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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 "qsvgstructure_p.h" |
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43 |
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44 #ifndef QT_NO_SVG |
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45 |
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46 #include "qsvgnode_p.h" |
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47 #include "qsvgstyle_p.h" |
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48 #include "qsvgtinydocument_p.h" |
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49 |
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50 #include "qpainter.h" |
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51 #include "qlocale.h" |
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52 #include "qdebug.h" |
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53 |
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54 QT_BEGIN_NAMESPACE |
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55 |
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56 QSvgG::QSvgG(QSvgNode *parent) |
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57 : QSvgStructureNode(parent) |
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58 { |
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59 |
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60 } |
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61 |
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62 QSvgStructureNode::~QSvgStructureNode() |
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63 { |
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64 qDeleteAll(m_renderers); |
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65 } |
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66 |
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67 void QSvgG::draw(QPainter *p, QSvgExtraStates &states) |
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68 { |
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69 QList<QSvgNode*>::iterator itr = m_renderers.begin(); |
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70 applyStyle(p, states); |
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71 |
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72 while (itr != m_renderers.end()) { |
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73 QSvgNode *node = *itr; |
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74 if ((node->isVisible()) && (node->displayMode() != QSvgNode::NoneMode)) |
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75 node->draw(p, states); |
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76 ++itr; |
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77 } |
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78 revertStyle(p, states); |
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79 } |
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80 |
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81 QSvgNode::Type QSvgG::type() const |
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82 { |
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83 return G; |
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84 } |
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85 |
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86 QSvgStructureNode::QSvgStructureNode(QSvgNode *parent) |
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87 :QSvgNode(parent) |
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88 { |
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89 |
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90 } |
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91 |
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92 QSvgNode * QSvgStructureNode::scopeNode(const QString &id) const |
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93 { |
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94 QSvgTinyDocument *doc = document(); |
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95 return doc ? doc->namedNode(id) : 0; |
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96 } |
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97 |
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98 void QSvgStructureNode::addChild(QSvgNode *child, const QString &id) |
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99 { |
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100 m_renderers.append(child); |
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101 |
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102 if (id.isEmpty()) |
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103 return; //we can't add it to scope without id |
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104 |
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105 QSvgTinyDocument *doc = document(); |
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106 if (doc) |
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107 doc->addNamedNode(id, child); |
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108 } |
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109 |
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110 QSvgDefs::QSvgDefs(QSvgNode *parent) |
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111 : QSvgStructureNode(parent) |
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112 { |
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113 } |
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114 |
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115 void QSvgDefs::draw(QPainter *, QSvgExtraStates &) |
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116 { |
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117 //noop |
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118 } |
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119 |
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120 QSvgNode::Type QSvgDefs::type() const |
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121 { |
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122 return DEFS; |
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123 } |
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124 |
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125 /* |
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126 Below is a lookup function based on the gperf output using the following set: |
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127 |
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128 http://www.w3.org/Graphics/SVG/feature/1.2/#SVG |
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129 http://www.w3.org/Graphics/SVG/feature/1.2/#SVG-static |
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130 http://www.w3.org/Graphics/SVG/feature/1.2/#CoreAttribute |
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131 http://www.w3.org/Graphics/SVG/feature/1.2/#Structure |
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132 http://www.w3.org/Graphics/SVG/feature/1.2/#ConditionalProcessing |
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133 http://www.w3.org/Graphics/SVG/feature/1.2/#ConditionalProcessingAttribute |
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134 http://www.w3.org/Graphics/SVG/feature/1.2/#Image |
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135 http://www.w3.org/Graphics/SVG/feature/1.2/#Prefetch |
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136 http://www.w3.org/Graphics/SVG/feature/1.2/#Shape |
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137 http://www.w3.org/Graphics/SVG/feature/1.2/#Text |
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138 http://www.w3.org/Graphics/SVG/feature/1.2/#PaintAttribute |
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139 http://www.w3.org/Graphics/SVG/feature/1.2/#OpacityAttribute |
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140 http://www.w3.org/Graphics/SVG/feature/1.2/#GraphicsAttribute |
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141 http://www.w3.org/Graphics/SVG/feature/1.2/#Gradient |
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142 http://www.w3.org/Graphics/SVG/feature/1.2/#SolidColor |
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143 http://www.w3.org/Graphics/SVG/feature/1.2/#XlinkAttribute |
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144 http://www.w3.org/Graphics/SVG/feature/1.2/#ExternalResourcesRequiredAttribute |
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145 http://www.w3.org/Graphics/SVG/feature/1.2/#Font |
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146 http://www.w3.org/Graphics/SVG/feature/1.2/#Hyperlinking |
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147 http://www.w3.org/Graphics/SVG/feature/1.2/#Extensibility |
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148 */ |
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149 |
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150 // ----- begin of generated code ----- |
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151 |
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152 /* C code produced by gperf version 3.0.2 */ |
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153 /* Command-line: gperf -c -L c svg */ |
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154 /* Computed positions: -k'45-46' */ |
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155 |
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156 #if !((' ' == 32) && ('!' == 33) && ('"' == 34) && ('#' == 35) \ |
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157 && ('%' == 37) && ('&' == 38) && ('\'' == 39) && ('(' == 40) \ |
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158 && (')' == 41) && ('*' == 42) && ('+' == 43) && (',' == 44) \ |
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159 && ('-' == 45) && ('.' == 46) && ('/' == 47) && ('0' == 48) \ |
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160 && ('1' == 49) && ('2' == 50) && ('3' == 51) && ('4' == 52) \ |
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161 && ('5' == 53) && ('6' == 54) && ('7' == 55) && ('8' == 56) \ |
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162 && ('9' == 57) && (':' == 58) && (';' == 59) && ('<' == 60) \ |
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163 && ('=' == 61) && ('>' == 62) && ('?' == 63) && ('A' == 65) \ |
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164 && ('B' == 66) && ('C' == 67) && ('D' == 68) && ('E' == 69) \ |
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165 && ('F' == 70) && ('G' == 71) && ('H' == 72) && ('I' == 73) \ |
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166 && ('J' == 74) && ('K' == 75) && ('L' == 76) && ('M' == 77) \ |
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167 && ('N' == 78) && ('O' == 79) && ('P' == 80) && ('Q' == 81) \ |
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168 && ('R' == 82) && ('S' == 83) && ('T' == 84) && ('U' == 85) \ |
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169 && ('V' == 86) && ('W' == 87) && ('X' == 88) && ('Y' == 89) \ |
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170 && ('Z' == 90) && ('[' == 91) && ('\\' == 92) && (']' == 93) \ |
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171 && ('^' == 94) && ('_' == 95) && ('a' == 97) && ('b' == 98) \ |
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172 && ('c' == 99) && ('d' == 100) && ('e' == 101) && ('f' == 102) \ |
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173 && ('g' == 103) && ('h' == 104) && ('i' == 105) && ('j' == 106) \ |
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174 && ('k' == 107) && ('l' == 108) && ('m' == 109) && ('n' == 110) \ |
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175 && ('o' == 111) && ('p' == 112) && ('q' == 113) && ('r' == 114) \ |
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176 && ('s' == 115) && ('t' == 116) && ('u' == 117) && ('v' == 118) \ |
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177 && ('w' == 119) && ('x' == 120) && ('y' == 121) && ('z' == 122) \ |
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178 && ('{' == 123) && ('|' == 124) && ('}' == 125) && ('~' == 126)) |
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179 /* The character set is not based on ISO-646. */ |
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180 #error "gperf generated tables don't work with this execution character set. Please report a bug to <bug-gnu-gperf@gnu.org>." |
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181 #endif |
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182 |
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183 enum { |
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184 TOTAL_KEYWORDS = 20, |
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185 MIN_WORD_LENGTH = 47, |
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186 MAX_WORD_LENGTH = 78, |
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187 MIN_HASH_VALUE = 48, |
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188 MAX_HASH_VALUE = 88 |
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189 }; |
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190 /* maximum key range = 41, duplicates = 0 */ |
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191 |
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192 inline static bool isSupportedSvgFeature(const QString &str) |
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193 { |
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194 static const unsigned char asso_values[] = { |
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195 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, |
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196 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, |
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197 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, |
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198 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, |
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199 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, |
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200 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, |
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201 89, 89, 89, 89, 89, 89, 89, 0, 89, 5, |
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202 15, 5, 0, 10, 89, 89, 89, 89, 89, 0, |
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203 15, 89, 89, 0, 0, 89, 5, 89, 0, 89, |
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204 89, 89, 89, 89, 89, 89, 89, 0, 89, 89, |
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205 89, 0, 89, 89, 0, 89, 89, 89, 0, 5, |
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206 89, 0, 0, 89, 5, 89, 0, 89, 89, 89, |
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207 5, 0, 89, 89, 89, 89, 89, 89, 89, 89, |
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208 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, |
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209 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, |
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210 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, |
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211 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, |
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212 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, |
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213 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, |
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214 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, |
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215 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, |
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216 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, |
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217 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, |
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218 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, |
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219 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, |
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220 89, 89, 89, 89, 89, 89 |
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221 }; |
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222 |
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223 static const char * wordlist[] = { |
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224 "", "", "", "", "", "", "", "", "", |
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225 "", "", "", "", "", "", "", "", "", |
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226 "", "", "", "", "", "", "", "", "", |
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227 "", "", "", "", "", "", "", "", "", |
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228 "", "", "", "", "", "", "", "", "", |
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229 "", "", "", |
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230 "http://www.w3.org/Graphics/SVG/feature/1.2/#Text", |
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231 "http://www.w3.org/Graphics/SVG/feature/1.2/#Shape", |
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232 "", "", |
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233 "http://www.w3.org/Graphics/SVG/feature/1.2/#SVG", |
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234 "http://www.w3.org/Graphics/SVG/feature/1.2/#Structure", |
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235 "http://www.w3.org/Graphics/SVG/feature/1.2/#SolidColor", |
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236 "", |
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237 "http://www.w3.org/Graphics/SVG/feature/1.2/#Hyperlinking", |
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238 "http://www.w3.org/Graphics/SVG/feature/1.2/#CoreAttribute", |
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239 "http://www.w3.org/Graphics/SVG/feature/1.2/#XlinkAttribute", |
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240 "http://www.w3.org/Graphics/SVG/feature/1.2/#SVG-static", |
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241 "http://www.w3.org/Graphics/SVG/feature/1.2/#OpacityAttribute", |
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242 "", |
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243 "http://www.w3.org/Graphics/SVG/feature/1.2/#Gradient", |
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244 "http://www.w3.org/Graphics/SVG/feature/1.2/#Font", |
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245 "http://www.w3.org/Graphics/SVG/feature/1.2/#Image", |
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246 "http://www.w3.org/Graphics/SVG/feature/1.2/#ConditionalProcessing", |
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247 "", |
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248 "http://www.w3.org/Graphics/SVG/feature/1.2/#Extensibility", |
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249 "", "", "", |
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250 "http://www.w3.org/Graphics/SVG/feature/1.2/#GraphicsAttribute", |
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251 "http://www.w3.org/Graphics/SVG/feature/1.2/#Prefetch", |
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252 "http://www.w3.org/Graphics/SVG/feature/1.2/#PaintAttribute", |
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253 "http://www.w3.org/Graphics/SVG/feature/1.2/#ConditionalProcessingAttribute", |
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254 "", "", "", "", "", "", "", "", "", |
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255 "", "", "", "", |
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256 "http://www.w3.org/Graphics/SVG/feature/1.2/#ExternalResourcesRequiredAttribute" |
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257 }; |
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258 |
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259 if (str.length() <= MAX_WORD_LENGTH && str.length() >= MIN_WORD_LENGTH) { |
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260 const int key = str.length() |
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261 + asso_values[str.at(45).unicode()] |
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262 + asso_values[str.at(44).unicode()]; |
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263 if (key <= MAX_HASH_VALUE && key >= 0) |
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264 return str == QLatin1String(wordlist[key]); |
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265 } |
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266 return false; |
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267 } |
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268 |
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269 // ----- end of generated code ----- |
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270 |
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271 static inline bool isSupportedSvgExtension(const QString &) |
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272 { |
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273 return false; |
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274 } |
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275 |
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276 |
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277 QSvgSwitch::QSvgSwitch(QSvgNode *parent) |
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278 : QSvgStructureNode(parent) |
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279 { |
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280 init(); |
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281 } |
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282 |
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283 void QSvgSwitch::draw(QPainter *p, QSvgExtraStates &states) |
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284 { |
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285 QList<QSvgNode*>::iterator itr = m_renderers.begin(); |
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286 applyStyle(p, states); |
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287 |
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288 while (itr != m_renderers.end()) { |
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289 QSvgNode *node = *itr; |
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290 if (node->isVisible() && (node->displayMode() != QSvgNode::NoneMode)) { |
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291 const QStringList &features = node->requiredFeatures(); |
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292 const QStringList &extensions = node->requiredExtensions(); |
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293 const QStringList &languages = node->requiredLanguages(); |
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294 const QStringList &formats = node->requiredFormats(); |
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295 const QStringList &fonts = node->requiredFonts(); |
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296 |
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297 bool okToRender = true; |
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298 if (!features.isEmpty()) { |
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299 QStringList::const_iterator sitr = features.constBegin(); |
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300 for (; sitr != features.constEnd(); ++sitr) { |
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301 if (!isSupportedSvgFeature(*sitr)) { |
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302 okToRender = false; |
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303 break; |
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304 } |
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305 } |
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306 } |
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307 |
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308 if (okToRender && !extensions.isEmpty()) { |
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309 QStringList::const_iterator sitr = extensions.constBegin(); |
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310 for (; sitr != extensions.constEnd(); ++sitr) { |
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311 if (!isSupportedSvgExtension(*sitr)) { |
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312 okToRender = false; |
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313 break; |
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314 } |
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315 } |
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316 } |
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317 |
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318 if (okToRender && !languages.isEmpty()) { |
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319 QStringList::const_iterator sitr = languages.constBegin(); |
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320 okToRender = false; |
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321 for (; sitr != languages.constEnd(); ++sitr) { |
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322 if ((*sitr).startsWith(m_systemLanguagePrefix)) { |
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323 okToRender = true; |
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324 break; |
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325 } |
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326 } |
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327 } |
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328 |
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329 if (okToRender && !formats.isEmpty()) { |
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330 okToRender = false; |
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331 } |
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332 |
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333 if (okToRender && !fonts.isEmpty()) { |
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334 okToRender = false; |
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335 } |
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336 |
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337 if (okToRender) { |
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338 node->draw(p, states); |
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339 break; |
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340 } |
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341 } |
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342 ++itr; |
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343 } |
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344 revertStyle(p, states); |
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345 } |
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346 |
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347 QSvgNode::Type QSvgSwitch::type() const |
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348 { |
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349 return SWITCH; |
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350 } |
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351 |
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352 void QSvgSwitch::init() |
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353 { |
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354 QLocale locale; |
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355 m_systemLanguage = locale.name().replace(QLatin1Char('_'), QLatin1Char('-')); |
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356 int idx = m_systemLanguage.indexOf(QLatin1Char('-')); |
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357 m_systemLanguagePrefix = m_systemLanguage.mid(0, idx); |
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358 } |
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359 |
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360 QRectF QSvgStructureNode::bounds() const |
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361 { |
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362 if (m_bounds.isEmpty()) { |
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363 foreach(QSvgNode *node, m_renderers) { |
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364 m_bounds |= node->transformedBounds(QTransform()); |
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365 } |
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366 } |
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367 |
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368 return m_bounds; |
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369 } |
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370 |
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371 QSvgNode * QSvgStructureNode::previousSiblingNode(QSvgNode *n) const |
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372 { |
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373 QSvgNode *prev = 0; |
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374 QList<QSvgNode*>::const_iterator itr = m_renderers.constBegin(); |
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375 while (itr != m_renderers.constEnd()) { |
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376 QSvgNode *node = *itr; |
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377 if (node == n) |
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378 return prev; |
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379 prev = node; |
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380 } |
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381 return prev; |
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382 } |
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383 |
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384 QT_END_NAMESPACE |
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385 |
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386 #endif // QT_NO_SVG |