1 files changed, 194 insertions, 0 deletions
diff --git a/src/main/java/com/kitfox/svg/SVGDisplayPanel.java b/src/main/java/com/kitfox/svg/SVGDisplayPanel.java
new file mode 100644
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--- /dev/null
+++ b/src/main/java/com/kitfox/svg/SVGDisplayPanel.java
@@ -0,0 +1,194 @@
+/*
+ * 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);
+        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
+
+}