Index: trunk/src/org/openstreetmap/josm/data/validation/TestError.java =================================================================== --- trunk/src/org/openstreetmap/josm/data/validation/TestError.java (revision 15937) +++ trunk/src/org/openstreetmap/josm/data/validation/TestError.java (revision 15938) @@ -2,5 +2,8 @@ package org.openstreetmap.josm.data.validation; +import java.awt.geom.Area; +import java.awt.geom.PathIterator; import java.text.MessageFormat; +import java.util.ArrayList; import java.util.Arrays; import java.util.Collection; @@ -12,4 +15,5 @@ import org.openstreetmap.josm.command.Command; +import org.openstreetmap.josm.data.coor.EastNorth; import org.openstreetmap.josm.data.osm.Node; import org.openstreetmap.josm.data.osm.OsmPrimitive; @@ -189,4 +193,16 @@ /** + * Sets an area to highlight when selecting this error. + * + * @param highlighted the area to highlight + * @return {@code this} + */ + public Builder highlight(Area highlighted) { + CheckParameterUtil.ensureParameterNotNull(highlighted, "highlighted"); + this.highlighted = Collections.singleton(highlighted); + return this; + } + + /** * Sets a supplier to obtain a command to fix the error. * @@ -422,7 +438,54 @@ } else if (o instanceof List) { v.visit((List) o); + } else if (o instanceof Area) { + for (List l : getHiliteNodesForArea((Area) o)) { + v.visit(l); + } } } } + + /** + * Calculate list of node pairs describing the area. + * @param area the area + * @return list of node pairs describing the area + */ + private static List> getHiliteNodesForArea(Area area) { + List> hilite = new ArrayList<>(); + PathIterator pit = area.getPathIterator(null); + double[] res = new double[6]; + List nodes = new ArrayList<>(); + while (!pit.isDone()) { + int type = pit.currentSegment(res); + Node n = new Node(new EastNorth(res[0], res[1])); + switch (type) { + case PathIterator.SEG_MOVETO: + if (!nodes.isEmpty()) { + hilite.add(nodes); + } + nodes = new ArrayList<>(); + nodes.add(n); + break; + case PathIterator.SEG_LINETO: + nodes.add(n); + break; + case PathIterator.SEG_CLOSE: + if (!nodes.isEmpty()) { + nodes.add(nodes.get(0)); + hilite.add(nodes); + nodes = new ArrayList<>(); + } + break; + default: + break; + } + pit.next(); + } + if (nodes.size() > 1) { + hilite.add(nodes); + } + return hilite; + } + /** Index: trunk/src/org/openstreetmap/josm/data/validation/tests/MapCSSTagChecker.java =================================================================== --- trunk/src/org/openstreetmap/josm/data/validation/tests/MapCSSTagChecker.java (revision 15937) +++ trunk/src/org/openstreetmap/josm/data/validation/tests/MapCSSTagChecker.java (revision 15938) @@ -4,4 +4,5 @@ import static org.openstreetmap.josm.tools.I18n.tr; +import java.awt.geom.Area; import java.io.BufferedReader; import java.io.IOException; @@ -619,4 +620,10 @@ errorBuilder = errorBuilder.fix(() -> fix); } + if (env.intersections != null) { + Area is = env.intersections.get(c); + if (is != null) { + errorBuilder = errorBuilder.highlight(is); + } + } res.add(errorBuilder.primitives(p, (OsmPrimitive) c).build()); } @@ -743,6 +750,5 @@ && e.getPrimitives().size() == toAdd.getPrimitives().size() && e.getPrimitives().containsAll(toAdd.getPrimitives()) - && e.getHighlighted().size() == toAdd.getHighlighted().size() - && e.getHighlighted().containsAll(toAdd.getHighlighted())) { + && highlightedIsEqual(e.getHighlighted(), toAdd.getHighlighted())) { isDup = true; break; @@ -752,4 +758,19 @@ if (!isDup) errors.add(toAdd); + } + + private static boolean highlightedIsEqual(Collection highlighted, Collection highlighted2) { + if (highlighted.size() == highlighted2.size()) { + if (!highlighted.isEmpty()) { + Object h1 = highlighted.iterator().next(); + Object h2 = highlighted2.iterator().next(); + if (h1 instanceof Area && h2 instanceof Area) { + return ((Area) h1).equals((Area) h2); + } + return highlighted.containsAll(highlighted2); + } + return true; + } + return false; } Index: trunk/src/org/openstreetmap/josm/gui/mappaint/Environment.java =================================================================== --- trunk/src/org/openstreetmap/josm/gui/mappaint/Environment.java (revision 15937) +++ trunk/src/org/openstreetmap/josm/gui/mappaint/Environment.java (revision 15938) @@ -2,5 +2,8 @@ package org.openstreetmap.josm.gui.mappaint; +import java.awt.geom.Area; +import java.util.HashMap; import java.util.LinkedHashSet; +import java.util.Map; import java.util.Set; @@ -67,4 +70,9 @@ */ public Set children; + + /** + * Intersection areas (only filled with CrossingFinder if children is not null) + */ + public Map intersections; /** @@ -118,4 +126,5 @@ this.context = other.getContext(); this.children = other.children == null ? null : new LinkedHashSet<>(other.children); + this.intersections = other.intersections == null ? null : new HashMap<>(other.intersections); } @@ -284,4 +293,5 @@ count = null; children = null; + intersections = null; } Index: trunk/src/org/openstreetmap/josm/gui/mappaint/mapcss/Selector.java =================================================================== --- trunk/src/org/openstreetmap/josm/gui/mappaint/mapcss/Selector.java (revision 15937) +++ trunk/src/org/openstreetmap/josm/gui/mappaint/mapcss/Selector.java (revision 15938) @@ -4,8 +4,10 @@ import static org.openstreetmap.josm.data.projection.Ellipsoid.WGS84; +import java.awt.geom.Area; import java.text.MessageFormat; import java.util.ArrayList; import java.util.Collection; import java.util.Collections; +import java.util.HashMap; import java.util.LinkedHashSet; import java.util.List; @@ -31,5 +33,7 @@ import org.openstreetmap.josm.tools.CheckParameterUtil; import org.openstreetmap.josm.tools.Geometry; +import org.openstreetmap.josm.tools.Geometry.PolygonIntersection; import org.openstreetmap.josm.tools.Logging; +import org.openstreetmap.josm.tools.Pair; import org.openstreetmap.josm.tools.Utils; @@ -298,4 +302,5 @@ private final String layer; + private Area area; private CrossingFinder(Environment e) { @@ -309,7 +314,18 @@ if (Objects.equals(layer, OsmUtils.getLayer(w)) && left.matches(new Environment(w).withParent(e.osm)) - && e.osm instanceof IWay && Geometry.PolygonIntersection.CROSSING.equals( - Geometry.polygonIntersection(w.getNodes(), ((IWay) e.osm).getNodes()))) { - addToChildren(e, w); + && e.osm instanceof IWay) { + if (area == null) { + area = Geometry.getAreaEastNorth(e.osm); + } + Pair is = Geometry.polygonIntersectionResult( + Geometry.getAreaEastNorth(w), area, Geometry.INTERSECTION_EPS_EAST_NORTH); + if (Geometry.PolygonIntersection.CROSSING == is.a) { + addToChildren(e, w); + // store intersection area to improve highlight and zoom to problem + if (e.intersections == null) { + e.intersections = new HashMap<>(); + } + e.intersections.put(w, is.b); + } } } Index: trunk/src/org/openstreetmap/josm/tools/Geometry.java =================================================================== --- trunk/src/org/openstreetmap/josm/tools/Geometry.java (revision 15937) +++ trunk/src/org/openstreetmap/josm/tools/Geometry.java (revision 15938) @@ -30,4 +30,5 @@ import org.openstreetmap.josm.data.osm.INode; import org.openstreetmap.josm.data.osm.IPrimitive; +import org.openstreetmap.josm.data.osm.IRelation; import org.openstreetmap.josm.data.osm.IWay; import org.openstreetmap.josm.data.osm.MultipolygonBuilder; @@ -553,4 +554,26 @@ /** + * Calculate area in east/north space for given primitive. Uses {@link MultipolygonCache} for multipolygon relations. + * @param p the primitive + * @return the area in east/north space, might be empty if the primitive is incomplete or not closed or a node + * since 15938 + */ + public static Area getAreaEastNorth(IPrimitive p) { + if (p instanceof Way && ((Way) p).isClosed()) { + return Geometry.getArea(((Way) p).getNodes()); + } + if (p.isMultipolygon() && !p.isIncomplete() && !((IRelation) p).hasIncompleteMembers()) { + Multipolygon mp = MultipolygonCache.getInstance().get((Relation) p); + Path2D path = new Path2D.Double(); + path.setWindingRule(Path2D.WIND_EVEN_ODD); + for (PolyData pd : mp.getCombinedPolygons()) { + path.append(pd.get(), false); + } + return new Area(path); + } + return new Area(); + } + + /** * Returns the Area of a polygon, from the multipolygon relation. * @param multipolygon the multipolygon relation @@ -601,16 +624,27 @@ */ public static PolygonIntersection polygonIntersection(Area a1, Area a2, double eps) { - + return polygonIntersectionResult(a1, a2, eps).a; + } + + /** + * Calculate intersection area and kind of intersection between two polygons. + * @param a1 Area of first polygon + * @param a2 Area of second polygon + * @param eps an area threshold, everything below is considered an empty intersection + * @return pair with intersection kind and intersection area (never null, but maybe empty) + * @since 15938 + */ + public static Pair polygonIntersectionResult(Area a1, Area a2, double eps) { Area inter = new Area(a1); inter.intersect(a2); if (inter.isEmpty() || !checkIntersection(inter, eps)) { - return PolygonIntersection.OUTSIDE; + return new Pair<>(PolygonIntersection.OUTSIDE, inter); } else if (a2.getBounds2D().contains(a1.getBounds2D()) && inter.equals(a1)) { - return PolygonIntersection.FIRST_INSIDE_SECOND; + return new Pair<>(PolygonIntersection.FIRST_INSIDE_SECOND, inter); } else if (a1.getBounds2D().contains(a2.getBounds2D()) && inter.equals(a2)) { - return PolygonIntersection.SECOND_INSIDE_FIRST; + return new Pair<>(PolygonIntersection.SECOND_INSIDE_FIRST, inter); } else { - return PolygonIntersection.CROSSING; + return new Pair<>(PolygonIntersection.CROSSING, inter); } }