1 | /* License: GPL. Copyright 2007 by Immanuel Scholz and others */
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2 | package org.openstreetmap.josm.data.osm.visitor;
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3 |
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4 | /* To enable debugging or profiling remove the double / signs */
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5 |
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6 | import static org.openstreetmap.josm.tools.I18n.marktr;
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7 |
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8 | import java.awt.BasicStroke;
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9 | import java.awt.Color;
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10 | import java.awt.Graphics;
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11 | import java.awt.Graphics2D;
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12 | import java.awt.Point;
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13 | import java.awt.Polygon;
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14 | import java.awt.Rectangle;
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15 | import java.awt.RenderingHints;
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16 | import java.awt.Stroke;
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17 | import java.awt.geom.GeneralPath;
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18 | import java.util.Iterator;
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19 |
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20 | import org.openstreetmap.josm.Main;
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21 | import org.openstreetmap.josm.data.Bounds;
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22 | import org.openstreetmap.josm.data.osm.DataSet;
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23 | import org.openstreetmap.josm.data.osm.Node;
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24 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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25 | import org.openstreetmap.josm.data.osm.Relation;
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26 | import org.openstreetmap.josm.data.osm.RelationMember;
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27 | import org.openstreetmap.josm.data.osm.Way;
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28 | import org.openstreetmap.josm.gui.NavigatableComponent;
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29 |
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30 | /**
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31 | * A visitor that paints a simple scheme of every primitive it visits to a
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32 | * previous set graphic environment.
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33 | *
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34 | * @author imi
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35 | */
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36 | public class SimplePaintVisitor extends AbstractVisitor {
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37 |
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38 | public final static Color darkerblue = new Color(0,0,96);
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39 | public final static Color darkblue = new Color(0,0,128);
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40 | public final static Color darkgreen = new Color(0,128,0);
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41 | public final static Color teal = new Color(0,128,128);
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42 | public final static Color lightteal= new Color(0, 255, 186);
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43 |
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44 | /**
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45 | * The environment to paint to.
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46 | */
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47 | protected Graphics g;
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48 | /**
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49 | * MapView to get screen coordinates.
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50 | */
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51 | protected NavigatableComponent nc;
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52 |
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53 | public boolean inactive;
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54 |
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55 | protected static final double PHI = Math.toRadians(20);
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56 |
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57 | /**
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58 | * Preferences
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59 | */
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60 | protected Color inactiveColor;
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61 | protected Color selectedColor;
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62 | protected Color nodeColor;
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63 | protected Color dfltWayColor;
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64 | protected Color relationColor;
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65 | protected Color untaggedWayColor;
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66 | protected Color incompleteColor;
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67 | protected Color backgroundColor;
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68 | protected Color highlightColor;
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69 | protected boolean showDirectionArrow;
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70 | protected boolean showRelevantDirectionsOnly;
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71 | protected boolean showHeadArrowOnly;
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72 | protected boolean showOrderNumber;
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73 | protected boolean fillSelectedNode;
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74 | protected boolean fillUnselectedNode;
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75 | protected int selectedNodeRadius;
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76 | protected int unselectedNodeRadius;
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77 | protected int selectedNodeSize;
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78 | protected int unselectedNodeSize;
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79 | protected int defaultSegmentWidth;
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80 | protected int virtualNodeSize;
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81 | protected int virtualNodeSpace;
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82 | protected int segmentNumberSpace;
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83 | protected int taggedNodeRadius;
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84 | protected int taggedNodeSize;
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85 |
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86 | /**
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87 | * Draw subsequent segments of same color as one Path
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88 | */
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89 | protected Color currentColor = null;
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90 | protected GeneralPath currentPath = new GeneralPath();
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91 |
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92 | Rectangle bbox = new Rectangle();
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93 |
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94 | public void getColors()
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95 | {
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96 | inactiveColor = Main.pref.getColor(marktr("inactive"), Color.darkGray);
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97 | selectedColor = Main.pref.getColor(marktr("selected"), Color.red);
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98 | nodeColor = Main.pref.getColor(marktr("node"), Color.yellow);
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99 | dfltWayColor = Main.pref.getColor(marktr("way"), darkblue);
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100 | relationColor = Main.pref.getColor(marktr("relation"), teal);
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101 | untaggedWayColor = Main.pref.getColor(marktr("untagged way"), darkgreen);
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102 | incompleteColor = Main.pref.getColor(marktr("incomplete way"), darkerblue);
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103 | backgroundColor = Main.pref.getColor(marktr("background"), Color.BLACK);
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104 | highlightColor = Main.pref.getColor(marktr("highlight"), lightteal);
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105 | }
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106 |
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107 | protected void getSettings(boolean virtual) {
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108 | showDirectionArrow = Main.pref.getBoolean("draw.segment.direction", true);
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109 | showRelevantDirectionsOnly = Main.pref.getBoolean("draw.segment.relevant_directions_only", true);
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110 | showHeadArrowOnly = Main.pref.getBoolean("draw.segment.head_only", false);
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111 | showOrderNumber = Main.pref.getBoolean("draw.segment.order_number", false);
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112 | selectedNodeRadius = Main.pref.getInteger("mappaint.node.selected-size", 5) / 2;
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113 | selectedNodeSize = selectedNodeRadius * 2;
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114 | unselectedNodeRadius = Main.pref.getInteger("mappaint.node.unselected-size", 3) / 2;
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115 | unselectedNodeSize = unselectedNodeRadius * 2;
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116 | taggedNodeRadius = Main.pref.getInteger("mappaint.node.tagged-size", 5) / 2;
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117 | taggedNodeSize = taggedNodeRadius * 2;
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118 | defaultSegmentWidth = Main.pref.getInteger("mappaint.segment.default-width", 2);
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119 | fillSelectedNode = Main.pref.getBoolean("mappaint.node.fill-selected", true);
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120 | fillUnselectedNode = Main.pref.getBoolean("mappaint.node.fill-unselected", false);
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121 | virtualNodeSize = virtual ? Main.pref.getInteger("mappaint.node.virtual-size", 8) / 2 : 0;
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122 | virtualNodeSpace = Main.pref.getInteger("mappaint.node.virtual-space", 70);
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123 | segmentNumberSpace = Main.pref.getInteger("mappaint.segmentnumber.space", 40);
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124 | getColors();
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125 |
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126 | ((Graphics2D)g).setRenderingHint(RenderingHints.KEY_ANTIALIASING,
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127 | Main.pref.getBoolean("mappaint.use-antialiasing", false) ?
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128 | RenderingHints.VALUE_ANTIALIAS_ON : RenderingHints.VALUE_ANTIALIAS_OFF);
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129 | }
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130 |
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131 | DataSet ds;
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132 | public void visitAll(DataSet data, boolean virtual, Bounds bounds) {
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133 | this.ds = data;
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134 | //boolean profiler = Main.pref.getBoolean("simplepaint.profiler",false);
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135 | //long profilerStart = java.lang.System.currentTimeMillis();
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136 | //long profilerLast = profilerStart;
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137 | //int profilerN = 0;
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138 | //if(profiler)
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139 | // System.out.println("Simplepaint Profiler");
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140 |
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141 | getSettings(virtual);
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142 |
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143 | //if(profiler)
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144 | //{
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145 | // System.out.format("Prepare : %4dms\n", (java.lang.System.currentTimeMillis()-profilerLast));
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146 | // profilerLast = java.lang.System.currentTimeMillis();
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147 | //}
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148 |
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149 | /* draw tagged ways first, then untagged ways. takes
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150 | time to iterate through list twice, OTOH does not
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151 | require changing the colour while painting... */
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152 | //profilerN = 0;
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153 | for (final OsmPrimitive osm: data.getRelations()) {
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154 | if (!osm.isDeleted() && !ds.isSelected(osm) && !osm.isFiltered()) {
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155 | osm.visit(this);
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156 | // profilerN++;
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157 | }
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158 | }
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159 |
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160 | //if(profiler)
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161 | //{
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162 | // System.out.format("Relations: %4dms, n=%5d\n", (java.lang.System.currentTimeMillis()-profilerLast), profilerN);
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163 | // profilerLast = java.lang.System.currentTimeMillis();
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164 | //}
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165 |
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166 | //profilerN = 0;
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167 | for (final OsmPrimitive osm:data.getWays()){
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168 | if (!osm.isDeleted() && !ds.isSelected(osm) && !osm.isFiltered() && osm.isTagged()) {
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169 | osm.visit(this);
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170 | // profilerN++;
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171 | }
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172 | }
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173 | displaySegments();
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174 |
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175 | for (final OsmPrimitive osm:data.getWays()){
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176 | if (!osm.isDeleted() && !ds.isSelected(osm) && !osm.isFiltered() && !osm.isTagged()) {
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177 | osm.visit(this);
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178 | // profilerN++;
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179 | }
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180 | }
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181 | displaySegments();
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182 |
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183 | //if(profiler)
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184 | //{
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185 | // System.out.format("Ways : %4dms, n=%5d\n",
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186 | // (java.lang.System.currentTimeMillis()-profilerLast), profilerN);
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187 | // profilerLast = java.lang.System.currentTimeMillis();
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188 | //}
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189 |
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190 | //profilerN = 0;
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191 | for (final OsmPrimitive osm : data.getSelected())
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192 | if (!osm.isDeleted()) {
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193 | osm.visit(this);
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194 | // profilerN++;
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195 | }
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196 | displaySegments();
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197 |
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198 | //if(profiler)
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199 | //{
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200 | // System.out.format("Selected : %4dms, n=%5d\n", (java.lang.System.currentTimeMillis()-profilerLast), profilerN);
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201 | // profilerLast = java.lang.System.currentTimeMillis();
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202 | //}
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203 |
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204 | //profilerN = 0;
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205 | for (final OsmPrimitive osm: data.getNodes()) {
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206 | if (!osm.isDeleted() && !ds.isSelected(osm) && !osm.isFiltered())
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207 | {
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208 | osm.visit(this);
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209 | // profilerN++;
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210 | }
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211 | }
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212 |
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213 | //if(profiler)
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214 | //{
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215 | // System.out.format("Nodes : %4dms, n=%5d\n",
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216 | // (java.lang.System.currentTimeMillis()-profilerLast), profilerN);
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217 | // profilerLast = java.lang.System.currentTimeMillis();
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218 | //}
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219 |
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220 | if (virtualNodeSize != 0) {
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221 | // profilerN = 0;
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222 | currentColor = nodeColor;
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223 | for (final OsmPrimitive osm:data.getWays()){
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224 | if (!osm.isDeleted() && !osm.isDisabled() && !osm.isFiltered()) {
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225 | visitVirtual((Way) osm);
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226 | // profilerN++;
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227 | }
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228 | }
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229 | displaySegments();
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230 |
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231 | // if(profiler)
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232 | // {
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233 | // System.out.format("Virtual : %4dms, n=%5d\n", (java.lang.System.currentTimeMillis()-profilerLast), profilerN);
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234 | // profilerLast = java.lang.System.currentTimeMillis();
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235 | // }
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236 | }
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237 |
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238 | //if(profiler)
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239 | //{
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240 | // System.out.format("All : %4dms\n", (profilerLast-profilerStart));
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241 | //}
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242 | }
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243 |
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244 | /**
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245 | * Draw a small rectangle.
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246 | * White if selected (as always) or red otherwise.
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247 | *
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248 | * @param n The node to draw.
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249 | */
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250 | public void visit(Node n) {
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251 | if (n.isIncomplete()) return;
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252 |
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253 | if (inactive || n.isDisabled()) {
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254 | drawNode(n, inactiveColor, unselectedNodeSize, unselectedNodeRadius, fillUnselectedNode);
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255 | } else if (n.highlighted) {
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256 | drawNode(n, highlightColor, selectedNodeSize, selectedNodeRadius, fillSelectedNode);
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257 | } else if (ds.isSelected(n)) {
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258 | drawNode(n, selectedColor, selectedNodeSize, selectedNodeRadius, fillSelectedNode);
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259 | } else if(n.isTagged()) {
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260 | drawNode(n, nodeColor, taggedNodeSize, taggedNodeRadius, fillUnselectedNode);
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261 | } else {
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262 | drawNode(n, nodeColor, unselectedNodeSize, unselectedNodeRadius, fillUnselectedNode);
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263 | }
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264 | }
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265 |
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266 | public static boolean isLargeSegment(Point p1, Point p2, int space)
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267 | {
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268 | int xd = p1.x-p2.x; if(xd < 0) {
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269 | xd = -xd;
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270 | }
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271 | int yd = p1.y-p2.y; if(yd < 0) {
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272 | yd = -yd;
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273 | }
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274 | return (xd+yd > space);
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275 | }
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276 |
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277 | public void visitVirtual(Way w) {
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278 | Iterator<Node> it = w.getNodes().iterator();
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279 | if (it.hasNext()) {
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280 | Point lastP = nc.getPoint(it.next());
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281 | while(it.hasNext())
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282 | {
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283 | Point p = nc.getPoint(it.next());
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284 | if(isSegmentVisible(lastP, p) && isLargeSegment(lastP, p, virtualNodeSpace))
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285 | {
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286 | int x = (p.x+lastP.x)/2;
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287 | int y = (p.y+lastP.y)/2;
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288 | currentPath.moveTo(x-virtualNodeSize, y);
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289 | currentPath.lineTo(x+virtualNodeSize, y);
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290 | currentPath.moveTo(x, y-virtualNodeSize);
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291 | currentPath.lineTo(x, y+virtualNodeSize);
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292 | }
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293 | lastP = p;
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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 | /**
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299 | * Draw a darkblue line for all segments.
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300 | * @param w The way to draw.
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301 | */
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302 | public void visit(Way w) {
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303 | if (w.isIncomplete() || w.getNodesCount() < 2)
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304 | return;
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305 |
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306 | /* show direction arrows, if draw.segment.relevant_directions_only is not set, the way is tagged with a direction key
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307 | (even if the tag is negated as in oneway=false) or the way is selected */
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308 |
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309 | boolean showThisDirectionArrow = ds.isSelected(w)
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310 | || (showDirectionArrow && (!showRelevantDirectionsOnly || w.hasDirectionKeys()));
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311 | /* head only takes over control if the option is true,
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312 | the direction should be shown at all and not only because it's selected */
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313 | boolean showOnlyHeadArrowOnly = showThisDirectionArrow && !ds.isSelected(w) && showHeadArrowOnly;
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314 | Color wayColor;
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315 |
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316 | if (inactive || w.isDisabled()) {
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317 | wayColor = inactiveColor;
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318 | } else if(w.highlighted) {
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319 | wayColor = highlightColor;
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320 | } else if(ds.isSelected(w)) {
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321 | wayColor = selectedColor;
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322 | } else if (!w.isTagged()) {
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323 | wayColor = untaggedWayColor;
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324 | } else {
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325 | wayColor = dfltWayColor;
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326 | }
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327 |
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328 | Iterator<Node> it = w.getNodes().iterator();
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329 | if (it.hasNext()) {
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330 | Point lastP = nc.getPoint(it.next());
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331 | for (int orderNumber = 1; it.hasNext(); orderNumber++) {
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332 | Point p = nc.getPoint(it.next());
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333 | drawSegment(lastP, p, wayColor,
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334 | showOnlyHeadArrowOnly ? !it.hasNext() : showThisDirectionArrow);
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335 | if (showOrderNumber) {
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336 | drawOrderNumber(lastP, p, orderNumber);
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337 | }
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338 | lastP = p;
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339 | }
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340 | }
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341 | }
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342 |
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343 | private Stroke relatedWayStroke = new BasicStroke(
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344 | 4, BasicStroke.CAP_SQUARE, BasicStroke.JOIN_BEVEL);
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345 | public void visit(Relation r) {
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346 | if (r.isIncomplete()) return;
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347 |
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348 | Color col;
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349 | if (inactive || r.isDisabled()) {
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350 | col = inactiveColor;
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351 | } else if (ds.isSelected(r)) {
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352 | col = selectedColor;
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353 | } else {
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354 | col = relationColor;
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355 | }
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356 | g.setColor(col);
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357 |
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358 | for (RelationMember m : r.getMembers()) {
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359 | if (m.getMember().isIncomplete() || m.getMember().isDeleted()) {
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360 | continue;
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361 | }
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362 |
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363 | if (m.isNode()) {
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364 | Point p = nc.getPoint(m.getNode());
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365 | if (p.x < 0 || p.y < 0
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366 | || p.x > nc.getWidth() || p.y > nc.getHeight()) {
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367 | continue;
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368 | }
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369 |
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370 | g.drawOval(p.x-3, p.y-3, 6, 6);
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371 | } else if (m.isWay()) {
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372 | GeneralPath path = new GeneralPath();
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373 |
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374 | boolean first = true;
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375 | for (Node n : m.getWay().getNodes()) {
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376 | if (n.isIncomplete() || n.isDeleted()) {
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377 | continue;
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378 | }
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379 | Point p = nc.getPoint(n);
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380 | if (first) {
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381 | path.moveTo(p.x, p.y);
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382 | first = false;
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383 | } else {
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384 | path.lineTo(p.x, p.y);
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385 | }
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386 | }
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387 |
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388 | ((Graphics2D) g).draw(relatedWayStroke.createStrokedShape(path));
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389 | }
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390 | }
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391 | }
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392 |
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393 | /**
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394 | * Draw an number of the order of the two consecutive nodes within the
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395 | * parents way
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396 | */
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397 | protected void drawOrderNumber(Point p1, Point p2, int orderNumber) {
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398 | if (isSegmentVisible(p1, p2) && isLargeSegment(p1, p2, segmentNumberSpace)) {
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399 | String on = Integer.toString(orderNumber);
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400 | int strlen = on.length();
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401 | int x = (p1.x+p2.x)/2 - 4*strlen;
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402 | int y = (p1.y+p2.y)/2 + 4;
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403 |
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404 | if(virtualNodeSize != 0 && isLargeSegment(p1, p2, virtualNodeSpace))
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405 | {
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406 | y = (p1.y+p2.y)/2 - virtualNodeSize - 3;
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407 | }
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408 |
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409 | displaySegments(); /* draw nodes on top! */
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410 | Color c = g.getColor();
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411 | g.setColor(backgroundColor);
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412 | g.fillRect(x-1, y-12, 8*strlen+1, 14);
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413 | g.setColor(c);
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414 | g.drawString(on, x, y);
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415 | }
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416 | }
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417 |
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418 | /**
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419 | * Draw the node as small rectangle with the given color.
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420 | *
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421 | * @param n The node to draw.
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422 | * @param color The color of the node.
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423 | */
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424 | public void drawNode(Node n, Color color, int size, int radius, boolean fill) {
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425 | if (size > 1) {
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426 | Point p = nc.getPoint(n);
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427 | if ((p.x < 0) || (p.y < 0) || (p.x > nc.getWidth())
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428 | || (p.y > nc.getHeight()))
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429 | return;
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430 | g.setColor(color);
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431 | if (fill) {
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432 | g.fillRect(p.x - radius, p.y - radius, size, size);
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433 | g.drawRect(p.x - radius, p.y - radius, size, size);
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434 | } else {
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435 | g.drawRect(p.x - radius, p.y - radius, size, size);
|
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436 | }
|
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437 | }
|
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438 | }
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439 |
|
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440 | /**
|
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441 | * Draw a line with the given color.
|
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442 | */
|
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443 | protected void drawSegment(Point p1, Point p2, Color col, boolean showDirection) {
|
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444 | if (col != currentColor) {
|
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445 | displaySegments(col);
|
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446 | }
|
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447 |
|
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448 | if (isSegmentVisible(p1, p2)) {
|
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449 | currentPath.moveTo(p1.x, p1.y);
|
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450 | currentPath.lineTo(p2.x, p2.y);
|
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451 |
|
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452 | if (showDirection) {
|
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453 | double t = Math.atan2(p2.y-p1.y, p2.x-p1.x) + Math.PI;
|
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454 | currentPath.lineTo((int)(p2.x + 10*Math.cos(t-PHI)), (int)(p2.y + 10*Math.sin(t-PHI)));
|
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455 | currentPath.moveTo((int)(p2.x + 10*Math.cos(t+PHI)), (int)(p2.y + 10*Math.sin(t+PHI)));
|
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456 | currentPath.lineTo(p2.x, p2.y);
|
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457 | }
|
---|
458 | }
|
---|
459 | }
|
---|
460 |
|
---|
461 | protected boolean isSegmentVisible(Point p1, Point p2) {
|
---|
462 | if ((p1.x < 0) && (p2.x < 0)) return false;
|
---|
463 | if ((p1.y < 0) && (p2.y < 0)) return false;
|
---|
464 | if ((p1.x > nc.getWidth()) && (p2.x > nc.getWidth())) return false;
|
---|
465 | if ((p1.y > nc.getHeight()) && (p2.y > nc.getHeight())) return false;
|
---|
466 | return true;
|
---|
467 | }
|
---|
468 |
|
---|
469 | protected boolean isPolygonVisible(Polygon polygon) {
|
---|
470 | Rectangle bounds = polygon.getBounds();
|
---|
471 | if (bounds.width == 0 && bounds.height == 0) return false;
|
---|
472 | if (bounds.x > nc.getWidth()) return false;
|
---|
473 | if (bounds.y > nc.getHeight()) return false;
|
---|
474 | if (bounds.x + bounds.width < 0) return false;
|
---|
475 | if (bounds.y + bounds.height < 0) return false;
|
---|
476 | return true;
|
---|
477 | }
|
---|
478 |
|
---|
479 | public void setGraphics(Graphics g) {
|
---|
480 | this.g = g;
|
---|
481 | }
|
---|
482 |
|
---|
483 | public void setNavigatableComponent(NavigatableComponent nc) {
|
---|
484 | this.nc = nc;
|
---|
485 | }
|
---|
486 |
|
---|
487 | protected void displaySegments() {
|
---|
488 | displaySegments(null);
|
---|
489 | }
|
---|
490 | protected void displaySegments(Color newColor) {
|
---|
491 | if (currentPath != null) {
|
---|
492 | g.setColor(currentColor);
|
---|
493 | ((Graphics2D) g).draw(currentPath);
|
---|
494 | currentPath = new GeneralPath();
|
---|
495 | currentColor = newColor;
|
---|
496 | }
|
---|
497 | }
|
---|
498 | }
|
---|