/* * Copyright (c) 2008 Stiftung Deutsches Elektronen-Synchrotron, * Member of the Helmholtz Association, (DESY), HAMBURG, GERMANY. * * THIS SOFTWARE IS PROVIDED UNDER THIS LICENSE ON AN "../AS IS" BASIS. * WITHOUT WARRANTY OF ANY KIND, EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED * TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR PARTICULAR PURPOSE AND * NON-INFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE * FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * THE USE OR OTHER DEALINGS IN THE SOFTWARE. SHOULD THE SOFTWARE PROVE DEFECTIVE * IN ANY RESPECT, THE USER ASSUMES THE COST OF ANY NECESSARY SERVICING, REPAIR OR * CORRECTION. THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS LICENSE. * NO USE OF ANY SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER THIS DISCLAIMER. * DESY HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, * OR MODIFICATIONS. * THE FULL LICENSE SPECIFYING FOR THE SOFTWARE THE REDISTRIBUTION, MODIFICATION, * USAGE AND OTHER RIGHTS AND OBLIGATIONS IS INCLUDED WITH THE DISTRIBUTION OF THIS * PROJECT IN THE FILE LICENSE.HTML. IF THE LICENSE IS NOT INCLUDED YOU MAY FIND A COPY * AT HTTP://WWW.DESY.DE/LEGAL/LICENSE.HTM */ package org.csstudio.sds.components.ui.internal.utils; import org.eclipse.draw2d.Graphics; /** * Utility class for drawing nice 3D-looking things. * * @author jbercic * */ public final class ShadedDrawing { /** * Draws a line at the given angle, relative to the given center. * * @param gfx the graphics context * @param minrad the radius at which the line should begin * @param maxrad the radius at which the ine should end * @param angl the angle at which the line is to be drawn * @param x x coordinate of the circle's center * @param y y coordinate of the circle's center */ public static void drawLineAtAngle(Graphics gfx, double minrad, double maxrad, double angl, int x, int y) { int x1,y1,x2,y2; x1=x+(int)(minrad*Trigonometry.cos(angl)); y1=y-(int)(minrad*Trigonometry.sin(angl)); x2=x+(int)(maxrad*Trigonometry.cos(angl)); y2=y-(int)(maxrad*Trigonometry.sin(angl)); gfx.drawLine(x1, y1, x2, y2); } }