOS2) { + if ((p = getTable(ttf, O_OS2)) != 0) { + os2 = TrueTypeTableNew(T_OS2, getTableSize(ttf, O_OS2), p); + } + } + + AddTable(ttcr, name); AddTable(ttcr, maxp); AddTable(ttcr, hhea); + AddTable(ttcr, head); AddTable(ttcr, glyf); AddTable(ttcr, cmap); + AddTable(ttcr, cvt ); AddTable(ttcr, prep); AddTable(ttcr, fpgm); + AddTable(ttcr, post); AddTable(ttcr, os2); + + if ((res = StreamToFile(ttcr, fname)) != SF_OK) { +#if OSL_DEBUG_LEVEL > 1 + fprintf(stderr, "StreamToFile: error code: %d.\n", res); +#endif + } + + TrueTypeCreatorDispose(ttcr); + free(gID); + + return res; +} +#endif + + +#ifndef NO_TYPE42 +static GlyphOffsets *GlyphOffsetsNew(sal_uInt8 *sfntP) +{ + GlyphOffsets* res = (GlyphOffsets*)smalloc(sizeof(GlyphOffsets)); + sal_uInt8 *loca = NULL; + sal_uInt16 i, numTables = GetUInt16(sfntP, 4, 1); + sal_uInt32 locaLen = 0; + sal_Int16 indexToLocFormat = 0; + + for (i = 0; i < numTables; i++) { + sal_uInt32 tag = GetUInt32(sfntP + 12, 16 * i, 1); + sal_uInt32 off = GetUInt32(sfntP + 12, 16 * i + 8, 1); + sal_uInt32 len = GetUInt32(sfntP + 12, 16 * i + 12, 1); + + if (tag == T_loca) { + loca = sfntP + off; + locaLen = len; + } else if (tag == T_head) { + indexToLocFormat = GetInt16(sfntP + off, 50, 1); + } + } + + res->nGlyphs = locaLen / ((indexToLocFormat == 1) ? 4 : 2); + assert(res->nGlyphs != 0); + res->offs = (sal_uInt32*)scalloc(res->nGlyphs, sizeof(sal_uInt32)); + + for (i = 0; i < res->nGlyphs; i++) { + if (indexToLocFormat == 1) { + res->offs[i] = GetUInt32(loca, i * 4, 1); + } else { + res->offs[i] = GetUInt16(loca, i * 2, 1) << 1; + } + } + return res; +} + +static void GlyphOffsetsDispose(GlyphOffsets *_this) +{ + if (_this) { + free(_this->offs); + free(_this); + } +} + +static void DumpSfnts(FILE *outf, sal_uInt8 *sfntP) +{ + HexFmt *h = HexFmtNew(outf); + sal_uInt16 i, numTables = GetUInt16(sfntP, 4, 1); + GlyphOffsets *go = GlyphOffsetsNew(sfntP); + sal_uInt8 pad[] = {0,0,0,0}; /* zeroes */ + + assert(numTables <= 9); /* Type42 has 9 required tables */ + + sal_uInt32* offs = (sal_uInt32*)scalloc(numTables, sizeof(sal_uInt32)); +// sal_uInt32* lens = (sal_uInt32*)scalloc(numTables, sizeof(sal_uInt32)); + + fputs("/sfnts [", outf); + HexFmtOpenString(h); + HexFmtBlockWrite(h, sfntP, 12); /* stream out the Offset Table */ + HexFmtBlockWrite(h, sfntP+12, 16 * numTables); /* stream out the Table Directory */ + + for (i=0; i<numTables; i++) { + sal_uInt32 tag = GetUInt32(sfntP + 12, 16 * i, 1); + sal_uInt32 off = GetUInt32(sfntP + 12, 16 * i + 8, 1); + sal_uInt32 len = GetUInt32(sfntP + 12, 16 * i + 12, 1); + + if (tag != T_glyf) { + HexFmtBlockWrite(h, sfntP + off, len); + } else { + sal_uInt8 *glyf = sfntP + off; + sal_uInt32 o, l, j; + for (j = 0; j < go->nGlyphs - 1; j++) { + o = go->offs[j]; + l = go->offs[j + 1] - o; + HexFmtBlockWrite(h, glyf + o, l); + } + } + HexFmtBlockWrite(h, pad, (4 - (len & 3)) & 3); + } + HexFmtCloseString(h); + fputs("] def\n", outf); + GlyphOffsetsDispose(go); + HexFmtDispose(h); + free(offs); +// free(lens); +} + +int CreateT42FromTTGlyphs(TrueTypeFont *ttf, + FILE *outf, + const char *psname, + sal_uInt16 *glyphArray, + sal_uInt8 *encoding, + int nGlyphs) +{ + TrueTypeCreator *ttcr; + TrueTypeTable *head=0, *hhea=0, *maxp=0, *cvt=0, *prep=0, *glyf=0, *fpgm=0; + int i; + int res; + + sal_uInt32 ver, rev; + + sal_uInt8 *sfntP; + sal_uInt32 sfntLen; + int UPEm = ttf->unitsPerEm; + + if (nGlyphs >= 256) return SF_GLYPHNUM; + + assert(psname != 0); + + TrueTypeCreatorNewEmpty(T_true, &ttcr); + + /* head */ + const sal_uInt8* p = getTable(ttf, O_head); + const sal_uInt8* headP = p; + assert(p != 0); + head = TrueTypeTableNew_head(GetUInt32(p, 4, 1), GetUInt16(p, 16, 1), GetUInt16(p, 18, 1), p+20, GetUInt16(p, 44, 1), GetUInt16(p, 46, 1), GetInt16(p, 48, 1)); + ver = GetUInt32(p, 0, 1); + rev = GetUInt32(p, 4, 1); + + /** hhea **/ + p = getTable(ttf, O_hhea); + if (p) { + hhea = TrueTypeTableNew_hhea(GetUInt16(p, 4, 1), GetUInt16(p, 6, 1), GetUInt16(p, 8, 1), GetUInt16(p, 18, 1), GetUInt16(p, 20, 1)); + } else { + hhea = TrueTypeTableNew_hhea(0, 0, 0, 0, 0); + } + + /** maxp **/ + maxp = TrueTypeTableNew_maxp(getTable(ttf, O_maxp), getTableSize(ttf, O_maxp)); + + /** cvt **/ + if ((p = getTable(ttf, O_cvt)) != 0) { + cvt = TrueTypeTableNew(T_cvt, getTableSize(ttf, O_cvt), p); + } + + /** prep **/ + if ((p = getTable(ttf, O_prep)) != 0) { + prep = TrueTypeTableNew(T_prep, getTableSize(ttf, O_prep), p); + } + + /** fpgm **/ + if ((p = getTable(ttf, O_fpgm)) != 0) { + fpgm = TrueTypeTableNew(T_fpgm, getTableSize(ttf, O_fpgm), p); + } + + /** glyf **/ + glyf = TrueTypeTableNew_glyf(); + sal_uInt16* gID = (sal_uInt16*)scalloc(nGlyphs, sizeof(sal_uInt32)); + + for (i = 0; i < nGlyphs; i++) { + gID[i] = (sal_uInt16)glyfAdd(glyf, GetTTRawGlyphData(ttf, glyphArray[i]), ttf); + } + + AddTable(ttcr, head); AddTable(ttcr, hhea); AddTable(ttcr, maxp); AddTable(ttcr, cvt); + AddTable(ttcr, prep); AddTable(ttcr, glyf); AddTable(ttcr, fpgm); + + if ((res = StreamToMemory(ttcr, &sfntP, &sfntLen)) != SF_OK) { + TrueTypeCreatorDispose(ttcr); + free(gID); + return res; + } + + fprintf(outf, "%%!PS-TrueTypeFont-%d.%d-%d.%d\n", (int)(ver>>16), (int)(ver & 0xFFFF), (int)(rev>>16), (int)(rev & 0xFFFF)); + fprintf(outf, "%%%%Creator: %s %s %s\n", modname, modver, modextra); + fprintf(outf, "%%- Font subset generated from a source font file: '%s'\n", ttf->fname); + fprintf(outf, "%%- Original font name: %s\n", ttf->psname); + fprintf(outf, "%%- Original font family: %s\n", ttf->family); + fprintf(outf, "%%- Original font sub-family: %s\n", ttf->subfamily); + fprintf(outf, "11 dict begin\n"); + fprintf(outf, "/FontName (%s) cvn def\n", psname); + fprintf(outf, "/PaintType 0 def\n"); + fprintf(outf, "/FontMatrix [1 0 0 1 0 0] def\n"); + fprintf(outf, "/FontBBox [%d %d %d %d] def\n", XUnits(UPEm, GetInt16(headP, 36, 1)), XUnits(UPEm, GetInt16(headP, 38, 1)), XUnits(UPEm, GetInt16(headP, 40, 1)), XUnits(UPEm, GetInt16(headP, 42, 1))); + fprintf(outf, "/FontType 42 def\n"); + fprintf(outf, "/Encoding 256 array def\n"); + fprintf(outf, " 0 1 255 {Encoding exch /.notdef put} for\n"); + + for (i = 1; i<nGlyphs; i++) { + fprintf(outf, "Encoding %d /glyph%d put\n", encoding[i], gID[i]); + } + fprintf(outf, "/XUID [103 0 1 16#%08X %d 16#%08X 16#%08X] def\n", (unsigned int)rtl_crc32(0, ttf->ptr, ttf->fsize), (unsigned int)nGlyphs, (unsigned int)rtl_crc32(0, glyphArray, nGlyphs * 2), (unsigned int)rtl_crc32(0, encoding, nGlyphs)); + + DumpSfnts(outf, sfntP); + + /* dump charstrings */ + fprintf(outf, "/CharStrings %d dict dup begin\n", nGlyphs); + fprintf(outf, "/.notdef 0 def\n"); + for (i = 1; i < (int)glyfCount(glyf); i++) { + fprintf(outf,"/glyph%d %d def\n", i, i); + } + fprintf(outf, "end readonly def\n"); + + fprintf(outf, "FontName currentdict end definefont pop\n"); + TrueTypeCreatorDispose(ttcr); + free(gID); + free(sfntP); + return SF_OK; +} +#endif + + +#ifndef NO_MAPPERS +int MapString(TrueTypeFont *ttf, sal_uInt16 *str, int nchars, sal_uInt16 *glyphArray, int bvertical) +{ + int i; + sal_uInt16 *cp; + + if (ttf->cmapType == CMAP_NOT_USABLE ) return -1; + if (!nchars) return 0; + + if (glyphArray == 0) { + cp = str; + } else { + cp = glyphArray; + } + + switch (ttf->cmapType) { + case CMAP_MS_Symbol: + if( ttf->mapper == getGlyph0 ) { + sal_uInt16 aChar; + for( i = 0; i < nchars; i++ ) { + aChar = str[i]; + if( ( aChar & 0xf000 ) == 0xf000 ) + aChar &= 0x00ff; + cp[i] = aChar; + } + } + else if( glyphArray ) + memcpy(glyphArray, str, nchars * 2); + break; + + case CMAP_MS_Unicode: + if (glyphArray != 0) { + memcpy(glyphArray, str, nchars * 2); + } + break; + + case CMAP_MS_ShiftJIS: TranslateString12(str, cp, nchars); break; + case CMAP_MS_Big5: TranslateString13(str, cp, nchars); break; + case CMAP_MS_PRC: TranslateString14(str, cp, nchars); break; + case CMAP_MS_Wansung: TranslateString15(str, cp, nchars); break; + case CMAP_MS_Johab: TranslateString16(str, cp, nchars); break; + } + + for (i = 0; i < nchars; i++) { + cp[i] = (sal_uInt16)ttf->mapper(ttf->cmap, cp[i]); + if (cp[i]!=0 && bvertical!=0) + cp[i] = (sal_uInt16)UseGSUB(ttf,cp[i],bvertical); + } + return nchars; +} + +sal_uInt16 MapChar(TrueTypeFont *ttf, sal_uInt16 ch, int bvertical) +{ + switch (ttf->cmapType) { + case CMAP_MS_Symbol: + + if( ttf->mapper == getGlyph0 && ( ch & 0xf000 ) == 0xf000 ) + ch &= 0x00ff; + return (sal_uInt16)ttf->mapper(ttf->cmap, ch ); + + case CMAP_MS_Unicode: break; + case CMAP_MS_ShiftJIS: ch = TranslateChar12(ch); break; + case CMAP_MS_Big5: ch = TranslateChar13(ch); break; + case CMAP_MS_PRC: ch = TranslateChar14(ch); break; + case CMAP_MS_Wansung: ch = TranslateChar15(ch); break; + case CMAP_MS_Johab: ch = TranslateChar16(ch); break; + default: return 0; + } + ch = (sal_uInt16)ttf->mapper(ttf->cmap, ch); + if (ch!=0 && bvertical!=0) + ch = (sal_uInt16)UseGSUB(ttf,ch,bvertical); + return ch; +} + +int DoesVerticalSubstitution( TrueTypeFont *ttf, int bvertical) +{ + int nRet = 0; + if( bvertical) + nRet = HasVerticalGSUB( ttf); + return nRet; +} + +#endif + +int GetTTGlyphCount( TrueTypeFont* ttf ) +{ + return ttf->nglyphs; +} + +bool GetSfntTable( TrueTypeFont* ttf, int nSubtableIndex, + const sal_uInt8** ppRawBytes, int* pRawLength ) +{ + if( (nSubtableIndex < 0) || (nSubtableIndex >= NUM_TAGS) ) + return false; + *pRawLength = ttf->tlens[ nSubtableIndex ]; + *ppRawBytes = ttf->tables[ nSubtableIndex ]; + bool bOk = (*pRawLength > 0) && (ppRawBytes != NULL); + return bOk; +} + +TTSimpleGlyphMetrics *GetTTSimpleGlyphMetrics(TrueTypeFont *ttf, sal_uInt16 *glyphArray, int nGlyphs, int mode) +{ + const sal_uInt8* pTable; + sal_uInt32 n; + int nTableSize; + + if (mode == 0) { + n = ttf->numberOfHMetrics; + pTable = getTable( ttf, O_hmtx ); + nTableSize = getTableSize( ttf, O_hmtx ); + } else { + n = ttf->numOfLongVerMetrics; + pTable = getTable( ttf, O_vmtx ); + nTableSize = getTableSize( ttf, O_vmtx ); + } + + if (!nGlyphs || !glyphArray) return 0; /* invalid parameters */ + if (!n || !pTable) return 0; /* the font does not contain the requested metrics */ + + TTSimpleGlyphMetrics* res = (TTSimpleGlyphMetrics*)calloc(nGlyphs, sizeof(TTSimpleGlyphMetrics)); + assert(res != 0); + + const int UPEm = ttf->unitsPerEm; + for( int i = 0; i < nGlyphs; ++i) { + int nAdvOffset, nLsbOffset; + sal_uInt16 glyphID = glyphArray[i]; + + if (glyphID < n) { + nAdvOffset = 4 * glyphID; + nLsbOffset = nAdvOffset + 2; + } else { + nAdvOffset = 4 * (n - 1); + if( glyphID < ttf->nglyphs ) + nLsbOffset = 4 * n + 2 * (glyphID - n); + else /* font is broken -> use lsb of last hmetrics */ + nLsbOffset = nAdvOffset + 2; + } + + if( nAdvOffset >= nTableSize) + res[i].adv = 0; /* better than a crash for buggy fonts */ + else + res[i].adv = static_cast<sal_uInt16>( + XUnits( UPEm, GetUInt16( pTable, nAdvOffset, 1) ) ); + + if( nLsbOffset >= nTableSize) + res[i].sb = 0; /* better than a crash for buggy fonts */ + else + res[i].sb = static_cast<sal_Int16>( + XUnits( UPEm, GetInt16( pTable, nLsbOffset, 1) ) ); + } + + return res; +} + +#ifndef NO_MAPPERS +TTSimpleGlyphMetrics *GetTTSimpleCharMetrics(TrueTypeFont * ttf, sal_uInt16 firstChar, int nChars, int mode) +{ + TTSimpleGlyphMetrics *res = 0; + int i, n; + + sal_uInt16* str = (sal_uInt16*)malloc(nChars * 2); + assert(str != 0); + + for (i=0; i<nChars; i++) str[i] = (sal_uInt16)(firstChar + i); + if ((n = MapString(ttf, str, nChars, 0, mode)) != -1) { + res = GetTTSimpleGlyphMetrics(ttf, str, n, mode); + } + + free(str); + + return res; +} +#endif + +void GetTTGlobalFontInfo(TrueTypeFont *ttf, TTGlobalFontInfo *info) +{ + int UPEm = ttf->unitsPerEm; + + memset(info, 0, sizeof(TTGlobalFontInfo)); + + info->family = ttf->family; + info->ufamily = ttf->ufamily; + info->subfamily = ttf->subfamily; + info->usubfamily = ttf->usubfamily; + info->psname = ttf->psname; + info->symbolEncoded = (ttf->cmapType == CMAP_MS_Symbol); + + const sal_uInt8* table = getTable(ttf, O_OS2); + if (table) { + info->weight = GetUInt16(table, 4, 1); + info->width = GetUInt16(table, 6, 1); + + /* There are 3 different versions of OS/2 table: original (68 bytes long), + * Microsoft old (78 bytes long) and Microsoft new (86 bytes long,) + * Apple's documentation recommends looking at the table length. + */ + if (getTableSize(ttf, O_OS2) > 68) { + info->typoAscender = XUnits(UPEm,GetInt16(table, 68, 1)); + info->typoDescender = XUnits(UPEm, GetInt16(table, 70, 1)); + info->typoLineGap = XUnits(UPEm, GetInt16(table, 72, 1)); + info->winAscent = XUnits(UPEm, GetUInt16(table, 74, 1)); + info->winDescent = XUnits(UPEm, GetUInt16(table, 76, 1)); + /* sanity check; some fonts treat winDescent as signed + * violating the standard */ + if( info->winDescent > 5*UPEm ) + info->winDescent = XUnits(UPEm, GetInt16(table, 76,1)); + } + if (ttf->cmapType == CMAP_MS_Unicode) { + info->rangeFlag = 1; + info->ur1 = GetUInt32(table, 42, 1); + info->ur2 = GetUInt32(table, 46, 1); + info->ur3 = GetUInt32(table, 50, 1); + info->ur4 = GetUInt32(table, 54, 1); + } + memcpy(info->panose, table + 32, 10); + info->typeFlags = GetUInt16( table, 8, 1 ); + if( getTable(ttf, O_CFF) ) + info->typeFlags |= TYPEFLAG_PS_OPENTYPE; + } + + table = getTable(ttf, O_post); + if (table && getTableSize(ttf, O_post) >= 12+sizeof(sal_uInt32)) { + info->pitch = GetUInt32(table, 12, 1); + info->italicAngle = GetInt32(table, 4, 1); + } + + table = getTable(ttf, O_head); /* 'head' tables is always there */ + info->xMin = XUnits(UPEm, GetInt16(table, 36, 1)); + info->yMin = XUnits(UPEm, GetInt16(table, 38, 1)); + info->xMax = XUnits(UPEm, GetInt16(table, 40, 1)); + info->yMax = XUnits(UPEm, GetInt16(table, 42, 1)); + info->macStyle = GetInt16(table, 44, 1); + + table = getTable(ttf, O_hhea); + if (table) { + info->ascender = XUnits(UPEm, GetInt16(table, 4, 1)); + info->descender = XUnits(UPEm, GetInt16(table, 6, 1)); + info->linegap = XUnits(UPEm, GetInt16(table, 8, 1)); + } + + table = getTable(ttf, O_vhea); + if (table) { + info->vascent = XUnits(UPEm, GetInt16(table, 4, 1)); + info->vdescent = XUnits(UPEm, GetInt16(table, 6, 1)); + } +} + +#ifdef TEST5 +void KernGlyphs(TrueTypeFont *ttf, sal_uInt16 *glyphs, int nglyphs, int wmode, KernData *kern) +{ + int i; + + if (!nglyphs || !glyphs || !kern) return; + + for (i = 0; i < nglyphs-1; i++) kern[i].x = kern[i].y = 0; + + switch (ttf->kerntype) { + case KT_APPLE_NEW: KernGlyphsPrim1(ttf, glyphs, nglyphs, wmode, kern); return; + case KT_MICROSOFT: KernGlyphsPrim2(ttf, glyphs, nglyphs, wmode, kern); return; + default: return; + } +} +#endif + +GlyphData *GetTTRawGlyphData(TrueTypeFont *ttf, sal_uInt32 glyphID) +{ + const sal_uInt8* glyf = getTable(ttf, O_glyf); + const sal_uInt8* hmtx = getTable(ttf, O_hmtx); + int i, n, m; + + if( glyphID >= ttf->nglyphs ) + return 0; + + /* #127161# check the glyph offsets */ + sal_uInt32 length = getTableSize( ttf, O_glyf ); + if( length < ttf->goffsets[ glyphID+1 ] ) + return 0; + + length = ttf->goffsets[glyphID+1] - ttf->goffsets[glyphID]; + + GlyphData* d = (GlyphData*)malloc(sizeof(GlyphData)); assert(d != 0); + + if (length > 0) { + const sal_uInt8* srcptr = glyf + ttf->goffsets[glyphID]; + d->ptr = (sal_uInt8*)malloc((length + 1) & ~1); assert(d->ptr != 0); + memcpy( d->ptr, srcptr, length ); + d->compflag = (GetInt16( srcptr, 0, 1 ) < 0); + } else { + d->ptr = 0; + d->compflag = 0; + } + + d->glyphID = glyphID; + d->nbytes = (sal_uInt16)((length + 1) & ~1); + + /* now calculate npoints and ncontours */ + ControlPoint *cp; + n = GetTTGlyphPoints(ttf, glyphID, &cp); + if (n != -1) { + m = 0; + for (i = 0; i < n; i++) { + if (cp[i].flags & 0x8000) m++; + } + d->npoints = (sal_uInt16)n; + d->ncontours = (sal_uInt16)m; + free(cp); + } else { + d->npoints = 0; + d->ncontours = 0; + } + + /* get advance width and left sidebearing */ + if (glyphID < ttf->numberOfHMetrics) { + d->aw = GetUInt16(hmtx, 4 * glyphID, 1); + d->lsb = GetInt16(hmtx, 4 * glyphID + 2, 1); + } else { + d->aw = GetUInt16(hmtx, 4 * (ttf->numberOfHMetrics - 1), 1); + d->lsb = GetInt16(hmtx + ttf->numberOfHMetrics * 4, (glyphID - ttf->numberOfHMetrics) * 2, 1); + } + + return d; +} + +int GetTTNameRecords(TrueTypeFont *ttf, NameRecord **nr) +{ + const sal_uInt8* table = getTable(ttf, O_name); + int nTableSize = getTableSize(ttf, O_name ); + + if (nTableSize < 6) + { +#if OSL_DEBUG_LEVEL > 1 + fprintf(stderr, "O_name table too small\n"); +#endif + return 0; + } + + sal_uInt16 n = GetUInt16(table, 2, 1); + int nStrBase = GetUInt16(table, 4, 1); + int i; + + *nr = 0; + if (n == 0) return 0; + + NameRecord* rec = (NameRecord*)calloc(n, sizeof(NameRecord)); + + for (i = 0; i < n; i++) { + int nStrOffset = GetUInt16(table + 6, 10 + 12 * i, 1); + rec[i].platformID = GetUInt16(table + 6, 12 * i, 1); + rec[i].encodingID = GetUInt16(table + 6, 2 + 12 * i, 1); + rec[i].languageID = GetUInt16(table + 6, 4 + 12 * i, 1); + rec[i].nameID = GetUInt16(table + 6, 6 + 12 * i, 1); + rec[i].slen = GetUInt16(table + 6, 8 + 12 * i, 1); + if (rec[i].slen) { + if( nStrBase+nStrOffset+rec[i].slen >= nTableSize ) { + rec[i].sptr = 0; + rec[i].slen = 0; + continue; + } + + const sal_uInt8* rec_string = table + nStrBase + nStrOffset; + // sanity check + if( rec_string > (sal_uInt8*)ttf->ptr && rec_string < ((sal_uInt8*)ttf->ptr + ttf->fsize - rec[i].slen ) ) + { + rec[i].sptr = (sal_uInt8 *) malloc(rec[i].slen); assert(rec[i].sptr != 0); + memcpy(rec[i].sptr, rec_string, rec[i].slen); + } + else + { +#ifdef DEBUG + fprintf( stderr, "found invalid name record %d with name id %d for file %s\n", + i, rec[i].nameID, ttf->fname ); +#endif + rec[i].sptr = 0; + rec[i].slen = 0; + } + } else { + rec[i].sptr = 0; + } + // some fonts have 3.0 names => fix them to 3.1 + if( (rec[i].platformID == 3) && (rec[i].encodingID == 0) ) + rec[i].encodingID = 1; + } + + *nr = rec; + return n; +} + +void DisposeNameRecords(NameRecord* nr, int n) +{ + int i; + for (i = 0; i < n; i++) { + if (nr[i].sptr) free(nr[i].sptr); + } + free(nr); +} + +} // namespace vcl + + +#ifdef TEST1 +/* This example creates a subset of a TrueType font with two encoded characters */ +int main(int ac, char **av) +{ + TrueTypeFont *fnt; + int r; + + /* Array of Unicode source characters */ + sal_uInt16 chars[2]; + + /* Encoding vector maps character encoding to the ordinal number + * of the glyph in the output file */ + sal_uInt8 encoding[2]; + + /* This array is for glyph IDs that source characters map to */ + sal_uInt16 g[2]; + + + if (ac < 2) return 0; + + if ((r = OpenTTFont(av[1], 0, &fnt)) != SF_OK) { + fprintf(stderr, "Error %d opening font file: `%s`.\n", r, av[1]); + return 0; + } + + + /* We want to create the output file that only contains two Unicode characters: + * L'a' and L'A' */ + + chars[0] = L'a'; + chars[1] = L'A'; + + /* Figure out what glyphs do these characters map in our font */ + MapString(fnt, chars, 2, g); + + /* Encode the characters. Value of encoding[i] is the number 0..255 which maps to glyph i of the + * newly generated font */ + encoding[0] = chars[0]; + encoding[1] = chars[1]; + + + /* Generate a subset */ + CreateT3FromTTGlyphs(fnt, stdout, 0, g, encoding, 2, 0); + + /* Now call the dtor for the font */ + CloseTTFont(fnt); + return 0; +} +#endif + +#ifdef TEST2 +/* This example extracts first 224 glyphs from a TT fonts and encodes them starting at 32 */ +int main(int ac, char **av) +{ + TrueTypeFont *fnt; + int i, r; + + /* Array of Unicode source characters */ + sal_uInt16 glyphs[224]; + + /* Encoding vector maps character encoding to the ordinal number + * of the glyph in the output file */ + sal_uInt8 encoding[224]; + + + + for (i=0; i<224; i++) { + glyphs[i] = i; + encoding[i] = 32 + i; + } + + if (ac < 2) return 0; + + if ((r = OpenTTFont(av[1], 0, &fnt)) != SF_OK) { + fprintf(stderr, "Error %d opening font file: `%s`.\n", r, av[1]); + return 0; + } + + + /* Encode the characters. Value of encoding[i] is the number 0..255 which maps to glyph i of the + * newly generated font */ + + /* Generate a subset */ + CreateT3FromTTGlyphs(fnt, stdout, 0, glyphs, encoding, 224, 0); + + /* Now call the dtor for the font */ + CloseTTFont(fnt); + return 0; +} +#endif + +#ifdef TEST3 +/* Glyph metrics example */ +int main(int ac, char **av) +{ + TrueTypeFont *fnt; + int i, r; + sal_uInt16 glyphs[224]; + TTSimpleGlyphMetrics *m; + + for (i=0; i<224; i++) { + glyphs[i] = i; + } + + if (ac < 2) return 0; + + if ((r = OpenTTFont(av[1], 0, &fnt)) != SF_OK) { + fprintf(stderr, "Error %d opening font file: `%s`.\n", r, av[1]); + return 0; + } + + if ((m = GetTTSimpleGlyphMetrics(fnt, glyphs, 224, 0)) == 0) { + printf("Requested metrics is not available\n"); + } else { + for (i=0; i<224; i++) { + printf("%d. advWid: %5d, LSBear: %5d\n", i, m[i].adv, m[i].sb); + } + } + + /* Now call the dtor for the font */ + free(m); + CloseTTFont(fnt); + return 0; +} +#endif + +#ifdef TEST4 +int main(int ac, char **av) +{ + TrueTypeFont *fnt; + TTGlobalFontInfo info; + int i, r; + + + if ((r = OpenTTFont(av[1], 0, &fnt)) != SF_OK) { + fprintf(stderr, "Error %d opening font file: `%s`.\n", r, av[1]); + return 0; + } + + printf("Font file: %s\n", av[1]); + +#ifdef PRINT_KERN + switch (fnt->kerntype) { + case KT_MICROSOFT: + printf("\tkern: MICROSOFT, ntables: %d.", fnt->nkern); + if (fnt->nkern) { + printf(" ["); + for (i=0; i<fnt->nkern; i++) { + printf("%04X ", GetUInt16(fnt->kerntables[i], 4, 1)); + } + printf("]"); + } + printf("\n"); + break; + + case KT_APPLE_NEW: + printf("\tkern: APPLE_NEW, ntables: %d.", fnt->nkern); + if (fnt->nkern) { + printf(" ["); + for (i=0; i<fnt->nkern; i++) { + printf("%04X ", GetUInt16(fnt->kerntables[i], 4, 1)); + } + printf("]"); + } + printf("\n"); + break; + + case KT_NONE: + printf("\tkern: none.\n"); + break; + + default: + printf("\tkern: unrecoginzed.\n"); + break; + } + printf("\n"); +#endif + + GetTTGlobalFontInfo(fnt, &info); + printf("\tfamily name: `%s`\n", info.family); + printf("\tsubfamily name: `%s`\n", info.subfamily); + printf("\tpostscript name: `%s`\n", info.psname); + printf("\tweight: %d\n", info.weight); + printf("\twidth: %d\n", info.width); + printf("\tpitch: %d\n", info.pitch); + printf("\titalic angle: %d\n", info.italicAngle); + printf("\tbouding box: [%d %d %d %d]\n", info.xMin, info.yMin, info.xMax, info.yMax); + printf("\tascender: %d\n", info.ascender); + printf("\tdescender: %d\n", info.descender); + printf("\tlinegap: %d\n", info.linegap); + printf("\tvascent: %d\n", info.vascent); + printf("\tvdescent: %d\n", info.vdescent); + printf("\ttypoAscender: %d\n", info.typoAscender); + printf("\ttypoDescender: %d\n", info.typoDescender); + printf("\ttypoLineGap: %d\n", info.typoLineGap); + printf("\twinAscent: %d\n", info.winAscent); + printf("\twinDescent: %d\n", info.winDescent); + printf("\tUnicode ranges:\n"); + for (i = 0; i < 32; i++) { + if ((info.ur1 >> i) & 1) { + printf("\t\t\t%s\n", UnicodeRangeName(i)); + } + } + for (i = 0; i < 32; i++) { + if ((info.ur2 >> i) & 1) { + printf("\t\t\t%s\n", UnicodeRangeName(i+32)); + } + } + for (i = 0; i < 32; i++) { + if ((info.ur3 >> i) & 1) { + printf("\t\t\t%s\n", UnicodeRangeName(i+64)); + } + } + for (i = 0; i < 32; i++) { + if ((info.ur4 >> i) & 1) { + printf("\t\t\t%s\n", UnicodeRangeName(i+96)); + } + } + + CloseTTFont(fnt); + return 0; +} +#endif + +#ifdef TEST5 +/* Kerning example */ +int main(int ac, char **av) +{ + TrueTypeFont *fnt; + sal_uInt16 g[224]; + KernData d[223]; + int r, i, k = 0; + + g[k++] = 11; + g[k++] = 36; + g[k++] = 11; + g[k++] = 98; + g[k++] = 11; + g[k++] = 144; + g[k++] = 41; + g[k++] = 171; + g[k++] = 51; + g[k++] = 15; + + if (ac < 2) return 0; + + if ((r = OpenTTFont(av[1], 0, &fnt)) != SF_OK) { + fprintf(stderr, "Error %d opening font file: `%s`.\n", r, av[1]); + return 0; + } + + KernGlyphs(fnt, g, k, 0, d); + + for (i = 0; i < k-1; i++) { + printf("%3d %3d: [%3d %3d]\n", g[i], g[i+1], d[i].x, d[i].y); + } + + CloseTTFont(fnt); + return 0; +} +#endif + + + +#ifdef TEST6 +/* This example extracts a single glyph from a font */ +int main(int ac, char **av) +{ + TrueTypeFont *fnt; + int r, i; + + sal_uInt16 glyphs[256]; + sal_uInt8 encoding[256]; + + for (i=0; i<256; i++) { + glyphs[i] = 512 + i; + encoding[i] = i; + } + +#if 0 + i=0; + glyphs[i++] = 2001; + glyphs[i++] = 2002; + glyphs[i++] = 2003; + glyphs[i++] = 2004; + glyphs[i++] = 2005; + glyphs[i++] = 2006; + glyphs[i++] = 2007; + glyphs[i++] = 2008; + glyphs[i++] = 2009; + glyphs[i++] = 2010; + glyphs[i++] = 2011; + glyphs[i++] = 2012; + glyphs[i++] = 2013; + glyphs[i++] = 2014; + glyphs[i++] = 2015; + glyphs[i++] = 2016; + glyphs[i++] = 2017; + glyphs[i++] = 2018; + glyphs[i++] = 2019; + glyphs[i++] = 2020; + + + r = 97; + i = 0; + encoding[i++] = r++; + encoding[i++] = r++; + encoding[i++] = r++; + encoding[i++] = r++; + encoding[i++] = r++; + encoding[i++] = r++; + encoding[i++] = r++; + encoding[i++] = r++; + encoding[i++] = r++; + encoding[i++] = r++; + encoding[i++] = r++; + encoding[i++] = r++; + encoding[i++] = r++; + encoding[i++] = r++; + encoding[i++] = r++; + encoding[i++] = r++; + encoding[i++] = r++; + encoding[i++] = r++; + encoding[i++] = r++; + encoding[i++] = r++; +#endif + + if (ac < 2) return 0; + + if ((r = OpenTTFont(av[1], 0, &fnt)) != SF_OK) { + fprintf(stderr, "Error %d opening font file: `%s`.\n", r, av[1]); + return 0; + } + + /* Generate a subset */ + CreateT3FromTTGlyphs(fnt, stdout, 0, glyphs, encoding, 256, 0); + + fprintf(stderr, "UnitsPerEm: %d.\n", fnt->unitsPerEm); + + /* Now call the dtor for the font */ + CloseTTFont(fnt); + return 0; +} +#endif + +#ifdef TEST7 +/* NameRecord extraction example */ +int main(int ac, char **av) +{ + TrueTypeFont *fnt; + int r, i, j, n; + NameRecord *nr; + + if ((r = OpenTTFont(av[1], 0, &fnt)) != SF_OK) { + fprintf(stderr, "Error %d opening font file: `%s`.\n", r, av[1]); + return 0; + } + + if ((n = GetTTNameRecords(fnt, &nr)) == 0) { + fprintf(stderr, "No name records in the font.\n"); + return 0; + } + + printf("Number of name records: %d.\n", n); + for (i = 0; i < n; i++) { + printf("%d %d %04X %d [", nr[i].platformID, nr[i].encodingID, nr[i].languageID, nr[i].nameID); + for (j=0; j<nr[i].slen; j++) { + printf("%c", isprint(nr[i].sptr[j]) ? nr[i].sptr[j] : '.'); + } + printf("]\n"); + } + + + DisposeNameRecords(nr, n); + CloseTTFont(fnt); + return 0; +} +#endif + +#ifdef TEST8 +/* TrueType -> TrueType subsetting */ +int main(int ac, char **av) +{ + TrueTypeFont *fnt; + sal_uInt16 glyphArray[] = { 0, 98, 99, 22, 24, 25, 26, 27, 28, 29, 30, 31, 1270, 1289, 34}; + sal_uInt8 encoding[] = {32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46}; + int r; + + if ((r = OpenTTFont(av[1], 0, &fnt)) != SF_OK) { + fprintf(stderr, "Error %d opening font file: `%s`.\n", r, av[1]); + return 0; + } + + CreateTTFromTTGlyphs(fnt, "subfont.ttf", glyphArray, encoding, 15, 0, 0, TTCF_AutoName | TTCF_IncludeOS2); + + + CloseTTFont(fnt); + + return 0; +} +#endif + +#ifdef TEST9 +/* TrueType -> Type42 subsetting */ +int main(int ac, char **av) +{ + TrueTypeFont *fnt; + /* + sal_uInt16 glyphArray[] = { 0, 20, 21, 22, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34}; + sal_uInt8 encoding[] = {32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46}; + */ + sal_uInt16 glyphArray[] = { 0, 6711, 6724, 11133, 11144, 14360, 26, 27, 28, 29, 30, 31, 1270, 1289, 34}; + sal_uInt8 encoding[] = {32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46}; + int r; + + if ((r = OpenTTFont(av[1], 0, &fnt)) != SF_OK) { + fprintf(stderr, "Error %d opening font file: `%s`.\n", r, av[1]); + return 0; + } + + CreateT42FromTTGlyphs(fnt, stdout, "testfont", glyphArray, encoding, 15); + + CloseTTFont(fnt); + + return 0; +} +#endif + +#ifdef TEST10 +/* Component glyph test */ +int main(int ac, char **av) +{ + TrueTypeFont *fnt; + int r, i; + list glyphlist = listNewEmpty(); + + + if ((r = OpenTTFont(av[1], 0, &fnt)) != SF_OK) { + fprintf(stderr, "Error %d opening font file: `%s`.\n", r, av[1]); + return 0; + } + + for (i = 0; i < fnt->nglyphs; i++) { + r = GetTTGlyphComponents(fnt, i, glyphlist); + if (r > 1) { + printf("%d -> ", i); + listToFirst(glyphlist); + do { + printf("%d ", (int) listCurrent(glyphlist)); + } while (listNext(glyphlist)); + printf("\n"); + } else { + printf("%d: single glyph.\n", i); + } + listClear(glyphlist); + } + + CloseTTFont(fnt); + listDispose(glyphlist); + + return 0; +} +#endif + + |