printing added

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