paintFlag removed
[jalview.git] / src / jalview / gui / AlignmentPanel.java
index 33b8665..75729c3 100755 (executable)
@@ -1,11 +1,18 @@
 package jalview.gui;\r
 \r
 import jalview.jbgui.GAlignmentPanel;\r
+import jalview.schemes.*;\r
+import jalview.analysis.*;\r
+import jalview.datamodel.*;\r
 import java.awt.*;\r
-import java.awt.image.*;\r
 import java.awt.event.*;\r
 import java.awt.print.*;\r
-import javax.swing.*;\r
+import java.io.*;\r
+import java.awt.image.*;\r
+import org.jibble.epsgraphics.*;\r
+import javax.imageio.*;\r
+\r
+\r
 \r
 public class AlignmentPanel extends GAlignmentPanel implements AdjustmentListener, Printable\r
 {\r
@@ -14,38 +21,145 @@ public class AlignmentPanel extends GAlignmentPanel implements AdjustmentListene
   OverviewPanel overviewPanel;\r
   SeqPanel   seqPanel;\r
   IdPanel    idPanel;\r
+  IdwidthAdjuster idwidthAdjuster;\r
   public AlignFrame alignFrame;\r
   ScalePanel scalePanel;\r
-  ScorePanel scorePanel;\r
+  AnnotationPanel annotationPanel;\r
+  AnnotationLabels alabels;\r
+\r
+  // this value is set false when selection area being dragged\r
+  boolean fastPaint = true;\r
 \r
-  public AlignmentPanel(AlignFrame af, AlignViewport av)\r
+  public AlignmentPanel(AlignFrame af, final AlignViewport av)\r
   {\r
     alignFrame = af;\r
     this.av         = av;\r
     seqPanel        = new SeqPanel  (av, this);\r
     idPanel         = new IdPanel   (av, this);\r
-    scalePanel = new ScalePanel(av);\r
-    scorePanel = new ScorePanel(av);\r
+\r
+    scalePanel = new ScalePanel(av, this);\r
 \r
     idPanelHolder.add(idPanel, BorderLayout.CENTER);\r
-    idPanel.addNotify();\r
+    idwidthAdjuster = new IdwidthAdjuster(this);\r
+    idSpaceFillerPanel1.add(idwidthAdjuster, BorderLayout.CENTER);\r
+\r
+    annotationPanel = new AnnotationPanel(this);\r
+    alabels = new AnnotationLabels(this);\r
+\r
+    annotationSpaceFillerHolder.setPreferredSize(annotationPanel.getPreferredSize());\r
+    annotationScroller.setPreferredSize(annotationPanel.getPreferredSize());\r
+    annotationScroller.setViewportView(annotationPanel);\r
+    annotationSpaceFillerHolder.add(alabels, BorderLayout.CENTER);\r
+\r
+    Dimension d = calculateIdWidth();\r
+    d.setSize( d.width+4, d.height);\r
+    idPanel.idCanvas.setPreferredSize( d );\r
+    hscrollFillerPanel.setPreferredSize( d );\r
+\r
     scalePanelHolder.add(scalePanel, BorderLayout.CENTER);\r
-    scorePanelHolder.add(scorePanel, BorderLayout.CENTER);\r
     seqPanelHolder.add(seqPanel, BorderLayout.CENTER);\r
-    setScrollValues(0,0);\r
+\r
+\r
+    if(seqPanel.seqCanvas.getWidth()==0)\r
+    javax.swing.SwingUtilities.invokeLater(new Runnable()\r
+     {\r
+       public void run()\r
+       {\r
+         setScrollValues(0,0);\r
+         Dimension d = calculateIdWidth();\r
+         d.setSize( d.width+4, d.height);\r
+         idPanel.idCanvas.setPreferredSize( d );\r
+         RefreshPanels();\r
+       }\r
+    });\r
+\r
 \r
     hscroll.addAdjustmentListener(this);\r
     vscroll.addAdjustmentListener(this);\r
 \r
     addComponentListener(new ComponentAdapter()\r
    {\r
-       public void componentResized(ComponentEvent evt)\r
+     public void componentResized(ComponentEvent evt)\r
      {\r
           RefreshPanels();\r
      }\r
    });\r
+\r
+   setFocusable(true);\r
+   addKeyListener(new KeyAdapter()\r
+   {\r
+     public void keyPressed(KeyEvent evt)\r
+     {\r
+       switch(evt.getKeyCode())\r
+       {\r
+         case  27: // escape key\r
+           av.setSelectionGroup(null);\r
+           RefreshPanels();\r
+           break;\r
+         case KeyEvent.VK_X:\r
+           if(evt.isControlDown())\r
+           alignFrame.cut_actionPerformed(null);\r
+           break;\r
+         case KeyEvent.VK_C:\r
+         if(evt.isControlDown())\r
+           alignFrame.copy_actionPerformed(null);\r
+           break;\r
+         case KeyEvent.VK_V:\r
+          if(evt.isControlDown())\r
+           alignFrame.paste(true);\r
+           break;\r
+         case KeyEvent.VK_A:\r
+         if(evt.isControlDown())\r
+           alignFrame.selectAllSequenceMenuItem_actionPerformed(null);\r
+           break;\r
+        case KeyEvent.VK_DOWN:\r
+          alignFrame.moveSelectedSequences(false);\r
+          break;\r
+        case KeyEvent.VK_UP:\r
+          alignFrame.moveSelectedSequences(true);\r
+          break;\r
+        case KeyEvent.VK_F:\r
+         if(evt.isControlDown())\r
+          alignFrame.findMenuItem_actionPerformed(null);\r
+          break;\r
+       }\r
+     }\r
+   });\r
   }\r
 \r
+  Dimension calculateIdWidth()\r
+  {\r
+    Graphics g = this.getGraphics();\r
+    if(g==null)\r
+    {\r
+      javax.swing.JFrame f = new javax.swing.JFrame();\r
+      f.addNotify();\r
+      g = f.getGraphics();\r
+    }\r
+\r
+    FontMetrics fm = g.getFontMetrics(av.font);\r
+    AlignmentI al = av.getAlignment();\r
+\r
+       int i   = 0;\r
+       int idWidth = 0;\r
+       String id;\r
+       while (i < al.getHeight() && al.getSequenceAt(i) != null)\r
+       {\r
+         SequenceI s   = al.getSequenceAt(i);\r
+         if(av.getShowFullId())\r
+           id   = s.getDisplayId();\r
+         else\r
+           id = s.getName();\r
+\r
+         if (fm.stringWidth(id) > idWidth)\r
+           idWidth = fm.stringWidth(id);\r
+         i++;\r
+       }\r
+\r
+       return new Dimension(idWidth, 12);\r
+  }\r
+\r
+\r
  public void highlightSearchResults(int [] results)\r
  {\r
    seqPanel.seqCanvas.highlightSearchResults( results );\r
@@ -72,54 +186,142 @@ public class AlignmentPanel extends GAlignmentPanel implements AdjustmentListene
  }\r
 \r
 \r
-  public void setGraphPanelVisible(boolean b)\r
+  public void setAnnotationVisible(boolean b)\r
   {\r
-    scorePanelHolder.setVisible(b);\r
-    idSpaceFillerPanel.setVisible(b);\r
-    RefreshPanels();\r
+    annotationSpaceFillerHolder.setVisible(b);\r
+    annotationScroller.setVisible(b);\r
+    javax.swing.SwingUtilities.invokeLater(new Runnable()\r
+     {\r
+       public void run()\r
+       {\r
+         RefreshPanels();\r
+       }\r
+    });\r
+\r
   }\r
 \r
+\r
   public void setWrapAlignment(boolean wrap)\r
   {\r
-      scalePanelHolder.setVisible(!wrap);\r
-      scorePanelHolder.setVisible(!wrap);\r
+    scalePanelHolder.setVisible(!wrap);\r
+    hscroll.setVisible(!wrap);\r
+    idwidthAdjuster.setVisible(!wrap);\r
+\r
+    av.setShowAnnotation(!wrap);\r
+    annotationScroller.setVisible(!wrap);\r
+    annotationSpaceFillerHolder.setVisible(!wrap);\r
+    idSpaceFillerPanel1.setVisible(!wrap);\r
+\r
+    RefreshPanels();\r
 \r
-      hscroll.setVisible(!wrap);\r
-      idSpaceFillerPanel.setVisible(!wrap);\r
-      idSpaceFillerPanel1.setVisible(!wrap);\r
   }\r
 \r
 \r
-  public void setColourScheme(jalview.schemes.ColourSchemeI cs, boolean conservation)\r
+  public void setColourScheme()\r
   {\r
-    seqPanel.setColourScheme(cs, conservation);\r
-    if(overviewPanel!=null)\r
-      overviewPanel.updateOverviewImage();\r
+    ColourSchemeI cs = av.getGlobalColourScheme();\r
+\r
+    if(av.getConservationSelected())\r
+    {\r
+\r
+       Alignment al = (Alignment)av.getAlignment();\r
+       Conservation c = new Conservation("All",\r
+                            ResidueProperties.propHash, 3, al.getSequences(), 0,\r
+                            al.getWidth() );\r
+\r
+       c.calculate();\r
+       c.verdict(false, 100);\r
+       ConservationColourScheme ccs = new ConservationColourScheme(c, cs);\r
+\r
+       av.setGlobalColourScheme( ccs );\r
+\r
+    }\r
+\r
+    RefreshPanels();\r
   }\r
 \r
 \r
   public void RefreshPanels()\r
   {\r
+    requestFocus();\r
     invalidate();\r
-    seqPanel.seqCanvas.paintFlag = true;\r
-    idPanel.idCanvas.paintFlag = true;\r
-    idPanelHolder.setPreferredSize( idPanel.idCanvas.getPreferredSize() );\r
-    setScrollValues(av.getStartRes(), av.getStartSeq());\r
-    av.getConsensus(true);\r
-    repaint();\r
-    validate();\r
-    if(overviewPanel!=null)\r
-      overviewPanel.updateOverviewImage();\r
 \r
+    Dimension d = idPanel.idCanvas.getPreferredSize();\r
+    idPanelHolder.setPreferredSize(d);\r
+    hscrollFillerPanel.setPreferredSize(new Dimension(d.width, 12));\r
+\r
+    if (av.getWrapAlignment())\r
+    {\r
+      int max = av.alignment.getWidth() /\r
+          (seqPanel.seqCanvas.getWidth() / av.charWidth) + 1;\r
+      vscroll.setValues(0, 1, 0, max);\r
+    }\r
+    else\r
+    {\r
+      if (overviewPanel != null)\r
+        overviewPanel.updateOverviewImage();\r
+      setScrollValues(av.getStartRes(), av.getStartSeq());\r
+    }\r
+\r
+    validate();\r
+    repaint();\r
   }\r
 \r
   int hextent = 0;\r
   int vextent = 0;\r
 \r
+  // return value is true if the scroll is valid\r
+  public boolean scrollUp(boolean up)\r
+  {\r
+    if(up)\r
+    {\r
+      if(vscroll.getValue()<1)\r
+        return false;\r
+      fastPaint  = false;\r
+      vscroll.setValue(vscroll.getValue() - 1);\r
+    }\r
+    else\r
+    {\r
+     if(vextent+vscroll.getValue() >= av.getAlignment().getHeight())\r
+       return false;\r
+      fastPaint  = false;\r
+      vscroll.setValue(vscroll.getValue() + 1);\r
+    }\r
+    fastPaint = true;\r
+    return true;\r
+  }\r
+\r
+  public boolean scrollRight(boolean right)\r
+  {\r
+\r
+    if (right)\r
+    {\r
+      if (hscroll.getValue() < 1)\r
+        return false;\r
+      fastPaint = false;\r
+      hscroll.setValue(hscroll.getValue() - 1);\r
+    }\r
+    else\r
+    {\r
+      if (hextent + hscroll.getValue() >= av.getAlignment().getWidth())\r
+        return false;\r
+      fastPaint = false;\r
+      hscroll.setValue(hscroll.getValue() + 1);\r
+    }\r
+    fastPaint = true;\r
+    return true;\r
+  }\r
+\r
+\r
   public void setScrollValues(int x, int y)\r
   {\r
-    hextent = (int)(seqPanel.seqCanvas.getWidth()/av.getCharWidth());\r
-    vextent = seqPanel.seqCanvas.getHeight()/av.getCharHeight();\r
+    hextent = seqPanel.seqCanvas.getWidth()/av.charWidth;\r
+    vextent = seqPanel.seqCanvas.getHeight()/av.charHeight;\r
+\r
+    if(hextent > av.alignment.getWidth())\r
+      hextent = av.alignment.getWidth();\r
+    if(vextent > av.alignment.getHeight())\r
+      vextent = av.alignment.getHeight();\r
 \r
     if(hextent+x  >  av.getAlignment().getWidth())\r
       x =  av.getAlignment().getWidth()- hextent;\r
@@ -135,55 +337,80 @@ public class AlignmentPanel extends GAlignmentPanel implements AdjustmentListene
 \r
     hscroll.setValues(x,hextent,0,av.getAlignment().getWidth());\r
     vscroll.setValues(y,vextent,0,av.getAlignment().getHeight() );\r
-    repaint();\r
 \r
   }\r
 \r
 \r
   public void adjustmentValueChanged(AdjustmentEvent evt)\r
   {\r
+    int oldX = av.getStartRes();\r
+    int oldY = av.getStartSeq();\r
 \r
     if (evt.getSource() == hscroll)\r
     {\r
       int x = hscroll.getValue();\r
       av.setStartRes(x);\r
-      av.setEndRes(x + (int)(seqPanel.seqCanvas.getWidth()/av.getCharWidth()-1));\r
+      av.setEndRes(x + seqPanel.seqCanvas.getWidth()/av.getCharWidth()-1);\r
     }\r
 \r
     if (evt.getSource() == vscroll)\r
     {\r
-        int offy = vscroll.getValue();\r
+      int offy = vscroll.getValue();\r
+      if (av.getWrapAlignment())\r
+      {\r
+        av.setStartRes( vscroll.getValue() * av.getChunkWidth());\r
+      }\r
+      else\r
+      {\r
         av.setStartSeq(offy);\r
-        av.setEndSeq(offy + seqPanel.seqCanvas.getHeight()/av.getCharHeight());\r
+        av.setEndSeq(offy + seqPanel.seqCanvas.getHeight() / av.getCharHeight());\r
+      }\r
     }\r
 \r
 \r
     if(overviewPanel!=null)\r
       overviewPanel.setBoxPosition();\r
 \r
-    seqPanel.seqCanvas.paintFlag=true;\r
-    repaint();\r
-  }\r
+    if(av.getWrapAlignment() || !fastPaint)\r
+      repaint();\r
+    else\r
+    {\r
+      seqPanel.seqCanvas.fastPaint(av.getStartRes() - oldX,\r
+                                   av.getStartSeq() - oldY);\r
+      idPanel.idCanvas.fastPaint(av.getStartSeq() - oldY);\r
+      scalePanel.repaint();\r
+      if (av.getShowAnnotation())\r
+        annotationPanel.fastPaint(av.getStartRes() - oldX);\r
+    }\r
 \r
+  }\r
 \r
   public int print(Graphics pg, PageFormat pf, int pi) throws PrinterException\r
   {\r
-\r
     pg.translate((int)pf.getImageableX(), (int)pf.getImageableY());\r
 \r
-    int pwidth = (int)pf.getImageableWidth();\r
-    int pheight = (int)pf.getImageableHeight();\r
-    int idWidth = (int)idPanel.idCanvas.getLabelWidth().getWidth();\r
+    int pwidth = (int) pf.getImageableWidth();\r
+    int pheight = (int) pf.getImageableHeight();\r
+\r
+    if (av.getWrapAlignment())\r
+      return printWrappedAlignment(pg, pwidth,pheight, pi);\r
+    else\r
+      return printUnwrapped(pg,pwidth, pheight,pi);\r
+  }\r
+\r
+  public int printUnwrapped(Graphics pg, int pwidth, int pheight, int pi) throws PrinterException\r
+  {\r
+\r
+    int idWidth = calculateIdWidth().width + 4;\r
+\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 totalRes = (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
@@ -208,7 +435,7 @@ public class AlignmentPanel extends GAlignmentPanel implements AdjustmentListene
     ////////////////\r
     //draw Scale\r
     pg.translate(idWidth,0);\r
-    scalePanel.scaleCanvas.drawScale(pg, startRes, endRes, pwidth-idWidth);\r
+    scalePanel.drawScale(pg, startRes, endRes, pwidth-idWidth);\r
 \r
     pg.translate(-idWidth, 30);\r
     ////////////////\r
@@ -217,7 +444,7 @@ public class AlignmentPanel extends GAlignmentPanel implements AdjustmentListene
     Color currentTextColor=null;\r
     for(int i=startSeq; i<endSeq; i++)\r
     {\r
-      if (av.getSelection().contains(av.getAlignment().getSequenceAt(i)))\r
+      if (av.getSelectionGroup()!=null && av.getSelectionGroup().sequences.contains(av.getAlignment().getSequenceAt(i)))\r
       {\r
         currentColor = Color.gray;\r
         currentTextColor = Color.black;\r
@@ -230,12 +457,15 @@ public class AlignmentPanel extends GAlignmentPanel implements AdjustmentListene
 \r
       pg.setColor(currentColor);\r
       pg.fillRect(0,  jalview.analysis.AlignmentUtil.getPixelHeight(startSeq, i, av.getCharHeight()),\r
-                              getWidth(),\r
+                              idWidth,\r
                               av.getCharHeight());\r
 \r
       pg.setColor(currentTextColor);\r
 \r
-      String string = av.getAlignment().getSequenceAt(i).getDisplayId();\r
+      String string = av.getAlignment().getSequenceAt(i).getName();\r
+      if(av.getShowFullId())\r
+        string = av.getAlignment().getSequenceAt(i).getDisplayId();\r
+\r
       pg.drawString(string, 0,  jalview.analysis.AlignmentUtil.getPixelHeight\r
                     (startSeq, i, av.getCharHeight()) + av.getCharHeight() - (av.getCharHeight() / 5));\r
     }\r
@@ -244,7 +474,178 @@ public class AlignmentPanel extends GAlignmentPanel implements AdjustmentListene
     pg.translate(idWidth,0);\r
     seqPanel.seqCanvas.drawPanel(pg,startRes,endRes,startSeq,endSeq,startRes,startSeq,0);\r
 \r
+\r
+    if(av.getShowAnnotation())\r
+      {\r
+        pg.translate(-idWidth,(endSeq-startSeq)*av.charHeight);\r
+        alabels.drawComponent((Graphics2D)pg);\r
+        pg.translate(idWidth,0);\r
+        annotationPanel.drawComponent((Graphics2D) pg, startRes, endRes+1);\r
+      }\r
+\r
     return Printable.PAGE_EXISTS;\r
   }\r
+\r
+\r
+  public int printWrappedAlignment(Graphics pg, int pwidth, int pheight, int pi) throws PrinterException\r
+  {\r
+\r
+    int idWidth = calculateIdWidth().width+4;\r
+\r
+    if( seqPanel.seqCanvas.getWidth() < pwidth-idWidth)\r
+      pwidth = seqPanel.seqCanvas.getWidth() + idWidth;\r
+\r
+\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
+    AlignmentI da = av.alignment;\r
+    int endy   = da.getHeight();\r
+    int chunkHeight =  (da.getHeight() + 2)*av.charHeight;\r
+    int chunkWidth  =   (pwidth-idWidth)/av.charWidth;\r
+\r
+    int noChunksOnPage = pheight / chunkHeight;\r
+    int totalChunks = da.getWidth() / chunkWidth;\r
+\r
+    if ( pi*noChunksOnPage > totalChunks )\r
+     return Printable.NO_SUCH_PAGE;\r
+\r
+    ////////////////\r
+    // Draw the ids\r
+    pg.setClip(0,0,pwidth, noChunksOnPage*chunkHeight);\r
+\r
+    int row = pi*noChunksOnPage;\r
+    pg.setColor(Color.black);\r
+    for(int ypos=2*av.charHeight;\r
+        ypos <= pheight && row*chunkWidth<da.getWidth();\r
+        ypos += chunkHeight, row++ )\r
+    {\r
+      for (int i = 0; i < endy; i++)\r
+      {\r
+        SequenceI s = da.getSequenceAt(i);\r
+        String string = s.getName();\r
+        if (av.getShowFullId())\r
+          string = s.getDisplayId();\r
+\r
+        pg.drawString(string, 0,\r
+                      AlignmentUtil.getPixelHeight(0, i, av.charHeight) + ypos +\r
+                      av.charHeight - (av.charHeight / 5));\r
+      }\r
+    }\r
+\r
+    // draw main sequence panel\r
+    pg.translate(idWidth,0);\r
+    seqPanel.seqCanvas.drawWrappedPanel(pg, pwidth-idWidth, pheight, pi*noChunksOnPage*chunkWidth);\r
+\r
+\r
+    return Printable.PAGE_EXISTS;\r
+\r
+  }\r
+\r
+\r
+  public void makeEPS()\r
+  {\r
+    int height = (av.alignment.getWidth() / av.getChunkWidth() +1) * av.chunkHeight;\r
+    int width = seqPanel.getWidth() + idPanel.getWidth();\r
+\r
+    if (!av.getWrapAlignment())\r
+    {\r
+      height = (av.alignment.getHeight()+1) * av.charHeight + 30;\r
+      width = idPanel.getWidth() + av.alignment.getWidth() * av.charWidth;\r
+    }\r
+    if(av.getShowAnnotation())\r
+   {\r
+     height += annotationPanel.getPreferredSize().height;\r
+   }\r
+\r
+    try\r
+    {\r
+      jalview.io.JalviewFileChooser chooser = new jalview.io.JalviewFileChooser(jalview.bin.Cache.getProperty(\r
+          "LAST_DIRECTORY"), new String[]{"eps"}, "Encapsulated Postscript");\r
+      chooser.setFileView(new jalview.io.JalviewFileView());\r
+      chooser.setDialogTitle("Create EPS file from alignment");\r
+      chooser.setToolTipText("Save");\r
+\r
+      int value = chooser.showSaveDialog(this);\r
+      if (value != jalview.io.JalviewFileChooser.APPROVE_OPTION)\r
+        return;\r
+\r
+      jalview.bin.Cache.setProperty("LAST_DIRECTORY",chooser.getSelectedFile().getPath());\r
+      FileOutputStream out = new FileOutputStream(chooser.getSelectedFile());\r
+      EpsGraphics2D pg = new EpsGraphics2D("Example", out, 0, 0, width, height);\r
+\r
+        if (av.getWrapAlignment())\r
+          printWrappedAlignment(pg, width, height, 0);\r
+        else\r
+          printUnwrapped(pg, width, height, 0);\r
+\r
+\r
+        pg.flush();\r
+        pg.close();\r
+    }\r
+    catch (Exception ex)\r
+    {\r
+      ex.printStackTrace();\r
+    }\r
+  }\r
+\r
+  public void makePNG()\r
+  {\r
+      int height = (av.alignment.getWidth() / av.getChunkWidth() +1) * av.chunkHeight;\r
+      int width = seqPanel.getWidth() + idPanel.getWidth();\r
+\r
+      if (!av.getWrapAlignment())\r
+      {\r
+        height = (av.alignment.getHeight()+1) * av.charHeight + 30;\r
+        width = idPanel.getWidth() + av.alignment.getWidth() * av.charWidth;\r
+      }\r
+\r
+      if(av.getShowAnnotation())\r
+      {\r
+        height += annotationPanel.getPreferredSize().height;\r
+      }\r
+\r
+\r
+System.out.println(width +" "+height);\r
+\r
+    try\r
+    {\r
+      jalview.io.JalviewFileChooser chooser = new jalview.io.JalviewFileChooser(jalview.bin.Cache.getProperty(\r
+          "LAST_DIRECTORY"), new String[]{"png"}, "Portable network graphics");\r
+      chooser.setFileView(new jalview.io.JalviewFileView());\r
+      chooser.setDialogTitle("Create EPS file from alignment");\r
+      chooser.setToolTipText("Save");\r
+\r
+      int value = chooser.showSaveDialog(this);\r
+      if (value != jalview.io.JalviewFileChooser.APPROVE_OPTION)\r
+        return;\r
+\r
+      jalview.bin.Cache.setProperty("LAST_DIRECTORY",chooser.getSelectedFile().getPath());\r
+      FileOutputStream out = new FileOutputStream(chooser.getSelectedFile());\r
+\r
+      BufferedImage bi = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);\r
+      Graphics png = bi.getGraphics();\r
+\r
+\r
+        if (av.getWrapAlignment())\r
+          printWrappedAlignment(png, width, height, 0);\r
+        else\r
+          printUnwrapped(png, width, height, 0);\r
+\r
+        ImageIO.write(bi, "png", out);\r
+        out.close();\r
+    }\r
+    catch (Exception ex)\r
+    {\r
+      ex.printStackTrace();\r
+    }\r
+  }\r
+\r
 }\r
 \r
+\r
+\r
+\r