| /******************************************************************************* |
| * Copyright (c) 2012 Rushan R. Gilmullin and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Rushan R. Gilmullin - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.osbp.vaaclipse.widgets.common; |
| |
| /** |
| * @author rushan |
| * |
| */ |
| public class GeomUtils { |
| |
| public static Integer findDockSide(int x0, int y0, int dx, int dy, |
| double docX, double docY, Vector mousePos) { |
| if (GeometryHelper.containsInRectangle( |
| Vector.valueOf(x0 + docX, y0 + docY), |
| Vector.valueOf(dx - 2 * docX, dy - 2 * docY), mousePos)) |
| return Side.CENTER; |
| else if (GeometryHelper.containsInRectangle( |
| Vector.valueOf(x0 + docX, y0 + dy - docY), |
| Vector.valueOf(dx - 2 * docX, docY), mousePos) |
| || GeometryHelper.containsInRightTriangle( |
| Vector.valueOf(x0 + docX, y0 + dy), -docX, -docY, |
| mousePos) |
| || GeometryHelper.containsInRightTriangle( |
| Vector.valueOf(x0 + dx - docX, y0 + dy), docX, -docY, |
| mousePos)) { |
| return Side.BOTTOM; |
| } else if (GeometryHelper.containsInRectangle( |
| Vector.valueOf(x0, y0 + docY), new Vector(docX, dy - 2 * docY), |
| mousePos) |
| || GeometryHelper.containsInRightTriangle( |
| Vector.valueOf(x0, y0 + docY), docX, -docY, mousePos) |
| || GeometryHelper.containsInRightTriangle( |
| Vector.valueOf(x0, y0 + dy - docY), docX, docY, |
| mousePos)) { |
| return Side.LEFT; |
| } else if (GeometryHelper.containsInRectangle( |
| Vector.valueOf(x0 + dx - docX, y0 + docY), new Vector(docX, dy |
| - 2 * docY), mousePos) |
| || GeometryHelper.containsInRightTriangle( |
| Vector.valueOf(x0 + dx, y0 + docY), -docX, -docY, |
| mousePos) |
| || GeometryHelper.containsInRightTriangle( |
| Vector.valueOf(x0 + dx, y0 + dy - docY), -docX, docY, |
| mousePos)) { |
| return Side.RIGHT; |
| } else if (GeometryHelper.containsInRectangle( |
| Vector.valueOf(x0 + docX, y0), new Vector(dy - 2 * docY, docY), |
| mousePos) |
| || GeometryHelper.containsInRightTriangle( |
| Vector.valueOf(x0 + docX, y0), -docX, docY, mousePos) |
| || GeometryHelper.containsInRightTriangle( |
| Vector.valueOf(x0 + dx - docX, y0), docX, docY, |
| mousePos)) { |
| return Side.TOP; |
| } else |
| return null; |
| } |
| |
| } |
