From faa7925a6bfe13bf2ca5f2f2ac3c7afa3027828b Mon Sep 17 00:00:00 2001
From: amwaterhouse <Andrew Waterhouse>
Date: Thu, 18 Nov 2004 18:38:43 +0000
Subject: [PATCH] printing added

---
 src/jalview/gui/AlignmentPanel.java |  110 ++++++++++++++++++++++++++++++++++-
 1 file changed, 109 insertions(+), 1 deletion(-)

diff --git a/src/jalview/gui/AlignmentPanel.java b/src/jalview/gui/AlignmentPanel.java
index 11c9e2b..53f65d8 100755
--- a/src/jalview/gui/AlignmentPanel.java
+++ b/src/jalview/gui/AlignmentPanel.java
@@ -2,9 +2,12 @@ package jalview.gui;
 
 import jalview.jbgui.GAlignmentPanel;
 import java.awt.*;
+import java.awt.image.*;
 import java.awt.event.*;
+import java.awt.print.*;
+import javax.swing.*;
 
-public class AlignmentPanel extends GAlignmentPanel implements AdjustmentListener
+public class AlignmentPanel extends GAlignmentPanel implements AdjustmentListener, Printable
 {
 
   AlignViewport     av;
@@ -175,5 +178,110 @@ public class AlignmentPanel extends GAlignmentPanel implements AdjustmentListene
   }
 
 
+  public int print(Graphics g, PageFormat pf, int pi) throws PrinterException
+  {
+
+    int pwidth = (int)pf.getImageableWidth();
+    int pheight = (int)pf.getImageableHeight();
+    int idWidth = (int)idPanel.idCanvas.getLabelWidth().getWidth();
+
+    BufferedImage printImage = new BufferedImage(pwidth,pheight,BufferedImage.TYPE_INT_RGB);
+    Graphics pg = printImage.getGraphics();
+    pg.setColor(Color.white);
+    pg.fillRect(0,0,pwidth, pheight);
+    pg.setFont( av.getFont() );
+
+    ////////////////////////////////////
+    /// How many sequences and residues can we fit on a printable page?
+    int totalRes = (int)((pwidth - idWidth)/av.getCharWidth());
+    int totalSeq = (int)((pheight - 30)/av.getCharHeight())-1;
+    int pagesWide = av.getAlignment().getWidth() / totalRes +1;
+    int pagesHigh = av.getAlignment().getHeight() / totalSeq +1;
+
+    if (pi >= pagesWide*pagesHigh)
+     return Printable.NO_SUCH_PAGE;
+
+    /////////////////////////////
+    /// Only print these sequences and residues on this page
+    int startRes, endRes, startSeq, endSeq;
+    startRes = (pi % pagesWide) * totalRes;
+    endRes = startRes + totalRes-1;
+    if(endRes>av.getAlignment().getWidth())
+      endRes = av.getAlignment().getWidth();
+
+     startSeq = (pi / pagesWide) * totalSeq;
+     endSeq = startSeq + totalSeq;
+     if(endSeq > av.getAlignment().getHeight())
+       endSeq = av.getAlignment().getHeight();
+
+
+    ////////////////
+    //draw Scale
+    pg.translate(idWidth,0);
+    scalePanel.scaleCanvas.drawScale(pg, startRes, endRes, pwidth-idWidth);
+
+    pg.translate(-idWidth, 30);
+    ////////////////
+    // Draw the ids
+    Color currentColor=null;
+    Color currentTextColor=null;
+    for(int i=startSeq; i<endSeq; i++)
+    {
+      if (av.getSelection().contains(av.getAlignment().getSequenceAt(i)))
+      {
+        currentColor = Color.gray;
+        currentTextColor = Color.black;
+      }
+      else
+      {
+        currentColor = av.getAlignment().getSequenceAt(i).getColor();
+        currentTextColor = Color.black;
+      }
+
+      pg.setColor(currentColor);
+      pg.fillRect(0,  jalview.analysis.AlignmentUtil.getPixelHeight(startSeq, i, av.getCharHeight()),
+                              getWidth(),
+                              av.getCharHeight());
+
+      pg.setColor(currentTextColor);
+
+      String string = av.getAlignment().getSequenceAt(i).getDisplayId();
+      pg.drawString(string, 0,  jalview.analysis.AlignmentUtil.getPixelHeight
+                    (startSeq, i, av.getCharHeight()) + av.getCharHeight() - (av.getCharHeight() / 5));
+    }
+
+    // draw main sequence panel
+    pg.translate(idWidth,0);
+    seqPanel.seqCanvas.drawPanel(pg,startRes,endRes,startSeq,endSeq,startRes,startSeq,0);
+
+
+    g.drawImage( printImage, (int)pf.getImageableX (), (int)pf.getImageableY(), this);
 
+   /* JFrame frame = new JFrame("preview");
+    javax.swing.JPanel p = new preview(printImage);
+    frame.getContentPane().setLayout(new BorderLayout());
+    frame.getContentPane().add(p, java.awt.BorderLayout.CENTER);
+    frame.setVisible(true);
+    frame.setSize(pwidth, pheight);
+
+    frame.validate();*/
+
+    return Printable.PAGE_EXISTS;
+  }
+}
+
+class preview extends javax.swing.JPanel
+{
+  Image i=null;
+  public preview(Image image)
+  {
+    i = image;
+  }
+
+  public void paint(Graphics g)
+  {
+    if(g!=null)
+      g.drawImage(i, 0,0,null);
+  }
 }
+
-- 
1.7.10.2