1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.gui.layer;
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3 |
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4 | import static org.openstreetmap.josm.tools.I18n.tr;
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5 |
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6 | import java.awt.Color;
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7 | import java.awt.Font;
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8 | import java.awt.Graphics;
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9 | import java.awt.Graphics2D;
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10 | import java.awt.Image;
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11 | import java.awt.Point;
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12 | import java.awt.Rectangle;
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13 | import java.awt.Toolkit;
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14 | import java.awt.event.ActionEvent;
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15 | import java.awt.event.MouseAdapter;
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16 | import java.awt.event.MouseEvent;
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17 | import java.awt.font.TextAttribute;
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18 | import java.awt.geom.Rectangle2D;
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19 | import java.awt.image.BufferedImage;
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20 | import java.awt.image.ImageObserver;
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21 | import java.io.IOException;
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22 | import java.net.URI;
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23 | import java.net.URISyntaxException;
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24 | import java.util.ArrayList;
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25 | import java.util.HashMap;
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26 | import java.util.HashSet;
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27 | import java.util.LinkedList;
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28 | import java.util.List;
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29 | import java.util.Map;
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30 |
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31 | import javax.swing.AbstractAction;
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32 | import javax.swing.Action;
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33 | import javax.swing.JCheckBoxMenuItem;
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34 | import javax.swing.JMenuItem;
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35 | import javax.swing.JPopupMenu;
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36 | import javax.swing.SwingUtilities;
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37 |
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38 | import org.openstreetmap.gui.jmapviewer.BingAerialTileSource;
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39 | import org.openstreetmap.gui.jmapviewer.Coordinate;
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40 | import org.openstreetmap.gui.jmapviewer.JobDispatcher;
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41 | import org.openstreetmap.gui.jmapviewer.MemoryTileCache;
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42 | import org.openstreetmap.gui.jmapviewer.OsmFileCacheTileLoader;
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43 | import org.openstreetmap.gui.jmapviewer.TMSTileSource;
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44 | import org.openstreetmap.gui.jmapviewer.TemplatedTMSTileSource;
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45 | import org.openstreetmap.gui.jmapviewer.Tile;
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46 | import org.openstreetmap.gui.jmapviewer.interfaces.TileCache;
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47 | import org.openstreetmap.gui.jmapviewer.interfaces.TileLoader;
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48 | import org.openstreetmap.gui.jmapviewer.interfaces.TileLoaderListener;
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49 | import org.openstreetmap.gui.jmapviewer.interfaces.TileSource;
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50 | import org.openstreetmap.josm.Main;
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51 | import org.openstreetmap.josm.actions.RenameLayerAction;
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52 | import org.openstreetmap.josm.data.Bounds;
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53 | import org.openstreetmap.josm.data.coor.EastNorth;
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54 | import org.openstreetmap.josm.data.coor.LatLon;
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55 | import org.openstreetmap.josm.data.imagery.ImageryInfo;
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56 | import org.openstreetmap.josm.data.imagery.ImageryInfo.ImageryType;
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57 | import org.openstreetmap.josm.data.osm.visitor.BoundingXYVisitor;
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58 | import org.openstreetmap.josm.data.preferences.BooleanProperty;
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59 | import org.openstreetmap.josm.data.preferences.IntegerProperty;
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60 | import org.openstreetmap.josm.gui.MapView;
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61 | import org.openstreetmap.josm.gui.MapView.LayerChangeListener;
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62 | import org.openstreetmap.josm.gui.dialogs.LayerListDialog;
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63 | import org.openstreetmap.josm.gui.dialogs.LayerListPopup;
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64 |
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65 | /**
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66 | * Class that displays a slippy map layer.
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67 | *
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68 | * @author Frederik Ramm <frederik@remote.org>
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69 | * @author LuVar <lubomir.varga@freemap.sk>
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70 | * @author Dave Hansen <dave@sr71.net>
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71 | *
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72 | */
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73 | public class TMSLayer extends ImageryLayer implements ImageObserver, TileLoaderListener {
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74 | public static final String PREFERENCE_PREFIX = "imagery.tms";
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75 |
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76 | public static final int MAX_ZOOM = 30;
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77 | public static final int MIN_ZOOM = 2;
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78 | public static final int DEFAULT_MAX_ZOOM = 18;
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79 | public static final int DEFAULT_MIN_ZOOM = 2;
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80 |
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81 | public static final BooleanProperty PROP_DEFAULT_AUTOZOOM = new BooleanProperty(PREFERENCE_PREFIX + ".default_autozoom", true);
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82 | public static final BooleanProperty PROP_DEFAULT_AUTOLOAD = new BooleanProperty(PREFERENCE_PREFIX + ".default_autoload", true);
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83 | public static final IntegerProperty PROP_MIN_ZOOM_LVL = new IntegerProperty(PREFERENCE_PREFIX + ".min_zoom_lvl", DEFAULT_MIN_ZOOM);
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84 | public static final IntegerProperty PROP_MAX_ZOOM_LVL = new IntegerProperty(PREFERENCE_PREFIX + ".max_zoom_lvl", DEFAULT_MAX_ZOOM);
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85 | public static final BooleanProperty PROP_DRAW_DEBUG = new BooleanProperty(PREFERENCE_PREFIX + ".draw_debug", false);
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86 | public static final BooleanProperty PROP_ADD_TO_SLIPPYMAP_CHOOSER = new BooleanProperty(PREFERENCE_PREFIX + ".add_to_slippymap_chooser", true);
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87 |
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88 | boolean debug = false;
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89 | void out(String s)
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90 | {
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91 | Main.debug(s);
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92 | }
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93 |
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94 | protected MemoryTileCache tileCache;
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95 | protected TileSource tileSource;
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96 | protected TileLoader tileLoader;
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97 | JobDispatcher jobDispatcher = JobDispatcher.getInstance();
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98 |
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99 | HashSet<Tile> tileRequestsOutstanding = new HashSet<Tile>();
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100 | @Override
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101 | public synchronized void tileLoadingFinished(Tile tile, boolean success)
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102 | {
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103 | if (!success) {
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104 | BufferedImage img = new BufferedImage(tileSource.getTileSize(),tileSource.getTileSize(), BufferedImage.TYPE_INT_RGB);
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105 | drawErrorTile(img);
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106 | tile.setImage(img);
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107 | }
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108 | tile.setLoaded(true);
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109 | needRedraw = true;
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110 | Main.map.repaint(100);
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111 | tileRequestsOutstanding.remove(tile);
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112 | if (sharpenLevel != 0 && success) {
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113 | tile.setImage(sharpenImage(tile.getImage()));
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114 | }
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115 | if (debug) {
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116 | out("tileLoadingFinished() tile: " + tile + " success: " + success);
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117 | }
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118 | }
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119 | @Override
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120 | public TileCache getTileCache()
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121 | {
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122 | return tileCache;
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123 | }
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124 | void clearTileCache()
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125 | {
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126 | if (debug) {
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127 | out("clearing tile storage");
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128 | }
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129 | tileCache = new MemoryTileCache();
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130 | tileCache.setCacheSize(200);
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131 | }
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132 |
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133 | /**
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134 | * Actual zoom lvl. Initial zoom lvl is set to
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135 | */
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136 | public int currentZoomLevel;
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137 |
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138 | private Tile clickedTile;
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139 | private boolean needRedraw;
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140 | private JPopupMenu tileOptionMenu;
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141 | JCheckBoxMenuItem autoZoomPopup;
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142 | JCheckBoxMenuItem autoLoadPopup;
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143 | Tile showMetadataTile;
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144 | private Image attrImage;
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145 | private String attrTermsUrl;
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146 | private Rectangle attrImageBounds, attrToUBounds;
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147 | private static final Font InfoFont = new Font("sansserif", Font.BOLD, 13);
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148 | private static final Font ATTR_FONT = new Font("Arial", Font.PLAIN, 10);
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149 | private static final Font ATTR_LINK_FONT;
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150 | static {
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151 | HashMap<TextAttribute, Integer> aUnderline = new HashMap<TextAttribute, Integer>();
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152 | aUnderline.put(TextAttribute.UNDERLINE, TextAttribute.UNDERLINE_ON);
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153 | ATTR_LINK_FONT = ATTR_FONT.deriveFont(aUnderline);
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154 | }
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155 |
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156 | protected boolean autoZoom;
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157 | protected boolean autoLoad;
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158 |
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159 | void redraw()
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160 | {
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161 | needRedraw = true;
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162 | Main.map.repaint();
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163 | }
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164 |
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165 | static int checkMaxZoomLvl(int maxZoomLvl, TileSource ts)
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166 | {
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167 | if(maxZoomLvl > MAX_ZOOM) {
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168 | System.err.println("MaxZoomLvl shouldnt be more than 30! Setting to 30.");
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169 | maxZoomLvl = MAX_ZOOM;
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170 | }
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171 | if(maxZoomLvl < PROP_MIN_ZOOM_LVL.get()) {
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172 | System.err.println("maxZoomLvl shouldnt be more than minZoomLvl! Setting to minZoomLvl.");
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173 | maxZoomLvl = PROP_MIN_ZOOM_LVL.get();
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174 | }
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175 | if (ts != null && ts.getMaxZoom() != 0 && ts.getMaxZoom() < maxZoomLvl) {
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176 | maxZoomLvl = ts.getMaxZoom();
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177 | }
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178 | return maxZoomLvl;
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179 | }
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180 |
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181 | public static int getMaxZoomLvl(TileSource ts)
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182 | {
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183 | return checkMaxZoomLvl(PROP_MAX_ZOOM_LVL.get(), ts);
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184 | }
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185 |
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186 | public static void setMaxZoomLvl(int maxZoomLvl) {
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187 | maxZoomLvl = checkMaxZoomLvl(maxZoomLvl, null);
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188 | PROP_MAX_ZOOM_LVL.put(maxZoomLvl);
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189 | }
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190 |
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191 | static int checkMinZoomLvl(int minZoomLvl, TileSource ts)
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192 | {
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193 | if(minZoomLvl < MIN_ZOOM) {
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194 | System.err.println("minZoomLvl shouldnt be lees than "+MIN_ZOOM+"! Setting to that.");
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195 | minZoomLvl = MIN_ZOOM;
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196 | }
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197 | if(minZoomLvl > PROP_MAX_ZOOM_LVL.get()) {
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198 | System.err.println("minZoomLvl shouldnt be more than maxZoomLvl! Setting to maxZoomLvl.");
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199 | minZoomLvl = getMaxZoomLvl(ts);
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200 | }
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201 | if (ts != null && ts.getMinZoom() > minZoomLvl) {
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202 | System.err.println("increasomg minZoomLvl to match tile source");
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203 | minZoomLvl = ts.getMinZoom();
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204 | }
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205 | return minZoomLvl;
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206 | }
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207 |
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208 | public static int getMinZoomLvl(TileSource ts)
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209 | {
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210 | return checkMinZoomLvl(PROP_MIN_ZOOM_LVL.get(), ts);
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211 | }
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212 |
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213 | public static void setMinZoomLvl(int minZoomLvl) {
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214 | minZoomLvl = checkMinZoomLvl(minZoomLvl, null);
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215 | PROP_MIN_ZOOM_LVL.put(minZoomLvl);
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216 | }
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217 |
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218 | public static TileSource getTileSource(ImageryInfo info) {
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219 | if (info.getImageryType() == ImageryType.TMS) {
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220 | if(ImageryInfo.isUrlWithPatterns(info.getURL()))
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221 | return new TemplatedTMSTileSource(info.getName(), info.getURL(), info.getMaxZoom());
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222 | else
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223 | return new TMSTileSource(info.getName(),info.getURL(), info.getMaxZoom());
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224 | } else if (info.getImageryType() == ImageryType.BING)
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225 | return new BingAerialTileSource();
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226 | return null;
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227 | }
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228 |
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229 | private void initTileSource(TileSource tileSource)
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230 | {
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231 | this.tileSource = tileSource;
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232 | boolean requireAttr = tileSource.requiresAttribution();
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233 | if(requireAttr) {
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234 | attrImage = tileSource.getAttributionImage();
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235 | if(attrImage == null) {
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236 | System.out.println("Attribution image was null.");
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237 | } else {
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238 | System.out.println("Got an attribution image " + attrImage.getHeight(this) + "x" + attrImage.getWidth(this));
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239 | }
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240 |
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241 | attrTermsUrl = tileSource.getTermsOfUseURL();
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242 | }
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243 |
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244 | currentZoomLevel = getBestZoom();
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245 | if (currentZoomLevel > getMaxZoomLvl()) {
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246 | currentZoomLevel = getMaxZoomLvl();
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247 | }
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248 | if (currentZoomLevel < getMinZoomLvl()) {
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249 | currentZoomLevel = getMinZoomLvl();
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250 | }
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251 | clearTileCache();
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252 | //tileloader = new OsmTileLoader(this);
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253 | tileLoader = new OsmFileCacheTileLoader(this);
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254 | }
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255 |
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256 | @Override
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257 | public void setOffset(double dx, double dy) {
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258 | super.setOffset(dx, dy);
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259 | needRedraw = true;
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260 | }
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261 |
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262 | private double getPPDeg() {
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263 | MapView mv = Main.map.mapView;
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264 | return mv.getWidth()/(mv.getLatLon(mv.getWidth(), mv.getHeight()/2).lon()-mv.getLatLon(0, mv.getHeight()/2).lon());
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265 | }
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266 |
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267 | private int getBestZoom() {
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268 | if (Main.map == null || Main.map.mapView == null) return 3;
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269 | double ret = Math.log(getPPDeg()*360/tileSource.getTileSize())/Math.log(2);
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270 | return (int)Math.round(ret);
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271 | }
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272 |
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273 | @SuppressWarnings("serial")
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274 | public TMSLayer(ImageryInfo info) {
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275 | super(info);
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276 |
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277 | setBackgroundLayer(true);
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278 | this.setVisible(true);
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279 |
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280 | TileSource source = getTileSource(info);
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281 | if (source == null)
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282 | throw new IllegalStateException("cannot create TMSLayer with non-TMS ImageryInfo");
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283 | initTileSource(source);
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284 |
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285 | tileOptionMenu = new JPopupMenu();
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286 |
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287 | autoZoom = PROP_DEFAULT_AUTOZOOM.get();
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288 | autoZoomPopup = new JCheckBoxMenuItem();
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289 | autoZoomPopup.setAction(new AbstractAction(tr("Auto Zoom")) {
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290 | @Override
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291 | public void actionPerformed(ActionEvent ae) {
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292 | autoZoom = !autoZoom;
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293 | }
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294 | });
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295 | autoZoomPopup.setSelected(autoZoom);
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296 | tileOptionMenu.add(autoZoomPopup);
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297 |
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298 | autoLoad = PROP_DEFAULT_AUTOLOAD.get();
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299 | autoLoadPopup = new JCheckBoxMenuItem();
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300 | autoLoadPopup.setAction(new AbstractAction(tr("Auto load tiles")) {
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301 | @Override
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302 | public void actionPerformed(ActionEvent ae) {
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303 | autoLoad= !autoLoad;
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304 | }
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305 | });
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306 | autoLoadPopup.setSelected(autoLoad);
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307 | tileOptionMenu.add(autoLoadPopup);
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308 |
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309 | tileOptionMenu.add(new JMenuItem(new AbstractAction(tr("Load Tile")) {
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310 | @Override
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311 | public void actionPerformed(ActionEvent ae) {
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312 | if (clickedTile != null) {
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313 | loadTile(clickedTile);
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314 | redraw();
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315 | }
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316 | }
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317 | }));
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318 |
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319 | tileOptionMenu.add(new JMenuItem(new AbstractAction(
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320 | tr("Show Tile Info")) {
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321 | @Override
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322 | public void actionPerformed(ActionEvent ae) {
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323 | out("info tile: " + clickedTile);
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324 | if (clickedTile != null) {
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325 | showMetadataTile = clickedTile;
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326 | redraw();
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327 | }
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328 | }
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329 | }));
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330 |
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331 | /* FIXME
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332 | tileOptionMenu.add(new JMenuItem(new AbstractAction(
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333 | tr("Request Update")) {
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334 | public void actionPerformed(ActionEvent ae) {
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335 | if (clickedTile != null) {
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336 | clickedTile.requestUpdate();
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337 | redraw();
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338 | }
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339 | }
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340 | }));*/
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341 |
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342 | tileOptionMenu.add(new JMenuItem(new AbstractAction(
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343 | tr("Load All Tiles")) {
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344 | @Override
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345 | public void actionPerformed(ActionEvent ae) {
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346 | loadAllTiles(true);
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347 | redraw();
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348 | }
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349 | }));
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350 |
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351 | // increase and decrease commands
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352 | tileOptionMenu.add(new JMenuItem(
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353 | new AbstractAction(tr("Increase zoom")) {
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354 | @Override
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355 | public void actionPerformed(ActionEvent ae) {
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356 | increaseZoomLevel();
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357 | redraw();
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358 | }
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359 | }));
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360 |
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361 | tileOptionMenu.add(new JMenuItem(
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362 | new AbstractAction(tr("Decrease zoom")) {
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363 | @Override
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364 | public void actionPerformed(ActionEvent ae) {
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365 | decreaseZoomLevel();
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366 | redraw();
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367 | }
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368 | }));
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369 |
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370 | // FIXME: currently ran in errors
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371 |
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372 | tileOptionMenu.add(new JMenuItem(
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373 | new AbstractAction(tr("Snap to tile size")) {
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374 | @Override
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375 | public void actionPerformed(ActionEvent ae) {
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376 | if (lastImageScale == null) {
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377 | out("please wait for a tile to be loaded before snapping");
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378 | return;
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379 | }
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380 | double new_factor = Math.sqrt(lastImageScale);
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381 | if (debug) {
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382 | out("tile snap: scale was: " + lastImageScale + ", new factor: " + new_factor);
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383 | }
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384 | Main.map.mapView.zoomToFactor(new_factor);
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385 | redraw();
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386 | }
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387 | }));
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388 | // end of adding menu commands
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389 |
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390 | tileOptionMenu.add(new JMenuItem(
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391 | new AbstractAction(tr("Flush Tile Cache")) {
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392 | @Override
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393 | public void actionPerformed(ActionEvent ae) {
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394 | System.out.print("flushing all tiles...");
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395 | clearTileCache();
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396 | System.out.println("done");
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397 | }
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398 | }));
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399 | // end of adding menu commands
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400 |
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401 | SwingUtilities.invokeLater(new Runnable() {
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402 | @Override
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403 | public void run() {
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404 | Main.map.mapView.addMouseListener(new MouseAdapter() {
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405 | @Override
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406 | public void mouseClicked(MouseEvent e) {
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407 | if (e.getButton() == MouseEvent.BUTTON3) {
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408 | clickedTile = getTileForPixelpos(e.getX(), e.getY());
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409 | tileOptionMenu.show(e.getComponent(), e.getX(), e.getY());
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410 | } else if (e.getButton() == MouseEvent.BUTTON1) {
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411 | if(!tileSource.requiresAttribution())
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412 | return;
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413 |
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414 | if(attrImageBounds.contains(e.getPoint())) {
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415 | try {
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416 | java.awt.Desktop desktop = java.awt.Desktop.getDesktop();
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417 | desktop.browse(new URI(tileSource.getAttributionLinkURL()));
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418 | } catch (IOException e1) {
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419 | e1.printStackTrace();
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420 | } catch (URISyntaxException e1) {
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421 | e1.printStackTrace();
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422 | }
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423 | } else if(attrToUBounds.contains(e.getPoint())) {
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424 | try {
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425 | java.awt.Desktop desktop = java.awt.Desktop.getDesktop();
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426 | desktop.browse(new URI(tileSource.getTermsOfUseURL()));
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427 | } catch (IOException e1) {
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428 | e1.printStackTrace();
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429 | } catch (URISyntaxException e1) {
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430 | e1.printStackTrace();
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431 | }
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432 | }
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433 | }
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434 | }
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435 | });
|
---|
436 |
|
---|
437 | MapView.addLayerChangeListener(new LayerChangeListener() {
|
---|
438 | @Override
|
---|
439 | public void activeLayerChange(Layer oldLayer, Layer newLayer) {
|
---|
440 | //
|
---|
441 | }
|
---|
442 |
|
---|
443 | @Override
|
---|
444 | public void layerAdded(Layer newLayer) {
|
---|
445 | //
|
---|
446 | }
|
---|
447 |
|
---|
448 | @Override
|
---|
449 | public void layerRemoved(Layer oldLayer) {
|
---|
450 | MapView.removeLayerChangeListener(this);
|
---|
451 | }
|
---|
452 | });
|
---|
453 | }
|
---|
454 | });
|
---|
455 | }
|
---|
456 |
|
---|
457 | void zoomChanged()
|
---|
458 | {
|
---|
459 | if (debug) {
|
---|
460 | out("zoomChanged(): " + currentZoomLevel);
|
---|
461 | }
|
---|
462 | needRedraw = true;
|
---|
463 | jobDispatcher.cancelOutstandingJobs();
|
---|
464 | tileRequestsOutstanding.clear();
|
---|
465 | }
|
---|
466 |
|
---|
467 | int getMaxZoomLvl()
|
---|
468 | {
|
---|
469 | if (info.getMaxZoom() != 0)
|
---|
470 | return checkMaxZoomLvl(info.getMaxZoom(), tileSource);
|
---|
471 | else
|
---|
472 | return getMaxZoomLvl(tileSource);
|
---|
473 | }
|
---|
474 |
|
---|
475 | int getMinZoomLvl()
|
---|
476 | {
|
---|
477 | return getMinZoomLvl(tileSource);
|
---|
478 | }
|
---|
479 |
|
---|
480 | /**
|
---|
481 | * Zoom in, go closer to map.
|
---|
482 | *
|
---|
483 | * @return true, if zoom increasing was successfull, false othervise
|
---|
484 | */
|
---|
485 | public boolean zoomIncreaseAllowed()
|
---|
486 | {
|
---|
487 | boolean zia = currentZoomLevel < this.getMaxZoomLvl();
|
---|
488 | if (debug) {
|
---|
489 | out("zoomIncreaseAllowed(): " + zia + " " + currentZoomLevel + " vs. " + this.getMaxZoomLvl() );
|
---|
490 | }
|
---|
491 | return zia;
|
---|
492 | }
|
---|
493 | public boolean increaseZoomLevel()
|
---|
494 | {
|
---|
495 | lastImageScale = null;
|
---|
496 | if (zoomIncreaseAllowed()) {
|
---|
497 | currentZoomLevel++;
|
---|
498 | if (debug) {
|
---|
499 | out("increasing zoom level to: " + currentZoomLevel);
|
---|
500 | }
|
---|
501 | zoomChanged();
|
---|
502 | } else {
|
---|
503 | System.err.println("current zoom lvl ("+currentZoomLevel+") couldnt be increased. "+
|
---|
504 | "MaxZoomLvl ("+this.getMaxZoomLvl()+") reached.");
|
---|
505 | return false;
|
---|
506 | }
|
---|
507 | return true;
|
---|
508 | }
|
---|
509 |
|
---|
510 | /**
|
---|
511 | * Zoom out from map.
|
---|
512 | *
|
---|
513 | * @return true, if zoom increasing was successfull, false othervise
|
---|
514 | */
|
---|
515 | public boolean zoomDecreaseAllowed()
|
---|
516 | {
|
---|
517 | return currentZoomLevel > this.getMinZoomLvl();
|
---|
518 | }
|
---|
519 | public boolean decreaseZoomLevel() {
|
---|
520 | int minZoom = this.getMinZoomLvl();
|
---|
521 | lastImageScale = null;
|
---|
522 | if (zoomDecreaseAllowed()) {
|
---|
523 | if (debug) {
|
---|
524 | out("decreasing zoom level to: " + currentZoomLevel);
|
---|
525 | }
|
---|
526 | currentZoomLevel--;
|
---|
527 | zoomChanged();
|
---|
528 | } else {
|
---|
529 | System.err.println("current zoom lvl couldnt be decreased. MinZoomLvl("+minZoom+") reached.");
|
---|
530 | return false;
|
---|
531 | }
|
---|
532 | return true;
|
---|
533 | }
|
---|
534 |
|
---|
535 | /*
|
---|
536 | * We use these for quick, hackish calculations. They
|
---|
537 | * are temporary only and intentionally not inserted
|
---|
538 | * into the tileCache.
|
---|
539 | */
|
---|
540 | synchronized Tile tempCornerTile(Tile t) {
|
---|
541 | int x = t.getXtile() + 1;
|
---|
542 | int y = t.getYtile() + 1;
|
---|
543 | int zoom = t.getZoom();
|
---|
544 | Tile tile = getTile(x, y, zoom);
|
---|
545 | if (tile != null)
|
---|
546 | return tile;
|
---|
547 | return new Tile(tileSource, x, y, zoom);
|
---|
548 | }
|
---|
549 | synchronized Tile getOrCreateTile(int x, int y, int zoom) {
|
---|
550 | Tile tile = getTile(x, y, zoom);
|
---|
551 | if (tile == null) {
|
---|
552 | tile = new Tile(tileSource, x, y, zoom);
|
---|
553 | tileCache.addTile(tile);
|
---|
554 | tile.loadPlaceholderFromCache(tileCache);
|
---|
555 | }
|
---|
556 | return tile;
|
---|
557 | }
|
---|
558 |
|
---|
559 | /*
|
---|
560 | * This can and will return null for tiles that are not
|
---|
561 | * already in the cache.
|
---|
562 | */
|
---|
563 | synchronized Tile getTile(int x, int y, int zoom) {
|
---|
564 | int max = (1 << zoom);
|
---|
565 | if (x < 0 || x >= max || y < 0 || y >= max)
|
---|
566 | return null;
|
---|
567 | Tile tile = tileCache.getTile(tileSource, x, y, zoom);
|
---|
568 | return tile;
|
---|
569 | }
|
---|
570 |
|
---|
571 | synchronized boolean loadTile(Tile tile)
|
---|
572 | {
|
---|
573 | if (tile == null)
|
---|
574 | return false;
|
---|
575 | if (tile.hasError())
|
---|
576 | return false;
|
---|
577 | if (tile.isLoaded())
|
---|
578 | return false;
|
---|
579 | if (tile.isLoading())
|
---|
580 | return false;
|
---|
581 | if (tileRequestsOutstanding.contains(tile))
|
---|
582 | return false;
|
---|
583 | tileRequestsOutstanding.add(tile);
|
---|
584 | jobDispatcher.addJob(tileLoader.createTileLoaderJob(tileSource,
|
---|
585 | tile.getXtile(), tile.getYtile(), tile.getZoom()));
|
---|
586 | return true;
|
---|
587 | }
|
---|
588 |
|
---|
589 | void loadAllTiles(boolean force) {
|
---|
590 | MapView mv = Main.map.mapView;
|
---|
591 | EastNorth topLeft = mv.getEastNorth(0, 0);
|
---|
592 | EastNorth botRight = mv.getEastNorth(mv.getWidth(), mv.getHeight());
|
---|
593 |
|
---|
594 | TileSet ts = new TileSet(topLeft, botRight, currentZoomLevel);
|
---|
595 |
|
---|
596 | // if there is more than 18 tiles on screen in any direction, do not
|
---|
597 | // load all tiles!
|
---|
598 | if (ts.tooLarge()) {
|
---|
599 | System.out.println("Not downloading all tiles because there is more than 18 tiles on an axis!");
|
---|
600 | return;
|
---|
601 | }
|
---|
602 | ts.loadAllTiles(force);
|
---|
603 | }
|
---|
604 |
|
---|
605 | /*
|
---|
606 | * Attempt to approximate how much the image is being scaled. For instance,
|
---|
607 | * a 100x100 image being scaled to 50x50 would return 0.25.
|
---|
608 | */
|
---|
609 | Image lastScaledImage = null;
|
---|
610 | @Override
|
---|
611 | public boolean imageUpdate(Image img, int infoflags, int x, int y, int width, int height) {
|
---|
612 | boolean done = ((infoflags & (ERROR | FRAMEBITS | ALLBITS)) != 0);
|
---|
613 | needRedraw = true;
|
---|
614 | if (debug) {
|
---|
615 | out("imageUpdate() done: " + done + " calling repaint");
|
---|
616 | }
|
---|
617 | Main.map.repaint(done ? 0 : 100);
|
---|
618 | return !done;
|
---|
619 | }
|
---|
620 | boolean imageLoaded(Image i) {
|
---|
621 | if (i == null)
|
---|
622 | return false;
|
---|
623 | int status = Toolkit.getDefaultToolkit().checkImage(i, -1, -1, this);
|
---|
624 | if ((status & ALLBITS) != 0)
|
---|
625 | return true;
|
---|
626 | return false;
|
---|
627 | }
|
---|
628 | Image getLoadedTileImage(Tile tile)
|
---|
629 | {
|
---|
630 | if (!tile.isLoaded())
|
---|
631 | return null;
|
---|
632 | Image img = tile.getImage();
|
---|
633 | if (!imageLoaded(img))
|
---|
634 | return null;
|
---|
635 | return img;
|
---|
636 | }
|
---|
637 |
|
---|
638 | double getImageScaling(Image img, Rectangle r) {
|
---|
639 | int realWidth = -1;
|
---|
640 | int realHeight = -1;
|
---|
641 | if (img != null) {
|
---|
642 | realWidth = img.getHeight(this);
|
---|
643 | realWidth = img.getWidth(this);
|
---|
644 | }
|
---|
645 | if (realWidth == -1 || realHeight == -1) {
|
---|
646 | /*
|
---|
647 | * We need a good image against which to work. If
|
---|
648 | * the current one isn't loaded, then try the last one.
|
---|
649 | * Should be good enough. If we've never seen one, then
|
---|
650 | * guess.
|
---|
651 | */
|
---|
652 | if (lastScaledImage != null)
|
---|
653 | return getImageScaling(lastScaledImage, r);
|
---|
654 | realWidth = 256;
|
---|
655 | realHeight = 256;
|
---|
656 | } else {
|
---|
657 | lastScaledImage = img;
|
---|
658 | }
|
---|
659 | /*
|
---|
660 | * If the zoom scale gets really, really off, these can get into
|
---|
661 | * the millions, so make this a double to prevent integer
|
---|
662 | * overflows.
|
---|
663 | */
|
---|
664 | double drawWidth = r.width;
|
---|
665 | double drawHeight = r.height;
|
---|
666 | // stem.out.println("drawWidth: " + drawWidth + " drawHeight: " +
|
---|
667 | // drawHeight);
|
---|
668 |
|
---|
669 | double drawArea = drawWidth * drawHeight;
|
---|
670 | double realArea = realWidth * realHeight;
|
---|
671 |
|
---|
672 | return drawArea / realArea;
|
---|
673 | }
|
---|
674 |
|
---|
675 | LatLon tileLatLon(Tile t)
|
---|
676 | {
|
---|
677 | int zoom = t.getZoom();
|
---|
678 | return new LatLon(tileYToLat(t.getYtile(), zoom),
|
---|
679 | tileXToLon(t.getXtile(), zoom));
|
---|
680 | }
|
---|
681 |
|
---|
682 | int paintFromOtherZooms(Graphics g, Tile topLeftTile, Tile botRightTile)
|
---|
683 | {
|
---|
684 | LatLon topLeft = tileLatLon(topLeftTile);
|
---|
685 | LatLon botRight = tileLatLon(botRightTile);
|
---|
686 |
|
---|
687 |
|
---|
688 | /*
|
---|
689 | * Go looking for tiles in zoom levels *other* than the current
|
---|
690 | * one. Even if they might look bad, they look better than a
|
---|
691 | * blank tile.
|
---|
692 | *
|
---|
693 | * Make darn sure that the tilesCache can either hold all of
|
---|
694 | * these "fake" tiles or that they don't get inserted in it to
|
---|
695 | * begin with.
|
---|
696 | */
|
---|
697 | //int otherZooms[] = {-5, -4, -3, 2, -2, 1, -1};
|
---|
698 | int otherZooms[] = { -1, 1, -2, 2, -3, -4, -5};
|
---|
699 | int painted = 0;
|
---|
700 | debug = true;
|
---|
701 | for (int zoomOff : otherZooms) {
|
---|
702 | int zoom = currentZoomLevel + zoomOff;
|
---|
703 | if ((zoom < this.getMinZoomLvl()) ||
|
---|
704 | (zoom > this.getMaxZoomLvl())) {
|
---|
705 | continue;
|
---|
706 | }
|
---|
707 | TileSet ts = new TileSet(topLeft, botRight, zoom);
|
---|
708 | int zoom_painted = 0;
|
---|
709 | this.paintTileImages(g, ts, zoom, null);
|
---|
710 | if (debug && zoom_painted > 0) {
|
---|
711 | out("painted " + zoom_painted + "/"+ ts.size() +
|
---|
712 | " tiles from zoom("+zoomOff+"): " + zoom);
|
---|
713 | }
|
---|
714 | painted += zoom_painted;
|
---|
715 | if (zoom_painted >= ts.size()) {
|
---|
716 | if (debug) {
|
---|
717 | out("broke after drawing " + zoom_painted + "/"+ ts.size() + " at zoomOff: " + zoomOff);
|
---|
718 | }
|
---|
719 | break;
|
---|
720 | }
|
---|
721 | }
|
---|
722 | debug = false;
|
---|
723 | return painted;
|
---|
724 | }
|
---|
725 | Rectangle tileToRect(Tile t1)
|
---|
726 | {
|
---|
727 | /*
|
---|
728 | * We need to get a box in which to draw, so advance by one tile in
|
---|
729 | * each direction to find the other corner of the box.
|
---|
730 | * Note: this somewhat pollutes the tile cache
|
---|
731 | */
|
---|
732 | Tile t2 = tempCornerTile(t1);
|
---|
733 | Rectangle rect = new Rectangle(pixelPos(t1));
|
---|
734 | rect.add(pixelPos(t2));
|
---|
735 | return rect;
|
---|
736 | }
|
---|
737 |
|
---|
738 | // 'source' is the pixel coordinates for the area that
|
---|
739 | // the img is capable of filling in. However, we probably
|
---|
740 | // only want a portion of it.
|
---|
741 | //
|
---|
742 | // 'border' is the screen cordinates that need to be drawn.
|
---|
743 | // We must not draw outside of it.
|
---|
744 | void drawImageInside(Graphics g, Image sourceImg, Rectangle source, Rectangle border)
|
---|
745 | {
|
---|
746 | Rectangle target = source;
|
---|
747 |
|
---|
748 | // If a border is specified, only draw the intersection
|
---|
749 | // if what we have combined with what we are supposed
|
---|
750 | // to draw.
|
---|
751 | if (border != null) {
|
---|
752 | target = source.intersection(border);
|
---|
753 | if (debug) {
|
---|
754 | out("source: " + source + "\nborder: " + border + "\nintersection: " + target);
|
---|
755 | }
|
---|
756 | }
|
---|
757 |
|
---|
758 | // All of the rectangles are in screen coordinates. We need
|
---|
759 | // to how these correlate to the sourceImg pixels. We could
|
---|
760 | // avoid doing this by scaling the image up to the 'source' size,
|
---|
761 | // but this should be cheaper.
|
---|
762 | //
|
---|
763 | // In some projections, x any y are scaled differently enough to
|
---|
764 | // cause a pixel or two of fudge. Calculate them separately.
|
---|
765 | double imageYScaling = sourceImg.getHeight(this) / source.getHeight();
|
---|
766 | double imageXScaling = sourceImg.getWidth(this) / source.getWidth();
|
---|
767 |
|
---|
768 | // How many pixels into the 'source' rectangle are we drawing?
|
---|
769 | int screen_x_offset = target.x - source.x;
|
---|
770 | int screen_y_offset = target.y - source.y;
|
---|
771 | // And how many pixels into the image itself does that
|
---|
772 | // correlate to?
|
---|
773 | int img_x_offset = (int)(screen_x_offset * imageXScaling);
|
---|
774 | int img_y_offset = (int)(screen_y_offset * imageYScaling);
|
---|
775 | // Now calculate the other corner of the image that we need
|
---|
776 | // by scaling the 'target' rectangle's dimensions.
|
---|
777 | int img_x_end = img_x_offset + (int)(target.getWidth() * imageXScaling);
|
---|
778 | int img_y_end = img_y_offset + (int)(target.getHeight() * imageYScaling);
|
---|
779 |
|
---|
780 | if (debug) {
|
---|
781 | out("drawing image into target rect: " + target);
|
---|
782 | }
|
---|
783 | g.drawImage(sourceImg,
|
---|
784 | target.x, target.y,
|
---|
785 | target.x + target.width, target.y + target.height,
|
---|
786 | img_x_offset, img_y_offset,
|
---|
787 | img_x_end, img_y_end,
|
---|
788 | this);
|
---|
789 | if (PROP_FADE_AMOUNT.get() != 0) {
|
---|
790 | // dimm by painting opaque rect...
|
---|
791 | g.setColor(getFadeColorWithAlpha());
|
---|
792 | g.fillRect(target.x, target.y,
|
---|
793 | target.width, target.height);
|
---|
794 | }
|
---|
795 | }
|
---|
796 | Double lastImageScale = null;
|
---|
797 | // This function is called for several zoom levels, not just
|
---|
798 | // the current one. It should not trigger any tiles to be
|
---|
799 | // downloaded. It should also avoid polluting the tile cache
|
---|
800 | // with any tiles since these tiles are not mandatory.
|
---|
801 | //
|
---|
802 | // The "border" tile tells us the boundaries of where we may
|
---|
803 | // draw. It will not be from the zoom level that is being
|
---|
804 | // drawn currently. If drawing the currentZoomLevel,
|
---|
805 | // border is null and we draw the entire tile set.
|
---|
806 | List<Tile> paintTileImages(Graphics g, TileSet ts, int zoom, Tile border) {
|
---|
807 | Rectangle borderRect = null;
|
---|
808 | if (border != null) {
|
---|
809 | borderRect = tileToRect(border);
|
---|
810 | }
|
---|
811 | List<Tile> missedTiles = new LinkedList<Tile>();
|
---|
812 | boolean imageScaleRecorded = false;
|
---|
813 | for (Tile tile : ts.allTiles()) {
|
---|
814 | Image img = getLoadedTileImage(tile);
|
---|
815 | if (img == null) {
|
---|
816 | if (debug) {
|
---|
817 | out("missed tile: " + tile);
|
---|
818 | }
|
---|
819 | missedTiles.add(tile);
|
---|
820 | continue;
|
---|
821 | }
|
---|
822 | Rectangle sourceRect = tileToRect(tile);
|
---|
823 | if (borderRect != null && !sourceRect.intersects(borderRect)) {
|
---|
824 | continue;
|
---|
825 | }
|
---|
826 | drawImageInside(g, img, sourceRect, borderRect);
|
---|
827 | if (!imageScaleRecorded && zoom == currentZoomLevel) {
|
---|
828 | lastImageScale = new Double(getImageScaling(img, sourceRect));
|
---|
829 | imageScaleRecorded = true;
|
---|
830 | }
|
---|
831 | }// end of for
|
---|
832 | return missedTiles;
|
---|
833 | }
|
---|
834 |
|
---|
835 | void myDrawString(Graphics g, String text, int x, int y) {
|
---|
836 | Color oldColor = g.getColor();
|
---|
837 | g.setColor(Color.black);
|
---|
838 | g.drawString(text,x+1,y+1);
|
---|
839 | g.setColor(oldColor);
|
---|
840 | g.drawString(text,x,y);
|
---|
841 | }
|
---|
842 |
|
---|
843 | void paintTileText(TileSet ts, Tile tile, Graphics g, MapView mv, int zoom, Tile t) {
|
---|
844 | int fontHeight = g.getFontMetrics().getHeight();
|
---|
845 | if (tile == null)
|
---|
846 | return;
|
---|
847 | Point p = pixelPos(t);
|
---|
848 | int texty = p.y + 2 + fontHeight;
|
---|
849 |
|
---|
850 | if (PROP_DRAW_DEBUG.get()) {
|
---|
851 | myDrawString(g, "x=" + t.getXtile() + " y=" + t.getYtile() + " z=" + zoom + "", p.x + 2, texty);
|
---|
852 | texty += 1 + fontHeight;
|
---|
853 | if ((t.getXtile() % 32 == 0) && (t.getYtile() % 32 == 0)) {
|
---|
854 | myDrawString(g, "x=" + t.getXtile() / 32 + " y=" + t.getYtile() / 32 + " z=7", p.x + 2, texty);
|
---|
855 | texty += 1 + fontHeight;
|
---|
856 | }
|
---|
857 | }// end of if draw debug
|
---|
858 |
|
---|
859 | if (tile == showMetadataTile) {
|
---|
860 | String md = tile.toString();
|
---|
861 | if (md != null) {
|
---|
862 | myDrawString(g, md, p.x + 2, texty);
|
---|
863 | texty += 1 + fontHeight;
|
---|
864 | }
|
---|
865 | Map<String, String> meta = tile.getMetadata();
|
---|
866 | if (meta != null) {
|
---|
867 | for (Map.Entry<String, String> entry : meta.entrySet()) {
|
---|
868 | myDrawString(g, entry.getKey() + ": " + entry.getValue(), p.x + 2, texty);
|
---|
869 | texty += 1 + fontHeight;
|
---|
870 | }
|
---|
871 | }
|
---|
872 | }
|
---|
873 |
|
---|
874 | String tileStatus = tile.getStatus();
|
---|
875 | if (!tile.isLoaded() && PROP_DRAW_DEBUG.get()) {
|
---|
876 | myDrawString(g, tr("image " + tileStatus), p.x + 2, texty);
|
---|
877 | texty += 1 + fontHeight;
|
---|
878 | }
|
---|
879 |
|
---|
880 | int xCursor = -1;
|
---|
881 | int yCursor = -1;
|
---|
882 | if (PROP_DRAW_DEBUG.get()) {
|
---|
883 | if (yCursor < t.getYtile()) {
|
---|
884 | if (t.getYtile() % 32 == 31) {
|
---|
885 | g.fillRect(0, p.y - 1, mv.getWidth(), 3);
|
---|
886 | } else {
|
---|
887 | g.drawLine(0, p.y, mv.getWidth(), p.y);
|
---|
888 | }
|
---|
889 | yCursor = t.getYtile();
|
---|
890 | }
|
---|
891 | // This draws the vertical lines for the entire
|
---|
892 | // column. Only draw them for the top tile in
|
---|
893 | // the column.
|
---|
894 | if (xCursor < t.getXtile()) {
|
---|
895 | if (t.getXtile() % 32 == 0) {
|
---|
896 | // level 7 tile boundary
|
---|
897 | g.fillRect(p.x - 1, 0, 3, mv.getHeight());
|
---|
898 | } else {
|
---|
899 | g.drawLine(p.x, 0, p.x, mv.getHeight());
|
---|
900 | }
|
---|
901 | xCursor = t.getXtile();
|
---|
902 | }
|
---|
903 | }
|
---|
904 | }
|
---|
905 |
|
---|
906 | private Point pixelPos(LatLon ll) {
|
---|
907 | return Main.map.mapView.getPoint(Main.proj.latlon2eastNorth(ll).add(getDx(), getDy()));
|
---|
908 | }
|
---|
909 | private Point pixelPos(Tile t) {
|
---|
910 | double lon = tileXToLon(t.getXtile(), t.getZoom());
|
---|
911 | LatLon tmpLL = new LatLon(tileYToLat(t.getYtile(), t.getZoom()), lon);
|
---|
912 | return pixelPos(tmpLL);
|
---|
913 | }
|
---|
914 | private LatLon getShiftedLatLon(EastNorth en) {
|
---|
915 | return Main.proj.eastNorth2latlon(en.add(-getDx(), -getDy()));
|
---|
916 | }
|
---|
917 | private Coordinate getShiftedCoord(EastNorth en) {
|
---|
918 | LatLon ll = getShiftedLatLon(en);
|
---|
919 | return new Coordinate(ll.lat(),ll.lon());
|
---|
920 | }
|
---|
921 | private class TileSet {
|
---|
922 | int z12x0, z12x1, z12y0, z12y1;
|
---|
923 | int zoom;
|
---|
924 | int tileMax = -1;
|
---|
925 |
|
---|
926 | /**
|
---|
927 | * Create a TileSet by EastNorth bbox taking a layer shift in account
|
---|
928 | */
|
---|
929 | TileSet(EastNorth topLeft, EastNorth botRight, int zoom) {
|
---|
930 | this(getShiftedLatLon(topLeft), getShiftedLatLon(botRight),zoom);
|
---|
931 | }
|
---|
932 |
|
---|
933 | /**
|
---|
934 | * Create a TileSet by known LatLon bbox without layer shift correction
|
---|
935 | */
|
---|
936 | TileSet(LatLon topLeft, LatLon botRight, int zoom) {
|
---|
937 | this.zoom = zoom;
|
---|
938 |
|
---|
939 | z12x0 = lonToTileX(topLeft.lon(), zoom);
|
---|
940 | z12y0 = latToTileY(topLeft.lat(), zoom);
|
---|
941 | z12x1 = lonToTileX(botRight.lon(), zoom);
|
---|
942 | z12y1 = latToTileY(botRight.lat(), zoom);
|
---|
943 | if (z12x0 > z12x1) {
|
---|
944 | int tmp = z12x0;
|
---|
945 | z12x0 = z12x1;
|
---|
946 | z12x1 = tmp;
|
---|
947 | }
|
---|
948 | if (z12y0 > z12y1) {
|
---|
949 | int tmp = z12y0;
|
---|
950 | z12y0 = z12y1;
|
---|
951 | z12y1 = tmp;
|
---|
952 | }
|
---|
953 | tileMax = (int)Math.pow(2.0, zoom);
|
---|
954 | if (z12x0 < 0) {
|
---|
955 | z12x0 = 0;
|
---|
956 | }
|
---|
957 | if (z12y0 < 0) {
|
---|
958 | z12y0 = 0;
|
---|
959 | }
|
---|
960 | if (z12x1 > tileMax) {
|
---|
961 | z12x1 = tileMax;
|
---|
962 | }
|
---|
963 | if (z12y1 > tileMax) {
|
---|
964 | z12y1 = tileMax;
|
---|
965 | }
|
---|
966 | }
|
---|
967 | boolean tooSmall() {
|
---|
968 | return this.tilesSpanned() < 2.1;
|
---|
969 | }
|
---|
970 | boolean tooLarge() {
|
---|
971 | return this.tilesSpanned() > 10;
|
---|
972 | }
|
---|
973 | boolean insane() {
|
---|
974 | return this.tilesSpanned() > 100;
|
---|
975 | }
|
---|
976 | double tilesSpanned() {
|
---|
977 | return Math.sqrt(1.0 * this.size());
|
---|
978 | }
|
---|
979 |
|
---|
980 | double size() {
|
---|
981 | double x_span = z12x1 - z12x0 + 1.0;
|
---|
982 | double y_span = z12y1 - z12y0 + 1.0;
|
---|
983 | return x_span * y_span;
|
---|
984 | }
|
---|
985 |
|
---|
986 | /*
|
---|
987 | * Get all tiles represented by this TileSet that are
|
---|
988 | * already in the tileCache.
|
---|
989 | */
|
---|
990 | List<Tile> allTiles()
|
---|
991 | {
|
---|
992 | return this.allTiles(false);
|
---|
993 | }
|
---|
994 | private List<Tile> allTiles(boolean create)
|
---|
995 | {
|
---|
996 | List<Tile> ret = new ArrayList<Tile>();
|
---|
997 | // Don't even try to iterate over the set.
|
---|
998 | // Someone created a crazy number of them
|
---|
999 | if (this.insane())
|
---|
1000 | return ret;
|
---|
1001 | for (int x = z12x0; x <= z12x1; x++) {
|
---|
1002 | for (int y = z12y0; y <= z12y1; y++) {
|
---|
1003 | Tile t;
|
---|
1004 | if (create) {
|
---|
1005 | t = getOrCreateTile(x % tileMax, y % tileMax, zoom);
|
---|
1006 | } else {
|
---|
1007 | t = getTile(x % tileMax, y % tileMax, zoom);
|
---|
1008 | }
|
---|
1009 | if (t != null) {
|
---|
1010 | ret.add(t);
|
---|
1011 | }
|
---|
1012 | }
|
---|
1013 | }
|
---|
1014 | return ret;
|
---|
1015 | }
|
---|
1016 | void loadAllTiles(boolean force)
|
---|
1017 | {
|
---|
1018 | List<Tile> tiles = this.allTiles(true);
|
---|
1019 | if (!autoLoad && !force)
|
---|
1020 | return;
|
---|
1021 | int nr_queued = 0;
|
---|
1022 | for (Tile t : tiles) {
|
---|
1023 | if (loadTile(t)) {
|
---|
1024 | nr_queued++;
|
---|
1025 | }
|
---|
1026 | }
|
---|
1027 | if (debug)
|
---|
1028 | if (nr_queued > 0) {
|
---|
1029 | out("queued to load: " + nr_queued + "/" + tiles.size() + " tiles at zoom: " + zoom);
|
---|
1030 | }
|
---|
1031 | }
|
---|
1032 | }
|
---|
1033 |
|
---|
1034 | boolean az_disable = false;
|
---|
1035 | boolean autoZoomEnabled()
|
---|
1036 | {
|
---|
1037 | if (az_disable)
|
---|
1038 | return false;
|
---|
1039 | return autoZoom;
|
---|
1040 | }
|
---|
1041 | /**
|
---|
1042 | */
|
---|
1043 | @Override
|
---|
1044 | public void paint(Graphics2D g, MapView mv, Bounds bounds) {
|
---|
1045 | //long start = System.currentTimeMillis();
|
---|
1046 | EastNorth topLeft = mv.getEastNorth(0, 0);
|
---|
1047 | EastNorth botRight = mv.getEastNorth(mv.getWidth(), mv.getHeight());
|
---|
1048 |
|
---|
1049 | if (botRight.east() == 0.0 || botRight.north() == 0) {
|
---|
1050 | Main.debug("still initializing??");
|
---|
1051 | // probably still initializing
|
---|
1052 | return;
|
---|
1053 | }
|
---|
1054 |
|
---|
1055 | needRedraw = false;
|
---|
1056 |
|
---|
1057 | int zoom = currentZoomLevel;
|
---|
1058 | TileSet ts = new TileSet(topLeft, botRight, zoom);
|
---|
1059 |
|
---|
1060 | if (autoZoomEnabled()) {
|
---|
1061 | if (zoomDecreaseAllowed() && ts.tooLarge()) {
|
---|
1062 | if (debug) {
|
---|
1063 | out("too many tiles, decreasing zoom from " + currentZoomLevel);
|
---|
1064 | }
|
---|
1065 | if (decreaseZoomLevel()) {
|
---|
1066 | this.paint(g, mv, bounds);
|
---|
1067 | }
|
---|
1068 | return;
|
---|
1069 | }
|
---|
1070 | if (zoomIncreaseAllowed() && ts.tooSmall()) {
|
---|
1071 | if (debug) {
|
---|
1072 | out("too zoomed in, (" + ts.tilesSpanned()
|
---|
1073 | + "), increasing zoom from " + currentZoomLevel);
|
---|
1074 | }
|
---|
1075 | // This is a hack. ts.tooSmall() is proabably a bad thing, and this works
|
---|
1076 | // around it. If we have a very small window, the tileSet may be well
|
---|
1077 | // less than 1 real tile wide, but that's expected. But, this sees the
|
---|
1078 | // tile set as too small and zooms in. The code below that checks for
|
---|
1079 | // pixel stretching disagrees and tries to zoom out. Both calls recurse,
|
---|
1080 | // hillarity ensues, and the stack overflows.
|
---|
1081 | //
|
---|
1082 | // This really needs to get fixed properly. We probably shouldn't even
|
---|
1083 | // have the tooSmall() check on tileSets. But, this also helps the zoom
|
---|
1084 | // converge to the correct place much faster.
|
---|
1085 | boolean tmp = az_disable;
|
---|
1086 | az_disable = true;
|
---|
1087 | if (increaseZoomLevel()) {
|
---|
1088 | this.paint(g, mv, bounds);
|
---|
1089 | }
|
---|
1090 | az_disable = tmp;
|
---|
1091 | return;
|
---|
1092 | }
|
---|
1093 | }
|
---|
1094 |
|
---|
1095 | // Too many tiles... refuse to draw
|
---|
1096 | if (!ts.tooLarge()) {
|
---|
1097 | //out("size: " + ts.size() + " spanned: " + ts.tilesSpanned());
|
---|
1098 | ts.loadAllTiles(false);
|
---|
1099 | }
|
---|
1100 |
|
---|
1101 | g.setColor(Color.DARK_GRAY);
|
---|
1102 |
|
---|
1103 | List<Tile> missedTiles = this.paintTileImages(g, ts, currentZoomLevel, null);
|
---|
1104 | int otherZooms[] = { -1, 1, -2, 2, -3, -4, -5};
|
---|
1105 | for (int zoomOffset : otherZooms) {
|
---|
1106 | if (!autoZoomEnabled()) {
|
---|
1107 | break;
|
---|
1108 | }
|
---|
1109 | if (!autoLoad) {
|
---|
1110 | break;
|
---|
1111 | }
|
---|
1112 | int newzoom = currentZoomLevel + zoomOffset;
|
---|
1113 | if (missedTiles.size() <= 0) {
|
---|
1114 | break;
|
---|
1115 | }
|
---|
1116 | List<Tile> newlyMissedTiles = new LinkedList<Tile>();
|
---|
1117 | for (Tile missed : missedTiles) {
|
---|
1118 | Tile t2 = tempCornerTile(missed);
|
---|
1119 | LatLon topLeft2 = tileLatLon(missed);
|
---|
1120 | LatLon botRight2 = tileLatLon(t2);
|
---|
1121 | TileSet ts2 = new TileSet(topLeft2, botRight2, newzoom);
|
---|
1122 | if (ts2.tooLarge()) {
|
---|
1123 | continue;
|
---|
1124 | }
|
---|
1125 | newlyMissedTiles.addAll(this.paintTileImages(g, ts2, newzoom, missed));
|
---|
1126 | }
|
---|
1127 | missedTiles = newlyMissedTiles;
|
---|
1128 | }
|
---|
1129 | if (debug && missedTiles.size() > 0) {
|
---|
1130 | out("still missed "+missedTiles.size()+" in the end");
|
---|
1131 | }
|
---|
1132 | g.setColor(Color.red);
|
---|
1133 | g.setFont(InfoFont);
|
---|
1134 |
|
---|
1135 | // The current zoom tileset is guaranteed to have all of
|
---|
1136 | // its tiles
|
---|
1137 | for (Tile t : ts.allTiles()) {
|
---|
1138 | this.paintTileText(ts, t, g, mv, currentZoomLevel, t);
|
---|
1139 | }
|
---|
1140 |
|
---|
1141 | if (tileSource.requiresAttribution()) {
|
---|
1142 | // Draw attribution
|
---|
1143 | Font font = g.getFont();
|
---|
1144 | g.setFont(ATTR_LINK_FONT);
|
---|
1145 | g.setColor(Color.white);
|
---|
1146 |
|
---|
1147 | // Draw terms of use text
|
---|
1148 | Rectangle2D termsStringBounds = g.getFontMetrics().getStringBounds("Background Terms of Use", g);
|
---|
1149 | int textHeight = (int) termsStringBounds.getHeight() - 5;
|
---|
1150 | int textWidth = (int) termsStringBounds.getWidth();
|
---|
1151 | int termsTextY = mv.getHeight() - textHeight;
|
---|
1152 | if(attrTermsUrl != null) {
|
---|
1153 | int x = 2;
|
---|
1154 | int y = mv.getHeight() - textHeight;
|
---|
1155 | attrToUBounds = new Rectangle(x, y, textWidth, textHeight);
|
---|
1156 | myDrawString(g, "Background Terms of Use", x, y);
|
---|
1157 | }
|
---|
1158 |
|
---|
1159 | // Draw attribution logo
|
---|
1160 | int imgWidth = attrImage.getWidth(this);
|
---|
1161 | if(attrImage != null) {
|
---|
1162 | int x = 2;
|
---|
1163 | int height = attrImage.getHeight(this);
|
---|
1164 | int y = termsTextY - height - textHeight - 5;
|
---|
1165 | attrImageBounds = new Rectangle(x, y, imgWidth, height);
|
---|
1166 | g.drawImage(attrImage, x, y, this);
|
---|
1167 | }
|
---|
1168 |
|
---|
1169 | g.setFont(ATTR_FONT);
|
---|
1170 | String attributionText = tileSource.getAttributionText(currentZoomLevel,
|
---|
1171 | getShiftedCoord(topLeft), getShiftedCoord(botRight));
|
---|
1172 | Rectangle2D stringBounds = g.getFontMetrics().getStringBounds(attributionText, g);
|
---|
1173 | {
|
---|
1174 | int x = mv.getWidth() - (int) stringBounds.getWidth();
|
---|
1175 | int y = mv.getHeight() - textHeight;
|
---|
1176 | myDrawString(g, attributionText, x, y);
|
---|
1177 | }
|
---|
1178 |
|
---|
1179 | g.setFont(font);
|
---|
1180 | }
|
---|
1181 |
|
---|
1182 | if (autoZoomEnabled() && lastImageScale != null) {
|
---|
1183 | // If each source image pixel is being stretched into > 3
|
---|
1184 | // drawn pixels, zoom in... getting too pixelated
|
---|
1185 | if (lastImageScale > 3 && zoomIncreaseAllowed()) {
|
---|
1186 | if (debug) {
|
---|
1187 | out("autozoom increase: scale: " + lastImageScale);
|
---|
1188 | }
|
---|
1189 | increaseZoomLevel();
|
---|
1190 | this.paint(g, mv, bounds);
|
---|
1191 | // If each source image pixel is being squished into > 0.32
|
---|
1192 | // of a drawn pixels, zoom out.
|
---|
1193 | } else if ((lastImageScale < 0.45) && (lastImageScale > 0) && zoomDecreaseAllowed()) {
|
---|
1194 | if (debug) {
|
---|
1195 | out("autozoom decrease: scale: " + lastImageScale);
|
---|
1196 | }
|
---|
1197 | decreaseZoomLevel();
|
---|
1198 | this.paint(g, mv, bounds);
|
---|
1199 | }
|
---|
1200 | }
|
---|
1201 | //g.drawString("currentZoomLevel=" + currentZoomLevel, 120, 120);
|
---|
1202 | g.setColor(Color.black);
|
---|
1203 | if (ts.insane()) {
|
---|
1204 | myDrawString(g, "zoom in to load any tiles", 120, 120);
|
---|
1205 | } else if (ts.tooLarge()) {
|
---|
1206 | myDrawString(g, "zoom in to load more tiles", 120, 120);
|
---|
1207 | } else if (ts.tooSmall()) {
|
---|
1208 | myDrawString(g, "increase zoom level to see more detail", 120, 120);
|
---|
1209 | }
|
---|
1210 | }// end of paint method
|
---|
1211 |
|
---|
1212 | /**
|
---|
1213 | * This isn't very efficient, but it is only used when the
|
---|
1214 | * user right-clicks on the map.
|
---|
1215 | */
|
---|
1216 | Tile getTileForPixelpos(int px, int py) {
|
---|
1217 | if (debug) {
|
---|
1218 | out("getTileForPixelpos("+px+", "+py+")");
|
---|
1219 | }
|
---|
1220 | MapView mv = Main.map.mapView;
|
---|
1221 | Point clicked = new Point(px, py);
|
---|
1222 | EastNorth topLeft = mv.getEastNorth(0, 0);
|
---|
1223 | EastNorth botRight = mv.getEastNorth(mv.getWidth(), mv.getHeight());
|
---|
1224 | int z = currentZoomLevel;
|
---|
1225 | TileSet ts = new TileSet(topLeft, botRight, z);
|
---|
1226 |
|
---|
1227 | if (!ts.tooLarge()) {
|
---|
1228 | ts.loadAllTiles(false); // make sure there are tile objects for all tiles
|
---|
1229 | }
|
---|
1230 | Tile clickedTile = null;
|
---|
1231 | for (Tile t1 : ts.allTiles()) {
|
---|
1232 | Tile t2 = tempCornerTile(t1);
|
---|
1233 | Rectangle r = new Rectangle(pixelPos(t1));
|
---|
1234 | r.add(pixelPos(t2));
|
---|
1235 | if (debug) {
|
---|
1236 | out("r: " + r + " clicked: " + clicked);
|
---|
1237 | }
|
---|
1238 | if (!r.contains(clicked)) {
|
---|
1239 | continue;
|
---|
1240 | }
|
---|
1241 | clickedTile = t1;
|
---|
1242 | break;
|
---|
1243 | }
|
---|
1244 | if (clickedTile == null)
|
---|
1245 | return null;
|
---|
1246 | System.out.println("clicked on tile: " + clickedTile.getXtile() + " " + clickedTile.getYtile() +
|
---|
1247 | " scale: " + lastImageScale + " currentZoomLevel: " + currentZoomLevel);
|
---|
1248 | return clickedTile;
|
---|
1249 | }
|
---|
1250 |
|
---|
1251 | @Override
|
---|
1252 | public Action[] getMenuEntries() {
|
---|
1253 | return new Action[] {
|
---|
1254 | LayerListDialog.getInstance().createShowHideLayerAction(),
|
---|
1255 | LayerListDialog.getInstance().createDeleteLayerAction(),
|
---|
1256 | SeparatorLayerAction.INSTANCE,
|
---|
1257 | // color,
|
---|
1258 | new OffsetAction(),
|
---|
1259 | new RenameLayerAction(this.getAssociatedFile(), this),
|
---|
1260 | SeparatorLayerAction.INSTANCE,
|
---|
1261 | new LayerListPopup.InfoAction(this) };
|
---|
1262 | }
|
---|
1263 |
|
---|
1264 | @Override
|
---|
1265 | public String getToolTipText() {
|
---|
1266 | return null;
|
---|
1267 | }
|
---|
1268 |
|
---|
1269 | @Override
|
---|
1270 | public void visitBoundingBox(BoundingXYVisitor v) {
|
---|
1271 | }
|
---|
1272 |
|
---|
1273 | @Override
|
---|
1274 | public boolean isChanged() {
|
---|
1275 | return needRedraw;
|
---|
1276 | }
|
---|
1277 |
|
---|
1278 | private int latToTileY(double lat, int zoom) {
|
---|
1279 | double l = lat / 180 * Math.PI;
|
---|
1280 | double pf = Math.log(Math.tan(l) + (1 / Math.cos(l)));
|
---|
1281 | return (int) (Math.pow(2.0, zoom - 1) * (Math.PI - pf) / Math.PI);
|
---|
1282 | }
|
---|
1283 |
|
---|
1284 | private int lonToTileX(double lon, int zoom) {
|
---|
1285 | return (int) (Math.pow(2.0, zoom - 3) * (lon + 180.0) / 45.0);
|
---|
1286 | }
|
---|
1287 |
|
---|
1288 | private double tileYToLat(int y, int zoom) {
|
---|
1289 | return Math.atan(Math.sinh(Math.PI
|
---|
1290 | - (Math.PI * y / Math.pow(2.0, zoom - 1))))
|
---|
1291 | * 180 / Math.PI;
|
---|
1292 | }
|
---|
1293 |
|
---|
1294 | private double tileXToLon(int x, int zoom) {
|
---|
1295 | return x * 45.0 / Math.pow(2.0, zoom - 3) - 180.0;
|
---|
1296 | }
|
---|
1297 | }
|
---|