1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.data.osm.visitor.paint;
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3 |
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4 | import java.awt.AlphaComposite;
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5 | import java.awt.BasicStroke;
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6 | import java.awt.Color;
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7 | import java.awt.Component;
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8 | import java.awt.Dimension;
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9 | import java.awt.Font;
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10 | import java.awt.FontMetrics;
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11 | import java.awt.Graphics2D;
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12 | import java.awt.Image;
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13 | import java.awt.Point;
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14 | import java.awt.Polygon;
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15 | import java.awt.Rectangle;
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16 | import java.awt.RenderingHints;
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17 | import java.awt.Shape;
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18 | import java.awt.TexturePaint;
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19 | import java.awt.font.FontRenderContext;
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20 | import java.awt.font.GlyphVector;
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21 | import java.awt.font.LineMetrics;
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22 | import java.awt.font.TextLayout;
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23 | import java.awt.geom.AffineTransform;
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24 | import java.awt.geom.GeneralPath;
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25 | import java.awt.geom.Path2D;
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26 | import java.awt.geom.Point2D;
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27 | import java.awt.geom.Rectangle2D;
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28 | import java.util.ArrayList;
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29 | import java.util.Collection;
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30 | import java.util.Collections;
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31 | import java.util.HashMap;
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32 | import java.util.Iterator;
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33 | import java.util.List;
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34 | import java.util.Map;
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35 | import java.util.concurrent.Callable;
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36 | import java.util.concurrent.ExecutionException;
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37 | import java.util.concurrent.ExecutorService;
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38 | import java.util.concurrent.Future;
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39 |
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40 | import javax.swing.AbstractButton;
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41 | import javax.swing.FocusManager;
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42 |
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43 | import org.openstreetmap.josm.Main;
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44 | import org.openstreetmap.josm.data.Bounds;
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45 | import org.openstreetmap.josm.data.coor.EastNorth;
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46 | import org.openstreetmap.josm.data.osm.BBox;
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47 | import org.openstreetmap.josm.data.osm.Changeset;
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48 | import org.openstreetmap.josm.data.osm.DataSet;
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49 | import org.openstreetmap.josm.data.osm.Node;
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50 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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51 | import org.openstreetmap.josm.data.osm.OsmUtils;
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52 | import org.openstreetmap.josm.data.osm.Relation;
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53 | import org.openstreetmap.josm.data.osm.RelationMember;
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54 | import org.openstreetmap.josm.data.osm.Way;
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55 | import org.openstreetmap.josm.data.osm.WaySegment;
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56 | import org.openstreetmap.josm.data.osm.visitor.Visitor;
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57 | import org.openstreetmap.josm.data.osm.visitor.paint.relations.Multipolygon;
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58 | import org.openstreetmap.josm.data.osm.visitor.paint.relations.Multipolygon.PolyData;
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59 | import org.openstreetmap.josm.data.osm.visitor.paint.relations.MultipolygonCache;
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60 | import org.openstreetmap.josm.gui.NavigatableComponent;
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61 | import org.openstreetmap.josm.gui.mappaint.ElemStyles;
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62 | import org.openstreetmap.josm.gui.mappaint.MapPaintStyles;
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63 | import org.openstreetmap.josm.gui.mappaint.StyleCache.StyleList;
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64 | import org.openstreetmap.josm.gui.mappaint.mapcss.MapCSSStyleSource;
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65 | import org.openstreetmap.josm.gui.mappaint.mapcss.Selector;
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66 | import org.openstreetmap.josm.gui.mappaint.styleelement.AreaElement;
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67 | import org.openstreetmap.josm.gui.mappaint.styleelement.BoxTextElement;
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68 | import org.openstreetmap.josm.gui.mappaint.styleelement.BoxTextElement.HorizontalTextAlignment;
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69 | import org.openstreetmap.josm.gui.mappaint.styleelement.BoxTextElement.VerticalTextAlignment;
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70 | import org.openstreetmap.josm.gui.mappaint.styleelement.MapImage;
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71 | import org.openstreetmap.josm.gui.mappaint.styleelement.NodeElement;
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72 | import org.openstreetmap.josm.gui.mappaint.styleelement.NodeElement.Symbol;
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73 | import org.openstreetmap.josm.gui.mappaint.styleelement.RepeatImageElement.LineImageAlignment;
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74 | import org.openstreetmap.josm.gui.mappaint.styleelement.StyleElement;
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75 | import org.openstreetmap.josm.gui.mappaint.styleelement.TextLabel;
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76 | import org.openstreetmap.josm.tools.CompositeList;
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77 | import org.openstreetmap.josm.tools.Geometry;
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78 | import org.openstreetmap.josm.tools.Geometry.AreaAndPerimeter;
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79 | import org.openstreetmap.josm.tools.ImageProvider;
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80 | import org.openstreetmap.josm.tools.Pair;
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81 | import org.openstreetmap.josm.tools.Utils;
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82 |
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83 | /**
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84 | * A map renderer which renders a map according to style rules in a set of style sheets.
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85 | * @since 486
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86 | */
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87 | public class StyledMapRenderer extends AbstractMapRenderer {
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88 |
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89 | private static final Pair<Integer, ExecutorService> THREAD_POOL =
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90 | Utils.newThreadPool("mappaint.StyledMapRenderer.style_creation.numberOfThreads", "styled-map-renderer-%d", Thread.NORM_PRIORITY);
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91 |
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92 | /**
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93 | * Iterates over a list of Way Nodes and returns screen coordinates that
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94 | * represent a line that is shifted by a certain offset perpendicular
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95 | * to the way direction.
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96 | *
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97 | * There is no intention, to handle consecutive duplicate Nodes in a
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98 | * perfect way, but it is should not throw an exception.
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99 | */
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100 | private class OffsetIterator implements Iterator<Point> {
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101 |
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102 | private final List<Node> nodes;
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103 | private final double offset;
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104 | private int idx;
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105 |
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106 | private Point prev;
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107 | /* 'prev0' is a point that has distance 'offset' from 'prev' and the
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108 | * line from 'prev' to 'prev0' is perpendicular to the way segment from
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109 | * 'prev' to the next point.
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110 | */
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111 | private int xPrev0, yPrev0;
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112 |
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113 | OffsetIterator(List<Node> nodes, double offset) {
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114 | this.nodes = nodes;
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115 | this.offset = offset;
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116 | idx = 0;
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117 | }
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118 |
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119 | @Override
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120 | public boolean hasNext() {
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121 | return idx < nodes.size();
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122 | }
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123 |
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124 | @Override
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125 | public Point next() {
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126 | if (Math.abs(offset) < 0.1d) return nc.getPoint(nodes.get(idx++));
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127 |
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128 | Point current = nc.getPoint(nodes.get(idx));
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129 |
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130 | if (idx == nodes.size() - 1) {
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131 | ++idx;
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132 | if (prev != null) {
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133 | return new Point(xPrev0 + current.x - prev.x, yPrev0 + current.y - prev.y);
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134 | } else {
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135 | return current;
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136 | }
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137 | }
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138 |
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139 | Point next = nc.getPoint(nodes.get(idx+1));
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140 |
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141 | int dxNext = next.x - current.x;
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142 | int dyNext = next.y - current.y;
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143 | double lenNext = Math.sqrt(dxNext*dxNext + dyNext*dyNext);
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144 |
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145 | if (lenNext == 0) {
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146 | lenNext = 1; // value does not matter, because dy_next and dx_next is 0
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147 | }
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148 |
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149 | int xCurrent0 = current.x + (int) Math.round(offset * dyNext / lenNext);
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150 | int yCurrent0 = current.y - (int) Math.round(offset * dxNext / lenNext);
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151 |
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152 | if (idx == 0) {
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153 | ++idx;
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154 | prev = current;
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155 | xPrev0 = xCurrent0;
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156 | yPrev0 = yCurrent0;
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157 | return new Point(xCurrent0, yCurrent0);
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158 | } else {
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159 | int dxPrev = current.x - prev.x;
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160 | int dyPrev = current.y - prev.y;
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161 |
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162 | // determine intersection of the lines parallel to the two segments
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163 | int det = dxNext*dyPrev - dxPrev*dyNext;
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164 |
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165 | if (det == 0) {
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166 | ++idx;
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167 | prev = current;
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168 | xPrev0 = xCurrent0;
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169 | yPrev0 = yCurrent0;
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170 | return new Point(xCurrent0, yCurrent0);
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171 | }
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172 |
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173 | int m = dxNext*(yCurrent0 - yPrev0) - dyNext*(xCurrent0 - xPrev0);
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174 |
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175 | int cx = xPrev0 + (int) Math.round((double) m * dxPrev / det);
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176 | int cy = yPrev0 + (int) Math.round((double) m * dyPrev / det);
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177 | ++idx;
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178 | prev = current;
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179 | xPrev0 = xCurrent0;
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180 | yPrev0 = yCurrent0;
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181 | return new Point(cx, cy);
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182 | }
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183 | }
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184 |
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185 | @Override
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186 | public void remove() {
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187 | throw new UnsupportedOperationException();
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188 | }
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189 | }
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190 |
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191 | private static class StyleRecord implements Comparable<StyleRecord> {
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192 | private final StyleElement style;
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193 | private final OsmPrimitive osm;
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194 | private final int flags;
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195 |
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196 | StyleRecord(StyleElement style, OsmPrimitive osm, int flags) {
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197 | this.style = style;
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198 | this.osm = osm;
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199 | this.flags = flags;
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200 | }
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201 |
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202 | @Override
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203 | public int compareTo(StyleRecord other) {
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204 | if ((this.flags & FLAG_DISABLED) != 0 && (other.flags & FLAG_DISABLED) == 0)
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205 | return -1;
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206 | if ((this.flags & FLAG_DISABLED) == 0 && (other.flags & FLAG_DISABLED) != 0)
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207 | return 1;
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208 |
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209 | int d0 = Float.compare(this.style.majorZIndex, other.style.majorZIndex);
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210 | if (d0 != 0)
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211 | return d0;
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212 |
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213 | // selected on top of member of selected on top of unselected
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214 | // FLAG_DISABLED bit is the same at this point
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215 | if (this.flags > other.flags)
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216 | return 1;
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217 | if (this.flags < other.flags)
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218 | return -1;
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219 |
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220 | int dz = Float.compare(this.style.zIndex, other.style.zIndex);
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221 | if (dz != 0)
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222 | return dz;
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223 |
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224 | // simple node on top of icons and shapes
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225 | if (this.style == NodeElement.SIMPLE_NODE_ELEMSTYLE && other.style != NodeElement.SIMPLE_NODE_ELEMSTYLE)
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226 | return 1;
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227 | if (this.style != NodeElement.SIMPLE_NODE_ELEMSTYLE && other.style == NodeElement.SIMPLE_NODE_ELEMSTYLE)
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228 | return -1;
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229 |
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230 | // newer primitives to the front
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231 | long id = this.osm.getUniqueId() - other.osm.getUniqueId();
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232 | if (id > 0)
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233 | return 1;
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234 | if (id < 0)
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235 | return -1;
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236 |
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237 | return Float.compare(this.style.objectZIndex, other.style.objectZIndex);
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238 | }
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239 | }
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240 |
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241 | private static Map<Font, Boolean> IS_GLYPH_VECTOR_DOUBLE_TRANSLATION_BUG = new HashMap<>();
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242 |
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243 | /**
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244 | * Check, if this System has the GlyphVector double translation bug.
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245 | *
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246 | * With this bug, <code>gv.setGlyphTransform(i, trfm)</code> has a different
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247 | * effect than on most other systems, namely the translation components
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248 | * ("m02" & "m12", {@link AffineTransform}) appear to be twice as large, as
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249 | * they actually are. The rotation is unaffected (scale & shear not tested
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250 | * so far).
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251 | *
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252 | * This bug has only been observed on Mac OS X, see #7841.
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253 | *
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254 | * After switch to Java 7, this test is a false positive on Mac OS X (see #10446),
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255 | * i.e. it returns true, but the real rendering code does not require any special
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256 | * handling.
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257 | * It hasn't been further investigated why the test reports a wrong result in
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258 | * this case, but the method has been changed to simply return false by default.
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259 | * (This can be changed with a setting in the advanced preferences.)
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260 | *
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261 | * @param font The font to check.
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262 | * @return false by default, but depends on the value of the advanced
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263 | * preference glyph-bug=false|true|auto, where auto is the automatic detection
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264 | * method which apparently no longer gives a useful result for Java 7.
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265 | */
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266 | public static boolean isGlyphVectorDoubleTranslationBug(Font font) {
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267 | Boolean cached = IS_GLYPH_VECTOR_DOUBLE_TRANSLATION_BUG.get(font);
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268 | if (cached != null)
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269 | return cached;
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270 | String overridePref = Main.pref.get("glyph-bug", "auto");
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271 | if ("auto".equals(overridePref)) {
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272 | FontRenderContext frc = new FontRenderContext(null, false, false);
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273 | GlyphVector gv = font.createGlyphVector(frc, "x");
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274 | gv.setGlyphTransform(0, AffineTransform.getTranslateInstance(1000, 1000));
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275 | Shape shape = gv.getGlyphOutline(0);
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276 | Main.trace("#10446: shape: "+shape.getBounds());
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277 | // x is about 1000 on normal stystems and about 2000 when the bug occurs
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278 | int x = shape.getBounds().x;
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279 | boolean isBug = x > 1500;
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280 | IS_GLYPH_VECTOR_DOUBLE_TRANSLATION_BUG.put(font, isBug);
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281 | return isBug;
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282 | } else {
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283 | boolean override = Boolean.parseBoolean(overridePref);
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284 | IS_GLYPH_VECTOR_DOUBLE_TRANSLATION_BUG.put(font, override);
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285 | return override;
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286 | }
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287 | }
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288 |
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289 | private double circum;
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290 | private double scale;
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291 |
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292 | private MapPaintSettings paintSettings;
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293 |
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294 | private Color highlightColorTransparent;
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295 |
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296 | /**
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297 | * Flags used to store the primitive state along with the style. This is the normal style.
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298 | * <p>
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299 | * Not used in any public interfaces.
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300 | */
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301 | private static final int FLAG_NORMAL = 0;
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302 | /**
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303 | * A primitive with {@link OsmPrimitive#isDisabled()}
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304 | */
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305 | private static final int FLAG_DISABLED = 1;
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306 | /**
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307 | * A primitive with {@link OsmPrimitive#isMemberOfSelected()}
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308 | */
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309 | private static final int FLAG_MEMBER_OF_SELECTED = 2;
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310 | /**
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311 | * A primitive with {@link OsmPrimitive#isSelected()}
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312 | */
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313 | private static final int FLAG_SELECTED = 4;
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314 | /**
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315 | * A primitive with {@link OsmPrimitive#isOuterMemberOfSelected()}
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316 | */
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317 | private static final int FLAG_OUTERMEMBER_OF_SELECTED = 8;
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318 |
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319 | private static final double PHI = Math.toRadians(20);
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320 | private static final double cosPHI = Math.cos(PHI);
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321 | private static final double sinPHI = Math.sin(PHI);
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322 |
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323 | private Collection<WaySegment> highlightWaySegments;
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324 |
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325 | // highlight customization fields
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326 | private int highlightLineWidth;
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327 | private int highlightPointRadius;
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328 | private int widerHighlight;
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329 | private int highlightStep;
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330 |
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331 | //flag that activate wider highlight mode
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332 | private boolean useWiderHighlight;
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333 |
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334 | private boolean useStrokes;
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335 | private boolean showNames;
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336 | private boolean showIcons;
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337 | private boolean isOutlineOnly;
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338 |
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339 | private Font orderFont;
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340 |
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341 | private boolean leftHandTraffic;
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342 | private Object antialiasing;
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343 |
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344 | /**
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345 | * Constructs a new {@code StyledMapRenderer}.
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346 | *
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347 | * @param g the graphics context. Must not be null.
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348 | * @param nc the map viewport. Must not be null.
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349 | * @param isInactiveMode if true, the paint visitor shall render OSM objects such that they
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350 | * look inactive. Example: rendering of data in an inactive layer using light gray as color only.
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351 | * @throws IllegalArgumentException if {@code g} is null
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352 | * @throws IllegalArgumentException if {@code nc} is null
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353 | */
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354 | public StyledMapRenderer(Graphics2D g, NavigatableComponent nc, boolean isInactiveMode) {
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355 | super(g, nc, isInactiveMode);
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356 |
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357 | if (nc != null) {
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358 | Component focusOwner = FocusManager.getCurrentManager().getFocusOwner();
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359 | useWiderHighlight = !(focusOwner instanceof AbstractButton || focusOwner == nc);
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360 | }
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361 | }
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362 |
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363 | private Polygon buildPolygon(Point center, int radius, int sides) {
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364 | return buildPolygon(center, radius, sides, 0.0);
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365 | }
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366 |
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367 | private static Polygon buildPolygon(Point center, int radius, int sides, double rotation) {
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368 | Polygon polygon = new Polygon();
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369 | for (int i = 0; i < sides; i++) {
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370 | double angle = ((2 * Math.PI / sides) * i) - rotation;
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371 | int x = (int) Math.round(center.x + radius * Math.cos(angle));
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372 | int y = (int) Math.round(center.y + radius * Math.sin(angle));
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373 | polygon.addPoint(x, y);
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374 | }
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375 | return polygon;
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376 | }
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377 |
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378 | private void displaySegments(GeneralPath path, GeneralPath orientationArrows, GeneralPath onewayArrows, GeneralPath onewayArrowsCasing,
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379 | Color color, BasicStroke line, BasicStroke dashes, Color dashedColor) {
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380 | g.setColor(isInactiveMode ? inactiveColor : color);
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381 | if (useStrokes) {
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382 | g.setStroke(line);
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383 | }
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384 | g.draw(path);
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385 |
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386 | if (!isInactiveMode && useStrokes && dashes != null) {
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387 | g.setColor(dashedColor);
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388 | g.setStroke(dashes);
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389 | g.draw(path);
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390 | }
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391 |
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392 | if (orientationArrows != null) {
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393 | g.setColor(isInactiveMode ? inactiveColor : color);
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394 | g.setStroke(new BasicStroke(line.getLineWidth(), line.getEndCap(), BasicStroke.JOIN_MITER, line.getMiterLimit()));
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395 | g.draw(orientationArrows);
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396 | }
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397 |
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398 | if (onewayArrows != null) {
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399 | g.setStroke(new BasicStroke(1, line.getEndCap(), BasicStroke.JOIN_MITER, line.getMiterLimit()));
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400 | g.fill(onewayArrowsCasing);
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401 | g.setColor(isInactiveMode ? inactiveColor : backgroundColor);
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402 | g.fill(onewayArrows);
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403 | }
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404 |
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405 | if (useStrokes) {
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406 | g.setStroke(new BasicStroke());
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407 | }
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408 | }
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409 |
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410 | /**
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411 | * Displays text at specified position including its halo, if applicable.
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412 | *
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413 | * @param gv Text's glyphs to display. If {@code null}, use text from {@code s} instead.
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414 | * @param s text to display if {@code gv} is {@code null}
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415 | * @param x X position
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416 | * @param y Y position
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417 | * @param disabled {@code true} if element is disabled (filtered out)
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418 | * @param text text style to use
|
---|
419 | */
|
---|
420 | private void displayText(GlyphVector gv, String s, int x, int y, boolean disabled, TextLabel text) {
|
---|
421 | if (gv == null && s.isEmpty()) return;
|
---|
422 | if (isInactiveMode || disabled) {
|
---|
423 | g.setColor(inactiveColor);
|
---|
424 | if (gv != null) {
|
---|
425 | g.drawGlyphVector(gv, x, y);
|
---|
426 | } else {
|
---|
427 | g.setFont(text.font);
|
---|
428 | g.drawString(s, x, y);
|
---|
429 | }
|
---|
430 | } else if (text.haloRadius != null) {
|
---|
431 | g.setStroke(new BasicStroke(2*text.haloRadius, BasicStroke.CAP_BUTT, BasicStroke.JOIN_ROUND));
|
---|
432 | g.setColor(text.haloColor);
|
---|
433 | Shape textOutline;
|
---|
434 | if (gv == null) {
|
---|
435 | FontRenderContext frc = g.getFontRenderContext();
|
---|
436 | TextLayout tl = new TextLayout(s, text.font, frc);
|
---|
437 | textOutline = tl.getOutline(AffineTransform.getTranslateInstance(x, y));
|
---|
438 | } else {
|
---|
439 | textOutline = gv.getOutline(x, y);
|
---|
440 | }
|
---|
441 | g.draw(textOutline);
|
---|
442 | g.setStroke(new BasicStroke());
|
---|
443 | g.setColor(text.color);
|
---|
444 | g.fill(textOutline);
|
---|
445 | } else {
|
---|
446 | g.setColor(text.color);
|
---|
447 | if (gv != null) {
|
---|
448 | g.drawGlyphVector(gv, x, y);
|
---|
449 | } else {
|
---|
450 | g.setFont(text.font);
|
---|
451 | g.drawString(s, x, y);
|
---|
452 | }
|
---|
453 | }
|
---|
454 | }
|
---|
455 |
|
---|
456 | /**
|
---|
457 | * Worker function for drawing areas.
|
---|
458 | *
|
---|
459 | * @param osm the primitive
|
---|
460 | * @param path the path object for the area that should be drawn; in case
|
---|
461 | * of multipolygons, this can path can be a complex shape with one outer
|
---|
462 | * polygon and one or more inner polygons
|
---|
463 | * @param color The color to fill the area with.
|
---|
464 | * @param fillImage The image to fill the area with. Overrides color.
|
---|
465 | * @param extent if not null, area will be filled partially; specifies, how
|
---|
466 | * far to fill from the boundary towards the center of the area;
|
---|
467 | * if null, area will be filled completely
|
---|
468 | * @param pfClip clipping area for partial fill (only needed for unclosed
|
---|
469 | * polygons)
|
---|
470 | * @param disabled If this should be drawn with a special disabled style.
|
---|
471 | * @param text The text to write on the area.
|
---|
472 | */
|
---|
473 | protected void drawArea(OsmPrimitive osm, Path2D.Double path, Color color,
|
---|
474 | MapImage fillImage, Float extent, Path2D.Double pfClip, boolean disabled, TextLabel text) {
|
---|
475 |
|
---|
476 | Shape area = path.createTransformedShape(nc.getAffineTransform());
|
---|
477 |
|
---|
478 | if (!isOutlineOnly) {
|
---|
479 | g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF);
|
---|
480 | if (fillImage == null) {
|
---|
481 | if (isInactiveMode) {
|
---|
482 | g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.33f));
|
---|
483 | }
|
---|
484 | g.setColor(color);
|
---|
485 | if (extent == null) {
|
---|
486 | g.fill(area);
|
---|
487 | } else {
|
---|
488 | Shape oldClip = g.getClip();
|
---|
489 | Shape clip = area;
|
---|
490 | if (pfClip != null) {
|
---|
491 | clip = pfClip.createTransformedShape(nc.getAffineTransform());
|
---|
492 | }
|
---|
493 | g.clip(clip);
|
---|
494 | g.setStroke(new BasicStroke(2 * extent, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER, 4));
|
---|
495 | g.draw(area);
|
---|
496 | g.setClip(oldClip);
|
---|
497 | }
|
---|
498 | } else {
|
---|
499 | TexturePaint texture = new TexturePaint(fillImage.getImage(disabled),
|
---|
500 | new Rectangle(0, 0, fillImage.getWidth(), fillImage.getHeight()));
|
---|
501 | g.setPaint(texture);
|
---|
502 | Float alpha = fillImage.getAlphaFloat();
|
---|
503 | if (!Utils.equalsEpsilon(alpha, 1f)) {
|
---|
504 | g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, alpha));
|
---|
505 | }
|
---|
506 | if (extent == null) {
|
---|
507 | g.fill(area);
|
---|
508 | } else {
|
---|
509 | Shape oldClip = g.getClip();
|
---|
510 | BasicStroke stroke = new BasicStroke(2 * extent, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER);
|
---|
511 | g.clip(stroke.createStrokedShape(area));
|
---|
512 | Shape fill = area;
|
---|
513 | if (pfClip != null) {
|
---|
514 | fill = pfClip.createTransformedShape(nc.getAffineTransform());
|
---|
515 | }
|
---|
516 | g.fill(fill);
|
---|
517 | g.setClip(oldClip);
|
---|
518 | }
|
---|
519 | g.setPaintMode();
|
---|
520 | }
|
---|
521 | g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, antialiasing);
|
---|
522 | }
|
---|
523 |
|
---|
524 | drawAreaText(osm, text, area);
|
---|
525 | }
|
---|
526 |
|
---|
527 | private void drawAreaText(OsmPrimitive osm, TextLabel text, Shape area) {
|
---|
528 | if (text != null && isShowNames()) {
|
---|
529 | // abort if we can't compose the label to be rendered
|
---|
530 | if (text.labelCompositionStrategy == null) return;
|
---|
531 | String name = text.labelCompositionStrategy.compose(osm);
|
---|
532 | if (name == null) return;
|
---|
533 |
|
---|
534 | Rectangle pb = area.getBounds();
|
---|
535 | FontMetrics fontMetrics = g.getFontMetrics(orderFont); // if slow, use cache
|
---|
536 | Rectangle2D nb = fontMetrics.getStringBounds(name, g); // if slow, approximate by strlen()*maxcharbounds(font)
|
---|
537 |
|
---|
538 | // Using the Centroid is Nicer for buildings like: +--------+
|
---|
539 | // but this needs to be fast. As most houses are | 42 |
|
---|
540 | // boxes anyway, the center of the bounding box +---++---+
|
---|
541 | // will have to do. ++
|
---|
542 | // Centroids are not optimal either, just imagine a U-shaped house.
|
---|
543 |
|
---|
544 | // quick check to see if label box is smaller than primitive box
|
---|
545 | if (pb.width >= nb.getWidth() && pb.height >= nb.getHeight()) {
|
---|
546 |
|
---|
547 | final double w = pb.width - nb.getWidth();
|
---|
548 | final double h = pb.height - nb.getHeight();
|
---|
549 |
|
---|
550 | final int x2 = pb.x + (int) (w/2.0);
|
---|
551 | final int y2 = pb.y + (int) (h/2.0);
|
---|
552 |
|
---|
553 | final int nbw = (int) nb.getWidth();
|
---|
554 | final int nbh = (int) nb.getHeight();
|
---|
555 |
|
---|
556 | Rectangle centeredNBounds = new Rectangle(x2, y2, nbw, nbh);
|
---|
557 |
|
---|
558 | // slower check to see if label is displayed inside primitive shape
|
---|
559 | boolean labelOK = area.contains(centeredNBounds);
|
---|
560 | if (!labelOK) {
|
---|
561 | // if center position (C) is not inside osm shape, try naively some other positions as follows:
|
---|
562 | final int x1 = pb.x + (int) (w/4.0);
|
---|
563 | final int x3 = pb.x + (int) (3*w/4.0);
|
---|
564 | final int y1 = pb.y + (int) (h/4.0);
|
---|
565 | final int y3 = pb.y + (int) (3*h/4.0);
|
---|
566 | // +-----------+
|
---|
567 | // | 5 1 6 |
|
---|
568 | // | 4 C 2 |
|
---|
569 | // | 8 3 7 |
|
---|
570 | // +-----------+
|
---|
571 | Rectangle[] candidates = new Rectangle[] {
|
---|
572 | new Rectangle(x2, y1, nbw, nbh),
|
---|
573 | new Rectangle(x3, y2, nbw, nbh),
|
---|
574 | new Rectangle(x2, y3, nbw, nbh),
|
---|
575 | new Rectangle(x1, y2, nbw, nbh),
|
---|
576 | new Rectangle(x1, y1, nbw, nbh),
|
---|
577 | new Rectangle(x3, y1, nbw, nbh),
|
---|
578 | new Rectangle(x3, y3, nbw, nbh),
|
---|
579 | new Rectangle(x1, y3, nbw, nbh)
|
---|
580 | };
|
---|
581 | // Dumb algorithm to find a better placement. We could surely find a smarter one but it should
|
---|
582 | // solve most of building issues with only few calculations (8 at most)
|
---|
583 | for (int i = 0; i < candidates.length && !labelOK; i++) {
|
---|
584 | centeredNBounds = candidates[i];
|
---|
585 | labelOK = area.contains(centeredNBounds);
|
---|
586 | }
|
---|
587 | }
|
---|
588 | if (labelOK) {
|
---|
589 | Font defaultFont = g.getFont();
|
---|
590 | int x = (int) (centeredNBounds.getMinX() - nb.getMinX());
|
---|
591 | int y = (int) (centeredNBounds.getMinY() - nb.getMinY());
|
---|
592 | displayText(null, name, x, y, osm.isDisabled(), text);
|
---|
593 | g.setFont(defaultFont);
|
---|
594 | } else if (Main.isDebugEnabled()) {
|
---|
595 | Main.debug("Couldn't find a correct label placement for "+osm+" / "+name);
|
---|
596 | }
|
---|
597 | }
|
---|
598 | }
|
---|
599 | }
|
---|
600 |
|
---|
601 | /**
|
---|
602 | * Draws a multipolygon area.
|
---|
603 | * @param r The multipolygon relation
|
---|
604 | * @param color The color to fill the area with.
|
---|
605 | * @param fillImage The image to fill the area with. Overrides color.
|
---|
606 | * @param extent if not null, area will be filled partially; specifies, how
|
---|
607 | * far to fill from the boundary towards the center of the area;
|
---|
608 | * if null, area will be filled completely
|
---|
609 | * @param extentThreshold if not null, determines if the partial filled should
|
---|
610 | * be replaced by plain fill, when it covers a certain fraction of the total area
|
---|
611 | * @param disabled If this should be drawn with a special disabled style.
|
---|
612 | * @param text The text to write on the area.
|
---|
613 | */
|
---|
614 | public void drawArea(Relation r, Color color, MapImage fillImage, Float extent, Float extentThreshold, boolean disabled, TextLabel text) {
|
---|
615 | Multipolygon multipolygon = MultipolygonCache.getInstance().get(nc, r);
|
---|
616 | if (!r.isDisabled() && !multipolygon.getOuterWays().isEmpty()) {
|
---|
617 | for (PolyData pd : multipolygon.getCombinedPolygons()) {
|
---|
618 | Path2D.Double p = pd.get();
|
---|
619 | Path2D.Double pfClip = null;
|
---|
620 | if (!isAreaVisible(p)) {
|
---|
621 | continue;
|
---|
622 | }
|
---|
623 | if (extent != null) {
|
---|
624 | if (!usePartialFill(pd.getAreaAndPerimeter(), extent, extentThreshold)) {
|
---|
625 | extent = null;
|
---|
626 | } else if (!pd.isClosed()) {
|
---|
627 | pfClip = getPFClip(pd, extent * scale);
|
---|
628 | }
|
---|
629 | }
|
---|
630 | drawArea(r, p,
|
---|
631 | pd.selected ? paintSettings.getRelationSelectedColor(color.getAlpha()) : color,
|
---|
632 | fillImage, extent, pfClip, disabled, text);
|
---|
633 | }
|
---|
634 | }
|
---|
635 | }
|
---|
636 |
|
---|
637 | /**
|
---|
638 | * Draws an area defined by a way. They way does not need to be closed, but it should.
|
---|
639 | * @param w The way.
|
---|
640 | * @param color The color to fill the area with.
|
---|
641 | * @param fillImage The image to fill the area with. Overrides color.
|
---|
642 | * @param extent if not null, area will be filled partially; specifies, how
|
---|
643 | * far to fill from the boundary towards the center of the area;
|
---|
644 | * if null, area will be filled completely
|
---|
645 | * @param extentThreshold if not null, determines if the partial filled should
|
---|
646 | * be replaced by plain fill, when it covers a certain fraction of the total area
|
---|
647 | * @param disabled If this should be drawn with a special disabled style.
|
---|
648 | * @param text The text to write on the area.
|
---|
649 | */
|
---|
650 | public void drawArea(Way w, Color color, MapImage fillImage, Float extent, Float extentThreshold, boolean disabled, TextLabel text) {
|
---|
651 | Path2D.Double pfClip = null;
|
---|
652 | if (extent != null) {
|
---|
653 | if (!usePartialFill(Geometry.getAreaAndPerimeter(w.getNodes()), extent, extentThreshold)) {
|
---|
654 | extent = null;
|
---|
655 | } else if (!w.isClosed()) {
|
---|
656 | pfClip = getPFClip(w, extent * scale);
|
---|
657 | }
|
---|
658 | }
|
---|
659 | drawArea(w, getPath(w), color, fillImage, extent, pfClip, disabled, text);
|
---|
660 | }
|
---|
661 |
|
---|
662 | /**
|
---|
663 | * Determine, if partial fill should be turned off for this object, because
|
---|
664 | * only a small unfilled gap in the center of the area would be left.
|
---|
665 | *
|
---|
666 | * This is used to get a cleaner look for urban regions with many small
|
---|
667 | * areas like buildings, etc.
|
---|
668 | * @param ap the area and the perimeter of the object
|
---|
669 | * @param extent the "width" of partial fill
|
---|
670 | * @param threshold when the partial fill covers that much of the total
|
---|
671 | * area, the partial fill is turned off; can be greater than 100% as the
|
---|
672 | * covered area is estimated as <code>perimeter * extent</code>
|
---|
673 | * @return true, if the partial fill should be used, false otherwise
|
---|
674 | */
|
---|
675 | private boolean usePartialFill(AreaAndPerimeter ap, float extent, Float threshold) {
|
---|
676 | if (threshold == null) return true;
|
---|
677 | return ap.getPerimeter() * extent * scale < threshold * ap.getArea();
|
---|
678 | }
|
---|
679 |
|
---|
680 | public void drawBoxText(Node n, BoxTextElement bs) {
|
---|
681 | if (!isShowNames() || bs == null)
|
---|
682 | return;
|
---|
683 |
|
---|
684 | Point p = nc.getPoint(n);
|
---|
685 | TextLabel text = bs.text;
|
---|
686 | String s = text.labelCompositionStrategy.compose(n);
|
---|
687 | if (s == null) return;
|
---|
688 |
|
---|
689 | Font defaultFont = g.getFont();
|
---|
690 | g.setFont(text.font);
|
---|
691 |
|
---|
692 | int x = p.x + text.xOffset;
|
---|
693 | int y = p.y + text.yOffset;
|
---|
694 | /**
|
---|
695 | *
|
---|
696 | * left-above __center-above___ right-above
|
---|
697 | * left-top| |right-top
|
---|
698 | * | |
|
---|
699 | * left-center| center-center |right-center
|
---|
700 | * | |
|
---|
701 | * left-bottom|_________________|right-bottom
|
---|
702 | * left-below center-below right-below
|
---|
703 | *
|
---|
704 | */
|
---|
705 | Rectangle box = bs.getBox();
|
---|
706 | if (bs.hAlign == HorizontalTextAlignment.RIGHT) {
|
---|
707 | x += box.x + box.width + 2;
|
---|
708 | } else {
|
---|
709 | FontRenderContext frc = g.getFontRenderContext();
|
---|
710 | Rectangle2D bounds = text.font.getStringBounds(s, frc);
|
---|
711 | int textWidth = (int) bounds.getWidth();
|
---|
712 | if (bs.hAlign == HorizontalTextAlignment.CENTER) {
|
---|
713 | x -= textWidth / 2;
|
---|
714 | } else if (bs.hAlign == HorizontalTextAlignment.LEFT) {
|
---|
715 | x -= -box.x + 4 + textWidth;
|
---|
716 | } else throw new AssertionError();
|
---|
717 | }
|
---|
718 |
|
---|
719 | if (bs.vAlign == VerticalTextAlignment.BOTTOM) {
|
---|
720 | y += box.y + box.height;
|
---|
721 | } else {
|
---|
722 | FontRenderContext frc = g.getFontRenderContext();
|
---|
723 | LineMetrics metrics = text.font.getLineMetrics(s, frc);
|
---|
724 | if (bs.vAlign == VerticalTextAlignment.ABOVE) {
|
---|
725 | y -= -box.y + metrics.getDescent();
|
---|
726 | } else if (bs.vAlign == VerticalTextAlignment.TOP) {
|
---|
727 | y -= -box.y - metrics.getAscent();
|
---|
728 | } else if (bs.vAlign == VerticalTextAlignment.CENTER) {
|
---|
729 | y += (metrics.getAscent() - metrics.getDescent()) / 2;
|
---|
730 | } else if (bs.vAlign == VerticalTextAlignment.BELOW) {
|
---|
731 | y += box.y + box.height + metrics.getAscent() + 2;
|
---|
732 | } else throw new AssertionError();
|
---|
733 | }
|
---|
734 | displayText(null, s, x, y, n.isDisabled(), text);
|
---|
735 | g.setFont(defaultFont);
|
---|
736 | }
|
---|
737 |
|
---|
738 | /**
|
---|
739 | * Draw an image along a way repeatedly.
|
---|
740 | *
|
---|
741 | * @param way the way
|
---|
742 | * @param pattern the image
|
---|
743 | * @param disabled If this should be drawn with a special disabled style.
|
---|
744 | * @param offset offset from the way
|
---|
745 | * @param spacing spacing between two images
|
---|
746 | * @param phase initial spacing
|
---|
747 | * @param align alignment of the image. The top, center or bottom edge can be aligned with the way.
|
---|
748 | */
|
---|
749 | public void drawRepeatImage(Way way, MapImage pattern, boolean disabled, double offset, double spacing, double phase,
|
---|
750 | LineImageAlignment align) {
|
---|
751 | final int imgWidth = pattern.getWidth();
|
---|
752 | final double repeat = imgWidth + spacing;
|
---|
753 | final int imgHeight = pattern.getHeight();
|
---|
754 |
|
---|
755 | Point lastP = null;
|
---|
756 | double currentWayLength = phase % repeat;
|
---|
757 | if (currentWayLength < 0) {
|
---|
758 | currentWayLength += repeat;
|
---|
759 | }
|
---|
760 |
|
---|
761 | int dy1, dy2;
|
---|
762 | switch (align) {
|
---|
763 | case TOP:
|
---|
764 | dy1 = 0;
|
---|
765 | dy2 = imgHeight;
|
---|
766 | break;
|
---|
767 | case CENTER:
|
---|
768 | dy1 = -imgHeight / 2;
|
---|
769 | dy2 = imgHeight + dy1;
|
---|
770 | break;
|
---|
771 | case BOTTOM:
|
---|
772 | dy1 = -imgHeight;
|
---|
773 | dy2 = 0;
|
---|
774 | break;
|
---|
775 | default:
|
---|
776 | throw new AssertionError();
|
---|
777 | }
|
---|
778 |
|
---|
779 | OffsetIterator it = new OffsetIterator(way.getNodes(), offset);
|
---|
780 | while (it.hasNext()) {
|
---|
781 | Point thisP = it.next();
|
---|
782 |
|
---|
783 | if (lastP != null) {
|
---|
784 | final double segmentLength = thisP.distance(lastP);
|
---|
785 |
|
---|
786 | final double dx = thisP.x - lastP.x;
|
---|
787 | final double dy = thisP.y - lastP.y;
|
---|
788 |
|
---|
789 | // pos is the position from the beginning of the current segment
|
---|
790 | // where an image should be painted
|
---|
791 | double pos = repeat - (currentWayLength % repeat);
|
---|
792 |
|
---|
793 | AffineTransform saveTransform = g.getTransform();
|
---|
794 | g.translate(lastP.x, lastP.y);
|
---|
795 | g.rotate(Math.atan2(dy, dx));
|
---|
796 |
|
---|
797 | // draw the rest of the image from the last segment in case it
|
---|
798 | // is cut off
|
---|
799 | if (pos > spacing) {
|
---|
800 | // segment is too short for a complete image
|
---|
801 | if (pos > segmentLength + spacing) {
|
---|
802 | g.drawImage(pattern.getImage(disabled), 0, dy1, (int) segmentLength, dy2,
|
---|
803 | (int) (repeat - pos), 0,
|
---|
804 | (int) (repeat - pos + segmentLength), imgHeight, null);
|
---|
805 | } else {
|
---|
806 | // rest of the image fits fully on the current segment
|
---|
807 | g.drawImage(pattern.getImage(disabled), 0, dy1, (int) (pos - spacing), dy2,
|
---|
808 | (int) (repeat - pos), 0, imgWidth, imgHeight, null);
|
---|
809 | }
|
---|
810 | }
|
---|
811 | // draw remaining images for this segment
|
---|
812 | while (pos < segmentLength) {
|
---|
813 | // cut off at the end?
|
---|
814 | if (pos + imgWidth > segmentLength) {
|
---|
815 | g.drawImage(pattern.getImage(disabled), (int) pos, dy1, (int) segmentLength, dy2,
|
---|
816 | 0, 0, (int) segmentLength - (int) pos, imgHeight, null);
|
---|
817 | } else {
|
---|
818 | g.drawImage(pattern.getImage(disabled), (int) pos, dy1, nc);
|
---|
819 | }
|
---|
820 | pos += repeat;
|
---|
821 | }
|
---|
822 | g.setTransform(saveTransform);
|
---|
823 |
|
---|
824 | currentWayLength += segmentLength;
|
---|
825 | }
|
---|
826 | lastP = thisP;
|
---|
827 | }
|
---|
828 | }
|
---|
829 |
|
---|
830 | @Override
|
---|
831 | public void drawNode(Node n, Color color, int size, boolean fill) {
|
---|
832 | if (size <= 0 && !n.isHighlighted())
|
---|
833 | return;
|
---|
834 |
|
---|
835 | Point p = nc.getPoint(n);
|
---|
836 |
|
---|
837 | if (n.isHighlighted()) {
|
---|
838 | drawPointHighlight(p, size);
|
---|
839 | }
|
---|
840 |
|
---|
841 | if (size > 1) {
|
---|
842 | if ((p.x < 0) || (p.y < 0) || (p.x > nc.getWidth()) || (p.y > nc.getHeight())) return;
|
---|
843 | int radius = size / 2;
|
---|
844 |
|
---|
845 | if (isInactiveMode || n.isDisabled()) {
|
---|
846 | g.setColor(inactiveColor);
|
---|
847 | } else {
|
---|
848 | g.setColor(color);
|
---|
849 | }
|
---|
850 | if (fill) {
|
---|
851 | g.fillRect(p.x-radius-1, p.y-radius-1, size + 1, size + 1);
|
---|
852 | } else {
|
---|
853 | g.drawRect(p.x-radius-1, p.y-radius-1, size, size);
|
---|
854 | }
|
---|
855 | }
|
---|
856 | }
|
---|
857 |
|
---|
858 | public void drawNodeIcon(Node n, MapImage img, boolean disabled, boolean selected, boolean member, double theta) {
|
---|
859 | Point p = nc.getPoint(n);
|
---|
860 |
|
---|
861 | final int w = img.getWidth(), h = img.getHeight();
|
---|
862 | if (n.isHighlighted()) {
|
---|
863 | drawPointHighlight(p, Math.max(w, h));
|
---|
864 | }
|
---|
865 |
|
---|
866 | float alpha = img.getAlphaFloat();
|
---|
867 |
|
---|
868 | if (!Utils.equalsEpsilon(alpha, 1f)) {
|
---|
869 | g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, alpha));
|
---|
870 | }
|
---|
871 | g.rotate(theta, p.x, p.y);
|
---|
872 | g.drawImage(img.getImage(disabled), p.x - w/2 + img.offsetX, p.y - h/2 + img.offsetY, nc);
|
---|
873 | g.rotate(-theta, p.x, p.y);
|
---|
874 | g.setPaintMode();
|
---|
875 | if (selected || member) {
|
---|
876 | Color color;
|
---|
877 | if (disabled) {
|
---|
878 | color = inactiveColor;
|
---|
879 | } else if (selected) {
|
---|
880 | color = selectedColor;
|
---|
881 | } else {
|
---|
882 | color = relationSelectedColor;
|
---|
883 | }
|
---|
884 | g.setColor(color);
|
---|
885 | g.drawRect(p.x - w/2 + img.offsetX - 2, p.y - h/2 + img.offsetY - 2, w + 4, h + 4);
|
---|
886 | }
|
---|
887 | }
|
---|
888 |
|
---|
889 | public void drawNodeSymbol(Node n, Symbol s, Color fillColor, Color strokeColor) {
|
---|
890 | Point p = nc.getPoint(n);
|
---|
891 | int radius = s.size / 2;
|
---|
892 |
|
---|
893 | if (n.isHighlighted()) {
|
---|
894 | drawPointHighlight(p, s.size);
|
---|
895 | }
|
---|
896 |
|
---|
897 | if (fillColor != null) {
|
---|
898 | g.setColor(fillColor);
|
---|
899 | switch (s.symbol) {
|
---|
900 | case SQUARE:
|
---|
901 | g.fillRect(p.x - radius, p.y - radius, s.size, s.size);
|
---|
902 | break;
|
---|
903 | case CIRCLE:
|
---|
904 | g.fillOval(p.x - radius, p.y - radius, s.size, s.size);
|
---|
905 | break;
|
---|
906 | case TRIANGLE:
|
---|
907 | g.fillPolygon(buildPolygon(p, radius, 3, Math.PI / 2));
|
---|
908 | break;
|
---|
909 | case PENTAGON:
|
---|
910 | g.fillPolygon(buildPolygon(p, radius, 5, Math.PI / 2));
|
---|
911 | break;
|
---|
912 | case HEXAGON:
|
---|
913 | g.fillPolygon(buildPolygon(p, radius, 6));
|
---|
914 | break;
|
---|
915 | case HEPTAGON:
|
---|
916 | g.fillPolygon(buildPolygon(p, radius, 7, Math.PI / 2));
|
---|
917 | break;
|
---|
918 | case OCTAGON:
|
---|
919 | g.fillPolygon(buildPolygon(p, radius, 8, Math.PI / 8));
|
---|
920 | break;
|
---|
921 | case NONAGON:
|
---|
922 | g.fillPolygon(buildPolygon(p, radius, 9, Math.PI / 2));
|
---|
923 | break;
|
---|
924 | case DECAGON:
|
---|
925 | g.fillPolygon(buildPolygon(p, radius, 10));
|
---|
926 | break;
|
---|
927 | default:
|
---|
928 | throw new AssertionError();
|
---|
929 | }
|
---|
930 | }
|
---|
931 | if (s.stroke != null) {
|
---|
932 | g.setStroke(s.stroke);
|
---|
933 | g.setColor(strokeColor);
|
---|
934 | switch (s.symbol) {
|
---|
935 | case SQUARE:
|
---|
936 | g.drawRect(p.x - radius, p.y - radius, s.size - 1, s.size - 1);
|
---|
937 | break;
|
---|
938 | case CIRCLE:
|
---|
939 | g.drawOval(p.x - radius, p.y - radius, s.size - 1, s.size - 1);
|
---|
940 | break;
|
---|
941 | case TRIANGLE:
|
---|
942 | g.drawPolygon(buildPolygon(p, radius, 3, Math.PI / 2));
|
---|
943 | break;
|
---|
944 | case PENTAGON:
|
---|
945 | g.drawPolygon(buildPolygon(p, radius, 5, Math.PI / 2));
|
---|
946 | break;
|
---|
947 | case HEXAGON:
|
---|
948 | g.drawPolygon(buildPolygon(p, radius, 6));
|
---|
949 | break;
|
---|
950 | case HEPTAGON:
|
---|
951 | g.drawPolygon(buildPolygon(p, radius, 7, Math.PI / 2));
|
---|
952 | break;
|
---|
953 | case OCTAGON:
|
---|
954 | g.drawPolygon(buildPolygon(p, radius, 8, Math.PI / 8));
|
---|
955 | break;
|
---|
956 | case NONAGON:
|
---|
957 | g.drawPolygon(buildPolygon(p, radius, 9, Math.PI / 2));
|
---|
958 | break;
|
---|
959 | case DECAGON:
|
---|
960 | g.drawPolygon(buildPolygon(p, radius, 10));
|
---|
961 | break;
|
---|
962 | default:
|
---|
963 | throw new AssertionError();
|
---|
964 | }
|
---|
965 | g.setStroke(new BasicStroke());
|
---|
966 | }
|
---|
967 | }
|
---|
968 |
|
---|
969 | /**
|
---|
970 | * Draw a number of the order of the two consecutive nodes within the
|
---|
971 | * parents way
|
---|
972 | *
|
---|
973 | * @param n1 First node of the way segment.
|
---|
974 | * @param n2 Second node of the way segment.
|
---|
975 | * @param orderNumber The number of the segment in the way.
|
---|
976 | * @param clr The color to use for drawing the text.
|
---|
977 | */
|
---|
978 | public void drawOrderNumber(Node n1, Node n2, int orderNumber, Color clr) {
|
---|
979 | Point p1 = nc.getPoint(n1);
|
---|
980 | Point p2 = nc.getPoint(n2);
|
---|
981 | drawOrderNumber(p1, p2, orderNumber, clr);
|
---|
982 | }
|
---|
983 |
|
---|
984 | /**
|
---|
985 | * highlights a given GeneralPath using the settings from BasicStroke to match the line's
|
---|
986 | * style. Width of the highlight is hard coded.
|
---|
987 | * @param path path to draw
|
---|
988 | * @param line line style
|
---|
989 | */
|
---|
990 | private void drawPathHighlight(GeneralPath path, BasicStroke line) {
|
---|
991 | if (path == null)
|
---|
992 | return;
|
---|
993 | g.setColor(highlightColorTransparent);
|
---|
994 | float w = line.getLineWidth() + highlightLineWidth;
|
---|
995 | if (useWiderHighlight) w += widerHighlight;
|
---|
996 | while (w >= line.getLineWidth()) {
|
---|
997 | g.setStroke(new BasicStroke(w, line.getEndCap(), line.getLineJoin(), line.getMiterLimit()));
|
---|
998 | g.draw(path);
|
---|
999 | w -= highlightStep;
|
---|
1000 | }
|
---|
1001 | }
|
---|
1002 |
|
---|
1003 | /**
|
---|
1004 | * highlights a given point by drawing a rounded rectangle around it. Give the
|
---|
1005 | * size of the object you want to be highlighted, width is added automatically.
|
---|
1006 | * @param p point
|
---|
1007 | * @param size highlight size
|
---|
1008 | */
|
---|
1009 | private void drawPointHighlight(Point p, int size) {
|
---|
1010 | g.setColor(highlightColorTransparent);
|
---|
1011 | int s = size + highlightPointRadius;
|
---|
1012 | if (useWiderHighlight) s += widerHighlight;
|
---|
1013 | while (s >= size) {
|
---|
1014 | int r = (int) Math.floor(s/2d);
|
---|
1015 | g.fillRoundRect(p.x-r, p.y-r, s, s, r, r);
|
---|
1016 | s -= highlightStep;
|
---|
1017 | }
|
---|
1018 | }
|
---|
1019 |
|
---|
1020 | public void drawRestriction(Image img, Point pVia, double vx, double vx2, double vy, double vy2, double angle, boolean selected) {
|
---|
1021 | // rotate image with direction last node in from to, and scale down image to 16*16 pixels
|
---|
1022 | Image smallImg = ImageProvider.createRotatedImage(img, angle, new Dimension(16, 16));
|
---|
1023 | int w = smallImg.getWidth(null), h = smallImg.getHeight(null);
|
---|
1024 | g.drawImage(smallImg, (int) (pVia.x+vx+vx2)-w/2, (int) (pVia.y+vy+vy2)-h/2, nc);
|
---|
1025 |
|
---|
1026 | if (selected) {
|
---|
1027 | g.setColor(isInactiveMode ? inactiveColor : relationSelectedColor);
|
---|
1028 | g.drawRect((int) (pVia.x+vx+vx2)-w/2-2, (int) (pVia.y+vy+vy2)-h/2-2, w+4, h+4);
|
---|
1029 | }
|
---|
1030 | }
|
---|
1031 |
|
---|
1032 | public void drawRestriction(Relation r, MapImage icon, boolean disabled) {
|
---|
1033 | Way fromWay = null;
|
---|
1034 | Way toWay = null;
|
---|
1035 | OsmPrimitive via = null;
|
---|
1036 |
|
---|
1037 | /* find the "from", "via" and "to" elements */
|
---|
1038 | for (RelationMember m : r.getMembers()) {
|
---|
1039 | if (m.getMember().isIncomplete())
|
---|
1040 | return;
|
---|
1041 | else {
|
---|
1042 | if (m.isWay()) {
|
---|
1043 | Way w = m.getWay();
|
---|
1044 | if (w.getNodesCount() < 2) {
|
---|
1045 | continue;
|
---|
1046 | }
|
---|
1047 |
|
---|
1048 | switch(m.getRole()) {
|
---|
1049 | case "from":
|
---|
1050 | if (fromWay == null) {
|
---|
1051 | fromWay = w;
|
---|
1052 | }
|
---|
1053 | break;
|
---|
1054 | case "to":
|
---|
1055 | if (toWay == null) {
|
---|
1056 | toWay = w;
|
---|
1057 | }
|
---|
1058 | break;
|
---|
1059 | case "via":
|
---|
1060 | if (via == null) {
|
---|
1061 | via = w;
|
---|
1062 | }
|
---|
1063 | }
|
---|
1064 | } else if (m.isNode()) {
|
---|
1065 | Node n = m.getNode();
|
---|
1066 | if ("via".equals(m.getRole()) && via == null) {
|
---|
1067 | via = n;
|
---|
1068 | }
|
---|
1069 | }
|
---|
1070 | }
|
---|
1071 | }
|
---|
1072 |
|
---|
1073 | if (fromWay == null || toWay == null || via == null)
|
---|
1074 | return;
|
---|
1075 |
|
---|
1076 | Node viaNode;
|
---|
1077 | if (via instanceof Node) {
|
---|
1078 | viaNode = (Node) via;
|
---|
1079 | if (!fromWay.isFirstLastNode(viaNode))
|
---|
1080 | return;
|
---|
1081 | } else {
|
---|
1082 | Way viaWay = (Way) via;
|
---|
1083 | Node firstNode = viaWay.firstNode();
|
---|
1084 | Node lastNode = viaWay.lastNode();
|
---|
1085 | Boolean onewayvia = Boolean.FALSE;
|
---|
1086 |
|
---|
1087 | String onewayviastr = viaWay.get("oneway");
|
---|
1088 | if (onewayviastr != null) {
|
---|
1089 | if ("-1".equals(onewayviastr)) {
|
---|
1090 | onewayvia = Boolean.TRUE;
|
---|
1091 | Node tmp = firstNode;
|
---|
1092 | firstNode = lastNode;
|
---|
1093 | lastNode = tmp;
|
---|
1094 | } else {
|
---|
1095 | onewayvia = OsmUtils.getOsmBoolean(onewayviastr);
|
---|
1096 | if (onewayvia == null) {
|
---|
1097 | onewayvia = Boolean.FALSE;
|
---|
1098 | }
|
---|
1099 | }
|
---|
1100 | }
|
---|
1101 |
|
---|
1102 | if (fromWay.isFirstLastNode(firstNode)) {
|
---|
1103 | viaNode = firstNode;
|
---|
1104 | } else if (!onewayvia && fromWay.isFirstLastNode(lastNode)) {
|
---|
1105 | viaNode = lastNode;
|
---|
1106 | } else
|
---|
1107 | return;
|
---|
1108 | }
|
---|
1109 |
|
---|
1110 | /* find the "direct" nodes before the via node */
|
---|
1111 | Node fromNode;
|
---|
1112 | if (fromWay.firstNode() == via) {
|
---|
1113 | fromNode = fromWay.getNode(1);
|
---|
1114 | } else {
|
---|
1115 | fromNode = fromWay.getNode(fromWay.getNodesCount()-2);
|
---|
1116 | }
|
---|
1117 |
|
---|
1118 | Point pFrom = nc.getPoint(fromNode);
|
---|
1119 | Point pVia = nc.getPoint(viaNode);
|
---|
1120 |
|
---|
1121 | /* starting from via, go back the "from" way a few pixels
|
---|
1122 | (calculate the vector vx/vy with the specified length and the direction
|
---|
1123 | away from the "via" node along the first segment of the "from" way)
|
---|
1124 | */
|
---|
1125 | double distanceFromVia = 14;
|
---|
1126 | double dx = pFrom.x >= pVia.x ? pFrom.x - pVia.x : pVia.x - pFrom.x;
|
---|
1127 | double dy = pFrom.y >= pVia.y ? pFrom.y - pVia.y : pVia.y - pFrom.y;
|
---|
1128 |
|
---|
1129 | double fromAngle;
|
---|
1130 | if (dx == 0) {
|
---|
1131 | fromAngle = Math.PI/2;
|
---|
1132 | } else {
|
---|
1133 | fromAngle = Math.atan(dy / dx);
|
---|
1134 | }
|
---|
1135 | double fromAngleDeg = Math.toDegrees(fromAngle);
|
---|
1136 |
|
---|
1137 | double vx = distanceFromVia * Math.cos(fromAngle);
|
---|
1138 | double vy = distanceFromVia * Math.sin(fromAngle);
|
---|
1139 |
|
---|
1140 | if (pFrom.x < pVia.x) {
|
---|
1141 | vx = -vx;
|
---|
1142 | }
|
---|
1143 | if (pFrom.y < pVia.y) {
|
---|
1144 | vy = -vy;
|
---|
1145 | }
|
---|
1146 |
|
---|
1147 | /* go a few pixels away from the way (in a right angle)
|
---|
1148 | (calculate the vx2/vy2 vector with the specified length and the direction
|
---|
1149 | 90degrees away from the first segment of the "from" way)
|
---|
1150 | */
|
---|
1151 | double distanceFromWay = 10;
|
---|
1152 | double vx2 = 0;
|
---|
1153 | double vy2 = 0;
|
---|
1154 | double iconAngle = 0;
|
---|
1155 |
|
---|
1156 | if (pFrom.x >= pVia.x && pFrom.y >= pVia.y) {
|
---|
1157 | if (!leftHandTraffic) {
|
---|
1158 | vx2 = distanceFromWay * Math.cos(Math.toRadians(fromAngleDeg - 90));
|
---|
1159 | vy2 = distanceFromWay * Math.sin(Math.toRadians(fromAngleDeg - 90));
|
---|
1160 | } else {
|
---|
1161 | vx2 = distanceFromWay * Math.cos(Math.toRadians(fromAngleDeg + 90));
|
---|
1162 | vy2 = distanceFromWay * Math.sin(Math.toRadians(fromAngleDeg + 90));
|
---|
1163 | }
|
---|
1164 | iconAngle = 270+fromAngleDeg;
|
---|
1165 | }
|
---|
1166 | if (pFrom.x < pVia.x && pFrom.y >= pVia.y) {
|
---|
1167 | if (!leftHandTraffic) {
|
---|
1168 | vx2 = distanceFromWay * Math.sin(Math.toRadians(fromAngleDeg));
|
---|
1169 | vy2 = distanceFromWay * Math.cos(Math.toRadians(fromAngleDeg));
|
---|
1170 | } else {
|
---|
1171 | vx2 = distanceFromWay * Math.sin(Math.toRadians(fromAngleDeg + 180));
|
---|
1172 | vy2 = distanceFromWay * Math.cos(Math.toRadians(fromAngleDeg + 180));
|
---|
1173 | }
|
---|
1174 | iconAngle = 90-fromAngleDeg;
|
---|
1175 | }
|
---|
1176 | if (pFrom.x < pVia.x && pFrom.y < pVia.y) {
|
---|
1177 | if (!leftHandTraffic) {
|
---|
1178 | vx2 = distanceFromWay * Math.cos(Math.toRadians(fromAngleDeg + 90));
|
---|
1179 | vy2 = distanceFromWay * Math.sin(Math.toRadians(fromAngleDeg + 90));
|
---|
1180 | } else {
|
---|
1181 | vx2 = distanceFromWay * Math.cos(Math.toRadians(fromAngleDeg - 90));
|
---|
1182 | vy2 = distanceFromWay * Math.sin(Math.toRadians(fromAngleDeg - 90));
|
---|
1183 | }
|
---|
1184 | iconAngle = 90+fromAngleDeg;
|
---|
1185 | }
|
---|
1186 | if (pFrom.x >= pVia.x && pFrom.y < pVia.y) {
|
---|
1187 | if (!leftHandTraffic) {
|
---|
1188 | vx2 = distanceFromWay * Math.sin(Math.toRadians(fromAngleDeg + 180));
|
---|
1189 | vy2 = distanceFromWay * Math.cos(Math.toRadians(fromAngleDeg + 180));
|
---|
1190 | } else {
|
---|
1191 | vx2 = distanceFromWay * Math.sin(Math.toRadians(fromAngleDeg));
|
---|
1192 | vy2 = distanceFromWay * Math.cos(Math.toRadians(fromAngleDeg));
|
---|
1193 | }
|
---|
1194 | iconAngle = 270-fromAngleDeg;
|
---|
1195 | }
|
---|
1196 |
|
---|
1197 | drawRestriction(icon.getImage(disabled),
|
---|
1198 | pVia, vx, vx2, vy, vy2, iconAngle, r.isSelected());
|
---|
1199 | }
|
---|
1200 |
|
---|
1201 | /**
|
---|
1202 | * Draws a text along a given way.
|
---|
1203 | * @param way The way to draw the text on.
|
---|
1204 | * @param text The text definition (font/.../text content) to draw.
|
---|
1205 | */
|
---|
1206 | public void drawTextOnPath(Way way, TextLabel text) {
|
---|
1207 | if (way == null || text == null)
|
---|
1208 | return;
|
---|
1209 | String name = text.getString(way);
|
---|
1210 | if (name == null || name.isEmpty())
|
---|
1211 | return;
|
---|
1212 |
|
---|
1213 | FontMetrics fontMetrics = g.getFontMetrics(text.font);
|
---|
1214 | Rectangle2D rec = fontMetrics.getStringBounds(name, g);
|
---|
1215 |
|
---|
1216 | Rectangle bounds = g.getClipBounds();
|
---|
1217 |
|
---|
1218 | Polygon poly = new Polygon();
|
---|
1219 | Point lastPoint = null;
|
---|
1220 | Iterator<Node> it = way.getNodes().iterator();
|
---|
1221 | double pathLength = 0;
|
---|
1222 | long dx, dy;
|
---|
1223 |
|
---|
1224 | // find half segments that are long enough to draw text on (don't draw text over the cross hair in the center of each segment)
|
---|
1225 | List<Double> longHalfSegmentStart = new ArrayList<>(); // start point of half segment (as length along the way)
|
---|
1226 | List<Double> longHalfSegmentEnd = new ArrayList<>(); // end point of half segment (as length along the way)
|
---|
1227 | List<Double> longHalfsegmentQuality = new ArrayList<>(); // quality factor (off screen / partly on screen / fully on screen)
|
---|
1228 |
|
---|
1229 | while (it.hasNext()) {
|
---|
1230 | Node n = it.next();
|
---|
1231 | Point p = nc.getPoint(n);
|
---|
1232 | poly.addPoint(p.x, p.y);
|
---|
1233 |
|
---|
1234 | if (lastPoint != null) {
|
---|
1235 | dx = p.x - lastPoint.x;
|
---|
1236 | dy = p.y - lastPoint.y;
|
---|
1237 | double segmentLength = Math.sqrt(dx*dx + dy*dy);
|
---|
1238 | if (segmentLength > 2*(rec.getWidth()+4)) {
|
---|
1239 | Point center = new Point((lastPoint.x + p.x)/2, (lastPoint.y + p.y)/2);
|
---|
1240 | double q = 0;
|
---|
1241 | if (bounds != null) {
|
---|
1242 | if (bounds.contains(lastPoint) && bounds.contains(center)) {
|
---|
1243 | q = 2;
|
---|
1244 | } else if (bounds.contains(lastPoint) || bounds.contains(center)) {
|
---|
1245 | q = 1;
|
---|
1246 | }
|
---|
1247 | }
|
---|
1248 | longHalfSegmentStart.add(pathLength);
|
---|
1249 | longHalfSegmentEnd.add(pathLength + segmentLength / 2);
|
---|
1250 | longHalfsegmentQuality.add(q);
|
---|
1251 |
|
---|
1252 | q = 0;
|
---|
1253 | if (bounds != null) {
|
---|
1254 | if (bounds.contains(center) && bounds.contains(p)) {
|
---|
1255 | q = 2;
|
---|
1256 | } else if (bounds.contains(center) || bounds.contains(p)) {
|
---|
1257 | q = 1;
|
---|
1258 | }
|
---|
1259 | }
|
---|
1260 | longHalfSegmentStart.add(pathLength + segmentLength / 2);
|
---|
1261 | longHalfSegmentEnd.add(pathLength + segmentLength);
|
---|
1262 | longHalfsegmentQuality.add(q);
|
---|
1263 | }
|
---|
1264 | pathLength += segmentLength;
|
---|
1265 | }
|
---|
1266 | lastPoint = p;
|
---|
1267 | }
|
---|
1268 |
|
---|
1269 | if (rec.getWidth() > pathLength)
|
---|
1270 | return;
|
---|
1271 |
|
---|
1272 | double t1, t2;
|
---|
1273 |
|
---|
1274 | if (!longHalfSegmentStart.isEmpty()) {
|
---|
1275 | if (way.getNodesCount() == 2) {
|
---|
1276 | // For 2 node ways, the two half segments are exactly the same size and distance from the center.
|
---|
1277 | // Prefer the first one for consistency.
|
---|
1278 | longHalfsegmentQuality.set(0, longHalfsegmentQuality.get(0) + 0.5);
|
---|
1279 | }
|
---|
1280 |
|
---|
1281 | // find the long half segment that is closest to the center of the way
|
---|
1282 | // candidates with higher quality value are preferred
|
---|
1283 | double bestStart = Double.NaN;
|
---|
1284 | double bestEnd = Double.NaN;
|
---|
1285 | double bestDistanceToCenter = Double.MAX_VALUE;
|
---|
1286 | double bestQuality = -1;
|
---|
1287 | for (int i = 0; i < longHalfSegmentStart.size(); i++) {
|
---|
1288 | double start = longHalfSegmentStart.get(i);
|
---|
1289 | double end = longHalfSegmentEnd.get(i);
|
---|
1290 | double dist = Math.abs(0.5 * (end + start) - 0.5 * pathLength);
|
---|
1291 | if (longHalfsegmentQuality.get(i) > bestQuality
|
---|
1292 | || (dist < bestDistanceToCenter && Utils.equalsEpsilon(longHalfsegmentQuality.get(i), bestQuality))) {
|
---|
1293 | bestStart = start;
|
---|
1294 | bestEnd = end;
|
---|
1295 | bestDistanceToCenter = dist;
|
---|
1296 | bestQuality = longHalfsegmentQuality.get(i);
|
---|
1297 | }
|
---|
1298 | }
|
---|
1299 | double remaining = bestEnd - bestStart - rec.getWidth(); // total space left and right from the text
|
---|
1300 | // The space left and right of the text should be distributed 20% - 80% (towards the center),
|
---|
1301 | // but the smaller space should not be less than 7 px.
|
---|
1302 | // However, if the total remaining space is less than 14 px, then distribute it evenly.
|
---|
1303 | double smallerSpace = Math.min(Math.max(0.2 * remaining, 7), 0.5 * remaining);
|
---|
1304 | if ((bestEnd + bestStart)/2 < pathLength/2) {
|
---|
1305 | t2 = bestEnd - smallerSpace;
|
---|
1306 | t1 = t2 - rec.getWidth();
|
---|
1307 | } else {
|
---|
1308 | t1 = bestStart + smallerSpace;
|
---|
1309 | t2 = t1 + rec.getWidth();
|
---|
1310 | }
|
---|
1311 | } else {
|
---|
1312 | // doesn't fit into one half-segment -> just put it in the center of the way
|
---|
1313 | t1 = pathLength/2 - rec.getWidth()/2;
|
---|
1314 | t2 = pathLength/2 + rec.getWidth()/2;
|
---|
1315 | }
|
---|
1316 | t1 /= pathLength;
|
---|
1317 | t2 /= pathLength;
|
---|
1318 |
|
---|
1319 | double[] p1 = pointAt(t1, poly, pathLength);
|
---|
1320 | double[] p2 = pointAt(t2, poly, pathLength);
|
---|
1321 |
|
---|
1322 | if (p1 == null || p2 == null)
|
---|
1323 | return;
|
---|
1324 |
|
---|
1325 | double angleOffset;
|
---|
1326 | double offsetSign;
|
---|
1327 | double tStart;
|
---|
1328 |
|
---|
1329 | if (p1[0] < p2[0] &&
|
---|
1330 | p1[2] < Math.PI/2 &&
|
---|
1331 | p1[2] > -Math.PI/2) {
|
---|
1332 | angleOffset = 0;
|
---|
1333 | offsetSign = 1;
|
---|
1334 | tStart = t1;
|
---|
1335 | } else {
|
---|
1336 | angleOffset = Math.PI;
|
---|
1337 | offsetSign = -1;
|
---|
1338 | tStart = t2;
|
---|
1339 | }
|
---|
1340 |
|
---|
1341 | List<GlyphVector> gvs = Utils.getGlyphVectorsBidi(name, text.font, g.getFontRenderContext());
|
---|
1342 | double gvOffset = 0;
|
---|
1343 | for (GlyphVector gv : gvs) {
|
---|
1344 | double gvWidth = gv.getLogicalBounds().getBounds2D().getWidth();
|
---|
1345 | for (int i = 0; i < gv.getNumGlyphs(); ++i) {
|
---|
1346 | Rectangle2D rect = gv.getGlyphLogicalBounds(i).getBounds2D();
|
---|
1347 | double t = tStart + offsetSign * (gvOffset + rect.getX() + rect.getWidth()/2) / pathLength;
|
---|
1348 | double[] p = pointAt(t, poly, pathLength);
|
---|
1349 | if (p != null) {
|
---|
1350 | AffineTransform trfm = AffineTransform.getTranslateInstance(p[0] - rect.getX(), p[1]);
|
---|
1351 | trfm.rotate(p[2]+angleOffset);
|
---|
1352 | double off = -rect.getY() - rect.getHeight()/2 + text.yOffset;
|
---|
1353 | trfm.translate(-rect.getWidth()/2, off);
|
---|
1354 | if (isGlyphVectorDoubleTranslationBug(text.font)) {
|
---|
1355 | // scale the translation components by one half
|
---|
1356 | AffineTransform tmp = AffineTransform.getTranslateInstance(-0.5 * trfm.getTranslateX(), -0.5 * trfm.getTranslateY());
|
---|
1357 | tmp.concatenate(trfm);
|
---|
1358 | trfm = tmp;
|
---|
1359 | }
|
---|
1360 | gv.setGlyphTransform(i, trfm);
|
---|
1361 | }
|
---|
1362 | }
|
---|
1363 | displayText(gv, null, 0, 0, way.isDisabled(), text);
|
---|
1364 | gvOffset += gvWidth;
|
---|
1365 | }
|
---|
1366 | }
|
---|
1367 |
|
---|
1368 | /**
|
---|
1369 | * draw way. This method allows for two draw styles (line using color, dashes using dashedColor) to be passed.
|
---|
1370 | * @param way The way to draw
|
---|
1371 | * @param color The base color to draw the way in
|
---|
1372 | * @param line The line style to use. This is drawn using color.
|
---|
1373 | * @param dashes The dash style to use. This is drawn using dashedColor. <code>null</code> if unused.
|
---|
1374 | * @param dashedColor The color of the dashes.
|
---|
1375 | * @param offset The offset
|
---|
1376 | * @param showOrientation show arrows that indicate the technical orientation of
|
---|
1377 | * the way (defined by order of nodes)
|
---|
1378 | * @param showHeadArrowOnly True if only the arrow at the end of the line but not those on the segments should be displayed.
|
---|
1379 | * @param showOneway show symbols that indicate the direction of the feature,
|
---|
1380 | * e.g. oneway street or waterway
|
---|
1381 | * @param onewayReversed for oneway=-1 and similar
|
---|
1382 | */
|
---|
1383 | public void drawWay(Way way, Color color, BasicStroke line, BasicStroke dashes, Color dashedColor, float offset,
|
---|
1384 | boolean showOrientation, boolean showHeadArrowOnly,
|
---|
1385 | boolean showOneway, boolean onewayReversed) {
|
---|
1386 |
|
---|
1387 | GeneralPath path = new GeneralPath();
|
---|
1388 | GeneralPath orientationArrows = showOrientation ? new GeneralPath() : null;
|
---|
1389 | GeneralPath onewayArrows = showOneway ? new GeneralPath() : null;
|
---|
1390 | GeneralPath onewayArrowsCasing = showOneway ? new GeneralPath() : null;
|
---|
1391 | Rectangle bounds = g.getClipBounds();
|
---|
1392 | if (bounds != null) {
|
---|
1393 | // avoid arrow heads at the border
|
---|
1394 | bounds.grow(100, 100);
|
---|
1395 | }
|
---|
1396 |
|
---|
1397 | double wayLength = 0;
|
---|
1398 | Point lastPoint = null;
|
---|
1399 | boolean initialMoveToNeeded = true;
|
---|
1400 | List<Node> wayNodes = way.getNodes();
|
---|
1401 | if (wayNodes.size() < 2) return;
|
---|
1402 |
|
---|
1403 | // only highlight the segment if the way itself is not highlighted
|
---|
1404 | if (!way.isHighlighted() && highlightWaySegments != null) {
|
---|
1405 | GeneralPath highlightSegs = null;
|
---|
1406 | for (WaySegment ws : highlightWaySegments) {
|
---|
1407 | if (ws.way != way || ws.lowerIndex < offset) {
|
---|
1408 | continue;
|
---|
1409 | }
|
---|
1410 | if (highlightSegs == null) {
|
---|
1411 | highlightSegs = new GeneralPath();
|
---|
1412 | }
|
---|
1413 |
|
---|
1414 | Point p1 = nc.getPoint(ws.getFirstNode());
|
---|
1415 | Point p2 = nc.getPoint(ws.getSecondNode());
|
---|
1416 | highlightSegs.moveTo(p1.x, p1.y);
|
---|
1417 | highlightSegs.lineTo(p2.x, p2.y);
|
---|
1418 | }
|
---|
1419 |
|
---|
1420 | drawPathHighlight(highlightSegs, line);
|
---|
1421 | }
|
---|
1422 |
|
---|
1423 | Iterator<Point> it = new OffsetIterator(wayNodes, offset);
|
---|
1424 | while (it.hasNext()) {
|
---|
1425 | Point p = it.next();
|
---|
1426 | if (lastPoint != null) {
|
---|
1427 | Point p1 = lastPoint;
|
---|
1428 | Point p2 = p;
|
---|
1429 |
|
---|
1430 | /**
|
---|
1431 | * Do custom clipping to work around openjdk bug. It leads to
|
---|
1432 | * drawing artefacts when zooming in a lot. (#4289, #4424)
|
---|
1433 | * (Looks like int overflow.)
|
---|
1434 | */
|
---|
1435 | LineClip clip = new LineClip(p1, p2, bounds);
|
---|
1436 | if (clip.execute()) {
|
---|
1437 | if (!p1.equals(clip.getP1())) {
|
---|
1438 | p1 = clip.getP1();
|
---|
1439 | path.moveTo(p1.x, p1.y);
|
---|
1440 | } else if (initialMoveToNeeded) {
|
---|
1441 | initialMoveToNeeded = false;
|
---|
1442 | path.moveTo(p1.x, p1.y);
|
---|
1443 | }
|
---|
1444 | p2 = clip.getP2();
|
---|
1445 | path.lineTo(p2.x, p2.y);
|
---|
1446 |
|
---|
1447 | /* draw arrow */
|
---|
1448 | if (showHeadArrowOnly ? !it.hasNext() : showOrientation) {
|
---|
1449 | final double segmentLength = p1.distance(p2);
|
---|
1450 | if (segmentLength != 0) {
|
---|
1451 | final double l = (10. + line.getLineWidth()) / segmentLength;
|
---|
1452 |
|
---|
1453 | final double sx = l * (p1.x - p2.x);
|
---|
1454 | final double sy = l * (p1.y - p2.y);
|
---|
1455 |
|
---|
1456 | orientationArrows.moveTo(p2.x + cosPHI * sx - sinPHI * sy, p2.y + sinPHI * sx + cosPHI * sy);
|
---|
1457 | orientationArrows.lineTo(p2.x, p2.y);
|
---|
1458 | orientationArrows.lineTo(p2.x + cosPHI * sx + sinPHI * sy, p2.y - sinPHI * sx + cosPHI * sy);
|
---|
1459 | }
|
---|
1460 | }
|
---|
1461 | if (showOneway) {
|
---|
1462 | final double segmentLength = p1.distance(p2);
|
---|
1463 | if (segmentLength != 0) {
|
---|
1464 | final double nx = (p2.x - p1.x) / segmentLength;
|
---|
1465 | final double ny = (p2.y - p1.y) / segmentLength;
|
---|
1466 |
|
---|
1467 | final double interval = 60;
|
---|
1468 | // distance from p1
|
---|
1469 | double dist = interval - (wayLength % interval);
|
---|
1470 |
|
---|
1471 | while (dist < segmentLength) {
|
---|
1472 | for (int i = 0; i < 2; ++i) {
|
---|
1473 | float onewaySize = i == 0 ? 3f : 2f;
|
---|
1474 | GeneralPath onewayPath = i == 0 ? onewayArrowsCasing : onewayArrows;
|
---|
1475 |
|
---|
1476 | // scale such that border is 1 px
|
---|
1477 | final double fac = -(onewayReversed ? -1 : 1) * onewaySize * (1 + sinPHI) / (sinPHI * cosPHI);
|
---|
1478 | final double sx = nx * fac;
|
---|
1479 | final double sy = ny * fac;
|
---|
1480 |
|
---|
1481 | // Attach the triangle at the incenter and not at the tip.
|
---|
1482 | // Makes the border even at all sides.
|
---|
1483 | final double x = p1.x + nx * (dist + (onewayReversed ? -1 : 1) * (onewaySize / sinPHI));
|
---|
1484 | final double y = p1.y + ny * (dist + (onewayReversed ? -1 : 1) * (onewaySize / sinPHI));
|
---|
1485 |
|
---|
1486 | onewayPath.moveTo(x, y);
|
---|
1487 | onewayPath.lineTo(x + cosPHI * sx - sinPHI * sy, y + sinPHI * sx + cosPHI * sy);
|
---|
1488 | onewayPath.lineTo(x + cosPHI * sx + sinPHI * sy, y - sinPHI * sx + cosPHI * sy);
|
---|
1489 | onewayPath.lineTo(x, y);
|
---|
1490 | }
|
---|
1491 | dist += interval;
|
---|
1492 | }
|
---|
1493 | }
|
---|
1494 | wayLength += segmentLength;
|
---|
1495 | }
|
---|
1496 | }
|
---|
1497 | }
|
---|
1498 | lastPoint = p;
|
---|
1499 | }
|
---|
1500 | if (way.isHighlighted()) {
|
---|
1501 | drawPathHighlight(path, line);
|
---|
1502 | }
|
---|
1503 | displaySegments(path, orientationArrows, onewayArrows, onewayArrowsCasing, color, line, dashes, dashedColor);
|
---|
1504 | }
|
---|
1505 |
|
---|
1506 | /**
|
---|
1507 | * Gets the "circum". This is the distance on the map in meters that 100 screen pixels represent.
|
---|
1508 | * @return The "circum"
|
---|
1509 | */
|
---|
1510 | public double getCircum() {
|
---|
1511 | return circum;
|
---|
1512 | }
|
---|
1513 |
|
---|
1514 | @Override
|
---|
1515 | public void getColors() {
|
---|
1516 | super.getColors();
|
---|
1517 | this.highlightColorTransparent = new Color(highlightColor.getRed(), highlightColor.getGreen(), highlightColor.getBlue(), 100);
|
---|
1518 | this.backgroundColor = PaintColors.getBackgroundColor();
|
---|
1519 | }
|
---|
1520 |
|
---|
1521 | @Override
|
---|
1522 | public void getSettings(boolean virtual) {
|
---|
1523 | super.getSettings(virtual);
|
---|
1524 | paintSettings = MapPaintSettings.INSTANCE;
|
---|
1525 |
|
---|
1526 | circum = nc.getDist100Pixel();
|
---|
1527 | scale = nc.getScale();
|
---|
1528 |
|
---|
1529 | leftHandTraffic = Main.pref.getBoolean("mappaint.lefthandtraffic", false);
|
---|
1530 |
|
---|
1531 | useStrokes = paintSettings.getUseStrokesDistance() > circum;
|
---|
1532 | showNames = paintSettings.getShowNamesDistance() > circum;
|
---|
1533 | showIcons = paintSettings.getShowIconsDistance() > circum;
|
---|
1534 | isOutlineOnly = paintSettings.isOutlineOnly();
|
---|
1535 | orderFont = new Font(Main.pref.get("mappaint.font", "Droid Sans"), Font.PLAIN, Main.pref.getInteger("mappaint.fontsize", 8));
|
---|
1536 |
|
---|
1537 | antialiasing = Main.pref.getBoolean("mappaint.use-antialiasing", true) ?
|
---|
1538 | RenderingHints.VALUE_ANTIALIAS_ON : RenderingHints.VALUE_ANTIALIAS_OFF;
|
---|
1539 | g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, antialiasing);
|
---|
1540 |
|
---|
1541 | Object textAntialiasing;
|
---|
1542 | switch (Main.pref.get("mappaint.text-antialiasing", "default")) {
|
---|
1543 | case "on":
|
---|
1544 | textAntialiasing = RenderingHints.VALUE_TEXT_ANTIALIAS_ON;
|
---|
1545 | break;
|
---|
1546 | case "off":
|
---|
1547 | textAntialiasing = RenderingHints.VALUE_TEXT_ANTIALIAS_OFF;
|
---|
1548 | break;
|
---|
1549 | case "gasp":
|
---|
1550 | textAntialiasing = RenderingHints.VALUE_TEXT_ANTIALIAS_GASP;
|
---|
1551 | break;
|
---|
1552 | case "lcd-hrgb":
|
---|
1553 | textAntialiasing = RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB;
|
---|
1554 | break;
|
---|
1555 | case "lcd-hbgr":
|
---|
1556 | textAntialiasing = RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HBGR;
|
---|
1557 | break;
|
---|
1558 | case "lcd-vrgb":
|
---|
1559 | textAntialiasing = RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_VRGB;
|
---|
1560 | break;
|
---|
1561 | case "lcd-vbgr":
|
---|
1562 | textAntialiasing = RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_VBGR;
|
---|
1563 | break;
|
---|
1564 | default:
|
---|
1565 | textAntialiasing = RenderingHints.VALUE_TEXT_ANTIALIAS_DEFAULT;
|
---|
1566 | }
|
---|
1567 | g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, textAntialiasing);
|
---|
1568 |
|
---|
1569 | highlightLineWidth = Main.pref.getInteger("mappaint.highlight.width", 4);
|
---|
1570 | highlightPointRadius = Main.pref.getInteger("mappaint.highlight.radius", 7);
|
---|
1571 | widerHighlight = Main.pref.getInteger("mappaint.highlight.bigger-increment", 5);
|
---|
1572 | highlightStep = Main.pref.getInteger("mappaint.highlight.step", 4);
|
---|
1573 | }
|
---|
1574 |
|
---|
1575 | private static Path2D.Double getPath(Way w) {
|
---|
1576 | Path2D.Double path = new Path2D.Double();
|
---|
1577 | boolean initial = true;
|
---|
1578 | for (Node n : w.getNodes()) {
|
---|
1579 | EastNorth p = n.getEastNorth();
|
---|
1580 | if (p != null) {
|
---|
1581 | if (initial) {
|
---|
1582 | path.moveTo(p.getX(), p.getY());
|
---|
1583 | initial = false;
|
---|
1584 | } else {
|
---|
1585 | path.lineTo(p.getX(), p.getY());
|
---|
1586 | }
|
---|
1587 | }
|
---|
1588 | }
|
---|
1589 | if (w.isClosed()) {
|
---|
1590 | path.closePath();
|
---|
1591 | }
|
---|
1592 | return path;
|
---|
1593 | }
|
---|
1594 |
|
---|
1595 | private static Path2D.Double getPFClip(Way w, double extent) {
|
---|
1596 | Path2D.Double clip = new Path2D.Double();
|
---|
1597 | buildPFClip(clip, w.getNodes(), extent);
|
---|
1598 | return clip;
|
---|
1599 | }
|
---|
1600 |
|
---|
1601 | private static Path2D.Double getPFClip(PolyData pd, double extent) {
|
---|
1602 | Path2D.Double clip = new Path2D.Double();
|
---|
1603 | clip.setWindingRule(Path2D.WIND_EVEN_ODD);
|
---|
1604 | buildPFClip(clip, pd.getNodes(), extent);
|
---|
1605 | for (PolyData pdInner : pd.getInners()) {
|
---|
1606 | buildPFClip(clip, pdInner.getNodes(), extent);
|
---|
1607 | }
|
---|
1608 | return clip;
|
---|
1609 | }
|
---|
1610 |
|
---|
1611 | /**
|
---|
1612 | * Fix the clipping area of unclosed polygons for partial fill.
|
---|
1613 | *
|
---|
1614 | * The current algorithm for partial fill simply strokes the polygon with a
|
---|
1615 | * large stroke width after masking the outside with a clipping area.
|
---|
1616 | * This works, but for unclosed polygons, the mask can crop the corners at
|
---|
1617 | * both ends (see #12104).
|
---|
1618 | *
|
---|
1619 | * This method fixes the clipping area by sort of adding the corners to the
|
---|
1620 | * clip outline.
|
---|
1621 | *
|
---|
1622 | * @param clip the clipping area to modify (initially empty)
|
---|
1623 | * @param nodes nodes of the polygon
|
---|
1624 | * @param extent the extent
|
---|
1625 | */
|
---|
1626 | private static void buildPFClip(Path2D.Double clip, List<Node> nodes, double extent) {
|
---|
1627 | boolean initial = true;
|
---|
1628 | for (Node n : nodes) {
|
---|
1629 | EastNorth p = n.getEastNorth();
|
---|
1630 | if (p != null) {
|
---|
1631 | if (initial) {
|
---|
1632 | clip.moveTo(p.getX(), p.getY());
|
---|
1633 | initial = false;
|
---|
1634 | } else {
|
---|
1635 | clip.lineTo(p.getX(), p.getY());
|
---|
1636 | }
|
---|
1637 | }
|
---|
1638 | }
|
---|
1639 | if (nodes.size() >= 3) {
|
---|
1640 | EastNorth fst = nodes.get(0).getEastNorth();
|
---|
1641 | EastNorth snd = nodes.get(1).getEastNorth();
|
---|
1642 | EastNorth lst = nodes.get(nodes.size() - 1).getEastNorth();
|
---|
1643 | EastNorth lbo = nodes.get(nodes.size() - 2).getEastNorth();
|
---|
1644 |
|
---|
1645 | EastNorth cLst = getPFDisplacedEndPoint(lbo, lst, fst, extent);
|
---|
1646 | EastNorth cFst = getPFDisplacedEndPoint(snd, fst, cLst != null ? cLst : lst, extent);
|
---|
1647 | if (cLst == null && cFst != null) {
|
---|
1648 | cLst = getPFDisplacedEndPoint(lbo, lst, cFst, extent);
|
---|
1649 | }
|
---|
1650 | if (cLst != null) {
|
---|
1651 | clip.lineTo(cLst.getX(), cLst.getY());
|
---|
1652 | }
|
---|
1653 | if (cFst != null) {
|
---|
1654 | clip.lineTo(cFst.getX(), cFst.getY());
|
---|
1655 | }
|
---|
1656 | }
|
---|
1657 | }
|
---|
1658 |
|
---|
1659 | /**
|
---|
1660 | * Get the point to add to the clipping area for partial fill of unclosed polygons.
|
---|
1661 | *
|
---|
1662 | * <code>(p1,p2)</code> is the first or last way segment and <code>p3</code> the
|
---|
1663 | * opposite endpoint.
|
---|
1664 | *
|
---|
1665 | * @param p1 1st point
|
---|
1666 | * @param p2 2nd point
|
---|
1667 | * @param p3 3rd point
|
---|
1668 | * @param extent the extent
|
---|
1669 | * @return a point q, such that p1,p2,q form a right angle
|
---|
1670 | * and the distance of q to p2 is <code>extent</code>. The point q lies on
|
---|
1671 | * the same side of the line p1,p2 as the point p3.
|
---|
1672 | * Returns null if p1,p2,p3 forms an angle greater 90 degrees. (In this case
|
---|
1673 | * the corner of the partial fill would not be cut off by the mask, so an
|
---|
1674 | * additional point is not necessary.)
|
---|
1675 | */
|
---|
1676 | private static EastNorth getPFDisplacedEndPoint(EastNorth p1, EastNorth p2, EastNorth p3, double extent) {
|
---|
1677 | double dx1 = p2.getX() - p1.getX();
|
---|
1678 | double dy1 = p2.getY() - p1.getY();
|
---|
1679 | double dx2 = p3.getX() - p2.getX();
|
---|
1680 | double dy2 = p3.getY() - p2.getY();
|
---|
1681 | if (dx1 * dx2 + dy1 * dy2 < 0) {
|
---|
1682 | double len = Math.sqrt(dx1 * dx1 + dy1 * dy1);
|
---|
1683 | if (len == 0) return null;
|
---|
1684 | double dxm = -dy1 * extent / len;
|
---|
1685 | double dym = dx1 * extent / len;
|
---|
1686 | if (dx1 * dy2 - dx2 * dy1 < 0) {
|
---|
1687 | dxm = -dxm;
|
---|
1688 | dym = -dym;
|
---|
1689 | }
|
---|
1690 | return new EastNorth(p2.getX() + dxm, p2.getY() + dym);
|
---|
1691 | }
|
---|
1692 | return null;
|
---|
1693 | }
|
---|
1694 |
|
---|
1695 | private boolean isAreaVisible(Path2D.Double area) {
|
---|
1696 | Rectangle2D bounds = area.getBounds2D();
|
---|
1697 | if (bounds.isEmpty()) return false;
|
---|
1698 | Point2D p = nc.getPoint2D(new EastNorth(bounds.getX(), bounds.getY()));
|
---|
1699 | if (p.getX() > nc.getWidth()) return false;
|
---|
1700 | if (p.getY() < 0) return false;
|
---|
1701 | p = nc.getPoint2D(new EastNorth(bounds.getX() + bounds.getWidth(), bounds.getY() + bounds.getHeight()));
|
---|
1702 | if (p.getX() < 0) return false;
|
---|
1703 | if (p.getY() > nc.getHeight()) return false;
|
---|
1704 | return true;
|
---|
1705 | }
|
---|
1706 |
|
---|
1707 | public boolean isInactiveMode() {
|
---|
1708 | return isInactiveMode;
|
---|
1709 | }
|
---|
1710 |
|
---|
1711 | public boolean isShowIcons() {
|
---|
1712 | return showIcons;
|
---|
1713 | }
|
---|
1714 |
|
---|
1715 | public boolean isShowNames() {
|
---|
1716 | return showNames;
|
---|
1717 | }
|
---|
1718 |
|
---|
1719 | private static double[] pointAt(double t, Polygon poly, double pathLength) {
|
---|
1720 | double totalLen = t * pathLength;
|
---|
1721 | double curLen = 0;
|
---|
1722 | long dx, dy;
|
---|
1723 | double segLen;
|
---|
1724 |
|
---|
1725 | // Yes, it is inefficient to iterate from the beginning for each glyph.
|
---|
1726 | // Can be optimized if it turns out to be slow.
|
---|
1727 | for (int i = 1; i < poly.npoints; ++i) {
|
---|
1728 | dx = poly.xpoints[i] - poly.xpoints[i-1];
|
---|
1729 | dy = poly.ypoints[i] - poly.ypoints[i-1];
|
---|
1730 | segLen = Math.sqrt(dx*dx + dy*dy);
|
---|
1731 | if (totalLen > curLen + segLen) {
|
---|
1732 | curLen += segLen;
|
---|
1733 | continue;
|
---|
1734 | }
|
---|
1735 | return new double[] {
|
---|
1736 | poly.xpoints[i-1]+(totalLen - curLen)/segLen*dx,
|
---|
1737 | poly.ypoints[i-1]+(totalLen - curLen)/segLen*dy,
|
---|
1738 | Math.atan2(dy, dx)};
|
---|
1739 | }
|
---|
1740 | return null;
|
---|
1741 | }
|
---|
1742 |
|
---|
1743 | /**
|
---|
1744 | * Computes the flags for a given OSM primitive.
|
---|
1745 | * @param primitive The primititve to compute the flags for.
|
---|
1746 | * @param checkOuterMember <code>true</code> if we should also add {@link #FLAG_OUTERMEMBER_OF_SELECTED}
|
---|
1747 | * @return The flag.
|
---|
1748 | */
|
---|
1749 | public static int computeFlags(OsmPrimitive primitive, boolean checkOuterMember) {
|
---|
1750 | if (primitive.isDisabled()) {
|
---|
1751 | return FLAG_DISABLED;
|
---|
1752 | } else if (primitive.isSelected()) {
|
---|
1753 | return FLAG_SELECTED;
|
---|
1754 | } else if (checkOuterMember && primitive.isOuterMemberOfSelected()) {
|
---|
1755 | return FLAG_OUTERMEMBER_OF_SELECTED;
|
---|
1756 | } else if (primitive.isMemberOfSelected()) {
|
---|
1757 | return FLAG_MEMBER_OF_SELECTED;
|
---|
1758 | } else {
|
---|
1759 | return FLAG_NORMAL;
|
---|
1760 | }
|
---|
1761 | }
|
---|
1762 |
|
---|
1763 | private class ComputeStyleListWorker implements Callable<List<StyleRecord>>, Visitor {
|
---|
1764 | private final List<? extends OsmPrimitive> input;
|
---|
1765 | private final int from;
|
---|
1766 | private final int to;
|
---|
1767 | private final List<StyleRecord> output;
|
---|
1768 |
|
---|
1769 | private final ElemStyles styles = MapPaintStyles.getStyles();
|
---|
1770 |
|
---|
1771 | private final boolean drawArea = circum <= Main.pref.getInteger("mappaint.fillareas", 10000000);
|
---|
1772 | private final boolean drawMultipolygon = drawArea && Main.pref.getBoolean("mappaint.multipolygon", true);
|
---|
1773 | private final boolean drawRestriction = Main.pref.getBoolean("mappaint.restriction", true);
|
---|
1774 |
|
---|
1775 | /**
|
---|
1776 | * Constructs a new {@code ComputeStyleListWorker}.
|
---|
1777 | * @param input the primitives to process
|
---|
1778 | * @param from first index of <code>input</code> to use
|
---|
1779 | * @param to last index + 1
|
---|
1780 | * @param output the list of styles to which styles will be added
|
---|
1781 | */
|
---|
1782 | ComputeStyleListWorker(final List<? extends OsmPrimitive> input, int from, int to, List<StyleRecord> output) {
|
---|
1783 | this.input = input;
|
---|
1784 | this.from = from;
|
---|
1785 | this.to = to;
|
---|
1786 | this.output = output;
|
---|
1787 | this.styles.setDrawMultipolygon(drawMultipolygon);
|
---|
1788 | }
|
---|
1789 |
|
---|
1790 | @Override
|
---|
1791 | public List<StyleRecord> call() throws Exception {
|
---|
1792 | MapCSSStyleSource.STYLE_SOURCE_LOCK.readLock().lock();
|
---|
1793 | try {
|
---|
1794 | for (int i = from; i < to; i++) {
|
---|
1795 | OsmPrimitive osm = input.get(i);
|
---|
1796 | if (osm.isDrawable()) {
|
---|
1797 | osm.accept(this);
|
---|
1798 | }
|
---|
1799 | }
|
---|
1800 | return output;
|
---|
1801 | } finally {
|
---|
1802 | MapCSSStyleSource.STYLE_SOURCE_LOCK.readLock().unlock();
|
---|
1803 | }
|
---|
1804 | }
|
---|
1805 |
|
---|
1806 | @Override
|
---|
1807 | public void visit(Node n) {
|
---|
1808 | add(n, computeFlags(n, false));
|
---|
1809 | }
|
---|
1810 |
|
---|
1811 | @Override
|
---|
1812 | public void visit(Way w) {
|
---|
1813 | add(w, computeFlags(w, true));
|
---|
1814 | }
|
---|
1815 |
|
---|
1816 | @Override
|
---|
1817 | public void visit(Relation r) {
|
---|
1818 | add(r, computeFlags(r, true));
|
---|
1819 | }
|
---|
1820 |
|
---|
1821 | @Override
|
---|
1822 | public void visit(Changeset cs) {
|
---|
1823 | throw new UnsupportedOperationException();
|
---|
1824 | }
|
---|
1825 |
|
---|
1826 | public void add(Node osm, int flags) {
|
---|
1827 | StyleList sl = styles.get(osm, circum, nc);
|
---|
1828 | for (StyleElement s : sl) {
|
---|
1829 | output.add(new StyleRecord(s, osm, flags));
|
---|
1830 | }
|
---|
1831 | }
|
---|
1832 |
|
---|
1833 | public void add(Relation osm, int flags) {
|
---|
1834 | StyleList sl = styles.get(osm, circum, nc);
|
---|
1835 | for (StyleElement s : sl) {
|
---|
1836 | if (drawMultipolygon && drawArea && s instanceof AreaElement && (flags & FLAG_DISABLED) == 0) {
|
---|
1837 | output.add(new StyleRecord(s, osm, flags));
|
---|
1838 | } else if (drawRestriction && s instanceof NodeElement) {
|
---|
1839 | output.add(new StyleRecord(s, osm, flags));
|
---|
1840 | }
|
---|
1841 | }
|
---|
1842 | }
|
---|
1843 |
|
---|
1844 | public void add(Way osm, int flags) {
|
---|
1845 | StyleList sl = styles.get(osm, circum, nc);
|
---|
1846 | for (StyleElement s : sl) {
|
---|
1847 | if (!(drawArea && (flags & FLAG_DISABLED) == 0) && s instanceof AreaElement) {
|
---|
1848 | continue;
|
---|
1849 | }
|
---|
1850 | output.add(new StyleRecord(s, osm, flags));
|
---|
1851 | }
|
---|
1852 | }
|
---|
1853 | }
|
---|
1854 |
|
---|
1855 | private class ConcurrentTasksHelper {
|
---|
1856 |
|
---|
1857 | private final List<StyleRecord> allStyleElems;
|
---|
1858 |
|
---|
1859 | ConcurrentTasksHelper(List<StyleRecord> allStyleElems) {
|
---|
1860 | this.allStyleElems = allStyleElems;
|
---|
1861 | }
|
---|
1862 |
|
---|
1863 | void process(List<? extends OsmPrimitive> prims) {
|
---|
1864 | final List<ComputeStyleListWorker> tasks = new ArrayList<>();
|
---|
1865 | final int bucketsize = Math.max(100, prims.size()/THREAD_POOL.a/3);
|
---|
1866 | final int noBuckets = (prims.size() + bucketsize - 1) / bucketsize;
|
---|
1867 | final boolean singleThread = THREAD_POOL.a == 1 || noBuckets == 1;
|
---|
1868 | for (int i = 0; i < noBuckets; i++) {
|
---|
1869 | int from = i*bucketsize;
|
---|
1870 | int to = Math.min((i+1)*bucketsize, prims.size());
|
---|
1871 | List<StyleRecord> target = singleThread ? allStyleElems : new ArrayList<StyleRecord>(to - from);
|
---|
1872 | tasks.add(new ComputeStyleListWorker(prims, from, to, target));
|
---|
1873 | }
|
---|
1874 | if (singleThread) {
|
---|
1875 | try {
|
---|
1876 | for (ComputeStyleListWorker task : tasks) {
|
---|
1877 | task.call();
|
---|
1878 | }
|
---|
1879 | } catch (Exception ex) {
|
---|
1880 | throw new RuntimeException(ex);
|
---|
1881 | }
|
---|
1882 | } else if (!tasks.isEmpty()) {
|
---|
1883 | try {
|
---|
1884 | for (Future<List<StyleRecord>> future : THREAD_POOL.b.invokeAll(tasks)) {
|
---|
1885 | allStyleElems.addAll(future.get());
|
---|
1886 | }
|
---|
1887 | } catch (InterruptedException | ExecutionException ex) {
|
---|
1888 | throw new RuntimeException(ex);
|
---|
1889 | }
|
---|
1890 | }
|
---|
1891 | }
|
---|
1892 | }
|
---|
1893 |
|
---|
1894 | @Override
|
---|
1895 | public void render(final DataSet data, boolean renderVirtualNodes, Bounds bounds) {
|
---|
1896 | BBox bbox = bounds.toBBox();
|
---|
1897 | getSettings(renderVirtualNodes);
|
---|
1898 | boolean benchmark = Main.isTraceEnabled() || Main.pref.getBoolean("mappaint.render.benchmark", false);
|
---|
1899 |
|
---|
1900 | data.getReadLock().lock();
|
---|
1901 | try {
|
---|
1902 | highlightWaySegments = data.getHighlightedWaySegments();
|
---|
1903 |
|
---|
1904 | long timeStart = 0, timePhase1 = 0, timeFinished;
|
---|
1905 | if (benchmark) {
|
---|
1906 | timeStart = System.currentTimeMillis();
|
---|
1907 | System.err.print("BENCHMARK: rendering ");
|
---|
1908 | }
|
---|
1909 |
|
---|
1910 | List<Node> nodes = data.searchNodes(bbox);
|
---|
1911 | List<Way> ways = data.searchWays(bbox);
|
---|
1912 | List<Relation> relations = data.searchRelations(bbox);
|
---|
1913 |
|
---|
1914 | final List<StyleRecord> allStyleElems = new ArrayList<>(nodes.size()+ways.size()+relations.size());
|
---|
1915 |
|
---|
1916 | ConcurrentTasksHelper helper = new ConcurrentTasksHelper(allStyleElems);
|
---|
1917 |
|
---|
1918 | // Need to process all relations first.
|
---|
1919 | // Reason: Make sure, ElemStyles.getStyleCacheWithRange is
|
---|
1920 | // not called for the same primitive in parallel threads.
|
---|
1921 | // (Could be synchronized, but try to avoid this for
|
---|
1922 | // performance reasons.)
|
---|
1923 | helper.process(relations);
|
---|
1924 | helper.process(new CompositeList<>(nodes, ways));
|
---|
1925 |
|
---|
1926 | if (benchmark) {
|
---|
1927 | timePhase1 = System.currentTimeMillis();
|
---|
1928 | System.err.print("phase 1 (calculate styles): " + Utils.getDurationString(timePhase1 - timeStart));
|
---|
1929 | }
|
---|
1930 |
|
---|
1931 | Collections.sort(allStyleElems); // TODO: try parallel sort when switching to Java 8
|
---|
1932 |
|
---|
1933 | for (StyleRecord r : allStyleElems) {
|
---|
1934 | r.style.paintPrimitive(
|
---|
1935 | r.osm,
|
---|
1936 | paintSettings,
|
---|
1937 | this,
|
---|
1938 | (r.flags & FLAG_SELECTED) != 0,
|
---|
1939 | (r.flags & FLAG_OUTERMEMBER_OF_SELECTED) != 0,
|
---|
1940 | (r.flags & FLAG_MEMBER_OF_SELECTED) != 0
|
---|
1941 | );
|
---|
1942 | }
|
---|
1943 |
|
---|
1944 | if (benchmark) {
|
---|
1945 | timeFinished = System.currentTimeMillis();
|
---|
1946 | System.err.println("; phase 2 (draw): " + Utils.getDurationString(timeFinished - timePhase1) +
|
---|
1947 | "; total: " + Utils.getDurationString(timeFinished - timeStart) +
|
---|
1948 | " (scale: " + circum + " zoom level: " + Selector.GeneralSelector.scale2level(circum) + ')');
|
---|
1949 | }
|
---|
1950 |
|
---|
1951 | drawVirtualNodes(data, bbox);
|
---|
1952 | } finally {
|
---|
1953 | data.getReadLock().unlock();
|
---|
1954 | }
|
---|
1955 | }
|
---|
1956 | }
|
---|