svn commit: r1753875 - /pdfbox/branches/2.0/debugger/src/main/java/org/apache/pdfbox/debugger/pagepane/PagePane.java

[ti...@apache.org]

Author: tilman
Date: Sat Jul 23 14:36:24 2016
New Revision: 1753875

URL: http://svn.apache.org/viewvc?rev=1753875&view=rev
Log:
PDFBOX-2941: show PDF coordinates

Modified:
    pdfbox/branches/2.0/debugger/src/main/java/org/apache/pdfbox/debugger/pagepane/PagePane.java

Modified: pdfbox/branches/2.0/debugger/src/main/java/org/apache/pdfbox/debugger/pagepane/PagePane.java
URL: http://svn.apache.org/viewvc/pdfbox/branches/2.0/debugger/src/main/java/org/apache/pdfbox/debugger/pagepane/PagePane.java?rev=1753875&r1=1753874&r2=1753875&view=diff
==============================================================================
--- pdfbox/branches/2.0/debugger/src/main/java/org/apache/pdfbox/debugger/pagepane/PagePane.java (original)
+++ pdfbox/branches/2.0/debugger/src/main/java/org/apache/pdfbox/debugger/pagepane/PagePane.java Sat Jul 23 14:36:24 2016
@@ -21,6 +21,9 @@ import java.awt.Component;
 import java.awt.Font;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
+import java.awt.event.MouseEvent;
+import java.awt.event.MouseListener;
+import java.awt.event.MouseMotionListener;
 import java.awt.image.BufferedImage;
 import java.io.IOException;
 import java.util.concurrent.ExecutionException;
@@ -45,7 +48,7 @@ import org.apache.pdfbox.rendering.PDFRe
  * @author Tilman Hausherr
  * @author John Hewson
  */
-public class PagePane implements ActionListener, AncestorListener
+public class PagePane implements ActionListener, AncestorListener, MouseMotionListener, MouseListener
 {
     private JPanel panel;
     private int pageIndex = -1;
@@ -54,11 +57,14 @@ public class PagePane implements ActionL
     private ZoomMenu zoomMenu;
     private RotationMenu rotationMenu;
     private final JLabel statuslabel;
+    private final float height, width;
 
     public PagePane(PDDocument document, COSDictionary page, JLabel statuslabel)
     {
         PDPage pdPage = new PDPage(page);
         pageIndex = document.getPages().indexOf(pdPage);
+        height = pdPage.getCropBox().getHeight();
+        width  = pdPage.getCropBox().getWidth();
         this.document = document;
         this.statuslabel = statuslabel;
         initUI();
@@ -78,6 +84,8 @@ public class PagePane implements ActionL
         panel.add(pageLabel);
         
         label = new JLabel();
+        label.addMouseMotionListener(this);
+        label.addMouseListener(this);
         label.setBackground(panel.getBackground());
         label.setAlignmentX(Component.CENTER_ALIGNMENT);
         panel.add(label);
@@ -135,6 +143,72 @@ public class PagePane implements ActionL
     {
     }
 
+    @Override
+    public void mouseDragged(MouseEvent e)
+    {
+    }
+
+    /**
+     * Catch mouse event to display cursor position in PDF coordinates in the status bar.
+     *
+     * @param e mouse event with position
+     */
+    @Override
+    public void mouseMoved(MouseEvent e)
+    {
+        float zoomScale = zoomMenu.getPageZoomScale();
+        float x = e.getX() / zoomScale;
+        float y = e.getY() / zoomScale;
+        int x1, y1;
+        switch (RotationMenu.getRotationDegrees())
+        {
+            case 0:
+            default:
+                x1 = (int) x;
+                y1 = (int) (height - y);
+                break;
+            case 90:
+                x1 = (int) y;
+                y1 = (int) x;
+                break;
+            case 180:
+                x1 = (int) (width - x);
+                y1 = (int) y;
+                break;
+            case 270:
+                x1 = (int) (width - y);
+                y1 = (int) (height - x);
+                break;
+        }
+        statuslabel.setText(x1 + "," + y1);
+    }
+
+    @Override
+    public void mouseClicked(MouseEvent e)
+    {
+    }
+
+    @Override
+    public void mousePressed(MouseEvent e)
+    {
+    }
+
+    @Override
+    public void mouseReleased(MouseEvent e)
+    {
+    }
+
+    @Override
+    public void mouseEntered(MouseEvent e)
+    {
+    }
+
+    @Override
+    public void mouseExited(MouseEvent e)
+    {
+        statuslabel.setText("");
+    }
+
     /**
      * Note that PDDocument is not officially thread safe, caution advised.
      */
@@ -158,7 +232,7 @@ public class PagePane implements ActionL
             long t0 = System.currentTimeMillis();
             statuslabel.setText("Rendering...");
             BufferedImage bim = renderer.renderImage(pageIndex, scale);
-            float t = ((System.currentTimeMillis() - t0) / 1000f);
+            float t = (System.currentTimeMillis() - t0) / 1000f;
             statuslabel.setText("Rendered in " + t + " second" + (t > 1 ? "s" : ""));
             return ImageUtil.getRotatedImage(bim, rotation);
         }