X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.g2d%2Fsrc%2Forg%2Fsimantics%2Fg2d%2Felementclass%2Fconnection%2FPath2DOutlineShape.java;fp=bundles%2Forg.simantics.g2d%2Fsrc%2Forg%2Fsimantics%2Fg2d%2Felementclass%2Fconnection%2FPath2DOutlineShape.java;h=e04de9cf1dc776eb8d043015db1d448b1a6f7305;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git diff --git a/bundles/org.simantics.g2d/src/org/simantics/g2d/elementclass/connection/Path2DOutlineShape.java b/bundles/org.simantics.g2d/src/org/simantics/g2d/elementclass/connection/Path2DOutlineShape.java new file mode 100644 index 000000000..e04de9cf1 --- /dev/null +++ b/bundles/org.simantics.g2d/src/org/simantics/g2d/elementclass/connection/Path2DOutlineShape.java @@ -0,0 +1,119 @@ +/******************************************************************************* + * Copyright (c) 2007, 2010 Association for Decentralized Information Management + * in Industry THTH ry. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * VTT Technical Research Centre of Finland - initial API and implementation + *******************************************************************************/ +package org.simantics.g2d.elementclass.connection; + +import java.awt.Rectangle; +import java.awt.Shape; +import java.awt.geom.AffineTransform; +import java.awt.geom.Path2D; +import java.awt.geom.PathIterator; +import java.awt.geom.Point2D; +import java.awt.geom.Rectangle2D; + +public class Path2DOutlineShape implements Shape { + + Path2D path; + + public Path2DOutlineShape(Path2D path) { + this.path = path; + } + + @Override + public boolean contains(Point2D p) { + return false; + } + + @Override + public boolean contains(Rectangle2D r) { + return false; + } + + @Override + public boolean contains(double x, double y) { + return false; + } + + @Override + public boolean contains(double x, double y, double w, double h) { + return false; + } + + @Override + public Rectangle getBounds() { + return path.getBounds(); + } + + @Override + public Rectangle2D getBounds2D() { + return path.getBounds2D(); + } + + @Override + public PathIterator getPathIterator(AffineTransform at) { + return path.getPathIterator(at); + } + + @Override + public PathIterator getPathIterator(AffineTransform at, double flatness) { + return path.getPathIterator(at, flatness); + } + + @Override + public boolean intersects(Rectangle2D r) { + return intersects(r.getX(), r.getY(), r.getWidth(), r.getHeight()); + } + + @Override + public boolean intersects(double x, double y, double w, double h) { + PathIterator it = path.getPathIterator(new AffineTransform(), 1.0); + double[] coords = new double[2]; + double x0, y0, x1=0.0, y1=0.0; + while(!it.isDone()) { + x0 = x1; + y0 = y1; + switch(it.currentSegment(coords)) { + case PathIterator.SEG_MOVETO: + x1 = coords[0]; + y1 = coords[1]; + break; + + case PathIterator.SEG_LINETO: + x1 = coords[0]; + y1 = coords[1]; + + // Lines are approximated by their bounding boxes. This works for + // orthogonal paths. + if(x0 < x1) { + if(x > x1 || x+w < x0) + break; + } + else { + if(x > x0 || x+w < x1) + break; + } + + if(y0 < y1) { + if(y > y1 || y+h < y0) + break; + } + else { + if(y > y0 || y+h < y1) + break; + } + return true; + } + it.next(); + } + return false; + } + +}