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annotate src/xlsx/xlsxcolor.cpp @ 1:93d3106bb9a4

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Add qt xlsx library
author Andre Heinecke <andre.heinecke@intevation.de>
date Tue, 22 Mar 2016 10:38:08 +0100
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1
93d3106bb9a4 Add qt xlsx library
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1 #include "xlsxcolor_p.h"
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2 #include "xlsxstyles_p.h"
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3 #include "xlsxutility_p.h"
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4
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5 #include <QDataStream>
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6 #include <QXmlStreamReader>
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7 #include <QXmlStreamWriter>
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8 #include <QDebug>
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9
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10 namespace QXlsx {
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11
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12
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13 XlsxColor::XlsxColor(const QColor &color)
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14 {
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15 if (color.isValid())
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16 val.setValue(color);
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17 }
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18
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19 XlsxColor::XlsxColor(const QString &theme, const QString &tint)
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20 :val(QStringList()<<theme<<tint)
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21 {
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22
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23 }
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24
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25 XlsxColor::XlsxColor(int index)
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26 :val(index)
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27 {
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28
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29 }
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30
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31 bool XlsxColor::isRgbColor() const
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32 {
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33 if (val.userType() == qMetaTypeId<QColor>() && val.value<QColor>().isValid())
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34 return true;
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35 return false;
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36 }
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37
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38 bool XlsxColor::isIndexedColor() const
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39 {
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40 return val.userType() == QMetaType::Int;
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41 }
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42
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43 bool XlsxColor::isThemeColor() const
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44 {
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45 return val.userType() == QMetaType::QStringList;
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46 }
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47
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48 bool XlsxColor::isInvalid() const
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49 {
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50 return !val.isValid();
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51 }
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52
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53 QColor XlsxColor::rgbColor() const
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54 {
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55 if (isRgbColor())
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56 return val.value<QColor>();
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57 return QColor();
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58 }
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59
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60 int XlsxColor::indexedColor() const
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61 {
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62 if (isIndexedColor())
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63 return val.toInt();
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64 return -1;
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65 }
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66
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67 QStringList XlsxColor::themeColor() const
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68 {
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69 if (isThemeColor())
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70 return val.toStringList();
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71 return QStringList();
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72 }
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73
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74 bool XlsxColor::saveToXml(QXmlStreamWriter &writer, const QString &node) const
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75 {
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76 if (!node.isEmpty())
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77 writer.writeEmptyElement(node); //color, bgColor, fgColor
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78 else
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79 writer.writeEmptyElement(QStringLiteral("color"));
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80
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81 if (val.userType() == qMetaTypeId<QColor>()) {
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82 writer.writeAttribute(QStringLiteral("rgb"), XlsxColor::toARGBString(val.value<QColor>()));
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83 } else if (val.userType() == QMetaType::QStringList) {
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84 QStringList themes = val.toStringList();
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85 writer.writeAttribute(QStringLiteral("theme"), themes[0]);
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86 if (!themes[1].isEmpty())
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87 writer.writeAttribute(QStringLiteral("tint"), themes[1]);
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88 } else if (val.userType() == QMetaType::Int) {
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89 writer.writeAttribute(QStringLiteral("indexed"), val.toString());
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90 } else {
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91 writer.writeAttribute(QStringLiteral("auto"), QStringLiteral("1"));
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92 }
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93
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94 return true;
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95 }
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96
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97 bool XlsxColor::loadFromXml(QXmlStreamReader &reader)
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98 {
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99 QXmlStreamAttributes attributes = reader.attributes();
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100
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101 if (attributes.hasAttribute(QLatin1String("rgb"))) {
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102 QString colorString = attributes.value(QLatin1String("rgb")).toString();
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103 val.setValue(fromARGBString(colorString));
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104 } else if (attributes.hasAttribute(QLatin1String("indexed"))) {
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105 int index = attributes.value(QLatin1String("indexed")).toString().toInt();
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106 val.setValue(index);
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107 } else if (attributes.hasAttribute(QLatin1String("theme"))) {
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108 QString theme = attributes.value(QLatin1String("theme")).toString();
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109 QString tint = attributes.value(QLatin1String("tint")).toString();
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110 val.setValue(QStringList()<<theme<<tint);
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111 }
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112 return true;
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113 }
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114
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115 XlsxColor::operator QVariant() const
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116 {
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117 return QVariant(qMetaTypeId<XlsxColor>(), this);
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118 }
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119
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120
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121 QColor XlsxColor::fromARGBString(const QString &c)
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122 {
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123 Q_ASSERT(c.length() == 8);
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124 QColor color;
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125 color.setAlpha(c.mid(0, 2).toInt(0, 16));
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126 color.setRed(c.mid(2, 2).toInt(0, 16));
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127 color.setGreen(c.mid(4, 2).toInt(0, 16));
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128 color.setBlue(c.mid(6, 2).toInt(0, 16));
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129 return color;
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130 }
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131
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132 QString XlsxColor::toARGBString(const QColor &c)
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133 {
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134 QString color;
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135 color.sprintf("%02X%02X%02X%02X", c.alpha(), c.red(), c.green(), c.blue());
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136 return color;
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137 }
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138
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139 #if !defined(QT_NO_DATASTREAM)
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140 QDataStream &operator<<(QDataStream &s, const XlsxColor &color)
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141 {
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142 if (color.isInvalid())
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143 s<<0;
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144 else if (color.isRgbColor())
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145 s<<1<<color.rgbColor();
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146 else if (color.isIndexedColor())
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147 s<<2<<color.indexedColor();
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148 else if (color.isThemeColor())
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149 s<<3<<color.themeColor();
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150 else
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151 s<<4;
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152
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153 return s;
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154 }
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155
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156 QDataStream &operator>>(QDataStream &s, XlsxColor &color)
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157 {
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158 int marker(4);
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159 s>>marker;
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160 if (marker == 0) {
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161 color = XlsxColor();
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162 } else if (marker == 1) {
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163 QColor c;
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164 s>>c;
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165 color = XlsxColor(c);
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166 } else if (marker == 2) {
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167 int indexed;
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168 s>>indexed;
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169 color = XlsxColor(indexed);
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170 } else if (marker == 3) {
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171 QStringList list;
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172 s>>list;
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173 color = XlsxColor(list[0], list[1]);
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174 }
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175
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176 return s;
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177 }
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178
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179 #endif
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180
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181 #ifndef QT_NO_DEBUG_STREAM
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182 QDebug operator<<(QDebug dbg, const XlsxColor &c)
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183 {
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184 if (c.isInvalid())
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185 dbg.nospace() << "XlsxColor(invalid)";
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186 else if (c.isRgbColor())
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187 dbg.nospace() << c.rgbColor();
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188 else if (c.isIndexedColor())
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189 dbg.nospace() << "XlsxColor(indexed," << c.indexedColor() << ")";
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190 else if (c.isThemeColor())
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191 dbg.nospace() << "XlsxColor(theme," << c.themeColor().join(QLatin1Char(':')) << ")";
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192
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193 return dbg.space();
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194 }
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195
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196 #endif
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197
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198 } // namespace QXlsx
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