/* ******************************************************************************
* Copyright (c) 2006-2012 XMind Ltd. and others.
*
* This file is a part of XMind 3. XMind releases 3 and
* above are dual-licensed under the Eclipse Public License (EPL),
* which is available at http://www.eclipse.org/legal/epl-v10.html
* and the GNU Lesser General Public License (LGPL),
* which is available at http://www.gnu.org/licenses/lgpl.html
* See http://www.xmind.net/license.html for details.
*
* Contributors:
* XMind Ltd. - initial API and implementation
*******************************************************************************/
package org.xmind.gef.draw2d;
import org.eclipse.draw2d.Graphics;
import org.eclipse.draw2d.IFigure;
import org.eclipse.draw2d.LineBorder;
import org.eclipse.draw2d.geometry.Insets;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.widgets.Display;
import org.xmind.gef.draw2d.geometry.Geometry;
import org.xmind.gef.draw2d.geometry.PrecisionInsets;
import org.xmind.gef.draw2d.geometry.PrecisionRectangle;
import org.xmind.gef.draw2d.geometry.PrecisionRotator;
import org.xmind.gef.draw2d.graphics.Path;
public class RotatableLineBorder extends LineBorder implements IRotatable {
private static PrecisionRectangle rect = new PrecisionRectangle();
public RotatableLineBorder() {
super();
}
public RotatableLineBorder(Color color, int width) {
super(color, width);
}
public RotatableLineBorder(Color color) {
super(color);
}
public RotatableLineBorder(int width) {
super(width);
}
private PrecisionRotator rotator = new PrecisionRotator();
public double getRotationDegrees() {
return rotator.getAngle();
}
public void setRotationDegrees(double degrees) {
rotator.setAngle(degrees);
}
public void paint(IFigure figure, Graphics graphics, Insets insets) {
graphics.setAntialias(SWT.ON);
graphics.setLineStyle(SWT.LINE_SOLID);
if (!Geometry.isSameAngleDegree(getRotationDegrees(), 0, 0.00001)) {
paintRotatedBorder(figure, graphics, insets);
return;
}
super.paint(figure, graphics, insets);
}
private void paintRotatedBorder(IFigure figure, Graphics graphics,
Insets insets) {
tempRect.setBounds(getPaintRectangle(figure, insets));
tempRect.shrink(rotator.t(new PrecisionInsets(super.getInsets(figure)))
.toDraw2DInsets());
rect.setBounds(tempRect);
rotator.setOrigin(rect.x + rect.width / 2, rect.y + rect.height / 2);
rect = rotator.r(rect);
graphics.setLineWidth(getWidth());
if (getColor() != null)
graphics.setForegroundColor(getColor());
Path p = new Path(Display.getCurrent());
p.moveTo(rotator.t(rect.getTopLeft()));
p.lineTo(rotator.t(rect.getTopRight()));
p.lineTo(rotator.t(rect.getBottomRight()));
p.lineTo(rotator.t(rect.getBottomLeft()));
p.close();
graphics.drawPath(p);
p.dispose();
}
}