|
0
|
1 |
/****************************************************************************
|
|
|
2 |
**
|
|
|
3 |
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
|
|
|
4 |
** All rights reserved.
|
|
|
5 |
** Contact: Nokia Corporation (qt-info@nokia.com)
|
|
|
6 |
**
|
|
|
7 |
** This file is part of the QtGui module of the Qt Toolkit.
|
|
|
8 |
**
|
|
|
9 |
** $QT_BEGIN_LICENSE:LGPL$
|
|
|
10 |
** No Commercial Usage
|
|
|
11 |
** This file contains pre-release code and may not be distributed.
|
|
|
12 |
** You may use this file in accordance with the terms and conditions
|
|
|
13 |
** contained in the Technology Preview License Agreement accompanying
|
|
|
14 |
** this package.
|
|
|
15 |
**
|
|
|
16 |
** GNU Lesser General Public License Usage
|
|
|
17 |
** Alternatively, this file may be used under the terms of the GNU Lesser
|
|
|
18 |
** General Public License version 2.1 as published by the Free Software
|
|
|
19 |
** Foundation and appearing in the file LICENSE.LGPL included in the
|
|
|
20 |
** packaging of this file. Please review the following information to
|
|
|
21 |
** ensure the GNU Lesser General Public License version 2.1 requirements
|
|
|
22 |
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
|
|
|
23 |
**
|
|
|
24 |
** In addition, as a special exception, Nokia gives you certain additional
|
|
|
25 |
** rights. These rights are described in the Nokia Qt LGPL Exception
|
|
|
26 |
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
|
|
|
27 |
**
|
|
|
28 |
** If you have questions regarding the use of this file, please contact
|
|
|
29 |
** Nokia at qt-info@nokia.com.
|
|
|
30 |
**
|
|
|
31 |
**
|
|
|
32 |
**
|
|
|
33 |
**
|
|
|
34 |
**
|
|
|
35 |
**
|
|
|
36 |
**
|
|
|
37 |
**
|
|
|
38 |
** $QT_END_LICENSE$
|
|
|
39 |
**
|
|
|
40 |
****************************************************************************/
|
|
|
41 |
#include <qdebug.h>
|
|
|
42 |
#include "qfontsubset_p.h"
|
|
|
43 |
#include <qendian.h>
|
|
|
44 |
#include <qpainterpath.h>
|
|
|
45 |
#include "private/qpdf_p.h"
|
|
|
46 |
#include "private/qfunctions_p.h"
|
|
|
47 |
|
|
|
48 |
#ifdef Q_WS_X11
|
|
|
49 |
#include "private/qfontengine_x11_p.h"
|
|
|
50 |
#endif
|
|
|
51 |
|
|
|
52 |
#ifndef QT_NO_FREETYPE
|
|
|
53 |
#if defined(Q_WS_X11) || defined(Q_WS_QWS)
|
|
|
54 |
# include "private/qfontengine_ft_p.h"
|
|
|
55 |
#endif
|
|
|
56 |
#include <ft2build.h>
|
|
|
57 |
#include FT_FREETYPE_H
|
|
|
58 |
#endif
|
|
|
59 |
|
|
|
60 |
#ifndef QT_NO_PRINTER
|
|
|
61 |
|
|
|
62 |
QT_BEGIN_NAMESPACE
|
|
|
63 |
|
|
|
64 |
static const char * const agl =
|
|
|
65 |
".notdef\0space\0exclam\0quotedbl\0numbersign\0dollar\0percent\0ampersand\0"
|
|
|
66 |
"quotesingle\0parenleft\0parenright\0asterisk\0plus\0comma\0hyphen\0period\0"
|
|
|
67 |
"slash\0zero\0one\0two\0three\0four\0five\0six\0seven\0eight\0nine\0colon\0"
|
|
|
68 |
"semicolon\0less\0equal\0greater\0question\0at\0A\0B\0C\0D\0E\0F\0G\0H\0I\0J\0"
|
|
|
69 |
"K\0L\0M\0N\0O\0P\0Q\0R\0S\0T\0U\0V\0W\0X\0Y\0Z\0bracketleft\0backslash\0"
|
|
|
70 |
"bracketright\0asciicircum\0underscore\0grave\0a\0b\0c\0d\0e\0f\0g\0h\0i\0j\0"
|
|
|
71 |
"k\0l\0m\0n\0o\0p\0q\0r\0s\0t\0u\0v\0w\0x\0y\0z\0braceleft\0bar\0braceright\0"
|
|
|
72 |
"asciitilde\0space\0exclamdown\0cent\0sterling\0currency\0yen\0brokenbar\0"
|
|
|
73 |
"section\0dieresis\0copyright\0ordfeminine\0guillemotleft\0logicalnot\0"
|
|
|
74 |
"hyphen\0registered\0macron\0degree\0plusminus\0twosuperior\0threesuperior\0"
|
|
|
75 |
"acute\0mu\0paragraph\0periodcentered\0cedilla\0onesuperior\0ordmasculine\0"
|
|
|
76 |
"guillemotright\0onequarter\0onehalf\0threequarters\0questiondown\0Agrave\0"
|
|
|
77 |
"Aacute\0Acircumflex\0Atilde\0Adieresis\0Aring\0AE\0Ccedilla\0Egrave\0Eacute\0"
|
|
|
78 |
"Ecircumflex\0Edieresis\0Igrave\0Iacute\0Icircumflex\0Idieresis\0Eth\0Ntilde\0"
|
|
|
79 |
"Ograve\0Oacute\0Ocircumflex\0Otilde\0Odieresis\0multiply\0Oslash\0Ugrave\0"
|
|
|
80 |
"Uacute\0Ucircumflex\0Udieresis\0Yacute\0Thorn\0germandbls\0agrave\0aacute\0"
|
|
|
81 |
"acircumflex\0atilde\0adieresis\0aring\0ae\0ccedilla\0egrave\0eacute\0"
|
|
|
82 |
"ecircumflex\0edieresis\0igrave\0iacute\0icircumflex\0idieresis\0eth\0ntilde\0"
|
|
|
83 |
"ograve\0oacute\0ocircumflex\0otilde\0odieresis\0divide\0oslash\0ugrave\0"
|
|
|
84 |
"uacute\0ucircumflex\0udieresis\0yacute\0thorn\0ydieresis\0Amacron\0amacron\0"
|
|
|
85 |
"Abreve\0abreve\0Aogonek\0aogonek\0Cacute\0cacute\0Ccircumflex\0ccircumflex\0"
|
|
|
86 |
"Cdotaccent\0cdotaccent\0Ccaron\0ccaron\0Dcaron\0dcaron\0Dcroat\0dcroat\0"
|
|
|
87 |
"Emacron\0emacron\0Ebreve\0ebreve\0Edotaccent\0edotaccent\0Eogonek\0eogonek\0"
|
|
|
88 |
"Ecaron\0ecaron\0Gcircumflex\0gcircumflex\0Gbreve\0gbreve\0Gdotaccent\0"
|
|
|
89 |
"gdotaccent\0Gcommaaccent\0gcommaaccent\0Hcircumflex\0hcircumflex\0Hbar\0"
|
|
|
90 |
"hbar\0Itilde\0itilde\0Imacron\0imacron\0Ibreve\0ibreve\0Iogonek\0iogonek\0"
|
|
|
91 |
"Idotaccent\0dotlessi\0IJ\0ij\0Jcircumflex\0jcircumflex\0Kcommaaccent\0"
|
|
|
92 |
"kcommaaccent\0kgreenlandic\0Lacute\0lacute\0Lcommaaccent\0lcommaaccent\0"
|
|
|
93 |
"Lcaron\0lcaron\0Ldot\0ldot\0Lslash\0lslash\0Nacute\0nacute\0Ncommaaccent\0"
|
|
|
94 |
"ncommaaccent\0Ncaron\0ncaron\0napostrophe\0Eng\0eng\0Omacron\0omacron\0"
|
|
|
95 |
"Obreve\0obreve\0Ohungarumlaut\0ohungarumlaut\0OE\0oe\0Racute\0racute\0"
|
|
|
96 |
"Rcommaaccent\0rcommaaccent\0Rcaron\0rcaron\0Sacute\0sacute\0Scircumflex\0"
|
|
|
97 |
"scircumflex\0Scedilla\0scedilla\0Scaron\0scaron\0Tcaron\0tcaron\0Tbar\0tbar\0"
|
|
|
98 |
"Utilde\0utilde\0Umacron\0umacron\0Ubreve\0ubreve\0Uring\0uring\0"
|
|
|
99 |
"Uhungarumlaut\0uhungarumlaut\0Uogonek\0uogonek\0Wcircumflex\0wcircumflex\0"
|
|
|
100 |
"Ycircumflex\0ycircumflex\0Ydieresis\0Zacute\0zacute\0Zdotaccent\0zdotaccent\0"
|
|
|
101 |
"Zcaron\0zcaron\0longs\0florin\0Ohorn\0ohorn\0Uhorn\0uhorn\0Gcaron\0gcaron\0"
|
|
|
102 |
"Aringacute\0aringacute\0AEacute\0aeacute\0Oslashacute\0oslashacute\0"
|
|
|
103 |
"Scommaaccent\0scommaaccent\0Tcommaaccent\0tcommaaccent\0afii57929\0"
|
|
|
104 |
"afii64937\0circumflex\0caron\0breve\0dotaccent\0ring\0ogonek\0tilde\0"
|
|
|
105 |
"hungarumlaut\0gravecomb\0acutecomb\0tildecomb\0hookabovecomb\0dotbelowcomb\0"
|
|
|
106 |
"tonos\0dieresistonos\0Alphatonos\0anoteleia\0Epsilontonos\0Etatonos\0"
|
|
|
107 |
"Iotatonos\0Omicrontonos\0Upsilontonos\0Omegatonos\0iotadieresistonos\0Alpha\0"
|
|
|
108 |
"Beta\0Gamma\0Delta\0Epsilon\0Zeta\0Eta\0Theta\0Iota\0Kappa\0Lambda\0Mu\0Nu\0"
|
|
|
109 |
"Xi\0Omicron\0Pi\0Rho\0Sigma\0Tau\0Upsilon\0Phi\0Chi\0Psi\0Omega\0"
|
|
|
110 |
"Iotadieresis\0Upsilondieresis\0alphatonos\0epsilontonos\0etatonos\0"
|
|
|
111 |
"iotatonos\0upsilondieresistonos\0alpha\0beta\0gamma\0delta\0epsilon\0zeta\0"
|
|
|
112 |
"eta\0theta\0iota\0kappa\0lambda\0mu\0nu\0xi\0omicron\0pi\0rho\0sigma1\0"
|
|
|
113 |
"sigma\0tau\0upsilon\0phi\0chi\0psi\0omega\0iotadieresis\0upsilondieresis\0"
|
|
|
114 |
;
|
|
|
115 |
|
|
|
116 |
static const struct { quint16 u; quint16 index; } unicode_to_aglindex[] = {
|
|
|
117 |
{0x0000, 0}, {0x0020, 8}, {0x0021, 14}, {0x0022, 21},
|
|
|
118 |
{0x0023, 30}, {0x0024, 41}, {0x0025, 48}, {0x0026, 56},
|
|
|
119 |
{0x0027, 66}, {0x0028, 78}, {0x0029, 88}, {0x002A, 99},
|
|
|
120 |
{0x002B, 108}, {0x002C, 113}, {0x002D, 119}, {0x002E, 126},
|
|
|
121 |
{0x002F, 133}, {0x0030, 139}, {0x0031, 144}, {0x0032, 148},
|
|
|
122 |
{0x0033, 152}, {0x0034, 158}, {0x0035, 163}, {0x0036, 168},
|
|
|
123 |
{0x0037, 172}, {0x0038, 178}, {0x0039, 184}, {0x003A, 189},
|
|
|
124 |
{0x003B, 195}, {0x003C, 205}, {0x003D, 210}, {0x003E, 216},
|
|
|
125 |
{0x003F, 224}, {0x0040, 233}, {0x0041, 236}, {0x0042, 238},
|
|
|
126 |
{0x0043, 240}, {0x0044, 242}, {0x0045, 244}, {0x0046, 246},
|
|
|
127 |
{0x0047, 248}, {0x0048, 250}, {0x0049, 252}, {0x004A, 254},
|
|
|
128 |
{0x004B, 256}, {0x004C, 258}, {0x004D, 260}, {0x004E, 262},
|
|
|
129 |
{0x004F, 264}, {0x0050, 266}, {0x0051, 268}, {0x0052, 270},
|
|
|
130 |
{0x0053, 272}, {0x0054, 274}, {0x0055, 276}, {0x0056, 278},
|
|
|
131 |
{0x0057, 280}, {0x0058, 282}, {0x0059, 284}, {0x005A, 286},
|
|
|
132 |
{0x005B, 288}, {0x005C, 300}, {0x005D, 310}, {0x005E, 323},
|
|
|
133 |
{0x005F, 335}, {0x0060, 346}, {0x0061, 352}, {0x0062, 354},
|
|
|
134 |
{0x0063, 356}, {0x0064, 358}, {0x0065, 360}, {0x0066, 362},
|
|
|
135 |
{0x0067, 364}, {0x0068, 366}, {0x0069, 368}, {0x006A, 370},
|
|
|
136 |
{0x006B, 372}, {0x006C, 374}, {0x006D, 376}, {0x006E, 378},
|
|
|
137 |
{0x006F, 380}, {0x0070, 382}, {0x0071, 384}, {0x0072, 386},
|
|
|
138 |
{0x0073, 388}, {0x0074, 390}, {0x0075, 392}, {0x0076, 394},
|
|
|
139 |
{0x0077, 396}, {0x0078, 398}, {0x0079, 400}, {0x007A, 402},
|
|
|
140 |
{0x007B, 404}, {0x007C, 414}, {0x007D, 418}, {0x007E, 429},
|
|
|
141 |
{0x00A0, 440}, {0x00A1, 446}, {0x00A2, 457}, {0x00A3, 462},
|
|
|
142 |
{0x00A4, 471}, {0x00A5, 480}, {0x00A6, 484}, {0x00A7, 494},
|
|
|
143 |
{0x00A8, 502}, {0x00A9, 511}, {0x00AA, 521}, {0x00AB, 533},
|
|
|
144 |
{0x00AC, 547}, {0x00AD, 558}, {0x00AE, 565}, {0x00AF, 576},
|
|
|
145 |
{0x00B0, 583}, {0x00B1, 590}, {0x00B2, 600}, {0x00B3, 612},
|
|
|
146 |
{0x00B4, 626}, {0x00B5, 632}, {0x00B6, 635}, {0x00B7, 645},
|
|
|
147 |
{0x00B8, 660}, {0x00B9, 668}, {0x00BA, 680}, {0x00BB, 693},
|
|
|
148 |
{0x00BC, 708}, {0x00BD, 719}, {0x00BE, 727}, {0x00BF, 741},
|
|
|
149 |
{0x00C0, 754}, {0x00C1, 761}, {0x00C2, 768}, {0x00C3, 780},
|
|
|
150 |
{0x00C4, 787}, {0x00C5, 797}, {0x00C6, 803}, {0x00C7, 806},
|
|
|
151 |
{0x00C8, 815}, {0x00C9, 822}, {0x00CA, 829}, {0x00CB, 841},
|
|
|
152 |
{0x00CC, 851}, {0x00CD, 858}, {0x00CE, 865}, {0x00CF, 877},
|
|
|
153 |
{0x00D0, 887}, {0x00D1, 891}, {0x00D2, 898}, {0x00D3, 905},
|
|
|
154 |
{0x00D4, 912}, {0x00D5, 924}, {0x00D6, 931}, {0x00D7, 941},
|
|
|
155 |
{0x00D8, 950}, {0x00D9, 957}, {0x00DA, 964}, {0x00DB, 971},
|
|
|
156 |
{0x00DC, 983}, {0x00DD, 993}, {0x00DE, 1000}, {0x00DF, 1006},
|
|
|
157 |
{0x00E0, 1017}, {0x00E1, 1024}, {0x00E2, 1031}, {0x00E3, 1043},
|
|
|
158 |
{0x00E4, 1050}, {0x00E5, 1060}, {0x00E6, 1066}, {0x00E7, 1069},
|
|
|
159 |
{0x00E8, 1078}, {0x00E9, 1085}, {0x00EA, 1092}, {0x00EB, 1104},
|
|
|
160 |
{0x00EC, 1114}, {0x00ED, 1121}, {0x00EE, 1128}, {0x00EF, 1140},
|
|
|
161 |
{0x00F0, 1150}, {0x00F1, 1154}, {0x00F2, 1161}, {0x00F3, 1168},
|
|
|
162 |
{0x00F4, 1175}, {0x00F5, 1187}, {0x00F6, 1194}, {0x00F7, 1204},
|
|
|
163 |
{0x00F8, 1211}, {0x00F9, 1218}, {0x00FA, 1225}, {0x00FB, 1232},
|
|
|
164 |
{0x00FC, 1244}, {0x00FD, 1254}, {0x00FE, 1261}, {0x00FF, 1267},
|
|
|
165 |
{0x0100, 1277}, {0x0101, 1285}, {0x0102, 1293}, {0x0103, 1300},
|
|
|
166 |
{0x0104, 1307}, {0x0105, 1315}, {0x0106, 1323}, {0x0107, 1330},
|
|
|
167 |
{0x0108, 1337}, {0x0109, 1349}, {0x010A, 1361}, {0x010B, 1372},
|
|
|
168 |
{0x010C, 1383}, {0x010D, 1390}, {0x010E, 1397}, {0x010F, 1404},
|
|
|
169 |
{0x0110, 1411}, {0x0111, 1418}, {0x0112, 1425}, {0x0113, 1433},
|
|
|
170 |
{0x0114, 1441}, {0x0115, 1448}, {0x0116, 1455}, {0x0117, 1466},
|
|
|
171 |
{0x0118, 1477}, {0x0119, 1485}, {0x011A, 1493}, {0x011B, 1500},
|
|
|
172 |
{0x011C, 1507}, {0x011D, 1519}, {0x011E, 1531}, {0x011F, 1538},
|
|
|
173 |
{0x0120, 1545}, {0x0121, 1556}, {0x0122, 1567}, {0x0123, 1580},
|
|
|
174 |
{0x0124, 1593}, {0x0125, 1605}, {0x0126, 1617}, {0x0127, 1622},
|
|
|
175 |
{0x0128, 1627}, {0x0129, 1634}, {0x012A, 1641}, {0x012B, 1649},
|
|
|
176 |
{0x012C, 1657}, {0x012D, 1664}, {0x012E, 1671}, {0x012F, 1679},
|
|
|
177 |
{0x0130, 1687}, {0x0131, 1698}, {0x0132, 1707}, {0x0133, 1710},
|
|
|
178 |
{0x0134, 1713}, {0x0135, 1725}, {0x0136, 1737}, {0x0137, 1750},
|
|
|
179 |
{0x0138, 1763}, {0x0139, 1776}, {0x013A, 1783}, {0x013B, 1790},
|
|
|
180 |
{0x013C, 1803}, {0x013D, 1816}, {0x013E, 1823}, {0x013F, 1830},
|
|
|
181 |
{0x0140, 1835}, {0x0141, 1840}, {0x0142, 1847}, {0x0143, 1854},
|
|
|
182 |
{0x0144, 1861}, {0x0145, 1868}, {0x0146, 1881}, {0x0147, 1894},
|
|
|
183 |
{0x0148, 1901}, {0x0149, 1908}, {0x014A, 1920}, {0x014B, 1924},
|
|
|
184 |
{0x014C, 1928}, {0x014D, 1936}, {0x014E, 1944}, {0x014F, 1951},
|
|
|
185 |
{0x0150, 1958}, {0x0151, 1972}, {0x0152, 1986}, {0x0153, 1989},
|
|
|
186 |
{0x0154, 1992}, {0x0155, 1999}, {0x0156, 2006}, {0x0157, 2019},
|
|
|
187 |
{0x0158, 2032}, {0x0159, 2039}, {0x015A, 2046}, {0x015B, 2053},
|
|
|
188 |
{0x015C, 2060}, {0x015D, 2072}, {0x015E, 2084}, {0x015F, 2093},
|
|
|
189 |
{0x0160, 2102}, {0x0161, 2109}, {0x0164, 2116}, {0x0165, 2123},
|
|
|
190 |
{0x0166, 2130}, {0x0167, 2135}, {0x0168, 2140}, {0x0169, 2147},
|
|
|
191 |
{0x016A, 2154}, {0x016B, 2162}, {0x016C, 2170}, {0x016D, 2177},
|
|
|
192 |
{0x016E, 2184}, {0x016F, 2190}, {0x0170, 2196}, {0x0171, 2210},
|
|
|
193 |
{0x0172, 2224}, {0x0173, 2232}, {0x0174, 2240}, {0x0175, 2252},
|
|
|
194 |
{0x0176, 2264}, {0x0177, 2276}, {0x0178, 2288}, {0x0179, 2298},
|
|
|
195 |
{0x017A, 2305}, {0x017B, 2312}, {0x017C, 2323}, {0x017D, 2334},
|
|
|
196 |
{0x017E, 2341}, {0x017F, 2348}, {0x0192, 2354}, {0x01A0, 2361},
|
|
|
197 |
{0x01A1, 2367}, {0x01AF, 2373}, {0x01B0, 2379}, {0x01E6, 2385},
|
|
|
198 |
{0x01E7, 2392}, {0x01FA, 2399}, {0x01FB, 2410}, {0x01FC, 2421},
|
|
|
199 |
{0x01FD, 2429}, {0x01FE, 2437}, {0x01FF, 2449}, {0x0218, 2461},
|
|
|
200 |
{0x0219, 2474}, {0x021A, 2487}, {0x021B, 2500}, {0x02BC, 2513},
|
|
|
201 |
{0x02BD, 2523}, {0x02C6, 2533}, {0x02C7, 2544}, {0x02D8, 2550},
|
|
|
202 |
{0x02D9, 2556}, {0x02DA, 2566}, {0x02DB, 2571}, {0x02DC, 2578},
|
|
|
203 |
{0x02DD, 2584}, {0x0300, 2597}, {0x0301, 2607}, {0x0303, 2617},
|
|
|
204 |
{0x0309, 2627}, {0x0323, 2641}, {0x0384, 2654}, {0x0385, 2660},
|
|
|
205 |
{0x0386, 2674}, {0x0387, 2685}, {0x0388, 2695}, {0x0389, 2708},
|
|
|
206 |
{0x038A, 2717}, {0x038C, 2727}, {0x038E, 2740}, {0x038F, 2753},
|
|
|
207 |
{0x0390, 2764}, {0x0391, 2782}, {0x0392, 2788}, {0x0393, 2793},
|
|
|
208 |
{0x0394, 2799}, {0x0395, 2805}, {0x0396, 2813}, {0x0397, 2818},
|
|
|
209 |
{0x0398, 2822}, {0x0399, 2828}, {0x039A, 2833}, {0x039B, 2839},
|
|
|
210 |
{0x039C, 2846}, {0x039D, 2849}, {0x039E, 2852}, {0x039F, 2855},
|
|
|
211 |
{0x03A0, 2863}, {0x03A1, 2866}, {0x03A3, 2870}, {0x03A4, 2876},
|
|
|
212 |
{0x03A5, 2880}, {0x03A6, 2888}, {0x03A7, 2892}, {0x03A8, 2896},
|
|
|
213 |
{0x03A9, 2900}, {0x03AA, 2906}, {0x03AB, 2919}, {0x03AC, 2935},
|
|
|
214 |
{0x03AD, 2946}, {0x03AE, 2959}, {0x03AF, 2968}, {0x03B0, 2978},
|
|
|
215 |
{0x03B1, 2999}, {0x03B2, 3005}, {0x03B3, 3010}, {0x03B4, 3016},
|
|
|
216 |
{0x03B5, 3022}, {0x03B6, 3030}, {0x03B7, 3035}, {0x03B8, 3039},
|
|
|
217 |
{0x03B9, 3045}, {0x03BA, 3050}, {0x03BB, 3056}, {0x03BC, 3063},
|
|
|
218 |
{0x03BD, 3066}, {0x03BE, 3069}, {0x03BF, 3072}, {0x03C0, 3080},
|
|
|
219 |
{0x03C1, 3083}, {0x03C2, 3087}, {0x03C3, 3094}, {0x03C4, 3100},
|
|
|
220 |
{0x03C5, 3104}, {0x03C6, 3112}, {0x03C7, 3116}, {0x03C8, 3120},
|
|
|
221 |
{0x03C9, 3124}, {0x03CA, 3130}, {0x03CB, 3143}, {0x03CC, 3159},
|
|
|
222 |
{0x03CD, 3172}, {0x03CE, 3185}, {0x03D1, 3196}, {0x03D2, 3203},
|
|
|
223 |
{0x03D5, 3212}, {0x03D6, 3217}, {0xFFFF, 3224}
|
|
|
224 |
};
|
|
|
225 |
|
|
|
226 |
// This map is used for symbol fonts to get the correct glyph names for the latin range
|
|
|
227 |
static const unsigned short symbol_map[0x100] = {
|
|
|
228 |
0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007,
|
|
|
229 |
0x0008, 0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f,
|
|
|
230 |
0x0010, 0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017,
|
|
|
231 |
0x0018, 0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f,
|
|
|
232 |
0x0020, 0x0021, 0x2200, 0x0023, 0x2203, 0x0025, 0x0026, 0x220b,
|
|
|
233 |
0x0028, 0x0029, 0x2217, 0x002b, 0x002c, 0x2212, 0x002e, 0x002f,
|
|
|
234 |
0x0030, 0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037,
|
|
|
235 |
0x0038, 0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f,
|
|
|
236 |
|
|
|
237 |
0x2245, 0x0391, 0x0392, 0x03a7, 0x0394, 0x0395, 0x03a6, 0x0393,
|
|
|
238 |
0x0397, 0x0399, 0x03d1, 0x039a, 0x039b, 0x039c, 0x039d, 0x039f,
|
|
|
239 |
0x03a0, 0x0398, 0x03a1, 0x03a3, 0x03a4, 0x03a5, 0x03c2, 0x03a9,
|
|
|
240 |
0x039e, 0x03a8, 0x0396, 0x005b, 0x2234, 0x005d, 0x22a5, 0x005f,
|
|
|
241 |
0xf8e5, 0x03b1, 0x03b2, 0x03c7, 0x03b4, 0x03b5, 0x03c6, 0x03b3,
|
|
|
242 |
0x03b7, 0x03b9, 0x03d5, 0x03ba, 0x03bb, 0x03bc, 0x03bd, 0x03bf,
|
|
|
243 |
0x03c0, 0x03b8, 0x03c1, 0x03c3, 0x03c4, 0x03c5, 0x03d6, 0x03c9,
|
|
|
244 |
0x03be, 0x03c8, 0x03b6, 0x007b, 0x007c, 0x007d, 0x223c, 0x007f,
|
|
|
245 |
|
|
|
246 |
0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087,
|
|
|
247 |
0x0088, 0x0089, 0x008a, 0x008b, 0x008c, 0x008d, 0x008e, 0x008f,
|
|
|
248 |
0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097,
|
|
|
249 |
0x0098, 0x0099, 0x009a, 0x009b, 0x009c, 0x009d, 0x009e, 0x009f,
|
|
|
250 |
0x20ac, 0x03d2, 0x2023, 0x2264, 0x2044, 0x221e, 0x0192, 0x2263,
|
|
|
251 |
0x2666, 0x2665, 0x2660, 0x2194, 0x2190, 0x2191, 0x2192, 0x2193,
|
|
|
252 |
0x00b0, 0x00b1, 0x2033, 0x2265, 0x00d7, 0x221d, 0x2202, 0x2022,
|
|
|
253 |
0x00f7, 0x2260, 0x2261, 0x2248, 0x2026, 0xf8e6, 0xf8e7, 0x21b5,
|
|
|
254 |
|
|
|
255 |
0x2135, 0x2111, 0x211c, 0x2118, 0x2297, 0x2295, 0x2205, 0x2229,
|
|
|
256 |
0x222a, 0x2283, 0x2287, 0x2284, 0x2282, 0x2286, 0x2208, 0x2209,
|
|
|
257 |
0x2220, 0x2207, 0xf6da, 0xf6d9, 0xf6db, 0x220f, 0x221a, 0x22c5,
|
|
|
258 |
0x00ac, 0x2227, 0x2228, 0x21d4, 0x21d0, 0x21d1, 0x21d2, 0x21d3,
|
|
|
259 |
0x25ca, 0x2329, 0xf8e8, 0xf8e9, 0xf8ea, 0x2211, 0xf8eb, 0xf8ec,
|
|
|
260 |
0xf8ed, 0xf8ee, 0xf8ef, 0xf8f0, 0xf8f1, 0xf8f2, 0xf8f3, 0xf8f4,
|
|
|
261 |
0x0000, 0x232a, 0x222b, 0x2320, 0xf8f5, 0x2321, 0xf8f6, 0xf8f7,
|
|
|
262 |
0xf8f8, 0xf8f9, 0xf8fa, 0xf8fb, 0xf8fc, 0xf8fd, 0xf8fe, 0x0000,
|
|
|
263 |
};
|
|
|
264 |
|
|
|
265 |
// ---------------------------- PS/PDF helper methods -----------------------------------
|
|
|
266 |
|
|
|
267 |
QByteArray QFontSubset::glyphName(unsigned short unicode, bool symbol)
|
|
|
268 |
{
|
|
|
269 |
if (symbol && unicode < 0x100)
|
|
|
270 |
// map from latin1 to symbol
|
|
|
271 |
unicode = symbol_map[unicode];
|
|
|
272 |
|
|
|
273 |
int l = 0;
|
|
|
274 |
while(unicode_to_aglindex[l].u < unicode)
|
|
|
275 |
l++;
|
|
|
276 |
if (unicode_to_aglindex[l].u == unicode)
|
|
|
277 |
return agl + unicode_to_aglindex[l].index;
|
|
|
278 |
|
|
|
279 |
char buffer[8];
|
|
|
280 |
buffer[0] = 'u';
|
|
|
281 |
buffer[1] = 'n';
|
|
|
282 |
buffer[2] = 'i';
|
|
|
283 |
QPdf::toHex(unicode, buffer+3);
|
|
|
284 |
return buffer;
|
|
|
285 |
}
|
|
|
286 |
|
|
|
287 |
#ifndef QT_NO_FREETYPE
|
|
|
288 |
static FT_Face ft_face(const QFontEngine *engine)
|
|
|
289 |
{
|
|
|
290 |
#ifdef Q_WS_X11
|
|
|
291 |
#ifndef QT_NO_FONTCONFIG
|
|
|
292 |
if (engine->type() == QFontEngine::Freetype) {
|
|
|
293 |
const QFontEngineFT *ft = static_cast<const QFontEngineFT *>(engine);
|
|
|
294 |
return ft->non_locked_face();
|
|
|
295 |
} else
|
|
|
296 |
#endif
|
|
|
297 |
if (engine->type() == QFontEngine::XLFD) {
|
|
|
298 |
const QFontEngineXLFD *xlfd = static_cast<const QFontEngineXLFD *>(engine);
|
|
|
299 |
return xlfd->non_locked_face();
|
|
|
300 |
}
|
|
|
301 |
#endif
|
|
|
302 |
#ifdef Q_WS_QWS
|
|
|
303 |
if (engine->type() == QFontEngine::Freetype) {
|
|
|
304 |
const QFontEngineFT *ft = static_cast<const QFontEngineFT *>(engine);
|
|
|
305 |
return ft->non_locked_face();
|
|
|
306 |
}
|
|
|
307 |
#endif
|
|
|
308 |
return 0;
|
|
|
309 |
}
|
|
|
310 |
#endif
|
|
|
311 |
|
|
|
312 |
QByteArray QFontSubset::glyphName(unsigned int glyph, const QVector<int> reverseMap) const
|
|
|
313 |
{
|
|
|
314 |
uint glyphIndex = glyph_indices[glyph];
|
|
|
315 |
|
|
|
316 |
if (glyphIndex == 0)
|
|
|
317 |
return "/.notdef";
|
|
|
318 |
|
|
|
319 |
QByteArray ba;
|
|
|
320 |
QPdf::ByteStream s(&ba);
|
|
|
321 |
#ifndef QT_NO_FREETYPE
|
|
|
322 |
FT_Face face = ft_face(fontEngine);
|
|
|
323 |
|
|
|
324 |
char name[32];
|
|
|
325 |
name[0] = 0;
|
|
|
326 |
if (face && FT_HAS_GLYPH_NAMES(face)) {
|
|
|
327 |
#if defined(Q_WS_X11)
|
|
|
328 |
if (fontEngine->type() == QFontEngine::XLFD)
|
|
|
329 |
glyphIndex = static_cast<QFontEngineXLFD *>(fontEngine)->glyphIndexToFreetypeGlyphIndex(glyphIndex);
|
|
|
330 |
#endif
|
|
|
331 |
FT_Get_Glyph_Name(face, glyphIndex, &name, 32);
|
|
|
332 |
if (name[0] == '.') // fix broken PS fonts returning .notdef for many glyphs
|
|
|
333 |
name[0] = 0;
|
|
|
334 |
}
|
|
|
335 |
if (name[0]) {
|
|
|
336 |
s << '/' << name;
|
|
|
337 |
} else
|
|
|
338 |
#endif
|
|
|
339 |
#if defined(Q_WS_X11)
|
|
|
340 |
if (fontEngine->type() == QFontEngine::XLFD) {
|
|
|
341 |
uint uc = static_cast<QFontEngineXLFD *>(fontEngine)->toUnicode(glyphIndex);
|
|
|
342 |
s << '/' << glyphName(uc, false /* ### */);
|
|
|
343 |
} else
|
|
|
344 |
#endif
|
|
|
345 |
if (reverseMap[glyphIndex] && reverseMap[glyphIndex] < 0x10000) {
|
|
|
346 |
s << '/' << glyphName(reverseMap[glyphIndex], false);
|
|
|
347 |
} else {
|
|
|
348 |
s << "/gl" << (int)glyphIndex;
|
|
|
349 |
}
|
|
|
350 |
return ba;
|
|
|
351 |
}
|
|
|
352 |
|
|
|
353 |
|
|
|
354 |
QByteArray QFontSubset::widthArray() const
|
|
|
355 |
{
|
|
|
356 |
Q_ASSERT(!widths.isEmpty());
|
|
|
357 |
|
|
|
358 |
QFontEngine::Properties properties = fontEngine->properties();
|
|
|
359 |
|
|
|
360 |
QByteArray width;
|
|
|
361 |
QPdf::ByteStream s(&width);
|
|
|
362 |
QFixed scale = QFixed(1000)/emSquare;
|
|
|
363 |
|
|
|
364 |
QFixed defWidth = widths[0];
|
|
|
365 |
//qDebug("defWidth=%d, scale=%f", defWidth.toInt(), scale.toReal());
|
|
|
366 |
for (int i = 0; i < nGlyphs(); ++i) {
|
|
|
367 |
if (defWidth != widths[i])
|
|
|
368 |
defWidth = 0;
|
|
|
369 |
}
|
|
|
370 |
if (defWidth > 0) {
|
|
|
371 |
s << "/DW " << (defWidth*scale).toInt();
|
|
|
372 |
} else {
|
|
|
373 |
s << "/W [";
|
|
|
374 |
for (int g = 0; g < nGlyphs();) {
|
|
|
375 |
QFixed w = widths[g];
|
|
|
376 |
int start = g;
|
|
|
377 |
int startLinear = 0;
|
|
|
378 |
++g;
|
|
|
379 |
while (g < nGlyphs()) {
|
|
|
380 |
QFixed nw = widths[g];
|
|
|
381 |
if (nw == w) {
|
|
|
382 |
if (!startLinear)
|
|
|
383 |
startLinear = g - 1;
|
|
|
384 |
} else {
|
|
|
385 |
if (startLinear > 0 && g - startLinear >= 10)
|
|
|
386 |
break;
|
|
|
387 |
startLinear = 0;
|
|
|
388 |
}
|
|
|
389 |
w = nw;
|
|
|
390 |
++g;
|
|
|
391 |
}
|
|
|
392 |
// qDebug("start=%x startLinear=%x g-1=%x",start,startLinear,g-1);
|
|
|
393 |
if (g - startLinear < 10)
|
|
|
394 |
startLinear = 0;
|
|
|
395 |
int endnonlinear = startLinear ? startLinear : g;
|
|
|
396 |
// qDebug(" startLinear=%x endnonlinear=%x", startLinear,endnonlinear);
|
|
|
397 |
if (endnonlinear > start) {
|
|
|
398 |
s << start << '[';
|
|
|
399 |
for (int i = start; i < endnonlinear; ++i)
|
|
|
400 |
s << (widths[i]*scale).toInt();
|
|
|
401 |
s << "]\n";
|
|
|
402 |
}
|
|
|
403 |
if (startLinear)
|
|
|
404 |
s << startLinear << g - 1 << (widths[startLinear]*scale).toInt() << '\n';
|
|
|
405 |
}
|
|
|
406 |
s << "]\n";
|
|
|
407 |
}
|
|
|
408 |
return width;
|
|
|
409 |
}
|
|
|
410 |
|
|
|
411 |
static void checkRanges(QPdf::ByteStream &ts, QByteArray &ranges, int &nranges)
|
|
|
412 |
{
|
|
|
413 |
if (++nranges > 100) {
|
|
|
414 |
ts << nranges << "beginbfrange\n"
|
|
|
415 |
<< ranges << "endbfrange\n";
|
|
|
416 |
ranges = QByteArray();
|
|
|
417 |
nranges = 0;
|
|
|
418 |
}
|
|
|
419 |
}
|
|
|
420 |
|
|
|
421 |
QVector<int> QFontSubset::getReverseMap() const
|
|
|
422 |
{
|
|
|
423 |
QVector<int> reverseMap;
|
|
|
424 |
reverseMap.resize(0x10000);
|
|
|
425 |
for (uint i = 0; i < 0x10000; ++i)
|
|
|
426 |
reverseMap[i] = 0;
|
|
|
427 |
QGlyphLayoutArray<10> glyphs;
|
|
|
428 |
for (uint uc = 0; uc < 0x10000; ++uc) {
|
|
|
429 |
QChar ch(uc);
|
|
|
430 |
int nglyphs = 10;
|
|
|
431 |
fontEngine->stringToCMap(&ch, 1, &glyphs, &nglyphs, QTextEngine::GlyphIndicesOnly);
|
|
|
432 |
int idx = glyph_indices.indexOf(glyphs.glyphs[0]);
|
|
|
433 |
if (idx >= 0 && !reverseMap.at(idx))
|
|
|
434 |
reverseMap[idx] = uc;
|
|
|
435 |
}
|
|
|
436 |
return reverseMap;
|
|
|
437 |
}
|
|
|
438 |
|
|
|
439 |
QByteArray QFontSubset::createToUnicodeMap() const
|
|
|
440 |
{
|
|
|
441 |
QVector<int> reverseMap = getReverseMap();
|
|
|
442 |
|
|
|
443 |
QByteArray touc;
|
|
|
444 |
QPdf::ByteStream ts(&touc);
|
|
|
445 |
ts << "/CIDInit /ProcSet findresource begin\n"
|
|
|
446 |
"12 dict begin\n"
|
|
|
447 |
"begincmap\n"
|
|
|
448 |
"/CIDSystemInfo << /Registry (Adobe) /Ordering (UCS) /Supplement 0 >> def\n"
|
|
|
449 |
"/CMapName /Adobe-Identity-UCS def\n"
|
|
|
450 |
"/CMapType 2 def\n"
|
|
|
451 |
"1 begincodespacerange\n"
|
|
|
452 |
"<0000> <FFFF>\n"
|
|
|
453 |
"endcodespacerange\n";
|
|
|
454 |
|
|
|
455 |
int nranges = 1;
|
|
|
456 |
QByteArray ranges = "<0000> <0000> <0000>\n";
|
|
|
457 |
QPdf::ByteStream s(&ranges);
|
|
|
458 |
|
|
|
459 |
char buf[5];
|
|
|
460 |
for (int g = 1; g < nGlyphs(); ) {
|
|
|
461 |
int uc0 = reverseMap.at(g);
|
|
|
462 |
if (!uc0) {
|
|
|
463 |
++g;
|
|
|
464 |
continue;
|
|
|
465 |
}
|
|
|
466 |
int start = g;
|
|
|
467 |
int startLinear = 0;
|
|
|
468 |
++g;
|
|
|
469 |
while (g < nGlyphs()) {
|
|
|
470 |
int uc = reverseMap[g];
|
|
|
471 |
// cmaps can't have the high byte changing within one range, so we need to break on that as well
|
|
|
472 |
if (!uc || (g>>8) != (start >> 8))
|
|
|
473 |
break;
|
|
|
474 |
if (uc == uc0 + 1) {
|
|
|
475 |
if (!startLinear)
|
|
|
476 |
startLinear = g - 1;
|
|
|
477 |
} else {
|
|
|
478 |
if (startLinear > 0 && g - startLinear >= 10)
|
|
|
479 |
break;
|
|
|
480 |
startLinear = 0;
|
|
|
481 |
}
|
|
|
482 |
uc0 = uc;
|
|
|
483 |
++g;
|
|
|
484 |
}
|
|
|
485 |
// qDebug("start=%x startLinear=%x g-1=%x",start,startLinear,g-1);
|
|
|
486 |
if (g - startLinear < 10)
|
|
|
487 |
startLinear = 0;
|
|
|
488 |
int endnonlinear = startLinear ? startLinear : g;
|
|
|
489 |
// qDebug(" startLinear=%x endnonlinear=%x", startLinear,endnonlinear);
|
|
|
490 |
if (endnonlinear > start) {
|
|
|
491 |
s << '<' << QPdf::toHex((ushort)start, buf) << "> <";
|
|
|
492 |
s << QPdf::toHex((ushort)(endnonlinear - 1), buf) << "> ";
|
|
|
493 |
if (endnonlinear == start + 1) {
|
|
|
494 |
s << '<' << QPdf::toHex((ushort)reverseMap[start], buf) << ">\n";
|
|
|
495 |
} else {
|
|
|
496 |
s << '[';
|
|
|
497 |
for (int i = start; i < endnonlinear; ++i) {
|
|
|
498 |
s << '<' << QPdf::toHex((ushort)reverseMap[i], buf) << "> ";
|
|
|
499 |
}
|
|
|
500 |
s << "]\n";
|
|
|
501 |
}
|
|
|
502 |
checkRanges(ts, ranges, nranges);
|
|
|
503 |
}
|
|
|
504 |
if (startLinear) {
|
|
|
505 |
while (startLinear < g) {
|
|
|
506 |
int len = g - startLinear;
|
|
|
507 |
int uc_start = reverseMap[startLinear];
|
|
|
508 |
int uc_end = uc_start + len - 1;
|
|
|
509 |
if ((uc_end >> 8) != (uc_start >> 8))
|
|
|
510 |
len = 256 - (uc_start & 0xff);
|
|
|
511 |
s << '<' << QPdf::toHex((ushort)startLinear, buf) << "> <";
|
|
|
512 |
s << QPdf::toHex((ushort)(startLinear + len - 1), buf) << "> ";
|
|
|
513 |
s << '<' << QPdf::toHex((ushort)reverseMap[startLinear], buf) << ">\n";
|
|
|
514 |
checkRanges(ts, ranges, nranges);
|
|
|
515 |
startLinear += len;
|
|
|
516 |
}
|
|
|
517 |
}
|
|
|
518 |
}
|
|
|
519 |
if (nranges) {
|
|
|
520 |
ts << nranges << "beginbfrange\n"
|
|
|
521 |
<< ranges << "endbfrange\n";
|
|
|
522 |
}
|
|
|
523 |
ts << "endcmap\n"
|
|
|
524 |
"CMapName currentdict /CMap defineresource pop\n"
|
|
|
525 |
"end\n"
|
|
|
526 |
"end\n";
|
|
|
527 |
|
|
|
528 |
return touc;
|
|
|
529 |
}
|
|
|
530 |
|
|
|
531 |
int QFontSubset::addGlyph(int index)
|
|
|
532 |
{
|
|
|
533 |
int idx = glyph_indices.indexOf(index);
|
|
|
534 |
if (idx < 0) {
|
|
|
535 |
idx = glyph_indices.size();
|
|
|
536 |
glyph_indices.append(index);
|
|
|
537 |
}
|
|
|
538 |
return idx;
|
|
|
539 |
}
|
|
|
540 |
|
|
|
541 |
|
|
|
542 |
// ------------------------------ Truetype generation ----------------------------------------------
|
|
|
543 |
|
|
|
544 |
typedef qint16 F2DOT14;
|
|
|
545 |
typedef quint32 Tag;
|
|
|
546 |
typedef quint16 GlyphID;
|
|
|
547 |
typedef quint16 Offset;
|
|
|
548 |
|
|
|
549 |
|
|
|
550 |
class QTtfStream {
|
|
|
551 |
public:
|
|
|
552 |
QTtfStream(QByteArray &ba) : data((uchar *)ba.data()) { start = data; }
|
|
|
553 |
QTtfStream &operator <<(quint8 v) { *data = v; ++data; return *this; }
|
|
|
554 |
QTtfStream &operator <<(quint16 v) { qToBigEndian(v, data); data += sizeof(v); return *this; }
|
|
|
555 |
QTtfStream &operator <<(quint32 v) { qToBigEndian(v, data); data += sizeof(v); return *this; }
|
|
|
556 |
QTtfStream &operator <<(qint8 v) { *data = quint8(v); ++data; return *this; }
|
|
|
557 |
QTtfStream &operator <<(qint16 v) { qToBigEndian(v, data); data += sizeof(v); return *this; }
|
|
|
558 |
QTtfStream &operator <<(qint32 v) { qToBigEndian(v, data); data += sizeof(v); return *this; }
|
|
|
559 |
QTtfStream &operator <<(qint64 v) { qToBigEndian(v, data); data += sizeof(v); return *this; }
|
|
|
560 |
|
|
|
561 |
int offset() const { return data - start; }
|
|
|
562 |
void setOffset(int o) { data = start + o; }
|
|
|
563 |
void align4() { while (offset() & 3) { *data = '\0'; ++data; } }
|
|
|
564 |
private:
|
|
|
565 |
uchar *data;
|
|
|
566 |
uchar *start;
|
|
|
567 |
};
|
|
|
568 |
|
|
|
569 |
struct QTtfTable {
|
|
|
570 |
Tag tag;
|
|
|
571 |
QByteArray data;
|
|
|
572 |
};
|
|
|
573 |
Q_DECLARE_TYPEINFO(QTtfTable, Q_MOVABLE_TYPE);
|
|
|
574 |
|
|
|
575 |
|
|
|
576 |
struct qttf_head_table {
|
|
|
577 |
qint32 font_revision;
|
|
|
578 |
quint16 flags;
|
|
|
579 |
qint64 created;
|
|
|
580 |
qint64 modified;
|
|
|
581 |
qint16 xMin;
|
|
|
582 |
qint16 yMin;
|
|
|
583 |
qint16 xMax;
|
|
|
584 |
qint16 yMax;
|
|
|
585 |
quint16 macStyle;
|
|
|
586 |
qint16 indexToLocFormat;
|
|
|
587 |
};
|
|
|
588 |
|
|
|
589 |
|
|
|
590 |
struct qttf_hhea_table {
|
|
|
591 |
qint16 ascender;
|
|
|
592 |
qint16 descender;
|
|
|
593 |
qint16 lineGap;
|
|
|
594 |
quint16 maxAdvanceWidth;
|
|
|
595 |
qint16 minLeftSideBearing;
|
|
|
596 |
qint16 minRightSideBearing;
|
|
|
597 |
qint16 xMaxExtent;
|
|
|
598 |
quint16 numberOfHMetrics;
|
|
|
599 |
};
|
|
|
600 |
|
|
|
601 |
|
|
|
602 |
struct qttf_maxp_table {
|
|
|
603 |
quint16 numGlyphs;
|
|
|
604 |
quint16 maxPoints;
|
|
|
605 |
quint16 maxContours;
|
|
|
606 |
quint16 maxCompositePoints;
|
|
|
607 |
quint16 maxCompositeContours;
|
|
|
608 |
quint16 maxComponentElements;
|
|
|
609 |
quint16 maxComponentDepth;
|
|
|
610 |
};
|
|
|
611 |
|
|
|
612 |
struct qttf_name_table {
|
|
|
613 |
QString copyright;
|
|
|
614 |
QString family;
|
|
|
615 |
QString subfamily;
|
|
|
616 |
QString postscript_name;
|
|
|
617 |
};
|
|
|
618 |
|
|
|
619 |
|
|
|
620 |
static QTtfTable generateHead(const qttf_head_table &head);
|
|
|
621 |
static QTtfTable generateHhea(const qttf_hhea_table &hhea);
|
|
|
622 |
static QTtfTable generateMaxp(const qttf_maxp_table &maxp);
|
|
|
623 |
static QTtfTable generateName(const qttf_name_table &name);
|
|
|
624 |
|
|
|
625 |
struct qttf_font_tables
|
|
|
626 |
{
|
|
|
627 |
qttf_head_table head;
|
|
|
628 |
qttf_hhea_table hhea;
|
|
|
629 |
qttf_maxp_table maxp;
|
|
|
630 |
};
|
|
|
631 |
|
|
|
632 |
|
|
|
633 |
struct QTtfGlyph {
|
|
|
634 |
quint16 index;
|
|
|
635 |
qint16 xMin;
|
|
|
636 |
qint16 xMax;
|
|
|
637 |
qint16 yMin;
|
|
|
638 |
qint16 yMax;
|
|
|
639 |
quint16 advanceWidth;
|
|
|
640 |
qint16 lsb;
|
|
|
641 |
quint16 numContours;
|
|
|
642 |
quint16 numPoints;
|
|
|
643 |
QByteArray data;
|
|
|
644 |
};
|
|
|
645 |
Q_DECLARE_TYPEINFO(QTtfGlyph, Q_MOVABLE_TYPE);
|
|
|
646 |
|
|
|
647 |
static QTtfGlyph generateGlyph(int index, const QPainterPath &path, qreal advance, qreal lsb, qreal ppem);
|
|
|
648 |
// generates glyf, loca and hmtx
|
|
|
649 |
static QList<QTtfTable> generateGlyphTables(qttf_font_tables &tables, const QList<QTtfGlyph> &_glyphs);
|
|
|
650 |
|
|
|
651 |
static QByteArray bindFont(const QList<QTtfTable>& _tables);
|
|
|
652 |
|
|
|
653 |
|
|
|
654 |
static quint32 checksum(const QByteArray &table)
|
|
|
655 |
{
|
|
|
656 |
quint32 sum = 0;
|
|
|
657 |
int offset = 0;
|
|
|
658 |
const uchar *d = (uchar *)table.constData();
|
|
|
659 |
while (offset <= table.size()-3) {
|
|
|
660 |
sum += qFromBigEndian<quint32>(d + offset);
|
|
|
661 |
offset += 4;
|
|
|
662 |
}
|
|
|
663 |
int shift = 24;
|
|
|
664 |
quint32 x = 0;
|
|
|
665 |
while (offset < table.size()) {
|
|
|
666 |
x |= ((quint32)d[offset]) << shift;
|
|
|
667 |
++offset;
|
|
|
668 |
shift -= 8;
|
|
|
669 |
}
|
|
|
670 |
sum += x;
|
|
|
671 |
|
|
|
672 |
return sum;
|
|
|
673 |
}
|
|
|
674 |
|
|
|
675 |
static QTtfTable generateHead(const qttf_head_table &head)
|
|
|
676 |
{
|
|
|
677 |
const int head_size = 54;
|
|
|
678 |
QTtfTable t;
|
|
|
679 |
t.tag = MAKE_TAG('h', 'e', 'a', 'd');
|
|
|
680 |
t.data.resize(head_size);
|
|
|
681 |
|
|
|
682 |
QTtfStream s(t.data);
|
|
|
683 |
|
|
|
684 |
// qint32 Table version number 0x00010000 for version 1.0.
|
|
|
685 |
// qint32 fontRevision Set by font manufacturer.
|
|
|
686 |
s << qint32(0x00010000)
|
|
|
687 |
<< head.font_revision
|
|
|
688 |
// quint32 checkSumAdjustment To compute: set it to 0, sum the entire font as quint32, then store 0xB1B0AFBA - sum.
|
|
|
689 |
<< quint32(0)
|
|
|
690 |
// quint32 magicNumber Set to 0x5F0F3CF5.
|
|
|
691 |
<< quint32(0x5F0F3CF5)
|
|
|
692 |
// quint16 flags Bit 0: Baseline for font at y=0;
|
|
|
693 |
// Bit 1: Left sidebearing point at x=0;
|
|
|
694 |
// Bit 2: Instructions may depend on point size;
|
|
|
695 |
// Bit 3: Force ppem to integer values for all internal scaler math; may use fractional ppem sizes if this bit is clear;
|
|
|
696 |
// Bit 4: Instructions may alter advance width (the advance widths might not scale linearly);
|
|
|
697 |
// Bits 5-10: These should be set according to Apple's specification . However, they are not implemented in OpenType.
|
|
|
698 |
// Bit 11: Font data is 'lossless,' as a result of having been compressed and decompressed with the Agfa MicroType Express engine.
|
|
|
699 |
// Bit 12: Font converted (produce compatible metrics)
|
|
|
700 |
// Bit 13: Font optimised for ClearType
|
|
|
701 |
// Bit 14: Reserved, set to 0
|
|
|
702 |
// Bit 15: Reserved, set to 0
|
|
|
703 |
<< quint16(0)
|
|
|
704 |
|
|
|
705 |
// quint16 unitsPerEm Valid range is from 16 to 16384. This value should be a power of 2 for fonts that have TrueType outlines.
|
|
|
706 |
<< quint16(2048)
|
|
|
707 |
// qint64 created Number of seconds since 12:00 midnight, January 1, 1904. 64-bit integer
|
|
|
708 |
<< head.created
|
|
|
709 |
// qint64 modified Number of seconds since 12:00 midnight, January 1, 1904. 64-bit integer
|
|
|
710 |
<< head.modified
|
|
|
711 |
// qint16 xMin For all glyph bounding boxes.
|
|
|
712 |
// qint16 yMin For all glyph bounding boxes.
|
|
|
713 |
// qint16 xMax For all glyph bounding boxes.
|
|
|
714 |
// qint16 yMax For all glyph bounding boxes.
|
|
|
715 |
<< head.xMin
|
|
|
716 |
<< head.yMin
|
|
|
717 |
<< head.xMax
|
|
|
718 |
<< head.yMax
|
|
|
719 |
// quint16 macStyle Bit 0: Bold (if set to 1);
|
|
|
720 |
// Bit 1: Italic (if set to 1)
|
|
|
721 |
// Bit 2: Underline (if set to 1)
|
|
|
722 |
// Bit 3: Outline (if set to 1)
|
|
|
723 |
// Bit 4: Shadow (if set to 1)
|
|
|
724 |
// Bit 5: Condensed (if set to 1)
|
|
|
725 |
// Bit 6: Extended (if set to 1)
|
|
|
726 |
// Bits 7-15: Reserved (set to 0).
|
|
|
727 |
<< head.macStyle
|
|
|
728 |
// quint16 lowestRecPPEM Smallest readable size in pixels.
|
|
|
729 |
<< quint16(6) // just a wild guess
|
|
|
730 |
// qint16 fontDirectionHint 0: Fully mixed directional glyphs;
|
|
|
731 |
<< qint16(0)
|
|
|
732 |
// 1: Only strongly left to right;
|
|
|
733 |
// 2: Like 1 but also contains neutrals;
|
|
|
734 |
// -1: Only strongly right to left;
|
|
|
735 |
// -2: Like -1 but also contains neutrals. 1
|
|
|
736 |
// qint16 indexToLocFormat 0 for short offsets, 1 for long.
|
|
|
737 |
<< head.indexToLocFormat
|
|
|
738 |
// qint16 glyphDataFormat 0 for current format.
|
|
|
739 |
<< qint16(0);
|
|
|
740 |
|
|
|
741 |
Q_ASSERT(s.offset() == head_size);
|
|
|
742 |
return t;
|
|
|
743 |
}
|
|
|
744 |
|
|
|
745 |
|
|
|
746 |
static QTtfTable generateHhea(const qttf_hhea_table &hhea)
|
|
|
747 |
{
|
|
|
748 |
const int hhea_size = 36;
|
|
|
749 |
QTtfTable t;
|
|
|
750 |
t.tag = MAKE_TAG('h', 'h', 'e', 'a');
|
|
|
751 |
t.data.resize(hhea_size);
|
|
|
752 |
|
|
|
753 |
QTtfStream s(t.data);
|
|
|
754 |
// qint32 Table version number 0x00010000 for version 1.0.
|
|
|
755 |
s << qint32(0x00010000)
|
|
|
756 |
// qint16 Ascender Typographic ascent. (Distance from baseline of highest ascender)
|
|
|
757 |
<< hhea.ascender
|
|
|
758 |
// qint16 Descender Typographic descent. (Distance from baseline of lowest descender)
|
|
|
759 |
<< hhea.descender
|
|
|
760 |
// qint16 LineGap Typographic line gap.
|
|
|
761 |
// Negative LineGap values are treated as zero
|
|
|
762 |
// in Windows 3.1, System 6, and
|
|
|
763 |
// System 7.
|
|
|
764 |
<< hhea.lineGap
|
|
|
765 |
// quint16 advanceWidthMax Maximum advance width value in 'hmtx' table.
|
|
|
766 |
<< hhea.maxAdvanceWidth
|
|
|
767 |
// qint16 minLeftSideBearing Minimum left sidebearing value in 'hmtx' table.
|
|
|
768 |
<< hhea.minLeftSideBearing
|
|
|
769 |
// qint16 minRightSideBearing Minimum right sidebearing value; calculated as Min(aw - lsb - (xMax - xMin)).
|
|
|
770 |
<< hhea.minRightSideBearing
|
|
|
771 |
// qint16 xMaxExtent Max(lsb + (xMax - xMin)).
|
|
|
772 |
<< hhea.xMaxExtent
|
|
|
773 |
// qint16 caretSlopeRise Used to calculate the slope of the cursor (rise/run); 1 for vertical.
|
|
|
774 |
<< qint16(1)
|
|
|
775 |
// qint16 caretSlopeRun 0 for vertical.
|
|
|
776 |
<< qint16(0)
|
|
|
777 |
// 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
|
|
|
778 |
<< qint16(0)
|
|
|
779 |
// qint16 (reserved) set to 0
|
|
|
780 |
<< qint16(0)
|
|
|
781 |
// qint16 (reserved) set to 0
|
|
|
782 |
<< qint16(0)
|
|
|
783 |
// qint16 (reserved) set to 0
|
|
|
784 |
<< qint16(0)
|
|
|
785 |
// qint16 (reserved) set to 0
|
|
|
786 |
<< qint16(0)
|
|
|
787 |
// qint16 metricDataFormat 0 for current format.
|
|
|
788 |
<< qint16(0)
|
|
|
789 |
// quint16 numberOfHMetrics Number of hMetric entries in 'hmtx' table
|
|
|
790 |
<< hhea.numberOfHMetrics;
|
|
|
791 |
|
|
|
792 |
Q_ASSERT(s.offset() == hhea_size);
|
|
|
793 |
return t;
|
|
|
794 |
}
|
|
|
795 |
|
|
|
796 |
|
|
|
797 |
static QTtfTable generateMaxp(const qttf_maxp_table &maxp)
|
|
|
798 |
{
|
|
|
799 |
const int maxp_size = 32;
|
|
|
800 |
QTtfTable t;
|
|
|
801 |
t.tag = MAKE_TAG('m', 'a', 'x', 'p');
|
|
|
802 |
t.data.resize(maxp_size);
|
|
|
803 |
|
|
|
804 |
QTtfStream s(t.data);
|
|
|
805 |
|
|
|
806 |
// qint32 Table version number 0x00010000 for version 1.0.
|
|
|
807 |
s << qint32(0x00010000)
|
|
|
808 |
// quint16 numGlyphs The number of glyphs in the font.
|
|
|
809 |
<< maxp.numGlyphs
|
|
|
810 |
// quint16 maxPoints Maximum points in a non-composite glyph.
|
|
|
811 |
<< maxp.maxPoints
|
|
|
812 |
// quint16 maxContours Maximum contours in a non-composite glyph.
|
|
|
813 |
<< maxp.maxContours
|
|
|
814 |
// quint16 maxCompositePoints Maximum points in a composite glyph.
|
|
|
815 |
<< maxp.maxCompositePoints
|
|
|
816 |
// quint16 maxCompositeContours Maximum contours in a composite glyph.
|
|
|
817 |
<< maxp.maxCompositeContours
|
|
|
818 |
// 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.
|
|
|
819 |
<< quint16(1) // we do not embed instructions
|
|
|
820 |
// quint16 maxTwilightPoints Maximum points used in Z0.
|
|
|
821 |
<< quint16(0)
|
|
|
822 |
// quint16 maxStorage Number of Storage Area locations.
|
|
|
823 |
<< quint16(0)
|
|
|
824 |
// quint16 maxFunctionDefs Number of FDEFs.
|
|
|
825 |
<< quint16(0)
|
|
|
826 |
// quint16 maxInstructionDefs Number of IDEFs.
|
|
|
827 |
<< quint16(0)
|
|
|
828 |
// quint16 maxStackElements Maximum stack depth2.
|
|
|
829 |
<< quint16(0)
|
|
|
830 |
// quint16 maxSizeOfInstructions Maximum byte count for glyph instructions.
|
|
|
831 |
<< quint16(0)
|
|
|
832 |
// quint16 maxComponentElements Maximum number of components referenced at "top level" for any composite glyph.
|
|
|
833 |
<< maxp.maxComponentElements
|
|
|
834 |
// quint16 maxComponentDepth Maximum levels of recursion; 1 for simple components.
|
|
|
835 |
<< maxp.maxComponentDepth;
|
|
|
836 |
|
|
|
837 |
Q_ASSERT(s.offset() == maxp_size);
|
|
|
838 |
return t;
|
|
|
839 |
}
|
|
|
840 |
|
|
|
841 |
struct QTtfNameRecord {
|
|
|
842 |
quint16 nameId;
|
|
|
843 |
QString value;
|
|
|
844 |
};
|
|
|
845 |
|
|
|
846 |
static QTtfTable generateName(const QList<QTtfNameRecord> &name);
|
|
|
847 |
|
|
|
848 |
static QTtfTable generateName(const qttf_name_table &name)
|
|
|
849 |
{
|
|
|
850 |
QList<QTtfNameRecord> list;
|
|
|
851 |
QTtfNameRecord rec;
|
|
|
852 |
rec.nameId = 0;
|
|
|
853 |
rec.value = name.copyright;
|
|
|
854 |
list.append(rec);
|
|
|
855 |
rec.nameId = 1;
|
|
|
856 |
rec.value = name.family;
|
|
|
857 |
list.append(rec);
|
|
|
858 |
rec.nameId = 2;
|
|
|
859 |
rec.value = name.subfamily;
|
|
|
860 |
list.append(rec);
|
|
|
861 |
rec.nameId = 4;
|
|
|
862 |
rec.value = name.family;
|
|
|
863 |
if (name.subfamily != QLatin1String("Regular"))
|
|
|
864 |
rec.value += QLatin1Char(' ') + name.subfamily;
|
|
|
865 |
list.append(rec);
|
|
|
866 |
rec.nameId = 6;
|
|
|
867 |
rec.value = name.postscript_name;
|
|
|
868 |
list.append(rec);
|
|
|
869 |
|
|
|
870 |
return generateName(list);
|
|
|
871 |
}
|
|
|
872 |
|
|
|
873 |
// ####### should probably generate Macintosh/Roman name entries as well
|
|
|
874 |
static QTtfTable generateName(const QList<QTtfNameRecord> &name)
|
|
|
875 |
{
|
|
|
876 |
const int char_size = 2;
|
|
|
877 |
|
|
|
878 |
QTtfTable t;
|
|
|
879 |
t.tag = MAKE_TAG('n', 'a', 'm', 'e');
|
|
|
880 |
|
|
|
881 |
const int name_size = 6 + 12*name.size();
|
|
|
882 |
int string_size = 0;
|
|
|
883 |
for (int i = 0; i < name.size(); ++i) {
|
|
|
884 |
string_size += name.at(i).value.length()*char_size;
|
|
|
885 |
}
|
|
|
886 |
t.data.resize(name_size + string_size);
|
|
|
887 |
|
|
|
888 |
QTtfStream s(t.data);
|
|
|
889 |
// quint16 format Format selector (=0).
|
|
|
890 |
s << quint16(0)
|
|
|
891 |
// quint16 count Number of name records.
|
|
|
892 |
<< quint16(name.size())
|
|
|
893 |
// quint16 stringOffset Offset to start of string storage (from start of table).
|
|
|
894 |
<< quint16(name_size);
|
|
|
895 |
// NameRecord nameRecord[count] The name records where count is the number of records.
|
|
|
896 |
// (Variable)
|
|
|
897 |
|
|
|
898 |
int off = 0;
|
|
|
899 |
for (int i = 0; i < name.size(); ++i) {
|
|
|
900 |
int len = name.at(i).value.length()*char_size;
|
|
|
901 |
// quint16 platformID Platform ID.
|
|
|
902 |
// quint16 encodingID Platform-specific encoding ID.
|
|
|
903 |
// quint16 languageID Language ID.
|
|
|
904 |
s << quint16(3)
|
|
|
905 |
<< quint16(1)
|
|
|
906 |
<< quint16(0x0409) // en_US
|
|
|
907 |
// quint16 nameId Name ID.
|
|
|
908 |
<< name.at(i).nameId
|
|
|
909 |
// quint16 length String length (in bytes).
|
|
|
910 |
<< quint16(len)
|
|
|
911 |
// quint16 offset String offset from start of storage area (in bytes).
|
|
|
912 |
<< quint16(off);
|
|
|
913 |
off += len;
|
|
|
914 |
}
|
|
|
915 |
for (int i = 0; i < name.size(); ++i) {
|
|
|
916 |
const QString &n = name.at(i).value;
|
|
|
917 |
const ushort *uc = n.utf16();
|
|
|
918 |
for (int i = 0; i < n.length(); ++i) {
|
|
|
919 |
s << quint16(*uc);
|
|
|
920 |
++uc;
|
|
|
921 |
}
|
|
|
922 |
}
|
|
|
923 |
return t;
|
|
|
924 |
}
|
|
|
925 |
|
|
|
926 |
|
|
|
927 |
enum Flags {
|
|
|
928 |
OffCurve = 0,
|
|
|
929 |
OnCurve = (1 << 0),
|
|
|
930 |
XShortVector = (1 << 1),
|
|
|
931 |
YShortVector = (1 << 2),
|
|
|
932 |
Repeat = (1 << 3),
|
|
|
933 |
XSame = (1 << 4),
|
|
|
934 |
XShortPositive = (1 << 4),
|
|
|
935 |
YSame = (1 << 5),
|
|
|
936 |
YShortPositive = (1 << 5)
|
|
|
937 |
};
|
|
|
938 |
struct TTF_POINT {
|
|
|
939 |
qint16 x;
|
|
|
940 |
qint16 y;
|
|
|
941 |
quint8 flags;
|
|
|
942 |
};
|
|
|
943 |
Q_DECLARE_TYPEINFO(TTF_POINT, Q_PRIMITIVE_TYPE);
|
|
|
944 |
|
|
|
945 |
static void convertPath(const QPainterPath &path, QList<TTF_POINT> *points, QList<int> *endPoints, qreal ppem)
|
|
|
946 |
{
|
|
|
947 |
int numElements = path.elementCount();
|
|
|
948 |
for (int i = 0; i < numElements - 1; ++i) {
|
|
|
949 |
const QPainterPath::Element &e = path.elementAt(i);
|
|
|
950 |
TTF_POINT p;
|
|
|
951 |
p.x = qRound(e.x * 2048. / ppem);
|
|
|
952 |
p.y = qRound(-e.y * 2048. / ppem);
|
|
|
953 |
p.flags = 0;
|
|
|
954 |
|
|
|
955 |
switch(e.type) {
|
|
|
956 |
case QPainterPath::MoveToElement:
|
|
|
957 |
if (i != 0) {
|
|
|
958 |
// see if start and end points of the last contour agree
|
|
|
959 |
int start = endPoints->size() ? endPoints->at(endPoints->size()-1) - 1 : 0;
|
|
|
960 |
int end = points->size() - 1;
|
|
|
961 |
if (points->at(end).x == points->at(start).x
|
|
|
962 |
&& points->at(end).y == points->at(start).y)
|
|
|
963 |
points->takeLast();
|
|
|
964 |
endPoints->append(points->size() - 1);
|
|
|
965 |
}
|
|
|
966 |
// fall through
|
|
|
967 |
case QPainterPath::LineToElement:
|
|
|
968 |
p.flags = OnCurve;
|
|
|
969 |
break;
|
|
|
970 |
case QPainterPath::CurveToElement: {
|
|
|
971 |
// cubic bezier curve, we need to reduce to a list of quadratic curves
|
|
|
972 |
TTF_POINT list[3*16 + 4]; // we need max 16 subdivisions
|
|
|
973 |
list[3] = points->at(points->size() - 1);
|
|
|
974 |
list[2] = p;
|
|
|
975 |
const QPainterPath::Element &e2 = path.elementAt(++i);
|
|
|
976 |
list[1].x = qRound(e2.x * 2048. / ppem);
|
|
|
977 |
list[1].y = qRound(-e2.y * 2048. / ppem);
|
|
|
978 |
const QPainterPath::Element &e3 = path.elementAt(++i);
|
|
|
979 |
list[0].x = qRound(e3.x * 2048. / ppem);
|
|
|
980 |
list[0].y = qRound(-e3.y * 2048. / ppem);
|
|
|
981 |
|
|
|
982 |
TTF_POINT *base = list;
|
|
|
983 |
|
|
|
984 |
bool try_reduce = points->size() > 1
|
|
|
985 |
&& points->at(points->size() - 1).flags == OnCurve
|
|
|
986 |
&& points->at(points->size() - 2).flags == OffCurve;
|
|
|
987 |
// qDebug("generating beziers:");
|
|
|
988 |
while (base >= list) {
|
|
|
989 |
const int split_limit = 3;
|
|
|
990 |
// {
|
|
|
991 |
// qDebug("iteration:");
|
|
|
992 |
// TTF_POINT *x = list;
|
|
|
993 |
// while (x <= base + 3) {
|
|
|
994 |
// qDebug() << " " << QPoint(x->x, x->y);
|
|
|
995 |
// ++x;
|
|
|
996 |
// }
|
|
|
997 |
// }
|
|
|
998 |
Q_ASSERT(base - list < 3*16 + 1);
|
|
|
999 |
// first see if we can easily reduce the cubic to a quadratic bezier curve
|
|
|
1000 |
int i1_x = base[1].x + ((base[1].x - base[0].x) >> 1);
|
|
|
1001 |
int i1_y = base[1].y + ((base[1].y - base[0].y) >> 1);
|
|
|
1002 |
int i2_x = base[2].x + ((base[2].x - base[3].x) >> 1);
|
|
|
1003 |
int i2_y = base[2].y + ((base[2].y - base[3].y) >> 1);
|
|
|
1004 |
// qDebug() << "checking: i1=" << QPoint(i1_x, i1_y) << " i2=" << QPoint(i2_x, i2_y);
|
|
|
1005 |
if (qAbs(i1_x - i2_x) <= split_limit && qAbs(i1_y - i2_y) <= split_limit) {
|
|
|
1006 |
// got a quadratic bezier curve
|
|
|
1007 |
TTF_POINT np;
|
|
|
1008 |
np.x = (i1_x + i2_x) >> 1;
|
|
|
1009 |
np.y = (i1_y + i2_y) >> 1;
|
|
|
1010 |
if (try_reduce) {
|
|
|
1011 |
// see if we can optimise out the last onCurve point
|
|
|
1012 |
int mx = (points->at(points->size() - 2).x + base[2].x) >> 1;
|
|
|
1013 |
int my = (points->at(points->size() - 2).y + base[2].y) >> 1;
|
|
|
1014 |
if (qAbs(mx - base[3].x) <= split_limit && qAbs(my = base[3].y) <= split_limit)
|
|
|
1015 |
points->takeLast();
|
|
|
1016 |
try_reduce = false;
|
|
|
1017 |
}
|
|
|
1018 |
np.flags = OffCurve;
|
|
|
1019 |
points->append(np);
|
|
|
1020 |
// qDebug() << " appending offcurve point " << QPoint(np.x, np.y);
|
|
|
1021 |
base -= 3;
|
|
|
1022 |
} else {
|
|
|
1023 |
// need to split
|
|
|
1024 |
// qDebug() << " -> splitting";
|
|
|
1025 |
qint16 a, b, c, d;
|
|
|
1026 |
base[6].x = base[3].x;
|
|
|
1027 |
c = base[1].x;
|
|
|
1028 |
d = base[2].x;
|
|
|
1029 |
base[1].x = a = ( base[0].x + c ) >> 1;
|
|
|
1030 |
base[5].x = b = ( base[3].x + d ) >> 1;
|
|
|
1031 |
c = ( c + d ) >> 1;
|
|
|
1032 |
base[2].x = a = ( a + c ) >> 1;
|
|
|
1033 |
base[4].x = b = ( b + c ) >> 1;
|
|
|
1034 |
base[3].x = ( a + b ) >> 1;
|
|
|
1035 |
|
|
|
1036 |
base[6].y = base[3].y;
|
|
|
1037 |
c = base[1].y;
|
|
|
1038 |
d = base[2].y;
|
|
|
1039 |
base[1].y = a = ( base[0].y + c ) >> 1;
|
|
|
1040 |
base[5].y = b = ( base[3].y + d ) >> 1;
|
|
|
1041 |
c = ( c + d ) >> 1;
|
|
|
1042 |
base[2].y = a = ( a + c ) >> 1;
|
|
|
1043 |
base[4].y = b = ( b + c ) >> 1;
|
|
|
1044 |
base[3].y = ( a + b ) >> 1;
|
|
|
1045 |
base += 3;
|
|
|
1046 |
}
|
|
|
1047 |
}
|
|
|
1048 |
p = list[0];
|
|
|
1049 |
p.flags = OnCurve;
|
|
|
1050 |
break;
|
|
|
1051 |
}
|
|
|
1052 |
case QPainterPath::CurveToDataElement:
|
|
|
1053 |
Q_ASSERT(false);
|
|
|
1054 |
break;
|
|
|
1055 |
}
|
|
|
1056 |
// qDebug() << " appending oncurve point " << QPoint(p.x, p.y);
|
|
|
1057 |
points->append(p);
|
|
|
1058 |
}
|
|
|
1059 |
int start = endPoints->size() ? endPoints->at(endPoints->size()-1) + 1 : 0;
|
|
|
1060 |
int end = points->size() - 1;
|
|
|
1061 |
if (points->at(end).x == points->at(start).x
|
|
|
1062 |
&& points->at(end).y == points->at(start).y)
|
|
|
1063 |
points->takeLast();
|
|
|
1064 |
endPoints->append(points->size() - 1);
|
|
|
1065 |
}
|
|
|
1066 |
|
|
|
1067 |
static void getBounds(const QList<TTF_POINT> &points, qint16 *xmin, qint16 *xmax, qint16 *ymin, qint16 *ymax)
|
|
|
1068 |
{
|
|
|
1069 |
*xmin = points.at(0).x;
|
|
|
1070 |
*xmax = *xmin;
|
|
|
1071 |
*ymin = points.at(0).y;
|
|
|
1072 |
*ymax = *ymin;
|
|
|
1073 |
|
|
|
1074 |
for (int i = 1; i < points.size(); ++i) {
|
|
|
1075 |
*xmin = qMin(*xmin, points.at(i).x);
|
|
|
1076 |
*xmax = qMax(*xmax, points.at(i).x);
|
|
|
1077 |
*ymin = qMin(*ymin, points.at(i).y);
|
|
|
1078 |
*ymax = qMax(*ymax, points.at(i).y);
|
|
|
1079 |
}
|
|
|
1080 |
}
|
|
|
1081 |
|
|
|
1082 |
static int convertToRelative(QList<TTF_POINT> *points)
|
|
|
1083 |
{
|
|
|
1084 |
// convert points to relative and setup flags
|
|
|
1085 |
// qDebug() << "relative points:";
|
|
|
1086 |
qint16 prev_x = 0;
|
|
|
1087 |
qint16 prev_y = 0;
|
|
|
1088 |
int point_array_size = 0;
|
|
|
1089 |
for (int i = 0; i < points->size(); ++i) {
|
|
|
1090 |
const int x = points->at(i).x;
|
|
|
1091 |
const int y = points->at(i).y;
|
|
|
1092 |
TTF_POINT rel;
|
|
|
1093 |
rel.x = x - prev_x;
|
|
|
1094 |
rel.y = y - prev_y;
|
|
|
1095 |
rel.flags = points->at(i).flags;
|
|
|
1096 |
Q_ASSERT(rel.flags < 2);
|
|
|
1097 |
if (!rel.x) {
|
|
|
1098 |
rel.flags |= XSame;
|
|
|
1099 |
} else if (rel.x > 0 && rel.x < 256) {
|
|
|
1100 |
rel.flags |= XShortVector|XShortPositive;
|
|
|
1101 |
point_array_size++;
|
|
|
1102 |
} else if (rel.x < 0 && rel.x > -256) {
|
|
|
1103 |
rel.flags |= XShortVector;
|
|
|
1104 |
rel.x = -rel.x;
|
|
|
1105 |
point_array_size++;
|
|
|
1106 |
} else {
|
|
|
1107 |
point_array_size += 2;
|
|
|
1108 |
}
|
|
|
1109 |
if (!rel.y) {
|
|
|
1110 |
rel.flags |= YSame;
|
|
|
1111 |
} else if (rel.y > 0 && rel.y < 256) {
|
|
|
1112 |
rel.flags |= YShortVector|YShortPositive;
|
|
|
1113 |
point_array_size++;
|
|
|
1114 |
} else if (rel.y < 0 && rel.y > -256) {
|
|
|
1115 |
rel.flags |= YShortVector;
|
|
|
1116 |
rel.y = -rel.y;
|
|
|
1117 |
point_array_size++;
|
|
|
1118 |
} else {
|
|
|
1119 |
point_array_size += 2;
|
|
|
1120 |
}
|
|
|
1121 |
(*points)[i] = rel;
|
|
|
1122 |
// #define toString(x) ((rel.flags & x) ? #x : "")
|
|
|
1123 |
// qDebug() << " " << QPoint(rel.x, rel.y) << "flags="
|
|
|
1124 |
// << toString(OnCurve) << toString(XShortVector)
|
|
|
1125 |
// << (rel.flags & XShortVector ? toString(XShortPositive) : toString(XSame))
|
|
|
1126 |
// << toString(YShortVector)
|
|
|
1127 |
// << (rel.flags & YShortVector ? toString(YShortPositive) : toString(YSame));
|
|
|
1128 |
|
|
|
1129 |
prev_x = x;
|
|
|
1130 |
prev_y = y;
|
|
|
1131 |
}
|
|
|
1132 |
return point_array_size;
|
|
|
1133 |
}
|
|
|
1134 |
|
|
|
1135 |
static void getGlyphData(QTtfGlyph *glyph, const QList<TTF_POINT> &points, const QList<int> &endPoints, int point_array_size)
|
|
|
1136 |
{
|
|
|
1137 |
const int max_size = 5*sizeof(qint16) // header
|
|
|
1138 |
+ endPoints.size()*sizeof(quint16) // end points of contours
|
|
|
1139 |
+ sizeof(quint16) // instruction length == 0
|
|
|
1140 |
+ points.size()*(1) // flags
|
|
|
1141 |
+ point_array_size; // coordinates
|
|
|
1142 |
|
|
|
1143 |
glyph->data.resize(max_size);
|
|
|
1144 |
|
|
|
1145 |
QTtfStream s(glyph->data);
|
|
|
1146 |
s << qint16(endPoints.size())
|
|
|
1147 |
<< glyph->xMin << glyph->yMin << glyph->xMax << glyph->yMax;
|
|
|
1148 |
|
|
|
1149 |
for (int i = 0; i < endPoints.size(); ++i)
|
|
|
1150 |
s << quint16(endPoints.at(i));
|
|
|
1151 |
s << quint16(0); // instruction length
|
|
|
1152 |
|
|
|
1153 |
// emit flags
|
|
|
1154 |
for (int i = 0; i < points.size(); ++i)
|
|
|
1155 |
s << quint8(points.at(i).flags);
|
|
|
1156 |
// emit points
|
|
|
1157 |
for (int i = 0; i < points.size(); ++i) {
|
|
|
1158 |
quint8 flags = points.at(i).flags;
|
|
|
1159 |
qint16 x = points.at(i).x;
|
|
|
1160 |
|
|
|
1161 |
if (flags & XShortVector)
|
|
|
1162 |
s << quint8(x);
|
|
|
1163 |
else if (!(flags & XSame))
|
|
|
1164 |
s << qint16(x);
|
|
|
1165 |
}
|
|
|
1166 |
for (int i = 0; i < points.size(); ++i) {
|
|
|
1167 |
quint8 flags = points.at(i).flags;
|
|
|
1168 |
qint16 y = points.at(i).y;
|
|
|
1169 |
|
|
|
1170 |
if (flags & YShortVector)
|
|
|
1171 |
s << quint8(y);
|
|
|
1172 |
else if (!(flags & YSame))
|
|
|
1173 |
s << qint16(y);
|
|
|
1174 |
}
|
|
|
1175 |
|
|
|
1176 |
// qDebug() << "offset=" << s.offset() << "max_size=" << max_size << "point_array_size=" << point_array_size;
|
|
|
1177 |
Q_ASSERT(s.offset() == max_size);
|
|
|
1178 |
|
|
|
1179 |
glyph->numContours = endPoints.size();
|
|
|
1180 |
glyph->numPoints = points.size();
|
|
|
1181 |
}
|
|
|
1182 |
|
|
|
1183 |
static QTtfGlyph generateGlyph(int index, const QPainterPath &path, qreal advance, qreal lsb, qreal ppem)
|
|
|
1184 |
{
|
|
|
1185 |
QList<TTF_POINT> points;
|
|
|
1186 |
QList<int> endPoints;
|
|
|
1187 |
QTtfGlyph glyph;
|
|
|
1188 |
glyph.index = index;
|
|
|
1189 |
glyph.advanceWidth = qRound(advance * 2048. / ppem);
|
|
|
1190 |
glyph.lsb = qRound(lsb * 2048. / ppem);
|
|
|
1191 |
|
|
|
1192 |
if (!path.elementCount()) {
|
|
|
1193 |
//qDebug("glyph %d is empty", index);
|
|
|
1194 |
lsb = 0;
|
|
|
1195 |
glyph.xMin = glyph.xMax = glyph.yMin = glyph.yMax = 0;
|
|
|
1196 |
glyph.numContours = 0;
|
|
|
1197 |
glyph.numPoints = 0;
|
|
|
1198 |
return glyph;
|
|
|
1199 |
}
|
|
|
1200 |
|
|
|
1201 |
convertPath(path, &points, &endPoints, ppem);
|
|
|
1202 |
|
|
|
1203 |
// qDebug() << "number of contours=" << endPoints.size();
|
|
|
1204 |
// for (int i = 0; i < points.size(); ++i)
|
|
|
1205 |
// qDebug() << " point[" << i << "] = " << QPoint(points.at(i).x, points.at(i).y) << " flags=" << points.at(i).flags;
|
|
|
1206 |
// qDebug() << "endPoints:";
|
|
|
1207 |
// for (int i = 0; i < endPoints.size(); ++i)
|
|
|
1208 |
// qDebug() << endPoints.at(i);
|
|
|
1209 |
|
|
|
1210 |
getBounds(points, &glyph.xMin, &glyph.xMax, &glyph.yMin, &glyph.yMax);
|
|
|
1211 |
int point_array_size = convertToRelative(&points);
|
|
|
1212 |
getGlyphData(&glyph, points, endPoints, point_array_size);
|
|
|
1213 |
return glyph;
|
|
|
1214 |
}
|
|
|
1215 |
|
|
|
1216 |
Q_STATIC_GLOBAL_OPERATOR bool operator <(const QTtfGlyph &g1, const QTtfGlyph &g2)
|
|
|
1217 |
{
|
|
|
1218 |
return g1.index < g2.index;
|
|
|
1219 |
}
|
|
|
1220 |
|
|
|
1221 |
static QList<QTtfTable> generateGlyphTables(qttf_font_tables &tables, const QList<QTtfGlyph> &_glyphs)
|
|
|
1222 |
{
|
|
|
1223 |
const int max_size_small = 65536*2;
|
|
|
1224 |
QList<QTtfGlyph> glyphs = _glyphs;
|
|
|
1225 |
qSort(glyphs);
|
|
|
1226 |
|
|
|
1227 |
Q_ASSERT(tables.maxp.numGlyphs == glyphs.at(glyphs.size()-1).index + 1);
|
|
|
1228 |
int nGlyphs = tables.maxp.numGlyphs;
|
|
|
1229 |
|
|
|
1230 |
int glyf_size = 0;
|
|
|
1231 |
for (int i = 0; i < glyphs.size(); ++i)
|
|
|
1232 |
glyf_size += (glyphs.at(i).data.size() + 3) & ~3;
|
|
|
1233 |
|
|
|
1234 |
tables.head.indexToLocFormat = glyf_size < max_size_small ? 0 : 1;
|
|
|
1235 |
tables.hhea.numberOfHMetrics = nGlyphs;
|
|
|
1236 |
|
|
|
1237 |
QTtfTable glyf;
|
|
|
1238 |
glyf.tag = MAKE_TAG('g', 'l', 'y', 'f');
|
|
|
1239 |
|
|
|
1240 |
QTtfTable loca;
|
|
|
1241 |
loca.tag = MAKE_TAG('l', 'o', 'c', 'a');
|
|
|
1242 |
loca.data.resize(glyf_size < max_size_small ? (nGlyphs+1)*sizeof(quint16) : (nGlyphs+1)*sizeof(quint32));
|
|
|
1243 |
QTtfStream ls(loca.data);
|
|
|
1244 |
|
|
|
1245 |
QTtfTable hmtx;
|
|
|
1246 |
hmtx.tag = MAKE_TAG('h', 'm', 't', 'x');
|
|
|
1247 |
hmtx.data.resize(nGlyphs*4);
|
|
|
1248 |
QTtfStream hs(hmtx.data);
|
|
|
1249 |
|
|
|
1250 |
int pos = 0;
|
|
|
1251 |
for (int i = 0; i < nGlyphs; ++i) {
|
|
|
1252 |
int gpos = glyf.data.size();
|
|
|
1253 |
quint16 advance = 0;
|
|
|
1254 |
qint16 lsb = 0;
|
|
|
1255 |
|
|
|
1256 |
if (glyphs[pos].index == i) {
|
|
|
1257 |
// emit glyph
|
|
|
1258 |
// qDebug("emitting glyph %d: size=%d", i, glyphs.at(i).data.size());
|
|
|
1259 |
glyf.data += glyphs.at(pos).data;
|
|
|
1260 |
while (glyf.data.size() & 1)
|
|
|
1261 |
glyf.data.append('\0');
|
|
|
1262 |
advance = glyphs.at(pos).advanceWidth;
|
|
|
1263 |
lsb = glyphs.at(pos).lsb;
|
|
|
1264 |
++pos;
|
|
|
1265 |
}
|
|
|
1266 |
if (glyf_size < max_size_small) {
|
|
|
1267 |
// use short loca format
|
|
|
1268 |
ls << quint16(gpos>>1);
|
|
|
1269 |
} else {
|
|
|
1270 |
// use long loca format
|
|
|
1271 |
ls << quint32(gpos);
|
|
|
1272 |
}
|
|
|
1273 |
hs << advance
|
|
|
1274 |
<< lsb;
|
|
|
1275 |
}
|
|
|
1276 |
if (glyf_size < max_size_small) {
|
|
|
1277 |
// use short loca format
|
|
|
1278 |
ls << quint16(glyf.data.size()>>1);
|
|
|
1279 |
} else {
|
|
|
1280 |
// use long loca format
|
|
|
1281 |
ls << quint32(glyf.data.size());
|
|
|
1282 |
}
|
|
|
1283 |
|
|
|
1284 |
Q_ASSERT(loca.data.size() == ls.offset());
|
|
|
1285 |
Q_ASSERT(hmtx.data.size() == hs.offset());
|
|
|
1286 |
|
|
|
1287 |
QList<QTtfTable> list;
|
|
|
1288 |
list.append(glyf);
|
|
|
1289 |
list.append(loca);
|
|
|
1290 |
list.append(hmtx);
|
|
|
1291 |
return list;
|
|
|
1292 |
}
|
|
|
1293 |
|
|
|
1294 |
Q_STATIC_GLOBAL_OPERATOR bool operator <(const QTtfTable &t1, const QTtfTable &t2)
|
|
|
1295 |
{
|
|
|
1296 |
return t1.tag < t2.tag;
|
|
|
1297 |
}
|
|
|
1298 |
|
|
|
1299 |
static QByteArray bindFont(const QList<QTtfTable>& _tables)
|
|
|
1300 |
{
|
|
|
1301 |
QList<QTtfTable> tables = _tables;
|
|
|
1302 |
|
|
|
1303 |
qSort(tables);
|
|
|
1304 |
|
|
|
1305 |
QByteArray font;
|
|
|
1306 |
const int header_size = sizeof(qint32) + 4*sizeof(quint16);
|
|
|
1307 |
const int directory_size = 4*sizeof(quint32)*tables.size();
|
|
|
1308 |
font.resize(header_size + directory_size);
|
|
|
1309 |
|
|
|
1310 |
int log2 = 0;
|
|
|
1311 |
int pow = 1;
|
|
|
1312 |
int n = tables.size() >> 1;
|
|
|
1313 |
while (n) {
|
|
|
1314 |
++log2;
|
|
|
1315 |
pow <<= 1;
|
|
|
1316 |
n >>= 1;
|
|
|
1317 |
}
|
|
|
1318 |
|
|
|
1319 |
quint32 head_offset = 0;
|
|
|
1320 |
{
|
|
|
1321 |
QTtfStream f(font);
|
|
|
1322 |
// Offset Table
|
|
|
1323 |
// Type Name Description
|
|
|
1324 |
// qint32 sfnt version 0x00010000 for version 1.0.
|
|
|
1325 |
// quint16 numTables Number of tables.
|
|
|
1326 |
// quint16 searchRange (Maximum power of 2 <= numTables) x 16.
|
|
|
1327 |
// quint16 entrySelector Log2(maximum power of 2 <= numTables).
|
|
|
1328 |
// quint16 rangeShift NumTables x 16-searchRange.
|
|
|
1329 |
f << qint32(0x00010000)
|
|
|
1330 |
<< quint16(tables.size())
|
|
|
1331 |
<< quint16(16*pow)
|
|
|
1332 |
<< quint16(log2)
|
|
|
1333 |
<< quint16(16*(tables.size() - pow));
|
|
|
1334 |
|
|
|
1335 |
// Table Directory
|
|
|
1336 |
// Type Name Description
|
|
|
1337 |
// quint32 tag 4 -byte identifier.
|
|
|
1338 |
// quint32 checkSum CheckSum for this table.
|
|
|
1339 |
// quint32 offset Offset from beginning of TrueType font file.
|
|
|
1340 |
// quint32 length Length of this table.
|
|
|
1341 |
quint32 table_offset = header_size + directory_size;
|
|
|
1342 |
for (int i = 0; i < tables.size(); ++i) {
|
|
|
1343 |
const QTtfTable &t = tables.at(i);
|
|
|
1344 |
const quint32 size = (t.data.size() + 3) & ~3;
|
|
|
1345 |
if (t.tag == MAKE_TAG('h', 'e', 'a', 'd'))
|
|
|
1346 |
head_offset = table_offset;
|
|
|
1347 |
f << t.tag
|
|
|
1348 |
<< checksum(t.data)
|
|
|
1349 |
<< table_offset
|
|
|
1350 |
<< t.data.size();
|
|
|
1351 |
table_offset += size;
|
|
|
1352 |
#define TAG(x) char(t.tag >> 24) << char((t.tag >> 16) & 0xff) << char((t.tag >> 8) & 0xff) << char(t.tag & 0xff)
|
|
|
1353 |
//qDebug() << "table " << TAG(t.tag) << "has size " << t.data.size() << "stream at " << f.offset();
|
|
|
1354 |
}
|
|
|
1355 |
}
|
|
|
1356 |
for (int i = 0; i < tables.size(); ++i) {
|
|
|
1357 |
const QByteArray &t = tables.at(i).data;
|
|
|
1358 |
font += t;
|
|
|
1359 |
int s = t.size();
|
|
|
1360 |
while (s & 3) { font += '\0'; ++s; }
|
|
|
1361 |
}
|
|
|
1362 |
|
|
|
1363 |
if (!head_offset) {
|
|
|
1364 |
qWarning("QFontSubset: Font misses 'head' table");
|
|
|
1365 |
return QByteArray();
|
|
|
1366 |
}
|
|
|
1367 |
|
|
|
1368 |
// calculate the fonts checksum and qToBigEndian into 'head's checksum_adjust
|
|
|
1369 |
quint32 checksum_adjust = 0xB1B0AFBA - checksum(font);
|
|
|
1370 |
qToBigEndian(checksum_adjust, (uchar *)font.data() + head_offset + 8);
|
|
|
1371 |
|
|
|
1372 |
return font;
|
|
|
1373 |
}
|
|
|
1374 |
|
|
|
1375 |
|
|
|
1376 |
/*
|
|
|
1377 |
PDF requires the following tables:
|
|
|
1378 |
|
|
|
1379 |
head, hhea, loca, maxp, cvt , prep, glyf, hmtx, fpgm
|
|
|
1380 |
|
|
|
1381 |
This means we don't have to add a os/2, post or name table. cvt , prep and fpgm could be empty
|
|
|
1382 |
if really required.
|
|
|
1383 |
*/
|
|
|
1384 |
|
|
|
1385 |
QByteArray QFontSubset::toTruetype() const
|
|
|
1386 |
{
|
|
|
1387 |
qttf_font_tables font;
|
|
|
1388 |
memset(&font, 0, sizeof(qttf_font_tables));
|
|
|
1389 |
|
|
|
1390 |
qreal ppem = fontEngine->fontDef.pixelSize;
|
|
|
1391 |
#define TO_TTF(x) qRound(x * 2048. / ppem)
|
|
|
1392 |
QList<QTtfGlyph> glyphs;
|
|
|
1393 |
|
|
|
1394 |
QFontEngine::Properties properties = fontEngine->properties();
|
|
|
1395 |
// initialize some stuff needed in createWidthArray
|
|
|
1396 |
emSquare = 2048;
|
|
|
1397 |
widths.resize(nGlyphs());
|
|
|
1398 |
|
|
|
1399 |
// head table
|
|
|
1400 |
font.head.font_revision = 0x00010000;
|
|
|
1401 |
font.head.flags = (1 << 2) | (1 << 4);
|
|
|
1402 |
font.head.created = 0; // ###
|
|
|
1403 |
font.head.modified = 0; // ###
|
|
|
1404 |
font.head.xMin = SHRT_MAX;
|
|
|
1405 |
font.head.xMax = SHRT_MIN;
|
|
|
1406 |
font.head.yMin = SHRT_MAX;
|
|
|
1407 |
font.head.yMax = SHRT_MIN;
|
|
|
1408 |
font.head.macStyle = (fontEngine->fontDef.weight > QFont::Normal) ? 1 : 0;
|
|
|
1409 |
font.head.macStyle |= (fontEngine->fontDef.styleHint != QFont::StyleNormal) ? 1 : 0;
|
|
|
1410 |
|
|
|
1411 |
// hhea table
|
|
|
1412 |
font.hhea.ascender = qRound(properties.ascent);
|
|
|
1413 |
font.hhea.descender = -qRound(properties.descent);
|
|
|
1414 |
font.hhea.lineGap = qRound(properties.leading);
|
|
|
1415 |
font.hhea.maxAdvanceWidth = TO_TTF(fontEngine->maxCharWidth());
|
|
|
1416 |
font.hhea.minLeftSideBearing = TO_TTF(fontEngine->minLeftBearing());
|
|
|
1417 |
font.hhea.minRightSideBearing = TO_TTF(fontEngine->minRightBearing());
|
|
|
1418 |
font.hhea.xMaxExtent = SHRT_MIN;
|
|
|
1419 |
|
|
|
1420 |
font.maxp.numGlyphs = 0;
|
|
|
1421 |
font.maxp.maxPoints = 0;
|
|
|
1422 |
font.maxp.maxContours = 0;
|
|
|
1423 |
font.maxp.maxCompositePoints = 0;
|
|
|
1424 |
font.maxp.maxCompositeContours = 0;
|
|
|
1425 |
font.maxp.maxComponentElements = 0;
|
|
|
1426 |
font.maxp.maxComponentDepth = 0;
|
|
|
1427 |
font.maxp.numGlyphs = nGlyphs();
|
|
|
1428 |
|
|
|
1429 |
|
|
|
1430 |
|
|
|
1431 |
uint sumAdvances = 0;
|
|
|
1432 |
for (int i = 0; i < nGlyphs(); ++i) {
|
|
|
1433 |
glyph_t g = glyph_indices.at(i);
|
|
|
1434 |
QPainterPath path;
|
|
|
1435 |
glyph_metrics_t metric;
|
|
|
1436 |
fontEngine->getUnscaledGlyph(g, &path, &metric);
|
|
|
1437 |
if (noEmbed) {
|
|
|
1438 |
path = QPainterPath();
|
|
|
1439 |
if (g == 0)
|
|
|
1440 |
path.addRect(QRectF(0, 0, 1000, 1000));
|
|
|
1441 |
}
|
|
|
1442 |
QTtfGlyph glyph = generateGlyph(i, path, metric.xoff.toReal(), metric.x.toReal(), properties.emSquare.toReal());
|
|
|
1443 |
|
|
|
1444 |
font.head.xMin = qMin(font.head.xMin, glyph.xMin);
|
|
|
1445 |
font.head.xMax = qMax(font.head.xMax, glyph.xMax);
|
|
|
1446 |
font.head.yMin = qMin(font.head.yMin, glyph.yMin);
|
|
|
1447 |
font.head.yMax = qMax(font.head.yMax, glyph.yMax);
|
|
|
1448 |
|
|
|
1449 |
font.hhea.xMaxExtent = qMax(font.hhea.xMaxExtent, (qint16)(glyph.lsb + glyph.xMax - glyph.xMin));
|
|
|
1450 |
|
|
|
1451 |
font.maxp.maxPoints = qMax(font.maxp.maxPoints, glyph.numPoints);
|
|
|
1452 |
font.maxp.maxContours = qMax(font.maxp.maxContours, glyph.numContours);
|
|
|
1453 |
|
|
|
1454 |
if (glyph.xMax > glyph.xMin)
|
|
|
1455 |
sumAdvances += glyph.xMax - glyph.xMin;
|
|
|
1456 |
|
|
|
1457 |
// qDebug("adding glyph %d size=%d", glyph.index, glyph.data.size());
|
|
|
1458 |
glyphs.append(glyph);
|
|
|
1459 |
widths[i] = glyph.advanceWidth;
|
|
|
1460 |
}
|
|
|
1461 |
|
|
|
1462 |
|
|
|
1463 |
QList<QTtfTable> tables = generateGlyphTables(font, glyphs);
|
|
|
1464 |
tables.append(generateHead(font.head));
|
|
|
1465 |
tables.append(generateHhea(font.hhea));
|
|
|
1466 |
tables.append(generateMaxp(font.maxp));
|
|
|
1467 |
// name
|
|
|
1468 |
QTtfTable name_table;
|
|
|
1469 |
name_table.tag = MAKE_TAG('n', 'a', 'm', 'e');
|
|
|
1470 |
if (!noEmbed)
|
|
|
1471 |
name_table.data = fontEngine->getSfntTable(name_table.tag);
|
|
|
1472 |
if (name_table.data.isEmpty()) {
|
|
|
1473 |
qttf_name_table name;
|
|
|
1474 |
if (noEmbed)
|
|
|
1475 |
name.copyright = QLatin1String("Fake font");
|
|
|
1476 |
else
|
|
|
1477 |
name.copyright = QLatin1String(properties.copyright);
|
|
|
1478 |
name.family = fontEngine->fontDef.family;
|
|
|
1479 |
name.subfamily = QLatin1String("Regular"); // ######
|
|
|
1480 |
name.postscript_name = QLatin1String(properties.postscriptName);
|
|
|
1481 |
name_table = generateName(name);
|
|
|
1482 |
}
|
|
|
1483 |
tables.append(name_table);
|
|
|
1484 |
|
|
|
1485 |
if (!noEmbed) {
|
|
|
1486 |
QTtfTable os2;
|
|
|
1487 |
os2.tag = MAKE_TAG('O', 'S', '/', '2');
|
|
|
1488 |
os2.data = fontEngine->getSfntTable(os2.tag);
|
|
|
1489 |
if (!os2.data.isEmpty())
|
|
|
1490 |
tables.append(os2);
|
|
|
1491 |
}
|
|
|
1492 |
|
|
|
1493 |
return bindFont(tables);
|
|
|
1494 |
}
|
|
|
1495 |
|
|
|
1496 |
// ------------------ Type 1 generation ---------------------------
|
|
|
1497 |
|
|
|
1498 |
// needs at least 6 bytes of space in tmp
|
|
|
1499 |
static const char *encodeNumber(int num, char *tmp)
|
|
|
1500 |
{
|
|
|
1501 |
const char *ret = tmp;
|
|
|
1502 |
if(num >= -107 && num <= 107) {
|
|
|
1503 |
QPdf::toHex((uchar)(num + 139), tmp);
|
|
|
1504 |
tmp += 2;
|
|
|
1505 |
} else if (num > 107 && num <= 1131) {
|
|
|
1506 |
num -= 108;
|
|
|
1507 |
QPdf::toHex((uchar)((num >> 8) + 247), tmp);
|
|
|
1508 |
tmp += 2;
|
|
|
1509 |
QPdf::toHex((uchar)(num & 0xff), tmp);
|
|
|
1510 |
tmp += 2;
|
|
|
1511 |
} else if(num < - 107 && num >= -1131) {
|
|
|
1512 |
num += 108;
|
|
|
1513 |
num = -num;
|
|
|
1514 |
QPdf::toHex((uchar)((num >> 8) + 251), tmp);
|
|
|
1515 |
tmp += 2;
|
|
|
1516 |
QPdf::toHex((uchar)(num & 0xff), tmp);
|
|
|
1517 |
tmp += 2;
|
|
|
1518 |
} else {
|
|
|
1519 |
*tmp++ = 'f';
|
|
|
1520 |
*tmp++ = 'f';
|
|
|
1521 |
QPdf::toHex((uchar)(num >> 24), tmp);
|
|
|
1522 |
tmp += 2;
|
|
|
1523 |
QPdf::toHex((uchar)(num >> 16), tmp);
|
|
|
1524 |
tmp += 2;
|
|
|
1525 |
QPdf::toHex((uchar)(num >> 8), tmp);
|
|
|
1526 |
tmp += 2;
|
|
|
1527 |
QPdf::toHex((uchar)(num >> 0), tmp);
|
|
|
1528 |
tmp += 2;
|
|
|
1529 |
}
|
|
|
1530 |
*tmp = 0;
|
|
|
1531 |
// qDebug("encodeNumber: %d -> '%s'", num, ret);
|
|
|
1532 |
return ret;
|
|
|
1533 |
}
|
|
|
1534 |
|
|
|
1535 |
static QByteArray charString(const QPainterPath &path, qreal advance, qreal lsb, qreal ppem)
|
|
|
1536 |
{
|
|
|
1537 |
// the charstring commands we need
|
|
|
1538 |
const char *hsbw = "0D";
|
|
|
1539 |
const char *closepath = "09";
|
|
|
1540 |
const char *moveto[3] = { "16", "04", "15" };
|
|
|
1541 |
const char *lineto[3] = { "06", "07", "05" };
|
|
|
1542 |
const char *rcurveto = "08";
|
|
|
1543 |
const char *endchar = "0E";
|
|
|
1544 |
|
|
|
1545 |
enum { horizontal = 1, vertical = 2 };
|
|
|
1546 |
|
|
|
1547 |
char tmp[16];
|
|
|
1548 |
|
|
|
1549 |
qreal factor = 1000./ppem;
|
|
|
1550 |
|
|
|
1551 |
int lsb_i = qRound(lsb*factor);
|
|
|
1552 |
int advance_i = qRound(advance*factor);
|
|
|
1553 |
// qDebug("--- charstring");
|
|
|
1554 |
|
|
|
1555 |
// first of all add lsb and width to the charstring using the hsbw command
|
|
|
1556 |
QByteArray charstring;
|
|
|
1557 |
charstring += encodeNumber(lsb_i, tmp);
|
|
|
1558 |
charstring += encodeNumber(advance_i, tmp);
|
|
|
1559 |
charstring += hsbw;
|
|
|
1560 |
|
|
|
1561 |
// add the path
|
|
|
1562 |
int xl = lsb_i;
|
|
|
1563 |
int yl = 0;
|
|
|
1564 |
bool openpath = false;
|
|
|
1565 |
for (int i = 0; i < path.elementCount(); ++i) {
|
|
|
1566 |
const QPainterPath::Element &elm = path.elementAt(i);
|
|
|
1567 |
int x = qRound(elm.x*factor);
|
|
|
1568 |
int y = -qRound(elm.y*factor);
|
|
|
1569 |
int dx = x - xl;
|
|
|
1570 |
int dy = y - yl;
|
|
|
1571 |
if (elm.type == QPainterPath::MoveToElement && openpath) {
|
|
|
1572 |
// qDebug("closepath %s", closepath);
|
|
|
1573 |
charstring += closepath;
|
|
|
1574 |
}
|
|
|
1575 |
if (elm.type == QPainterPath::MoveToElement ||
|
|
|
1576 |
elm.type == QPainterPath::LineToElement) {
|
|
|
1577 |
int type = -1;
|
|
|
1578 |
if (dx || !dy) {
|
|
|
1579 |
charstring += encodeNumber(dx, tmp);
|
|
|
1580 |
type += horizontal;
|
|
|
1581 |
// qDebug("horizontal");
|
|
|
1582 |
}
|
|
|
1583 |
if (dy) {
|
|
|
1584 |
charstring += encodeNumber(dy, tmp);
|
|
|
1585 |
type += vertical;
|
|
|
1586 |
// qDebug("vertical");
|
|
|
1587 |
}
|
|
|
1588 |
// qDebug("moveto/lineto %s", (elm.type == QPainterPath::MoveToElement ? moveto[type] : lineto[type]));
|
|
|
1589 |
charstring += (elm.type == QPainterPath::MoveToElement ? moveto[type] : lineto[type]);
|
|
|
1590 |
openpath = true;
|
|
|
1591 |
xl = x;
|
|
|
1592 |
yl = y;
|
|
|
1593 |
} else {
|
|
|
1594 |
Q_ASSERT(elm.type == QPainterPath::CurveToElement);
|
|
|
1595 |
const QPainterPath::Element &elm2 = path.elementAt(++i);
|
|
|
1596 |
const QPainterPath::Element &elm3 = path.elementAt(++i);
|
|
|
1597 |
int x2 = qRound(elm2.x*factor);
|
|
|
1598 |
int y2 = -qRound(elm2.y*factor);
|
|
|
1599 |
int x3 = qRound(elm3.x*factor);
|
|
|
1600 |
int y3 = -qRound(elm3.y*factor);
|
|
|
1601 |
charstring += encodeNumber(dx, tmp);
|
|
|
1602 |
charstring += encodeNumber(dy, tmp);
|
|
|
1603 |
charstring += encodeNumber(x2 - x, tmp);
|
|
|
1604 |
charstring += encodeNumber(y2 - y, tmp);
|
|
|
1605 |
charstring += encodeNumber(x3 - x2, tmp);
|
|
|
1606 |
charstring += encodeNumber(y3 - y2, tmp);
|
|
|
1607 |
charstring += rcurveto;
|
|
|
1608 |
openpath = true;
|
|
|
1609 |
xl = x3;
|
|
|
1610 |
yl = y3;
|
|
|
1611 |
// qDebug("rcurveto");
|
|
|
1612 |
}
|
|
|
1613 |
}
|
|
|
1614 |
if (openpath)
|
|
|
1615 |
charstring += closepath;
|
|
|
1616 |
charstring += endchar;
|
|
|
1617 |
if (charstring.length() > 240) {
|
|
|
1618 |
int pos = 240;
|
|
|
1619 |
while (pos < charstring.length()) {
|
|
|
1620 |
charstring.insert(pos, '\n');
|
|
|
1621 |
pos += 241;
|
|
|
1622 |
}
|
|
|
1623 |
}
|
|
|
1624 |
return charstring;
|
|
|
1625 |
}
|
|
|
1626 |
|
|
|
1627 |
#ifndef QT_NO_FREETYPE
|
|
|
1628 |
static const char *helvetica_styles[4] = {
|
|
|
1629 |
"Helvetica",
|
|
|
1630 |
"Helvetica-Bold",
|
|
|
1631 |
"Helvetica-Oblique",
|
|
|
1632 |
"Helvetica-BoldOblique"
|
|
|
1633 |
};
|
|
|
1634 |
static const char *times_styles[4] = {
|
|
|
1635 |
"Times-Regular",
|
|
|
1636 |
"Times-Bold",
|
|
|
1637 |
"Times-Italic",
|
|
|
1638 |
"Times-BoldItalic"
|
|
|
1639 |
};
|
|
|
1640 |
static const char *courier_styles[4] = {
|
|
|
1641 |
"Courier",
|
|
|
1642 |
"Courier-Bold",
|
|
|
1643 |
"Courier-Oblique",
|
|
|
1644 |
"Courier-BoldOblique"
|
|
|
1645 |
};
|
|
|
1646 |
#endif
|
|
|
1647 |
|
|
|
1648 |
QByteArray QFontSubset::toType1() const
|
|
|
1649 |
{
|
|
|
1650 |
QFontEngine::Properties properties = fontEngine->properties();
|
|
|
1651 |
QVector<int> reverseMap = getReverseMap();
|
|
|
1652 |
|
|
|
1653 |
QByteArray font;
|
|
|
1654 |
QPdf::ByteStream s(&font);
|
|
|
1655 |
|
|
|
1656 |
QByteArray id = QByteArray::number(object_id);
|
|
|
1657 |
QByteArray psname = properties.postscriptName;
|
|
|
1658 |
psname.replace(' ', "");
|
|
|
1659 |
|
|
|
1660 |
standard_font = false;
|
|
|
1661 |
|
|
|
1662 |
#ifndef QT_NO_FREETYPE
|
|
|
1663 |
FT_Face face = ft_face(fontEngine);
|
|
|
1664 |
if (face && !FT_IS_SCALABLE(face)) {
|
|
|
1665 |
int style = 0;
|
|
|
1666 |
if (fontEngine->fontDef.style)
|
|
|
1667 |
style += 2;
|
|
|
1668 |
if (fontEngine->fontDef.weight >= QFont::Bold)
|
|
|
1669 |
style++;
|
|
|
1670 |
if (fontEngine->fontDef.family.contains(QLatin1String("Helvetica"))) {
|
|
|
1671 |
psname = helvetica_styles[style];
|
|
|
1672 |
standard_font = true;
|
|
|
1673 |
} else if (fontEngine->fontDef.family.contains(QLatin1String("Times"))) {
|
|
|
1674 |
psname = times_styles[style];
|
|
|
1675 |
standard_font = true;
|
|
|
1676 |
} else if (fontEngine->fontDef.family.contains(QLatin1String("Courier"))) {
|
|
|
1677 |
psname = courier_styles[style];
|
|
|
1678 |
standard_font = true;
|
|
|
1679 |
}
|
|
|
1680 |
}
|
|
|
1681 |
#endif
|
|
|
1682 |
s << "/F" << id << "-Base\n";
|
|
|
1683 |
if (standard_font) {
|
|
|
1684 |
s << '/' << psname << " findfont\n"
|
|
|
1685 |
"0 dict copy dup /NumGlyphs 0 put dup /CMap 256 array put def\n";
|
|
|
1686 |
} else {
|
|
|
1687 |
s << "<<\n";
|
|
|
1688 |
if(!psname.isEmpty())
|
|
|
1689 |
s << "/FontName /" << psname << '\n';
|
|
|
1690 |
s << "/FontInfo <</FsType " << (int)fontEngine->fsType << ">>\n"
|
|
|
1691 |
"/FontType 1\n"
|
|
|
1692 |
"/PaintType 0\n"
|
|
|
1693 |
"/FontMatrix [.001 0 0 .001 0 0]\n"
|
|
|
1694 |
"/FontBBox { 0 0 0 0 }\n"
|
|
|
1695 |
"/Private <<\n"
|
|
|
1696 |
"/password 5839\n"
|
|
|
1697 |
"/MinFeature {16 16}\n"
|
|
|
1698 |
"/BlueValues []\n"
|
|
|
1699 |
"/lenIV -1\n"
|
|
|
1700 |
">>\n"
|
|
|
1701 |
"/CharStrings << >>\n"
|
|
|
1702 |
"/NumGlyphs 0\n"
|
|
|
1703 |
"/CMap 256 array\n"
|
|
|
1704 |
">> def\n";
|
|
|
1705 |
}
|
|
|
1706 |
s << type1AddedGlyphs();
|
|
|
1707 |
downloaded_glyphs = glyph_indices.size();
|
|
|
1708 |
|
|
|
1709 |
return font;
|
|
|
1710 |
}
|
|
|
1711 |
|
|
|
1712 |
QByteArray QFontSubset::type1AddedGlyphs() const
|
|
|
1713 |
{
|
|
|
1714 |
if (downloaded_glyphs == glyph_indices.size())
|
|
|
1715 |
return QByteArray();
|
|
|
1716 |
|
|
|
1717 |
QFontEngine::Properties properties = fontEngine->properties();
|
|
|
1718 |
QVector<int> reverseMap = getReverseMap();
|
|
|
1719 |
QByteArray glyphs;
|
|
|
1720 |
QPdf::ByteStream s(&glyphs);
|
|
|
1721 |
|
|
|
1722 |
int nGlyphs = glyph_indices.size();
|
|
|
1723 |
QByteArray id = QByteArray::number(object_id);
|
|
|
1724 |
|
|
|
1725 |
s << 'F' << id << "-Base [\n";
|
|
|
1726 |
for (int i = downloaded_glyphs; i < nGlyphs; ++i) {
|
|
|
1727 |
glyph_t g = glyph_indices.at(i);
|
|
|
1728 |
QPainterPath path;
|
|
|
1729 |
glyph_metrics_t metric;
|
|
|
1730 |
fontEngine->getUnscaledGlyph(g, &path, &metric);
|
|
|
1731 |
QByteArray charstring = charString(path, metric.xoff.toReal(), metric.x.toReal(),
|
|
|
1732 |
properties.emSquare.toReal());
|
|
|
1733 |
s << glyphName(i, reverseMap);
|
|
|
1734 |
if (!standard_font)
|
|
|
1735 |
s << "\n<" << charstring << ">\n";
|
|
|
1736 |
}
|
|
|
1737 |
s << (standard_font ? "] T1AddMapping\n" : "] T1AddGlyphs\n");
|
|
|
1738 |
return glyphs;
|
|
|
1739 |
}
|
|
|
1740 |
|
|
|
1741 |
QT_END_NAMESPACE
|
|
|
1742 |
|
|
|
1743 |
#endif // QT_NO_PRINTER
|