1 | /* -*- mode: c++; c-basic-offset: 4; indent-tabs-mode: nil -*- */ |
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2 | /* |
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3 | * Copyright (C) 2015 HUBzero Foundation, LLC |
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4 | * |
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5 | * Author: Leif Delgass <ldelgass@purdue.edu> |
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6 | */ |
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7 | |
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8 | #ifndef GEOVIS_PLACARD_H |
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9 | #define GEOVIS_PLACARD_H |
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10 | |
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11 | #include <string> |
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12 | #include <vector> |
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13 | #include <algorithm> |
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14 | |
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15 | #include <osgEarth/ScreenSpaceLayout> |
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16 | #include <osgEarthAnnotation/GeoPositionNode> |
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17 | #include <osgEarthAnnotation/LabelNode> |
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18 | #include <osgEarthFeatures/Feature> |
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19 | |
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20 | namespace GeoVis { |
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21 | |
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22 | class Placard { |
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23 | public: |
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24 | Placard(); |
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25 | virtual ~Placard() |
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26 | {} |
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27 | void addAllAttributes(const osgEarth::Features::AttributeTable& attrs) |
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28 | { |
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29 | for (osgEarth::Features::AttributeTable::const_iterator itr = attrs.begin(); |
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30 | itr != attrs.end(); ++itr) { |
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31 | std::string label = itr->first; |
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32 | std::replace(label.begin(), label.end(), '_', ' '); |
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33 | addEntry(itr->first, label); |
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34 | } |
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35 | } |
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36 | void addEntry(const std::string& name) |
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37 | { |
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38 | addEntry(name, name); |
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39 | } |
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40 | void addEntry(const std::string& name, const std::string& label) |
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41 | { |
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42 | _attrNames.push_back(name); |
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43 | _attrLabels.push_back(label); |
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44 | } |
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45 | void getEntry(int i, std::string& name, std::string& label) const |
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46 | { |
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47 | name = _attrNames[i]; |
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48 | label = _attrLabels[i]; |
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49 | } |
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50 | size_t getNumEntries() const |
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51 | { |
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52 | return _attrNames.size(); |
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53 | } |
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54 | void setStyle(const osgEarth::Symbology::Style& style) |
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55 | { |
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56 | _textStyle = style; |
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57 | } |
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58 | const osgEarth::Symbology::Style& getStyle() const |
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59 | { |
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60 | return _textStyle; |
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61 | } |
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62 | void setPadding(float padding) |
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63 | { |
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64 | _padding = padding; |
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65 | } |
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66 | float getPadding() const |
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67 | { |
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68 | return _padding; |
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69 | } |
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70 | bool enabled() |
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71 | { |
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72 | return _enabled; |
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73 | } |
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74 | void setEnabled(bool state) |
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75 | { |
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76 | _enabled = state; |
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77 | } |
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78 | |
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79 | private: |
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80 | std::vector<std::string> _attrNames; |
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81 | std::vector<std::string> _attrLabels; |
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82 | float _padding; |
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83 | osgEarth::Symbology::Style _textStyle; |
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84 | bool _enabled; |
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85 | }; |
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86 | |
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87 | class PlacardLabelNode : public osgEarth::Annotation::LabelNode { |
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88 | public: |
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89 | META_Node(osgEarthAnnotation, PlacardLabelNode); |
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90 | |
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91 | PlacardLabelNode() : |
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92 | osgEarth::Annotation::LabelNode() |
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93 | {} |
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94 | PlacardLabelNode(const PlacardLabelNode& other, const osg::CopyOp& op = osg::CopyOp::DEEP_COPY_ALL) : |
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95 | osgEarth::Annotation::LabelNode(other, op), |
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96 | _placardConf(other._placardConf) |
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97 | { |
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98 | } |
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99 | PlacardLabelNode(osgEarth::MapNode *mapNode, |
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100 | const osgEarth::GeoPoint& position, |
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101 | const Placard& placardConf, |
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102 | const osgEarth::Features::AttributeTable &attrs); |
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103 | |
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104 | virtual ~PlacardLabelNode() |
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105 | {} |
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106 | |
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107 | void setConfig(const Placard& placardConf); |
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108 | |
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109 | private: |
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110 | Placard _placardConf; |
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111 | osgEarth::Features::AttributeTable _attrs; |
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112 | }; |
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113 | |
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114 | class PlacardNode : |
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115 | public osgEarth::Annotation::GeoPositionNode |
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116 | { |
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117 | public: |
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118 | META_Node(osgEarthAnnotation, PlacardNode); |
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119 | |
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120 | PlacardNode() : |
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121 | osgEarth::Annotation::GeoPositionNode() |
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122 | {} |
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123 | PlacardNode(const PlacardNode& other, const osg::CopyOp& op = osg::CopyOp::DEEP_COPY_ALL) : |
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124 | osgEarth::Annotation::GeoPositionNode(other, op), |
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125 | _placardConf(other._placardConf) |
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126 | { |
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127 | } |
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128 | PlacardNode(osgEarth::MapNode *mapNode, |
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129 | const osgEarth::GeoPoint& position, |
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130 | const Placard& placardConf, |
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131 | const osgEarth::Features::AttributeTable &attrs); |
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132 | |
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133 | virtual ~PlacardNode() |
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134 | {} |
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135 | |
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136 | void setConfig(const Placard& placardConf); |
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137 | |
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138 | /** |
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139 | * Sets the text content. |
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140 | */ |
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141 | void setText( const std::string& text ); |
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142 | const std::string& text() const { return _text; } |
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143 | virtual const std::string& getText() const { return text(); } |
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144 | |
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145 | /** |
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146 | * Gets a copy of the text style. |
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147 | */ |
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148 | const osgEarth::Symbology::Style& getStyle() const { return _style; } |
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149 | |
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150 | /** |
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151 | * Sets a new text style |
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152 | */ |
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153 | void setStyle( const osgEarth::Symbology::Style& style ); |
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154 | |
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155 | public: // Ortho|GeoPositionNode override |
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156 | virtual void setPriority(float value); |
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157 | |
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158 | virtual void setDynamic( bool value ); |
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159 | |
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160 | virtual osgEarth::Config getConfig() const; |
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161 | |
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162 | protected: |
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163 | void init(const osgEarth::Symbology::Style& style); |
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164 | |
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165 | void updateLayoutData(); |
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166 | |
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167 | std::string _text; |
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168 | osgEarth::Symbology::Style _style; |
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169 | osg::ref_ptr<osg::Geode> _geode; |
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170 | osg::ref_ptr<osg::Geode> _backdropGeode; |
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171 | osg::ref_ptr<osgEarth::ScreenSpaceLayoutData> _dataLayout; |
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172 | |
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173 | Placard _placardConf; |
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174 | osgEarth::Features::AttributeTable _attrs; |
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175 | }; |
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176 | |
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177 | } |
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178 | |
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179 | #endif |
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