/*
* 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.switchtypes;
import org.csstudio.sds.components.common.CosySwitch;
import org.csstudio.sds.components.ui.internal.utils.Trigonometry;
import org.eclipse.draw2d.Graphics;
import org.eclipse.swt.SWT;
/**
* The Schaltertrennstelle switch type.
*
* @author jbercic
*
*/
public final class Schaltertrennstelle extends CosySwitch {
/**
* Constructor.
*/
public Schaltertrennstelle() {
}
/**
* {@inheritDoc}
*/
@Override
protected void paintBase(final Graphics gfx, final int width, final int height) {
int disp=gfx.getLineWidth()/2+gfx.getLineWidth()%2;
int delta=(int)Math.round((double)width/4.0*Trigonometry.sin(13.0));
gfx.drawRectangle(disp,4*disp+width/4,width-2*disp,height-8*disp-width/2);
gfx.drawLine(width/2,width/4-delta,width/2,height/3);
gfx.drawLine(width/2,2*height/3,width/2,height-width/4+delta);
gfx.drawArc(width/4,-width/4-delta,width/2,width/2,193,151);
gfx.drawArc(width/4,height-width/4+delta,width/2,width/2,13,151);
}
/**
* {@inheritDoc}
*/
@Override
protected void paintOpenState(final Graphics gfx, final int width, final int height) {
gfx.drawLine(width/2,2*height/3,
width/2+(int)(height/3*Trigonometry.cos(120.0)),
2*height/3-(int)(height/3*Trigonometry.sin(120.0)));
}
/**
* {@inheritDoc}
*/
@Override
protected void paintDashedOpenState(final Graphics gfx, final int width, final int height) {
gfx.setLineStyle(SWT.LINE_DOT);
gfx.drawLine(width/2,2*height/3,
width/2+(int)(height/3*Trigonometry.cos(120.0)),
2*height/3-(int)(height/3*Trigonometry.sin(120.0)));
gfx.setLineStyle(SWT.LINE_SOLID);
}
/**
* {@inheritDoc}
*/
@Override
protected void paintClosedState(final Graphics gfx, final int width, final int height) {
gfx.drawLine(width/2,2*height/3,width/2,height/3);
gfx.drawLine(width/4+width/8,height/3,
3*width/4-width/8,height/3);
gfx.fillOval(width/2-this.getLineWidth()*2,2*height/3-this.getLineWidth()*2,
this.getLineWidth()*4,this.getLineWidth()*4);
}
}