Multiple Views
[jalview.git] / src / jalview / gui / SeqCanvas.java
index de421ed..56e70ac 100755 (executable)
+/*\r
+ * Jalview - A Sequence Alignment Editor and Viewer\r
+ * Copyright (C) 2006 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle\r
+ *\r
+ * This program is free software; you can redistribute it and/or\r
+ * modify it under the terms of the GNU General Public License\r
+ * as published by the Free Software Foundation; either version 2\r
+ * of the License, or (at your option) any later version.\r
+ *\r
+ * This program is distributed in the hope that it will be useful,\r
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
+ * GNU General Public License for more details.\r
+ *\r
+ * You should have received a copy of the GNU General Public License\r
+ * along with this program; if not, write to the Free Software\r
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA\r
+ */\r
 package jalview.gui;\r
 \r
+import jalview.datamodel.*;\r
+\r
 import java.awt.*;\r
+import java.awt.image.*;\r
+\r
 import javax.swing.*;\r
-import jalview.datamodel.*;\r
-import jalview.analysis.*;\r
 \r
 \r
-public class SeqCanvas extends JPanel\r
+/**\r
+ * DOCUMENT ME!\r
+ *\r
+ * @author $author$\r
+ * @version $Revision$\r
+ */\r
+public class SeqCanvas extends JComponent\r
 {\r
-     FeatureRenderer fr;\r
-    Image             img;\r
-    Graphics2D          gg;\r
-    int               imgWidth;\r
-    int               imgHeight;\r
+    final FeatureRenderer fr;\r
+    final SequenceRenderer sr;\r
+    BufferedImage img;\r
+    Graphics2D gg;\r
+    int imgWidth;\r
+    int imgHeight;\r
+    AlignViewport av;\r
+    SearchResults searchResults = null;\r
+    boolean fastPaint = false;\r
+    int LABEL_WEST;\r
+    int LABEL_EAST;\r
+\r
+\r
+    int cursorX = 0;\r
+    int cursorY = 0;\r
+\r
+\r
+    /**\r
+     * Creates a new SeqCanvas object.\r
+     *\r
+     * @param av DOCUMENT ME!\r
+     */\r
+    public SeqCanvas(AlignViewport av)\r
+    {\r
+        this.av = av;\r
+        fr = new FeatureRenderer(av);\r
+        sr = new SequenceRenderer(av);\r
+        setLayout(new BorderLayout());\r
+        PaintRefresher.Register(this, av.getSequenceSetId());\r
+        setBackground(Color.white);\r
+    }\r
 \r
-    AlignViewport     av;\r
+    MCview.PDBCanvas pdbCanvas;\r
+    public SequenceRenderer getSequenceRenderer()\r
+    {\r
+      return sr;\r
+    }\r
 \r
-    public boolean paintFlag = false;\r
+    public FeatureRenderer getFeatureRenderer()\r
+    {\r
+      return fr;\r
+    }\r
 \r
-    boolean showScores = false;\r
-    boolean displaySearch = false;\r
-    int [] searchResults = null;\r
+    public void setPDBCanvas(MCview.PDBCanvas pc)\r
+    {\r
+      pdbCanvas = pc;\r
+    }\r
 \r
-    int chunkHeight;\r
-    int chunkWidth;\r
+    public AlignViewport getViewport()\r
+    {\r
+      return av;\r
+    }\r
 \r
 \r
-    public SeqCanvas(AlignViewport av)\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param g DOCUMENT ME!\r
+     * @param startx DOCUMENT ME!\r
+     * @param endx DOCUMENT ME!\r
+     * @param ypos DOCUMENT ME!\r
+     */\r
+    void drawNorthScale(Graphics g, int startx, int endx, int ypos)\r
     {\r
-       this.av         = av;\r
-       fr = new FeatureRenderer(av);\r
-       setLayout(new BorderLayout());\r
-       PaintRefresher.Register(this);\r
+        int scalestartx = startx - (startx % 10) + 10;\r
 \r
-    }\r
+        g.setColor(Color.black);\r
 \r
-  public void drawScale(Graphics g, int startx, int endx,int ypos) {\r
-      int scalestartx = startx - startx%10 + 10;\r
+        // NORTH SCALE\r
+        for (int i = scalestartx; i < endx; i += 10)\r
+        {\r
+            int value = i;\r
+            if(av.hasHiddenColumns)\r
+                value = av.getColumnSelection().adjustForHiddenColumns(value);\r
 \r
-      g.setColor(Color.black);\r
+            g.drawString( String.valueOf(value), (i - startx - 1) * av.charWidth,\r
+                ypos - (av.charHeight / 2));\r
 \r
-      for (int i=scalestartx;i < endx;i+= 10)\r
-      {\r
-          String string = String.valueOf(i);\r
-          g.drawString(string,(i-startx-1)*av.charWidth,ypos - av.charHeight/2);\r
+            g.drawLine(((i - startx - 1) * av.charWidth) + (av.charWidth / 2),\r
+                (ypos + 2) - (av.charHeight / 2),\r
+                ((i - startx - 1) * av.charWidth) + (av.charWidth / 2), ypos -\r
+                2);\r
+        }\r
+    }\r
 \r
-          g.drawLine( (i-startx-1)*av.charWidth +av.charWidth/2, ypos+2 - av.charHeight/2,\r
-                    (i-startx-1)*av.charWidth +av.charWidth/2, ypos-2 );\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param g DOCUMENT ME!\r
+     * @param startx DOCUMENT ME!\r
+     * @param endx DOCUMENT ME!\r
+     * @param ypos DOCUMENT ME!\r
+     */\r
+    void drawWestScale(Graphics g, int startx, int endx, int ypos)\r
+    {\r
+        FontMetrics fm = getFontMetrics(av.getFont());\r
+        ypos += av.charHeight;\r
 \r
-      }\r
+        if(av.hasHiddenColumns)\r
+        {\r
+          startx = av.getColumnSelection().adjustForHiddenColumns(startx);\r
+          endx = av.getColumnSelection().adjustForHiddenColumns(endx);\r
+        }\r
 \r
-  }\r
+        int maxwidth = av.alignment.getWidth();\r
+        if (av.hasHiddenColumns)\r
+            maxwidth = av.getColumnSelection().findColumnPosition(maxwidth) - 1;\r
 \r
+        // WEST SCALE\r
+        for (int i = 0; i < av.alignment.getHeight(); i++)\r
+        {\r
+            SequenceI seq = av.alignment.getSequenceAt(i);\r
+            int index = startx;\r
+            int value = -1;\r
 \r
-public void fastPaint(int horizontal, int vertical)\r
-{\r
-    if(horizontal==0 && vertical==0)\r
-   {\r
-     return;\r
-   }\r
+            while (index < endx)\r
+            {\r
+                if (jalview.util.Comparison.isGap(seq.getCharAt(index)))\r
+                {\r
+                    index++;\r
 \r
+                    continue;\r
+                }\r
 \r
-   if (img==null || paintFlag)\r
-   {\r
-      repaint();\r
-      return;\r
-   }\r
+                value = av.alignment.getSequenceAt(i).findPosition(index);\r
 \r
-    gg.copyArea( 0,0, imgWidth, imgHeight, -horizontal*av.charWidth, -vertical*av.charHeight );\r
+                break;\r
+            }\r
 \r
- int sr=av.startRes, er=av.endRes+1, ss = av.startSeq, es = av.endSeq, transX=0, transY = 0;\r
- if(horizontal>0) // scrollbar pulled right, image to the left\r
- {\r
-   transX = (er-sr-horizontal)*av.charWidth;\r
-   sr = er - horizontal ;\r
- }\r
- else if(horizontal<0)\r
- {\r
-   er = sr-horizontal;\r
- }\r
+            if (value != -1)\r
+            {\r
+                int x = LABEL_WEST - fm.stringWidth(String.valueOf(value))-av.charWidth/2;\r
+                g.drawString(value + "", x,\r
+                    (ypos + (i * av.charHeight)) - (av.charHeight / 5));\r
+            }\r
+        }\r
+    }\r
 \r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param g DOCUMENT ME!\r
+     * @param startx DOCUMENT ME!\r
+     * @param endx DOCUMENT ME!\r
+     * @param ypos DOCUMENT ME!\r
+     */\r
+    void drawEastScale(Graphics g, int startx, int endx, int ypos)\r
+    {\r
+        ypos += av.charHeight;\r
 \r
+        if(av.hasHiddenColumns)\r
+                endx = av.getColumnSelection().adjustForHiddenColumns(endx);\r
 \r
+        SequenceI seq;\r
+        // EAST SCALE\r
+        for (int i = 0; i < av.alignment.getHeight(); i++)\r
+        {\r
+            seq = av.alignment.getSequenceAt(i);\r
+            int index = endx;\r
+            int value = -1;\r
 \r
- if(vertical>0)    // scroll down\r
- {\r
-   transY = imgHeight - vertical*av.charHeight;\r
-   ss = es - vertical;\r
- }\r
- else if(vertical<0)\r
- {\r
+            while (index > startx)\r
+            {\r
+                if (jalview.util.Comparison.isGap(seq.getCharAt(index)))\r
+                {\r
+                    index--;\r
 \r
-     es = ss-vertical;\r
+                    continue;\r
+                }\r
 \r
- }\r
+                value = seq.findPosition(index);\r
 \r
-    gg.translate(transX, transY);\r
+                break;\r
+            }\r
 \r
-    drawPanel(gg, sr,er,ss,es,sr,ss,0);\r
+            if (value != -1)\r
+            {\r
+                g.drawString(String.valueOf(value), 0,\r
+                    (ypos + (i * av.charHeight)) - (av.charHeight / 5));\r
+            }\r
+        }\r
+    }\r
 \r
-    gg.translate( -transX, -transY );\r
-    getGraphics().drawImage(img,0,0,this);\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param horizontal DOCUMENT ME!\r
+     * @param vertical DOCUMENT ME!\r
+     */\r
+    public void fastPaint(int horizontal, int vertical)\r
+    {\r
+        if (gg == null)\r
+        {\r
+            return;\r
+        }\r
 \r
-}\r
 \r
-/**\r
- * Definitions of startx and endx (hopefully):\r
- * SMJS This is what I'm working towards!\r
- *   startx is the first residue (starting at 0) to display.\r
- *   endx   is the last residue to display (starting at 0).\r
- *   starty is the first sequence to display (starting at 0).\r
- *   endy   is the last sequence to display (starting at 0).\r
- * NOTE 1: The av limits are set in setFont in this class and\r
- * in the adjustment listener in SeqPanel when the scrollbars move.\r
- */\r
+        fastPaint = true;\r
 \r
-  public void paintComponent(Graphics g)\r
-  {\r
-    // this draws the whole of the alignment\r
+        gg.copyArea(horizontal * av.charWidth,\r
+                    vertical * av.charHeight,\r
+                    imgWidth,\r
+                    imgHeight,\r
+                    -horizontal * av.charWidth,\r
+                    -vertical * av.charHeight);\r
 \r
-      imgWidth  = getWidth();\r
-      imgHeight = getHeight();\r
+        int sr = av.startRes;\r
+        int er = av.endRes;\r
+        int ss = av.startSeq;\r
+        int es = av.endSeq;\r
+        int transX = 0;\r
+        int transY = 0;\r
 \r
-      imgWidth -= imgWidth%av.charWidth;\r
-      imgHeight-= imgHeight%av.charHeight;\r
 \r
-      img = createImage(imgWidth,imgHeight);\r
-      gg  = (Graphics2D)img.getGraphics();\r
-      gg.setFont(av.getFont());\r
-      gg.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON);\r
-      gg.setClip(0,0,imgWidth, imgHeight);\r
-      paintFlag = false;\r
+        if (horizontal > 0) // scrollbar pulled right, image to the left\r
+        {\r
+            er ++;\r
+            transX = (er - sr - horizontal) * av.charWidth;\r
+            sr = er - horizontal;\r
+        }\r
+        else if (horizontal < 0)\r
+        {\r
+            er = sr - horizontal-1;\r
+        }\r
+        else if (vertical > 0) // scroll down\r
+        {\r
+            ss = es - vertical;\r
 \r
+            if (ss < av.startSeq)\r
+            { // ie scrolling too fast, more than a page at a time\r
+                ss = av.startSeq;\r
+            }\r
+            else\r
+            {\r
+                transY = imgHeight - (vertical * av.charHeight);\r
+            }\r
+        }\r
+        else if (vertical < 0)\r
+        {\r
+            es = ss - vertical;\r
 \r
-    chunkWidth  =   getWidth()/av.charWidth;\r
-    chunkHeight =  (av.getAlignment().getHeight() + 2)*av.charHeight;\r
+            if (es > av.endSeq)\r
+            {\r
+                es = av.endSeq;\r
+            }\r
+        }\r
 \r
-    av.setChunkHeight(chunkHeight);\r
-    av.setChunkWidth(chunkWidth);\r
+        gg.translate(transX, transY);\r
+        drawPanel(gg, sr, er, ss, es, 0);\r
+        gg.translate(-transX, -transY);\r
 \r
-    g.setColor(Color.WHITE);\r
-    g.fillRect(0,0,getWidth(), getHeight());\r
+        repaint();\r
+    }\r
 \r
-    if (av.getWrapAlignment())\r
-      drawWrappedPanel(gg, getWidth(), getHeight(), av.startRes);\r
-    else\r
-      drawPanel(gg, av.startRes, av.endRes, av.startSeq, av.endSeq, av.startRes, av.startSeq, 0);\r
+    /**\r
+     * Definitions of startx and endx (hopefully):\r
+     * SMJS This is what I'm working towards!\r
+     *   startx is the first residue (starting at 0) to display.\r
+     *   endx   is the last residue to display (starting at 0).\r
+     *   starty is the first sequence to display (starting at 0).\r
+     *   endy   is the last sequence to display (starting at 0).\r
+     * NOTE 1: The av limits are set in setFont in this class and\r
+     * in the adjustment listener in SeqPanel when the scrollbars move.\r
+     */\r
+\r
+    // Set this to false to force a full panel paint\r
+    public void paintComponent(Graphics g)\r
+    {\r
+        super.paintComponent(g);\r
 \r
 \r
-    g.drawImage(img,0,0,this);\r
 \r
-  }\r
+        if ( img != null && (fastPaint\r
+             || (getVisibleRect().width != g.getClipBounds().width)\r
+             || (getVisibleRect().height != g.getClipBounds().height)))\r
+        {\r
+            g.drawImage(img, 0, 0, this);\r
+            fastPaint = false;\r
+            return;\r
+        }\r
 \r
-  public void drawWrappedPanel(Graphics g, int canvasWidth, int canvasHeight, int startRes)\r
-  {\r
-      AlignmentI da = av.getAlignment();\r
 \r
-      int cWidth  =   canvasWidth/av.charWidth;\r
-      int cHeight =  (av.getAlignment().getHeight() + 2)*av.charHeight;\r
+        // this draws the whole of the alignment\r
+        imgWidth = getWidth();\r
+        imgHeight = getHeight();\r
 \r
-      int  endx   = startRes+cWidth-1;\r
-      int ypos  = 2*av.charHeight;\r
+        imgWidth -= (imgWidth % av.charWidth);\r
+        imgHeight -= (imgHeight % av.charHeight);\r
 \r
-      while (ypos <= canvasHeight)\r
-      {\r
-        drawScale(g, startRes, endx, ypos);\r
-        drawPanel(g, startRes, endx, 0, da.getHeight(), startRes, 0, ypos);\r
+        if ((imgWidth < 1) || (imgHeight < 1))\r
+        {\r
+            return;\r
+        }\r
 \r
-        ypos += cHeight;\r
-        startRes += cWidth;\r
-        endx = startRes + cWidth - 1;\r
+        if (img == null || imgWidth != img.getWidth() || imgHeight != img.getHeight())\r
+        {\r
+          try{\r
+            img = new BufferedImage(imgWidth, imgHeight,\r
+                                    BufferedImage.TYPE_INT_RGB);\r
+            gg = (Graphics2D) img.getGraphics();\r
+            gg.setFont(av.getFont());\r
+          }catch(OutOfMemoryError er)\r
+          {\r
+            System.gc();\r
+            System.out.println(er +" making image, SeqCanvas");\r
+            javax.swing.SwingUtilities.invokeLater(new Runnable()\r
+            {\r
+              public void run()\r
+              {\r
+                javax.swing.JOptionPane.showInternalMessageDialog(Desktop.\r
+                    desktop,\r
+                    "Out of memory creating alignment image!!"\r
+                    +\r
+                    "\nSee help files for increasing Java Virtual Machine memory."\r
+                    , "Out of memory",\r
+                    javax.swing.JOptionPane.WARNING_MESSAGE);\r
+              }\r
+            });\r
 \r
-        if (endx > da.getWidth())\r
-          endx = da.getWidth();\r
-      }\r
+            return;\r
+          }\r
+        }\r
 \r
-  }\r
+        if (av.antiAlias)\r
+          gg.setRenderingHint(RenderingHints.KEY_ANTIALIASING,\r
+                              RenderingHints.VALUE_ANTIALIAS_ON);\r
 \r
+        gg.setColor(Color.white);\r
+        gg.fillRect(0, 0, imgWidth, imgHeight);\r
 \r
-  public void drawPanel(Graphics g1,int x1,int x2, int y1, int y2,int startx, int starty,int offset) {\r
 \r
+        if (av.getWrapAlignment())\r
+        {\r
+            drawWrappedPanel(gg, getWidth(), getHeight(), av.startRes);\r
+        }\r
+        else\r
+        {\r
+            drawPanel(gg, av.startRes, av.endRes, av.startSeq, av.endSeq, 0);\r
+        }\r
+\r
+        g.drawImage(img, 0, 0, this);\r
 \r
-   Graphics2D g = (Graphics2D)g1;\r
-    g.setFont(av.getFont());\r
-    RendererI sr = av.getRenderer();\r
+        if (pdbCanvas != null)\r
+        {\r
+           pdbCanvas.updateSeqColours();\r
+        }\r
 \r
-    /*Vector    pid    = av.getConsensus(false);\r
-    Vector tmpseq = new Vector();\r
-    for (int i = 0; i < av.getAlignment().getHeight(); i++)\r
-       if (!av.getSelection().contains(av.getAlignment().getSequenceAt(i)))\r
-           tmpseq.addElement(av.getAlignment().getSequenceAt(i));\r
+    }\r
 \r
-    if (sr instanceof SequenceRenderer)\r
-       pid    = AAFrequency.calculate(tmpseq,x1,x2);\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param cwidth DOCUMENT ME!\r
+     *\r
+     * @return DOCUMENT ME!\r
+     */\r
+    public int getWrappedCanvasWidth(int cwidth)\r
+    {\r
+        FontMetrics fm = getFontMetrics(av.getFont());\r
 \r
-    else if (sr instanceof GraphRenderer)\r
-       pid = AAFrequency.calculatePID(av.getAlignment().getSequenceAt(0),\r
-                                      av.getAlignment().getSequences(),\r
-                                      av.getPIDWindow(),x1,x2);\r
+        LABEL_EAST = 0;\r
+        LABEL_WEST = 0;\r
 \r
-*/\r
+        if (av.scaleRightWrapped)\r
+        {\r
+            LABEL_EAST = fm.stringWidth(getMask());\r
+        }\r
 \r
-   /* if (y2 > starty && y1 < av.getEndSeq())\r
-    {\r
-       fillBackground(g,\r
-                   Color.red,\r
-                   (x1-startx)*charWidth,\r
-                   offset + AlignmentUtil.getPixelHeight(starty,y1,av.getCharHeight()),\r
-                   (x2-x1+1)*charWidth,\r
-                   offset + AlignmentUtil.getPixelHeight(y1,y2,av.getCharHeight()));\r
-    }*/\r
-\r
-    SequenceI nextSeq;\r
-\r
-    /// First draw the sequences\r
-    /////////////////////////////\r
-    for (int i = y1 ; i < y2 ;i++)\r
-    {\r
-     nextSeq = av.getAlignment().getSequenceAt(i);\r
-\r
-     sr.drawSequence(g, nextSeq, av.alignment.findAllGroups( nextSeq ),x1,x2,\r
-                 (x1 - startx) * av.charWidth,\r
-                 offset + AlignmentUtil.getPixelHeight(starty, i, av.charHeight),\r
-                 av.charWidth,av.charHeight,null, i);\r
-\r
-     if(av.showSequenceFeatures)\r
-     {\r
-       fr.drawSequence(g, nextSeq, av.alignment.findAllGroups( nextSeq ), x1, x2,\r
-                       (x1 - startx) * av.charWidth,\r
-                       offset +\r
-                       AlignmentUtil.getPixelHeight(starty, i, av.charHeight),\r
-                       av.charWidth, av.charHeight, null, i);\r
-     }\r
+        if (av.scaleLeftWrapped)\r
+        {\r
+            LABEL_WEST = fm.stringWidth(getMask());\r
+        }\r
+\r
+        return (cwidth - LABEL_EAST - LABEL_WEST) / av.charWidth;\r
     }\r
-    //\r
-    /////////////////////////////////////\r
 \r
-    // Now outline any areas if necessary\r
-    /////////////////////////////////////\r
-    SequenceGroup group = av.getSelectionGroup();\r
-    java.util.Vector groups = av.alignment.getGroups();\r
 \r
-    int sx = -1, sy = -1, ex = -1;\r
-    int groupIndex = -1;\r
-    if (group == null && groups.size() > 0)\r
+    /**\r
+     * Generates a string of zeroes.\r
+     * @return String\r
+     */\r
+    String getMask()\r
     {\r
-      group = (SequenceGroup) groups.elementAt(0);\r
-      groupIndex = 0;\r
+      String mask = "00";\r
+      for (int i = av.alignment.getWidth(); i > 0; i /= 10)\r
+      {\r
+        mask += "0";\r
+      }\r
+      return mask;\r
     }\r
 \r
-    if (group != null)\r
-      do\r
-      {\r
-        int oldY = -1;\r
-        int i = 0;\r
-        boolean inGroup = false;\r
-        for (i = y1; i < y2; i++)\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param g DOCUMENT ME!\r
+     * @param canvasWidth DOCUMENT ME!\r
+     * @param canvasHeight DOCUMENT ME!\r
+     * @param startRes DOCUMENT ME!\r
+     */\r
+    public void drawWrappedPanel(Graphics g, int canvasWidth, int canvasHeight,\r
+        int startRes)\r
+    {\r
+        AlignmentI al = av.getAlignment();\r
+\r
+        FontMetrics fm = getFontMetrics(av.getFont());\r
+\r
+\r
+        if (av.scaleRightWrapped)\r
+        {\r
+            LABEL_EAST = fm.stringWidth(getMask());\r
+        }\r
+\r
+\r
+        if (av.scaleLeftWrapped)\r
+        {\r
+            LABEL_WEST = fm.stringWidth(getMask());\r
+        }\r
+\r
+        int hgap = av.charHeight;\r
+        if(av.scaleAboveWrapped)\r
+          hgap += av.charHeight;\r
+\r
+        int cWidth = (canvasWidth - LABEL_EAST - LABEL_WEST) / av.charWidth;\r
+        int cHeight = av.getAlignment().getHeight() * av.charHeight;\r
+\r
+        av.setWrappedWidth(cWidth);\r
+\r
+        av.endRes = av.startRes + cWidth;\r
+\r
+\r
+        int endx;\r
+        int ypos = hgap;\r
+        int maxwidth = av.alignment.getWidth();\r
+\r
+        if(av.hasHiddenColumns)\r
+          maxwidth = av.getColumnSelection().findColumnPosition(maxwidth)-1;\r
+\r
+        while ((ypos <= canvasHeight) && (startRes < maxwidth))\r
         {\r
-          sx = (group.getStartRes() - startx) * av.charWidth;\r
-          sy = offset + AlignmentUtil.getPixelHeight(starty, i, av.charHeight);\r
-          ex = (group.getEndRes() + 1 - group.getStartRes()) * av.charWidth;\r
+          endx = startRes + cWidth -1;\r
 \r
-          if (group.sequences.contains(av.alignment.getSequenceAt(i))\r
-              && sx < getWidth()\r
-              && ex > 0)\r
+          if (endx > maxwidth)\r
           {\r
-            if (!inGroup)\r
+            endx = maxwidth;\r
+          }\r
+\r
+            g.setFont(av.getFont());\r
+            g.setColor(Color.black);\r
+\r
+            if (av.scaleLeftWrapped)\r
             {\r
-              oldY = sy;\r
-              inGroup = true;\r
-              if (group == av.getSelectionGroup())\r
-              {\r
-            //    g.setStroke(new BasicStroke(1, BasicStroke.CAP_BUTT, BasicStroke.JOIN_ROUND, 3f, new float[]{5f,2f,2f}, 0f ));\r
-                g.setColor(Color.RED);\r
-              }\r
-              else\r
+                drawWestScale(g, startRes, endx, ypos);\r
+            }\r
+\r
+            if (av.scaleRightWrapped)\r
+            {\r
+                g.translate(canvasWidth - LABEL_EAST, 0);\r
+                drawEastScale(g, startRes, endx, ypos);\r
+                g.translate(-(canvasWidth - LABEL_EAST), 0);\r
+            }\r
+\r
+            g.translate(LABEL_WEST, 0);\r
+\r
+            if (av.scaleAboveWrapped)\r
+            {\r
+                drawNorthScale(g, startRes, endx, ypos);\r
+            }\r
+\r
+            if (av.hasHiddenColumns && av.showHiddenMarkers)\r
+            {\r
+              g.setColor(Color.blue);\r
+              int res;\r
+              for (int i = 0; i < av.getColumnSelection().getHiddenColumns().size();\r
+                   i++)\r
               {\r
-                g.setStroke(new BasicStroke());\r
-                g.setColor(group.getOutlineColour());\r
+                res = av.getColumnSelection().findHiddenRegionPosition(i) -\r
+                    startRes;\r
+\r
+                if (res < 0 || res > endx - startRes)\r
+                  continue;\r
+\r
+                gg.fillPolygon(new int[]\r
+                               {res * av.charWidth - av.charHeight / 4,\r
+                               res * av.charWidth + av.charHeight / 4,\r
+                               res * av.charWidth},\r
+                               new int[]\r
+                               {\r
+                               ypos - (av.charHeight / 2),\r
+                               ypos - (av.charHeight / 2),\r
+                               ypos - (av.charHeight / 2) + 8\r
+                }, 3);\r
+\r
               }\r
             }\r
-          }\r
-          else\r
-          {\r
-            if (inGroup)\r
+\r
+\r
+\r
+            // When printing we have an extra clipped region,\r
+            // the Printable page which we need to account for here\r
+            Shape clip = g.getClip();\r
+\r
+            if (clip == null)\r
             {\r
-              g.drawRect(sx, oldY, ex, (sy - oldY));\r
-              inGroup = false;\r
+                g.setClip(0, 0, cWidth * av.charWidth, canvasHeight);\r
+            }\r
+            else\r
+            {\r
+                g.setClip(0, (int) clip.getBounds().getY(),\r
+                    cWidth * av.charWidth, (int) clip.getBounds().getHeight());\r
             }\r
-          }\r
-        }\r
-        if (inGroup)\r
-        {\r
-          sy = offset + AlignmentUtil.getPixelHeight(starty, i, av.charHeight);\r
-          g.drawRect(sx, oldY, ex, (sy - oldY));\r
-          inGroup = false;\r
-        }\r
 \r
-        groupIndex++;\r
-        if (groupIndex >= groups.size())\r
-          break;\r
+            drawPanel(g, startRes, endx, 0, al.getHeight(), ypos);\r
 \r
-        group = (SequenceGroup) groups.elementAt(groupIndex);\r
+            if(av.showAnnotation)\r
+            {\r
+              g.translate(0, cHeight + ypos + 3);\r
+              if(annotations==null)\r
+                annotations = new AnnotationPanel(av);\r
 \r
-      }\r
-      while (groupIndex < groups.size());\r
+              annotations.drawComponent( (Graphics2D) g, startRes, endx+1);\r
+              g.translate(0, -cHeight - ypos);\r
+            }\r
+            g.setClip(clip);\r
+            g.translate(-LABEL_WEST, 0);\r
 \r
+            ypos += cHeight+getAnnotationHeight()+hgap;\r
+            if(av.showAnnotation)\r
+              ypos -= 3;\r
 \r
-    /// Highlight search Results once all sequences have been drawn\r
-    //////////////////////////////////////////////////////////\r
-    if(displaySearch)\r
+            startRes += cWidth;\r
+        }\r
+    }\r
+\r
+    AnnotationPanel annotations;\r
+    int getAnnotationHeight()\r
     {\r
-      for(int r=0; r<searchResults.length; r+=3)\r
+      if(!av.showAnnotation)\r
+        return 0;\r
+\r
+      if(annotations==null)\r
+        annotations = new AnnotationPanel(av);\r
+\r
+      return annotations.adjustPanelHeight();\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param g1 DOCUMENT ME!\r
+     * @param startRes DOCUMENT ME!\r
+     * @param endRes DOCUMENT ME!\r
+     * @param startSeq DOCUMENT ME!\r
+     * @param endSeq DOCUMENT ME!\r
+     * @param offset DOCUMENT ME!\r
+     */\r
+    void drawPanel(Graphics g1, int startRes, int endRes,\r
+                    int startSeq, int endSeq, int offset)\r
+    {\r
+      if(!av.hasHiddenColumns)\r
       {\r
-        int searchSeq = searchResults[r];\r
-        int searchStart = searchResults[r+1];\r
-        int searchEnd = searchResults[r+2];\r
+        draw(g1, startRes, endRes, startSeq, endSeq, offset);\r
+      }\r
+      else\r
+      {\r
+        java.util.Vector regions = av.getColumnSelection().getHiddenColumns();\r
+\r
+        int screenY = 0;\r
+        int blockStart = startRes;\r
+        int blockEnd = endRes;\r
 \r
-        if (searchSeq >= y1 && searchSeq < y2)\r
+        for (int i = 0; i < regions.size(); i++)\r
         {\r
-          SequenceRenderer ssr = (SequenceRenderer) sr;\r
-          ssr.drawHighlightedText(av.getAlignment().getSequenceAt(searchSeq),\r
-                                  searchStart,\r
-                                  searchEnd,\r
-                                  (searchStart - startx) * av.charWidth,\r
-                                  offset +\r
-                                  AlignmentUtil.getPixelHeight(starty, searchSeq,\r
-              av.charHeight),\r
-                                  av.charWidth,\r
-                                  av.charHeight);\r
+          int[] region = (int[]) regions.elementAt(i);\r
+          int hideStart = region[0];\r
+          int hideEnd = region[1];\r
+\r
+          if (hideStart <= blockStart)\r
+          {\r
+            blockStart += (hideEnd - hideStart) + 1;\r
+            continue;\r
+          }\r
+\r
+          blockEnd = hideStart - 1;\r
+\r
+          g1.translate(screenY * av.charWidth, 0);\r
+\r
+          draw(g1, blockStart, blockEnd, startSeq, endSeq, offset);\r
+\r
+          if(av.getShowHiddenMarkers())\r
+          {\r
+            g1.setColor(Color.blue);\r
+\r
+            g1.drawLine( (blockEnd - blockStart + 1) * av.charWidth - 1,\r
+                        0 + offset,\r
+                        (blockEnd - blockStart + 1) * av.charWidth - 1,\r
+                        (endSeq - startSeq) * av.charHeight + offset);\r
+          }\r
+\r
+          g1.translate( -screenY * av.charWidth, 0);\r
+          screenY += blockEnd - blockStart + 1;\r
+          blockStart = hideEnd + 1;\r
+        }\r
+\r
+        if (screenY <= (endRes - startRes))\r
+        {\r
+          blockEnd = blockStart + (endRes - startRes) - screenY;\r
+          g1.translate(screenY * av.charWidth, 0);\r
+          draw(g1, blockStart, blockEnd, startSeq, endSeq, offset);\r
+\r
+          g1.translate( -screenY * av.charWidth, 0);\r
         }\r
       }\r
+\r
     }\r
 \r
-  }\r
 \r
 \r
-  public int getChunkWidth() {\r
-    return chunkWidth;\r
-  }\r
 \r
-  public void highlightSearchResults(int [] results)\r
-  {\r
-    // results are in the order sequence, startRes, endRes\r
-    if(results==null)\r
-      displaySearch = false;\r
-    else\r
-      displaySearch = true;\r
+    //int startRes, int endRes, int startSeq, int endSeq, int x, int y,\r
+    // int x1, int x2, int y1, int y2, int startx, int starty,\r
+    void draw(Graphics g,\r
+                   int startRes, int endRes,\r
+                   int startSeq, int endSeq,\r
+                   int offset)\r
+   {\r
+      g.setFont(av.getFont());\r
+      sr.prepare(g, av.renderGaps);\r
+\r
+      SequenceI nextSeq;\r
+\r
+        /// First draw the sequences\r
+        /////////////////////////////\r
+        for (int i = startSeq; i < endSeq; i++)\r
+        {\r
+            nextSeq = av.alignment.getSequenceAt(i);\r
+\r
+            sr.drawSequence(nextSeq, av.alignment.findAllGroups(nextSeq),\r
+                            startRes, endRes,\r
+                            offset + ( (i - startSeq) * av.charHeight));\r
+\r
+            if (av.showSequenceFeatures)\r
+            {\r
+                fr.drawSequence(g, nextSeq, startRes, endRes,\r
+                    offset + ((i - startSeq) * av.charHeight));\r
+            }\r
+\r
+            /// Highlight search Results once all sequences have been drawn\r
+            //////////////////////////////////////////////////////////\r
+            if (searchResults != null)\r
+            {\r
+              int[] visibleResults = searchResults.getResults(nextSeq, startRes, endRes);\r
+              if (visibleResults != null)\r
+                for (int r = 0; r < visibleResults.length; r += 2)\r
+                {\r
+                  sr.drawHighlightedText(nextSeq, visibleResults[r],\r
+                                         visibleResults[r + 1],\r
+                                         (visibleResults[r] - startRes) * av.charWidth,\r
+                                         offset + ( (i - startSeq) * av.charHeight));\r
+                }\r
+            }\r
+\r
+            if(av.cursorMode && cursorY==i\r
+               && cursorX>=startRes && cursorX<=endRes)\r
+            {\r
+              sr.drawCursor(nextSeq, cursorX, (cursorX - startRes) * av.charWidth,\r
+                            offset + ( (i - startSeq) * av.charHeight));\r
+            }\r
+          }\r
+\r
+          if(av.getSelectionGroup()!=null || av.alignment.getGroups().size()>0)\r
+            drawGroupsBoundaries(g, startRes, endRes, startSeq, endSeq, offset);\r
+\r
+   }\r
+\r
+   void drawGroupsBoundaries(Graphics g1,\r
+                   int startRes, int endRes,\r
+                   int startSeq, int endSeq,\r
+                   int offset)\r
+   {\r
+       Graphics2D g = (Graphics2D)g1;\r
+        //\r
+        /////////////////////////////////////\r
+        // Now outline any areas if necessary\r
+        /////////////////////////////////////\r
+        SequenceGroup group = av.getSelectionGroup();\r
+\r
+        int sx = -1;\r
+        int sy = -1;\r
+        int ex = -1;\r
+        int groupIndex = -1;\r
+        int visWidth = (endRes - startRes +1) * av.charWidth;\r
+\r
+        if ((group == null) && (av.alignment.getGroups().size() > 0))\r
+        {\r
+            group = (SequenceGroup) av.alignment.getGroups().elementAt(0);\r
+            groupIndex = 0;\r
+        }\r
 \r
-    searchResults = results;\r
 \r
-    paintFlag = true;\r
-    repaint();\r
-  }\r
+        if (group != null)\r
+        {\r
+            do\r
+            {\r
+                int oldY = -1;\r
+                int i = 0;\r
+                boolean inGroup = false;\r
+                int top = -1;\r
+                int bottom = -1;\r
+\r
+                for (i = startSeq; i < endSeq; i++)\r
+                {\r
+                    sx = (group.getStartRes() - startRes) * av.charWidth;\r
+                    sy = offset + ((i - startSeq) * av.charHeight);\r
+                    ex = (((group.getEndRes() + 1) - group.getStartRes()) * av.charWidth) -\r
+                        1;\r
+\r
+                    if(sx+ex<0 || sx>visWidth)\r
+                    {\r
+                      continue;\r
+                    }\r
+\r
+                    if ( (sx <= (endRes-startRes)*av.charWidth) &&\r
+                            group.getSequences(false).\r
+                            contains(av.alignment.getSequenceAt(i)))\r
+                    {\r
+                        if ((bottom == -1) &&\r
+                                !group.getSequences(false).contains(\r
+                                    av.alignment.getSequenceAt(i + 1)))\r
+                        {\r
+                            bottom = sy + av.charHeight;\r
+                        }\r
+\r
+                        if (!inGroup)\r
+                        {\r
+                            if (((top == -1) && (i == 0)) ||\r
+                                    !group.getSequences(false).contains(\r
+                                        av.alignment.getSequenceAt(i - 1)))\r
+                            {\r
+                                top = sy;\r
+                            }\r
+\r
+                            oldY = sy;\r
+                            inGroup = true;\r
+\r
+                            if (group == av.getSelectionGroup())\r
+                            {\r
+                                g.setStroke(new BasicStroke(1,\r
+                                        BasicStroke.CAP_BUTT,\r
+                                        BasicStroke.JOIN_ROUND, 3f,\r
+                                        new float[] { 5f, 3f }, 0f));\r
+                                g.setColor(Color.RED);\r
+                            }\r
+                            else\r
+                            {\r
+                                g.setStroke(new BasicStroke());\r
+                                g.setColor(group.getOutlineColour());\r
+                            }\r
+                        }\r
+                    }\r
+                    else\r
+                    {\r
+                      if (inGroup)\r
+                      {\r
+                        if (sx >= 0 && sx < visWidth)\r
+                          g.drawLine(sx, oldY, sx, sy);\r
+\r
+                        if (sx + ex < visWidth)\r
+                          g.drawLine(sx + ex, oldY, sx + ex, sy);\r
+\r
+                        if (sx < 0)\r
+                        {\r
+                          ex += sx;\r
+                          sx = 0;\r
+                        }\r
+\r
+                        if (sx + ex > visWidth)\r
+                          ex = visWidth;\r
+\r
+                        else if (sx + ex >= (endRes - startRes + 1) * av.charWidth)\r
+                          ex = (endRes - startRes + 1) * av.charWidth;\r
+\r
+                        if (top != -1)\r
+                        {\r
+                          g.drawLine(sx, top, sx + ex, top);\r
+                          top = -1;\r
+                        }\r
+\r
+                        if (bottom != -1)\r
+                        {\r
+                          g.drawLine(sx, bottom, sx + ex, bottom);\r
+                          bottom = -1;\r
+                        }\r
+\r
+                        inGroup = false;\r
+                        }\r
+                    }\r
+                }\r
+\r
+                if (inGroup)\r
+                {\r
+                  sy = offset + ( (i - startSeq) * av.charHeight);\r
+                  if (sx >= 0 && sx < visWidth)\r
+                    g.drawLine(sx, oldY, sx, sy);\r
+\r
+                  if (sx + ex < visWidth)\r
+                    g.drawLine(sx + ex, oldY, sx + ex, sy);\r
+\r
+                  if (sx < 0)\r
+                  {\r
+                    ex += sx;\r
+                    sx = 0;\r
+                  }\r
+\r
+                  if (sx + ex > visWidth)\r
+                    ex = visWidth;\r
+                  else if (sx + ex >= (endRes - startRes + 1) * av.charWidth)\r
+                    ex = (endRes - startRes + 1) * av.charWidth;\r
+\r
+                  if (top != -1)\r
+                  {\r
+                    g.drawLine(sx, top, sx + ex, top);\r
+                    top = -1;\r
+                  }\r
+\r
+                  if (bottom != -1)\r
+                  {\r
+                    g.drawLine(sx, bottom - 1, sx + ex, bottom - 1);\r
+                    bottom = -1;\r
+                  }\r
+\r
+                    inGroup = false;\r
+                }\r
+\r
+                groupIndex++;\r
 \r
+                g.setStroke(new BasicStroke());\r
 \r
+                if (groupIndex >= av.alignment.getGroups().size())\r
+                {\r
+                    break;\r
+                }\r
+\r
+                group = (SequenceGroup) av.alignment.getGroups().elementAt(groupIndex);\r
+\r
+\r
+            }\r
+            while (groupIndex < av.alignment.getGroups().size());\r
+\r
+        }\r
+\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param results DOCUMENT ME!\r
+     */\r
+    public void highlightSearchResults(SearchResults results)\r
+    {\r
+        img = null;\r
+\r
+        searchResults = results;\r
+\r
+        repaint();\r
+    }\r
 }\r