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Diffstat (limited to 'src/gui/text/qfontsubset.cpp')
| -rw-r--r-- | src/gui/text/qfontsubset.cpp | 1743 |
1 files changed, 1743 insertions, 0 deletions
diff --git a/src/gui/text/qfontsubset.cpp b/src/gui/text/qfontsubset.cpp new file mode 100644 index 0000000..0d1a884 --- /dev/null +++ b/src/gui/text/qfontsubset.cpp @@ -0,0 +1,1743 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the QtGui module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ +#include <qdebug.h> +#include "qfontsubset_p.h" +#include <qendian.h> +#include <qpainterpath.h> +#include "private/qpdf_p.h" +#include "private/qfunctions_p.h" + +#ifdef Q_WS_X11 +#include "private/qfontengine_x11_p.h" +#endif + +#ifndef QT_NO_FREETYPE +#if defined(Q_WS_X11) || defined(Q_WS_QWS) +# include "private/qfontengine_ft_p.h" +#endif +#include <ft2build.h> +#include FT_FREETYPE_H +#endif + +#ifndef QT_NO_PRINTER + +QT_BEGIN_NAMESPACE + +static const char * const agl = +".notdef\0space\0exclam\0quotedbl\0numbersign\0dollar\0percent\0ampersand\0" +"quotesingle\0parenleft\0parenright\0asterisk\0plus\0comma\0hyphen\0period\0" +"slash\0zero\0one\0two\0three\0four\0five\0six\0seven\0eight\0nine\0colon\0" +"semicolon\0less\0equal\0greater\0question\0at\0A\0B\0C\0D\0E\0F\0G\0H\0I\0J\0" +"K\0L\0M\0N\0O\0P\0Q\0R\0S\0T\0U\0V\0W\0X\0Y\0Z\0bracketleft\0backslash\0" +"bracketright\0asciicircum\0underscore\0grave\0a\0b\0c\0d\0e\0f\0g\0h\0i\0j\0" +"k\0l\0m\0n\0o\0p\0q\0r\0s\0t\0u\0v\0w\0x\0y\0z\0braceleft\0bar\0braceright\0" +"asciitilde\0space\0exclamdown\0cent\0sterling\0currency\0yen\0brokenbar\0" +"section\0dieresis\0copyright\0ordfeminine\0guillemotleft\0logicalnot\0" +"hyphen\0registered\0macron\0degree\0plusminus\0twosuperior\0threesuperior\0" +"acute\0mu\0paragraph\0periodcentered\0cedilla\0onesuperior\0ordmasculine\0" +"guillemotright\0onequarter\0onehalf\0threequarters\0questiondown\0Agrave\0" +"Aacute\0Acircumflex\0Atilde\0Adieresis\0Aring\0AE\0Ccedilla\0Egrave\0Eacute\0" +"Ecircumflex\0Edieresis\0Igrave\0Iacute\0Icircumflex\0Idieresis\0Eth\0Ntilde\0" +"Ograve\0Oacute\0Ocircumflex\0Otilde\0Odieresis\0multiply\0Oslash\0Ugrave\0" +"Uacute\0Ucircumflex\0Udieresis\0Yacute\0Thorn\0germandbls\0agrave\0aacute\0" +"acircumflex\0atilde\0adieresis\0aring\0ae\0ccedilla\0egrave\0eacute\0" +"ecircumflex\0edieresis\0igrave\0iacute\0icircumflex\0idieresis\0eth\0ntilde\0" +"ograve\0oacute\0ocircumflex\0otilde\0odieresis\0divide\0oslash\0ugrave\0" +"uacute\0ucircumflex\0udieresis\0yacute\0thorn\0ydieresis\0Amacron\0amacron\0" +"Abreve\0abreve\0Aogonek\0aogonek\0Cacute\0cacute\0Ccircumflex\0ccircumflex\0" +"Cdotaccent\0cdotaccent\0Ccaron\0ccaron\0Dcaron\0dcaron\0Dcroat\0dcroat\0" +"Emacron\0emacron\0Ebreve\0ebreve\0Edotaccent\0edotaccent\0Eogonek\0eogonek\0" +"Ecaron\0ecaron\0Gcircumflex\0gcircumflex\0Gbreve\0gbreve\0Gdotaccent\0" +"gdotaccent\0Gcommaaccent\0gcommaaccent\0Hcircumflex\0hcircumflex\0Hbar\0" +"hbar\0Itilde\0itilde\0Imacron\0imacron\0Ibreve\0ibreve\0Iogonek\0iogonek\0" +"Idotaccent\0dotlessi\0IJ\0ij\0Jcircumflex\0jcircumflex\0Kcommaaccent\0" +"kcommaaccent\0kgreenlandic\0Lacute\0lacute\0Lcommaaccent\0lcommaaccent\0" +"Lcaron\0lcaron\0Ldot\0ldot\0Lslash\0lslash\0Nacute\0nacute\0Ncommaaccent\0" +"ncommaaccent\0Ncaron\0ncaron\0napostrophe\0Eng\0eng\0Omacron\0omacron\0" +"Obreve\0obreve\0Ohungarumlaut\0ohungarumlaut\0OE\0oe\0Racute\0racute\0" +"Rcommaaccent\0rcommaaccent\0Rcaron\0rcaron\0Sacute\0sacute\0Scircumflex\0" +"scircumflex\0Scedilla\0scedilla\0Scaron\0scaron\0Tcaron\0tcaron\0Tbar\0tbar\0" +"Utilde\0utilde\0Umacron\0umacron\0Ubreve\0ubreve\0Uring\0uring\0" +"Uhungarumlaut\0uhungarumlaut\0Uogonek\0uogonek\0Wcircumflex\0wcircumflex\0" +"Ycircumflex\0ycircumflex\0Ydieresis\0Zacute\0zacute\0Zdotaccent\0zdotaccent\0" +"Zcaron\0zcaron\0longs\0florin\0Ohorn\0ohorn\0Uhorn\0uhorn\0Gcaron\0gcaron\0" +"Aringacute\0aringacute\0AEacute\0aeacute\0Oslashacute\0oslashacute\0" +"Scommaaccent\0scommaaccent\0Tcommaaccent\0tcommaaccent\0afii57929\0" +"afii64937\0circumflex\0caron\0breve\0dotaccent\0ring\0ogonek\0tilde\0" +"hungarumlaut\0gravecomb\0acutecomb\0tildecomb\0hookabovecomb\0dotbelowcomb\0" +"tonos\0dieresistonos\0Alphatonos\0anoteleia\0Epsilontonos\0Etatonos\0" +"Iotatonos\0Omicrontonos\0Upsilontonos\0Omegatonos\0iotadieresistonos\0Alpha\0" +"Beta\0Gamma\0Delta\0Epsilon\0Zeta\0Eta\0Theta\0Iota\0Kappa\0Lambda\0Mu\0Nu\0" +"Xi\0Omicron\0Pi\0Rho\0Sigma\0Tau\0Upsilon\0Phi\0Chi\0Psi\0Omega\0" +"Iotadieresis\0Upsilondieresis\0alphatonos\0epsilontonos\0etatonos\0" +"iotatonos\0upsilondieresistonos\0alpha\0beta\0gamma\0delta\0epsilon\0zeta\0" +"eta\0theta\0iota\0kappa\0lambda\0mu\0nu\0xi\0omicron\0pi\0rho\0sigma1\0" +"sigma\0tau\0upsilon\0phi\0chi\0psi\0omega\0iotadieresis\0upsilondieresis\0" +; + +static const struct { quint16 u; quint16 index; } unicode_to_aglindex[] = { + {0x0000, 0}, {0x0020, 8}, {0x0021, 14}, {0x0022, 21}, + {0x0023, 30}, {0x0024, 41}, {0x0025, 48}, {0x0026, 56}, + {0x0027, 66}, {0x0028, 78}, {0x0029, 88}, {0x002A, 99}, + {0x002B, 108}, {0x002C, 113}, {0x002D, 119}, {0x002E, 126}, + {0x002F, 133}, {0x0030, 139}, {0x0031, 144}, {0x0032, 148}, + {0x0033, 152}, {0x0034, 158}, {0x0035, 163}, {0x0036, 168}, + {0x0037, 172}, {0x0038, 178}, {0x0039, 184}, {0x003A, 189}, + {0x003B, 195}, {0x003C, 205}, {0x003D, 210}, {0x003E, 216}, + {0x003F, 224}, {0x0040, 233}, {0x0041, 236}, {0x0042, 238}, + {0x0043, 240}, {0x0044, 242}, {0x0045, 244}, {0x0046, 246}, + {0x0047, 248}, {0x0048, 250}, {0x0049, 252}, {0x004A, 254}, + {0x004B, 256}, {0x004C, 258}, {0x004D, 260}, {0x004E, 262}, + {0x004F, 264}, {0x0050, 266}, {0x0051, 268}, {0x0052, 270}, + {0x0053, 272}, {0x0054, 274}, {0x0055, 276}, {0x0056, 278}, + {0x0057, 280}, {0x0058, 282}, {0x0059, 284}, {0x005A, 286}, + {0x005B, 288}, {0x005C, 300}, {0x005D, 310}, {0x005E, 323}, + {0x005F, 335}, {0x0060, 346}, {0x0061, 352}, {0x0062, 354}, + {0x0063, 356}, {0x0064, 358}, {0x0065, 360}, {0x0066, 362}, + {0x0067, 364}, {0x0068, 366}, {0x0069, 368}, {0x006A, 370}, + {0x006B, 372}, {0x006C, 374}, {0x006D, 376}, {0x006E, 378}, + {0x006F, 380}, {0x0070, 382}, {0x0071, 384}, {0x0072, 386}, + {0x0073, 388}, {0x0074, 390}, {0x0075, 392}, {0x0076, 394}, + {0x0077, 396}, {0x0078, 398}, {0x0079, 400}, {0x007A, 402}, + {0x007B, 404}, {0x007C, 414}, {0x007D, 418}, {0x007E, 429}, + {0x00A0, 440}, {0x00A1, 446}, {0x00A2, 457}, {0x00A3, 462}, + {0x00A4, 471}, {0x00A5, 480}, {0x00A6, 484}, {0x00A7, 494}, + {0x00A8, 502}, {0x00A9, 511}, {0x00AA, 521}, {0x00AB, 533}, + {0x00AC, 547}, {0x00AD, 558}, {0x00AE, 565}, {0x00AF, 576}, + {0x00B0, 583}, {0x00B1, 590}, {0x00B2, 600}, {0x00B3, 612}, + {0x00B4, 626}, {0x00B5, 632}, {0x00B6, 635}, {0x00B7, 645}, + {0x00B8, 660}, {0x00B9, 668}, {0x00BA, 680}, {0x00BB, 693}, + {0x00BC, 708}, {0x00BD, 719}, {0x00BE, 727}, {0x00BF, 741}, + {0x00C0, 754}, {0x00C1, 761}, {0x00C2, 768}, {0x00C3, 780}, + {0x00C4, 787}, {0x00C5, 797}, {0x00C6, 803}, {0x00C7, 806}, + {0x00C8, 815}, {0x00C9, 822}, {0x00CA, 829}, {0x00CB, 841}, + {0x00CC, 851}, {0x00CD, 858}, {0x00CE, 865}, {0x00CF, 877}, + {0x00D0, 887}, {0x00D1, 891}, {0x00D2, 898}, {0x00D3, 905}, + {0x00D4, 912}, {0x00D5, 924}, {0x00D6, 931}, {0x00D7, 941}, + {0x00D8, 950}, {0x00D9, 957}, {0x00DA, 964}, {0x00DB, 971}, + {0x00DC, 983}, {0x00DD, 993}, {0x00DE, 1000}, {0x00DF, 1006}, + {0x00E0, 1017}, {0x00E1, 1024}, {0x00E2, 1031}, {0x00E3, 1043}, + {0x00E4, 1050}, {0x00E5, 1060}, {0x00E6, 1066}, {0x00E7, 1069}, + {0x00E8, 1078}, {0x00E9, 1085}, {0x00EA, 1092}, {0x00EB, 1104}, + {0x00EC, 1114}, {0x00ED, 1121}, {0x00EE, 1128}, {0x00EF, 1140}, + {0x00F0, 1150}, {0x00F1, 1154}, {0x00F2, 1161}, {0x00F3, 1168}, + {0x00F4, 1175}, {0x00F5, 1187}, {0x00F6, 1194}, {0x00F7, 1204}, + {0x00F8, 1211}, {0x00F9, 1218}, {0x00FA, 1225}, {0x00FB, 1232}, + {0x00FC, 1244}, {0x00FD, 1254}, {0x00FE, 1261}, {0x00FF, 1267}, + {0x0100, 1277}, {0x0101, 1285}, {0x0102, 1293}, {0x0103, 1300}, + {0x0104, 1307}, {0x0105, 1315}, {0x0106, 1323}, {0x0107, 1330}, + {0x0108, 1337}, {0x0109, 1349}, {0x010A, 1361}, {0x010B, 1372}, + {0x010C, 1383}, {0x010D, 1390}, {0x010E, 1397}, {0x010F, 1404}, + {0x0110, 1411}, {0x0111, 1418}, {0x0112, 1425}, {0x0113, 1433}, + {0x0114, 1441}, {0x0115, 1448}, {0x0116, 1455}, {0x0117, 1466}, + {0x0118, 1477}, {0x0119, 1485}, {0x011A, 1493}, {0x011B, 1500}, + {0x011C, 1507}, {0x011D, 1519}, {0x011E, 1531}, {0x011F, 1538}, + {0x0120, 1545}, {0x0121, 1556}, {0x0122, 1567}, {0x0123, 1580}, + {0x0124, 1593}, {0x0125, 1605}, {0x0126, 1617}, {0x0127, 1622}, + {0x0128, 1627}, {0x0129, 1634}, {0x012A, 1641}, {0x012B, 1649}, + {0x012C, 1657}, {0x012D, 1664}, {0x012E, 1671}, {0x012F, 1679}, + {0x0130, 1687}, {0x0131, 1698}, {0x0132, 1707}, {0x0133, 1710}, + {0x0134, 1713}, {0x0135, 1725}, {0x0136, 1737}, {0x0137, 1750}, + {0x0138, 1763}, {0x0139, 1776}, {0x013A, 1783}, {0x013B, 1790}, + {0x013C, 1803}, {0x013D, 1816}, {0x013E, 1823}, {0x013F, 1830}, + {0x0140, 1835}, {0x0141, 1840}, {0x0142, 1847}, {0x0143, 1854}, + {0x0144, 1861}, {0x0145, 1868}, {0x0146, 1881}, {0x0147, 1894}, + {0x0148, 1901}, {0x0149, 1908}, {0x014A, 1920}, {0x014B, 1924}, + {0x014C, 1928}, {0x014D, 1936}, {0x014E, 1944}, {0x014F, 1951}, + {0x0150, 1958}, {0x0151, 1972}, {0x0152, 1986}, {0x0153, 1989}, + {0x0154, 1992}, {0x0155, 1999}, {0x0156, 2006}, {0x0157, 2019}, + {0x0158, 2032}, {0x0159, 2039}, {0x015A, 2046}, {0x015B, 2053}, + {0x015C, 2060}, {0x015D, 2072}, {0x015E, 2084}, {0x015F, 2093}, + {0x0160, 2102}, {0x0161, 2109}, {0x0164, 2116}, {0x0165, 2123}, + {0x0166, 2130}, {0x0167, 2135}, {0x0168, 2140}, {0x0169, 2147}, + {0x016A, 2154}, {0x016B, 2162}, {0x016C, 2170}, {0x016D, 2177}, + {0x016E, 2184}, {0x016F, 2190}, {0x0170, 2196}, {0x0171, 2210}, + {0x0172, 2224}, {0x0173, 2232}, {0x0174, 2240}, {0x0175, 2252}, + {0x0176, 2264}, {0x0177, 2276}, {0x0178, 2288}, {0x0179, 2298}, + {0x017A, 2305}, {0x017B, 2312}, {0x017C, 2323}, {0x017D, 2334}, + {0x017E, 2341}, {0x017F, 2348}, {0x0192, 2354}, {0x01A0, 2361}, + {0x01A1, 2367}, {0x01AF, 2373}, {0x01B0, 2379}, {0x01E6, 2385}, + {0x01E7, 2392}, {0x01FA, 2399}, {0x01FB, 2410}, {0x01FC, 2421}, + {0x01FD, 2429}, {0x01FE, 2437}, {0x01FF, 2449}, {0x0218, 2461}, + {0x0219, 2474}, {0x021A, 2487}, {0x021B, 2500}, {0x02BC, 2513}, + {0x02BD, 2523}, {0x02C6, 2533}, {0x02C7, 2544}, {0x02D8, 2550}, + {0x02D9, 2556}, {0x02DA, 2566}, {0x02DB, 2571}, {0x02DC, 2578}, + {0x02DD, 2584}, {0x0300, 2597}, {0x0301, 2607}, {0x0303, 2617}, + {0x0309, 2627}, {0x0323, 2641}, {0x0384, 2654}, {0x0385, 2660}, + {0x0386, 2674}, {0x0387, 2685}, {0x0388, 2695}, {0x0389, 2708}, + {0x038A, 2717}, {0x038C, 2727}, {0x038E, 2740}, {0x038F, 2753}, + {0x0390, 2764}, {0x0391, 2782}, {0x0392, 2788}, {0x0393, 2793}, + {0x0394, 2799}, {0x0395, 2805}, {0x0396, 2813}, {0x0397, 2818}, + {0x0398, 2822}, {0x0399, 2828}, {0x039A, 2833}, {0x039B, 2839}, + {0x039C, 2846}, {0x039D, 2849}, {0x039E, 2852}, {0x039F, 2855}, + {0x03A0, 2863}, {0x03A1, 2866}, {0x03A3, 2870}, {0x03A4, 2876}, + {0x03A5, 2880}, {0x03A6, 2888}, {0x03A7, 2892}, {0x03A8, 2896}, + {0x03A9, 2900}, {0x03AA, 2906}, {0x03AB, 2919}, {0x03AC, 2935}, + {0x03AD, 2946}, {0x03AE, 2959}, {0x03AF, 2968}, {0x03B0, 2978}, + {0x03B1, 2999}, {0x03B2, 3005}, {0x03B3, 3010}, {0x03B4, 3016}, + {0x03B5, 3022}, {0x03B6, 3030}, {0x03B7, 3035}, {0x03B8, 3039}, + {0x03B9, 3045}, {0x03BA, 3050}, {0x03BB, 3056}, {0x03BC, 3063}, + {0x03BD, 3066}, {0x03BE, 3069}, {0x03BF, 3072}, {0x03C0, 3080}, + {0x03C1, 3083}, {0x03C2, 3087}, {0x03C3, 3094}, {0x03C4, 3100}, + {0x03C5, 3104}, {0x03C6, 3112}, {0x03C7, 3116}, {0x03C8, 3120}, + {0x03C9, 3124}, {0x03CA, 3130}, {0x03CB, 3143}, {0x03CC, 3159}, + {0x03CD, 3172}, {0x03CE, 3185}, {0x03D1, 3196}, {0x03D2, 3203}, + {0x03D5, 3212}, {0x03D6, 3217}, {0xFFFF, 3224} +}; + +// This map is used for symbol fonts to get the correct glyph names for the latin range +static const unsigned short symbol_map[0x100] = { + 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, + 0x0008, 0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f, + 0x0010, 0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017, + 0x0018, 0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f, + 0x0020, 0x0021, 0x2200, 0x0023, 0x2203, 0x0025, 0x0026, 0x220b, + 0x0028, 0x0029, 0x2217, 0x002b, 0x002c, 0x2212, 0x002e, 0x002f, + 0x0030, 0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037, + 0x0038, 0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f, + + 0x2245, 0x0391, 0x0392, 0x03a7, 0x0394, 0x0395, 0x03a6, 0x0393, + 0x0397, 0x0399, 0x03d1, 0x039a, 0x039b, 0x039c, 0x039d, 0x039f, + 0x03a0, 0x0398, 0x03a1, 0x03a3, 0x03a4, 0x03a5, 0x03c2, 0x03a9, + 0x039e, 0x03a8, 0x0396, 0x005b, 0x2234, 0x005d, 0x22a5, 0x005f, + 0xf8e5, 0x03b1, 0x03b2, 0x03c7, 0x03b4, 0x03b5, 0x03c6, 0x03b3, + 0x03b7, 0x03b9, 0x03d5, 0x03ba, 0x03bb, 0x03bc, 0x03bd, 0x03bf, + 0x03c0, 0x03b8, 0x03c1, 0x03c3, 0x03c4, 0x03c5, 0x03d6, 0x03c9, + 0x03be, 0x03c8, 0x03b6, 0x007b, 0x007c, 0x007d, 0x223c, 0x007f, + + 0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087, + 0x0088, 0x0089, 0x008a, 0x008b, 0x008c, 0x008d, 0x008e, 0x008f, + 0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097, + 0x0098, 0x0099, 0x009a, 0x009b, 0x009c, 0x009d, 0x009e, 0x009f, + 0x20ac, 0x03d2, 0x2023, 0x2264, 0x2044, 0x221e, 0x0192, 0x2263, + 0x2666, 0x2665, 0x2660, 0x2194, 0x2190, 0x2191, 0x2192, 0x2193, + 0x00b0, 0x00b1, 0x2033, 0x2265, 0x00d7, 0x221d, 0x2202, 0x2022, + 0x00f7, 0x2260, 0x2261, 0x2248, 0x2026, 0xf8e6, 0xf8e7, 0x21b5, + + 0x2135, 0x2111, 0x211c, 0x2118, 0x2297, 0x2295, 0x2205, 0x2229, + 0x222a, 0x2283, 0x2287, 0x2284, 0x2282, 0x2286, 0x2208, 0x2209, + 0x2220, 0x2207, 0xf6da, 0xf6d9, 0xf6db, 0x220f, 0x221a, 0x22c5, + 0x00ac, 0x2227, 0x2228, 0x21d4, 0x21d0, 0x21d1, 0x21d2, 0x21d3, + 0x25ca, 0x2329, 0xf8e8, 0xf8e9, 0xf8ea, 0x2211, 0xf8eb, 0xf8ec, + 0xf8ed, 0xf8ee, 0xf8ef, 0xf8f0, 0xf8f1, 0xf8f2, 0xf8f3, 0xf8f4, + 0x0000, 0x232a, 0x222b, 0x2320, 0xf8f5, 0x2321, 0xf8f6, 0xf8f7, + 0xf8f8, 0xf8f9, 0xf8fa, 0xf8fb, 0xf8fc, 0xf8fd, 0xf8fe, 0x0000, +}; + +// ---------------------------- PS/PDF helper methods ----------------------------------- + +QByteArray QFontSubset::glyphName(unsigned short unicode, bool symbol) +{ + if (symbol && unicode < 0x100) + // map from latin1 to symbol + unicode = symbol_map[unicode]; + + int l = 0; + while(unicode_to_aglindex[l].u < unicode) + l++; + if (unicode_to_aglindex[l].u == unicode) + return agl + unicode_to_aglindex[l].index; + + char buffer[8]; + buffer[0] = 'u'; + buffer[1] = 'n'; + buffer[2] = 'i'; + QPdf::toHex(unicode, buffer+3); + return buffer; +} + +#ifndef QT_NO_FREETYPE +static FT_Face ft_face(const QFontEngine *engine) +{ +#ifdef Q_WS_X11 +#ifndef QT_NO_FONTCONFIG + if (engine->type() == QFontEngine::Freetype) { + const QFontEngineFT *ft = static_cast<const QFontEngineFT *>(engine); + return ft->non_locked_face(); + } else +#endif + if (engine->type() == QFontEngine::XLFD) { + const QFontEngineXLFD *xlfd = static_cast<const QFontEngineXLFD *>(engine); + return xlfd->non_locked_face(); + } +#endif +#ifdef Q_WS_QWS + if (engine->type() == QFontEngine::Freetype) { + const QFontEngineFT *ft = static_cast<const QFontEngineFT *>(engine); + return ft->non_locked_face(); + } +#endif + return 0; +} +#endif + +QByteArray QFontSubset::glyphName(unsigned int glyph, const QVector<int> reverseMap) const +{ + uint glyphIndex = glyph_indices[glyph]; + + if (glyphIndex == 0) + return "/.notdef"; + + QByteArray ba; + QPdf::ByteStream s(&ba); +#ifndef QT_NO_FREETYPE + FT_Face face = ft_face(fontEngine); + + char name[32]; + name[0] = 0; + if (face && FT_HAS_GLYPH_NAMES(face)) { +#if defined(Q_WS_X11) + if (fontEngine->type() == QFontEngine::XLFD) + glyphIndex = static_cast<QFontEngineXLFD *>(fontEngine)->glyphIndexToFreetypeGlyphIndex(glyphIndex); +#endif + FT_Get_Glyph_Name(face, glyphIndex, &name, 32); + if (name[0] == '.') // fix broken PS fonts returning .notdef for many glyphs + name[0] = 0; + } + if (name[0]) { + s << "/" << name; + } else +#endif +#if defined(Q_WS_X11) + if (fontEngine->type() == QFontEngine::XLFD) { + uint uc = static_cast<QFontEngineXLFD *>(fontEngine)->toUnicode(glyphIndex); + s << "/" << glyphName(uc, false /* ### */); + } else +#endif + if (reverseMap[glyphIndex] && reverseMap[glyphIndex] < 0x10000) { + s << "/" << glyphName(reverseMap[glyphIndex], false); + } else { + s << "/gl" << (int)glyphIndex; + } + return ba; +} + + +QByteArray QFontSubset::widthArray() const +{ + Q_ASSERT(!widths.isEmpty()); + + QFontEngine::Properties properties = fontEngine->properties(); + + QByteArray width; + QPdf::ByteStream s(&width); + QFixed scale = QFixed(1000)/emSquare; + + QFixed defWidth = widths[0]; + //qDebug("defWidth=%d, scale=%f", defWidth.toInt(), scale.toReal()); + for (int i = 0; i < nGlyphs(); ++i) { + if (defWidth != widths[i]) + defWidth = 0; + } + if (defWidth > 0) { + s << "/DW " << (defWidth*scale).toInt(); + } else { + s << "/W ["; + for (int g = 0; g < nGlyphs();) { + QFixed w = widths[g]; + int start = g; + int startLinear = 0; + ++g; + while (g < nGlyphs()) { + QFixed nw = widths[g]; + if (nw == w) { + if (!startLinear) + startLinear = g - 1; + } else { + if (startLinear > 0 && g - startLinear >= 10) + break; + startLinear = 0; + } + w = nw; + ++g; + } + // qDebug("start=%x startLinear=%x g-1=%x",start,startLinear,g-1); + if (g - startLinear < 10) + startLinear = 0; + int endnonlinear = startLinear ? startLinear : g; + // qDebug(" startLinear=%x endnonlinear=%x", startLinear,endnonlinear); + if (endnonlinear > start) { + s << start << "["; + for (int i = start; i < endnonlinear; ++i) + s << (widths[i]*scale).toInt(); + s << "]\n"; + } + if (startLinear) + s << startLinear << g - 1 << (widths[startLinear]*scale).toInt() << "\n"; + } + s << "]\n"; + } + return width; +} + +static void checkRanges(QPdf::ByteStream &ts, QByteArray &ranges, int &nranges) +{ + if (++nranges > 100) { + ts << nranges << "beginbfrange\n" + << ranges << "endbfrange\n"; + ranges = QByteArray(); + nranges = 0; + } +} + +QVector<int> QFontSubset::getReverseMap() const +{ + QVector<int> reverseMap; + reverseMap.resize(0x10000); + for (uint i = 0; i < 0x10000; ++i) + reverseMap[i] = 0; + QGlyphLayoutArray<10> glyphs; + for (uint uc = 0; uc < 0x10000; ++uc) { + QChar ch(uc); + int nglyphs = 10; + fontEngine->stringToCMap(&ch, 1, &glyphs, &nglyphs, QTextEngine::GlyphIndicesOnly); + int idx = glyph_indices.indexOf(glyphs.glyphs[0]); + if (idx >= 0 && !reverseMap.at(idx)) + reverseMap[idx] = uc; + } + return reverseMap; +} + +QByteArray QFontSubset::createToUnicodeMap() const +{ + QVector<int> reverseMap = getReverseMap(); + + QByteArray touc; + QPdf::ByteStream ts(&touc); + ts << "/CIDInit /ProcSet findresource begin\n" + "12 dict begin\n" + "begincmap\n" + "/CIDSystemInfo << /Registry (Adobe) /Ordering (UCS) /Supplement 0 >> def\n" + "/CMapName /Adobe-Identity-UCS def\n" + "/CMapType 2 def\n" + "1 begincodespacerange\n" + "<0000> <FFFF>\n" + "endcodespacerange\n"; + + int nranges = 1; + QByteArray ranges = "<0000> <0000> <0000>\n"; + QPdf::ByteStream s(&ranges); + + char buf[5]; + for (int g = 1; g < nGlyphs(); ) { + int uc0 = reverseMap.at(g); + if (!uc0) { + ++g; + continue; + } + int start = g; + int startLinear = 0; + ++g; + while (g < nGlyphs()) { + int uc = reverseMap[g]; + // cmaps can't have the high byte changing within one range, so we need to break on that as well + if (!uc || (g>>8) != (start >> 8)) + break; + if (uc == uc0 + 1) { + if (!startLinear) + startLinear = g - 1; + } else { + if (startLinear > 0 && g - startLinear >= 10) + break; + startLinear = 0; + } + uc0 = uc; + ++g; + } + // qDebug("start=%x startLinear=%x g-1=%x",start,startLinear,g-1); + if (g - startLinear < 10) + startLinear = 0; + int endnonlinear = startLinear ? startLinear : g; + // qDebug(" startLinear=%x endnonlinear=%x", startLinear,endnonlinear); + if (endnonlinear > start) { + s << "<" << QPdf::toHex((ushort)start, buf) << "> <"; + s << QPdf::toHex((ushort)(endnonlinear - 1), buf) << "> "; + if (endnonlinear == start + 1) { + s << "<" << QPdf::toHex((ushort)reverseMap[start], buf) << ">\n"; + } else { + s << "["; + for (int i = start; i < endnonlinear; ++i) { + s << "<" << QPdf::toHex((ushort)reverseMap[i], buf) << "> "; + } + s << "]\n"; + } + checkRanges(ts, ranges, nranges); + } + if (startLinear) { + while (startLinear < g) { + int len = g - startLinear; + int uc_start = reverseMap[startLinear]; + int uc_end = uc_start + len - 1; + if ((uc_end >> 8) != (uc_start >> 8)) + len = 256 - (uc_start & 0xff); + s << "<" << QPdf::toHex((ushort)startLinear, buf) << "> <"; + s << QPdf::toHex((ushort)(startLinear + len - 1), buf) << "> "; + s << "<" << QPdf::toHex((ushort)reverseMap[startLinear], buf) << ">\n"; + checkRanges(ts, ranges, nranges); + startLinear += len; + } + } + } + if (nranges) { + ts << nranges << "beginbfrange\n" + << ranges << "endbfrange\n"; + } + ts << "endcmap\n" + "CMapName currentdict /CMap defineresource pop\n" + "end\n" + "end\n"; + + return touc; +} + +int QFontSubset::addGlyph(int index) +{ + int idx = glyph_indices.indexOf(index); + if (idx < 0) { + idx = glyph_indices.size(); + glyph_indices.append(index); + } + return idx; +} + + +// ------------------------------ Truetype generation ---------------------------------------------- + +typedef qint16 F2DOT14; +typedef quint32 Tag; +typedef quint16 GlyphID; +typedef quint16 Offset; + + +class QTtfStream { +public: + QTtfStream(QByteArray &ba) : data((uchar *)ba.data()) { start = data; } + QTtfStream &operator <<(quint8 v) { *data = v; ++data; return *this; } + QTtfStream &operator <<(quint16 v) { qToBigEndian(v, data); data += sizeof(v); return *this; } + QTtfStream &operator <<(quint32 v) { qToBigEndian(v, data); data += sizeof(v); return *this; } + QTtfStream &operator <<(qint8 v) { *data = quint8(v); ++data; return *this; } + QTtfStream &operator <<(qint16 v) { qToBigEndian(v, data); data += sizeof(v); return *this; } + QTtfStream &operator <<(qint32 v) { qToBigEndian(v, data); data += sizeof(v); return *this; } + QTtfStream &operator <<(qint64 v) { qToBigEndian(v, data); data += sizeof(v); return *this; } + + int offset() const { return data - start; } + void setOffset(int o) { data = start + o; } + void align4() { while (offset() & 3) { *data = '\0'; ++data; } } +private: + uchar *data; + uchar *start; +}; + +struct QTtfTable { + Tag tag; + QByteArray data; +}; +Q_DECLARE_TYPEINFO(QTtfTable, Q_MOVABLE_TYPE); + + +struct qttf_head_table { + qint32 font_revision; + quint16 flags; + qint64 created; + qint64 modified; + qint16 xMin; + qint16 yMin; + qint16 xMax; + qint16 yMax; + quint16 macStyle; + qint16 indexToLocFormat; +}; + + +struct qttf_hhea_table { + qint16 ascender; + qint16 descender; + qint16 lineGap; + quint16 maxAdvanceWidth; + qint16 minLeftSideBearing; + qint16 minRightSideBearing; + qint16 xMaxExtent; + quint16 numberOfHMetrics; +}; + + +struct qttf_maxp_table { + quint16 numGlyphs; + quint16 maxPoints; + quint16 maxContours; + quint16 maxCompositePoints; + quint16 maxCompositeContours; + quint16 maxComponentElements; + quint16 maxComponentDepth; +}; + +struct qttf_name_table { + QString copyright; + QString family; + QString subfamily; + QString postscript_name; +}; + + +static QTtfTable generateHead(const qttf_head_table &head); +static QTtfTable generateHhea(const qttf_hhea_table &hhea); +static QTtfTable generateMaxp(const qttf_maxp_table &maxp); +static QTtfTable generateName(const qttf_name_table &name); + +struct qttf_font_tables +{ + qttf_head_table head; + qttf_hhea_table hhea; + qttf_maxp_table maxp; +}; + + +struct QTtfGlyph { + quint16 index; + qint16 xMin; + qint16 xMax; + qint16 yMin; + qint16 yMax; + quint16 advanceWidth; + qint16 lsb; + quint16 numContours; + quint16 numPoints; + QByteArray data; +}; +Q_DECLARE_TYPEINFO(QTtfGlyph, Q_MOVABLE_TYPE); + +static QTtfGlyph generateGlyph(int index, const QPainterPath &path, qreal advance, qreal lsb, qreal ppem); +// generates glyf, loca and hmtx +static QList<QTtfTable> generateGlyphTables(qttf_font_tables &tables, const QList<QTtfGlyph> &_glyphs); + +static QByteArray bindFont(const QList<QTtfTable>& _tables); + + +static quint32 checksum(const QByteArray &table) +{ + quint32 sum = 0; + int offset = 0; + const uchar *d = (uchar *)table.constData(); + while (offset <= table.size()-3) { + sum += qFromBigEndian<quint32>(d + offset); + offset += 4; + } + int shift = 24; + quint32 x = 0; + while (offset < table.size()) { + x |= ((quint32)d[offset]) << shift; + ++offset; + shift -= 8; + } + sum += x; + + return sum; +} + +static QTtfTable generateHead(const qttf_head_table &head) +{ + const int head_size = 54; + QTtfTable t; + t.tag = MAKE_TAG('h', 'e', 'a', 'd'); + t.data.resize(head_size); + + QTtfStream s(t.data); + +// qint32 Table version number 0x00010000 for version 1.0. +// qint32 fontRevision Set by font manufacturer. + s << qint32(0x00010000) + << head.font_revision +// quint32 checkSumAdjustment To compute: set it to 0, sum the entire font as quint32, then store 0xB1B0AFBA - sum. + << quint32(0) +// quint32 magicNumber Set to 0x5F0F3CF5. + << quint32(0x5F0F3CF5) +// quint16 flags Bit 0: Baseline for font at y=0; +// Bit 1: Left sidebearing point at x=0; +// Bit 2: Instructions may depend on point size; +// Bit 3: Force ppem to integer values for all internal scaler math; may use fractional ppem sizes if this bit is clear; +// Bit 4: Instructions may alter advance width (the advance widths might not scale linearly); +// Bits 5-10: These should be set according to Apple's specification . However, they are not implemented in OpenType. +// Bit 11: Font data is 'lossless,' as a result of having been compressed and decompressed with the Agfa MicroType Express engine. +// Bit 12: Font converted (produce compatible metrics) +// Bit 13: Font optimised for ClearType +// Bit 14: Reserved, set to 0 +// Bit 15: Reserved, set to 0 + << quint16(0) + +// quint16 unitsPerEm Valid range is from 16 to 16384. This value should be a power of 2 for fonts that have TrueType outlines. + << quint16(2048) +// qint64 created Number of seconds since 12:00 midnight, January 1, 1904. 64-bit integer + << head.created +// qint64 modified Number of seconds since 12:00 midnight, January 1, 1904. 64-bit integer + << head.modified +// qint16 xMin For all glyph bounding boxes. +// qint16 yMin For all glyph bounding boxes. +// qint16 xMax For all glyph bounding boxes. +// qint16 yMax For all glyph bounding boxes. + << head.xMin + << head.yMin + << head.xMax + << head.yMax +// quint16 macStyle Bit 0: Bold (if set to 1); +// Bit 1: Italic (if set to 1) +// Bit 2: Underline (if set to 1) +// Bit 3: Outline (if set to 1) +// Bit 4: Shadow (if set to 1) +// Bit 5: Condensed (if set to 1) +// Bit 6: Extended (if set to 1) +// Bits 7-15: Reserved (set to 0). + << head.macStyle +// quint16 lowestRecPPEM Smallest readable size in pixels. + << quint16(6) // just a wild guess +// qint16 fontDirectionHint 0: Fully mixed directional glyphs; + << qint16(0) +// 1: Only strongly left to right; +// 2: Like 1 but also contains neutrals; +// -1: Only strongly right to left; +// -2: Like -1 but also contains neutrals. 1 +// qint16 indexToLocFormat 0 for short offsets, 1 for long. + << head.indexToLocFormat +// qint16 glyphDataFormat 0 for current format. + << qint16(0); + + Q_ASSERT(s.offset() == head_size); + return t; +} + + +static QTtfTable generateHhea(const qttf_hhea_table &hhea) +{ + const int hhea_size = 36; + QTtfTable t; + t.tag = MAKE_TAG('h', 'h', 'e', 'a'); + t.data.resize(hhea_size); + + QTtfStream s(t.data); +// qint32 Table version number 0x00010000 for version 1.0. + s << qint32(0x00010000) +// qint16 Ascender Typographic ascent. (Distance from baseline of highest ascender) + << hhea.ascender +// qint16 Descender Typographic descent. (Distance from baseline of lowest descender) + << hhea.descender +// qint16 LineGap Typographic line gap. +// Negative LineGap values are treated as zero +// in Windows 3.1, System 6, and +// System 7. + << hhea.lineGap +// quint16 advanceWidthMax Maximum advance width value in 'hmtx' table. + << hhea.maxAdvanceWidth +// qint16 minLeftSideBearing Minimum left sidebearing value in 'hmtx' table. + << hhea.minLeftSideBearing +// qint16 minRightSideBearing Minimum right sidebearing value; calculated as Min(aw - lsb - (xMax - xMin)). + << hhea.minRightSideBearing +// qint16 xMaxExtent Max(lsb + (xMax - xMin)). + << hhea.xMaxExtent +// qint16 caretSlopeRise Used to calculate the slope of the cursor (rise/run); 1 for vertical. + << qint16(1) +// qint16 caretSlopeRun 0 for vertical. + << qint16(0) +// qint16 caretOffset The amount by which a slanted highlight on a glyph needs to be shifted to produce the best appearance. Set to 0 for non-slanted fonts + << qint16(0) +// qint16 (reserved) set to 0 + << qint16(0) +// qint16 (reserved) set to 0 + << qint16(0) +// qint16 (reserved) set to 0 + << qint16(0) +// qint16 (reserved) set to 0 + << qint16(0) +// qint16 metricDataFormat 0 for current format. + << qint16(0) +// quint16 numberOfHMetrics Number of hMetric entries in 'hmtx' table + << hhea.numberOfHMetrics; + + Q_ASSERT(s.offset() == hhea_size); + return t; +} + + +static QTtfTable generateMaxp(const qttf_maxp_table &maxp) +{ + const int maxp_size = 32; + QTtfTable t; + t.tag = MAKE_TAG('m', 'a', 'x', 'p'); + t.data.resize(maxp_size); + + QTtfStream s(t.data); + +// qint32 Table version number 0x00010000 for version 1.0. + s << qint32(0x00010000) +// quint16 numGlyphs The number of glyphs in the font. + << maxp.numGlyphs +// quint16 maxPoints Maximum points in a non-composite glyph. + << maxp.maxPoints +// quint16 maxContours Maximum contours in a non-composite glyph. + << maxp.maxContours +// quint16 maxCompositePoints Maximum points in a composite glyph. + << maxp.maxCompositePoints +// quint16 maxCompositeContours Maximum contours in a composite glyph. + << maxp.maxCompositeContours +// quint16 maxZones 1 if instructions do not use the twilight zone (Z0), or 2 if instructions do use Z0; should be set to 2 in most cases. + << quint16(1) // we do not embed instructions +// quint16 maxTwilightPoints Maximum points used in Z0. + << quint16(0) +// quint16 maxStorage Number of Storage Area locations. + << quint16(0) +// quint16 maxFunctionDefs Number of FDEFs. + << quint16(0) +// quint16 maxInstructionDefs Number of IDEFs. + << quint16(0) +// quint16 maxStackElements Maximum stack depth2. + << quint16(0) +// quint16 maxSizeOfInstructions Maximum byte count for glyph instructions. + << quint16(0) +// quint16 maxComponentElements Maximum number of components referenced at "top level" for any composite glyph. + << maxp.maxComponentElements +// quint16 maxComponentDepth Maximum levels of recursion; 1 for simple components. + << maxp.maxComponentDepth; + + Q_ASSERT(s.offset() == maxp_size); + return t; +} + +struct QTtfNameRecord { + quint16 nameId; + QString value; +}; + +static QTtfTable generateName(const QList<QTtfNameRecord> &name); + +static QTtfTable generateName(const qttf_name_table &name) +{ + QList<QTtfNameRecord> list; + QTtfNameRecord rec; + rec.nameId = 0; + rec.value = name.copyright; + list.append(rec); + rec.nameId = 1; + rec.value = name.family; + list.append(rec); + rec.nameId = 2; + rec.value = name.subfamily; + list.append(rec); + rec.nameId = 4; + rec.value = name.family; + if (name.subfamily != QLatin1String("Regular")) + rec.value += QLatin1Char(' ') + name.subfamily; + list.append(rec); + rec.nameId = 6; + rec.value = name.postscript_name; + list.append(rec); + + return generateName(list); +} + +// ####### should probably generate Macintosh/Roman name entries as well +static QTtfTable generateName(const QList<QTtfNameRecord> &name) +{ + const int char_size = 2; + + QTtfTable t; + t.tag = MAKE_TAG('n', 'a', 'm', 'e'); + + const int name_size = 6 + 12*name.size(); + int string_size = 0; + for (int i = 0; i < name.size(); ++i) { + string_size += name.at(i).value.length()*char_size; + } + t.data.resize(name_size + string_size); + + QTtfStream s(t.data); +// quint16 format Format selector (=0). + s << quint16(0) +// quint16 count Number of name records. + << quint16(name.size()) +// quint16 stringOffset Offset to start of string storage (from start of table). + << quint16(name_size); +// NameRecord nameRecord[count] The name records where count is the number of records. +// (Variable) + + int off = 0; + for (int i = 0; i < name.size(); ++i) { + int len = name.at(i).value.length()*char_size; +// quint16 platformID Platform ID. +// quint16 encodingID Platform-specific encoding ID. +// quint16 languageID Language ID. + s << quint16(3) + << quint16(1) + << quint16(0x0409) // en_US +// quint16 nameId Name ID. + << name.at(i).nameId +// quint16 length String length (in bytes). + << quint16(len) +// quint16 offset String offset from start of storage area (in bytes). + << quint16(off); + off += len; + } + for (int i = 0; i < name.size(); ++i) { + const QString &n = name.at(i).value; + const ushort *uc = n.utf16(); + for (int i = 0; i < n.length(); ++i) { + s << quint16(*uc); + ++uc; + } + } + return t; +} + + +enum Flags { + OffCurve = 0, + OnCurve = (1 << 0), + XShortVector = (1 << 1), + YShortVector = (1 << 2), + Repeat = (1 << 3), + XSame = (1 << 4), + XShortPositive = (1 << 4), + YSame = (1 << 5), + YShortPositive = (1 << 5) +}; +struct TTF_POINT { + qint16 x; + qint16 y; + quint8 flags; +}; +Q_DECLARE_TYPEINFO(TTF_POINT, Q_PRIMITIVE_TYPE); + +static void convertPath(const QPainterPath &path, QList<TTF_POINT> *points, QList<int> *endPoints, qreal ppem) +{ + int numElements = path.elementCount(); + for (int i = 0; i < numElements - 1; ++i) { + const QPainterPath::Element &e = path.elementAt(i); + TTF_POINT p; + p.x = qRound(e.x * 2048. / ppem); + p.y = qRound(-e.y * 2048. / ppem); + p.flags = 0; + + switch(e.type) { + case QPainterPath::MoveToElement: + if (i != 0) { + // see if start and end points of the last contour agree + int start = endPoints->size() ? endPoints->at(endPoints->size()-1) - 1 : 0; + int end = points->size() - 1; + if (points->at(end).x == points->at(start).x + && points->at(end).y == points->at(start).y) + points->takeLast(); + endPoints->append(points->size() - 1); + } + // fall through + case QPainterPath::LineToElement: + p.flags = OnCurve; + break; + case QPainterPath::CurveToElement: { + // cubic bezier curve, we need to reduce to a list of quadratic curves + TTF_POINT list[3*16 + 4]; // we need max 16 subdivisions + list[3] = points->at(points->size() - 1); + list[2] = p; + const QPainterPath::Element &e2 = path.elementAt(++i); + list[1].x = qRound(e2.x * 2048. / ppem); + list[1].y = qRound(-e2.y * 2048. / ppem); + const QPainterPath::Element &e3 = path.elementAt(++i); + list[0].x = qRound(e3.x * 2048. / ppem); + list[0].y = qRound(-e3.y * 2048. / ppem); + + TTF_POINT *base = list; + + bool try_reduce = points->size() > 1 + && points->at(points->size() - 1).flags == OnCurve + && points->at(points->size() - 2).flags == OffCurve; +// qDebug("generating beziers:"); + while (base >= list) { + const int split_limit = 3; +// { +// qDebug("iteration:"); +// TTF_POINT *x = list; +// while (x <= base + 3) { +// qDebug() << " " << QPoint(x->x, x->y); +// ++x; +// } +// } + Q_ASSERT(base - list < 3*16 + 1); + // first see if we can easily reduce the cubic to a quadratic bezier curve + int i1_x = base[1].x + ((base[1].x - base[0].x) >> 1); + int i1_y = base[1].y + ((base[1].y - base[0].y) >> 1); + int i2_x = base[2].x + ((base[2].x - base[3].x) >> 1); + int i2_y = base[2].y + ((base[2].y - base[3].y) >> 1); +// qDebug() << "checking: i1=" << QPoint(i1_x, i1_y) << " i2=" << QPoint(i2_x, i2_y); + if (qAbs(i1_x - i2_x) <= split_limit && qAbs(i1_y - i2_y) <= split_limit) { + // got a quadratic bezier curve + TTF_POINT np; + np.x = (i1_x + i2_x) >> 1; + np.y = (i1_y + i2_y) >> 1; + if (try_reduce) { + // see if we can optimise out the last onCurve point + int mx = (points->at(points->size() - 2).x + base[2].x) >> 1; + int my = (points->at(points->size() - 2).y + base[2].y) >> 1; + if (qAbs(mx - base[3].x) <= split_limit && qAbs(my = base[3].y) <= split_limit) + points->takeLast(); + try_reduce = false; + } + np.flags = OffCurve; + points->append(np); +// qDebug() << " appending offcurve point " << QPoint(np.x, np.y); + base -= 3; + } else { + // need to split +// qDebug() << " -> splitting"; + qint16 a, b, c, d; + base[6].x = base[3].x; + c = base[1].x; + d = base[2].x; + base[1].x = a = ( base[0].x + c ) >> 1; + base[5].x = b = ( base[3].x + d ) >> 1; + c = ( c + d ) >> 1; + base[2].x = a = ( a + c ) >> 1; + base[4].x = b = ( b + c ) >> 1; + base[3].x = ( a + b ) >> 1; + + base[6].y = base[3].y; + c = base[1].y; + d = base[2].y; + base[1].y = a = ( base[0].y + c ) >> 1; + base[5].y = b = ( base[3].y + d ) >> 1; + c = ( c + d ) >> 1; + base[2].y = a = ( a + c ) >> 1; + base[4].y = b = ( b + c ) >> 1; + base[3].y = ( a + b ) >> 1; + base += 3; + } + } + p = list[0]; + p.flags = OnCurve; + break; + } + case QPainterPath::CurveToDataElement: + Q_ASSERT(false); + break; + } +// qDebug() << " appending oncurve point " << QPoint(p.x, p.y); + points->append(p); + } + int start = endPoints->size() ? endPoints->at(endPoints->size()-1) + 1 : 0; + int end = points->size() - 1; + if (points->at(end).x == points->at(start).x + && points->at(end).y == points->at(start).y) + points->takeLast(); + endPoints->append(points->size() - 1); +} + +static void getBounds(const QList<TTF_POINT> &points, qint16 *xmin, qint16 *xmax, qint16 *ymin, qint16 *ymax) +{ + *xmin = points.at(0).x; + *xmax = *xmin; + *ymin = points.at(0).y; + *ymax = *ymin; + + for (int i = 1; i < points.size(); ++i) { + *xmin = qMin(*xmin, points.at(i).x); + *xmax = qMax(*xmax, points.at(i).x); + *ymin = qMin(*ymin, points.at(i).y); + *ymax = qMax(*ymax, points.at(i).y); + } +} + +static int convertToRelative(QList<TTF_POINT> *points) +{ + // convert points to relative and setup flags +// qDebug() << "relative points:"; + qint16 prev_x = 0; + qint16 prev_y = 0; + int point_array_size = 0; + for (int i = 0; i < points->size(); ++i) { + const int x = points->at(i).x; + const int y = points->at(i).y; + TTF_POINT rel; + rel.x = x - prev_x; + rel.y = y - prev_y; + rel.flags = points->at(i).flags; + Q_ASSERT(rel.flags < 2); + if (!rel.x) { + rel.flags |= XSame; + } else if (rel.x > 0 && rel.x < 256) { + rel.flags |= XShortVector|XShortPositive; + point_array_size++; + } else if (rel.x < 0 && rel.x > -256) { + rel.flags |= XShortVector; + rel.x = -rel.x; + point_array_size++; + } else { + point_array_size += 2; + } + if (!rel.y) { + rel.flags |= YSame; + } else if (rel.y > 0 && rel.y < 256) { + rel.flags |= YShortVector|YShortPositive; + point_array_size++; + } else if (rel.y < 0 && rel.y > -256) { + rel.flags |= YShortVector; + rel.y = -rel.y; + point_array_size++; + } else { + point_array_size += 2; + } + (*points)[i] = rel; +// #define toString(x) ((rel.flags & x) ? #x : "") +// qDebug() << " " << QPoint(rel.x, rel.y) << "flags=" +// << toString(OnCurve) << toString(XShortVector) +// << (rel.flags & XShortVector ? toString(XShortPositive) : toString(XSame)) +// << toString(YShortVector) +// << (rel.flags & YShortVector ? toString(YShortPositive) : toString(YSame)); + + prev_x = x; + prev_y = y; + } + return point_array_size; +} + +static void getGlyphData(QTtfGlyph *glyph, const QList<TTF_POINT> &points, const QList<int> &endPoints, int point_array_size) +{ + const int max_size = 5*sizeof(qint16) // header + + endPoints.size()*sizeof(quint16) // end points of contours + + sizeof(quint16) // instruction length == 0 + + points.size()*(1) // flags + + point_array_size; // coordinates + + glyph->data.resize(max_size); + + QTtfStream s(glyph->data); + s << qint16(endPoints.size()) + << glyph->xMin << glyph->yMin << glyph->xMax << glyph->yMax; + + for (int i = 0; i < endPoints.size(); ++i) + s << quint16(endPoints.at(i)); + s << quint16(0); // instruction length + + // emit flags + for (int i = 0; i < points.size(); ++i) + s << quint8(points.at(i).flags); + // emit points + for (int i = 0; i < points.size(); ++i) { + quint8 flags = points.at(i).flags; + qint16 x = points.at(i).x; + + if (flags & XShortVector) + s << quint8(x); + else if (!(flags & XSame)) + s << qint16(x); + } + for (int i = 0; i < points.size(); ++i) { + quint8 flags = points.at(i).flags; + qint16 y = points.at(i).y; + + if (flags & YShortVector) + s << quint8(y); + else if (!(flags & YSame)) + s << qint16(y); + } + +// qDebug() << "offset=" << s.offset() << "max_size=" << max_size << "point_array_size=" << point_array_size; + Q_ASSERT(s.offset() == max_size); + + glyph->numContours = endPoints.size(); + glyph->numPoints = points.size(); +} + +static QTtfGlyph generateGlyph(int index, const QPainterPath &path, qreal advance, qreal lsb, qreal ppem) +{ + QList<TTF_POINT> points; + QList<int> endPoints; + QTtfGlyph glyph; + glyph.index = index; + glyph.advanceWidth = qRound(advance * 2048. / ppem); + glyph.lsb = qRound(lsb * 2048. / ppem); + + if (!path.elementCount()) { + //qDebug("glyph %d is empty", index); + lsb = 0; + glyph.xMin = glyph.xMax = glyph.yMin = glyph.yMax = 0; + glyph.numContours = 0; + glyph.numPoints = 0; + return glyph; + } + + convertPath(path, &points, &endPoints, ppem); + +// qDebug() << "number of contours=" << endPoints.size(); +// for (int i = 0; i < points.size(); ++i) +// qDebug() << " point[" << i << "] = " << QPoint(points.at(i).x, points.at(i).y) << " flags=" << points.at(i).flags; +// qDebug() << "endPoints:"; +// for (int i = 0; i < endPoints.size(); ++i) +// qDebug() << endPoints.at(i); + + getBounds(points, &glyph.xMin, &glyph.xMax, &glyph.yMin, &glyph.yMax); + int point_array_size = convertToRelative(&points); + getGlyphData(&glyph, points, endPoints, point_array_size); + return glyph; +} + +Q_STATIC_GLOBAL_OPERATOR bool operator <(const QTtfGlyph &g1, const QTtfGlyph &g2) +{ + return g1.index < g2.index; +} + +static QList<QTtfTable> generateGlyphTables(qttf_font_tables &tables, const QList<QTtfGlyph> &_glyphs) +{ + const int max_size_small = 65536*2; + QList<QTtfGlyph> glyphs = _glyphs; + qSort(glyphs); + + Q_ASSERT(tables.maxp.numGlyphs == glyphs.at(glyphs.size()-1).index + 1); + int nGlyphs = tables.maxp.numGlyphs; + + int glyf_size = 0; + for (int i = 0; i < glyphs.size(); ++i) + glyf_size += (glyphs.at(i).data.size() + 3) & ~3; + + tables.head.indexToLocFormat = glyf_size < max_size_small ? 0 : 1; + tables.hhea.numberOfHMetrics = nGlyphs; + + QTtfTable glyf; + glyf.tag = MAKE_TAG('g', 'l', 'y', 'f'); + + QTtfTable loca; + loca.tag = MAKE_TAG('l', 'o', 'c', 'a'); + loca.data.resize(glyf_size < max_size_small ? (nGlyphs+1)*sizeof(quint16) : (nGlyphs+1)*sizeof(quint32)); + QTtfStream ls(loca.data); + + QTtfTable hmtx; + hmtx.tag = MAKE_TAG('h', 'm', 't', 'x'); + hmtx.data.resize(nGlyphs*4); + QTtfStream hs(hmtx.data); + + int pos = 0; + for (int i = 0; i < nGlyphs; ++i) { + int gpos = glyf.data.size(); + quint16 advance = 0; + qint16 lsb = 0; + + if (glyphs[pos].index == i) { + // emit glyph +// qDebug("emitting glyph %d: size=%d", i, glyphs.at(i).data.size()); + glyf.data += glyphs.at(pos).data; + while (glyf.data.size() & 1) + glyf.data.append('\0'); + advance = glyphs.at(pos).advanceWidth; + lsb = glyphs.at(pos).lsb; + ++pos; + } + if (glyf_size < max_size_small) { + // use short loca format + ls << quint16(gpos>>1); + } else { + // use long loca format + ls << quint32(gpos); + } + hs << advance + << lsb; + } + if (glyf_size < max_size_small) { + // use short loca format + ls << quint16(glyf.data.size()>>1); + } else { + // use long loca format + ls << quint32(glyf.data.size()); + } + + Q_ASSERT(loca.data.size() == ls.offset()); + Q_ASSERT(hmtx.data.size() == hs.offset()); + + QList<QTtfTable> list; + list.append(glyf); + list.append(loca); + list.append(hmtx); + return list; +} + +Q_STATIC_GLOBAL_OPERATOR bool operator <(const QTtfTable &t1, const QTtfTable &t2) +{ + return t1.tag < t2.tag; +} + +static QByteArray bindFont(const QList<QTtfTable>& _tables) +{ + QList<QTtfTable> tables = _tables; + + qSort(tables); + + QByteArray font; + const int header_size = sizeof(qint32) + 4*sizeof(quint16); + const int directory_size = 4*sizeof(quint32)*tables.size(); + font.resize(header_size + directory_size); + + int log2 = 0; + int pow = 1; + int n = tables.size() >> 1; + while (n) { + ++log2; + pow <<= 1; + n >>= 1; + } + + quint32 head_offset = 0; + { + QTtfStream f(font); +// Offset Table +// Type Name Description +// qint32 sfnt version 0x00010000 for version 1.0. +// quint16 numTables Number of tables. +// quint16 searchRange (Maximum power of 2 <= numTables) x 16. +// quint16 entrySelector Log2(maximum power of 2 <= numTables). +// quint16 rangeShift NumTables x 16-searchRange. + f << qint32(0x00010000) + << quint16(tables.size()) + << quint16(16*pow) + << quint16(log2) + << quint16(16*(tables.size() - pow)); + +// Table Directory +// Type Name Description +// quint32 tag 4 -byte identifier. +// quint32 checkSum CheckSum for this table. +// quint32 offset Offset from beginning of TrueType font file. +// quint32 length Length of this table. + quint32 table_offset = header_size + directory_size; + for (int i = 0; i < tables.size(); ++i) { + const QTtfTable &t = tables.at(i); + const quint32 size = (t.data.size() + 3) & ~3; + if (t.tag == MAKE_TAG('h', 'e', 'a', 'd')) + head_offset = table_offset; + f << t.tag + << checksum(t.data) + << table_offset + << t.data.size(); + table_offset += size; +#define TAG(x) char(t.tag >> 24) << char((t.tag >> 16) & 0xff) << char((t.tag >> 8) & 0xff) << char(t.tag & 0xff) + //qDebug() << "table " << TAG(t.tag) << "has size " << t.data.size() << "stream at " << f.offset(); + } + } + for (int i = 0; i < tables.size(); ++i) { + const QByteArray &t = tables.at(i).data; + font += t; + int s = t.size(); + while (s & 3) { font += '\0'; ++s; } + } + + if (!head_offset) { + qWarning("QFontSubset: Font misses 'head' table"); + return QByteArray(); + } + + // calculate the fonts checksum and qToBigEndian into 'head's checksum_adjust + quint32 checksum_adjust = 0xB1B0AFBA - checksum(font); + qToBigEndian(checksum_adjust, (uchar *)font.data() + head_offset + 8); + + return font; +} + + +/* + PDF requires the following tables: + + head, hhea, loca, maxp, cvt , prep, glyf, hmtx, fpgm + + This means we don't have to add a os/2, post or name table. cvt , prep and fpgm could be empty + if really required. +*/ + +QByteArray QFontSubset::toTruetype() const +{ + qttf_font_tables font; + memset(&font, 0, sizeof(qttf_font_tables)); + + qreal ppem = fontEngine->fontDef.pixelSize; +#define TO_TTF(x) qRound(x * 2048. / ppem) + QList<QTtfGlyph> glyphs; + + QFontEngine::Properties properties = fontEngine->properties(); + // initialize some stuff needed in createWidthArray + emSquare = 2048; + widths.resize(nGlyphs()); + + // head table + font.head.font_revision = 0x00010000; + font.head.flags = (1 << 2) | (1 << 4); + font.head.created = 0; // ### + font.head.modified = 0; // ### + font.head.xMin = SHRT_MAX; + font.head.xMax = SHRT_MIN; + font.head.yMin = SHRT_MAX; + font.head.yMax = SHRT_MIN; + font.head.macStyle = (fontEngine->fontDef.weight > QFont::Normal) ? 1 : 0; + font.head.macStyle |= (fontEngine->fontDef.styleHint != QFont::StyleNormal) ? 1 : 0; + + // hhea table + font.hhea.ascender = qRound(properties.ascent); + font.hhea.descender = -qRound(properties.descent); + font.hhea.lineGap = qRound(properties.leading); + font.hhea.maxAdvanceWidth = TO_TTF(fontEngine->maxCharWidth()); + font.hhea.minLeftSideBearing = TO_TTF(fontEngine->minLeftBearing()); + font.hhea.minRightSideBearing = TO_TTF(fontEngine->minRightBearing()); + font.hhea.xMaxExtent = SHRT_MIN; + + font.maxp.numGlyphs = 0; + font.maxp.maxPoints = 0; + font.maxp.maxContours = 0; + font.maxp.maxCompositePoints = 0; + font.maxp.maxCompositeContours = 0; + font.maxp.maxComponentElements = 0; + font.maxp.maxComponentDepth = 0; + font.maxp.numGlyphs = nGlyphs(); + + + + uint sumAdvances = 0; + for (int i = 0; i < nGlyphs(); ++i) { + glyph_t g = glyph_indices.at(i); + QPainterPath path; + glyph_metrics_t metric; + fontEngine->getUnscaledGlyph(g, &path, &metric); + if (noEmbed) { + path = QPainterPath(); + if (g == 0) + path.addRect(QRectF(0, 0, 1000, 1000)); + } + QTtfGlyph glyph = generateGlyph(i, path, metric.xoff.toReal(), metric.x.toReal(), properties.emSquare.toReal()); + + font.head.xMin = qMin(font.head.xMin, glyph.xMin); + font.head.xMax = qMax(font.head.xMax, glyph.xMax); + font.head.yMin = qMin(font.head.yMin, glyph.yMin); + font.head.yMax = qMax(font.head.yMax, glyph.yMax); + + font.hhea.xMaxExtent = qMax(font.hhea.xMaxExtent, (qint16)(glyph.lsb + glyph.xMax - glyph.xMin)); + + font.maxp.maxPoints = qMax(font.maxp.maxPoints, glyph.numPoints); + font.maxp.maxContours = qMax(font.maxp.maxContours, glyph.numContours); + + if (glyph.xMax > glyph.xMin) + sumAdvances += glyph.xMax - glyph.xMin; + +// qDebug("adding glyph %d size=%d", glyph.index, glyph.data.size()); + glyphs.append(glyph); + widths[i] = glyph.advanceWidth; + } + + + QList<QTtfTable> tables = generateGlyphTables(font, glyphs); + tables.append(generateHead(font.head)); + tables.append(generateHhea(font.hhea)); + tables.append(generateMaxp(font.maxp)); + // name + QTtfTable name_table; + name_table.tag = MAKE_TAG('n', 'a', 'm', 'e'); + if (!noEmbed) + name_table.data = fontEngine->getSfntTable(name_table.tag); + if (name_table.data.isEmpty()) { + qttf_name_table name; + if (noEmbed) + name.copyright = QLatin1String("Fake font"); + else + name.copyright = QLatin1String(properties.copyright); + name.family = fontEngine->fontDef.family; + name.subfamily = QLatin1String("Regular"); // ###### + name.postscript_name = QLatin1String(properties.postscriptName); + name_table = generateName(name); + } + tables.append(name_table); + + if (!noEmbed) { + QTtfTable os2; + os2.tag = MAKE_TAG('O', 'S', '/', '2'); + os2.data = fontEngine->getSfntTable(os2.tag); + if (!os2.data.isEmpty()) + tables.append(os2); + } + + return bindFont(tables); +} + +// ------------------ Type 1 generation --------------------------- + +// needs at least 6 bytes of space in tmp +static const char *encodeNumber(int num, char *tmp) +{ + const char *ret = tmp; + if(num >= -107 && num <= 107) { + QPdf::toHex((uchar)(num + 139), tmp); + tmp += 2; + } else if (num > 107 && num <= 1131) { + num -= 108; + QPdf::toHex((uchar)((num >> 8) + 247), tmp); + tmp += 2; + QPdf::toHex((uchar)(num & 0xff), tmp); + tmp += 2; + } else if(num < - 107 && num >= -1131) { + num += 108; + num = -num; + QPdf::toHex((uchar)((num >> 8) + 251), tmp); + tmp += 2; + QPdf::toHex((uchar)(num & 0xff), tmp); + tmp += 2; + } else { + *tmp++ = 'f'; + *tmp++ = 'f'; + QPdf::toHex((uchar)(num >> 24), tmp); + tmp += 2; + QPdf::toHex((uchar)(num >> 16), tmp); + tmp += 2; + QPdf::toHex((uchar)(num >> 8), tmp); + tmp += 2; + QPdf::toHex((uchar)(num >> 0), tmp); + tmp += 2; + } + *tmp = 0; +// qDebug("encodeNumber: %d -> '%s'", num, ret); + return ret; +} + +static QByteArray charString(const QPainterPath &path, qreal advance, qreal lsb, qreal ppem) +{ + // the charstring commands we need + const char *hsbw = "0D"; + const char *closepath = "09"; + const char *moveto[3] = { "16", "04", "15" }; + const char *lineto[3] = { "06", "07", "05" }; + const char *rcurveto = "08"; + const char *endchar = "0E"; + + enum { horizontal = 1, vertical = 2 }; + + char tmp[16]; + + qreal factor = 1000./ppem; + + int lsb_i = qRound(lsb*factor); + int advance_i = qRound(advance*factor); +// qDebug("--- charstring"); + + // first of all add lsb and width to the charstring using the hsbw command + QByteArray charstring; + charstring += encodeNumber(lsb_i, tmp); + charstring += encodeNumber(advance_i, tmp); + charstring += hsbw; + + // add the path + int xl = lsb_i; + int yl = 0; + bool openpath = false; + for (int i = 0; i < path.elementCount(); ++i) { + const QPainterPath::Element &elm = path.elementAt(i); + int x = qRound(elm.x*factor); + int y = -qRound(elm.y*factor); + int dx = x - xl; + int dy = y - yl; + if (elm.type == QPainterPath::MoveToElement && openpath) { +// qDebug("closepath %s", closepath); + charstring += closepath; + } + if (elm.type == QPainterPath::MoveToElement || + elm.type == QPainterPath::LineToElement) { + int type = -1; + if (dx || !dy) { + charstring += encodeNumber(dx, tmp); + type += horizontal; +// qDebug("horizontal"); + } + if (dy) { + charstring += encodeNumber(dy, tmp); + type += vertical; +// qDebug("vertical"); + } +// qDebug("moveto/lineto %s", (elm.type == QPainterPath::MoveToElement ? moveto[type] : lineto[type])); + charstring += (elm.type == QPainterPath::MoveToElement ? moveto[type] : lineto[type]); + openpath = true; + xl = x; + yl = y; + } else { + Q_ASSERT(elm.type == QPainterPath::CurveToElement); + const QPainterPath::Element &elm2 = path.elementAt(++i); + const QPainterPath::Element &elm3 = path.elementAt(++i); + int x2 = qRound(elm2.x*factor); + int y2 = -qRound(elm2.y*factor); + int x3 = qRound(elm3.x*factor); + int y3 = -qRound(elm3.y*factor); + charstring += encodeNumber(dx, tmp); + charstring += encodeNumber(dy, tmp); + charstring += encodeNumber(x2 - x, tmp); + charstring += encodeNumber(y2 - y, tmp); + charstring += encodeNumber(x3 - x2, tmp); + charstring += encodeNumber(y3 - y2, tmp); + charstring += rcurveto; + openpath = true; + xl = x3; + yl = y3; +// qDebug("rcurveto"); + } + } + if (openpath) + charstring += closepath; + charstring += endchar; + if (charstring.length() > 240) { + int pos = 240; + while (pos < charstring.length()) { + charstring.insert(pos, '\n'); + pos += 241; + } + } + return charstring; +} + +#ifndef QT_NO_FREETYPE +static const char *helvetica_styles[4] = { + "Helvetica", + "Helvetica-Bold", + "Helvetica-Oblique", + "Helvetica-BoldOblique" +}; +static const char *times_styles[4] = { + "Times-Regular", + "Times-Bold", + "Times-Italic", + "Times-BoldItalic" +}; +static const char *courier_styles[4] = { + "Courier", + "Courier-Bold", + "Courier-Oblique", + "Courier-BoldOblique" +}; +#endif + +QByteArray QFontSubset::toType1() const +{ + QFontEngine::Properties properties = fontEngine->properties(); + QVector<int> reverseMap = getReverseMap(); + + QByteArray font; + QPdf::ByteStream s(&font); + + QByteArray id = QByteArray::number(object_id); + QByteArray psname = properties.postscriptName; + psname.replace(" ", ""); + + standard_font = false; + +#ifndef QT_NO_FREETYPE + FT_Face face = ft_face(fontEngine); + if (face && !FT_IS_SCALABLE(face)) { + int style = 0; + if (fontEngine->fontDef.style) + style += 2; + if (fontEngine->fontDef.weight >= QFont::Bold) + style++; + if (fontEngine->fontDef.family.contains(QLatin1String("Helvetica"))) { + psname = helvetica_styles[style]; + standard_font = true; + } else if (fontEngine->fontDef.family.contains(QLatin1String("Times"))) { + psname = times_styles[style]; + standard_font = true; + } else if (fontEngine->fontDef.family.contains(QLatin1String("Courier"))) { + psname = courier_styles[style]; + standard_font = true; + } + } +#endif + s << "/F" << id << "-Base\n"; + if (standard_font) { + s << "/" << psname << " findfont\n" + "0 dict copy dup /NumGlyphs 0 put dup /CMap 256 array put def\n"; + } else { + s << "<<\n"; + if(!psname.isEmpty()) + s << "/FontName /" << psname << "\n"; + s << "/FontInfo <</FsType " << (int)fontEngine->fsType << ">>\n" + "/FontType 1\n" + "/PaintType 0\n" + "/FontMatrix [.001 0 0 .001 0 0]\n" + "/FontBBox { 0 0 0 0 }\n" + "/Private <<\n" + "/password 5839\n" + "/MinFeature {16 16}\n" + "/BlueValues []\n" + "/lenIV -1\n" + ">>\n" + "/CharStrings << >>\n" + "/NumGlyphs 0\n" + "/CMap 256 array\n" + ">> def\n"; + } + s << type1AddedGlyphs(); + downloaded_glyphs = glyph_indices.size(); + + return font; +} + +QByteArray QFontSubset::type1AddedGlyphs() const +{ + if (downloaded_glyphs == glyph_indices.size()) + return QByteArray(); + + QFontEngine::Properties properties = fontEngine->properties(); + QVector<int> reverseMap = getReverseMap(); + QByteArray glyphs; + QPdf::ByteStream s(&glyphs); + + int nGlyphs = glyph_indices.size(); + QByteArray id = QByteArray::number(object_id); + + s << "F" << id << "-Base [\n"; + for (int i = downloaded_glyphs; i < nGlyphs; ++i) { + glyph_t g = glyph_indices.at(i); + QPainterPath path; + glyph_metrics_t metric; + fontEngine->getUnscaledGlyph(g, &path, &metric); + QByteArray charstring = charString(path, metric.xoff.toReal(), metric.x.toReal(), + properties.emSquare.toReal()); + s << glyphName(i, reverseMap); + if (!standard_font) + s << "\n<" << charstring << ">\n"; + } + s << (standard_font ? "] T1AddMapping\n" : "] T1AddGlyphs\n"); + return glyphs; +} + +QT_END_NAMESPACE + +#endif // QT_NO_PRINTER |