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/*
* SVGDisplayPanel.java
*
*
* The Salamander Project - 2D and 3D graphics libraries in Java
* Copyright (C) 2004 Mark McKay
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Mark McKay can be contacted at mark@kitfox.com. Salamander and other
* projects can be found at http://www.kitfox.com
*
* Created on February 20, 2004, 12:29 PM
*/
package com.kitfox.svg;
import javax.swing.*;
import java.awt.*;
import java.awt.geom.*;
/**
* @author Mark McKay
* @author <a href="mailto:mark@kitfox.com">Mark McKay</a>
*/
public class SVGDisplayPanel extends javax.swing.JPanel implements Scrollable
{
public static final long serialVersionUID = 1;
SVGDiagram diagram = null;
float scale = 1f;
Color bgColor = null;
/** Creates new form SVGDisplayPanel */
public SVGDisplayPanel()
{
initComponents();
}
public SVGDiagram getDiagram()
{
return diagram;
}
public void setDiagram(SVGDiagram diagram)
{
this.diagram = diagram;
diagram.setDeviceViewport(getBounds());
setDimension();
}
public void setScale(float scale)
{
this.scale = scale;
setDimension();
}
public void setBgColor(Color col)
{
bgColor = col;
}
private void setDimension()
{
if (diagram == null)
{
setPreferredSize(new Dimension(1, 1));
revalidate();
return;
}
final Rectangle2D.Float rect = new Rectangle2D.Float();
diagram.getViewRect(rect);
int w = (int)(rect.width * scale);
int h = (int)(rect.height * scale);
setPreferredSize(new Dimension(w, h));
revalidate();
}
/**
* Update this image to reflect the passed time
*/
public void updateTime(double curTime) throws SVGException
{
if (diagram == null) return;
diagram.updateTime(curTime);
}
public void paintComponent(Graphics gg)
{
Graphics2D g = (Graphics2D)gg;
if (bgColor != null)
{
Dimension dim = getSize();
g.setColor(bgColor);
g.fillRect(0, 0, dim.width, dim.height);
}
g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
if (diagram != null)
{
try
{
diagram.render(g);
}
catch (SVGException e)
{
e.printStackTrace();
}
}
}
/** This method is called from within the constructor to
* initialize the form.
* WARNING: Do NOT modify this code. The content of this method is
* always regenerated by the Form Editor.
*/
// <editor-fold defaultstate="collapsed" desc=" Generated Code ">//GEN-BEGIN:initComponents
private void initComponents()
{
setLayout(new java.awt.BorderLayout());
addComponentListener(new java.awt.event.ComponentAdapter()
{
public void componentResized(java.awt.event.ComponentEvent evt)
{
formComponentResized(evt);
}
});
}// </editor-fold>//GEN-END:initComponents
private void formComponentResized(java.awt.event.ComponentEvent evt)//GEN-FIRST:event_formComponentResized
{//GEN-HEADEREND:event_formComponentResized
if (diagram != null)
{
diagram.setDeviceViewport(getBounds());
setDimension();
}
}//GEN-LAST:event_formComponentResized
public Dimension getPreferredScrollableViewportSize()
{
return getPreferredSize();
}
public int getScrollableBlockIncrement(Rectangle visibleRect, int orientation, int direction)
{
if (orientation == SwingConstants.HORIZONTAL)
{
return visibleRect.width;
}
else return visibleRect.height;
}
public boolean getScrollableTracksViewportHeight()
{
return false;
}
public boolean getScrollableTracksViewportWidth()
{
return false;
}
public int getScrollableUnitIncrement(Rectangle visibleRect, int orientation, int direction)
{
return getScrollableBlockIncrement(visibleRect, orientation, direction) / 16;
}
// Variables declaration - do not modify//GEN-BEGIN:variables
// End of variables declaration//GEN-END:variables
}
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