/*
* org.openmicroscopy.shoola.util.ui.drawingtools.canvas.DrawingCanvasView
*
*------------------------------------------------------------------------------
* Copyright (C) 2006-2007 University of Dundee. All rights reserved.
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*------------------------------------------------------------------------------
*/
package org.openmicroscopy.shoola.util.ui.drawingtools.canvas;
//Java imports
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics2D;
import java.awt.Point;
import java.awt.geom.Point2D;
//Third-party libraries
import org.jhotdraw.draw.DefaultDrawingView;
//Application-internal dependencies
/**
* Basic class suited for viewing drawings with a small number
* of Figures.
*
* @author Jean-Marie Burel
* <a href="mailto:j.burel@dundee.ac.uk">j.burel@dundee.ac.uk</a>
* @author Donald MacDonald
* <a href="mailto:donald@lifesci.dundee.ac.uk">donald@lifesci.dundee.ac.uk</a>
* @version 3.0
* <small>
* (<b>Internal version:</b> $Revision: $Date: $)
* </small>
* @since OME3.0
*/
public class DrawingCanvasView
extends DefaultDrawingView
{
/** The flag indicating to duplicate or not. */
private boolean duplicateAction = false;
/** The default background. */
private static final Color BACKGROUND = new Color(0xf0f0f0);
/**
* Default point used to override the {@link #drawBackground(Graphics2D)}
* method.
*/
private static final Point2D.Double ORIGIN = new Point2D.Double(0, 0);
/**
* Sets the size of the component. This method takes in the original size
* of the image and the scale factor and sets the size of the component
* then calls {@link DefaultDrawingView#setScaleFactor(double)}.
*
* @param f The new scale factor.
* @param originalSize The original size of the image.
*/
public void setScaleFactor(double f, Dimension originalSize)
{
if (originalSize != null)
setSize((int) (originalSize.getWidth()*f),
(int) (originalSize.getHeight()*f));
super.setScaleFactor(f);
}
/**
* Overridden to set the background color only and not fill a rectangle.
* @see DefaultDrawingView#drawBackground(Graphics2D)
*/
protected void drawBackground(Graphics2D g)
{
// No method to access the translate point
// the only way to have -translate.x *scaleFactor
// Position of the zero coordinate point on the view
Point p = drawingToView(ORIGIN);
g.setColor(getBackground());
if (p.y > 0) g.setColor(BACKGROUND);
if (p.x > 0) g.setColor(BACKGROUND);
}
/**
* Overridden to set the drawing action.
* @see DefaultDrawingView#duplicate()
*/
public void duplicate()
{
duplicateAction = true;
super.duplicate();
}
/** Un-sets the duplicate action. */
public void unsetDuplicate() { duplicateAction = false; }
/**
* Returns <code>true</code> if the action is turned on,
* <code>false</code> otherwise.
*
* @return See above.
*/
public boolean isDuplicate() { return duplicateAction; }
}