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1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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4 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
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6 ** |
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7 ** This file is part of the QtGui module of the Qt Toolkit. |
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8 ** |
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9 ** $QT_BEGIN_LICENSE:LGPL$ |
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10 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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15 ** |
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16 ** GNU Lesser General Public License Usage |
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17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
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18 ** General Public License version 2.1 as published by the Free Software |
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19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
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20 ** packaging of this file. Please review the following information to |
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21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
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22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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23 ** |
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24 ** In addition, as a special exception, Nokia gives you certain additional |
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25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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27 ** |
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28 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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31 ** |
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32 ** |
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33 ** |
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34 ** |
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35 ** |
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36 ** |
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37 ** |
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38 ** $QT_END_LICENSE$ |
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39 ** |
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40 ****************************************************************************/ |
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41 |
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42 #include <qplatformdefs.h> |
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43 |
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44 #include <qdatetime.h> |
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45 #include <qdebug.h> |
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46 #include <qpaintdevice.h> |
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47 |
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48 #include <private/qt_x11_p.h> |
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49 #include "qx11info_x11.h" |
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50 #include <qdebug.h> |
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51 #include <qfile.h> |
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52 #include <qtemporaryfile.h> |
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53 #include <qabstractfileengine.h> |
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54 |
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55 #include <ctype.h> |
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56 #include <stdlib.h> |
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57 |
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58 #include <sys/types.h> |
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59 #include <sys/stat.h> |
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60 #include <fcntl.h> |
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61 #include <sys/mman.h> |
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62 |
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63 #include <private/qfontengine_x11_p.h> |
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64 |
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65 #ifndef QT_NO_FONTCONFIG |
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66 #include <ft2build.h> |
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67 #include FT_FREETYPE_H |
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68 |
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69 #if FC_VERSION >= 20402 |
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70 #include <fontconfig/fcfreetype.h> |
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71 #endif |
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72 #endif |
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73 |
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74 QT_BEGIN_NAMESPACE |
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75 |
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76 // from qfont_x11.cpp |
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77 extern double qt_pointSize(double pixelSize, int dpi); |
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78 extern double qt_pixelSize(double pointSize, int dpi); |
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79 |
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80 static inline void capitalize (char *s) |
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81 { |
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82 bool space = true; |
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83 while(*s) { |
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84 if (space) |
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85 *s = toupper(*s); |
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86 space = (*s == ' '); |
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87 ++s; |
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88 } |
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89 } |
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90 |
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91 |
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92 /* |
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93 To regenerate the writingSystems_for_xlfd_encoding table, run |
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94 'util/unicode/x11/makeencodings' and paste the generated |
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95 'encodings.c' here. |
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96 */ |
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97 // ----- begin of generated code ----- |
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98 |
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99 #define make_tag( c1, c2, c3, c4 ) \ |
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100 ((((unsigned int)c1)<<24) | (((unsigned int)c2)<<16) | \ |
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101 (((unsigned int)c3)<<8) | ((unsigned int)c4)) |
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102 |
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103 struct XlfdEncoding { |
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104 const char *name; |
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105 int id; |
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106 int mib; |
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107 unsigned int hash1; |
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108 unsigned int hash2; |
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109 }; |
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110 |
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111 static const XlfdEncoding xlfd_encoding[] = { |
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112 { "iso8859-1", 0, 4, make_tag('i','s','o','8'), make_tag('5','9','-','1') }, |
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113 { "iso8859-2", 1, 5, make_tag('i','s','o','8'), make_tag('5','9','-','2') }, |
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114 { "iso8859-3", 2, 6, make_tag('i','s','o','8'), make_tag('5','9','-','3') }, |
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115 { "iso8859-4", 3, 7, make_tag('i','s','o','8'), make_tag('5','9','-','4') }, |
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116 { "iso8859-9", 4, 12, make_tag('i','s','o','8'), make_tag('5','9','-','9') }, |
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117 { "iso8859-10", 5, 13, make_tag('i','s','o','8'), make_tag('9','-','1','0') }, |
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118 { "iso8859-13", 6, 109, make_tag('i','s','o','8'), make_tag('9','-','1','3') }, |
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119 { "iso8859-14", 7, 110, make_tag('i','s','o','8'), make_tag('9','-','1','4') }, |
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120 { "iso8859-15", 8, 111, make_tag('i','s','o','8'), make_tag('9','-','1','5') }, |
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121 { "hp-roman8", 9, 2004, make_tag('h','p','-','r'), make_tag('m','a','n','8') }, |
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122 { "iso8859-5", 10, 8, make_tag('i','s','o','8'), make_tag('5','9','-','5') }, |
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123 { "*-cp1251", 11, 2251, 0, make_tag('1','2','5','1') }, |
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124 { "koi8-ru", 12, 2084, make_tag('k','o','i','8'), make_tag('8','-','r','u') }, |
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125 { "koi8-u", 13, 2088, make_tag('k','o','i','8'), make_tag('i','8','-','u') }, |
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126 { "koi8-r", 14, 2084, make_tag('k','o','i','8'), make_tag('i','8','-','r') }, |
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127 { "iso8859-7", 15, 10, make_tag('i','s','o','8'), make_tag('5','9','-','7') }, |
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128 { "iso8859-8", 16, 85, make_tag('i','s','o','8'), make_tag('5','9','-','8') }, |
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129 { "gb18030-0", 17, -114, make_tag('g','b','1','8'), make_tag('3','0','-','0') }, |
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130 { "gb18030.2000-0", 18, -113, make_tag('g','b','1','8'), make_tag('0','0','-','0') }, |
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131 { "gbk-0", 19, -113, make_tag('g','b','k','-'), make_tag('b','k','-','0') }, |
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132 { "gb2312.*-0", 20, 57, make_tag('g','b','2','3'), 0 }, |
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133 { "jisx0201*-0", 21, 15, make_tag('j','i','s','x'), 0 }, |
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134 { "jisx0208*-0", 22, 63, make_tag('j','i','s','x'), 0 }, |
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135 { "ksc5601*-*", 23, 36, make_tag('k','s','c','5'), 0 }, |
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136 { "big5hkscs-0", 24, -2101, make_tag('b','i','g','5'), make_tag('c','s','-','0') }, |
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137 { "hkscs-1", 25, -2101, make_tag('h','k','s','c'), make_tag('c','s','-','1') }, |
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138 { "big5*-*", 26, -2026, make_tag('b','i','g','5'), 0 }, |
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139 { "tscii-*", 27, 2028, make_tag('t','s','c','i'), 0 }, |
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140 { "tis620*-*", 28, 2259, make_tag('t','i','s','6'), 0 }, |
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141 { "iso8859-11", 29, 2259, make_tag('i','s','o','8'), make_tag('9','-','1','1') }, |
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142 { "mulelao-1", 30, -4242, make_tag('m','u','l','e'), make_tag('a','o','-','1') }, |
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143 { "ethiopic-unicode", 31, 0, make_tag('e','t','h','i'), make_tag('c','o','d','e') }, |
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144 { "iso10646-1", 32, 0, make_tag('i','s','o','1'), make_tag('4','6','-','1') }, |
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145 { "unicode-*", 33, 0, make_tag('u','n','i','c'), 0 }, |
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146 { "*-symbol", 34, 0, 0, make_tag('m','b','o','l') }, |
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147 { "*-fontspecific", 35, 0, 0, make_tag('i','f','i','c') }, |
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148 { "fontspecific-*", 36, 0, make_tag('f','o','n','t'), 0 }, |
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149 { 0, 0, 0, 0, 0 } |
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150 }; |
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151 |
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152 static const char writingSystems_for_xlfd_encoding[sizeof(xlfd_encoding)][QFontDatabase::WritingSystemsCount] = { |
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153 // iso8859-1 |
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154 { 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, |
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155 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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156 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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157 0 }, |
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158 // iso8859-2 |
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159 { 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, |
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160 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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161 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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162 0 }, |
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163 // iso8859-3 |
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164 { 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, |
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165 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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166 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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167 0 }, |
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168 // iso8859-4 |
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169 { 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, |
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170 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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171 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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172 0 }, |
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173 // iso8859-9 |
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174 { 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, |
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175 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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176 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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177 0 }, |
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178 // iso8859-10 |
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179 { 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, |
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180 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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181 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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182 0 }, |
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183 // iso8859-13 |
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184 { 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, |
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185 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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186 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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187 0 }, |
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188 // iso8859-14 |
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189 { 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, |
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190 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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191 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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192 0 }, |
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193 // iso8859-15 |
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194 { 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, |
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195 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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196 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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197 0 }, |
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198 // hp-roman8 |
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199 { 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, |
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200 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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201 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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202 0 }, |
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203 // iso8859-5 |
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204 { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, |
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205 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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206 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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207 0 }, |
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208 // *-cp1251 |
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209 { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, |
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210 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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211 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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212 0 }, |
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213 // koi8-ru |
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214 { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, |
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215 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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216 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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217 0 }, |
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218 // koi8-u |
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219 { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, |
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220 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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221 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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222 0 }, |
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223 // koi8-r |
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224 { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, |
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225 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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226 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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227 0 }, |
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228 // iso8859-7 |
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229 { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, |
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230 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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231 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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232 0 }, |
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233 // iso8859-8 |
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234 { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, |
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235 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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236 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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237 0 }, |
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238 // gb18030-0 |
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239 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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240 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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241 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, |
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242 0 }, |
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243 // gb18030.2000-0 |
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244 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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245 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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246 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, |
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247 0 }, |
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248 // gbk-0 |
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249 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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250 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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251 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, |
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252 0 }, |
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253 // gb2312.*-0 |
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254 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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255 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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256 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, |
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257 0 }, |
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258 // jisx0201*-0 |
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259 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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260 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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261 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, |
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262 0 }, |
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263 // jisx0208*-0 |
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264 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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265 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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266 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, |
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267 0 }, |
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268 // ksc5601*-* |
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269 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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270 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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271 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, |
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272 0 }, |
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273 // big5hkscs-0 |
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274 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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275 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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276 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, |
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277 0 }, |
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278 // hkscs-1 |
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279 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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280 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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281 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, |
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282 0 }, |
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283 // big5*-* |
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284 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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285 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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286 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, |
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287 0 }, |
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288 // tscii-* |
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289 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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290 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, |
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291 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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292 0 }, |
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293 // tis620*-* |
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294 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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295 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, |
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296 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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297 0 }, |
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298 // iso8859-11 |
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299 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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300 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, |
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301 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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302 0 }, |
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303 // mulelao-1 |
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304 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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305 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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306 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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307 0 }, |
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308 // ethiopic-unicode |
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309 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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310 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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311 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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312 0 }, |
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313 // iso10646-1 |
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314 { 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, |
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315 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, |
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316 1, 1, 0, 1, 0, 1, 1, 0, 0, 0, |
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317 0 }, |
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318 // unicode-* |
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319 { 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, |
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320 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, |
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321 1, 1, 0, 1, 0, 1, 1, 0, 0, 0, |
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322 0 }, |
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323 // *-symbol |
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324 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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325 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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326 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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327 1 }, |
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328 // *-fontspecific |
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329 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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330 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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331 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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332 1 }, |
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333 // fontspecific-* |
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334 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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335 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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336 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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337 1 } |
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338 |
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339 }; |
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340 |
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341 // ----- end of generated code ----- |
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342 |
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343 |
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344 const int numEncodings = sizeof(xlfd_encoding) / sizeof(XlfdEncoding) - 1; |
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345 |
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346 int qt_xlfd_encoding_id(const char *encoding) |
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347 { |
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348 // qDebug("looking for encoding id for '%s'", encoding); |
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349 int len = strlen(encoding); |
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350 if (len < 4) |
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351 return -1; |
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352 unsigned int hash1 = make_tag(encoding[0], encoding[1], encoding[2], encoding[3]); |
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353 const char *ch = encoding + len - 4; |
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354 unsigned int hash2 = make_tag(ch[0], ch[1], ch[2], ch[3]); |
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355 |
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356 const XlfdEncoding *enc = xlfd_encoding; |
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357 for (; enc->name; ++enc) { |
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358 if ((enc->hash1 && enc->hash1 != hash1) || |
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359 (enc->hash2 && enc->hash2 != hash2)) |
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360 continue; |
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361 // hashes match, do a compare if strings match |
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362 // the enc->name can contain '*'s we have to interpret correctly |
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363 const char *n = enc->name; |
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364 const char *e = encoding; |
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365 while (1) { |
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366 // qDebug("bol: *e='%c', *n='%c'", *e, *n); |
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367 if (*e == '\0') { |
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368 if (*n) |
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369 break; |
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370 // qDebug("found encoding id %d", enc->id); |
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371 return enc->id; |
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372 } |
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373 if (*e == *n) { |
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374 ++e; |
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375 ++n; |
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376 continue; |
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377 } |
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378 if (*n != '*') |
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379 break; |
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380 ++n; |
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381 // qDebug("skip: *e='%c', *n='%c'", *e, *n); |
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382 while (*e && *e != *n) |
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383 ++e; |
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384 } |
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385 } |
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386 // qDebug("couldn't find encoding %s", encoding); |
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387 return -1; |
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388 } |
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389 |
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390 int qt_mib_for_xlfd_encoding(const char *encoding) |
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391 { |
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392 int id = qt_xlfd_encoding_id(encoding); |
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393 if (id != -1) return xlfd_encoding[id].mib; |
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394 return 0; |
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395 } |
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396 |
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397 int qt_encoding_id_for_mib(int mib) |
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398 { |
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399 const XlfdEncoding *enc = xlfd_encoding; |
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400 for (; enc->name; ++enc) { |
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401 if (enc->mib == mib) |
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402 return enc->id; |
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403 } |
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404 return -1; |
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405 } |
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406 |
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407 static const char * xlfd_for_id(int id) |
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408 { |
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409 // special case: -1 returns the "*-*" encoding, allowing us to do full |
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410 // database population in a single X server round trip. |
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411 if (id < 0 || id > numEncodings) |
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412 return "*-*"; |
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413 return xlfd_encoding[id].name; |
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414 } |
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415 |
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416 enum XLFDFieldNames { |
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417 Foundry, |
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418 Family, |
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419 Weight, |
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420 Slant, |
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421 Width, |
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422 AddStyle, |
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423 PixelSize, |
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424 PointSize, |
|
425 ResolutionX, |
|
426 ResolutionY, |
|
427 Spacing, |
|
428 AverageWidth, |
|
429 CharsetRegistry, |
|
430 CharsetEncoding, |
|
431 NFontFields |
|
432 }; |
|
433 |
|
434 // Splits an X font name into fields separated by '-' |
|
435 static bool parseXFontName(char *fontName, char **tokens) |
|
436 { |
|
437 if (! fontName || fontName[0] == '0' || fontName[0] != '-') { |
|
438 tokens[0] = 0; |
|
439 return false; |
|
440 } |
|
441 |
|
442 int i; |
|
443 ++fontName; |
|
444 for (i = 0; i < NFontFields && fontName && fontName[0]; ++i) { |
|
445 tokens[i] = fontName; |
|
446 for (;; ++fontName) { |
|
447 if (*fontName == '-') |
|
448 break; |
|
449 if (! *fontName) { |
|
450 fontName = 0; |
|
451 break; |
|
452 } |
|
453 } |
|
454 |
|
455 if (fontName) *fontName++ = '\0'; |
|
456 } |
|
457 |
|
458 if (i < NFontFields) { |
|
459 for (int j = i ; j < NFontFields; ++j) |
|
460 tokens[j] = 0; |
|
461 return false; |
|
462 } |
|
463 |
|
464 return true; |
|
465 } |
|
466 |
|
467 static inline bool isZero(char *x) |
|
468 { |
|
469 return (x[0] == '0' && x[1] == 0); |
|
470 } |
|
471 |
|
472 static inline bool isScalable(char **tokens) |
|
473 { |
|
474 return (isZero(tokens[PixelSize]) && |
|
475 isZero(tokens[PointSize]) && |
|
476 isZero(tokens[AverageWidth])); |
|
477 } |
|
478 |
|
479 static inline bool isSmoothlyScalable(char **tokens) |
|
480 { |
|
481 return (isZero(tokens[ResolutionX]) && |
|
482 isZero(tokens[ResolutionY])); |
|
483 } |
|
484 |
|
485 static inline bool isFixedPitch(char **tokens) |
|
486 { |
|
487 return (tokens[Spacing][0] == 'm' || |
|
488 tokens[Spacing][0] == 'c' || |
|
489 tokens[Spacing][0] == 'M' || |
|
490 tokens[Spacing][0] == 'C'); |
|
491 } |
|
492 |
|
493 /* |
|
494 Fills in a font definition (QFontDef) from an XLFD (X Logical Font |
|
495 Description). |
|
496 |
|
497 Returns true if the given xlfd is valid. |
|
498 */ |
|
499 bool qt_fillFontDef(const QByteArray &xlfd, QFontDef *fd, int dpi, QtFontDesc *desc) |
|
500 { |
|
501 char *tokens[NFontFields]; |
|
502 QByteArray buffer = xlfd; |
|
503 if (! parseXFontName(buffer.data(), tokens)) |
|
504 return false; |
|
505 |
|
506 capitalize(tokens[Family]); |
|
507 capitalize(tokens[Foundry]); |
|
508 |
|
509 fd->styleStrategy |= QFont::NoAntialias; |
|
510 fd->family = QString::fromLatin1(tokens[Family]); |
|
511 QString foundry = QString::fromLatin1(tokens[Foundry]); |
|
512 if (! foundry.isEmpty() && foundry != QLatin1String("*") && (!desc || desc->family->count > 1)) |
|
513 fd->family += |
|
514 QLatin1String(" [") + foundry + QLatin1Char(']'); |
|
515 |
|
516 if (qstrlen(tokens[AddStyle]) > 0) |
|
517 fd->addStyle = QString::fromLatin1(tokens[AddStyle]); |
|
518 else |
|
519 fd->addStyle.clear(); |
|
520 |
|
521 fd->pointSize = atoi(tokens[PointSize])/10.; |
|
522 fd->styleHint = QFont::AnyStyle; // ### any until we match families |
|
523 |
|
524 char slant = tolower((uchar) tokens[Slant][0]); |
|
525 fd->style = (slant == 'o' ? QFont::StyleOblique : (slant == 'i' ? QFont::StyleItalic : QFont::StyleNormal)); |
|
526 char fixed = tolower((uchar) tokens[Spacing][0]); |
|
527 fd->fixedPitch = (fixed == 'm' || fixed == 'c'); |
|
528 fd->weight = getFontWeight(QLatin1String(tokens[Weight])); |
|
529 |
|
530 int r = atoi(tokens[ResolutionY]); |
|
531 fd->pixelSize = atoi(tokens[PixelSize]); |
|
532 // not "0" or "*", or required DPI |
|
533 if (r && fd->pixelSize && r != dpi) { |
|
534 // calculate actual pointsize for display DPI |
|
535 fd->pointSize = qt_pointSize(fd->pixelSize, dpi); |
|
536 } else if (fd->pixelSize == 0 && fd->pointSize) { |
|
537 // calculate pixel size from pointsize/dpi |
|
538 fd->pixelSize = qRound(qt_pixelSize(fd->pointSize, dpi)); |
|
539 } |
|
540 |
|
541 return true; |
|
542 } |
|
543 |
|
544 /* |
|
545 Fills in a font definition (QFontDef) from the font properties in an |
|
546 XFontStruct. |
|
547 |
|
548 Returns true if the QFontDef could be filled with properties from |
|
549 the XFontStruct. |
|
550 */ |
|
551 static bool qt_fillFontDef(XFontStruct *fs, QFontDef *fd, int dpi, QtFontDesc *desc) |
|
552 { |
|
553 unsigned long value; |
|
554 if (!fs || !XGetFontProperty(fs, XA_FONT, &value)) |
|
555 return false; |
|
556 |
|
557 char *n = XGetAtomName(QX11Info::display(), value); |
|
558 QByteArray xlfd(n); |
|
559 if (n) |
|
560 XFree(n); |
|
561 return qt_fillFontDef(xlfd.toLower(), fd, dpi, desc); |
|
562 } |
|
563 |
|
564 |
|
565 static QtFontStyle::Key getStyle(char ** tokens) |
|
566 { |
|
567 QtFontStyle::Key key; |
|
568 |
|
569 char slant0 = tolower((uchar) tokens[Slant][0]); |
|
570 |
|
571 if (slant0 == 'r') { |
|
572 if (tokens[Slant][1]) { |
|
573 char slant1 = tolower((uchar) tokens[Slant][1]); |
|
574 |
|
575 if (slant1 == 'o') |
|
576 key.style = QFont::StyleOblique; |
|
577 else if (slant1 == 'i') |
|
578 key.style = QFont::StyleItalic; |
|
579 } |
|
580 } else if (slant0 == 'o') |
|
581 key.style = QFont::StyleOblique; |
|
582 else if (slant0 == 'i') |
|
583 key.style = QFont::StyleItalic; |
|
584 |
|
585 key.weight = getFontWeight(QLatin1String(tokens[Weight])); |
|
586 |
|
587 if (qstrcmp(tokens[Width], "normal") == 0) { |
|
588 key.stretch = 100; |
|
589 } else if (qstrcmp(tokens[Width], "semi condensed") == 0 || |
|
590 qstrcmp(tokens[Width], "semicondensed") == 0) { |
|
591 key.stretch = 90; |
|
592 } else if (qstrcmp(tokens[Width], "condensed") == 0) { |
|
593 key.stretch = 80; |
|
594 } else if (qstrcmp(tokens[Width], "narrow") == 0) { |
|
595 key.stretch = 60; |
|
596 } |
|
597 |
|
598 return key; |
|
599 } |
|
600 |
|
601 |
|
602 static bool xlfdsFullyLoaded = false; |
|
603 static unsigned char encodingLoaded[numEncodings]; |
|
604 |
|
605 static void loadXlfds(const char *reqFamily, int encoding_id) |
|
606 { |
|
607 QFontDatabasePrivate *db = privateDb(); |
|
608 QtFontFamily *fontFamily = reqFamily ? db->family(QLatin1String(reqFamily)) : 0; |
|
609 |
|
610 // make sure we don't load twice |
|
611 if ((encoding_id == -1 && xlfdsFullyLoaded) |
|
612 || (encoding_id != -1 && encodingLoaded[encoding_id])) |
|
613 return; |
|
614 if (fontFamily && fontFamily->xlfdLoaded) |
|
615 return; |
|
616 |
|
617 int fontCount; |
|
618 // force the X server to give us XLFDs |
|
619 QByteArray xlfd_pattern("-*-"); |
|
620 xlfd_pattern += (reqFamily && reqFamily[0] != '\0') ? reqFamily : "*"; |
|
621 xlfd_pattern += "-*-*-*-*-*-*-*-*-*-*-"; |
|
622 xlfd_pattern += xlfd_for_id(encoding_id); |
|
623 |
|
624 char **fontList = XListFonts(QX11Info::display(), |
|
625 xlfd_pattern, |
|
626 0xffff, &fontCount); |
|
627 // qDebug("requesting xlfd='%s', got %d fonts", xlfd_pattern.data(), fontCount); |
|
628 |
|
629 |
|
630 char *tokens[NFontFields]; |
|
631 |
|
632 for(int i = 0 ; i < fontCount ; i++) { |
|
633 if (! parseXFontName(fontList[i], tokens)) |
|
634 continue; |
|
635 |
|
636 // get the encoding_id for this xlfd. we need to do this |
|
637 // here, since we can pass -1 to this function to do full |
|
638 // database population |
|
639 *(tokens[CharsetEncoding] - 1) = '-'; |
|
640 int encoding_id = qt_xlfd_encoding_id(tokens[CharsetRegistry]); |
|
641 if (encoding_id == -1) |
|
642 continue; |
|
643 |
|
644 char *familyName = tokens[Family]; |
|
645 capitalize(familyName); |
|
646 char *foundryName = tokens[Foundry]; |
|
647 capitalize(foundryName); |
|
648 QtFontStyle::Key styleKey = getStyle(tokens); |
|
649 |
|
650 bool smooth_scalable = false; |
|
651 bool bitmap_scalable = false; |
|
652 if (isScalable(tokens)) { |
|
653 if (isSmoothlyScalable(tokens)) |
|
654 smooth_scalable = true; |
|
655 else |
|
656 bitmap_scalable = true; |
|
657 } |
|
658 uint pixelSize = atoi(tokens[PixelSize]); |
|
659 uint xpointSize = atoi(tokens[PointSize]); |
|
660 uint xres = atoi(tokens[ResolutionX]); |
|
661 uint yres = atoi(tokens[ResolutionY]); |
|
662 uint avgwidth = atoi(tokens[AverageWidth]); |
|
663 bool fixedPitch = isFixedPitch(tokens); |
|
664 |
|
665 if (avgwidth == 0 && pixelSize != 0) { |
|
666 /* |
|
667 Ignore bitmap scalable fonts that are automatically |
|
668 generated by some X servers. We know they are bitmap |
|
669 scalable because even though they have a specified pixel |
|
670 size, the average width is zero. |
|
671 */ |
|
672 continue; |
|
673 } |
|
674 |
|
675 QtFontFamily *family = fontFamily ? fontFamily : db->family(QLatin1String(familyName), true); |
|
676 family->fontFileIndex = -1; |
|
677 family->symbol_checked = true; |
|
678 QtFontFoundry *foundry = family->foundry(QLatin1String(foundryName), true); |
|
679 QtFontStyle *style = foundry->style(styleKey, true); |
|
680 |
|
681 delete [] style->weightName; |
|
682 style->weightName = qstrdup(tokens[Weight]); |
|
683 delete [] style->setwidthName; |
|
684 style->setwidthName = qstrdup(tokens[Width]); |
|
685 |
|
686 if (smooth_scalable) { |
|
687 style->smoothScalable = true; |
|
688 style->bitmapScalable = false; |
|
689 pixelSize = SMOOTH_SCALABLE; |
|
690 } |
|
691 if (!style->smoothScalable && bitmap_scalable) |
|
692 style->bitmapScalable = true; |
|
693 if (!fixedPitch) |
|
694 family->fixedPitch = false; |
|
695 |
|
696 QtFontSize *size = style->pixelSize(pixelSize, true); |
|
697 QtFontEncoding *enc = |
|
698 size->encodingID(encoding_id, xpointSize, xres, yres, avgwidth, true); |
|
699 enc->pitch = *tokens[Spacing]; |
|
700 if (!enc->pitch) enc->pitch = '*'; |
|
701 |
|
702 for (int i = 0; i < QFontDatabase::WritingSystemsCount; ++i) { |
|
703 if (writingSystems_for_xlfd_encoding[encoding_id][i]) |
|
704 family->writingSystems[i] = QtFontFamily::Supported; |
|
705 } |
|
706 } |
|
707 if (!reqFamily) { |
|
708 // mark encoding as loaded |
|
709 if (encoding_id == -1) |
|
710 xlfdsFullyLoaded = true; |
|
711 else |
|
712 encodingLoaded[encoding_id] = true; |
|
713 } |
|
714 |
|
715 XFreeFontNames(fontList); |
|
716 } |
|
717 |
|
718 |
|
719 #ifndef QT_NO_FONTCONFIG |
|
720 |
|
721 #ifndef FC_WIDTH |
|
722 #define FC_WIDTH "width" |
|
723 #endif |
|
724 |
|
725 static int getFCWeight(int fc_weight) |
|
726 { |
|
727 int qtweight = QFont::Black; |
|
728 if (fc_weight <= (FC_WEIGHT_LIGHT + FC_WEIGHT_MEDIUM) / 2) |
|
729 qtweight = QFont::Light; |
|
730 else if (fc_weight <= (FC_WEIGHT_MEDIUM + FC_WEIGHT_DEMIBOLD) / 2) |
|
731 qtweight = QFont::Normal; |
|
732 else if (fc_weight <= (FC_WEIGHT_DEMIBOLD + FC_WEIGHT_BOLD) / 2) |
|
733 qtweight = QFont::DemiBold; |
|
734 else if (fc_weight <= (FC_WEIGHT_BOLD + FC_WEIGHT_BLACK) / 2) |
|
735 qtweight = QFont::Bold; |
|
736 |
|
737 return qtweight; |
|
738 } |
|
739 |
|
740 QFontDef qt_FcPatternToQFontDef(FcPattern *pattern, const QFontDef &request) |
|
741 { |
|
742 QFontDef fontDef; |
|
743 fontDef.styleStrategy = request.styleStrategy; |
|
744 |
|
745 FcChar8 *value = 0; |
|
746 if (FcPatternGetString(pattern, FC_FAMILY, 0, &value) == FcResultMatch) { |
|
747 fontDef.family = QString::fromUtf8(reinterpret_cast<const char *>(value)); |
|
748 } |
|
749 |
|
750 double dpi; |
|
751 if (FcPatternGetDouble(pattern, FC_DPI, 0, &dpi) != FcResultMatch) { |
|
752 if (X11->display) |
|
753 dpi = QX11Info::appDpiY(); |
|
754 else |
|
755 dpi = qt_defaultDpiY(); |
|
756 } |
|
757 |
|
758 double size; |
|
759 if (FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &size) == FcResultMatch) |
|
760 fontDef.pixelSize = qRound(size); |
|
761 else |
|
762 fontDef.pixelSize = 12; |
|
763 |
|
764 fontDef.pointSize = qt_pointSize(fontDef.pixelSize, qRound(dpi)); |
|
765 |
|
766 /* ### |
|
767 fontDef.styleHint |
|
768 */ |
|
769 |
|
770 int weight; |
|
771 if (FcPatternGetInteger(pattern, FC_WEIGHT, 0, &weight) != FcResultMatch) |
|
772 weight = FC_WEIGHT_MEDIUM; |
|
773 fontDef.weight = getFCWeight(weight); |
|
774 |
|
775 int slant; |
|
776 if (FcPatternGetInteger(pattern, FC_SLANT, 0, &slant) != FcResultMatch) |
|
777 slant = FC_SLANT_ROMAN; |
|
778 fontDef.style = (slant == FC_SLANT_ITALIC) |
|
779 ? QFont::StyleItalic |
|
780 : ((slant == FC_SLANT_OBLIQUE) |
|
781 ? QFont::StyleOblique |
|
782 : QFont::StyleNormal); |
|
783 |
|
784 |
|
785 FcBool scalable; |
|
786 if (FcPatternGetBool(pattern, FC_SCALABLE, 0, &scalable) != FcResultMatch) |
|
787 scalable = false; |
|
788 if (scalable) { |
|
789 fontDef.stretch = request.stretch; |
|
790 fontDef.style = request.style; |
|
791 } else { |
|
792 int width; |
|
793 if (FcPatternGetInteger(pattern, FC_WIDTH, 0, &width) == FcResultMatch) |
|
794 fontDef.stretch = width; |
|
795 else |
|
796 fontDef.stretch = 100; |
|
797 } |
|
798 |
|
799 int spacing; |
|
800 if (FcPatternGetInteger(pattern, FC_SPACING, 0, &spacing) == FcResultMatch) { |
|
801 fontDef.fixedPitch = (spacing >= FC_MONO); |
|
802 fontDef.ignorePitch = false; |
|
803 } else { |
|
804 fontDef.ignorePitch = true; |
|
805 } |
|
806 |
|
807 return fontDef; |
|
808 } |
|
809 |
|
810 static const char *specialLanguages[] = { |
|
811 "en", // Common |
|
812 "el", // Greek |
|
813 "ru", // Cyrillic |
|
814 "hy", // Armenian |
|
815 "he", // Hebrew |
|
816 "ar", // Arabic |
|
817 "syr", // Syriac |
|
818 "div", // Thaana |
|
819 "hi", // Devanagari |
|
820 "bn", // Bengali |
|
821 "pa", // Gurmukhi |
|
822 "gu", // Gujarati |
|
823 "or", // Oriya |
|
824 "ta", // Tamil |
|
825 "te", // Telugu |
|
826 "kn", // Kannada |
|
827 "ml", // Malayalam |
|
828 "si", // Sinhala |
|
829 "th", // Thai |
|
830 "lo", // Lao |
|
831 "bo", // Tibetan |
|
832 "my", // Myanmar |
|
833 "ka", // Georgian |
|
834 "ko", // Hangul |
|
835 "", // Ogham |
|
836 "", // Runic |
|
837 "km" // Khmer |
|
838 }; |
|
839 enum { SpecialLanguageCount = sizeof(specialLanguages) / sizeof(const char *) }; |
|
840 |
|
841 static const ushort specialChars[] = { |
|
842 0, // English |
|
843 0, // Greek |
|
844 0, // Cyrillic |
|
845 0, // Armenian |
|
846 0, // Hebrew |
|
847 0, // Arabic |
|
848 0, // Syriac |
|
849 0, // Thaana |
|
850 0, // Devanagari |
|
851 0, // Bengali |
|
852 0, // Gurmukhi |
|
853 0, // Gujarati |
|
854 0, // Oriya |
|
855 0, // Tamil |
|
856 0xc15, // Telugu |
|
857 0xc95, // Kannada |
|
858 0xd15, // Malayalam |
|
859 0xd9a, // Sinhala |
|
860 0, // Thai |
|
861 0, // Lao |
|
862 0, // Tibetan |
|
863 0x1000, // Myanmar |
|
864 0, // Georgian |
|
865 0, // Hangul |
|
866 0x1681, // Ogham |
|
867 0x16a0, // Runic |
|
868 0 // Khmer |
|
869 }; |
|
870 enum { SpecialCharCount = sizeof(specialChars) / sizeof(ushort) }; |
|
871 |
|
872 // this could become a list of all languages used for each writing |
|
873 // system, instead of using the single most common language. |
|
874 static const char *languageForWritingSystem[] = { |
|
875 0, // Any |
|
876 "en", // Latin |
|
877 "el", // Greek |
|
878 "ru", // Cyrillic |
|
879 "hy", // Armenian |
|
880 "he", // Hebrew |
|
881 "ar", // Arabic |
|
882 "syr", // Syriac |
|
883 "div", // Thaana |
|
884 "hi", // Devanagari |
|
885 "bn", // Bengali |
|
886 "pa", // Gurmukhi |
|
887 "gu", // Gujarati |
|
888 "or", // Oriya |
|
889 "ta", // Tamil |
|
890 "te", // Telugu |
|
891 "kn", // Kannada |
|
892 "ml", // Malayalam |
|
893 "si", // Sinhala |
|
894 "th", // Thai |
|
895 "lo", // Lao |
|
896 "bo", // Tibetan |
|
897 "my", // Myanmar |
|
898 "ka", // Georgian |
|
899 "km", // Khmer |
|
900 "zh-cn", // SimplifiedChinese |
|
901 "zh-tw", // TraditionalChinese |
|
902 "ja", // Japanese |
|
903 "ko", // Korean |
|
904 "vi", // Vietnamese |
|
905 0, // Symbol |
|
906 0, // Ogham |
|
907 0 // Runic |
|
908 }; |
|
909 enum { LanguageCount = sizeof(languageForWritingSystem) / sizeof(const char *) }; |
|
910 |
|
911 // Unfortunately FontConfig doesn't know about some languages. We have to test these through the |
|
912 // charset. The lists below contain the systems where we need to do this. |
|
913 static const ushort sampleCharForWritingSystem[] = { |
|
914 0, // Any |
|
915 0, // Latin |
|
916 0, // Greek |
|
917 0, // Cyrillic |
|
918 0, // Armenian |
|
919 0, // Hebrew |
|
920 0, // Arabic |
|
921 0, // Syriac |
|
922 0, // Thaana |
|
923 0, // Devanagari |
|
924 0, // Bengali |
|
925 0, // Gurmukhi |
|
926 0, // Gujarati |
|
927 0, // Oriya |
|
928 0, // Tamil |
|
929 0xc15, // Telugu |
|
930 0xc95, // Kannada |
|
931 0xd15, // Malayalam |
|
932 0xd9a, // Sinhala |
|
933 0, // Thai |
|
934 0, // Lao |
|
935 0, // Tibetan |
|
936 0x1000, // Myanmar |
|
937 0, // Georgian |
|
938 0, // Khmer |
|
939 0, // SimplifiedChinese |
|
940 0, // TraditionalChinese |
|
941 0, // Japanese |
|
942 0, // Korean |
|
943 0, // Vietnamese |
|
944 0, // Symbol |
|
945 0x1681, // Ogham |
|
946 0x16a0 // Runic |
|
947 }; |
|
948 enum { SampleCharCount = sizeof(sampleCharForWritingSystem) / sizeof(ushort) }; |
|
949 |
|
950 // Newer FontConfig let's us sort out fonts that contain certain glyphs, but no |
|
951 // open type tables for is directly. Do this so we don't pick some strange |
|
952 // pseudo unicode font |
|
953 static const char *openType[] = { |
|
954 0, // Any |
|
955 0, // Latin |
|
956 0, // Greek |
|
957 0, // Cyrillic |
|
958 0, // Armenian |
|
959 0, // Hebrew |
|
960 0, // Arabic |
|
961 "syrc", // Syriac |
|
962 "thaa", // Thaana |
|
963 "deva", // Devanagari |
|
964 "beng", // Bengali |
|
965 "guru", // Gurmukhi |
|
966 "gurj", // Gujarati |
|
967 "orya", // Oriya |
|
968 "taml", // Tamil |
|
969 "telu", // Telugu |
|
970 "knda", // Kannada |
|
971 "mlym", // Malayalam |
|
972 "sinh", // Sinhala |
|
973 0, // Thai |
|
974 0, // Lao |
|
975 "tibt", // Tibetan |
|
976 "mymr", // Myanmar |
|
977 0, // Georgian |
|
978 "khmr", // Khmer |
|
979 0, // SimplifiedChinese |
|
980 0, // TraditionalChinese |
|
981 0, // Japanese |
|
982 0, // Korean |
|
983 0, // Vietnamese |
|
984 0, // Symbol |
|
985 0, // Ogham |
|
986 0 // Runic |
|
987 }; |
|
988 enum { OpenTypeCount = sizeof(openType) / sizeof(const char *) }; |
|
989 |
|
990 |
|
991 static void loadFontConfig() |
|
992 { |
|
993 Q_ASSERT_X(X11, "QFontDatabase", |
|
994 "A QApplication object needs to be constructed before FontConfig is used."); |
|
995 if (!X11->has_fontconfig) |
|
996 return; |
|
997 |
|
998 Q_ASSERT_X(int(QUnicodeTables::ScriptCount) == SpecialLanguageCount, |
|
999 "QFontDatabase", "New scripts have been added."); |
|
1000 Q_ASSERT_X(int(QUnicodeTables::ScriptCount) == SpecialCharCount, |
|
1001 "QFontDatabase", "New scripts have been added."); |
|
1002 Q_ASSERT_X(int(QFontDatabase::WritingSystemsCount) == LanguageCount, |
|
1003 "QFontDatabase", "New writing systems have been added."); |
|
1004 Q_ASSERT_X(int(QFontDatabase::WritingSystemsCount) == SampleCharCount, |
|
1005 "QFontDatabase", "New writing systems have been added."); |
|
1006 Q_ASSERT_X(int(QFontDatabase::WritingSystemsCount) == OpenTypeCount, |
|
1007 "QFontDatabase", "New writing systems have been added."); |
|
1008 |
|
1009 QFontDatabasePrivate *db = privateDb(); |
|
1010 FcFontSet *fonts; |
|
1011 |
|
1012 QString familyName; |
|
1013 FcChar8 *value = 0; |
|
1014 int weight_value; |
|
1015 int slant_value; |
|
1016 int spacing_value; |
|
1017 FcChar8 *file_value; |
|
1018 int index_value; |
|
1019 FcChar8 *foundry_value; |
|
1020 FcBool scalable; |
|
1021 |
|
1022 { |
|
1023 FcObjectSet *os = FcObjectSetCreate(); |
|
1024 FcPattern *pattern = FcPatternCreate(); |
|
1025 const char *properties [] = { |
|
1026 FC_FAMILY, FC_WEIGHT, FC_SLANT, |
|
1027 FC_SPACING, FC_FILE, FC_INDEX, |
|
1028 FC_LANG, FC_CHARSET, FC_FOUNDRY, FC_SCALABLE, FC_PIXEL_SIZE, FC_WEIGHT, |
|
1029 FC_WIDTH, |
|
1030 #if FC_VERSION >= 20297 |
|
1031 FC_CAPABILITY, |
|
1032 #endif |
|
1033 (const char *)0 |
|
1034 }; |
|
1035 const char **p = properties; |
|
1036 while (*p) { |
|
1037 FcObjectSetAdd(os, *p); |
|
1038 ++p; |
|
1039 } |
|
1040 fonts = FcFontList(0, pattern, os); |
|
1041 FcObjectSetDestroy(os); |
|
1042 FcPatternDestroy(pattern); |
|
1043 } |
|
1044 |
|
1045 for (int i = 0; i < fonts->nfont; i++) { |
|
1046 if (FcPatternGetString(fonts->fonts[i], FC_FAMILY, 0, &value) != FcResultMatch) |
|
1047 continue; |
|
1048 // capitalize(value); |
|
1049 familyName = QString::fromUtf8((const char *)value); |
|
1050 slant_value = FC_SLANT_ROMAN; |
|
1051 weight_value = FC_WEIGHT_MEDIUM; |
|
1052 spacing_value = FC_PROPORTIONAL; |
|
1053 file_value = 0; |
|
1054 index_value = 0; |
|
1055 scalable = FcTrue; |
|
1056 |
|
1057 if (FcPatternGetInteger (fonts->fonts[i], FC_SLANT, 0, &slant_value) != FcResultMatch) |
|
1058 slant_value = FC_SLANT_ROMAN; |
|
1059 if (FcPatternGetInteger (fonts->fonts[i], FC_WEIGHT, 0, &weight_value) != FcResultMatch) |
|
1060 weight_value = FC_WEIGHT_MEDIUM; |
|
1061 if (FcPatternGetInteger (fonts->fonts[i], FC_SPACING, 0, &spacing_value) != FcResultMatch) |
|
1062 spacing_value = FC_PROPORTIONAL; |
|
1063 if (FcPatternGetString (fonts->fonts[i], FC_FILE, 0, &file_value) != FcResultMatch) |
|
1064 file_value = 0; |
|
1065 if (FcPatternGetInteger (fonts->fonts[i], FC_INDEX, 0, &index_value) != FcResultMatch) |
|
1066 index_value = 0; |
|
1067 if (FcPatternGetBool(fonts->fonts[i], FC_SCALABLE, 0, &scalable) != FcResultMatch) |
|
1068 scalable = FcTrue; |
|
1069 if (FcPatternGetString(fonts->fonts[i], FC_FOUNDRY, 0, &foundry_value) != FcResultMatch) |
|
1070 foundry_value = 0; |
|
1071 QtFontFamily *family = db->family(familyName, true); |
|
1072 |
|
1073 FcLangSet *langset = 0; |
|
1074 FcResult res = FcPatternGetLangSet(fonts->fonts[i], FC_LANG, 0, &langset); |
|
1075 if (res == FcResultMatch) { |
|
1076 for (int i = 1; i < LanguageCount; ++i) { |
|
1077 const FcChar8 *lang = (const FcChar8*) languageForWritingSystem[i]; |
|
1078 if (!lang) { |
|
1079 family->writingSystems[i] |= QtFontFamily::UnsupportedFT; |
|
1080 } else { |
|
1081 FcLangResult langRes = FcLangSetHasLang(langset, lang); |
|
1082 if (langRes != FcLangDifferentLang) |
|
1083 family->writingSystems[i] = QtFontFamily::Supported; |
|
1084 else |
|
1085 family->writingSystems[i] |= QtFontFamily::UnsupportedFT; |
|
1086 } |
|
1087 } |
|
1088 family->writingSystems[QFontDatabase::Other] = QtFontFamily::UnsupportedFT; |
|
1089 family->ftWritingSystemCheck = true; |
|
1090 } else { |
|
1091 // we set Other to supported for symbol fonts. It makes no |
|
1092 // sense to merge these with other ones, as they are |
|
1093 // special in a way. |
|
1094 for (int i = 1; i < LanguageCount; ++i) |
|
1095 family->writingSystems[i] |= QtFontFamily::UnsupportedFT; |
|
1096 family->writingSystems[QFontDatabase::Other] = QtFontFamily::Supported; |
|
1097 } |
|
1098 |
|
1099 FcCharSet *cs = 0; |
|
1100 res = FcPatternGetCharSet(fonts->fonts[i], FC_CHARSET, 0, &cs); |
|
1101 if (res == FcResultMatch) { |
|
1102 // some languages are not supported by FontConfig, we rather check the |
|
1103 // charset to detect these |
|
1104 for (int i = 1; i < SampleCharCount; ++i) { |
|
1105 if (!sampleCharForWritingSystem[i]) |
|
1106 continue; |
|
1107 if (FcCharSetHasChar(cs, sampleCharForWritingSystem[i])) |
|
1108 family->writingSystems[i] = QtFontFamily::Supported; |
|
1109 } |
|
1110 } |
|
1111 |
|
1112 #if FC_VERSION >= 20297 |
|
1113 for (int j = 1; j < LanguageCount; ++j) { |
|
1114 if (family->writingSystems[j] == QtFontFamily::Supported && requiresOpenType(j) && openType[j]) { |
|
1115 FcChar8 *cap; |
|
1116 res = FcPatternGetString (fonts->fonts[i], FC_CAPABILITY, 0, &cap); |
|
1117 if (res != FcResultMatch || !strstr((const char *)cap, openType[j])) |
|
1118 family->writingSystems[j] = QtFontFamily::UnsupportedFT; |
|
1119 } |
|
1120 } |
|
1121 #endif |
|
1122 |
|
1123 QByteArray file((const char *)file_value); |
|
1124 family->fontFilename = file; |
|
1125 family->fontFileIndex = index_value; |
|
1126 |
|
1127 QtFontStyle::Key styleKey; |
|
1128 styleKey.style = (slant_value == FC_SLANT_ITALIC) |
|
1129 ? QFont::StyleItalic |
|
1130 : ((slant_value == FC_SLANT_OBLIQUE) |
|
1131 ? QFont::StyleOblique |
|
1132 : QFont::StyleNormal); |
|
1133 styleKey.weight = getFCWeight(weight_value); |
|
1134 if (!scalable) { |
|
1135 int width = 100; |
|
1136 FcPatternGetInteger (fonts->fonts[i], FC_WIDTH, 0, &width); |
|
1137 styleKey.stretch = width; |
|
1138 } |
|
1139 |
|
1140 QtFontFoundry *foundry |
|
1141 = family->foundry(foundry_value ? QString::fromUtf8((const char *)foundry_value) : QString(), true); |
|
1142 QtFontStyle *style = foundry->style(styleKey, true); |
|
1143 |
|
1144 if (spacing_value < FC_MONO) |
|
1145 family->fixedPitch = false; |
|
1146 |
|
1147 QtFontSize *size; |
|
1148 if (scalable) { |
|
1149 style->smoothScalable = true; |
|
1150 size = style->pixelSize(SMOOTH_SCALABLE, true); |
|
1151 } else { |
|
1152 double pixel_size = 0; |
|
1153 FcPatternGetDouble (fonts->fonts[i], FC_PIXEL_SIZE, 0, &pixel_size); |
|
1154 size = style->pixelSize((int)pixel_size, true); |
|
1155 } |
|
1156 QtFontEncoding *enc = size->encodingID(-1, 0, 0, 0, 0, true); |
|
1157 enc->pitch = (spacing_value >= FC_CHARCELL ? 'c' : |
|
1158 (spacing_value >= FC_MONO ? 'm' : 'p')); |
|
1159 } |
|
1160 |
|
1161 FcFontSetDestroy (fonts); |
|
1162 |
|
1163 struct FcDefaultFont { |
|
1164 const char *qtname; |
|
1165 const char *rawname; |
|
1166 bool fixed; |
|
1167 }; |
|
1168 const FcDefaultFont defaults[] = { |
|
1169 { "Serif", "serif", false }, |
|
1170 { "Sans Serif", "sans-serif", false }, |
|
1171 { "Monospace", "monospace", true }, |
|
1172 { 0, 0, false } |
|
1173 }; |
|
1174 const FcDefaultFont *f = defaults; |
|
1175 while (f->qtname) { |
|
1176 QtFontFamily *family = db->family(QLatin1String(f->qtname), true); |
|
1177 family->fixedPitch = f->fixed; |
|
1178 family->synthetic = true; |
|
1179 QtFontFoundry *foundry = family->foundry(QString(), true); |
|
1180 |
|
1181 // aliases only make sense for 'common', not for any of the specials |
|
1182 for (int i = 1; i < LanguageCount; ++i) { |
|
1183 if (requiresOpenType(i)) |
|
1184 family->writingSystems[i] = QtFontFamily::UnsupportedFT; |
|
1185 else |
|
1186 family->writingSystems[i] = QtFontFamily::Supported; |
|
1187 } |
|
1188 family->writingSystems[QFontDatabase::Other] = QtFontFamily::UnsupportedFT; |
|
1189 |
|
1190 QtFontStyle::Key styleKey; |
|
1191 for (int i = 0; i < 4; ++i) { |
|
1192 styleKey.style = (i%2) ? QFont::StyleNormal : QFont::StyleItalic; |
|
1193 styleKey.weight = (i > 1) ? QFont::Bold : QFont::Normal; |
|
1194 QtFontStyle *style = foundry->style(styleKey, true); |
|
1195 style->smoothScalable = true; |
|
1196 QtFontSize *size = style->pixelSize(SMOOTH_SCALABLE, true); |
|
1197 QtFontEncoding *enc = size->encodingID(-1, 0, 0, 0, 0, true); |
|
1198 enc->pitch = (f->fixed ? 'm' : 'p'); |
|
1199 } |
|
1200 ++f; |
|
1201 } |
|
1202 } |
|
1203 #endif // QT_NO_FONTCONFIG |
|
1204 |
|
1205 static void initializeDb(); |
|
1206 |
|
1207 static void load(const QString &family = QString(), int script = -1, bool forceXLFD = false) |
|
1208 { |
|
1209 if (X11->has_fontconfig && !forceXLFD) { |
|
1210 initializeDb(); |
|
1211 return; |
|
1212 } |
|
1213 |
|
1214 #ifdef QFONTDATABASE_DEBUG |
|
1215 QTime t; |
|
1216 t.start(); |
|
1217 #endif |
|
1218 |
|
1219 if (family.isNull() && script == -1) { |
|
1220 loadXlfds(0, -1); |
|
1221 } else { |
|
1222 if (family.isNull()) { |
|
1223 // load all families in all writing systems that match \a script |
|
1224 for (int ws = 1; ws < QFontDatabase::WritingSystemsCount; ++ws) { |
|
1225 if (scriptForWritingSystem[ws] != script) |
|
1226 continue; |
|
1227 for (int i = 0; i < numEncodings; ++i) { |
|
1228 if (writingSystems_for_xlfd_encoding[i][ws]) |
|
1229 loadXlfds(0, i); |
|
1230 } |
|
1231 } |
|
1232 } else { |
|
1233 QtFontFamily *f = privateDb()->family(family); |
|
1234 // could reduce this further with some more magic: |
|
1235 // would need to remember the encodings loaded for the family. |
|
1236 if (!f || !f->xlfdLoaded) |
|
1237 loadXlfds(family.toLatin1(), -1); |
|
1238 } |
|
1239 } |
|
1240 |
|
1241 #ifdef QFONTDATABASE_DEBUG |
|
1242 FD_DEBUG("QFontDatabase: load(%s, %d) took %d ms", |
|
1243 family.toLatin1().constData(), script, t.elapsed()); |
|
1244 #endif |
|
1245 } |
|
1246 |
|
1247 static void checkSymbolFont(QtFontFamily *family) |
|
1248 { |
|
1249 if (!family || family->symbol_checked || family->fontFilename.isEmpty()) |
|
1250 return; |
|
1251 // qDebug() << "checking " << family->rawName; |
|
1252 family->symbol_checked = true; |
|
1253 |
|
1254 QFontEngine::FaceId id; |
|
1255 id.filename = family->fontFilename; |
|
1256 id.index = family->fontFileIndex; |
|
1257 QFreetypeFace *f = QFreetypeFace::getFace(id); |
|
1258 if (!f) { |
|
1259 qWarning("checkSymbolFonts: Couldn't open face %s (%s/%d)", |
|
1260 qPrintable(family->name), family->fontFilename.data(), family->fontFileIndex); |
|
1261 return; |
|
1262 } |
|
1263 for (int i = 0; i < f->face->num_charmaps; ++i) { |
|
1264 FT_CharMap cm = f->face->charmaps[i]; |
|
1265 if (cm->encoding == FT_ENCODING_ADOBE_CUSTOM |
|
1266 || cm->encoding == FT_ENCODING_MS_SYMBOL) { |
|
1267 for (int x = QFontDatabase::Latin; x < QFontDatabase::Other; ++x) |
|
1268 family->writingSystems[x] = QtFontFamily::Unsupported; |
|
1269 family->writingSystems[QFontDatabase::Other] = QtFontFamily::Supported; |
|
1270 break; |
|
1271 } |
|
1272 } |
|
1273 f->release(id); |
|
1274 } |
|
1275 |
|
1276 static void checkSymbolFonts(const QString &family = QString()) |
|
1277 { |
|
1278 #ifndef QT_NO_FONTCONFIG |
|
1279 QFontDatabasePrivate *d = privateDb(); |
|
1280 |
|
1281 if (family.isEmpty()) { |
|
1282 for (int i = 0; i < d->count; ++i) |
|
1283 checkSymbolFont(d->families[i]); |
|
1284 } else { |
|
1285 checkSymbolFont(d->family(family)); |
|
1286 } |
|
1287 #endif |
|
1288 } |
|
1289 |
|
1290 static void registerFont(QFontDatabasePrivate::ApplicationFont *fnt); |
|
1291 |
|
1292 static void initializeDb() |
|
1293 { |
|
1294 QFontDatabasePrivate *db = privateDb(); |
|
1295 if (!db || db->count) |
|
1296 return; |
|
1297 |
|
1298 QTime t; |
|
1299 t.start(); |
|
1300 |
|
1301 #ifndef QT_NO_FONTCONFIG |
|
1302 if (db->reregisterAppFonts) { |
|
1303 db->reregisterAppFonts = false; |
|
1304 for (int i = 0; i < db->applicationFonts.count(); ++i) |
|
1305 if (!db->applicationFonts.at(i).families.isEmpty()) { |
|
1306 registerFont(&db->applicationFonts[i]); |
|
1307 } |
|
1308 } |
|
1309 |
|
1310 loadFontConfig(); |
|
1311 FD_DEBUG("QFontDatabase: loaded FontConfig: %d ms", t.elapsed()); |
|
1312 #endif |
|
1313 |
|
1314 t.start(); |
|
1315 |
|
1316 #ifndef QT_NO_FONTCONFIG |
|
1317 for (int i = 0; i < db->count; i++) { |
|
1318 for (int j = 0; j < db->families[i]->count; ++j) { // each foundry |
|
1319 QtFontFoundry *foundry = db->families[i]->foundries[j]; |
|
1320 for (int k = 0; k < foundry->count; ++k) { |
|
1321 QtFontStyle *style = foundry->styles[k]; |
|
1322 if (style->key.style != QFont::StyleNormal) continue; |
|
1323 |
|
1324 QtFontSize *size = style->pixelSize(SMOOTH_SCALABLE); |
|
1325 if (! size) continue; // should not happen |
|
1326 QtFontEncoding *enc = size->encodingID(-1, 0, 0, 0, 0, true); |
|
1327 if (! enc) continue; // should not happen either |
|
1328 |
|
1329 QtFontStyle::Key key = style->key; |
|
1330 |
|
1331 // does this style have an italic equivalent? |
|
1332 key.style = QFont::StyleItalic; |
|
1333 QtFontStyle *equiv = foundry->style(key); |
|
1334 if (equiv) continue; |
|
1335 |
|
1336 // does this style have an oblique equivalent? |
|
1337 key.style = QFont::StyleOblique; |
|
1338 equiv = foundry->style(key); |
|
1339 if (equiv) continue; |
|
1340 |
|
1341 // let's fake one... |
|
1342 equiv = foundry->style(key, true); |
|
1343 equiv->smoothScalable = true; |
|
1344 |
|
1345 QtFontSize *equiv_size = equiv->pixelSize(SMOOTH_SCALABLE, true); |
|
1346 QtFontEncoding *equiv_enc = equiv_size->encodingID(-1, 0, 0, 0, 0, true); |
|
1347 |
|
1348 // keep the same pitch |
|
1349 equiv_enc->pitch = enc->pitch; |
|
1350 } |
|
1351 } |
|
1352 } |
|
1353 #endif |
|
1354 |
|
1355 |
|
1356 #ifdef QFONTDATABASE_DEBUG |
|
1357 #ifndef QT_NO_FONTCONFIG |
|
1358 if (!X11->has_fontconfig) |
|
1359 #endif |
|
1360 // load everything at startup in debug mode. |
|
1361 loadXlfds(0, -1); |
|
1362 |
|
1363 // print the database |
|
1364 for (int f = 0; f < db->count; f++) { |
|
1365 QtFontFamily *family = db->families[f]; |
|
1366 FD_DEBUG("'%s' %s fixed=%s", family->name.latin1(), (family->fixedPitch ? "fixed" : ""), |
|
1367 (family->fixedPitch ? "yes" : "no")); |
|
1368 for (int i = 0; i < QFontDatabase::WritingSystemsCount; ++i) { |
|
1369 QFontDatabase::WritingSystem ws = QFontDatabase::WritingSystem(i); |
|
1370 FD_DEBUG("\t%s: %s", QFontDatabase::writingSystemName(ws).toLatin1().constData(), |
|
1371 ((family->writingSystems[i] & QtFontFamily::Supported) ? "Supported" : |
|
1372 (family->writingSystems[i] & QtFontFamily::Unsupported) == QtFontFamily::Unsupported ? |
|
1373 "Unsupported" : "Unknown")); |
|
1374 } |
|
1375 |
|
1376 for (int fd = 0; fd < family->count; fd++) { |
|
1377 QtFontFoundry *foundry = family->foundries[fd]; |
|
1378 FD_DEBUG("\t\t'%s'", foundry->name.latin1()); |
|
1379 for (int s = 0; s < foundry->count; s++) { |
|
1380 QtFontStyle *style = foundry->styles[s]; |
|
1381 FD_DEBUG("\t\t\tstyle: style=%d weight=%d (%s)\n" |
|
1382 "\t\t\tstretch=%d (%s)", |
|
1383 style->key.style, style->key.weight, |
|
1384 style->weightName, style->key.stretch, |
|
1385 style->setwidthName ? style->setwidthName : "nil"); |
|
1386 if (style->smoothScalable) |
|
1387 FD_DEBUG("\t\t\t\tsmooth scalable"); |
|
1388 else if (style->bitmapScalable) |
|
1389 FD_DEBUG("\t\t\t\tbitmap scalable"); |
|
1390 if (style->pixelSizes) { |
|
1391 qDebug("\t\t\t\t%d pixel sizes", style->count); |
|
1392 for (int z = 0; z < style->count; ++z) { |
|
1393 QtFontSize *size = style->pixelSizes + z; |
|
1394 for (int e = 0; e < size->count; ++e) { |
|
1395 FD_DEBUG("\t\t\t\t size %5d pitch %c encoding %s", |
|
1396 size->pixelSize, |
|
1397 size->encodings[e].pitch, |
|
1398 xlfd_for_id(size->encodings[e].encoding)); |
|
1399 } |
|
1400 } |
|
1401 } |
|
1402 } |
|
1403 } |
|
1404 } |
|
1405 #endif // QFONTDATABASE_DEBUG |
|
1406 } |
|
1407 |
|
1408 |
|
1409 // -------------------------------------------------------------------------------------- |
|
1410 // font loader |
|
1411 // -------------------------------------------------------------------------------------- |
|
1412 |
|
1413 static const char *styleHint(const QFontDef &request) |
|
1414 { |
|
1415 const char *stylehint = 0; |
|
1416 switch (request.styleHint) { |
|
1417 case QFont::SansSerif: |
|
1418 stylehint = "sans-serif"; |
|
1419 break; |
|
1420 case QFont::Serif: |
|
1421 stylehint = "serif"; |
|
1422 break; |
|
1423 case QFont::TypeWriter: |
|
1424 stylehint = "monospace"; |
|
1425 break; |
|
1426 default: |
|
1427 if (request.fixedPitch) |
|
1428 stylehint = "monospace"; |
|
1429 break; |
|
1430 } |
|
1431 return stylehint; |
|
1432 } |
|
1433 |
|
1434 #ifndef QT_NO_FONTCONFIG |
|
1435 |
|
1436 void qt_addPatternProps(FcPattern *pattern, int screen, int script, const QFontDef &request) |
|
1437 { |
|
1438 int weight_value = FC_WEIGHT_BLACK; |
|
1439 if (request.weight == 0) |
|
1440 weight_value = FC_WEIGHT_MEDIUM; |
|
1441 else if (request.weight < (QFont::Light + QFont::Normal) / 2) |
|
1442 weight_value = FC_WEIGHT_LIGHT; |
|
1443 else if (request.weight < (QFont::Normal + QFont::DemiBold) / 2) |
|
1444 weight_value = FC_WEIGHT_MEDIUM; |
|
1445 else if (request.weight < (QFont::DemiBold + QFont::Bold) / 2) |
|
1446 weight_value = FC_WEIGHT_DEMIBOLD; |
|
1447 else if (request.weight < (QFont::Bold + QFont::Black) / 2) |
|
1448 weight_value = FC_WEIGHT_BOLD; |
|
1449 FcPatternAddInteger(pattern, FC_WEIGHT, weight_value); |
|
1450 |
|
1451 int slant_value = FC_SLANT_ROMAN; |
|
1452 if (request.style == QFont::StyleItalic) |
|
1453 slant_value = FC_SLANT_ITALIC; |
|
1454 else if (request.style == QFont::StyleOblique) |
|
1455 slant_value = FC_SLANT_OBLIQUE; |
|
1456 FcPatternAddInteger(pattern, FC_SLANT, slant_value); |
|
1457 |
|
1458 double size_value = qMax(1, request.pixelSize); |
|
1459 FcPatternAddDouble(pattern, FC_PIXEL_SIZE, size_value); |
|
1460 |
|
1461 int stretch = request.stretch; |
|
1462 if (!stretch) |
|
1463 stretch = 100; |
|
1464 FcPatternAddInteger(pattern, FC_WIDTH, stretch); |
|
1465 |
|
1466 if (X11->display && QX11Info::appDepth(screen) <= 8) { |
|
1467 // can't do antialiasing on 8bpp |
|
1468 FcPatternAddBool(pattern, FC_ANTIALIAS, false); |
|
1469 } else if (request.styleStrategy & (QFont::PreferAntialias|QFont::NoAntialias)) { |
|
1470 FcPatternAddBool(pattern, FC_ANTIALIAS, |
|
1471 !(request.styleStrategy & QFont::NoAntialias)); |
|
1472 } |
|
1473 |
|
1474 if (script != QUnicodeTables::Common) { |
|
1475 Q_ASSERT(script < QUnicodeTables::ScriptCount); |
|
1476 FcLangSet *ls = FcLangSetCreate(); |
|
1477 FcLangSetAdd(ls, (const FcChar8*)specialLanguages[script]); |
|
1478 FcPatternAddLangSet(pattern, FC_LANG, ls); |
|
1479 FcLangSetDestroy(ls); |
|
1480 } |
|
1481 } |
|
1482 |
|
1483 static bool preferScalable(const QFontDef &request) |
|
1484 { |
|
1485 return request.styleStrategy & (QFont::PreferOutline|QFont::ForceOutline|QFont::PreferQuality|QFont::PreferAntialias); |
|
1486 } |
|
1487 |
|
1488 |
|
1489 static FcPattern *getFcPattern(const QFontPrivate *fp, int script, const QFontDef &request) |
|
1490 { |
|
1491 if (!X11->has_fontconfig) |
|
1492 return 0; |
|
1493 |
|
1494 FcPattern *pattern = FcPatternCreate(); |
|
1495 if (!pattern) |
|
1496 return 0; |
|
1497 |
|
1498 FcValue value; |
|
1499 value.type = FcTypeString; |
|
1500 |
|
1501 QtFontDesc desc; |
|
1502 QStringList families_and_foundries = familyList(request); |
|
1503 for (int i = 0; i < families_and_foundries.size(); ++i) { |
|
1504 QString family, foundry; |
|
1505 parseFontName(families_and_foundries.at(i), foundry, family); |
|
1506 if (!family.isEmpty()) { |
|
1507 QByteArray cs = family.toUtf8(); |
|
1508 value.u.s = (const FcChar8 *)cs.data(); |
|
1509 FcPatternAdd(pattern, FC_FAMILY, value, FcTrue); |
|
1510 } |
|
1511 if (i == 0) { |
|
1512 QT_PREPEND_NAMESPACE(match)(script, request, family, foundry, -1, &desc); |
|
1513 if (!foundry.isEmpty()) { |
|
1514 QByteArray cs = foundry.toUtf8(); |
|
1515 value.u.s = (const FcChar8 *)cs.data(); |
|
1516 FcPatternAddWeak(pattern, FC_FOUNDRY, value, FcTrue); |
|
1517 } |
|
1518 } |
|
1519 } |
|
1520 |
|
1521 const char *stylehint = styleHint(request); |
|
1522 if (stylehint) { |
|
1523 value.u.s = (const FcChar8 *)stylehint; |
|
1524 FcPatternAddWeak(pattern, FC_FAMILY, value, FcTrue); |
|
1525 } |
|
1526 |
|
1527 if (!request.ignorePitch) { |
|
1528 char pitch_value = FC_PROPORTIONAL; |
|
1529 if (request.fixedPitch || (desc.family && desc.family->fixedPitch)) |
|
1530 pitch_value = FC_MONO; |
|
1531 FcPatternAddInteger(pattern, FC_SPACING, pitch_value); |
|
1532 } |
|
1533 FcPatternAddBool(pattern, FC_OUTLINE, !(request.styleStrategy & QFont::PreferBitmap)); |
|
1534 if (preferScalable(request) || (desc.style && desc.style->smoothScalable)) |
|
1535 FcPatternAddBool(pattern, FC_SCALABLE, true); |
|
1536 |
|
1537 qt_addPatternProps(pattern, fp->screen, script, request); |
|
1538 |
|
1539 FcDefaultSubstitute(pattern); |
|
1540 FcConfigSubstitute(0, pattern, FcMatchPattern); |
|
1541 FcConfigSubstitute(0, pattern, FcMatchFont); |
|
1542 |
|
1543 // these should only get added to the pattern _after_ substitution |
|
1544 // append the default fallback font for the specified script |
|
1545 extern QString qt_fallback_font_family(int); |
|
1546 QString fallback = qt_fallback_font_family(script); |
|
1547 if (!fallback.isEmpty()) { |
|
1548 QByteArray cs = fallback.toUtf8(); |
|
1549 value.u.s = (const FcChar8 *)cs.data(); |
|
1550 FcPatternAddWeak(pattern, FC_FAMILY, value, FcTrue); |
|
1551 } |
|
1552 |
|
1553 // add the default family |
|
1554 QString defaultFamily = QApplication::font().family(); |
|
1555 QByteArray cs = defaultFamily.toUtf8(); |
|
1556 value.u.s = (const FcChar8 *)cs.data(); |
|
1557 FcPatternAddWeak(pattern, FC_FAMILY, value, FcTrue); |
|
1558 |
|
1559 // add QFont::defaultFamily() to the list, for compatibility with |
|
1560 // previous versions |
|
1561 defaultFamily = QApplication::font().defaultFamily(); |
|
1562 cs = defaultFamily.toUtf8(); |
|
1563 value.u.s = (const FcChar8 *)cs.data(); |
|
1564 FcPatternAddWeak(pattern, FC_FAMILY, value, FcTrue); |
|
1565 |
|
1566 return pattern; |
|
1567 } |
|
1568 |
|
1569 |
|
1570 static void FcFontSetRemove(FcFontSet *fs, int at) |
|
1571 { |
|
1572 Q_ASSERT(at < fs->nfont); |
|
1573 FcPatternDestroy(fs->fonts[at]); |
|
1574 int len = (--fs->nfont - at) * sizeof(FcPattern *);; |
|
1575 if (len > 0) |
|
1576 memmove(fs->fonts + at, fs->fonts + at + 1, len); |
|
1577 } |
|
1578 |
|
1579 static QFontEngine *tryPatternLoad(FcPattern *p, int screen, |
|
1580 const QFontDef &request, int script, FcPattern **matchedPattern = 0) |
|
1581 { |
|
1582 #ifdef FONT_MATCH_DEBUG |
|
1583 FcChar8 *fam; |
|
1584 FcPatternGetString(p, FC_FAMILY, 0, &fam); |
|
1585 FM_DEBUG("==== trying %s\n", fam); |
|
1586 #endif |
|
1587 FM_DEBUG("passes charset test\n"); |
|
1588 FcPattern *pattern = FcPatternDuplicate(p); |
|
1589 // add properties back in as the font selected from the |
|
1590 // list doesn't contain them. |
|
1591 qt_addPatternProps(pattern, screen, script, request); |
|
1592 |
|
1593 FcConfigSubstitute(0, pattern, FcMatchPattern); |
|
1594 FcDefaultSubstitute(pattern); |
|
1595 FcResult res; |
|
1596 FcPattern *match = FcFontMatch(0, pattern, &res); |
|
1597 |
|
1598 if (matchedPattern) |
|
1599 *matchedPattern = 0; |
|
1600 |
|
1601 QFontEngineX11FT *engine = 0; |
|
1602 if (!match) // probably no fonts available. |
|
1603 goto done; |
|
1604 |
|
1605 if (matchedPattern) |
|
1606 *matchedPattern = FcPatternDuplicate(match); |
|
1607 |
|
1608 if (script != QUnicodeTables::Common) { |
|
1609 // skip font if it doesn't support the language we want |
|
1610 if (specialChars[script]) { |
|
1611 // need to check the charset, as the langset doesn't work for these scripts |
|
1612 FcCharSet *cs; |
|
1613 if (FcPatternGetCharSet(match, FC_CHARSET, 0, &cs) != FcResultMatch) |
|
1614 goto done; |
|
1615 if (!FcCharSetHasChar(cs, specialChars[script])) |
|
1616 goto done; |
|
1617 } else { |
|
1618 FcLangSet *langSet = 0; |
|
1619 if (FcPatternGetLangSet(match, FC_LANG, 0, &langSet) != FcResultMatch) |
|
1620 goto done; |
|
1621 if (FcLangSetHasLang(langSet, (const FcChar8*)specialLanguages[script]) != FcLangEqual) |
|
1622 goto done; |
|
1623 } |
|
1624 } |
|
1625 |
|
1626 // enforce non-antialiasing if requested. the ft font engine looks at this property. |
|
1627 if (request.styleStrategy & QFont::NoAntialias) { |
|
1628 FcPatternDel(match, FC_ANTIALIAS); |
|
1629 FcPatternAddBool(match, FC_ANTIALIAS, false); |
|
1630 } |
|
1631 |
|
1632 engine = new QFontEngineX11FT(match, qt_FcPatternToQFontDef(match, request), screen); |
|
1633 if (engine->invalid()) { |
|
1634 FM_DEBUG(" --> invalid!\n"); |
|
1635 delete engine; |
|
1636 engine = 0; |
|
1637 } else if (scriptRequiresOpenType(script)) { |
|
1638 HB_Face hbFace = engine->harfbuzzFace(); |
|
1639 if (!hbFace || !hbFace->supported_scripts[script]) { |
|
1640 FM_DEBUG(" OpenType support missing for script\n"); |
|
1641 delete engine; |
|
1642 engine = 0; |
|
1643 } |
|
1644 } |
|
1645 done: |
|
1646 FcPatternDestroy(pattern); |
|
1647 if (!engine && matchedPattern && *matchedPattern) { |
|
1648 FcPatternDestroy(*matchedPattern); |
|
1649 *matchedPattern = 0; |
|
1650 } |
|
1651 return engine; |
|
1652 } |
|
1653 |
|
1654 FcFontSet *qt_fontSetForPattern(FcPattern *pattern, const QFontDef &request) |
|
1655 { |
|
1656 FcResult result; |
|
1657 FcFontSet *fs = FcFontSort(0, pattern, FcTrue, 0, &result); |
|
1658 #ifdef FONT_MATCH_DEBUG |
|
1659 FM_DEBUG("first font in fontset:\n"); |
|
1660 FcPatternPrint(fs->fonts[0]); |
|
1661 #endif |
|
1662 |
|
1663 FcBool forceScalable = request.styleStrategy & QFont::ForceOutline; |
|
1664 |
|
1665 // remove fonts if they are not scalable (and should be) |
|
1666 if (forceScalable && fs) { |
|
1667 for (int i = 0; i < fs->nfont; ++i) { |
|
1668 FcPattern *font = fs->fonts[i]; |
|
1669 FcResult res; |
|
1670 FcBool scalable; |
|
1671 res = FcPatternGetBool(font, FC_SCALABLE, 0, &scalable); |
|
1672 if (res != FcResultMatch || !scalable) { |
|
1673 FcFontSetRemove(fs, i); |
|
1674 #ifdef FONT_MATCH_DEBUG |
|
1675 FM_DEBUG("removing pattern:"); |
|
1676 FcPatternPrint(font); |
|
1677 #endif |
|
1678 --i; // go back one |
|
1679 } |
|
1680 } |
|
1681 } |
|
1682 |
|
1683 FM_DEBUG("final pattern contains %d fonts\n", fs->nfont); |
|
1684 |
|
1685 return fs; |
|
1686 } |
|
1687 |
|
1688 static QFontEngine *loadFc(const QFontPrivate *fp, int script, const QFontDef &request) |
|
1689 { |
|
1690 FM_DEBUG("===================== loadFc: script=%d family='%s'\n", script, request.family.toLatin1().data()); |
|
1691 FcPattern *pattern = getFcPattern(fp, script, request); |
|
1692 |
|
1693 #ifdef FONT_MATCH_DEBUG |
|
1694 FM_DEBUG("\n\nfinal FcPattern contains:\n"); |
|
1695 FcPatternPrint(pattern); |
|
1696 #endif |
|
1697 |
|
1698 QFontEngine *fe = 0; |
|
1699 FcPattern *matchedPattern = 0; |
|
1700 fe = tryPatternLoad(pattern, fp->screen, request, script, &matchedPattern); |
|
1701 if (!fe) { |
|
1702 FcFontSet *fs = qt_fontSetForPattern(pattern, request); |
|
1703 |
|
1704 if (fs) { |
|
1705 for (int i = 0; !fe && i < fs->nfont; ++i) |
|
1706 fe = tryPatternLoad(fs->fonts[i], fp->screen, request, script, &matchedPattern); |
|
1707 FcFontSetDestroy(fs); |
|
1708 } |
|
1709 FM_DEBUG("engine for script %d is %s\n", script, fe ? fe->fontDef.family.toLatin1().data(): "(null)"); |
|
1710 } |
|
1711 if (fe |
|
1712 && script == QUnicodeTables::Common |
|
1713 && !(request.styleStrategy & QFont::NoFontMerging) && !fe->symbol) { |
|
1714 fe = new QFontEngineMultiFT(fe, matchedPattern, pattern, fp->screen, request); |
|
1715 } else { |
|
1716 FcPatternDestroy(pattern); |
|
1717 if (matchedPattern) |
|
1718 FcPatternDestroy(matchedPattern); |
|
1719 } |
|
1720 return fe; |
|
1721 } |
|
1722 |
|
1723 static FcPattern *queryFont(const FcChar8 *file, const QByteArray &data, int id, FcBlanks *blanks, int *count) |
|
1724 { |
|
1725 #if FC_VERSION < 20402 |
|
1726 Q_UNUSED(data) |
|
1727 return FcFreeTypeQuery(file, id, blanks, count); |
|
1728 #else |
|
1729 if (data.isEmpty()) |
|
1730 return FcFreeTypeQuery(file, id, blanks, count); |
|
1731 |
|
1732 extern FT_Library qt_getFreetype(); |
|
1733 FT_Library lib = qt_getFreetype(); |
|
1734 |
|
1735 FcPattern *pattern = 0; |
|
1736 |
|
1737 FT_Face face; |
|
1738 if (!FT_New_Memory_Face(lib, (const FT_Byte *)data.constData(), data.size(), id, &face)) { |
|
1739 *count = face->num_faces; |
|
1740 |
|
1741 pattern = FcFreeTypeQueryFace(face, file, id, blanks); |
|
1742 |
|
1743 FT_Done_Face(face); |
|
1744 } |
|
1745 |
|
1746 return pattern; |
|
1747 #endif |
|
1748 } |
|
1749 #endif // QT_NO_FONTCONFIG |
|
1750 |
|
1751 static QFontEngine *loadRaw(const QFontPrivate *fp, const QFontDef &request) |
|
1752 { |
|
1753 Q_ASSERT(fp && fp->rawMode); |
|
1754 |
|
1755 QByteArray xlfd = request.family.toLatin1(); |
|
1756 FM_DEBUG("Loading XLFD (rawmode) '%s'", xlfd.data()); |
|
1757 |
|
1758 QFontEngine *fe; |
|
1759 XFontStruct *xfs; |
|
1760 if (!(xfs = XLoadQueryFont(QX11Info::display(), xlfd.data()))) |
|
1761 if (!(xfs = XLoadQueryFont(QX11Info::display(), "fixed"))) |
|
1762 return 0; |
|
1763 |
|
1764 fe = new QFontEngineXLFD(xfs, xlfd, 0); |
|
1765 if (! qt_fillFontDef(xfs, &fe->fontDef, fp->dpi, 0) && |
|
1766 ! qt_fillFontDef(xlfd, &fe->fontDef, fp->dpi, 0)) |
|
1767 fe->fontDef = QFontDef(); |
|
1768 return fe; |
|
1769 } |
|
1770 |
|
1771 QFontEngine *QFontDatabase::loadXlfd(int screen, int script, const QFontDef &request, int force_encoding_id) |
|
1772 { |
|
1773 QMutexLocker locker(fontDatabaseMutex()); |
|
1774 |
|
1775 QtFontDesc desc; |
|
1776 FM_DEBUG() << "---> loadXlfd: request is" << request.family; |
|
1777 QStringList families_and_foundries = familyList(request); |
|
1778 const char *stylehint = styleHint(request); |
|
1779 if (stylehint) |
|
1780 families_and_foundries << QString::fromLatin1(stylehint); |
|
1781 families_and_foundries << QString(); |
|
1782 FM_DEBUG() << "loadXlfd: list is" << families_and_foundries; |
|
1783 for (int i = 0; i < families_and_foundries.size(); ++i) { |
|
1784 QString family, foundry; |
|
1785 QT_PREPEND_NAMESPACE(parseFontName)(families_and_foundries.at(i), foundry, family); |
|
1786 FM_DEBUG("loadXlfd: >>>>>>>>>>>>>>trying to match '%s' encoding=%d", family.toLatin1().data(), force_encoding_id); |
|
1787 QT_PREPEND_NAMESPACE(match)(script, request, family, foundry, force_encoding_id, &desc, QList<int>(), true); |
|
1788 if (desc.family) |
|
1789 break; |
|
1790 } |
|
1791 |
|
1792 QFontEngine *fe = 0; |
|
1793 if (force_encoding_id != -1 |
|
1794 || (request.styleStrategy & QFont::NoFontMerging) |
|
1795 || (desc.family && desc.family->writingSystems[QFontDatabase::Symbol] & QtFontFamily::Supported)) { |
|
1796 if (desc.family) { |
|
1797 int px = desc.size->pixelSize; |
|
1798 if (desc.style->smoothScalable && px == SMOOTH_SCALABLE) |
|
1799 px = request.pixelSize; |
|
1800 else if (desc.style->bitmapScalable && px == 0) |
|
1801 px = request.pixelSize; |
|
1802 |
|
1803 QByteArray xlfd("-"); |
|
1804 xlfd += desc.foundry->name.isEmpty() ? QByteArray("*") : desc.foundry->name.toLatin1(); |
|
1805 xlfd += '-'; |
|
1806 xlfd += desc.family->name.isEmpty() ? QByteArray("*") : desc.family->name.toLatin1(); |
|
1807 xlfd += '-'; |
|
1808 xlfd += desc.style->weightName ? desc.style->weightName : "*"; |
|
1809 xlfd += '-'; |
|
1810 xlfd += (desc.style->key.style == QFont::StyleItalic |
|
1811 ? 'i' |
|
1812 : (desc.style->key.style == QFont::StyleOblique ? 'o' : 'r')); |
|
1813 xlfd += '-'; |
|
1814 xlfd += desc.style->setwidthName ? desc.style->setwidthName : "*"; |
|
1815 // ### handle add-style |
|
1816 xlfd += "-*-"; |
|
1817 xlfd += QByteArray::number(px); |
|
1818 xlfd += '-'; |
|
1819 xlfd += QByteArray::number(desc.encoding->xpoint); |
|
1820 xlfd += '-'; |
|
1821 xlfd += QByteArray::number(desc.encoding->xres); |
|
1822 xlfd += '-'; |
|
1823 xlfd += QByteArray::number(desc.encoding->yres); |
|
1824 xlfd += '-'; |
|
1825 xlfd += desc.encoding->pitch; |
|
1826 xlfd += '-'; |
|
1827 xlfd += QByteArray::number(desc.encoding->avgwidth); |
|
1828 xlfd += '-'; |
|
1829 xlfd += xlfd_for_id(desc.encoding->encoding); |
|
1830 |
|
1831 FM_DEBUG(" using XLFD: %s\n", xlfd.data()); |
|
1832 |
|
1833 const int mib = xlfd_encoding[desc.encoding->encoding].mib; |
|
1834 XFontStruct *xfs; |
|
1835 if ((xfs = XLoadQueryFont(QX11Info::display(), xlfd))) { |
|
1836 fe = new QFontEngineXLFD(xfs, xlfd, mib); |
|
1837 const int dpi = QX11Info::appDpiY(); |
|
1838 if (!qt_fillFontDef(xfs, &fe->fontDef, dpi, &desc) |
|
1839 && !qt_fillFontDef(xlfd, &fe->fontDef, dpi, &desc)) { |
|
1840 initFontDef(desc, request, &fe->fontDef); |
|
1841 } |
|
1842 } |
|
1843 } |
|
1844 if (!fe) { |
|
1845 fe = new QFontEngineBox(request.pixelSize); |
|
1846 fe->fontDef = QFontDef(); |
|
1847 } |
|
1848 } else { |
|
1849 QList<int> encodings; |
|
1850 if (desc.encoding) { |
|
1851 if (desc.encoding->encoding >= 0) |
|
1852 encodings.append(int(desc.encoding->encoding)); |
|
1853 } |
|
1854 |
|
1855 if (desc.size) { |
|
1856 // append all other encodings for the matched font |
|
1857 for (int i = 0; i < desc.size->count; ++i) { |
|
1858 QtFontEncoding *e = desc.size->encodings + i; |
|
1859 if (e == desc.encoding || e->encoding < 0) |
|
1860 continue; |
|
1861 encodings.append(int(e->encoding)); |
|
1862 } |
|
1863 } |
|
1864 // fill in the missing encodings |
|
1865 const XlfdEncoding *enc = xlfd_encoding; |
|
1866 for (; enc->name; ++enc) { |
|
1867 if (!encodings.contains(enc->id) && enc->id >= 0) { |
|
1868 encodings.append(enc->id); |
|
1869 } |
|
1870 } |
|
1871 |
|
1872 #if defined(FONT_MATCH_DEBUG) |
|
1873 FM_DEBUG(" using MultiXLFD, encodings:"); |
|
1874 for (int i = 0; i < encodings.size(); ++i) { |
|
1875 const int id = encodings.at(i); |
|
1876 FM_DEBUG(" %2d: %s", xlfd_encoding[id].id, xlfd_encoding[id].name); |
|
1877 } |
|
1878 #endif |
|
1879 |
|
1880 fe = new QFontEngineMultiXLFD(request, encodings, screen); |
|
1881 } |
|
1882 return fe; |
|
1883 } |
|
1884 |
|
1885 /*! \internal |
|
1886 Loads a QFontEngine for the specified \a script that matches the |
|
1887 QFontDef \e request member variable. |
|
1888 */ |
|
1889 void QFontDatabase::load(const QFontPrivate *d, int script) |
|
1890 { |
|
1891 Q_ASSERT(script >= 0 && script < QUnicodeTables::ScriptCount); |
|
1892 |
|
1893 // normalize the request to get better caching |
|
1894 QFontDef req = d->request; |
|
1895 if (req.pixelSize <= 0) |
|
1896 req.pixelSize = qRound(qt_pixelSize(req.pointSize, d->dpi)); |
|
1897 req.pointSize = 0; |
|
1898 if (req.weight == 0) |
|
1899 req.weight = QFont::Normal; |
|
1900 if (req.stretch == 0) |
|
1901 req.stretch = 100; |
|
1902 |
|
1903 QFontCache::Key key(req, d->rawMode ? QUnicodeTables::Common : script, d->screen); |
|
1904 if (!d->engineData) |
|
1905 getEngineData(d, key); |
|
1906 |
|
1907 // the cached engineData could have already loaded the engine we want |
|
1908 if (d->engineData->engines[script]) |
|
1909 return; |
|
1910 |
|
1911 // set it to the actual pointsize, so QFontInfo will do the right thing |
|
1912 req.pointSize = qt_pointSize(req.pixelSize, d->dpi); |
|
1913 |
|
1914 QFontEngine *fe = QFontCache::instance()->findEngine(key); |
|
1915 |
|
1916 if (!fe) { |
|
1917 QMutexLocker locker(fontDatabaseMutex()); |
|
1918 if (!privateDb()->count) |
|
1919 initializeDb(); |
|
1920 |
|
1921 const bool mainThread = (qApp->thread() == QThread::currentThread()); |
|
1922 if (qt_enable_test_font && req.family == QLatin1String("__Qt__Box__Engine__")) { |
|
1923 fe = new QTestFontEngine(req.pixelSize); |
|
1924 fe->fontDef = req; |
|
1925 } else if (d->rawMode) { |
|
1926 if (mainThread) |
|
1927 fe = loadRaw(d, req); |
|
1928 #ifndef QT_NO_FONTCONFIG |
|
1929 } else if (X11->has_fontconfig) { |
|
1930 fe = loadFc(d, script, req); |
|
1931 |
|
1932 if (fe != 0 && fe->fontDef.pixelSize != req.pixelSize) { |
|
1933 delete fe; |
|
1934 fe = loadXlfd(d->screen, script, req); |
|
1935 } |
|
1936 |
|
1937 |
|
1938 #endif |
|
1939 } else if (mainThread) { |
|
1940 fe = loadXlfd(d->screen, script, req); |
|
1941 } |
|
1942 if (!fe) { |
|
1943 fe = new QFontEngineBox(req.pixelSize); |
|
1944 fe->fontDef = QFontDef(); |
|
1945 } |
|
1946 } |
|
1947 if (fe->symbol || (d->request.styleStrategy & QFont::NoFontMerging)) { |
|
1948 for (int i = 0; i < QUnicodeTables::ScriptCount; ++i) { |
|
1949 if (!d->engineData->engines[i]) { |
|
1950 d->engineData->engines[i] = fe; |
|
1951 fe->ref.ref(); |
|
1952 } |
|
1953 } |
|
1954 } else { |
|
1955 d->engineData->engines[script] = fe; |
|
1956 fe->ref.ref(); |
|
1957 } |
|
1958 QFontCache::instance()->insertEngine(key, fe); |
|
1959 } |
|
1960 |
|
1961 static void registerFont(QFontDatabasePrivate::ApplicationFont *fnt) |
|
1962 { |
|
1963 #if defined(QT_NO_FONTCONFIG) |
|
1964 return; |
|
1965 #else |
|
1966 if (!X11->has_fontconfig) |
|
1967 return; |
|
1968 |
|
1969 FcConfig *config = FcConfigGetCurrent(); |
|
1970 if (!config) |
|
1971 return; |
|
1972 |
|
1973 FcFontSet *set = FcConfigGetFonts(config, FcSetApplication); |
|
1974 if (!set) { |
|
1975 FcConfigAppFontAddFile(config, (const FcChar8 *)":/non-existant"); |
|
1976 set = FcConfigGetFonts(config, FcSetApplication); // try again |
|
1977 if (!set) |
|
1978 return; |
|
1979 } |
|
1980 |
|
1981 QString fileNameForQuery = fnt->fileName; |
|
1982 #if FC_VERSION < 20402 |
|
1983 QTemporaryFile tmp; |
|
1984 |
|
1985 if (!fnt->data.isEmpty()) { |
|
1986 if (!tmp.open()) |
|
1987 return; |
|
1988 tmp.write(fnt->data); |
|
1989 tmp.flush(); |
|
1990 fileNameForQuery = tmp.fileName(); |
|
1991 } |
|
1992 #endif |
|
1993 |
|
1994 int id = 0; |
|
1995 FcBlanks *blanks = FcConfigGetBlanks(0); |
|
1996 int count = 0; |
|
1997 |
|
1998 QStringList families; |
|
1999 |
|
2000 FcPattern *pattern = 0; |
|
2001 do { |
|
2002 pattern = queryFont((const FcChar8 *)QFile::encodeName(fileNameForQuery).constData(), |
|
2003 fnt->data, id, blanks, &count); |
|
2004 if (!pattern) |
|
2005 return; |
|
2006 |
|
2007 FcPatternDel(pattern, FC_FILE); |
|
2008 FcPatternAddString(pattern, FC_FILE, (const FcChar8 *)fnt->fileName.toUtf8().constData()); |
|
2009 |
|
2010 FcChar8 *fam = 0; |
|
2011 if (FcPatternGetString(pattern, FC_FAMILY, 0, &fam) == FcResultMatch) { |
|
2012 QString family = QString::fromUtf8(reinterpret_cast<const char *>(fam)); |
|
2013 families << family; |
|
2014 } |
|
2015 |
|
2016 if (!FcFontSetAdd(set, pattern)) |
|
2017 return; |
|
2018 |
|
2019 ++id; |
|
2020 } while (pattern && id < count); |
|
2021 |
|
2022 fnt->families = families; |
|
2023 #endif |
|
2024 } |
|
2025 |
|
2026 bool QFontDatabase::removeApplicationFont(int handle) |
|
2027 { |
|
2028 #if defined(QT_NO_FONTCONFIG) |
|
2029 return false; |
|
2030 #else |
|
2031 QMutexLocker locker(fontDatabaseMutex()); |
|
2032 |
|
2033 QFontDatabasePrivate *db = privateDb(); |
|
2034 if (handle < 0 || handle >= db->applicationFonts.count()) |
|
2035 return false; |
|
2036 |
|
2037 FcConfigAppFontClear(0); |
|
2038 |
|
2039 db->applicationFonts[handle] = QFontDatabasePrivate::ApplicationFont(); |
|
2040 |
|
2041 db->reregisterAppFonts = true; |
|
2042 db->invalidate(); |
|
2043 return true; |
|
2044 #endif |
|
2045 } |
|
2046 |
|
2047 bool QFontDatabase::removeAllApplicationFonts() |
|
2048 { |
|
2049 #if defined(QT_NO_FONTCONFIG) |
|
2050 return false; |
|
2051 #else |
|
2052 QMutexLocker locker(fontDatabaseMutex()); |
|
2053 |
|
2054 QFontDatabasePrivate *db = privateDb(); |
|
2055 if (db->applicationFonts.isEmpty()) |
|
2056 return false; |
|
2057 |
|
2058 FcConfigAppFontClear(0); |
|
2059 db->applicationFonts.clear(); |
|
2060 db->invalidate(); |
|
2061 return true; |
|
2062 #endif |
|
2063 } |
|
2064 |
|
2065 bool QFontDatabase::supportsThreadedFontRendering() |
|
2066 { |
|
2067 #if defined(QT_NO_FONTCONFIG) |
|
2068 return false; |
|
2069 #else |
|
2070 return X11->has_fontconfig; |
|
2071 #endif |
|
2072 } |
|
2073 |
|
2074 QT_END_NAMESPACE |