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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 QtSvg 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 "qsvghandler_p.h" |
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45 |
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46 #ifndef QT_NO_SVG |
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47 |
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48 #include "qsvgtinydocument_p.h" |
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49 #include "qsvgstructure_p.h" |
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50 #include "qsvggraphics_p.h" |
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51 #include "qsvgnode_p.h" |
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52 #include "qsvgfont_p.h" |
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53 |
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54 #include "qapplication.h" |
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55 #include "qwidget.h" |
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56 #include "qpen.h" |
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57 #include "qpainterpath.h" |
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58 #include "qbrush.h" |
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59 #include "qcolor.h" |
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60 #include "qtextformat.h" |
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61 #include "qvector.h" |
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62 #include "qfileinfo.h" |
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63 #include "qfile.h" |
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64 #include "qdebug.h" |
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65 #include "qmath.h" |
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66 #include "qnumeric.h" |
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67 #include "qvarlengtharray.h" |
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68 #include "private/qmath_p.h" |
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69 |
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70 #include "float.h" |
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71 |
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72 QT_BEGIN_NAMESPACE |
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73 |
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74 static const char *qt_inherit_text = "inherit"; |
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75 #define QT_INHERIT QLatin1String(qt_inherit_text) |
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76 |
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77 double qstrtod(const char *s00, char const **se, bool *ok); |
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78 |
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79 // ======== duplicated from qcolor_p |
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80 |
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81 static inline int qsvg_h2i(char hex) |
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82 { |
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83 if (hex >= '0' && hex <= '9') |
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84 return hex - '0'; |
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85 if (hex >= 'a' && hex <= 'f') |
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86 return hex - 'a' + 10; |
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87 if (hex >= 'A' && hex <= 'F') |
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88 return hex - 'A' + 10; |
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89 return -1; |
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90 } |
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91 |
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92 static inline int qsvg_hex2int(const char *s) |
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93 { |
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94 return (qsvg_h2i(s[0]) << 4) | qsvg_h2i(s[1]); |
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95 } |
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96 |
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97 static inline int qsvg_hex2int(char s) |
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98 { |
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99 int h = qsvg_h2i(s); |
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100 return (h << 4) | h; |
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101 } |
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102 |
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103 bool qsvg_get_hex_rgb(const char *name, QRgb *rgb) |
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104 { |
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105 if(name[0] != '#') |
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106 return false; |
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107 name++; |
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108 int len = qstrlen(name); |
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109 int r, g, b; |
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110 if (len == 12) { |
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111 r = qsvg_hex2int(name); |
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112 g = qsvg_hex2int(name + 4); |
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113 b = qsvg_hex2int(name + 8); |
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114 } else if (len == 9) { |
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115 r = qsvg_hex2int(name); |
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116 g = qsvg_hex2int(name + 3); |
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117 b = qsvg_hex2int(name + 6); |
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118 } else if (len == 6) { |
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119 r = qsvg_hex2int(name); |
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120 g = qsvg_hex2int(name + 2); |
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121 b = qsvg_hex2int(name + 4); |
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122 } else if (len == 3) { |
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123 r = qsvg_hex2int(name[0]); |
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124 g = qsvg_hex2int(name[1]); |
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125 b = qsvg_hex2int(name[2]); |
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126 } else { |
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127 r = g = b = -1; |
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128 } |
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129 if ((uint)r > 255 || (uint)g > 255 || (uint)b > 255) { |
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130 *rgb = 0; |
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131 return false; |
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132 } |
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133 *rgb = qRgb(r, g ,b); |
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134 return true; |
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135 } |
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136 |
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137 bool qsvg_get_hex_rgb(const QChar *str, int len, QRgb *rgb) |
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138 { |
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139 if (len > 13) |
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140 return false; |
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141 char tmp[16]; |
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142 for(int i = 0; i < len; ++i) |
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143 tmp[i] = str[i].toLatin1(); |
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144 tmp[len] = 0; |
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145 return qsvg_get_hex_rgb(tmp, rgb); |
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146 } |
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147 |
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148 // ======== end of qcolor_p duplicate |
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149 |
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150 static bool parsePathDataFast(const QStringRef &data, QPainterPath &path); |
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151 |
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152 static inline QString someId(const QXmlStreamAttributes &attributes) |
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153 { |
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154 QString id = attributes.value(QLatin1String("id")).toString(); |
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155 if (id.isEmpty()) |
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156 id = attributes.value(QLatin1String("xml:id")).toString(); |
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157 return id; |
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158 } |
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159 |
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160 struct QSvgAttributes |
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161 { |
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162 QSvgAttributes(const QXmlStreamAttributes &xmlAttributes, QSvgHandler *handler); |
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163 |
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164 QString id; |
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165 |
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166 QStringRef color; |
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167 QStringRef colorOpacity; |
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168 QStringRef fill; |
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169 QStringRef fillRule; |
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170 QStringRef fillOpacity; |
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171 QStringRef stroke; |
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172 QStringRef strokeDashArray; |
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173 QStringRef strokeDashOffset; |
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174 QStringRef strokeLineCap; |
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175 QStringRef strokeLineJoin; |
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176 QStringRef strokeMiterLimit; |
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177 QStringRef strokeOpacity; |
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178 QStringRef strokeWidth; |
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179 QStringRef vectorEffect; |
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180 QStringRef fontFamily; |
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181 QStringRef fontSize; |
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182 QStringRef fontStyle; |
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183 QStringRef fontWeight; |
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184 QStringRef fontVariant; |
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185 QStringRef textAnchor; |
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186 QStringRef transform; |
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187 QStringRef visibility; |
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188 QStringRef opacity; |
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189 QStringRef compOp; |
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190 QStringRef display; |
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191 QStringRef offset; |
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192 QStringRef stopColor; |
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193 QStringRef stopOpacity; |
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194 |
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195 QVector<QSvgCssAttribute> m_cssAttributes; |
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196 }; |
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197 |
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198 QSvgAttributes::QSvgAttributes(const QXmlStreamAttributes &xmlAttributes, QSvgHandler *handler) |
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199 { |
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200 QStringRef style = xmlAttributes.value(QLatin1String("style")); |
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201 if (!style.isEmpty()) { |
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202 handler->parseCSStoXMLAttrs(style.toString(), &m_cssAttributes); |
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203 for (int j = 0; j < m_cssAttributes.count(); ++j) { |
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204 const QSvgCssAttribute &attribute = m_cssAttributes.at(j); |
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205 QStringRef name = attribute.name; |
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206 QStringRef value = attribute.value; |
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207 if (name.isEmpty()) |
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208 continue; |
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209 |
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210 switch (name.at(0).unicode()) { |
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211 |
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212 case 'c': |
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213 if (name == QLatin1String("color")) |
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214 color = value; |
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215 else if (name == QLatin1String("color-opacity")) |
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216 colorOpacity = value; |
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217 else if (name == QLatin1String("comp-op")) |
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218 compOp = value; |
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219 break; |
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220 |
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221 case 'd': |
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222 if (name == QLatin1String("display")) |
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223 display = value; |
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224 break; |
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225 |
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226 case 'f': |
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227 if (name == QLatin1String("fill")) |
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228 fill = value; |
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229 else if (name == QLatin1String("fill-rule")) |
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230 fillRule = value; |
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231 else if (name == QLatin1String("fill-opacity")) |
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232 fillOpacity = value; |
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233 else if (name == QLatin1String("font-family")) |
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234 fontFamily = value; |
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235 else if (name == QLatin1String("font-size")) |
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236 fontSize = value; |
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237 else if (name == QLatin1String("font-style")) |
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238 fontStyle = value; |
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239 else if (name == QLatin1String("font-weight")) |
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240 fontWeight = value; |
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241 else if (name == QLatin1String("font-variant")) |
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242 fontVariant = value; |
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243 break; |
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244 |
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245 case 'o': |
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246 if (name == QLatin1String("opacity")) |
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247 opacity = value; |
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248 else if (name == QLatin1String("offset")) |
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249 offset = value; |
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250 break; |
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251 |
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252 case 's': |
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253 if (name.length() > 5 && QStringRef(name.string(), name.position() + 1, 5) == QLatin1String("troke")) { |
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254 QStringRef strokeRef(name.string(), name.position() + 6, name.length() - 6); |
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255 if (strokeRef.isEmpty()) |
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256 stroke = value; |
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257 else if (strokeRef == QLatin1String("-dasharray")) |
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258 strokeDashArray = value; |
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259 else if (strokeRef == QLatin1String("-dashoffset")) |
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260 strokeDashOffset = value; |
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261 else if (strokeRef == QLatin1String("-linecap")) |
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262 strokeLineCap = value; |
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263 else if (strokeRef == QLatin1String("-linejoin")) |
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264 strokeLineJoin = value; |
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265 else if (strokeRef == QLatin1String("-miterlimit")) |
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266 strokeMiterLimit = value; |
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267 else if (strokeRef == QLatin1String("-opacity")) |
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268 strokeOpacity = value; |
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269 else if (strokeRef == QLatin1String("-width")) |
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270 strokeWidth = value; |
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271 } |
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272 else if (name == QLatin1String("stop-color")) |
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273 stopColor = value; |
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274 else if (name == QLatin1String("stop-opacity")) |
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275 stopOpacity = value; |
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276 break; |
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277 |
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278 case 't': |
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279 if (name == QLatin1String("text-anchor")) |
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280 textAnchor = value; |
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281 else if (name == QLatin1String("transform")) |
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282 transform = value; |
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283 break; |
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284 |
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285 case 'v': |
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286 if (name == QLatin1String("vector-effect")) |
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287 vectorEffect = value; |
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288 else if (name == QLatin1String("visibility")) |
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289 visibility = value; |
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290 break; |
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291 |
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292 default: |
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293 break; |
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294 } |
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295 } |
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296 } |
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297 |
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298 for (int i = 0; i < xmlAttributes.count(); ++i) { |
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299 const QXmlStreamAttribute &attribute = xmlAttributes.at(i); |
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300 QStringRef name = attribute.qualifiedName(); |
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301 if (name.isEmpty()) |
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302 continue; |
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303 QStringRef value = attribute.value(); |
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304 |
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305 switch (name.at(0).unicode()) { |
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306 |
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307 case 'c': |
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308 if (name == QLatin1String("color")) |
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309 color = value; |
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310 else if (name == QLatin1String("color-opacity")) |
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311 colorOpacity = value; |
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312 else if (name == QLatin1String("comp-op")) |
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313 compOp = value; |
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314 break; |
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315 |
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316 case 'd': |
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317 if (name == QLatin1String("display")) |
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318 display = value; |
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319 break; |
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320 |
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321 case 'f': |
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322 if (name == QLatin1String("fill")) |
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323 fill = value; |
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324 else if (name == QLatin1String("fill-rule")) |
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325 fillRule = value; |
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326 else if (name == QLatin1String("fill-opacity")) |
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327 fillOpacity = value; |
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328 else if (name == QLatin1String("font-family")) |
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329 fontFamily = value; |
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330 else if (name == QLatin1String("font-size")) |
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331 fontSize = value; |
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332 else if (name == QLatin1String("font-style")) |
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333 fontStyle = value; |
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334 else if (name == QLatin1String("font-weight")) |
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335 fontWeight = value; |
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336 else if (name == QLatin1String("font-variant")) |
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337 fontVariant = value; |
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338 break; |
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339 |
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340 case 'i': |
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341 if (name == QLatin1String("id")) |
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342 id = value.toString(); |
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343 break; |
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344 |
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345 case 'o': |
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346 if (name == QLatin1String("opacity")) |
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347 opacity = value; |
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348 if (name == QLatin1String("offset")) |
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349 offset = value; |
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350 break; |
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351 |
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352 case 's': |
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353 if (name.length() > 5 && QStringRef(name.string(), name.position() + 1, 5) == QLatin1String("troke")) { |
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354 QStringRef strokeRef(name.string(), name.position() + 6, name.length() - 6); |
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355 if (strokeRef.isEmpty()) |
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356 stroke = value; |
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357 else if (strokeRef == QLatin1String("-dasharray")) |
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358 strokeDashArray = value; |
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359 else if (strokeRef == QLatin1String("-dashoffset")) |
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360 strokeDashOffset = value; |
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361 else if (strokeRef == QLatin1String("-linecap")) |
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362 strokeLineCap = value; |
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363 else if (strokeRef == QLatin1String("-linejoin")) |
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364 strokeLineJoin = value; |
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365 else if (strokeRef == QLatin1String("-miterlimit")) |
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366 strokeMiterLimit = value; |
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367 else if (strokeRef == QLatin1String("-opacity")) |
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368 strokeOpacity = value; |
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369 else if (strokeRef == QLatin1String("-width")) |
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370 strokeWidth = value; |
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371 } |
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372 else if (name == QLatin1String("stop-color")) |
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373 stopColor = value; |
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374 else if (name == QLatin1String("stop-opacity")) |
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375 stopOpacity = value; |
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376 break; |
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377 |
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378 case 't': |
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379 if (name == QLatin1String("text-anchor")) |
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380 textAnchor = value; |
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381 else if (name == QLatin1String("transform")) |
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382 transform = value; |
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383 break; |
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384 |
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385 case 'v': |
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386 if (name == QLatin1String("vector-effect")) |
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387 vectorEffect = value; |
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388 else if (name == QLatin1String("visibility")) |
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389 visibility = value; |
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390 break; |
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391 |
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392 case 'x': |
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393 if (name == QLatin1String("xml:id") && id.isEmpty()) |
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394 id = value.toString(); |
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395 break; |
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396 |
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397 default: |
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398 break; |
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399 } |
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400 } |
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401 |
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402 } |
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403 |
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404 static const char * QSvgStyleSelector_nodeString[] = { |
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405 "svg", |
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406 "g", |
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407 "defs", |
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408 "switch", |
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409 "animation", |
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410 "arc", |
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411 "circle", |
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412 "ellipse", |
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413 "image", |
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414 "line", |
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415 "path", |
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416 "polygon", |
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417 "polyline", |
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418 "rect", |
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419 "text", |
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420 "textarea", |
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421 "use", |
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422 "video" |
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423 }; |
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424 |
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425 class QSvgStyleSelector : public QCss::StyleSelector |
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426 { |
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427 public: |
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428 QSvgStyleSelector() |
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429 { |
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430 nameCaseSensitivity = Qt::CaseInsensitive; |
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431 } |
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432 virtual ~QSvgStyleSelector() |
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433 { |
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434 } |
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435 |
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436 inline QString nodeToName(QSvgNode *node) const |
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437 { |
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438 return QLatin1String(QSvgStyleSelector_nodeString[node->type()]); |
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439 } |
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440 |
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441 inline QSvgNode *svgNode(NodePtr node) const |
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442 { |
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443 return (QSvgNode*)node.ptr; |
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444 } |
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445 inline QSvgStructureNode *nodeToStructure(QSvgNode *n) const |
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446 { |
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447 if (n && |
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448 (n->type() == QSvgNode::DOC || |
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449 n->type() == QSvgNode::G || |
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450 n->type() == QSvgNode::DEFS || |
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451 n->type() == QSvgNode::SWITCH)) { |
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452 return (QSvgStructureNode*)n; |
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453 } |
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454 return 0; |
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455 } |
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456 |
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457 inline QSvgStructureNode *svgStructure(NodePtr node) const |
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458 { |
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459 QSvgNode *n = svgNode(node); |
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460 QSvgStructureNode *st = nodeToStructure(n); |
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461 return st; |
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462 } |
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463 |
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464 virtual bool nodeNameEquals(NodePtr node, const QString& nodeName) const |
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465 { |
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466 QSvgNode *n = svgNode(node); |
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467 if (!n) |
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468 return false; |
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469 QString name = nodeToName(n); |
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470 return QString::compare(name, nodeName, Qt::CaseInsensitive) == 0; |
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471 } |
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472 virtual QString attribute(NodePtr node, const QString &name) const |
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473 { |
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474 QSvgNode *n = svgNode(node); |
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475 if ((!n->nodeId().isEmpty() && (name == QLatin1String("id") || |
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476 name == QLatin1String("xml:id")))) |
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477 return n->nodeId(); |
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478 if (!n->xmlClass().isEmpty() && name == QLatin1String("class")) |
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479 return n->xmlClass(); |
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480 return QString(); |
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481 } |
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482 virtual bool hasAttributes(NodePtr node) const |
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483 { |
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484 QSvgNode *n = svgNode(node); |
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485 return (n && |
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486 (!n->nodeId().isEmpty() || !n->xmlClass().isEmpty())); |
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487 } |
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488 |
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489 virtual QStringList nodeIds(NodePtr node) const |
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490 { |
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491 QSvgNode *n = svgNode(node); |
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492 QString nid; |
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493 if (n) |
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494 nid = n->nodeId(); |
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495 QStringList lst; lst.append(nid); |
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496 return lst; |
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497 } |
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498 |
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499 virtual QStringList nodeNames(NodePtr node) const |
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500 { |
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501 QSvgNode *n = svgNode(node); |
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502 if (n) |
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503 return QStringList(nodeToName(n)); |
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504 return QStringList(); |
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505 } |
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506 |
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507 virtual bool isNullNode(NodePtr node) const |
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508 { |
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509 return !node.ptr; |
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510 } |
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511 |
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512 virtual NodePtr parentNode(NodePtr node) const |
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513 { |
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514 QSvgNode *n = svgNode(node); |
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515 NodePtr newNode; |
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516 newNode.ptr = 0; |
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517 newNode.id = 0; |
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518 if (n) { |
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519 QSvgNode *svgParent = n->parent(); |
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520 if (svgParent) { |
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521 newNode.ptr = svgParent; |
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522 } |
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523 } |
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524 return newNode; |
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525 } |
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526 virtual NodePtr previousSiblingNode(NodePtr node) const |
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527 { |
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528 NodePtr newNode; |
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529 newNode.ptr = 0; |
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530 newNode.id = 0; |
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531 |
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532 QSvgNode *n = svgNode(node); |
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533 if (!n) |
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534 return newNode; |
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535 QSvgStructureNode *svgParent = nodeToStructure(n->parent()); |
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536 |
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537 if (svgParent) { |
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538 newNode.ptr = svgParent->previousSiblingNode(n); |
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539 } |
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540 return newNode; |
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541 } |
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542 virtual NodePtr duplicateNode(NodePtr node) const |
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543 { |
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544 NodePtr n; |
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545 n.ptr = node.ptr; |
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546 n.id = node.id; |
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547 return n; |
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548 } |
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549 virtual void freeNode(NodePtr node) const |
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550 { |
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551 Q_UNUSED(node); |
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552 } |
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553 }; |
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554 |
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555 // '0' is 0x30 and '9' is 0x39 |
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556 static inline bool isDigit(ushort ch) |
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557 { |
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558 static quint16 magic = 0x3ff; |
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559 return ((ch >> 4) == 3) && (magic >> (ch & 15)); |
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560 } |
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561 |
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562 static qreal toDouble(const QChar *&str) |
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563 { |
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564 const int maxLen = 255;//technically doubles can go til 308+ but whatever |
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565 char temp[maxLen+1]; |
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566 int pos = 0; |
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567 |
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568 if (*str == QLatin1Char('-')) { |
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569 temp[pos++] = '-'; |
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570 ++str; |
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571 } else if (*str == QLatin1Char('+')) { |
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572 ++str; |
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573 } |
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574 while (isDigit(str->unicode()) && pos < maxLen) { |
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575 temp[pos++] = str->toLatin1(); |
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576 ++str; |
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577 } |
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578 if (*str == QLatin1Char('.') && pos < maxLen) { |
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579 temp[pos++] = '.'; |
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580 ++str; |
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581 } |
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582 while (isDigit(str->unicode()) && pos < maxLen) { |
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583 temp[pos++] = str->toLatin1(); |
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584 ++str; |
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585 } |
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586 bool exponent = false; |
|
587 if (*str == QLatin1Char('e') && pos < maxLen) { |
|
588 exponent = true; |
|
589 temp[pos++] = 'e'; |
|
590 ++str; |
|
591 if ((*str == QLatin1Char('-') || *str == QLatin1Char('+')) && pos < maxLen) { |
|
592 temp[pos++] = str->toLatin1(); |
|
593 ++str; |
|
594 } |
|
595 while (isDigit(str->unicode()) && pos < maxLen) { |
|
596 temp[pos++] = str->toLatin1(); |
|
597 ++str; |
|
598 } |
|
599 } |
|
600 |
|
601 temp[pos] = '\0'; |
|
602 |
|
603 qreal val; |
|
604 if (!exponent && pos < 10) { |
|
605 int ival = 0; |
|
606 const char *t = temp; |
|
607 bool neg = false; |
|
608 if(*t == '-') { |
|
609 neg = true; |
|
610 ++t; |
|
611 } |
|
612 while(*t && *t != '.') { |
|
613 ival *= 10; |
|
614 ival += (*t) - '0'; |
|
615 ++t; |
|
616 } |
|
617 if(*t == '.') { |
|
618 ++t; |
|
619 int div = 1; |
|
620 while(*t) { |
|
621 ival *= 10; |
|
622 ival += (*t) - '0'; |
|
623 div *= 10; |
|
624 ++t; |
|
625 } |
|
626 val = ((qreal)ival)/((qreal)div); |
|
627 } else { |
|
628 val = ival; |
|
629 } |
|
630 if (neg) |
|
631 val = -val; |
|
632 } else { |
|
633 #if defined(Q_WS_QWS) && !defined(Q_OS_VXWORKS) |
|
634 if(sizeof(qreal) == sizeof(float)) |
|
635 val = strtof(temp, 0); |
|
636 else |
|
637 #endif |
|
638 { |
|
639 bool ok = false; |
|
640 val = qstrtod(temp, 0, &ok); |
|
641 } |
|
642 } |
|
643 return val; |
|
644 |
|
645 } |
|
646 static qreal toDouble(const QString &str, bool *ok = NULL) |
|
647 { |
|
648 const QChar *c = str.constData(); |
|
649 qreal res = toDouble(c); |
|
650 if (ok) { |
|
651 *ok = ((*c) == QLatin1Char('\0')); |
|
652 } |
|
653 return res; |
|
654 } |
|
655 |
|
656 static qreal toDouble(const QStringRef &str, bool *ok = NULL) |
|
657 { |
|
658 const QChar *c = str.constData(); |
|
659 qreal res = toDouble(c); |
|
660 if (ok) { |
|
661 *ok = (c == (str.constData() + str.length())); |
|
662 } |
|
663 return res; |
|
664 } |
|
665 |
|
666 static QVector<qreal> parseNumbersList(const QChar *&str) |
|
667 { |
|
668 QVector<qreal> points; |
|
669 if (!str) |
|
670 return points; |
|
671 points.reserve(32); |
|
672 |
|
673 while (str->isSpace()) |
|
674 ++str; |
|
675 while (isDigit(str->unicode()) || |
|
676 *str == QLatin1Char('-') || *str == QLatin1Char('+') || |
|
677 *str == QLatin1Char('.')) { |
|
678 |
|
679 points.append(toDouble(str)); |
|
680 |
|
681 while (str->isSpace()) |
|
682 ++str; |
|
683 if (*str == QLatin1Char(',')) |
|
684 ++str; |
|
685 |
|
686 //eat the rest of space |
|
687 while (str->isSpace()) |
|
688 ++str; |
|
689 } |
|
690 |
|
691 return points; |
|
692 } |
|
693 |
|
694 static inline void parseNumbersArray(const QChar *&str, QVarLengthArray<qreal, 8> &points) |
|
695 { |
|
696 while (str->isSpace()) |
|
697 ++str; |
|
698 while (isDigit(str->unicode()) || |
|
699 *str == QLatin1Char('-') || *str == QLatin1Char('+') || |
|
700 *str == QLatin1Char('.')) { |
|
701 |
|
702 points.append(toDouble(str)); |
|
703 |
|
704 while (str->isSpace()) |
|
705 ++str; |
|
706 if (*str == QLatin1Char(',')) |
|
707 ++str; |
|
708 |
|
709 //eat the rest of space |
|
710 while (str->isSpace()) |
|
711 ++str; |
|
712 } |
|
713 } |
|
714 |
|
715 static QVector<qreal> parsePercentageList(const QChar *&str) |
|
716 { |
|
717 QVector<qreal> points; |
|
718 if (!str) |
|
719 return points; |
|
720 |
|
721 while (str->isSpace()) |
|
722 ++str; |
|
723 while ((*str >= QLatin1Char('0') && *str <= QLatin1Char('9')) || |
|
724 *str == QLatin1Char('-') || *str == QLatin1Char('+') || |
|
725 *str == QLatin1Char('.')) { |
|
726 |
|
727 points.append(toDouble(str)); |
|
728 |
|
729 while (str->isSpace()) |
|
730 ++str; |
|
731 if (*str == QLatin1Char('%')) |
|
732 ++str; |
|
733 while (str->isSpace()) |
|
734 ++str; |
|
735 if (*str == QLatin1Char(',')) |
|
736 ++str; |
|
737 |
|
738 //eat the rest of space |
|
739 while (str->isSpace()) |
|
740 ++str; |
|
741 } |
|
742 |
|
743 return points; |
|
744 } |
|
745 |
|
746 static QString idFromUrl(const QString &url) |
|
747 { |
|
748 QString::const_iterator itr = url.constBegin(); |
|
749 while ((*itr).isSpace()) |
|
750 ++itr; |
|
751 if ((*itr) == QLatin1Char('(')) |
|
752 ++itr; |
|
753 while ((*itr).isSpace()) |
|
754 ++itr; |
|
755 if ((*itr) == QLatin1Char('#')) |
|
756 ++itr; |
|
757 QString id; |
|
758 while ((*itr) != QLatin1Char(')')) { |
|
759 id += *itr; |
|
760 ++itr; |
|
761 } |
|
762 return id; |
|
763 } |
|
764 |
|
765 static inline QStringRef trimRef(const QStringRef &str) |
|
766 { |
|
767 if (str.isEmpty()) |
|
768 return QStringRef(); |
|
769 const QChar *s = str.string()->constData() + str.position(); |
|
770 int end = str.length() - 1; |
|
771 if (!s[0].isSpace() && !s[end].isSpace()) |
|
772 return str; |
|
773 |
|
774 int start = 0; |
|
775 while (start<=end && s[start].isSpace()) // skip white space from start |
|
776 start++; |
|
777 if (start <= end) { // only white space |
|
778 while (s[end].isSpace()) // skip white space from end |
|
779 end--; |
|
780 } |
|
781 int l = end - start + 1; |
|
782 if (l <= 0) |
|
783 return QStringRef(); |
|
784 return QStringRef(str.string(), str.position() + start, l); |
|
785 } |
|
786 |
|
787 /** |
|
788 * returns true when successfuly set the color. false signifies |
|
789 * that the color should be inherited |
|
790 */ |
|
791 static bool resolveColor(const QStringRef &colorStr, QColor &color, QSvgHandler *handler) |
|
792 { |
|
793 QStringRef colorStrTr = trimRef(colorStr); |
|
794 if (colorStrTr.isEmpty()) |
|
795 return false; |
|
796 |
|
797 switch(colorStrTr.at(0).unicode()) { |
|
798 |
|
799 case '#': |
|
800 { |
|
801 // #rrggbb is very very common, so let's tackle it here |
|
802 // rather than falling back to QColor |
|
803 QRgb rgb; |
|
804 bool ok = qsvg_get_hex_rgb(colorStrTr.unicode(), colorStrTr.length(), &rgb); |
|
805 if (ok) |
|
806 color.setRgb(rgb); |
|
807 return ok; |
|
808 } |
|
809 break; |
|
810 |
|
811 case 'r': |
|
812 { |
|
813 // starts with "rgb(", ends with ")" and consists of at least 7 characters "rgb(,,)" |
|
814 if (colorStrTr.length() >= 7 && colorStrTr.at(colorStrTr.length() - 1) == QLatin1Char(')') |
|
815 && QStringRef(colorStrTr.string(), colorStrTr.position(), 4) == QLatin1String("rgb(")) { |
|
816 const QChar *s = colorStrTr.constData() + 4; |
|
817 QVector<qreal> compo = parseNumbersList(s); |
|
818 //1 means that it failed after reaching non-parsable |
|
819 //character which is going to be "%" |
|
820 if (compo.size() == 1) { |
|
821 s = colorStrTr.constData() + 4; |
|
822 compo = parsePercentageList(s); |
|
823 for (int i = 0; i < compo.size(); ++i) |
|
824 compo[i] *= (qreal)2.55; |
|
825 } |
|
826 |
|
827 if (compo.size() == 3) { |
|
828 color = QColor(int(compo[0]), |
|
829 int(compo[1]), |
|
830 int(compo[2])); |
|
831 return true; |
|
832 } |
|
833 return false; |
|
834 } |
|
835 } |
|
836 break; |
|
837 |
|
838 case 'c': |
|
839 if (colorStrTr == QLatin1String("currentColor")) { |
|
840 color = handler->currentColor(); |
|
841 return true; |
|
842 } |
|
843 break; |
|
844 case 'i': |
|
845 if (colorStrTr == QT_INHERIT) |
|
846 return false; |
|
847 break; |
|
848 default: |
|
849 break; |
|
850 } |
|
851 |
|
852 color = QColor(colorStrTr.toString()); |
|
853 return color.isValid(); |
|
854 } |
|
855 |
|
856 static bool constructColor(const QStringRef &colorStr, const QStringRef &opacity, |
|
857 QColor &color, QSvgHandler *handler) |
|
858 { |
|
859 if (!resolveColor(colorStr, color, handler)) |
|
860 return false; |
|
861 if (!opacity.isEmpty()) { |
|
862 bool ok = true; |
|
863 qreal op = qMin(qreal(1.0), qMax(qreal(0.0), toDouble(opacity, &ok))); |
|
864 if (!ok) |
|
865 op = 1.0; |
|
866 color.setAlphaF(op); |
|
867 } |
|
868 return true; |
|
869 } |
|
870 |
|
871 static qreal parseLength(const QString &str, QSvgHandler::LengthType &type, |
|
872 QSvgHandler *handler, bool *ok = NULL) |
|
873 { |
|
874 QString numStr = str.trimmed(); |
|
875 |
|
876 if (numStr.endsWith(QLatin1Char('%'))) { |
|
877 numStr.chop(1); |
|
878 type = QSvgHandler::LT_PERCENT; |
|
879 } else if (numStr.endsWith(QLatin1String("px"))) { |
|
880 numStr.chop(2); |
|
881 type = QSvgHandler::LT_PX; |
|
882 } else if (numStr.endsWith(QLatin1String("pc"))) { |
|
883 numStr.chop(2); |
|
884 type = QSvgHandler::LT_PC; |
|
885 } else if (numStr.endsWith(QLatin1String("pt"))) { |
|
886 numStr.chop(2); |
|
887 type = QSvgHandler::LT_PT; |
|
888 } else if (numStr.endsWith(QLatin1String("mm"))) { |
|
889 numStr.chop(2); |
|
890 type = QSvgHandler::LT_MM; |
|
891 } else if (numStr.endsWith(QLatin1String("cm"))) { |
|
892 numStr.chop(2); |
|
893 type = QSvgHandler::LT_CM; |
|
894 } else if (numStr.endsWith(QLatin1String("in"))) { |
|
895 numStr.chop(2); |
|
896 type = QSvgHandler::LT_IN; |
|
897 } else { |
|
898 type = handler->defaultCoordinateSystem(); |
|
899 //type = QSvgHandler::LT_OTHER; |
|
900 } |
|
901 qreal len = toDouble(numStr, ok); |
|
902 //qDebug()<<"len is "<<len<<", from '"<<numStr << "'"; |
|
903 return len; |
|
904 } |
|
905 |
|
906 static inline qreal convertToNumber(const QString &str, QSvgHandler *handler, bool *ok = NULL) |
|
907 { |
|
908 QSvgHandler::LengthType type; |
|
909 qreal num = parseLength(str, type, handler, ok); |
|
910 if (type == QSvgHandler::LT_PERCENT) { |
|
911 num = num/100.0; |
|
912 } |
|
913 return num; |
|
914 } |
|
915 |
|
916 static bool createSvgGlyph(QSvgFont *font, const QXmlStreamAttributes &attributes) |
|
917 { |
|
918 QStringRef uncStr = attributes.value(QLatin1String("unicode")); |
|
919 QStringRef havStr = attributes.value(QLatin1String("horiz-adv-x")); |
|
920 QStringRef pathStr = attributes.value(QLatin1String("d")); |
|
921 |
|
922 QChar unicode = (uncStr.isEmpty()) ? 0 : uncStr.at(0); |
|
923 qreal havx = (havStr.isEmpty()) ? -1 : toDouble(havStr); |
|
924 QPainterPath path; |
|
925 path.setFillRule(Qt::WindingFill); |
|
926 parsePathDataFast(pathStr, path); |
|
927 |
|
928 font->addGlyph(unicode, path, havx); |
|
929 |
|
930 return true; |
|
931 } |
|
932 |
|
933 // this should really be called convertToDefaultCoordinateSystem |
|
934 // and convert when type != QSvgHandler::defaultCoordinateSystem |
|
935 static qreal convertToPixels(qreal len, bool , QSvgHandler::LengthType type) |
|
936 { |
|
937 |
|
938 switch (type) { |
|
939 case QSvgHandler::LT_PERCENT: |
|
940 break; |
|
941 case QSvgHandler::LT_PX: |
|
942 break; |
|
943 case QSvgHandler::LT_PC: |
|
944 break; |
|
945 case QSvgHandler::LT_PT: |
|
946 return len * 1.25; |
|
947 break; |
|
948 case QSvgHandler::LT_MM: |
|
949 return len * 3.543307; |
|
950 break; |
|
951 case QSvgHandler::LT_CM: |
|
952 return len * 35.43307; |
|
953 break; |
|
954 case QSvgHandler::LT_IN: |
|
955 return len * 90; |
|
956 break; |
|
957 case QSvgHandler::LT_OTHER: |
|
958 break; |
|
959 default: |
|
960 break; |
|
961 } |
|
962 return len; |
|
963 } |
|
964 |
|
965 static void parseColor(QSvgNode *, |
|
966 const QSvgAttributes &attributes, |
|
967 QSvgHandler *handler) |
|
968 { |
|
969 QColor color; |
|
970 if (constructColor(attributes.color, attributes.colorOpacity, color, handler)) { |
|
971 handler->popColor(); |
|
972 handler->pushColor(color); |
|
973 } |
|
974 } |
|
975 |
|
976 static QSvgStyleProperty *styleFromUrl(QSvgNode *node, const QString &url) |
|
977 { |
|
978 return node ? node->styleProperty(idFromUrl(url)) : 0; |
|
979 } |
|
980 |
|
981 static void parseBrush(QSvgNode *node, |
|
982 const QSvgAttributes &attributes, |
|
983 QSvgHandler *handler) |
|
984 { |
|
985 if (!attributes.fill.isEmpty() || !attributes.fillRule.isEmpty() || !attributes.fillOpacity.isEmpty()) { |
|
986 QSvgFillStyle *prop = new QSvgFillStyle; |
|
987 |
|
988 //fill-rule attribute handling |
|
989 if (!attributes.fillRule.isEmpty() && attributes.fillRule != QT_INHERIT) { |
|
990 if (attributes.fillRule == QLatin1String("evenodd")) |
|
991 prop->setFillRule(Qt::OddEvenFill); |
|
992 else if (attributes.fillRule == QLatin1String("nonzero")) |
|
993 prop->setFillRule(Qt::WindingFill); |
|
994 } |
|
995 |
|
996 //fill-opacity atttribute handling |
|
997 if (!attributes.fillOpacity.isEmpty() && attributes.fillOpacity != QT_INHERIT) { |
|
998 prop->setFillOpacity(qMin(qreal(1.0), qMax(qreal(0.0), toDouble(attributes.fillOpacity)))); |
|
999 } |
|
1000 |
|
1001 //fill attribute handling |
|
1002 if ((!attributes.fill.isEmpty()) && (attributes.fill != QT_INHERIT) ) { |
|
1003 if (attributes.fill.length() > 3 && |
|
1004 QStringRef(attributes.fill.string(), attributes.fill.position(), 3) == QLatin1String("url")) { |
|
1005 QStringRef urlRef(attributes.fill.string(), attributes.fill.position() + 3, attributes.fill.length() - 3); |
|
1006 QString value = urlRef.toString(); |
|
1007 QSvgStyleProperty *style = styleFromUrl(node, value); |
|
1008 if (style) { |
|
1009 if (style->type() == QSvgStyleProperty::SOLID_COLOR || style->type() == QSvgStyleProperty::GRADIENT) |
|
1010 prop->setFillStyle(reinterpret_cast<QSvgFillStyleProperty *>(style)); |
|
1011 } else { |
|
1012 QString id = idFromUrl(value); |
|
1013 prop->setGradientId(id); |
|
1014 prop->setGradientResolved(false); |
|
1015 } |
|
1016 } else if (attributes.fill != QLatin1String("none")) { |
|
1017 QColor color; |
|
1018 if (resolveColor(attributes.fill, color, handler)) |
|
1019 prop->setBrush(QBrush(color)); |
|
1020 } else { |
|
1021 prop->setBrush(QBrush(Qt::NoBrush)); |
|
1022 } |
|
1023 } |
|
1024 node->appendStyleProperty(prop, attributes.id); |
|
1025 } |
|
1026 } |
|
1027 |
|
1028 |
|
1029 |
|
1030 static QMatrix parseTransformationMatrix(const QStringRef &value) |
|
1031 { |
|
1032 if (value.isEmpty()) |
|
1033 return QMatrix(); |
|
1034 |
|
1035 QMatrix matrix; |
|
1036 const QChar *str = value.constData(); |
|
1037 const QChar *end = str + value.length(); |
|
1038 |
|
1039 while (str < end) { |
|
1040 if (str->isSpace() || *str == QLatin1Char(',')) { |
|
1041 ++str; |
|
1042 continue; |
|
1043 } |
|
1044 enum State { |
|
1045 Matrix, |
|
1046 Translate, |
|
1047 Rotate, |
|
1048 Scale, |
|
1049 SkewX, |
|
1050 SkewY |
|
1051 }; |
|
1052 State state = Matrix; |
|
1053 if (*str == QLatin1Char('m')) { //matrix |
|
1054 const char *ident = "atrix"; |
|
1055 for (int i = 0; i < 5; ++i) |
|
1056 if (*(++str) != QLatin1Char(ident[i])) |
|
1057 goto error; |
|
1058 ++str; |
|
1059 state = Matrix; |
|
1060 } else if (*str == QLatin1Char('t')) { //translate |
|
1061 const char *ident = "ranslate"; |
|
1062 for (int i = 0; i < 8; ++i) |
|
1063 if (*(++str) != QLatin1Char(ident[i])) |
|
1064 goto error; |
|
1065 ++str; |
|
1066 state = Translate; |
|
1067 } else if (*str == QLatin1Char('r')) { //rotate |
|
1068 const char *ident = "otate"; |
|
1069 for (int i = 0; i < 5; ++i) |
|
1070 if (*(++str) != QLatin1Char(ident[i])) |
|
1071 goto error; |
|
1072 ++str; |
|
1073 state = Rotate; |
|
1074 } else if (*str == QLatin1Char('s')) { //scale, skewX, skewY |
|
1075 ++str; |
|
1076 if (*str == QLatin1Char('c')) { |
|
1077 const char *ident = "ale"; |
|
1078 for (int i = 0; i < 3; ++i) |
|
1079 if (*(++str) != QLatin1Char(ident[i])) |
|
1080 goto error; |
|
1081 ++str; |
|
1082 state = Scale; |
|
1083 } else if (*str == QLatin1Char('k')) { |
|
1084 if (*(++str) != QLatin1Char('e')) |
|
1085 goto error; |
|
1086 if (*(++str) != QLatin1Char('w')) |
|
1087 goto error; |
|
1088 ++str; |
|
1089 if (*str == QLatin1Char('X')) |
|
1090 state = SkewX; |
|
1091 else if (*str == QLatin1Char('Y')) |
|
1092 state = SkewY; |
|
1093 else |
|
1094 goto error; |
|
1095 ++str; |
|
1096 } else { |
|
1097 goto error; |
|
1098 } |
|
1099 } else { |
|
1100 goto error; |
|
1101 } |
|
1102 |
|
1103 |
|
1104 while (str < end && str->isSpace()) |
|
1105 ++str; |
|
1106 if (*str != QLatin1Char('(')) |
|
1107 goto error; |
|
1108 ++str; |
|
1109 QVarLengthArray<qreal, 8> points; |
|
1110 parseNumbersArray(str, points); |
|
1111 if (*str != QLatin1Char(')')) |
|
1112 goto error; |
|
1113 ++str; |
|
1114 |
|
1115 if(state == Matrix) { |
|
1116 if(points.count() != 6) |
|
1117 goto error; |
|
1118 matrix = matrix * QMatrix(points[0], points[1], |
|
1119 points[2], points[3], |
|
1120 points[4], points[5]); |
|
1121 } else if (state == Translate) { |
|
1122 if (points.count() == 1) |
|
1123 matrix.translate(points[0], 0); |
|
1124 else if (points.count() == 2) |
|
1125 matrix.translate(points[0], points[1]); |
|
1126 else |
|
1127 goto error; |
|
1128 } else if (state == Rotate) { |
|
1129 if(points.count() == 1) { |
|
1130 matrix.rotate(points[0]); |
|
1131 } else if (points.count() == 3) { |
|
1132 matrix.translate(points[1], points[2]); |
|
1133 matrix.rotate(points[0]); |
|
1134 matrix.translate(-points[1], -points[2]); |
|
1135 } else { |
|
1136 goto error; |
|
1137 } |
|
1138 } else if (state == Scale) { |
|
1139 if (points.count() < 1 || points.count() > 2) |
|
1140 goto error; |
|
1141 qreal sx = points[0]; |
|
1142 qreal sy = sx; |
|
1143 if(points.count() == 2) |
|
1144 sy = points[1]; |
|
1145 matrix.scale(sx, sy); |
|
1146 } else if (state == SkewX) { |
|
1147 if (points.count() != 1) |
|
1148 goto error; |
|
1149 const qreal deg2rad = qreal(0.017453292519943295769); |
|
1150 matrix.shear(tan(points[0]*deg2rad), 0); |
|
1151 } else if (state == SkewY) { |
|
1152 if (points.count() != 1) |
|
1153 goto error; |
|
1154 const qreal deg2rad = qreal(0.017453292519943295769); |
|
1155 matrix.shear(0, tan(points[0]*deg2rad)); |
|
1156 } |
|
1157 } |
|
1158 error: |
|
1159 return matrix; |
|
1160 } |
|
1161 |
|
1162 static void parsePen(QSvgNode *node, |
|
1163 const QSvgAttributes &attributes, |
|
1164 QSvgHandler *handler) |
|
1165 { |
|
1166 //qDebug()<<"Node "<<node->type()<<", attrs are "<<value<<width; |
|
1167 |
|
1168 if (!attributes.stroke.isEmpty() || !attributes.strokeDashArray.isEmpty() || !attributes.strokeDashOffset.isEmpty() || !attributes.strokeLineCap.isEmpty() |
|
1169 || !attributes.strokeLineJoin.isEmpty() || !attributes.strokeMiterLimit.isEmpty() || !attributes.strokeOpacity.isEmpty() || !attributes.strokeWidth.isEmpty() |
|
1170 || !attributes.vectorEffect.isEmpty()) { |
|
1171 |
|
1172 QSvgStrokeStyle *prop = new QSvgStrokeStyle; |
|
1173 |
|
1174 //stroke attribute handling |
|
1175 if ((!attributes.stroke.isEmpty()) && (attributes.stroke != QT_INHERIT) ) { |
|
1176 if (attributes.stroke.length() > 3 && |
|
1177 QStringRef(attributes.stroke.string(), attributes.stroke.position(), 3) == QLatin1String("url")) { |
|
1178 QStringRef urlRef(attributes.stroke.string(), attributes.stroke.position() + 3, attributes.stroke.length() - 3); |
|
1179 QString value = urlRef.toString(); |
|
1180 QSvgStyleProperty *style = styleFromUrl(node, value); |
|
1181 if (style) { |
|
1182 if (style->type() == QSvgStyleProperty::SOLID_COLOR || style->type() == QSvgStyleProperty::GRADIENT) |
|
1183 prop->setStyle(reinterpret_cast<QSvgFillStyleProperty *>(style)); |
|
1184 } else { |
|
1185 QString id = idFromUrl(value); |
|
1186 prop->setGradientId(id); |
|
1187 prop->setGradientResolved(false); |
|
1188 } |
|
1189 } else if (attributes.stroke != QLatin1String("none")) { |
|
1190 QColor color; |
|
1191 if (resolveColor(attributes.stroke, color, handler)) |
|
1192 prop->setStroke(QBrush(color)); |
|
1193 } else { |
|
1194 prop->setStroke(QBrush(Qt::NoBrush)); |
|
1195 } |
|
1196 } |
|
1197 |
|
1198 //stroke-width handling |
|
1199 if (!attributes.strokeWidth.isEmpty() && attributes.strokeWidth != QT_INHERIT) { |
|
1200 QSvgHandler::LengthType lt; |
|
1201 prop->setWidth(parseLength(attributes.strokeWidth.toString(), lt, handler)); |
|
1202 } |
|
1203 |
|
1204 //stroke-dasharray |
|
1205 if (!attributes.strokeDashArray.isEmpty() && attributes.strokeDashArray != QT_INHERIT) { |
|
1206 if (attributes.strokeDashArray == QLatin1String("none")) { |
|
1207 prop->setDashArrayNone(); |
|
1208 } else { |
|
1209 QString dashArray = attributes.strokeDashArray.toString(); |
|
1210 const QChar *s = dashArray.constData(); |
|
1211 QVector<qreal> dashes = parseNumbersList(s); |
|
1212 // if the dash count is odd the dashes should be duplicated |
|
1213 if ((dashes.size() & 1) != 0) |
|
1214 dashes << QVector<qreal>(dashes); |
|
1215 prop->setDashArray(dashes); |
|
1216 } |
|
1217 } |
|
1218 |
|
1219 //stroke-linejoin attribute handling |
|
1220 if (!attributes.strokeLineJoin.isEmpty()) { |
|
1221 if (attributes.strokeLineJoin == QLatin1String("miter")) |
|
1222 prop->setLineJoin(Qt::SvgMiterJoin); |
|
1223 else if (attributes.strokeLineJoin == QLatin1String("round")) |
|
1224 prop->setLineJoin(Qt::RoundJoin); |
|
1225 else if (attributes.strokeLineJoin == QLatin1String("bevel")) |
|
1226 prop->setLineJoin(Qt::BevelJoin); |
|
1227 } |
|
1228 |
|
1229 //stroke-linecap attribute handling |
|
1230 if (!attributes.strokeLineCap.isEmpty()) { |
|
1231 if (attributes.strokeLineCap == QLatin1String("butt")) |
|
1232 prop->setLineCap(Qt::FlatCap); |
|
1233 else if (attributes.strokeLineCap == QLatin1String("round")) |
|
1234 prop->setLineCap(Qt::RoundCap); |
|
1235 else if (attributes.strokeLineCap == QLatin1String("square")) |
|
1236 prop->setLineCap(Qt::SquareCap); |
|
1237 } |
|
1238 |
|
1239 //stroke-dashoffset attribute handling |
|
1240 if (!attributes.strokeDashOffset.isEmpty() && attributes.strokeDashOffset != QT_INHERIT) |
|
1241 prop->setDashOffset(toDouble(attributes.strokeDashOffset)); |
|
1242 |
|
1243 //vector-effect attribute handling |
|
1244 if (!attributes.vectorEffect.isEmpty()) { |
|
1245 if (attributes.vectorEffect == QLatin1String("non-scaling-stroke")) |
|
1246 prop->setVectorEffect(true); |
|
1247 else if (attributes.vectorEffect == QLatin1String("none")) |
|
1248 prop->setVectorEffect(false); |
|
1249 } |
|
1250 |
|
1251 //stroke-miterlimit |
|
1252 if (!attributes.strokeMiterLimit.isEmpty() && attributes.strokeMiterLimit != QT_INHERIT) |
|
1253 prop->setMiterLimit(toDouble(attributes.strokeMiterLimit)); |
|
1254 |
|
1255 //stroke-opacity atttribute handling |
|
1256 if (!attributes.strokeOpacity.isEmpty() && attributes.strokeOpacity != QT_INHERIT) |
|
1257 prop->setOpacity(qMin(qreal(1.0), qMax(qreal(0.0), toDouble(attributes.strokeOpacity)))); |
|
1258 |
|
1259 node->appendStyleProperty(prop, attributes.id); |
|
1260 } |
|
1261 } |
|
1262 |
|
1263 static void parseFont(QSvgNode *node, |
|
1264 const QSvgAttributes &attributes, |
|
1265 QSvgHandler *handler) |
|
1266 { |
|
1267 if (attributes.fontFamily.isEmpty() && attributes.fontSize.isEmpty() && attributes.fontStyle.isEmpty() && |
|
1268 attributes.fontWeight.isEmpty() && attributes.fontVariant.isEmpty() && attributes.textAnchor.isEmpty()) |
|
1269 return; |
|
1270 |
|
1271 QSvgTinyDocument *doc = node->document(); |
|
1272 QSvgFontStyle *fontStyle = 0; |
|
1273 if (!attributes.fontFamily.isEmpty()) { |
|
1274 QSvgFont *svgFont = doc->svgFont(attributes.fontFamily.toString()); |
|
1275 if (svgFont) |
|
1276 fontStyle = new QSvgFontStyle(svgFont, doc); |
|
1277 } |
|
1278 if (!fontStyle) |
|
1279 fontStyle = new QSvgFontStyle; |
|
1280 |
|
1281 if (!attributes.fontFamily.isEmpty() && attributes.fontFamily != QT_INHERIT) |
|
1282 fontStyle->setFamily(attributes.fontFamily.toString().trimmed()); |
|
1283 |
|
1284 if (!attributes.fontSize.isEmpty() && attributes.fontSize != QT_INHERIT) { |
|
1285 QSvgHandler::LengthType dummy; // should always be pixel size |
|
1286 fontStyle->setSize(parseLength(attributes.fontSize.toString(), dummy, handler)); |
|
1287 } |
|
1288 |
|
1289 if (!attributes.fontStyle.isEmpty() && attributes.fontStyle != QT_INHERIT) { |
|
1290 if (attributes.fontStyle == QLatin1String("normal")) { |
|
1291 fontStyle->setStyle(QFont::StyleNormal); |
|
1292 } else if (attributes.fontStyle == QLatin1String("italic")) { |
|
1293 fontStyle->setStyle(QFont::StyleItalic); |
|
1294 } else if (attributes.fontStyle == QLatin1String("oblique")) { |
|
1295 fontStyle->setStyle(QFont::StyleOblique); |
|
1296 } |
|
1297 } |
|
1298 |
|
1299 if (!attributes.fontWeight.isEmpty() && attributes.fontWeight != QT_INHERIT) { |
|
1300 bool ok = false; |
|
1301 int weightNum = attributes.fontWeight.toString().toInt(&ok); |
|
1302 if (ok) { |
|
1303 fontStyle->setWeight(weightNum); |
|
1304 } else { |
|
1305 if (attributes.fontWeight == QLatin1String("normal")) { |
|
1306 fontStyle->setWeight(400); |
|
1307 } else if (attributes.fontWeight == QLatin1String("bold")) { |
|
1308 fontStyle->setWeight(700); |
|
1309 } else if (attributes.fontWeight == QLatin1String("bolder")) { |
|
1310 fontStyle->setWeight(QSvgFontStyle::BOLDER); |
|
1311 } else if (attributes.fontWeight == QLatin1String("lighter")) { |
|
1312 fontStyle->setWeight(QSvgFontStyle::LIGHTER); |
|
1313 } |
|
1314 } |
|
1315 } |
|
1316 |
|
1317 if (!attributes.fontVariant.isEmpty() && attributes.fontVariant != QT_INHERIT) { |
|
1318 if (attributes.fontVariant == QLatin1String("normal")) |
|
1319 fontStyle->setVariant(QFont::MixedCase); |
|
1320 else if (attributes.fontVariant == QLatin1String("small-caps")) |
|
1321 fontStyle->setVariant(QFont::SmallCaps); |
|
1322 } |
|
1323 |
|
1324 if (!attributes.textAnchor.isEmpty() && attributes.textAnchor != QT_INHERIT) { |
|
1325 if (attributes.textAnchor == QLatin1String("start")) |
|
1326 fontStyle->setTextAnchor(Qt::AlignLeft); |
|
1327 if (attributes.textAnchor == QLatin1String("middle")) |
|
1328 fontStyle->setTextAnchor(Qt::AlignHCenter); |
|
1329 else if (attributes.textAnchor == QLatin1String("end")) |
|
1330 fontStyle->setTextAnchor(Qt::AlignRight); |
|
1331 } |
|
1332 |
|
1333 node->appendStyleProperty(fontStyle, attributes.id); |
|
1334 } |
|
1335 |
|
1336 static void parseTransform(QSvgNode *node, |
|
1337 const QSvgAttributes &attributes, |
|
1338 QSvgHandler *) |
|
1339 { |
|
1340 if (attributes.transform.isEmpty()) |
|
1341 return; |
|
1342 QMatrix matrix = parseTransformationMatrix(trimRef(attributes.transform)); |
|
1343 |
|
1344 if (!matrix.isIdentity()) { |
|
1345 node->appendStyleProperty(new QSvgTransformStyle(QTransform(matrix)), attributes.id); |
|
1346 } |
|
1347 |
|
1348 } |
|
1349 |
|
1350 static void parseVisibility(QSvgNode *node, |
|
1351 const QSvgAttributes &attributes, |
|
1352 QSvgHandler *) |
|
1353 { |
|
1354 QSvgNode *parent = node->parent(); |
|
1355 |
|
1356 if (parent && (attributes.visibility.isEmpty() || attributes.visibility == QT_INHERIT)) |
|
1357 node->setVisible(parent->isVisible()); |
|
1358 else if (attributes.visibility == QLatin1String("hidden") || attributes.visibility == QLatin1String("collapse")) { |
|
1359 node->setVisible(false); |
|
1360 } else |
|
1361 node->setVisible(true); |
|
1362 } |
|
1363 |
|
1364 static void pathArcSegment(QPainterPath &path, |
|
1365 qreal xc, qreal yc, |
|
1366 qreal th0, qreal th1, |
|
1367 qreal rx, qreal ry, qreal xAxisRotation) |
|
1368 { |
|
1369 qreal sinTh, cosTh; |
|
1370 qreal a00, a01, a10, a11; |
|
1371 qreal x1, y1, x2, y2, x3, y3; |
|
1372 qreal t; |
|
1373 qreal thHalf; |
|
1374 |
|
1375 sinTh = qSin(xAxisRotation * (Q_PI / 180.0)); |
|
1376 cosTh = qCos(xAxisRotation * (Q_PI / 180.0)); |
|
1377 |
|
1378 a00 = cosTh * rx; |
|
1379 a01 = -sinTh * ry; |
|
1380 a10 = sinTh * rx; |
|
1381 a11 = cosTh * ry; |
|
1382 |
|
1383 thHalf = 0.5 * (th1 - th0); |
|
1384 t = (8.0 / 3.0) * qSin(thHalf * 0.5) * qSin(thHalf * 0.5) / qSin(thHalf); |
|
1385 x1 = xc + qCos(th0) - t * qSin(th0); |
|
1386 y1 = yc + qSin(th0) + t * qCos(th0); |
|
1387 x3 = xc + qCos(th1); |
|
1388 y3 = yc + qSin(th1); |
|
1389 x2 = x3 + t * qSin(th1); |
|
1390 y2 = y3 - t * qCos(th1); |
|
1391 |
|
1392 path.cubicTo(a00 * x1 + a01 * y1, a10 * x1 + a11 * y1, |
|
1393 a00 * x2 + a01 * y2, a10 * x2 + a11 * y2, |
|
1394 a00 * x3 + a01 * y3, a10 * x3 + a11 * y3); |
|
1395 } |
|
1396 |
|
1397 // the arc handling code underneath is from XSVG (BSD license) |
|
1398 /* |
|
1399 * Copyright 2002 USC/Information Sciences Institute |
|
1400 * |
|
1401 * Permission to use, copy, modify, distribute, and sell this software |
|
1402 * and its documentation for any purpose is hereby granted without |
|
1403 * fee, provided that the above copyright notice appear in all copies |
|
1404 * and that both that copyright notice and this permission notice |
|
1405 * appear in supporting documentation, and that the name of |
|
1406 * Information Sciences Institute not be used in advertising or |
|
1407 * publicity pertaining to distribution of the software without |
|
1408 * specific, written prior permission. Information Sciences Institute |
|
1409 * makes no representations about the suitability of this software for |
|
1410 * any purpose. It is provided "as is" without express or implied |
|
1411 * warranty. |
|
1412 * |
|
1413 * INFORMATION SCIENCES INSTITUTE DISCLAIMS ALL WARRANTIES WITH REGARD |
|
1414 * TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF |
|
1415 * MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL INFORMATION SCIENCES |
|
1416 * INSTITUTE BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL |
|
1417 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA |
|
1418 * OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
|
1419 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
|
1420 * PERFORMANCE OF THIS SOFTWARE. |
|
1421 * |
|
1422 */ |
|
1423 static void pathArc(QPainterPath &path, |
|
1424 qreal rx, |
|
1425 qreal ry, |
|
1426 qreal x_axis_rotation, |
|
1427 int large_arc_flag, |
|
1428 int sweep_flag, |
|
1429 qreal x, |
|
1430 qreal y, |
|
1431 qreal curx, qreal cury) |
|
1432 { |
|
1433 qreal sin_th, cos_th; |
|
1434 qreal a00, a01, a10, a11; |
|
1435 qreal x0, y0, x1, y1, xc, yc; |
|
1436 qreal d, sfactor, sfactor_sq; |
|
1437 qreal th0, th1, th_arc; |
|
1438 int i, n_segs; |
|
1439 qreal dx, dy, dx1, dy1, Pr1, Pr2, Px, Py, check; |
|
1440 |
|
1441 rx = qAbs(rx); |
|
1442 ry = qAbs(ry); |
|
1443 |
|
1444 sin_th = qSin(x_axis_rotation * (Q_PI / 180.0)); |
|
1445 cos_th = qCos(x_axis_rotation * (Q_PI / 180.0)); |
|
1446 |
|
1447 dx = (curx - x) / 2.0; |
|
1448 dy = (cury - y) / 2.0; |
|
1449 dx1 = cos_th * dx + sin_th * dy; |
|
1450 dy1 = -sin_th * dx + cos_th * dy; |
|
1451 Pr1 = rx * rx; |
|
1452 Pr2 = ry * ry; |
|
1453 Px = dx1 * dx1; |
|
1454 Py = dy1 * dy1; |
|
1455 /* Spec : check if radii are large enough */ |
|
1456 check = Px / Pr1 + Py / Pr2; |
|
1457 if (check > 1) { |
|
1458 rx = rx * qSqrt(check); |
|
1459 ry = ry * qSqrt(check); |
|
1460 } |
|
1461 |
|
1462 a00 = cos_th / rx; |
|
1463 a01 = sin_th / rx; |
|
1464 a10 = -sin_th / ry; |
|
1465 a11 = cos_th / ry; |
|
1466 x0 = a00 * curx + a01 * cury; |
|
1467 y0 = a10 * curx + a11 * cury; |
|
1468 x1 = a00 * x + a01 * y; |
|
1469 y1 = a10 * x + a11 * y; |
|
1470 /* (x0, y0) is current point in transformed coordinate space. |
|
1471 (x1, y1) is new point in transformed coordinate space. |
|
1472 |
|
1473 The arc fits a unit-radius circle in this space. |
|
1474 */ |
|
1475 d = (x1 - x0) * (x1 - x0) + (y1 - y0) * (y1 - y0); |
|
1476 sfactor_sq = 1.0 / d - 0.25; |
|
1477 if (sfactor_sq < 0) sfactor_sq = 0; |
|
1478 sfactor = qSqrt(sfactor_sq); |
|
1479 if (sweep_flag == large_arc_flag) sfactor = -sfactor; |
|
1480 xc = 0.5 * (x0 + x1) - sfactor * (y1 - y0); |
|
1481 yc = 0.5 * (y0 + y1) + sfactor * (x1 - x0); |
|
1482 /* (xc, yc) is center of the circle. */ |
|
1483 |
|
1484 th0 = atan2(y0 - yc, x0 - xc); |
|
1485 th1 = atan2(y1 - yc, x1 - xc); |
|
1486 |
|
1487 th_arc = th1 - th0; |
|
1488 if (th_arc < 0 && sweep_flag) |
|
1489 th_arc += 2 * Q_PI; |
|
1490 else if (th_arc > 0 && !sweep_flag) |
|
1491 th_arc -= 2 * Q_PI; |
|
1492 |
|
1493 n_segs = qCeil(qAbs(th_arc / (Q_PI * 0.5 + 0.001))); |
|
1494 |
|
1495 for (i = 0; i < n_segs; i++) { |
|
1496 pathArcSegment(path, xc, yc, |
|
1497 th0 + i * th_arc / n_segs, |
|
1498 th0 + (i + 1) * th_arc / n_segs, |
|
1499 rx, ry, x_axis_rotation); |
|
1500 } |
|
1501 } |
|
1502 |
|
1503 static bool parsePathDataFast(const QStringRef &dataStr, QPainterPath &path) |
|
1504 { |
|
1505 qreal x0 = 0, y0 = 0; // starting point |
|
1506 qreal x = 0, y = 0; // current point |
|
1507 char lastMode = 0; |
|
1508 QPointF ctrlPt; |
|
1509 const QChar *str = dataStr.constData(); |
|
1510 const QChar *end = str + dataStr.size(); |
|
1511 |
|
1512 while (str != end) { |
|
1513 while (str->isSpace()) |
|
1514 ++str; |
|
1515 QChar pathElem = *str; |
|
1516 ++str; |
|
1517 QChar endc = *end; |
|
1518 *const_cast<QChar *>(end) = 0; // parseNumbersArray requires 0-termination that QStringRef cannot guarantee |
|
1519 QVarLengthArray<qreal, 8> arg; |
|
1520 parseNumbersArray(str, arg); |
|
1521 *const_cast<QChar *>(end) = endc; |
|
1522 if (pathElem == QLatin1Char('z') || pathElem == QLatin1Char('Z')) |
|
1523 arg.append(0);//dummy |
|
1524 const qreal *num = arg.constData(); |
|
1525 int count = arg.count(); |
|
1526 while (count > 0) { |
|
1527 qreal offsetX = x; // correction offsets |
|
1528 qreal offsetY = y; // for relative commands |
|
1529 switch (pathElem.unicode()) { |
|
1530 case 'm': { |
|
1531 if (count < 2) { |
|
1532 num++; |
|
1533 count--; |
|
1534 break; |
|
1535 } |
|
1536 x = x0 = num[0] + offsetX; |
|
1537 y = y0 = num[1] + offsetY; |
|
1538 num += 2; |
|
1539 count -= 2; |
|
1540 path.moveTo(x0, y0); |
|
1541 |
|
1542 // As per 1.2 spec 8.3.2 The "moveto" commands |
|
1543 // If a 'moveto' is followed by multiple pairs of coordinates without explicit commands, |
|
1544 // the subsequent pairs shall be treated as implicit 'lineto' commands. |
|
1545 pathElem = QLatin1Char('l'); |
|
1546 } |
|
1547 break; |
|
1548 case 'M': { |
|
1549 if (count < 2) { |
|
1550 num++; |
|
1551 count--; |
|
1552 break; |
|
1553 } |
|
1554 x = x0 = num[0]; |
|
1555 y = y0 = num[1]; |
|
1556 num += 2; |
|
1557 count -= 2; |
|
1558 path.moveTo(x0, y0); |
|
1559 |
|
1560 // As per 1.2 spec 8.3.2 The "moveto" commands |
|
1561 // If a 'moveto' is followed by multiple pairs of coordinates without explicit commands, |
|
1562 // the subsequent pairs shall be treated as implicit 'lineto' commands. |
|
1563 pathElem = QLatin1Char('L'); |
|
1564 } |
|
1565 break; |
|
1566 case 'z': |
|
1567 case 'Z': { |
|
1568 x = x0; |
|
1569 y = y0; |
|
1570 count--; // skip dummy |
|
1571 num++; |
|
1572 path.closeSubpath(); |
|
1573 } |
|
1574 break; |
|
1575 case 'l': { |
|
1576 if (count < 2) { |
|
1577 num++; |
|
1578 count--; |
|
1579 break; |
|
1580 } |
|
1581 x = x0 = num[0] + offsetX; |
|
1582 y = y0 = num[1] + offsetY; |
|
1583 num += 2; |
|
1584 count -= 2; |
|
1585 path.lineTo(x, y); |
|
1586 |
|
1587 } |
|
1588 break; |
|
1589 case 'L': { |
|
1590 if (count < 2) { |
|
1591 num++; |
|
1592 count--; |
|
1593 break; |
|
1594 } |
|
1595 x = x0 = num[0]; |
|
1596 y = y0 = num[1]; |
|
1597 num += 2; |
|
1598 count -= 2; |
|
1599 path.lineTo(x, y); |
|
1600 } |
|
1601 break; |
|
1602 case 'h': { |
|
1603 x = num[0] + offsetX; |
|
1604 num++; |
|
1605 count--; |
|
1606 path.lineTo(x, y); |
|
1607 } |
|
1608 break; |
|
1609 case 'H': { |
|
1610 x = num[0]; |
|
1611 num++; |
|
1612 count--; |
|
1613 path.lineTo(x, y); |
|
1614 } |
|
1615 break; |
|
1616 case 'v': { |
|
1617 y = num[0] + offsetY; |
|
1618 num++; |
|
1619 count--; |
|
1620 path.lineTo(x, y); |
|
1621 } |
|
1622 break; |
|
1623 case 'V': { |
|
1624 y = num[0]; |
|
1625 num++; |
|
1626 count--; |
|
1627 path.lineTo(x, y); |
|
1628 } |
|
1629 break; |
|
1630 case 'c': { |
|
1631 if (count < 6) { |
|
1632 num += count; |
|
1633 count = 0; |
|
1634 break; |
|
1635 } |
|
1636 QPointF c1(num[0] + offsetX, num[1] + offsetY); |
|
1637 QPointF c2(num[2] + offsetX, num[3] + offsetY); |
|
1638 QPointF e(num[4] + offsetX, num[5] + offsetY); |
|
1639 num += 6; |
|
1640 count -= 6; |
|
1641 path.cubicTo(c1, c2, e); |
|
1642 ctrlPt = c2; |
|
1643 x = e.x(); |
|
1644 y = e.y(); |
|
1645 break; |
|
1646 } |
|
1647 case 'C': { |
|
1648 if (count < 6) { |
|
1649 num += count; |
|
1650 count = 0; |
|
1651 break; |
|
1652 } |
|
1653 QPointF c1(num[0], num[1]); |
|
1654 QPointF c2(num[2], num[3]); |
|
1655 QPointF e(num[4], num[5]); |
|
1656 num += 6; |
|
1657 count -= 6; |
|
1658 path.cubicTo(c1, c2, e); |
|
1659 ctrlPt = c2; |
|
1660 x = e.x(); |
|
1661 y = e.y(); |
|
1662 break; |
|
1663 } |
|
1664 case 's': { |
|
1665 if (count < 4) { |
|
1666 num += count; |
|
1667 count = 0; |
|
1668 break; |
|
1669 } |
|
1670 QPointF c1; |
|
1671 if (lastMode == 'c' || lastMode == 'C' || |
|
1672 lastMode == 's' || lastMode == 'S') |
|
1673 c1 = QPointF(2*x-ctrlPt.x(), 2*y-ctrlPt.y()); |
|
1674 else |
|
1675 c1 = QPointF(x, y); |
|
1676 QPointF c2(num[0] + offsetX, num[1] + offsetY); |
|
1677 QPointF e(num[2] + offsetX, num[3] + offsetY); |
|
1678 num += 4; |
|
1679 count -= 4; |
|
1680 path.cubicTo(c1, c2, e); |
|
1681 ctrlPt = c2; |
|
1682 x = e.x(); |
|
1683 y = e.y(); |
|
1684 break; |
|
1685 } |
|
1686 case 'S': { |
|
1687 if (count < 4) { |
|
1688 num += count; |
|
1689 count = 0; |
|
1690 break; |
|
1691 } |
|
1692 QPointF c1; |
|
1693 if (lastMode == 'c' || lastMode == 'C' || |
|
1694 lastMode == 's' || lastMode == 'S') |
|
1695 c1 = QPointF(2*x-ctrlPt.x(), 2*y-ctrlPt.y()); |
|
1696 else |
|
1697 c1 = QPointF(x, y); |
|
1698 QPointF c2(num[0], num[1]); |
|
1699 QPointF e(num[2], num[3]); |
|
1700 num += 4; |
|
1701 count -= 4; |
|
1702 path.cubicTo(c1, c2, e); |
|
1703 ctrlPt = c2; |
|
1704 x = e.x(); |
|
1705 y = e.y(); |
|
1706 break; |
|
1707 } |
|
1708 case 'q': { |
|
1709 if (count < 4) { |
|
1710 num += count; |
|
1711 count = 0; |
|
1712 break; |
|
1713 } |
|
1714 QPointF c(num[0] + offsetX, num[1] + offsetY); |
|
1715 QPointF e(num[2] + offsetX, num[3] + offsetY); |
|
1716 num += 4; |
|
1717 count -= 4; |
|
1718 path.quadTo(c, e); |
|
1719 ctrlPt = c; |
|
1720 x = e.x(); |
|
1721 y = e.y(); |
|
1722 break; |
|
1723 } |
|
1724 case 'Q': { |
|
1725 if (count < 4) { |
|
1726 num += count; |
|
1727 count = 0; |
|
1728 break; |
|
1729 } |
|
1730 QPointF c(num[0], num[1]); |
|
1731 QPointF e(num[2], num[3]); |
|
1732 num += 4; |
|
1733 count -= 4; |
|
1734 path.quadTo(c, e); |
|
1735 ctrlPt = c; |
|
1736 x = e.x(); |
|
1737 y = e.y(); |
|
1738 break; |
|
1739 } |
|
1740 case 't': { |
|
1741 if (count < 2) { |
|
1742 num += count; |
|
1743 count = 0; |
|
1744 break; |
|
1745 } |
|
1746 QPointF e(num[0] + offsetX, num[1] + offsetY); |
|
1747 num += 2; |
|
1748 count -= 2; |
|
1749 QPointF c; |
|
1750 if (lastMode == 'q' || lastMode == 'Q' || |
|
1751 lastMode == 't' || lastMode == 'T') |
|
1752 c = QPointF(2*x-ctrlPt.x(), 2*y-ctrlPt.y()); |
|
1753 else |
|
1754 c = QPointF(x, y); |
|
1755 path.quadTo(c, e); |
|
1756 ctrlPt = c; |
|
1757 x = e.x(); |
|
1758 y = e.y(); |
|
1759 break; |
|
1760 } |
|
1761 case 'T': { |
|
1762 if (count < 2) { |
|
1763 num += count; |
|
1764 count = 0; |
|
1765 break; |
|
1766 } |
|
1767 QPointF e(num[0], num[1]); |
|
1768 num += 2; |
|
1769 count -= 2; |
|
1770 QPointF c; |
|
1771 if (lastMode == 'q' || lastMode == 'Q' || |
|
1772 lastMode == 't' || lastMode == 'T') |
|
1773 c = QPointF(2*x-ctrlPt.x(), 2*y-ctrlPt.y()); |
|
1774 else |
|
1775 c = QPointF(x, y); |
|
1776 path.quadTo(c, e); |
|
1777 ctrlPt = c; |
|
1778 x = e.x(); |
|
1779 y = e.y(); |
|
1780 break; |
|
1781 } |
|
1782 case 'a': { |
|
1783 if (count < 7) { |
|
1784 num += count; |
|
1785 count = 0; |
|
1786 break; |
|
1787 } |
|
1788 qreal rx = (*num++); |
|
1789 qreal ry = (*num++); |
|
1790 qreal xAxisRotation = (*num++); |
|
1791 qreal largeArcFlag = (*num++); |
|
1792 qreal sweepFlag = (*num++); |
|
1793 qreal ex = (*num++) + offsetX; |
|
1794 qreal ey = (*num++) + offsetY; |
|
1795 count -= 7; |
|
1796 qreal curx = x; |
|
1797 qreal cury = y; |
|
1798 pathArc(path, rx, ry, xAxisRotation, int(largeArcFlag), |
|
1799 int(sweepFlag), ex, ey, curx, cury); |
|
1800 |
|
1801 x = ex; |
|
1802 y = ey; |
|
1803 } |
|
1804 break; |
|
1805 case 'A': { |
|
1806 if (count < 7) { |
|
1807 num += count; |
|
1808 count = 0; |
|
1809 break; |
|
1810 } |
|
1811 qreal rx = (*num++); |
|
1812 qreal ry = (*num++); |
|
1813 qreal xAxisRotation = (*num++); |
|
1814 qreal largeArcFlag = (*num++); |
|
1815 qreal sweepFlag = (*num++); |
|
1816 qreal ex = (*num++); |
|
1817 qreal ey = (*num++); |
|
1818 count -= 7; |
|
1819 qreal curx = x; |
|
1820 qreal cury = y; |
|
1821 pathArc(path, rx, ry, xAxisRotation, int(largeArcFlag), |
|
1822 int(sweepFlag), ex, ey, curx, cury); |
|
1823 |
|
1824 x = ex; |
|
1825 y = ey; |
|
1826 } |
|
1827 break; |
|
1828 default: |
|
1829 return false; |
|
1830 } |
|
1831 lastMode = pathElem.toLatin1(); |
|
1832 } |
|
1833 } |
|
1834 return true; |
|
1835 } |
|
1836 |
|
1837 static bool parseStyle(QSvgNode *node, |
|
1838 const QXmlStreamAttributes &attributes, |
|
1839 QSvgHandler *); |
|
1840 |
|
1841 static bool parseStyle(QSvgNode *node, |
|
1842 const QSvgAttributes &attributes, |
|
1843 QSvgHandler *); |
|
1844 |
|
1845 static void parseCSStoXMLAttrs(const QVector<QCss::Declaration> &declarations, |
|
1846 QXmlStreamAttributes &attributes) |
|
1847 { |
|
1848 for (int i = 0; i < declarations.count(); ++i) { |
|
1849 const QCss::Declaration &decl = declarations.at(i); |
|
1850 if (decl.d->property.isEmpty()) |
|
1851 continue; |
|
1852 QCss::Value val = decl.d->values.first(); |
|
1853 QString valueStr; |
|
1854 if (decl.d->values.count() != 1) { |
|
1855 for (int i=0; i<decl.d->values.count(); ++i) { |
|
1856 const QString &value = decl.d->values[i].toString(); |
|
1857 if (value.isEmpty()) |
|
1858 valueStr += QLatin1Char(','); |
|
1859 else |
|
1860 valueStr += value; |
|
1861 } |
|
1862 } else { |
|
1863 valueStr = val.toString(); |
|
1864 } |
|
1865 if (val.type == QCss::Value::Uri) { |
|
1866 valueStr.prepend(QLatin1String("url(")); |
|
1867 valueStr.append(QLatin1Char(')')); |
|
1868 } else if (val.type == QCss::Value::Function) { |
|
1869 QStringList lst = val.variant.toStringList(); |
|
1870 valueStr.append(lst.at(0)); |
|
1871 valueStr.append(QLatin1Char('(')); |
|
1872 for (int i = 1; i < lst.count(); ++i) { |
|
1873 valueStr.append(lst.at(i)); |
|
1874 if ((i +1) < lst.count()) |
|
1875 valueStr.append(QLatin1Char(',')); |
|
1876 } |
|
1877 valueStr.append(QLatin1Char(')')); |
|
1878 } else if (val.type == QCss::Value::KnownIdentifier) { |
|
1879 switch (val.variant.toInt()) { |
|
1880 case QCss::Value_None: |
|
1881 valueStr = QLatin1String("none"); |
|
1882 break; |
|
1883 default: |
|
1884 break; |
|
1885 } |
|
1886 } |
|
1887 |
|
1888 attributes.append(QString(), decl.d->property, valueStr); |
|
1889 } |
|
1890 } |
|
1891 |
|
1892 void QSvgHandler::parseCSStoXMLAttrs(QString css, QVector<QSvgCssAttribute> *attributes) |
|
1893 { |
|
1894 // preprocess (for unicode escapes), tokenize and remove comments |
|
1895 m_cssParser.init(css); |
|
1896 QString key; |
|
1897 |
|
1898 attributes->reserve(10); |
|
1899 |
|
1900 while (m_cssParser.hasNext()) { |
|
1901 m_cssParser.skipSpace(); |
|
1902 |
|
1903 if (!m_cssParser.hasNext()) |
|
1904 break; |
|
1905 m_cssParser.next(); |
|
1906 |
|
1907 QStringRef name; |
|
1908 if (m_cssParser.hasEscapeSequences) { |
|
1909 key = m_cssParser.lexem(); |
|
1910 name = QStringRef(&key, 0, key.length()); |
|
1911 } else { |
|
1912 const QCss::Symbol &sym = m_cssParser.symbol(); |
|
1913 name = QStringRef(&sym.text, sym.start, sym.len); |
|
1914 } |
|
1915 |
|
1916 m_cssParser.skipSpace(); |
|
1917 if (!m_cssParser.test(QCss::COLON)) |
|
1918 break; |
|
1919 |
|
1920 m_cssParser.skipSpace(); |
|
1921 if (!m_cssParser.hasNext()) |
|
1922 break; |
|
1923 |
|
1924 QSvgCssAttribute attribute; |
|
1925 attribute.name = QXmlStreamStringRef(name); |
|
1926 |
|
1927 const int firstSymbol = m_cssParser.index; |
|
1928 int symbolCount = 0; |
|
1929 do { |
|
1930 m_cssParser.next(); |
|
1931 ++symbolCount; |
|
1932 } while (m_cssParser.hasNext() && !m_cssParser.test(QCss::SEMICOLON)); |
|
1933 |
|
1934 bool canExtractValueByRef = !m_cssParser.hasEscapeSequences; |
|
1935 if (canExtractValueByRef) { |
|
1936 int len = m_cssParser.symbols.at(firstSymbol).len; |
|
1937 for (int i = firstSymbol + 1; i < firstSymbol + symbolCount; ++i) { |
|
1938 len += m_cssParser.symbols.at(i).len; |
|
1939 |
|
1940 if (m_cssParser.symbols.at(i - 1).start + m_cssParser.symbols.at(i - 1).len |
|
1941 != m_cssParser.symbols.at(i).start) { |
|
1942 canExtractValueByRef = false; |
|
1943 break; |
|
1944 } |
|
1945 } |
|
1946 if (canExtractValueByRef) { |
|
1947 const QCss::Symbol &sym = m_cssParser.symbols.at(firstSymbol); |
|
1948 attribute.value = QXmlStreamStringRef(QStringRef(&sym.text, sym.start, len)); |
|
1949 } |
|
1950 } |
|
1951 if (!canExtractValueByRef) { |
|
1952 QString value; |
|
1953 for (int i = firstSymbol; i < m_cssParser.index - 1; ++i) |
|
1954 value += m_cssParser.symbols.at(i).lexem(); |
|
1955 attribute.value = QXmlStreamStringRef(QStringRef(&value, 0, value.length())); |
|
1956 } |
|
1957 |
|
1958 attributes->append(attribute); |
|
1959 |
|
1960 m_cssParser.skipSpace(); |
|
1961 } |
|
1962 } |
|
1963 |
|
1964 static void cssStyleLookup(QSvgNode *node, |
|
1965 QSvgHandler *handler, |
|
1966 QSvgStyleSelector *selector) |
|
1967 { |
|
1968 QCss::StyleSelector::NodePtr cssNode; |
|
1969 cssNode.ptr = node; |
|
1970 QVector<QCss::Declaration> decls = selector->declarationsForNode(cssNode); |
|
1971 |
|
1972 QXmlStreamAttributes attributes; |
|
1973 parseCSStoXMLAttrs(decls, attributes); |
|
1974 parseStyle(node, attributes, handler); |
|
1975 } |
|
1976 |
|
1977 static inline QStringList stringToList(const QString &str) |
|
1978 { |
|
1979 QStringList lst = str.split(QLatin1Char(','), QString::SkipEmptyParts); |
|
1980 return lst; |
|
1981 } |
|
1982 |
|
1983 static bool parseCoreNode(QSvgNode *node, |
|
1984 const QXmlStreamAttributes &attributes) |
|
1985 { |
|
1986 QStringList features; |
|
1987 QStringList extensions; |
|
1988 QStringList languages; |
|
1989 QStringList formats; |
|
1990 QStringList fonts; |
|
1991 QString xmlClassStr; |
|
1992 |
|
1993 for (int i = 0; i < attributes.count(); ++i) { |
|
1994 const QXmlStreamAttribute &attribute = attributes.at(i); |
|
1995 QStringRef name = attribute.qualifiedName(); |
|
1996 if (name.isEmpty()) |
|
1997 continue; |
|
1998 QStringRef value = attribute.value(); |
|
1999 switch (name.at(0).unicode()) { |
|
2000 case 'c': |
|
2001 if (name == QLatin1String("class")) |
|
2002 xmlClassStr = value.toString(); |
|
2003 break; |
|
2004 case 'r': |
|
2005 if (name == QLatin1String("requiredFeatures")) |
|
2006 features = stringToList(value.toString()); |
|
2007 else if (name == QLatin1String("requiredExtensions")) |
|
2008 extensions = stringToList(value.toString()); |
|
2009 else if (name == QLatin1String("requiredFormats")) |
|
2010 formats = stringToList(value.toString()); |
|
2011 else if (name == QLatin1String("requiredFonts")) |
|
2012 fonts = stringToList(value.toString()); |
|
2013 break; |
|
2014 case 's': |
|
2015 if (name == QLatin1String("systemLanguage")) |
|
2016 languages = stringToList(value.toString()); |
|
2017 break; |
|
2018 default: |
|
2019 break; |
|
2020 } |
|
2021 } |
|
2022 |
|
2023 node->setRequiredFeatures(features); |
|
2024 node->setRequiredExtensions(extensions); |
|
2025 node->setRequiredLanguages(languages); |
|
2026 node->setRequiredFormats(formats); |
|
2027 node->setRequiredFonts(fonts); |
|
2028 node->setNodeId(someId(attributes)); |
|
2029 node->setXmlClass(xmlClassStr); |
|
2030 |
|
2031 return true; |
|
2032 } |
|
2033 |
|
2034 static void parseOpacity(QSvgNode *node, |
|
2035 const QSvgAttributes &attributes, |
|
2036 QSvgHandler *) |
|
2037 { |
|
2038 if (attributes.opacity.isEmpty()) |
|
2039 return; |
|
2040 |
|
2041 const QString value = attributes.opacity.toString().trimmed(); |
|
2042 |
|
2043 bool ok = false; |
|
2044 qreal op = value.toDouble(&ok); |
|
2045 |
|
2046 if (ok) { |
|
2047 QSvgOpacityStyle *opacity = new QSvgOpacityStyle(qBound(qreal(0.0), op, qreal(1.0))); |
|
2048 node->appendStyleProperty(opacity, attributes.id); |
|
2049 } |
|
2050 } |
|
2051 |
|
2052 static QPainter::CompositionMode svgToQtCompositionMode(const QString &op) |
|
2053 { |
|
2054 #define NOOP qDebug()<<"Operation: "<<op<<" is not implemented" |
|
2055 if (op == QLatin1String("clear")) { |
|
2056 return QPainter::CompositionMode_Clear; |
|
2057 } else if (op == QLatin1String("src")) { |
|
2058 return QPainter::CompositionMode_Source; |
|
2059 } else if (op == QLatin1String("dst")) { |
|
2060 return QPainter::CompositionMode_Destination; |
|
2061 } else if (op == QLatin1String("src-over")) { |
|
2062 return QPainter::CompositionMode_SourceOver; |
|
2063 } else if (op == QLatin1String("dst-over")) { |
|
2064 return QPainter::CompositionMode_DestinationOver; |
|
2065 } else if (op == QLatin1String("src-in")) { |
|
2066 return QPainter::CompositionMode_SourceIn; |
|
2067 } else if (op == QLatin1String("dst-in")) { |
|
2068 return QPainter::CompositionMode_DestinationIn; |
|
2069 } else if (op == QLatin1String("src-out")) { |
|
2070 return QPainter::CompositionMode_SourceOut; |
|
2071 } else if (op == QLatin1String("dst-out")) { |
|
2072 return QPainter::CompositionMode_DestinationOut; |
|
2073 } else if (op == QLatin1String("src-atop")) { |
|
2074 return QPainter::CompositionMode_SourceAtop; |
|
2075 } else if (op == QLatin1String("dst-atop")) { |
|
2076 return QPainter::CompositionMode_DestinationAtop; |
|
2077 } else if (op == QLatin1String("xor")) { |
|
2078 return QPainter::CompositionMode_Xor; |
|
2079 } else if (op == QLatin1String("plus")) { |
|
2080 return QPainter::CompositionMode_Plus; |
|
2081 } else if (op == QLatin1String("multiply")) { |
|
2082 return QPainter::CompositionMode_Multiply; |
|
2083 } else if (op == QLatin1String("screen")) { |
|
2084 return QPainter::CompositionMode_Screen; |
|
2085 } else if (op == QLatin1String("overlay")) { |
|
2086 return QPainter::CompositionMode_Overlay; |
|
2087 } else if (op == QLatin1String("darken")) { |
|
2088 return QPainter::CompositionMode_Darken; |
|
2089 } else if (op == QLatin1String("lighten")) { |
|
2090 return QPainter::CompositionMode_Lighten; |
|
2091 } else if (op == QLatin1String("color-dodge")) { |
|
2092 return QPainter::CompositionMode_ColorDodge; |
|
2093 } else if (op == QLatin1String("color-burn")) { |
|
2094 return QPainter::CompositionMode_ColorBurn; |
|
2095 } else if (op == QLatin1String("hard-light")) { |
|
2096 return QPainter::CompositionMode_HardLight; |
|
2097 } else if (op == QLatin1String("soft-light")) { |
|
2098 return QPainter::CompositionMode_SoftLight; |
|
2099 } else if (op == QLatin1String("difference")) { |
|
2100 return QPainter::CompositionMode_Difference; |
|
2101 } else if (op == QLatin1String("exclusion")) { |
|
2102 return QPainter::CompositionMode_Exclusion; |
|
2103 } else { |
|
2104 NOOP; |
|
2105 } |
|
2106 |
|
2107 return QPainter::CompositionMode_SourceOver; |
|
2108 } |
|
2109 |
|
2110 static void parseCompOp(QSvgNode *node, |
|
2111 const QSvgAttributes &attributes, |
|
2112 QSvgHandler *) |
|
2113 { |
|
2114 if (attributes.compOp.isEmpty()) |
|
2115 return; |
|
2116 QString value = attributes.compOp.toString().trimmed(); |
|
2117 |
|
2118 if (!value.isEmpty()) { |
|
2119 QSvgCompOpStyle *compop = new QSvgCompOpStyle(svgToQtCompositionMode(value)); |
|
2120 node->appendStyleProperty(compop, attributes.id); |
|
2121 } |
|
2122 } |
|
2123 |
|
2124 static inline QSvgNode::DisplayMode displayStringToEnum(const QString &str) |
|
2125 { |
|
2126 if (str == QLatin1String("inline")) { |
|
2127 return QSvgNode::InlineMode; |
|
2128 } else if (str == QLatin1String("block")) { |
|
2129 return QSvgNode::BlockMode; |
|
2130 } else if (str == QLatin1String("list-item")) { |
|
2131 return QSvgNode::ListItemMode; |
|
2132 } else if (str == QLatin1String("run-in")) { |
|
2133 return QSvgNode::RunInMode; |
|
2134 } else if (str == QLatin1String("compact")) { |
|
2135 return QSvgNode::CompactMode; |
|
2136 } else if (str == QLatin1String("marker")) { |
|
2137 return QSvgNode::MarkerMode; |
|
2138 } else if (str == QLatin1String("table")) { |
|
2139 return QSvgNode::TableMode; |
|
2140 } else if (str == QLatin1String("inline-table")) { |
|
2141 return QSvgNode::InlineTableMode; |
|
2142 } else if (str == QLatin1String("table-row")) { |
|
2143 return QSvgNode::TableRowGroupMode; |
|
2144 } else if (str == QLatin1String("table-header-group")) { |
|
2145 return QSvgNode::TableHeaderGroupMode; |
|
2146 } else if (str == QLatin1String("table-footer-group")) { |
|
2147 return QSvgNode::TableFooterGroupMode; |
|
2148 } else if (str == QLatin1String("table-row")) { |
|
2149 return QSvgNode::TableRowMode; |
|
2150 } else if (str == QLatin1String("table-column-group")) { |
|
2151 return QSvgNode::TableColumnGroupMode; |
|
2152 } else if (str == QLatin1String("table-column")) { |
|
2153 return QSvgNode::TableColumnMode; |
|
2154 } else if (str == QLatin1String("table-cell")) { |
|
2155 return QSvgNode::TableCellMode; |
|
2156 } else if (str == QLatin1String("table-caption")) { |
|
2157 return QSvgNode::TableCaptionMode; |
|
2158 } else if (str == QLatin1String("none")) { |
|
2159 return QSvgNode::NoneMode; |
|
2160 } else if (str == QT_INHERIT) { |
|
2161 return QSvgNode::InheritMode; |
|
2162 } |
|
2163 return QSvgNode::BlockMode; |
|
2164 } |
|
2165 |
|
2166 static void parseOthers(QSvgNode *node, |
|
2167 const QSvgAttributes &attributes, |
|
2168 QSvgHandler *) |
|
2169 { |
|
2170 if (attributes.display.isEmpty()) |
|
2171 return; |
|
2172 QString displayStr = attributes.display.toString().trimmed(); |
|
2173 |
|
2174 if (!displayStr.isEmpty()) { |
|
2175 node->setDisplayMode(displayStringToEnum(displayStr)); |
|
2176 } |
|
2177 } |
|
2178 |
|
2179 static bool parseStyle(QSvgNode *node, |
|
2180 const QSvgAttributes &attributes, |
|
2181 QSvgHandler *handler) |
|
2182 { |
|
2183 parseColor(node, attributes, handler); |
|
2184 parseBrush(node, attributes, handler); |
|
2185 parsePen(node, attributes, handler); |
|
2186 parseFont(node, attributes, handler); |
|
2187 parseTransform(node, attributes, handler); |
|
2188 parseVisibility(node, attributes, handler); |
|
2189 parseOpacity(node, attributes, handler); |
|
2190 parseCompOp(node, attributes, handler); |
|
2191 parseOthers(node, attributes, handler); |
|
2192 #if 0 |
|
2193 value = attributes.value("audio-level"); |
|
2194 |
|
2195 value = attributes.value("color-rendering"); |
|
2196 |
|
2197 value = attributes.value("display-align"); |
|
2198 |
|
2199 value = attributes.value("image-rendering"); |
|
2200 |
|
2201 value = attributes.value("line-increment"); |
|
2202 |
|
2203 value = attributes.value("pointer-events"); |
|
2204 |
|
2205 value = attributes.value("shape-rendering"); |
|
2206 |
|
2207 value = attributes.value("solid-color"); |
|
2208 |
|
2209 value = attributes.value("solid-opacity"); |
|
2210 |
|
2211 value = attributes.value("text-rendering"); |
|
2212 |
|
2213 value = attributes.value("vector-effect"); |
|
2214 |
|
2215 value = attributes.value("viewport-fill"); |
|
2216 |
|
2217 value = attributes.value("viewport-fill-opacity"); |
|
2218 #endif |
|
2219 return true; |
|
2220 } |
|
2221 |
|
2222 static bool parseStyle(QSvgNode *node, |
|
2223 const QXmlStreamAttributes &attrs, |
|
2224 QSvgHandler *handler) |
|
2225 { |
|
2226 return parseStyle(node, QSvgAttributes(attrs, handler), handler); |
|
2227 } |
|
2228 |
|
2229 static bool parseAnchorNode(QSvgNode *parent, |
|
2230 const QXmlStreamAttributes &attributes, |
|
2231 QSvgHandler *) |
|
2232 { |
|
2233 Q_UNUSED(parent); Q_UNUSED(attributes); |
|
2234 return true; |
|
2235 } |
|
2236 |
|
2237 static bool parseAnimateNode(QSvgNode *parent, |
|
2238 const QXmlStreamAttributes &attributes, |
|
2239 QSvgHandler *) |
|
2240 { |
|
2241 Q_UNUSED(parent); Q_UNUSED(attributes); |
|
2242 return true; |
|
2243 } |
|
2244 |
|
2245 static bool parseAnimateColorNode(QSvgNode *parent, |
|
2246 const QXmlStreamAttributes &attributes, |
|
2247 QSvgHandler *handler) |
|
2248 { |
|
2249 QString typeStr = attributes.value(QLatin1String("type")).toString(); |
|
2250 QStringRef fromStr = attributes.value(QLatin1String("from")); |
|
2251 QStringRef toStr = attributes.value(QLatin1String("to")); |
|
2252 QString valuesStr = attributes.value(QLatin1String("values")).toString(); |
|
2253 QString beginStr = attributes.value(QLatin1String("begin")).toString(); |
|
2254 QString durStr = attributes.value(QLatin1String("dur")).toString(); |
|
2255 QString targetStr = attributes.value(QLatin1String("attributeName")).toString(); |
|
2256 QString repeatStr = attributes.value(QLatin1String("repeatCount")).toString(); |
|
2257 QString fillStr = attributes.value(QLatin1String("fill")).toString(); |
|
2258 |
|
2259 QList<QColor> colors; |
|
2260 if (valuesStr.isEmpty()) { |
|
2261 QColor startColor, endColor; |
|
2262 resolveColor(fromStr, startColor, handler); |
|
2263 resolveColor(toStr, endColor, handler); |
|
2264 colors.append(startColor); |
|
2265 colors.append(endColor); |
|
2266 } else { |
|
2267 QStringList str = valuesStr.split(QLatin1Char(';')); |
|
2268 QStringList::const_iterator itr; |
|
2269 for (itr = str.constBegin(); itr != str.constEnd(); ++itr) { |
|
2270 QColor color; |
|
2271 QString str = *itr; |
|
2272 resolveColor(QStringRef(&str), color, handler); |
|
2273 colors.append(color); |
|
2274 } |
|
2275 } |
|
2276 |
|
2277 int ms = 1000; |
|
2278 beginStr = beginStr.trimmed(); |
|
2279 if (beginStr.endsWith(QLatin1String("ms"))) { |
|
2280 beginStr.chop(2); |
|
2281 ms = 1; |
|
2282 } else if (beginStr.endsWith(QLatin1String("s"))) { |
|
2283 beginStr.chop(1); |
|
2284 } |
|
2285 durStr = durStr.trimmed(); |
|
2286 if (durStr.endsWith(QLatin1String("ms"))) { |
|
2287 durStr.chop(2); |
|
2288 ms = 1; |
|
2289 } else if (durStr.endsWith(QLatin1String("s"))) { |
|
2290 durStr.chop(1); |
|
2291 } |
|
2292 int begin = static_cast<int>(toDouble(beginStr) * ms); |
|
2293 int end = static_cast<int>((toDouble(durStr) + begin) * ms); |
|
2294 |
|
2295 QSvgAnimateColor *anim = new QSvgAnimateColor(begin, end, 0); |
|
2296 anim->setArgs((targetStr == QLatin1String("fill")), colors); |
|
2297 anim->setFreeze(fillStr == QLatin1String("freeze")); |
|
2298 anim->setRepeatCount( |
|
2299 (repeatStr == QLatin1String("indefinite")) ? -1 : |
|
2300 (repeatStr == QLatin1String("")) ? 1 : toDouble(repeatStr)); |
|
2301 |
|
2302 parent->appendStyleProperty(anim, someId(attributes)); |
|
2303 parent->document()->setAnimated(true); |
|
2304 handler->setAnimPeriod(begin, end); |
|
2305 return true; |
|
2306 } |
|
2307 |
|
2308 static bool parseAimateMotionNode(QSvgNode *parent, |
|
2309 const QXmlStreamAttributes &attributes, |
|
2310 QSvgHandler *) |
|
2311 { |
|
2312 Q_UNUSED(parent); Q_UNUSED(attributes); |
|
2313 return true; |
|
2314 } |
|
2315 |
|
2316 static void parseNumberTriplet(QVector<qreal> &values, const QChar *&s) |
|
2317 { |
|
2318 QVector<qreal> list = parseNumbersList(s); |
|
2319 values << list; |
|
2320 for (int i = 3 - list.size(); i > 0; --i) |
|
2321 values.append(0.0); |
|
2322 } |
|
2323 |
|
2324 static bool parseAnimateTransformNode(QSvgNode *parent, |
|
2325 const QXmlStreamAttributes &attributes, |
|
2326 QSvgHandler *handler) |
|
2327 { |
|
2328 QString typeStr = attributes.value(QLatin1String("type")).toString(); |
|
2329 QString values = attributes.value(QLatin1String("values")).toString(); |
|
2330 QString beginStr = attributes.value(QLatin1String("begin")).toString(); |
|
2331 QString durStr = attributes.value(QLatin1String("dur")).toString(); |
|
2332 QString targetStr = attributes.value(QLatin1String("attributeName")).toString(); |
|
2333 QString repeatStr = attributes.value(QLatin1String("repeatCount")).toString(); |
|
2334 QString fillStr = attributes.value(QLatin1String("fill")).toString(); |
|
2335 QString fromStr = attributes.value(QLatin1String("from")).toString(); |
|
2336 QString toStr = attributes.value(QLatin1String("to")).toString(); |
|
2337 QString byStr = attributes.value(QLatin1String("by")).toString(); |
|
2338 QString addtv = attributes.value(QLatin1String("additive")).toString(); |
|
2339 |
|
2340 QSvgAnimateTransform::Additive additive = QSvgAnimateTransform::Replace; |
|
2341 if (addtv == QLatin1String("sum")) |
|
2342 additive = QSvgAnimateTransform::Sum; |
|
2343 |
|
2344 QVector<qreal> vals; |
|
2345 if (values.isEmpty()) { |
|
2346 const QChar *s; |
|
2347 if (fromStr.isEmpty()) { |
|
2348 if (!byStr.isEmpty()) { |
|
2349 // By-animation. |
|
2350 additive = QSvgAnimateTransform::Sum; |
|
2351 vals.append(0.0); |
|
2352 vals.append(0.0); |
|
2353 vals.append(0.0); |
|
2354 parseNumberTriplet(vals, s = byStr.constData()); |
|
2355 } else { |
|
2356 // To-animation not defined. |
|
2357 return false; |
|
2358 } |
|
2359 } else { |
|
2360 if (!toStr.isEmpty()) { |
|
2361 // From-to-animation. |
|
2362 parseNumberTriplet(vals, s = fromStr.constData()); |
|
2363 parseNumberTriplet(vals, s = toStr.constData()); |
|
2364 } else if (!byStr.isEmpty()) { |
|
2365 // From-by-animation. |
|
2366 parseNumberTriplet(vals, s = fromStr.constData()); |
|
2367 parseNumberTriplet(vals, s = byStr.constData()); |
|
2368 for (int i = vals.size() - 3; i < vals.size(); ++i) |
|
2369 vals[i] += vals[i - 3]; |
|
2370 } else { |
|
2371 return false; |
|
2372 } |
|
2373 } |
|
2374 } else { |
|
2375 const QChar *s = values.constData(); |
|
2376 while (s && *s != QLatin1Char(0)) { |
|
2377 parseNumberTriplet(vals, s); |
|
2378 if (*s == QLatin1Char(0)) |
|
2379 break; |
|
2380 ++s; |
|
2381 } |
|
2382 } |
|
2383 |
|
2384 int ms = 1000; |
|
2385 beginStr = beginStr.trimmed(); |
|
2386 if (beginStr.endsWith(QLatin1String("ms"))) { |
|
2387 beginStr.chop(2); |
|
2388 ms = 1; |
|
2389 } else if (beginStr.endsWith(QLatin1String("s"))) { |
|
2390 beginStr.chop(1); |
|
2391 } |
|
2392 int begin = static_cast<int>(toDouble(beginStr) * ms); |
|
2393 durStr = durStr.trimmed(); |
|
2394 if (durStr.endsWith(QLatin1String("ms"))) { |
|
2395 durStr.chop(2); |
|
2396 ms = 1; |
|
2397 } else if (durStr.endsWith(QLatin1String("s"))) { |
|
2398 durStr.chop(1); |
|
2399 ms = 1000; |
|
2400 } |
|
2401 int end = static_cast<int>(toDouble(durStr)*ms) + begin; |
|
2402 |
|
2403 QSvgAnimateTransform::TransformType type = QSvgAnimateTransform::Empty; |
|
2404 if (typeStr == QLatin1String("translate")) { |
|
2405 type = QSvgAnimateTransform::Translate; |
|
2406 } else if (typeStr == QLatin1String("scale")) { |
|
2407 type = QSvgAnimateTransform::Scale; |
|
2408 } else if (typeStr == QLatin1String("rotate")) { |
|
2409 type = QSvgAnimateTransform::Rotate; |
|
2410 } else if (typeStr == QLatin1String("skewX")) { |
|
2411 type = QSvgAnimateTransform::SkewX; |
|
2412 } else if (typeStr == QLatin1String("skewY")) { |
|
2413 type = QSvgAnimateTransform::SkewY; |
|
2414 } else { |
|
2415 return false; |
|
2416 } |
|
2417 |
|
2418 QSvgAnimateTransform *anim = new QSvgAnimateTransform(begin, end, 0); |
|
2419 anim->setArgs(type, additive, vals); |
|
2420 anim->setFreeze(fillStr == QLatin1String("freeze")); |
|
2421 anim->setRepeatCount( |
|
2422 (repeatStr == QLatin1String("indefinite"))? -1 : |
|
2423 (repeatStr == QLatin1String(""))? 1 : toDouble(repeatStr)); |
|
2424 |
|
2425 parent->appendStyleProperty(anim, someId(attributes)); |
|
2426 parent->document()->setAnimated(true); |
|
2427 handler->setAnimPeriod(begin, end); |
|
2428 return true; |
|
2429 } |
|
2430 |
|
2431 static QSvgNode * createAnimationNode(QSvgNode *parent, |
|
2432 const QXmlStreamAttributes &attributes, |
|
2433 QSvgHandler *) |
|
2434 { |
|
2435 Q_UNUSED(parent); Q_UNUSED(attributes); |
|
2436 return 0; |
|
2437 } |
|
2438 |
|
2439 static bool parseAudioNode(QSvgNode *parent, |
|
2440 const QXmlStreamAttributes &attributes, |
|
2441 QSvgHandler *) |
|
2442 { |
|
2443 Q_UNUSED(parent); Q_UNUSED(attributes); |
|
2444 return true; |
|
2445 } |
|
2446 |
|
2447 static QSvgNode *createCircleNode(QSvgNode *parent, |
|
2448 const QXmlStreamAttributes &attributes, |
|
2449 QSvgHandler *) |
|
2450 { |
|
2451 QString cx = attributes.value(QLatin1String("cx")).toString(); |
|
2452 QString cy = attributes.value(QLatin1String("cy")).toString(); |
|
2453 QString r = attributes.value(QLatin1String("r")).toString(); |
|
2454 qreal ncx = toDouble(cx); |
|
2455 qreal ncy = toDouble(cy); |
|
2456 qreal nr = toDouble(r); |
|
2457 |
|
2458 QRectF rect(ncx-nr, ncy-nr, nr*2, nr*2); |
|
2459 QSvgNode *circle = new QSvgCircle(parent, rect); |
|
2460 return circle; |
|
2461 } |
|
2462 |
|
2463 static QSvgNode *createDefsNode(QSvgNode *parent, |
|
2464 const QXmlStreamAttributes &attributes, |
|
2465 QSvgHandler *) |
|
2466 { |
|
2467 Q_UNUSED(attributes); |
|
2468 QSvgDefs *defs = new QSvgDefs(parent); |
|
2469 return defs; |
|
2470 } |
|
2471 |
|
2472 static bool parseDescNode(QSvgNode *parent, |
|
2473 const QXmlStreamAttributes &attributes, |
|
2474 QSvgHandler *) |
|
2475 { |
|
2476 Q_UNUSED(parent); Q_UNUSED(attributes); |
|
2477 return true; |
|
2478 } |
|
2479 |
|
2480 static bool parseDiscardNode(QSvgNode *parent, |
|
2481 const QXmlStreamAttributes &attributes, |
|
2482 QSvgHandler *) |
|
2483 { |
|
2484 Q_UNUSED(parent); Q_UNUSED(attributes); |
|
2485 return true; |
|
2486 } |
|
2487 |
|
2488 static QSvgNode *createEllipseNode(QSvgNode *parent, |
|
2489 const QXmlStreamAttributes &attributes, |
|
2490 QSvgHandler *) |
|
2491 { |
|
2492 QString cx = attributes.value(QLatin1String("cx")).toString(); |
|
2493 QString cy = attributes.value(QLatin1String("cy")).toString(); |
|
2494 QString rx = attributes.value(QLatin1String("rx")).toString(); |
|
2495 QString ry = attributes.value(QLatin1String("ry")).toString(); |
|
2496 qreal ncx = toDouble(cx); |
|
2497 qreal ncy = toDouble(cy); |
|
2498 qreal nrx = toDouble(rx); |
|
2499 qreal nry = toDouble(ry); |
|
2500 |
|
2501 QRectF rect(ncx-nrx, ncy-nry, nrx*2, nry*2); |
|
2502 QSvgNode *ellipse = new QSvgEllipse(parent, rect); |
|
2503 return ellipse; |
|
2504 } |
|
2505 |
|
2506 static QSvgStyleProperty *createFontNode(QSvgNode *parent, |
|
2507 const QXmlStreamAttributes &attributes, |
|
2508 QSvgHandler *) |
|
2509 { |
|
2510 QString hax = attributes.value(QLatin1String("horiz-adv-x")).toString(); |
|
2511 QString myId = someId(attributes); |
|
2512 |
|
2513 qreal horizAdvX = toDouble(hax); |
|
2514 |
|
2515 while (parent && parent->type() != QSvgNode::DOC) { |
|
2516 parent = parent->parent(); |
|
2517 } |
|
2518 |
|
2519 if (parent) { |
|
2520 QSvgTinyDocument *doc = static_cast<QSvgTinyDocument*>(parent); |
|
2521 QSvgFont *font = new QSvgFont(horizAdvX); |
|
2522 font->setFamilyName(myId); |
|
2523 if (!font->familyName().isEmpty()) { |
|
2524 if (!doc->svgFont(font->familyName())) |
|
2525 doc->addSvgFont(font); |
|
2526 } |
|
2527 return new QSvgFontStyle(font, doc); |
|
2528 } |
|
2529 return 0; |
|
2530 } |
|
2531 |
|
2532 static bool parseFontFaceNode(QSvgStyleProperty *parent, |
|
2533 const QXmlStreamAttributes &attributes, |
|
2534 QSvgHandler *) |
|
2535 { |
|
2536 if (parent->type() != QSvgStyleProperty::FONT) { |
|
2537 return false; |
|
2538 } |
|
2539 |
|
2540 QSvgFontStyle *style = static_cast<QSvgFontStyle*>(parent); |
|
2541 QSvgFont *font = style->svgFont(); |
|
2542 QString name = attributes.value(QLatin1String("font-family")).toString(); |
|
2543 QString unitsPerEmStr = attributes.value(QLatin1String("units-per-em")).toString(); |
|
2544 |
|
2545 qreal unitsPerEm = toDouble(unitsPerEmStr); |
|
2546 if (!unitsPerEm) |
|
2547 unitsPerEm = 1000; |
|
2548 |
|
2549 if (!name.isEmpty()) |
|
2550 font->setFamilyName(name); |
|
2551 font->setUnitsPerEm(unitsPerEm); |
|
2552 |
|
2553 if (!font->familyName().isEmpty()) |
|
2554 if (!style->doc()->svgFont(font->familyName())) |
|
2555 style->doc()->addSvgFont(font); |
|
2556 |
|
2557 return true; |
|
2558 } |
|
2559 |
|
2560 static bool parseFontFaceNameNode(QSvgStyleProperty *parent, |
|
2561 const QXmlStreamAttributes &attributes, |
|
2562 QSvgHandler *) |
|
2563 { |
|
2564 if (parent->type() != QSvgStyleProperty::FONT) { |
|
2565 return false; |
|
2566 } |
|
2567 |
|
2568 QSvgFontStyle *style = static_cast<QSvgFontStyle*>(parent); |
|
2569 QSvgFont *font = style->svgFont(); |
|
2570 QString name = attributes.value(QLatin1String("name")).toString(); |
|
2571 |
|
2572 if (!name.isEmpty()) |
|
2573 font->setFamilyName(name); |
|
2574 |
|
2575 if (!font->familyName().isEmpty()) |
|
2576 if (!style->doc()->svgFont(font->familyName())) |
|
2577 style->doc()->addSvgFont(font); |
|
2578 |
|
2579 return true; |
|
2580 } |
|
2581 |
|
2582 static bool parseFontFaceSrcNode(QSvgStyleProperty *parent, |
|
2583 const QXmlStreamAttributes &attributes, |
|
2584 QSvgHandler *) |
|
2585 { |
|
2586 Q_UNUSED(parent); Q_UNUSED(attributes); |
|
2587 return true; |
|
2588 } |
|
2589 |
|
2590 static bool parseFontFaceUriNode(QSvgStyleProperty *parent, |
|
2591 const QXmlStreamAttributes &attributes, |
|
2592 QSvgHandler *) |
|
2593 { |
|
2594 Q_UNUSED(parent); Q_UNUSED(attributes); |
|
2595 return true; |
|
2596 } |
|
2597 |
|
2598 static bool parseForeignObjectNode(QSvgNode *parent, |
|
2599 const QXmlStreamAttributes &attributes, |
|
2600 QSvgHandler *) |
|
2601 { |
|
2602 Q_UNUSED(parent); Q_UNUSED(attributes); |
|
2603 return true; |
|
2604 } |
|
2605 |
|
2606 static QSvgNode *createGNode(QSvgNode *parent, |
|
2607 const QXmlStreamAttributes &attributes, |
|
2608 QSvgHandler *) |
|
2609 { |
|
2610 Q_UNUSED(attributes); |
|
2611 QSvgG *node = new QSvgG(parent); |
|
2612 return node; |
|
2613 } |
|
2614 |
|
2615 static bool parseGlyphNode(QSvgStyleProperty *parent, |
|
2616 const QXmlStreamAttributes &attributes, |
|
2617 QSvgHandler *) |
|
2618 { |
|
2619 if (parent->type() != QSvgStyleProperty::FONT) { |
|
2620 return false; |
|
2621 } |
|
2622 |
|
2623 QSvgFontStyle *style = static_cast<QSvgFontStyle*>(parent); |
|
2624 QSvgFont *font = style->svgFont(); |
|
2625 createSvgGlyph(font, attributes); |
|
2626 return true; |
|
2627 } |
|
2628 |
|
2629 static bool parseHandlerNode(QSvgNode *parent, |
|
2630 const QXmlStreamAttributes &attributes, |
|
2631 QSvgHandler *) |
|
2632 { |
|
2633 Q_UNUSED(parent); Q_UNUSED(attributes); |
|
2634 return true; |
|
2635 } |
|
2636 |
|
2637 static bool parseHkernNode(QSvgNode *parent, |
|
2638 const QXmlStreamAttributes &attributes, |
|
2639 QSvgHandler *) |
|
2640 { |
|
2641 Q_UNUSED(parent); Q_UNUSED(attributes); |
|
2642 return true; |
|
2643 } |
|
2644 |
|
2645 static QSvgNode *createImageNode(QSvgNode *parent, |
|
2646 const QXmlStreamAttributes &attributes, |
|
2647 QSvgHandler *handler) |
|
2648 { |
|
2649 QString x = attributes.value(QLatin1String("x")).toString(); |
|
2650 QString y = attributes.value(QLatin1String("y")).toString(); |
|
2651 QString width = attributes.value(QLatin1String("width")).toString(); |
|
2652 QString height = attributes.value(QLatin1String("height")).toString(); |
|
2653 QString filename = attributes.value(QLatin1String("xlink:href")).toString(); |
|
2654 qreal nx = toDouble(x); |
|
2655 qreal ny = toDouble(y); |
|
2656 QSvgHandler::LengthType type; |
|
2657 qreal nwidth = parseLength(width, type, handler); |
|
2658 nwidth = convertToPixels(nwidth, true, type); |
|
2659 |
|
2660 qreal nheight = parseLength(height, type, handler); |
|
2661 nheight = convertToPixels(nheight, false, type); |
|
2662 |
|
2663 |
|
2664 filename = filename.trimmed(); |
|
2665 QImage image; |
|
2666 if (filename.startsWith(QLatin1String("data"))) { |
|
2667 int idx = filename.lastIndexOf(QLatin1String("base64,")); |
|
2668 if (idx != -1) { |
|
2669 idx += 7; |
|
2670 QString dataStr = filename.mid(idx); |
|
2671 QByteArray data = QByteArray::fromBase64(dataStr.toAscii()); |
|
2672 image = QImage::fromData(data); |
|
2673 } else { |
|
2674 qDebug()<<"QSvgHandler::createImageNode: Unrecognized inline image format!"; |
|
2675 } |
|
2676 } else |
|
2677 image = QImage(filename); |
|
2678 |
|
2679 if (image.isNull()) { |
|
2680 qDebug()<<"couldn't create image from "<<filename; |
|
2681 return 0; |
|
2682 } |
|
2683 |
|
2684 if (image.format() == QImage::Format_ARGB32) |
|
2685 image = image.convertToFormat(QImage::Format_ARGB32_Premultiplied); |
|
2686 |
|
2687 QSvgNode *img = new QSvgImage(parent, |
|
2688 image, |
|
2689 QRect(int(nx), |
|
2690 int(ny), |
|
2691 int(nwidth), |
|
2692 int(nheight))); |
|
2693 return img; |
|
2694 } |
|
2695 |
|
2696 static QSvgNode *createLineNode(QSvgNode *parent, |
|
2697 const QXmlStreamAttributes &attributes, |
|
2698 QSvgHandler *) |
|
2699 { |
|
2700 QString x1 = attributes.value(QLatin1String("x1")).toString(); |
|
2701 QString y1 = attributes.value(QLatin1String("y1")).toString(); |
|
2702 QString x2 = attributes.value(QLatin1String("x2")).toString(); |
|
2703 QString y2 = attributes.value(QLatin1String("y2")).toString(); |
|
2704 qreal nx1 = toDouble(x1); |
|
2705 qreal ny1 = toDouble(y1); |
|
2706 qreal nx2 = toDouble(x2); |
|
2707 qreal ny2 = toDouble(y2); |
|
2708 |
|
2709 QLineF lineBounds(nx1, ny1, nx2, ny2); |
|
2710 QSvgNode *line = new QSvgLine(parent, lineBounds); |
|
2711 return line; |
|
2712 } |
|
2713 |
|
2714 |
|
2715 static void parseBaseGradient(QSvgNode *node, |
|
2716 const QXmlStreamAttributes &attributes, |
|
2717 QSvgGradientStyle *gradProp, |
|
2718 QSvgHandler *handler) |
|
2719 { |
|
2720 QString link = attributes.value(QLatin1String("xlink:href")).toString(); |
|
2721 QStringRef trans = attributes.value(QLatin1String("gradientTransform")); |
|
2722 QString spread = attributes.value(QLatin1String("spreadMethod")).toString(); |
|
2723 QString units = attributes.value(QLatin1String("gradientUnits")).toString(); |
|
2724 QStringRef colorStr = attributes.value(QLatin1String("color")); |
|
2725 QStringRef colorOpacityStr = attributes.value(QLatin1String("color-opacity")); |
|
2726 |
|
2727 QColor color; |
|
2728 if (constructColor(colorStr, colorOpacityStr, color, handler)) { |
|
2729 handler->popColor(); |
|
2730 handler->pushColor(color); |
|
2731 } |
|
2732 |
|
2733 QMatrix matrix; |
|
2734 QGradient *grad = gradProp->qgradient(); |
|
2735 if (!link.isEmpty()) { |
|
2736 QSvgStyleProperty *prop = node->styleProperty(link); |
|
2737 //qDebug()<<"inherited "<<prop<<" ("<<link<<")"; |
|
2738 if (prop && prop->type() == QSvgStyleProperty::GRADIENT) { |
|
2739 QSvgGradientStyle *inherited = |
|
2740 static_cast<QSvgGradientStyle*>(prop); |
|
2741 if (!inherited->stopLink().isEmpty()) { |
|
2742 gradProp->setStopLink(inherited->stopLink(), handler->document()); |
|
2743 } else { |
|
2744 grad->setStops(inherited->qgradient()->stops()); |
|
2745 gradProp->setGradientStopsSet(inherited->gradientStopsSet()); |
|
2746 } |
|
2747 |
|
2748 matrix = inherited->qmatrix(); |
|
2749 } else { |
|
2750 gradProp->setStopLink(link, handler->document()); |
|
2751 } |
|
2752 } |
|
2753 |
|
2754 if (!trans.isEmpty()) { |
|
2755 matrix = parseTransformationMatrix(trans); |
|
2756 gradProp->setMatrix(matrix); |
|
2757 } else if (!matrix.isIdentity()) { |
|
2758 gradProp->setMatrix(matrix); |
|
2759 } |
|
2760 |
|
2761 if (!spread.isEmpty()) { |
|
2762 if (spread == QLatin1String("pad")) { |
|
2763 grad->setSpread(QGradient::PadSpread); |
|
2764 } else if (spread == QLatin1String("reflect")) { |
|
2765 grad->setSpread(QGradient::ReflectSpread); |
|
2766 } else if (spread == QLatin1String("repeat")) { |
|
2767 grad->setSpread(QGradient::RepeatSpread); |
|
2768 } |
|
2769 } |
|
2770 |
|
2771 if (units.isEmpty() || units == QLatin1String("objectBoundingBox")) { |
|
2772 grad->setCoordinateMode(QGradient::ObjectBoundingMode); |
|
2773 } |
|
2774 } |
|
2775 |
|
2776 static QSvgStyleProperty *createLinearGradientNode(QSvgNode *node, |
|
2777 const QXmlStreamAttributes &attributes, |
|
2778 QSvgHandler *handler) |
|
2779 { |
|
2780 QString x1 = attributes.value(QLatin1String("x1")).toString(); |
|
2781 QString y1 = attributes.value(QLatin1String("y1")).toString(); |
|
2782 QString x2 = attributes.value(QLatin1String("x2")).toString(); |
|
2783 QString y2 = attributes.value(QLatin1String("y2")).toString(); |
|
2784 |
|
2785 qreal nx1 = 0.0; |
|
2786 qreal ny1 = 0.0; |
|
2787 qreal nx2 = 1.0; |
|
2788 qreal ny2 = 0.0; |
|
2789 |
|
2790 if (!x1.isEmpty()) |
|
2791 nx1 = convertToNumber(x1, handler); |
|
2792 if (!y1.isEmpty()) |
|
2793 ny1 = convertToNumber(y1, handler); |
|
2794 if (!x2.isEmpty()) |
|
2795 nx2 = convertToNumber(x2, handler); |
|
2796 if (!y2.isEmpty()) |
|
2797 ny2 = convertToNumber(y2, handler); |
|
2798 |
|
2799 QSvgNode *itr = node; |
|
2800 while (itr && itr->type() != QSvgNode::DOC) { |
|
2801 itr = itr->parent(); |
|
2802 } |
|
2803 |
|
2804 QLinearGradient *grad = new QLinearGradient(nx1, ny1, nx2, ny2); |
|
2805 grad->setInterpolationMode(QGradient::ComponentInterpolation); |
|
2806 QSvgGradientStyle *prop = new QSvgGradientStyle(grad); |
|
2807 parseBaseGradient(node, attributes, prop, handler); |
|
2808 |
|
2809 return prop; |
|
2810 } |
|
2811 |
|
2812 static bool parseMetadataNode(QSvgNode *parent, |
|
2813 const QXmlStreamAttributes &attributes, |
|
2814 QSvgHandler *) |
|
2815 { |
|
2816 Q_UNUSED(parent); Q_UNUSED(attributes); |
|
2817 return true; |
|
2818 } |
|
2819 |
|
2820 static bool parseMissingGlyphNode(QSvgStyleProperty *parent, |
|
2821 const QXmlStreamAttributes &attributes, |
|
2822 QSvgHandler *) |
|
2823 { |
|
2824 if (parent->type() != QSvgStyleProperty::FONT) { |
|
2825 return false; |
|
2826 } |
|
2827 |
|
2828 QSvgFontStyle *style = static_cast<QSvgFontStyle*>(parent); |
|
2829 QSvgFont *font = style->svgFont(); |
|
2830 createSvgGlyph(font, attributes); |
|
2831 return true; |
|
2832 } |
|
2833 |
|
2834 static bool parseMpathNode(QSvgNode *parent, |
|
2835 const QXmlStreamAttributes &attributes, |
|
2836 QSvgHandler *) |
|
2837 { |
|
2838 Q_UNUSED(parent); Q_UNUSED(attributes); |
|
2839 return true; |
|
2840 } |
|
2841 |
|
2842 static QSvgNode *createPathNode(QSvgNode *parent, |
|
2843 const QXmlStreamAttributes &attributes, |
|
2844 QSvgHandler *) |
|
2845 { |
|
2846 QStringRef data = attributes.value(QLatin1String("d")); |
|
2847 |
|
2848 QPainterPath qpath; |
|
2849 qpath.setFillRule(Qt::WindingFill); |
|
2850 //XXX do error handling |
|
2851 parsePathDataFast(data, qpath); |
|
2852 |
|
2853 QSvgNode *path = new QSvgPath(parent, qpath); |
|
2854 return path; |
|
2855 } |
|
2856 |
|
2857 static QSvgNode *createPolygonNode(QSvgNode *parent, |
|
2858 const QXmlStreamAttributes &attributes, |
|
2859 QSvgHandler *) |
|
2860 { |
|
2861 QString pointsStr = attributes.value(QLatin1String("points")).toString(); |
|
2862 |
|
2863 //same QPolygon parsing is in createPolylineNode |
|
2864 const QChar *s = pointsStr.constData(); |
|
2865 QVector<qreal> points = parseNumbersList(s); |
|
2866 QPolygonF poly(points.count()/2); |
|
2867 int i = 0; |
|
2868 QVector<qreal>::const_iterator itr = points.constBegin(); |
|
2869 while (itr != points.constEnd()) { |
|
2870 qreal one = *itr; ++itr; |
|
2871 qreal two = *itr; ++itr; |
|
2872 poly[i] = QPointF(one, two); |
|
2873 ++i; |
|
2874 } |
|
2875 QSvgNode *polygon = new QSvgPolygon(parent, poly); |
|
2876 return polygon; |
|
2877 } |
|
2878 |
|
2879 static QSvgNode *createPolylineNode(QSvgNode *parent, |
|
2880 const QXmlStreamAttributes &attributes, |
|
2881 QSvgHandler *) |
|
2882 { |
|
2883 QString pointsStr = attributes.value(QLatin1String("points")).toString(); |
|
2884 |
|
2885 //same QPolygon parsing is in createPolygonNode |
|
2886 const QChar *s = pointsStr.constData(); |
|
2887 QVector<qreal> points = parseNumbersList(s); |
|
2888 QPolygonF poly(points.count()/2); |
|
2889 int i = 0; |
|
2890 QVector<qreal>::const_iterator itr = points.constBegin(); |
|
2891 while (itr != points.constEnd()) { |
|
2892 qreal one = *itr; ++itr; |
|
2893 qreal two = *itr; ++itr; |
|
2894 poly[i] = QPointF(one, two); |
|
2895 ++i; |
|
2896 } |
|
2897 |
|
2898 QSvgNode *line = new QSvgPolyline(parent, poly); |
|
2899 return line; |
|
2900 } |
|
2901 |
|
2902 static bool parsePrefetchNode(QSvgNode *parent, |
|
2903 const QXmlStreamAttributes &attributes, |
|
2904 QSvgHandler *) |
|
2905 { |
|
2906 Q_UNUSED(parent); Q_UNUSED(attributes); |
|
2907 return true; |
|
2908 } |
|
2909 |
|
2910 static QSvgStyleProperty *createRadialGradientNode(QSvgNode *node, |
|
2911 const QXmlStreamAttributes &attributes, |
|
2912 QSvgHandler *handler) |
|
2913 { |
|
2914 QString cx = attributes.value(QLatin1String("cx")).toString(); |
|
2915 QString cy = attributes.value(QLatin1String("cy")).toString(); |
|
2916 QString r = attributes.value(QLatin1String("r")).toString(); |
|
2917 QString fx = attributes.value(QLatin1String("fx")).toString(); |
|
2918 QString fy = attributes.value(QLatin1String("fy")).toString(); |
|
2919 |
|
2920 qreal ncx = 0.5; |
|
2921 qreal ncy = 0.5; |
|
2922 qreal nr = 0.5; |
|
2923 if (!cx.isEmpty()) |
|
2924 ncx = toDouble(cx); |
|
2925 if (!cy.isEmpty()) |
|
2926 ncy = toDouble(cy); |
|
2927 if (!r.isEmpty()) |
|
2928 nr = toDouble(r); |
|
2929 |
|
2930 qreal nfx = ncx; |
|
2931 if (!fx.isEmpty()) |
|
2932 nfx = toDouble(fx); |
|
2933 qreal nfy = ncy; |
|
2934 if (!fy.isEmpty()) |
|
2935 nfy = toDouble(fy); |
|
2936 |
|
2937 QRadialGradient *grad = new QRadialGradient(ncx, ncy, nr, nfx, nfy); |
|
2938 grad->setInterpolationMode(QGradient::ComponentInterpolation); |
|
2939 |
|
2940 QSvgGradientStyle *prop = new QSvgGradientStyle(grad); |
|
2941 parseBaseGradient(node, attributes, prop, handler); |
|
2942 |
|
2943 return prop; |
|
2944 } |
|
2945 |
|
2946 static QSvgNode *createRectNode(QSvgNode *parent, |
|
2947 const QXmlStreamAttributes &attributes, |
|
2948 QSvgHandler *handler) |
|
2949 { |
|
2950 QString x = attributes.value(QLatin1String("x")).toString(); |
|
2951 QString y = attributes.value(QLatin1String("y")).toString(); |
|
2952 QString width = attributes.value(QLatin1String("width")).toString(); |
|
2953 QString height = attributes.value(QLatin1String("height")).toString(); |
|
2954 QString rx = attributes.value(QLatin1String("rx")).toString(); |
|
2955 QString ry = attributes.value(QLatin1String("ry")).toString(); |
|
2956 |
|
2957 QSvgHandler::LengthType type; |
|
2958 qreal nwidth = parseLength(width, type, handler); |
|
2959 nwidth = convertToPixels(nwidth, true, type); |
|
2960 |
|
2961 qreal nheight = parseLength(height, type, handler); |
|
2962 nheight = convertToPixels(nheight, true, type); |
|
2963 qreal nrx = toDouble(rx); |
|
2964 qreal nry = toDouble(ry); |
|
2965 |
|
2966 QRectF bounds(toDouble(x), toDouble(y), |
|
2967 nwidth, nheight); |
|
2968 |
|
2969 //9.2 The 'rect' element clearly specifies it |
|
2970 // but the case might in fact be handled because |
|
2971 // we draw rounded rectangles differently |
|
2972 if (nrx > bounds.width()/2) |
|
2973 nrx = bounds.width()/2; |
|
2974 if (nry > bounds.height()/2) |
|
2975 nry = bounds.height()/2; |
|
2976 |
|
2977 if (nrx && !nry) |
|
2978 nry = nrx; |
|
2979 else if (nry && !nrx) |
|
2980 nrx = nry; |
|
2981 |
|
2982 //we draw rounded rect from 0...99 |
|
2983 //svg from 0...bounds.width()/2 so we're adjusting the |
|
2984 //coordinates |
|
2985 nrx *= (100/(bounds.width()/2)); |
|
2986 nry *= (100/(bounds.height()/2)); |
|
2987 |
|
2988 QSvgNode *rect = new QSvgRect(parent, bounds, |
|
2989 int(nrx), |
|
2990 int(nry)); |
|
2991 return rect; |
|
2992 } |
|
2993 |
|
2994 static bool parseScriptNode(QSvgNode *parent, |
|
2995 const QXmlStreamAttributes &attributes, |
|
2996 QSvgHandler *) |
|
2997 { |
|
2998 Q_UNUSED(parent); Q_UNUSED(attributes); |
|
2999 return true; |
|
3000 } |
|
3001 |
|
3002 static bool parseSetNode(QSvgNode *parent, |
|
3003 const QXmlStreamAttributes &attributes, |
|
3004 QSvgHandler *) |
|
3005 { |
|
3006 Q_UNUSED(parent); Q_UNUSED(attributes); |
|
3007 return true; |
|
3008 } |
|
3009 |
|
3010 static QSvgStyleProperty *createSolidColorNode(QSvgNode *parent, |
|
3011 const QXmlStreamAttributes &attributes, |
|
3012 QSvgHandler *handler) |
|
3013 { |
|
3014 Q_UNUSED(parent); Q_UNUSED(attributes); |
|
3015 QStringRef solidColorStr = attributes.value(QLatin1String("solid-color")); |
|
3016 QStringRef solidOpacityStr = attributes.value(QLatin1String("solid-opacity")); |
|
3017 |
|
3018 if (solidOpacityStr.isEmpty()) |
|
3019 solidOpacityStr = attributes.value(QLatin1String("opacity")); |
|
3020 |
|
3021 QColor color; |
|
3022 if (!constructColor(solidColorStr, solidOpacityStr, color, handler)) |
|
3023 return 0; |
|
3024 QSvgSolidColorStyle *style = new QSvgSolidColorStyle(color); |
|
3025 return style; |
|
3026 } |
|
3027 |
|
3028 static bool parseStopNode(QSvgStyleProperty *parent, |
|
3029 const QXmlStreamAttributes &attributes, |
|
3030 QSvgHandler *handler) |
|
3031 { |
|
3032 if (parent->type() != QSvgStyleProperty::GRADIENT) |
|
3033 return false; |
|
3034 QString nodeIdStr = someId(attributes); |
|
3035 QString xmlClassStr = attributes.value(QLatin1String("class")).toString(); |
|
3036 |
|
3037 //### nasty hack because stop gradients are not in the rendering tree |
|
3038 // we force a dummy node with the same id and class into a rendering |
|
3039 // tree to figure out whether the selector has a style for it |
|
3040 // QSvgStyleSelector should be coded in a way that could avoid it |
|
3041 QSvgAnimation anim; |
|
3042 anim.setNodeId(nodeIdStr); |
|
3043 anim.setXmlClass(xmlClassStr); |
|
3044 |
|
3045 QCss::StyleSelector::NodePtr cssNode; |
|
3046 cssNode.ptr = &anim; |
|
3047 QVector<QCss::Declaration> decls = handler->selector()->declarationsForNode(cssNode); |
|
3048 |
|
3049 QXmlStreamAttributes xmlAttr = attributes; |
|
3050 for (int i = 0; i < decls.count(); ++i) { |
|
3051 const QCss::Declaration &decl = decls.at(i); |
|
3052 |
|
3053 if (decl.d->property.isEmpty()) |
|
3054 continue; |
|
3055 if (decl.d->values.count() != 1) |
|
3056 continue; |
|
3057 QCss::Value val = decl.d->values.first(); |
|
3058 QString valueStr = val.toString(); |
|
3059 if (val.type == QCss::Value::Uri) { |
|
3060 valueStr.prepend(QLatin1String("url(")); |
|
3061 valueStr.append(QLatin1Char(')')); |
|
3062 } |
|
3063 xmlAttr.append(QString(), decl.d->property, valueStr); |
|
3064 } |
|
3065 QSvgAttributes attrs(xmlAttr, handler); |
|
3066 |
|
3067 QSvgGradientStyle *style = |
|
3068 static_cast<QSvgGradientStyle*>(parent); |
|
3069 QString offsetStr = attrs.offset.toString(); |
|
3070 QStringRef colorStr = attrs.stopColor; |
|
3071 QColor color; |
|
3072 |
|
3073 bool ok = true; |
|
3074 qreal offset = convertToNumber(offsetStr, handler, &ok); |
|
3075 if (!ok) |
|
3076 offset = 0.0; |
|
3077 QString black = QString::fromLatin1("#000000"); |
|
3078 if (colorStr.isEmpty()) { |
|
3079 colorStr = QStringRef(&black); |
|
3080 } |
|
3081 |
|
3082 constructColor(colorStr, attrs.stopOpacity, color, handler); |
|
3083 |
|
3084 QGradient *grad = style->qgradient(); |
|
3085 |
|
3086 offset = qMin(qreal(1), qMax(qreal(0), offset)); // Clamp to range [0, 1] |
|
3087 QGradientStops stops; |
|
3088 if (style->gradientStopsSet()) { |
|
3089 stops = grad->stops(); |
|
3090 // If the stop offset equals the one previously added, add an epsilon to make it greater. |
|
3091 if (offset <= stops.back().first) |
|
3092 offset = stops.back().first + FLT_EPSILON; |
|
3093 } |
|
3094 |
|
3095 // If offset is greater than one, it must be clamped to one. |
|
3096 if (offset > 1.0) { |
|
3097 if ((stops.size() == 1) || (stops.at(stops.size() - 2).first < 1.0 - FLT_EPSILON)) { |
|
3098 stops.back().first = 1.0 - FLT_EPSILON; |
|
3099 grad->setStops(stops); |
|
3100 } |
|
3101 offset = 1.0; |
|
3102 } |
|
3103 |
|
3104 grad->setColorAt(offset, color); |
|
3105 style->setGradientStopsSet(true); |
|
3106 return true; |
|
3107 } |
|
3108 |
|
3109 static bool parseStyleNode(QSvgNode *parent, |
|
3110 const QXmlStreamAttributes &attributes, |
|
3111 QSvgHandler *handler) |
|
3112 { |
|
3113 Q_UNUSED(parent); |
|
3114 QString type = attributes.value(QLatin1String("type")).toString(); |
|
3115 type = type.toLower(); |
|
3116 |
|
3117 if (type == QLatin1String("text/css")) { |
|
3118 handler->setInStyle(true); |
|
3119 } |
|
3120 |
|
3121 return true; |
|
3122 } |
|
3123 |
|
3124 static QSvgNode *createSvgNode(QSvgNode *parent, |
|
3125 const QXmlStreamAttributes &attributes, |
|
3126 QSvgHandler *handler) |
|
3127 { |
|
3128 Q_UNUSED(parent); Q_UNUSED(attributes); |
|
3129 |
|
3130 QString baseProfile = attributes.value(QLatin1String("baseProfile")).toString(); |
|
3131 #if 0 |
|
3132 if (baseProfile.isEmpty() && baseProfile != QLatin1String("tiny")) { |
|
3133 qWarning("Profile is %s while we only support tiny!", |
|
3134 qPrintable(baseProfile)); |
|
3135 } |
|
3136 #endif |
|
3137 |
|
3138 QSvgTinyDocument *node = new QSvgTinyDocument(); |
|
3139 QString widthStr = attributes.value(QLatin1String("width")).toString(); |
|
3140 QString heightStr = attributes.value(QLatin1String("height")).toString(); |
|
3141 QString viewBoxStr = attributes.value(QLatin1String("viewBox")).toString(); |
|
3142 |
|
3143 QSvgHandler::LengthType type = QSvgHandler::LT_PX; // FIXME: is the default correct? |
|
3144 qreal width = 0; |
|
3145 if (!widthStr.isEmpty()) { |
|
3146 width = parseLength(widthStr, type, handler); |
|
3147 if (type != QSvgHandler::LT_PT) |
|
3148 width = convertToPixels(width, true, type); |
|
3149 node->setWidth(int(width), type == QSvgHandler::LT_PERCENT); |
|
3150 } |
|
3151 qreal height = 0; |
|
3152 if (!heightStr.isEmpty()) { |
|
3153 height = parseLength(heightStr, type, handler); |
|
3154 if (type != QSvgHandler::LT_PT) |
|
3155 height = convertToPixels(height, false, type); |
|
3156 node->setHeight(int(height), type == QSvgHandler::LT_PERCENT); |
|
3157 } |
|
3158 |
|
3159 QStringList viewBoxValues; |
|
3160 if (!viewBoxStr.isEmpty()) { |
|
3161 viewBoxStr = viewBoxStr.replace(QLatin1Char(' '), QLatin1Char(',')); |
|
3162 viewBoxStr = viewBoxStr.replace(QLatin1Char('\r'), QLatin1Char(',')); |
|
3163 viewBoxStr = viewBoxStr.replace(QLatin1Char('\n'), QLatin1Char(',')); |
|
3164 viewBoxStr = viewBoxStr.replace(QLatin1Char('\t'), QLatin1Char(',')); |
|
3165 viewBoxValues = viewBoxStr.split(QLatin1Char(','), QString::SkipEmptyParts); |
|
3166 } |
|
3167 if (viewBoxValues.count() == 4) { |
|
3168 QString xStr = viewBoxValues.at(0).trimmed(); |
|
3169 QString yStr = viewBoxValues.at(1).trimmed(); |
|
3170 QString widthStr = viewBoxValues.at(2).trimmed(); |
|
3171 QString heightStr = viewBoxValues.at(3).trimmed(); |
|
3172 |
|
3173 QSvgHandler::LengthType lt; |
|
3174 qreal x = parseLength(xStr, lt, handler); |
|
3175 qreal y = parseLength(yStr, lt, handler); |
|
3176 qreal w = parseLength(widthStr, lt, handler); |
|
3177 qreal h = parseLength(heightStr, lt, handler); |
|
3178 |
|
3179 node->setViewBox(QRectF(x, y, w, h)); |
|
3180 |
|
3181 } else if (width && height) { |
|
3182 if (type == QSvgHandler::LT_PT) { |
|
3183 width = convertToPixels(width, false, type); |
|
3184 height = convertToPixels(height, false, type); |
|
3185 } |
|
3186 node->setViewBox(QRectF(0, 0, width, height)); |
|
3187 } |
|
3188 handler->setDefaultCoordinateSystem(QSvgHandler::LT_PX); |
|
3189 |
|
3190 return node; |
|
3191 } |
|
3192 |
|
3193 static QSvgNode *createSwitchNode(QSvgNode *parent, |
|
3194 const QXmlStreamAttributes &attributes, |
|
3195 QSvgHandler *) |
|
3196 { |
|
3197 Q_UNUSED(attributes); |
|
3198 QSvgSwitch *node = new QSvgSwitch(parent); |
|
3199 return node; |
|
3200 } |
|
3201 |
|
3202 static bool parseTbreakNode(QSvgNode *parent, |
|
3203 const QXmlStreamAttributes &, |
|
3204 QSvgHandler *) |
|
3205 { |
|
3206 if (parent->type() != QSvgNode::TEXTAREA) |
|
3207 return false; |
|
3208 static_cast<QSvgText*>(parent)->addLineBreak(); |
|
3209 return true; |
|
3210 } |
|
3211 |
|
3212 static QSvgNode *createTextNode(QSvgNode *parent, |
|
3213 const QXmlStreamAttributes &attributes, |
|
3214 QSvgHandler *handler) |
|
3215 { |
|
3216 QString x = attributes.value(QLatin1String("x")).toString(); |
|
3217 QString y = attributes.value(QLatin1String("y")).toString(); |
|
3218 //### editable and rotate not handled |
|
3219 QSvgHandler::LengthType type; |
|
3220 qreal nx = parseLength(x, type, handler); |
|
3221 qreal ny = parseLength(y, type, handler); |
|
3222 |
|
3223 QSvgNode *text = new QSvgText(parent, QPointF(nx, ny)); |
|
3224 return text; |
|
3225 } |
|
3226 |
|
3227 static QSvgNode *createTextAreaNode(QSvgNode *parent, |
|
3228 const QXmlStreamAttributes &attributes, |
|
3229 QSvgHandler *handler) |
|
3230 { |
|
3231 QSvgText *node = static_cast<QSvgText *>(createTextNode(parent, attributes, handler)); |
|
3232 if (node) { |
|
3233 QSvgHandler::LengthType type; |
|
3234 qreal width = parseLength(attributes.value(QLatin1String("width")).toString(), type, handler); |
|
3235 qreal height = parseLength(attributes.value(QLatin1String("height")).toString(), type, handler); |
|
3236 node->setTextArea(QSizeF(width, height)); |
|
3237 } |
|
3238 return node; |
|
3239 } |
|
3240 |
|
3241 static QSvgNode *createTspanNode(QSvgNode *parent, |
|
3242 const QXmlStreamAttributes &, |
|
3243 QSvgHandler *) |
|
3244 { |
|
3245 return new QSvgTspan(parent); |
|
3246 } |
|
3247 |
|
3248 static bool parseTitleNode(QSvgNode *parent, |
|
3249 const QXmlStreamAttributes &attributes, |
|
3250 QSvgHandler *) |
|
3251 { |
|
3252 Q_UNUSED(parent); Q_UNUSED(attributes); |
|
3253 return true; |
|
3254 } |
|
3255 |
|
3256 static QSvgNode *createUseNode(QSvgNode *parent, |
|
3257 const QXmlStreamAttributes &attributes, |
|
3258 QSvgHandler *handler) |
|
3259 { |
|
3260 QString linkId = attributes.value(QLatin1String("xlink:href")).toString().remove(0, 1); |
|
3261 QString xStr = attributes.value(QLatin1String("x")).toString(); |
|
3262 QString yStr = attributes.value(QLatin1String("y")).toString(); |
|
3263 QSvgStructureNode *group = 0; |
|
3264 |
|
3265 if (linkId.isEmpty()) |
|
3266 linkId = attributes.value(QLatin1String("href")).toString().remove(0, 1); |
|
3267 switch (parent->type()) { |
|
3268 case QSvgNode::DOC: |
|
3269 case QSvgNode::DEFS: |
|
3270 case QSvgNode::G: |
|
3271 case QSvgNode::SWITCH: |
|
3272 group = static_cast<QSvgStructureNode*>(parent); |
|
3273 break; |
|
3274 default: |
|
3275 break; |
|
3276 } |
|
3277 |
|
3278 if (group) { |
|
3279 QSvgNode *link = group->scopeNode(linkId); |
|
3280 if (link) { |
|
3281 QPointF pt; |
|
3282 if (!xStr.isNull() || !yStr.isNull()) { |
|
3283 QSvgHandler::LengthType type; |
|
3284 qreal nx = parseLength(xStr, type, handler); |
|
3285 nx = convertToPixels(nx, true, type); |
|
3286 |
|
3287 qreal ny = parseLength(yStr, type, handler); |
|
3288 ny = convertToPixels(ny, true, type); |
|
3289 pt = QPointF(nx, ny); |
|
3290 } |
|
3291 |
|
3292 //delay link resolving till the first draw call on |
|
3293 //use nodes, link 2might have not been created yet |
|
3294 QSvgUse *node = new QSvgUse(pt, parent, link); |
|
3295 return node; |
|
3296 } |
|
3297 } |
|
3298 |
|
3299 qWarning("link %s hasn't been detected!", qPrintable(linkId)); |
|
3300 return 0; |
|
3301 } |
|
3302 |
|
3303 static QSvgNode *createVideoNode(QSvgNode *parent, |
|
3304 const QXmlStreamAttributes &attributes, |
|
3305 QSvgHandler *) |
|
3306 { |
|
3307 Q_UNUSED(parent); Q_UNUSED(attributes); |
|
3308 return 0; |
|
3309 } |
|
3310 |
|
3311 typedef QSvgNode *(*FactoryMethod)(QSvgNode *, const QXmlStreamAttributes &, QSvgHandler *); |
|
3312 |
|
3313 static FactoryMethod findGroupFactory(const QString &name) |
|
3314 { |
|
3315 if (name.isEmpty()) |
|
3316 return 0; |
|
3317 |
|
3318 QStringRef ref(&name, 1, name.length() - 1); |
|
3319 switch (name.at(0).unicode()) { |
|
3320 case 'd': |
|
3321 if (ref == QLatin1String("efs")) return createDefsNode; |
|
3322 break; |
|
3323 case 'g': |
|
3324 if (ref.isEmpty()) return createGNode; |
|
3325 break; |
|
3326 case 's': |
|
3327 if (ref == QLatin1String("vg")) return createSvgNode; |
|
3328 if (ref == QLatin1String("witch")) return createSwitchNode; |
|
3329 break; |
|
3330 default: |
|
3331 break; |
|
3332 } |
|
3333 return 0; |
|
3334 } |
|
3335 |
|
3336 static FactoryMethod findGraphicsFactory(const QString &name) |
|
3337 { |
|
3338 if (name.isEmpty()) |
|
3339 return 0; |
|
3340 |
|
3341 QStringRef ref(&name, 1, name.length() - 1); |
|
3342 switch (name.at(0).unicode()) { |
|
3343 case 'a': |
|
3344 if (ref == QLatin1String("nimation")) return createAnimationNode; |
|
3345 break; |
|
3346 case 'c': |
|
3347 if (ref == QLatin1String("ircle")) return createCircleNode; |
|
3348 break; |
|
3349 case 'e': |
|
3350 if (ref == QLatin1String("llipse")) return createEllipseNode; |
|
3351 break; |
|
3352 case 'i': |
|
3353 if (ref == QLatin1String("mage")) return createImageNode; |
|
3354 break; |
|
3355 case 'l': |
|
3356 if (ref == QLatin1String("ine")) return createLineNode; |
|
3357 break; |
|
3358 case 'p': |
|
3359 if (ref == QLatin1String("ath")) return createPathNode; |
|
3360 if (ref == QLatin1String("olygon")) return createPolygonNode; |
|
3361 if (ref == QLatin1String("olyline")) return createPolylineNode; |
|
3362 break; |
|
3363 case 'r': |
|
3364 if (ref == QLatin1String("ect")) return createRectNode; |
|
3365 break; |
|
3366 case 't': |
|
3367 if (ref == QLatin1String("ext")) return createTextNode; |
|
3368 if (ref == QLatin1String("extArea")) return createTextAreaNode; |
|
3369 if (ref == QLatin1String("span")) return createTspanNode; |
|
3370 break; |
|
3371 case 'u': |
|
3372 if (ref == QLatin1String("se")) return createUseNode; |
|
3373 break; |
|
3374 case 'v': |
|
3375 if (ref == QLatin1String("ideo")) return createVideoNode; |
|
3376 break; |
|
3377 default: |
|
3378 break; |
|
3379 } |
|
3380 return 0; |
|
3381 } |
|
3382 |
|
3383 typedef bool (*ParseMethod)(QSvgNode *, const QXmlStreamAttributes &, QSvgHandler *); |
|
3384 |
|
3385 static ParseMethod findUtilFactory(const QString &name) |
|
3386 { |
|
3387 if (name.isEmpty()) |
|
3388 return 0; |
|
3389 |
|
3390 QStringRef ref(&name, 1, name.length() - 1); |
|
3391 switch (name.at(0).unicode()) { |
|
3392 case 'a': |
|
3393 if (ref.isEmpty()) return parseAnchorNode; |
|
3394 if (ref == QLatin1String("nimate")) return parseAnimateNode; |
|
3395 if (ref == QLatin1String("nimateColor")) return parseAnimateColorNode; |
|
3396 if (ref == QLatin1String("nimateMotion")) return parseAimateMotionNode; |
|
3397 if (ref == QLatin1String("nimateTransform")) return parseAnimateTransformNode; |
|
3398 if (ref == QLatin1String("udio")) return parseAudioNode; |
|
3399 break; |
|
3400 case 'd': |
|
3401 if (ref == QLatin1String("esc")) return parseDescNode; |
|
3402 if (ref == QLatin1String("iscard")) return parseDiscardNode; |
|
3403 break; |
|
3404 case 'f': |
|
3405 if (ref == QLatin1String("oreignObject")) return parseForeignObjectNode; |
|
3406 break; |
|
3407 case 'h': |
|
3408 if (ref == QLatin1String("andler")) return parseHandlerNode; |
|
3409 if (ref == QLatin1String("kern")) return parseHkernNode; |
|
3410 break; |
|
3411 case 'm': |
|
3412 if (ref == QLatin1String("etadata")) return parseMetadataNode; |
|
3413 if (ref == QLatin1String("path")) return parseMpathNode; |
|
3414 break; |
|
3415 case 'p': |
|
3416 if (ref == QLatin1String("refetch")) return parsePrefetchNode; |
|
3417 break; |
|
3418 case 's': |
|
3419 if (ref == QLatin1String("cript")) return parseScriptNode; |
|
3420 if (ref == QLatin1String("et")) return parseSetNode; |
|
3421 if (ref == QLatin1String("tyle")) return parseStyleNode; |
|
3422 break; |
|
3423 case 't': |
|
3424 if (ref == QLatin1String("break")) return parseTbreakNode; |
|
3425 if (ref == QLatin1String("itle")) return parseTitleNode; |
|
3426 break; |
|
3427 default: |
|
3428 break; |
|
3429 } |
|
3430 return 0; |
|
3431 } |
|
3432 |
|
3433 typedef QSvgStyleProperty *(*StyleFactoryMethod)(QSvgNode *, |
|
3434 const QXmlStreamAttributes &, |
|
3435 QSvgHandler *); |
|
3436 |
|
3437 static StyleFactoryMethod findStyleFactoryMethod(const QString &name) |
|
3438 { |
|
3439 if (name.isEmpty()) |
|
3440 return 0; |
|
3441 |
|
3442 QStringRef ref(&name, 1, name.length() - 1); |
|
3443 switch (name.at(0).unicode()) { |
|
3444 case 'f': |
|
3445 if (ref == QLatin1String("ont")) return createFontNode; |
|
3446 break; |
|
3447 case 'l': |
|
3448 if (ref == QLatin1String("inearGradient")) return createLinearGradientNode; |
|
3449 break; |
|
3450 case 'r': |
|
3451 if (ref == QLatin1String("adialGradient")) return createRadialGradientNode; |
|
3452 break; |
|
3453 case 's': |
|
3454 if (ref == QLatin1String("olidColor")) return createSolidColorNode; |
|
3455 break; |
|
3456 default: |
|
3457 break; |
|
3458 } |
|
3459 return 0; |
|
3460 } |
|
3461 |
|
3462 typedef bool (*StyleParseMethod)(QSvgStyleProperty *, |
|
3463 const QXmlStreamAttributes &, |
|
3464 QSvgHandler *); |
|
3465 |
|
3466 static StyleParseMethod findStyleUtilFactoryMethod(const QString &name) |
|
3467 { |
|
3468 if (name.isEmpty()) |
|
3469 return 0; |
|
3470 |
|
3471 QStringRef ref(&name, 1, name.length() - 1); |
|
3472 switch (name.at(0).unicode()) { |
|
3473 case 'f': |
|
3474 if (ref == QLatin1String("ont-face")) return parseFontFaceNode; |
|
3475 if (ref == QLatin1String("ont-face-name")) return parseFontFaceNameNode; |
|
3476 if (ref == QLatin1String("ont-face-src")) return parseFontFaceSrcNode; |
|
3477 if (ref == QLatin1String("ont-face-uri")) return parseFontFaceUriNode; |
|
3478 break; |
|
3479 case 'g': |
|
3480 if (ref == QLatin1String("lyph")) return parseGlyphNode; |
|
3481 break; |
|
3482 case 'm': |
|
3483 if (ref == QLatin1String("issing-glyph")) return parseMissingGlyphNode; |
|
3484 break; |
|
3485 case 's': |
|
3486 if (ref == QLatin1String("top")) return parseStopNode; |
|
3487 break; |
|
3488 default: |
|
3489 break; |
|
3490 } |
|
3491 return 0; |
|
3492 } |
|
3493 |
|
3494 QSvgHandler::QSvgHandler(QIODevice *device) : xml(new QXmlStreamReader(device)) |
|
3495 , m_ownsReader(true) |
|
3496 { |
|
3497 init(); |
|
3498 } |
|
3499 |
|
3500 QSvgHandler::QSvgHandler(const QByteArray &data) : xml(new QXmlStreamReader(data)) |
|
3501 , m_ownsReader(true) |
|
3502 { |
|
3503 init(); |
|
3504 } |
|
3505 |
|
3506 QSvgHandler::QSvgHandler(QXmlStreamReader *const reader) : xml(reader) |
|
3507 , m_ownsReader(false) |
|
3508 { |
|
3509 init(); |
|
3510 } |
|
3511 |
|
3512 void QSvgHandler::init() |
|
3513 { |
|
3514 m_doc = 0; |
|
3515 m_style = 0; |
|
3516 m_animEnd = 0; |
|
3517 m_defaultCoords = LT_PX; |
|
3518 m_defaultPen = QPen(Qt::black, 1, Qt::SolidLine, Qt::FlatCap, Qt::SvgMiterJoin); |
|
3519 m_defaultPen.setMiterLimit(4); |
|
3520 parse(); |
|
3521 } |
|
3522 |
|
3523 void QSvgHandler::parse() |
|
3524 { |
|
3525 xml->setNamespaceProcessing(false); |
|
3526 m_selector = new QSvgStyleSelector; |
|
3527 m_inStyle = false; |
|
3528 bool done = false; |
|
3529 while (!xml->atEnd() && !done) { |
|
3530 switch (xml->readNext()) { |
|
3531 case QXmlStreamReader::StartElement: |
|
3532 // he we could/should verify the namespaces, and simply |
|
3533 // call m_skipNodes(Unknown) if we don't know the |
|
3534 // namespace. We do support http://www.w3.org/2000/svg |
|
3535 // but also http://www.w3.org/2000/svg-20000303-stylable |
|
3536 // And if the document uses an external dtd, the reported |
|
3537 // namespaceUri is empty. The only possible strategy at |
|
3538 // this point is to do what everyone else seems to do and |
|
3539 // ignore the reported namespaceUri completely. |
|
3540 startElement(xml->name().toString(), xml->attributes()); |
|
3541 break; |
|
3542 case QXmlStreamReader::EndElement: |
|
3543 endElement(xml->name()); |
|
3544 // if we are using somebody else's qxmlstreamreader |
|
3545 // we should not read until the end of the stream |
|
3546 done = !m_ownsReader && (xml->name() == QLatin1String("svg")); |
|
3547 break; |
|
3548 case QXmlStreamReader::Characters: |
|
3549 characters(xml->text()); |
|
3550 break; |
|
3551 case QXmlStreamReader::ProcessingInstruction: |
|
3552 processingInstruction(xml->processingInstructionTarget().toString(), xml->processingInstructionData().toString()); |
|
3553 break; |
|
3554 default: |
|
3555 break; |
|
3556 } |
|
3557 } |
|
3558 resolveGradients(m_doc); |
|
3559 } |
|
3560 |
|
3561 bool QSvgHandler::startElement(const QString &localName, |
|
3562 const QXmlStreamAttributes &attributes) |
|
3563 { |
|
3564 QSvgNode *node = 0; |
|
3565 |
|
3566 pushColorCopy(); |
|
3567 |
|
3568 /* The xml:space attribute may appear on any element. We do |
|
3569 * a lookup by the qualified name here, but this is namespace aware, since |
|
3570 * the XML namespace can only be bound to prefix "xml." */ |
|
3571 const QStringRef xmlSpace(attributes.value(QLatin1String("xml:space"))); |
|
3572 if (xmlSpace.isNull()) { |
|
3573 // This element has no xml:space attribute. |
|
3574 m_whitespaceMode.push(m_whitespaceMode.isEmpty() ? QSvgText::Default : m_whitespaceMode.top()); |
|
3575 } else if (xmlSpace == QLatin1String("preserve")) { |
|
3576 m_whitespaceMode.push(QSvgText::Preserve); |
|
3577 } else if (xmlSpace == QLatin1String("default")) { |
|
3578 m_whitespaceMode.push(QSvgText::Default); |
|
3579 } else { |
|
3580 qWarning() << QString::fromLatin1("\"%1\" is an invalid value for attribute xml:space. " |
|
3581 "Valid values are \"preserve\" and \"default\".").arg(xmlSpace.toString()); |
|
3582 m_whitespaceMode.push(QSvgText::Default); |
|
3583 } |
|
3584 |
|
3585 if (FactoryMethod method = findGroupFactory(localName)) { |
|
3586 //group |
|
3587 node = method(m_doc ? m_nodes.top() : 0, attributes, this); |
|
3588 Q_ASSERT(node); |
|
3589 if (!m_doc) { |
|
3590 Q_ASSERT(node->type() == QSvgNode::DOC); |
|
3591 m_doc = static_cast<QSvgTinyDocument*>(node); |
|
3592 } else { |
|
3593 switch (m_nodes.top()->type()) { |
|
3594 case QSvgNode::DOC: |
|
3595 case QSvgNode::G: |
|
3596 case QSvgNode::DEFS: |
|
3597 case QSvgNode::SWITCH: |
|
3598 { |
|
3599 QSvgStructureNode *group = |
|
3600 static_cast<QSvgStructureNode*>(m_nodes.top()); |
|
3601 group->addChild(node, someId(attributes)); |
|
3602 } |
|
3603 break; |
|
3604 default: |
|
3605 break; |
|
3606 } |
|
3607 } |
|
3608 parseCoreNode(node, attributes); |
|
3609 cssStyleLookup(node, this, m_selector); |
|
3610 parseStyle(node, attributes, this); |
|
3611 } else if (FactoryMethod method = findGraphicsFactory(localName)) { |
|
3612 //rendering element |
|
3613 Q_ASSERT(!m_nodes.isEmpty()); |
|
3614 node = method(m_nodes.top(), attributes, this); |
|
3615 if (node) { |
|
3616 switch (m_nodes.top()->type()) { |
|
3617 case QSvgNode::DOC: |
|
3618 case QSvgNode::G: |
|
3619 case QSvgNode::DEFS: |
|
3620 case QSvgNode::SWITCH: |
|
3621 { |
|
3622 QSvgStructureNode *group = |
|
3623 static_cast<QSvgStructureNode*>(m_nodes.top()); |
|
3624 group->addChild(node, someId(attributes)); |
|
3625 } |
|
3626 break; |
|
3627 case QSvgNode::TEXT: |
|
3628 case QSvgNode::TEXTAREA: |
|
3629 if (node->type() == QSvgNode::TSPAN) { |
|
3630 static_cast<QSvgText *>(m_nodes.top())->addTspan(static_cast<QSvgTspan *>(node)); |
|
3631 } else { |
|
3632 qWarning("\'text\' or \'textArea\' element contains invalid element type."); |
|
3633 delete node; |
|
3634 node = 0; |
|
3635 } |
|
3636 break; |
|
3637 default: |
|
3638 qWarning("Could not add child element to parent element because the types are incorrect."); |
|
3639 delete node; |
|
3640 node = 0; |
|
3641 break; |
|
3642 } |
|
3643 |
|
3644 if (node) { |
|
3645 parseCoreNode(node, attributes); |
|
3646 cssStyleLookup(node, this, m_selector); |
|
3647 parseStyle(node, attributes, this); |
|
3648 if (node->type() == QSvgNode::TEXT || node->type() == QSvgNode::TEXTAREA) { |
|
3649 static_cast<QSvgText *>(node)->setWhitespaceMode(m_whitespaceMode.top()); |
|
3650 } else if (node->type() == QSvgNode::TSPAN) { |
|
3651 static_cast<QSvgTspan *>(node)->setWhitespaceMode(m_whitespaceMode.top()); |
|
3652 } |
|
3653 } |
|
3654 } |
|
3655 } else if (ParseMethod method = findUtilFactory(localName)) { |
|
3656 Q_ASSERT(!m_nodes.isEmpty()); |
|
3657 if (!method(m_nodes.top(), attributes, this)) { |
|
3658 qWarning("Problem parsing %s", qPrintable(localName)); |
|
3659 } |
|
3660 } else if (StyleFactoryMethod method = findStyleFactoryMethod(localName)) { |
|
3661 QSvgStyleProperty *prop = method(m_nodes.top(), attributes, this); |
|
3662 if (prop) { |
|
3663 m_style = prop; |
|
3664 m_nodes.top()->appendStyleProperty(prop, someId(attributes)); |
|
3665 } else { |
|
3666 qWarning("Could not parse node: %s", qPrintable(localName)); |
|
3667 } |
|
3668 } else if (StyleParseMethod method = findStyleUtilFactoryMethod(localName)) { |
|
3669 if (m_style) { |
|
3670 if (!method(m_style, attributes, this)) { |
|
3671 qWarning("Problem parsing %s", qPrintable(localName)); |
|
3672 } |
|
3673 } |
|
3674 } else { |
|
3675 //qWarning()<<"Skipping unknown element!"<<namespaceURI<<"::"<<localName; |
|
3676 m_skipNodes.push(Unknown); |
|
3677 return true; |
|
3678 } |
|
3679 |
|
3680 if (node) { |
|
3681 m_nodes.push(node); |
|
3682 m_skipNodes.push(Graphics); |
|
3683 } else { |
|
3684 //qDebug()<<"Skipping "<<localName; |
|
3685 m_skipNodes.push(Style); |
|
3686 } |
|
3687 return true; |
|
3688 } |
|
3689 |
|
3690 bool QSvgHandler::endElement(const QStringRef &localName) |
|
3691 { |
|
3692 CurrentNode node = m_skipNodes.top(); |
|
3693 m_skipNodes.pop(); |
|
3694 m_whitespaceMode.pop(); |
|
3695 |
|
3696 popColor(); |
|
3697 |
|
3698 if (node == Unknown) { |
|
3699 return true; |
|
3700 } |
|
3701 |
|
3702 if (m_inStyle && localName == QLatin1String("style")) |
|
3703 m_inStyle = false; |
|
3704 |
|
3705 if (node == Graphics) |
|
3706 m_nodes.pop(); |
|
3707 else if (m_style && !m_skipNodes.isEmpty() && m_skipNodes.top() != Style) |
|
3708 m_style = 0; |
|
3709 |
|
3710 return true; |
|
3711 } |
|
3712 |
|
3713 void QSvgHandler::resolveGradients(QSvgNode *node) |
|
3714 { |
|
3715 if (!node || (node->type() != QSvgNode::DOC && node->type() != QSvgNode::G |
|
3716 && node->type() != QSvgNode::DEFS && node->type() != QSvgNode::SWITCH)) { |
|
3717 return; |
|
3718 } |
|
3719 QSvgStructureNode *structureNode = static_cast<QSvgStructureNode *>(node); |
|
3720 |
|
3721 QList<QSvgNode *> ren = structureNode->renderers(); |
|
3722 for (QList<QSvgNode *>::iterator it = ren.begin(); it != ren.end(); ++it) { |
|
3723 QSvgFillStyle *fill = static_cast<QSvgFillStyle *>((*it)->styleProperty(QSvgStyleProperty::FILL)); |
|
3724 if (fill && !fill->isGradientResolved()) { |
|
3725 QString id = fill->gradientId(); |
|
3726 QSvgFillStyleProperty *style = structureNode->styleProperty(id); |
|
3727 if (style) { |
|
3728 fill->setFillStyle(style); |
|
3729 } else { |
|
3730 qWarning("Could not resolve property : %s", qPrintable(id)); |
|
3731 fill->setBrush(Qt::NoBrush); |
|
3732 } |
|
3733 } |
|
3734 |
|
3735 QSvgStrokeStyle *stroke = static_cast<QSvgStrokeStyle *>((*it)->styleProperty(QSvgStyleProperty::STROKE)); |
|
3736 if (stroke && !stroke->isGradientResolved()) { |
|
3737 QString id = stroke->gradientId(); |
|
3738 QSvgFillStyleProperty *style = structureNode->styleProperty(id); |
|
3739 if (style) { |
|
3740 stroke->setStyle(style); |
|
3741 } else { |
|
3742 qWarning("Could not resolve property : %s", qPrintable(id)); |
|
3743 stroke->setStroke(Qt::NoBrush); |
|
3744 } |
|
3745 } |
|
3746 |
|
3747 resolveGradients(*it); |
|
3748 } |
|
3749 } |
|
3750 |
|
3751 bool QSvgHandler::characters(const QStringRef &str) |
|
3752 { |
|
3753 if (m_inStyle) { |
|
3754 QString css = str.toString(); |
|
3755 QCss::StyleSheet sheet; |
|
3756 QCss::Parser(css).parse(&sheet); |
|
3757 m_selector->styleSheets.append(sheet); |
|
3758 return true; |
|
3759 } else if (m_skipNodes.isEmpty() || m_skipNodes.top() == Unknown) |
|
3760 return true; |
|
3761 |
|
3762 if (m_nodes.top()->type() == QSvgNode::TEXT || m_nodes.top()->type() == QSvgNode::TEXTAREA) { |
|
3763 static_cast<QSvgText*>(m_nodes.top())->addText(str.toString()); |
|
3764 } else if (m_nodes.top()->type() == QSvgNode::TSPAN) { |
|
3765 static_cast<QSvgTspan*>(m_nodes.top())->addText(str.toString()); |
|
3766 } |
|
3767 |
|
3768 return true; |
|
3769 } |
|
3770 |
|
3771 QSvgTinyDocument * QSvgHandler::document() const |
|
3772 { |
|
3773 return m_doc; |
|
3774 } |
|
3775 |
|
3776 QSvgHandler::LengthType QSvgHandler::defaultCoordinateSystem() const |
|
3777 { |
|
3778 return m_defaultCoords; |
|
3779 } |
|
3780 |
|
3781 void QSvgHandler::setDefaultCoordinateSystem(LengthType type) |
|
3782 { |
|
3783 m_defaultCoords = type; |
|
3784 } |
|
3785 |
|
3786 void QSvgHandler::pushColor(const QColor &color) |
|
3787 { |
|
3788 m_colorStack.push(color); |
|
3789 m_colorTagCount.push(1); |
|
3790 } |
|
3791 |
|
3792 void QSvgHandler::pushColorCopy() |
|
3793 { |
|
3794 if (m_colorTagCount.count()) |
|
3795 ++m_colorTagCount.top(); |
|
3796 else |
|
3797 pushColor(Qt::black); |
|
3798 } |
|
3799 |
|
3800 void QSvgHandler::popColor() |
|
3801 { |
|
3802 if (m_colorTagCount.count()) { |
|
3803 if (!--m_colorTagCount.top()) { |
|
3804 m_colorStack.pop(); |
|
3805 m_colorTagCount.pop(); |
|
3806 } |
|
3807 } |
|
3808 } |
|
3809 |
|
3810 QColor QSvgHandler::currentColor() const |
|
3811 { |
|
3812 if (!m_colorStack.isEmpty()) |
|
3813 return m_colorStack.top(); |
|
3814 else |
|
3815 return QColor(0, 0, 0); |
|
3816 } |
|
3817 |
|
3818 void QSvgHandler::setInStyle(bool b) |
|
3819 { |
|
3820 m_inStyle = b; |
|
3821 } |
|
3822 |
|
3823 bool QSvgHandler::inStyle() const |
|
3824 { |
|
3825 return m_inStyle; |
|
3826 } |
|
3827 |
|
3828 QSvgStyleSelector * QSvgHandler::selector() const |
|
3829 { |
|
3830 return m_selector; |
|
3831 } |
|
3832 |
|
3833 bool QSvgHandler::processingInstruction(const QString &target, const QString &data) |
|
3834 { |
|
3835 if (target == QLatin1String("xml-stylesheet")) { |
|
3836 QRegExp rx(QLatin1String("type=\\\"(.+)\\\"")); |
|
3837 rx.setMinimal(true); |
|
3838 bool isCss = false; |
|
3839 int pos = 0; |
|
3840 while ((pos = rx.indexIn(data, pos)) != -1) { |
|
3841 QString type = rx.cap(1); |
|
3842 if (type.toLower() == QLatin1String("text/css")) { |
|
3843 isCss = true; |
|
3844 } |
|
3845 pos += rx.matchedLength(); |
|
3846 } |
|
3847 |
|
3848 if (isCss) { |
|
3849 QRegExp rx(QLatin1String("href=\\\"(.+)\\\"")); |
|
3850 rx.setMinimal(true); |
|
3851 pos = 0; |
|
3852 pos = rx.indexIn(data, pos); |
|
3853 QString addr = rx.cap(1); |
|
3854 QFileInfo fi(addr); |
|
3855 //qDebug()<<"External CSS file "<<fi.absoluteFilePath()<<fi.exists(); |
|
3856 if (fi.exists()) { |
|
3857 QFile file(fi.absoluteFilePath()); |
|
3858 if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) { |
|
3859 return true; |
|
3860 } |
|
3861 QByteArray cssData = file.readAll(); |
|
3862 QString css = QString::fromUtf8(cssData); |
|
3863 |
|
3864 QCss::StyleSheet sheet; |
|
3865 QCss::Parser(css).parse(&sheet); |
|
3866 m_selector->styleSheets.append(sheet); |
|
3867 } |
|
3868 |
|
3869 } |
|
3870 } |
|
3871 |
|
3872 return true; |
|
3873 } |
|
3874 |
|
3875 void QSvgHandler::setAnimPeriod(int start, int end) |
|
3876 { |
|
3877 Q_UNUSED(start); |
|
3878 m_animEnd = qMax(end, m_animEnd); |
|
3879 } |
|
3880 |
|
3881 int QSvgHandler::animationDuration() const |
|
3882 { |
|
3883 return m_animEnd; |
|
3884 } |
|
3885 |
|
3886 QSvgHandler::~QSvgHandler() |
|
3887 { |
|
3888 delete m_selector; |
|
3889 m_selector = 0; |
|
3890 |
|
3891 if(m_ownsReader) |
|
3892 delete xml; |
|
3893 } |
|
3894 |
|
3895 QT_END_NAMESPACE |
|
3896 |
|
3897 #endif // QT_NO_SVG |