001// License: GPL. For details, see LICENSE file. 002package org.openstreetmap.josm.gui.mappaint.styleelement; 003 004import java.awt.BasicStroke; 005import java.awt.Color; 006import java.awt.Rectangle; 007import java.awt.Stroke; 008import java.util.Objects; 009 010import org.openstreetmap.josm.Main; 011import org.openstreetmap.josm.data.osm.Node; 012import org.openstreetmap.josm.data.osm.OsmPrimitive; 013import org.openstreetmap.josm.data.osm.Relation; 014import org.openstreetmap.josm.data.osm.visitor.paint.MapPaintSettings; 015import org.openstreetmap.josm.data.osm.visitor.paint.StyledMapRenderer; 016import org.openstreetmap.josm.gui.mappaint.Cascade; 017import org.openstreetmap.josm.gui.mappaint.Environment; 018import org.openstreetmap.josm.gui.mappaint.Keyword; 019import org.openstreetmap.josm.gui.mappaint.MapPaintStyles.IconReference; 020import org.openstreetmap.josm.gui.mappaint.MultiCascade; 021import org.openstreetmap.josm.gui.mappaint.StyleElementList; 022import org.openstreetmap.josm.gui.mappaint.styleelement.BoxTextElement.BoxProvider; 023import org.openstreetmap.josm.gui.mappaint.styleelement.BoxTextElement.SimpleBoxProvider; 024import org.openstreetmap.josm.gui.util.RotationAngle; 025import org.openstreetmap.josm.tools.Utils; 026 027/** 028 * applies for Nodes and turn restriction relations 029 */ 030public class NodeElement extends StyleElement { 031 public final MapImage mapImage; 032 public final RotationAngle mapImageAngle; 033 public final Symbol symbol; 034 035 public enum SymbolShape { SQUARE, CIRCLE, TRIANGLE, PENTAGON, HEXAGON, HEPTAGON, OCTAGON, NONAGON, DECAGON } 036 037 public static class Symbol { 038 public SymbolShape symbol; 039 public int size; 040 public Stroke stroke; 041 public Color strokeColor; 042 public Color fillColor; 043 044 public Symbol(SymbolShape symbol, int size, Stroke stroke, Color strokeColor, Color fillColor) { 045 if (stroke != null && strokeColor == null) 046 throw new IllegalArgumentException("Stroke given without color"); 047 if (stroke == null && fillColor == null) 048 throw new IllegalArgumentException("Either a stroke or a fill color must be given"); 049 this.symbol = symbol; 050 this.size = size; 051 this.stroke = stroke; 052 this.strokeColor = strokeColor; 053 this.fillColor = fillColor; 054 } 055 056 @Override 057 public boolean equals(Object obj) { 058 if (obj == null || getClass() != obj.getClass()) 059 return false; 060 final Symbol other = (Symbol) obj; 061 return symbol == other.symbol && 062 size == other.size && 063 Objects.equals(stroke, other.stroke) && 064 Objects.equals(strokeColor, other.strokeColor) && 065 Objects.equals(fillColor, other.fillColor); 066 } 067 068 @Override 069 public int hashCode() { 070 int hash = 7; 071 hash = 67 * hash + symbol.hashCode(); 072 hash = 67 * hash + size; 073 hash = 67 * hash + (stroke != null ? stroke.hashCode() : 0); 074 hash = 67 * hash + (strokeColor != null ? strokeColor.hashCode() : 0); 075 hash = 67 * hash + (fillColor != null ? fillColor.hashCode() : 0); 076 return hash; 077 } 078 079 @Override 080 public String toString() { 081 return "symbol=" + symbol + " size=" + size + 082 (stroke != null ? " stroke=" + stroke + " strokeColor=" + strokeColor : "") + 083 (fillColor != null ? " fillColor=" + fillColor : ""); 084 } 085 } 086 087 public static final NodeElement SIMPLE_NODE_ELEMSTYLE; 088 public static final BoxProvider SIMPLE_NODE_ELEMSTYLE_BOXPROVIDER; 089 static { 090 MultiCascade mc = new MultiCascade(); 091 mc.getOrCreateCascade("default"); 092 SIMPLE_NODE_ELEMSTYLE = create(new Environment(null, mc, "default", null), 4.1f, true); 093 if (SIMPLE_NODE_ELEMSTYLE == null) throw new AssertionError(); 094 SIMPLE_NODE_ELEMSTYLE_BOXPROVIDER = SIMPLE_NODE_ELEMSTYLE.getBoxProvider(); 095 } 096 097 public static final StyleElementList DEFAULT_NODE_STYLELIST = new StyleElementList(NodeElement.SIMPLE_NODE_ELEMSTYLE); 098 public static final StyleElementList DEFAULT_NODE_STYLELIST_TEXT = new StyleElementList(NodeElement.SIMPLE_NODE_ELEMSTYLE, 099 BoxTextElement.SIMPLE_NODE_TEXT_ELEMSTYLE); 100 101 protected NodeElement(Cascade c, MapImage mapImage, Symbol symbol, float default_major_z_index, RotationAngle rotationAngle) { 102 super(c, default_major_z_index); 103 this.mapImage = mapImage; 104 this.symbol = symbol; 105 this.mapImageAngle = rotationAngle; 106 } 107 108 public static NodeElement create(Environment env) { 109 return create(env, 4f, false); 110 } 111 112 private static NodeElement create(Environment env, float default_major_z_index, boolean allowDefault) { 113 Cascade c = env.mc.getCascade(env.layer); 114 115 MapImage mapImage = createIcon(env, ICON_KEYS); 116 Symbol symbol = null; 117 if (mapImage == null) { 118 symbol = createSymbol(env); 119 } 120 RotationAngle rotationAngle = null; 121 final Float angle = c.get(ICON_ROTATION, null, Float.class, true); 122 if (angle != null) { 123 rotationAngle = RotationAngle.buildStaticRotation(angle); 124 } else { 125 final Keyword rotationKW = c.get(ICON_ROTATION, null, Keyword.class); 126 if (rotationKW != null) { 127 if ("way".equals(rotationKW.val)) { 128 rotationAngle = RotationAngle.buildWayDirectionRotation(); 129 } else { 130 try { 131 rotationAngle = RotationAngle.buildStaticRotation(rotationKW.val); 132 } catch (IllegalArgumentException ignore) { 133 if (Main.isTraceEnabled()) { 134 Main.trace(ignore.getMessage()); 135 } 136 } 137 } 138 } 139 } 140 141 // optimization: if we neither have a symbol, nor a mapImage 142 // we don't have to check for the remaining style properties and we don't 143 // have to allocate a node element style. 144 if (!allowDefault && symbol == null && mapImage == null) return null; 145 146 return new NodeElement(c, mapImage, symbol, default_major_z_index, rotationAngle); 147 } 148 149 public static MapImage createIcon(final Environment env, final String[] keys) { 150 Cascade c = env.mc.getCascade(env.layer); 151 152 final IconReference iconRef = c.get(keys[ICON_IMAGE_IDX], null, IconReference.class, true); 153 if (iconRef == null) 154 return null; 155 156 Cascade c_def = env.mc.getCascade("default"); 157 158 Float widthOnDefault = c_def.get(keys[ICON_WIDTH_IDX], null, Float.class); 159 if (widthOnDefault != null && widthOnDefault <= 0) { 160 widthOnDefault = null; 161 } 162 Float widthF = getWidth(c, keys[ICON_WIDTH_IDX], widthOnDefault); 163 164 Float heightOnDefault = c_def.get(keys[ICON_HEIGHT_IDX], null, Float.class); 165 if (heightOnDefault != null && heightOnDefault <= 0) { 166 heightOnDefault = null; 167 } 168 Float heightF = getWidth(c, keys[ICON_HEIGHT_IDX], heightOnDefault); 169 170 int width = widthF == null ? -1 : Math.round(widthF); 171 int height = heightF == null ? -1 : Math.round(heightF); 172 173 float offsetXF = 0f; 174 float offsetYF = 0f; 175 if (keys[ICON_OFFSET_X_IDX] != null) { 176 offsetXF = c.get(keys[ICON_OFFSET_X_IDX], 0f, Float.class); 177 offsetYF = c.get(keys[ICON_OFFSET_Y_IDX], 0f, Float.class); 178 } 179 180 final MapImage mapImage = new MapImage(iconRef.iconName, iconRef.source); 181 182 mapImage.width = width; 183 mapImage.height = height; 184 mapImage.offsetX = Math.round(offsetXF); 185 mapImage.offsetY = Math.round(offsetYF); 186 187 mapImage.alpha = Math.min(255, Math.max(0, Integer.valueOf(Main.pref.getInteger("mappaint.icon-image-alpha", 255)))); 188 Integer pAlpha = Utils.color_float2int(c.get(keys[ICON_OPACITY_IDX], null, float.class)); 189 if (pAlpha != null) { 190 mapImage.alpha = pAlpha; 191 } 192 return mapImage; 193 } 194 195 private static Symbol createSymbol(Environment env) { 196 Cascade c = env.mc.getCascade(env.layer); 197 Cascade c_def = env.mc.getCascade("default"); 198 199 SymbolShape shape; 200 Keyword shapeKW = c.get("symbol-shape", null, Keyword.class); 201 if (shapeKW == null) 202 return null; 203 if ("square".equals(shapeKW.val)) { 204 shape = SymbolShape.SQUARE; 205 } else if ("circle".equals(shapeKW.val)) { 206 shape = SymbolShape.CIRCLE; 207 } else if ("triangle".equals(shapeKW.val)) { 208 shape = SymbolShape.TRIANGLE; 209 } else if ("pentagon".equals(shapeKW.val)) { 210 shape = SymbolShape.PENTAGON; 211 } else if ("hexagon".equals(shapeKW.val)) { 212 shape = SymbolShape.HEXAGON; 213 } else if ("heptagon".equals(shapeKW.val)) { 214 shape = SymbolShape.HEPTAGON; 215 } else if ("octagon".equals(shapeKW.val)) { 216 shape = SymbolShape.OCTAGON; 217 } else if ("nonagon".equals(shapeKW.val)) { 218 shape = SymbolShape.NONAGON; 219 } else if ("decagon".equals(shapeKW.val)) { 220 shape = SymbolShape.DECAGON; 221 } else 222 return null; 223 224 Float sizeOnDefault = c_def.get("symbol-size", null, Float.class); 225 if (sizeOnDefault != null && sizeOnDefault <= 0) { 226 sizeOnDefault = null; 227 } 228 Float size = getWidth(c, "symbol-size", sizeOnDefault); 229 230 if (size == null) { 231 size = 10f; 232 } 233 234 if (size <= 0) 235 return null; 236 237 Float strokeWidthOnDefault = getWidth(c_def, "symbol-stroke-width", null); 238 Float strokeWidth = getWidth(c, "symbol-stroke-width", strokeWidthOnDefault); 239 240 Color strokeColor = c.get("symbol-stroke-color", null, Color.class); 241 242 if (strokeWidth == null && strokeColor != null) { 243 strokeWidth = 1f; 244 } else if (strokeWidth != null && strokeColor == null) { 245 strokeColor = Color.ORANGE; 246 } 247 248 Stroke stroke = null; 249 if (strokeColor != null) { 250 Integer strokeAlpha = Utils.color_float2int(c.get("symbol-stroke-opacity", null, Float.class)); 251 if (strokeAlpha != null) { 252 strokeColor = new Color(strokeColor.getRed(), strokeColor.getGreen(), 253 strokeColor.getBlue(), strokeAlpha); 254 } 255 stroke = new BasicStroke(strokeWidth); 256 } 257 258 Color fillColor = c.get("symbol-fill-color", null, Color.class); 259 if (stroke == null && fillColor == null) { 260 fillColor = Color.BLUE; 261 } 262 263 if (fillColor != null) { 264 Integer fillAlpha = Utils.color_float2int(c.get("symbol-fill-opacity", null, Float.class)); 265 if (fillAlpha != null) { 266 fillColor = new Color(fillColor.getRed(), fillColor.getGreen(), 267 fillColor.getBlue(), fillAlpha); 268 } 269 } 270 271 return new Symbol(shape, Math.round(size), stroke, strokeColor, fillColor); 272 } 273 274 @Override 275 public void paintPrimitive(OsmPrimitive primitive, MapPaintSettings settings, StyledMapRenderer painter, 276 boolean selected, boolean outermember, boolean member) { 277 if (primitive instanceof Node) { 278 Node n = (Node) primitive; 279 if (mapImage != null && painter.isShowIcons()) { 280 painter.drawNodeIcon(n, mapImage, painter.isInactiveMode() || n.isDisabled(), selected, member, 281 mapImageAngle == null ? 0.0 : mapImageAngle.getRotationAngle(primitive)); 282 } else if (symbol != null) { 283 Color fillColor = symbol.fillColor; 284 if (fillColor != null) { 285 if (painter.isInactiveMode() || n.isDisabled()) { 286 fillColor = settings.getInactiveColor(); 287 } else if (selected) { 288 fillColor = settings.getSelectedColor(fillColor.getAlpha()); 289 } else if (member) { 290 fillColor = settings.getRelationSelectedColor(fillColor.getAlpha()); 291 } 292 } 293 Color strokeColor = symbol.strokeColor; 294 if (strokeColor != null) { 295 if (painter.isInactiveMode() || n.isDisabled()) { 296 strokeColor = settings.getInactiveColor(); 297 } else if (selected) { 298 strokeColor = settings.getSelectedColor(strokeColor.getAlpha()); 299 } else if (member) { 300 strokeColor = settings.getRelationSelectedColor(strokeColor.getAlpha()); 301 } 302 } 303 painter.drawNodeSymbol(n, symbol, fillColor, strokeColor); 304 } else { 305 Color color; 306 boolean isConnection = n.isConnectionNode(); 307 308 if (painter.isInactiveMode() || n.isDisabled()) { 309 color = settings.getInactiveColor(); 310 } else if (selected) { 311 color = settings.getSelectedColor(); 312 } else if (member) { 313 color = settings.getRelationSelectedColor(); 314 } else if (isConnection) { 315 if (n.isTagged()) { 316 color = settings.getTaggedConnectionColor(); 317 } else { 318 color = settings.getConnectionColor(); 319 } 320 } else { 321 if (n.isTagged()) { 322 color = settings.getTaggedColor(); 323 } else { 324 color = settings.getNodeColor(); 325 } 326 } 327 328 final int size = Utils.max(selected ? settings.getSelectedNodeSize() : 0, 329 n.isTagged() ? settings.getTaggedNodeSize() : 0, 330 isConnection ? settings.getConnectionNodeSize() : 0, 331 settings.getUnselectedNodeSize()); 332 333 final boolean fill = (selected && settings.isFillSelectedNode()) || 334 (n.isTagged() && settings.isFillTaggedNode()) || 335 (isConnection && settings.isFillConnectionNode()) || 336 settings.isFillUnselectedNode(); 337 338 painter.drawNode(n, color, size, fill); 339 340 } 341 } else if (primitive instanceof Relation && mapImage != null) { 342 painter.drawRestriction((Relation) primitive, mapImage, painter.isInactiveMode() || primitive.isDisabled()); 343 } 344 } 345 346 public BoxProvider getBoxProvider() { 347 if (mapImage != null) 348 return mapImage.getBoxProvider(); 349 else if (symbol != null) 350 return new SimpleBoxProvider(new Rectangle(-symbol.size/2, -symbol.size/2, symbol.size, symbol.size)); 351 else { 352 // This is only executed once, so no performance concerns. 353 // However, it would be better, if the settings could be changed at runtime. 354 int size = Utils.max( 355 Main.pref.getInteger("mappaint.node.selected-size", 5), 356 Main.pref.getInteger("mappaint.node.unselected-size", 3), 357 Main.pref.getInteger("mappaint.node.connection-size", 5), 358 Main.pref.getInteger("mappaint.node.tagged-size", 3) 359 ); 360 return new SimpleBoxProvider(new Rectangle(-size/2, -size/2, size, size)); 361 } 362 } 363 364 @Override 365 public int hashCode() { 366 int hash = super.hashCode(); 367 hash = 17 * hash + (mapImage != null ? mapImage.hashCode() : 0); 368 hash = 17 * hash + (symbol != null ? symbol.hashCode() : 0); 369 hash = 17 * hash + (mapImageAngle != null ? mapImageAngle.hashCode() : 0); 370 return hash; 371 } 372 373 @Override 374 public boolean equals(Object obj) { 375 if (obj == null || getClass() != obj.getClass()) 376 return false; 377 if (!super.equals(obj)) 378 return false; 379 380 final NodeElement other = (NodeElement) obj; 381 // we should get the same image object due to caching 382 if (!Objects.equals(mapImage, other.mapImage)) 383 return false; 384 if (!Objects.equals(symbol, other.symbol)) 385 return false; 386 if (!Objects.equals(mapImageAngle, other.mapImageAngle)) 387 return false; 388 return true; 389 } 390 391 @Override 392 public String toString() { 393 StringBuilder s = new StringBuilder("NodeElemStyle{"); 394 s.append(super.toString()); 395 if (mapImage != null) { 396 s.append(" icon=[" + mapImage + ']'); 397 } 398 if (symbol != null) { 399 s.append(" symbol=[" + symbol + ']'); 400 } 401 if (mapImageAngle != null) { 402 s.append(" mapImageAngle=[" + mapImageAngle + ']'); 403 } 404 s.append('}'); 405 return s.toString(); 406 } 407}