Multiple Views
[jalview.git] / src / jalview / gui / SeqCanvas.java
index b1b63b3..56e70ac 100755 (executable)
@@ -1,6 +1,6 @@
 /*\r
  * Jalview - A Sequence Alignment Editor and Viewer\r
- * Copyright (C) 2005 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle\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
@@ -34,21 +34,23 @@ import javax.swing.*;
  */\r
 public class SeqCanvas extends JComponent\r
 {\r
-    FeatureRenderer fr;\r
-    SequenceRenderer sr;\r
+    final FeatureRenderer fr;\r
+    final SequenceRenderer sr;\r
     BufferedImage img;\r
     Graphics2D gg;\r
     int imgWidth;\r
     int imgHeight;\r
     AlignViewport av;\r
-    boolean displaySearch = false;\r
-    int[] searchResults = null;\r
-    int chunkHeight;\r
-    int chunkWidth;\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
@@ -60,10 +62,32 @@ public class SeqCanvas extends JComponent
         fr = new FeatureRenderer(av);\r
         sr = new SequenceRenderer(av);\r
         setLayout(new BorderLayout());\r
-        PaintRefresher.Register(this, av.alignment);\r
+        PaintRefresher.Register(this, av.getSequenceSetId());\r
         setBackground(Color.white);\r
     }\r
 \r
+    MCview.PDBCanvas pdbCanvas;\r
+    public SequenceRenderer getSequenceRenderer()\r
+    {\r
+      return sr;\r
+    }\r
+\r
+    public FeatureRenderer getFeatureRenderer()\r
+    {\r
+      return fr;\r
+    }\r
+\r
+    public void setPDBCanvas(MCview.PDBCanvas pc)\r
+    {\r
+      pdbCanvas = pc;\r
+    }\r
+\r
+    public AlignViewport getViewport()\r
+    {\r
+      return av;\r
+    }\r
+\r
+\r
     /**\r
      * DOCUMENT ME!\r
      *\r
@@ -81,8 +105,11 @@ public class SeqCanvas extends JComponent
         // NORTH SCALE\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,\r
+            int value = i;\r
+            if(av.hasHiddenColumns)\r
+                value = av.getColumnSelection().adjustForHiddenColumns(value);\r
+\r
+            g.drawString( String.valueOf(value), (i - startx - 1) * av.charWidth,\r
                 ypos - (av.charHeight / 2));\r
 \r
             g.drawLine(((i - startx - 1) * av.charWidth) + (av.charWidth / 2),\r
@@ -105,7 +132,17 @@ public class SeqCanvas extends JComponent
         FontMetrics fm = getFontMetrics(av.getFont());\r
         ypos += av.charHeight;\r
 \r
-        // EAST SCALE\r
+        if(av.hasHiddenColumns)\r
+        {\r
+          startx = av.getColumnSelection().adjustForHiddenColumns(startx);\r
+          endx = av.getColumnSelection().adjustForHiddenColumns(endx);\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
@@ -147,10 +184,14 @@ public class SeqCanvas extends JComponent
     {\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
-            SequenceI seq = av.alignment.getSequenceAt(i);\r
+            seq = av.alignment.getSequenceAt(i);\r
             int index = endx;\r
             int value = -1;\r
 \r
@@ -163,14 +204,14 @@ public class SeqCanvas extends JComponent
                     continue;\r
                 }\r
 \r
-                value = av.alignment.getSequenceAt(i).findPosition(index);\r
+                value = seq.findPosition(index);\r
 \r
                 break;\r
             }\r
 \r
             if (value != -1)\r
             {\r
-                g.drawString(String.valueOf(value), av.charWidth/2,\r
+                g.drawString(String.valueOf(value), 0,\r
                     (ypos + (i * av.charHeight)) - (av.charHeight / 5));\r
             }\r
         }\r
@@ -184,13 +225,20 @@ public class SeqCanvas extends JComponent
      */\r
     public void fastPaint(int horizontal, int vertical)\r
     {\r
-        if (((horizontal == 0) && (vertical == 0)) || (gg == null))\r
+        if (gg == null)\r
         {\r
             return;\r
         }\r
 \r
-        gg.copyArea(0, 0, imgWidth, imgHeight, -horizontal * av.charWidth,\r
-            -vertical * av.charHeight);\r
+\r
+        fastPaint = true;\r
+\r
+        gg.copyArea(horizontal * av.charWidth,\r
+                    vertical * av.charHeight,\r
+                    imgWidth,\r
+                    imgHeight,\r
+                    -horizontal * av.charWidth,\r
+                    -vertical * av.charHeight);\r
 \r
         int sr = av.startRes;\r
         int er = av.endRes;\r
@@ -199,14 +247,16 @@ public class SeqCanvas extends JComponent
         int transX = 0;\r
         int transY = 0;\r
 \r
+\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;\r
+            er = sr - horizontal-1;\r
         }\r
         else if (vertical > 0) // scroll down\r
         {\r
@@ -232,14 +282,9 @@ public class SeqCanvas extends JComponent
         }\r
 \r
         gg.translate(transX, transY);\r
-\r
-        gg.setColor(Color.white);\r
-        gg.fillRect(0, 0, (er - sr + 1) * av.charWidth,\r
-            (es - ss) * av.charHeight);\r
-        drawPanel(gg, sr, er, ss, es, sr, ss, 0);\r
+        drawPanel(gg, sr, er, ss, es, 0);\r
         gg.translate(-transX, -transY);\r
 \r
-        fastPaint = true;\r
         repaint();\r
     }\r
 \r
@@ -257,16 +302,20 @@ public class SeqCanvas extends JComponent
     // Set this to false to force a full panel paint\r
     public void paintComponent(Graphics g)\r
     {\r
-        if ((img != null) &&\r
-                (fastPaint || (getWidth() != g.getClipBounds().width) ||\r
-                (getHeight() != g.getClipBounds().height)))\r
+        super.paintComponent(g);\r
+\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
-\r
             return;\r
         }\r
 \r
+\r
         // this draws the whole of the alignment\r
         imgWidth = getWidth();\r
         imgHeight = getHeight();\r
@@ -279,20 +328,42 @@ public class SeqCanvas extends JComponent
             return;\r
         }\r
 \r
-        img = new BufferedImage(imgWidth, imgHeight, BufferedImage.TYPE_INT_RGB);\r
-        gg = (Graphics2D) img.getGraphics();\r
-        gg.setFont(av.getFont());\r
-        gg.setRenderingHint(RenderingHints.KEY_ANTIALIASING,\r
-            RenderingHints.VALUE_ANTIALIAS_ON);\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
+            return;\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
-        chunkWidth = getWrappedCanvasWidth(getWidth());\r
-        chunkHeight = (av.getAlignment().getHeight() + 2) * av.charHeight;\r
-\r
-        av.setChunkHeight(chunkHeight);\r
-        av.setChunkWidth(chunkWidth);\r
 \r
         if (av.getWrapAlignment())\r
         {\r
@@ -300,11 +371,16 @@ public class SeqCanvas extends JComponent
         }\r
         else\r
         {\r
-            drawPanel(gg, av.startRes, av.endRes, av.startSeq, av.endSeq,\r
-                av.startRes, av.startSeq, 0);\r
+            drawPanel(gg, av.startRes, av.endRes, av.startSeq, av.endSeq, 0);\r
         }\r
 \r
         g.drawImage(img, 0, 0, this);\r
+\r
+        if (pdbCanvas != null)\r
+        {\r
+           pdbCanvas.updateSeqColours();\r
+        }\r
+\r
     }\r
 \r
     /**\r
@@ -323,7 +399,7 @@ public class SeqCanvas extends JComponent
 \r
         if (av.scaleRightWrapped)\r
         {\r
-            LABEL_EAST = fm.stringWidth(getMask()+"0");\r
+            LABEL_EAST = fm.stringWidth(getMask());\r
         }\r
 \r
         if (av.scaleLeftWrapped)\r
@@ -341,7 +417,7 @@ public class SeqCanvas extends JComponent
      */\r
     String getMask()\r
     {\r
-      String mask = "0";\r
+      String mask = "00";\r
       for (int i = av.alignment.getWidth(); i > 0; i /= 10)\r
       {\r
         mask += "0";\r
@@ -360,35 +436,51 @@ public class SeqCanvas extends JComponent
     public void drawWrappedPanel(Graphics g, int canvasWidth, int canvasHeight,\r
         int startRes)\r
     {\r
-\r
         AlignmentI al = av.getAlignment();\r
 \r
         FontMetrics fm = getFontMetrics(av.getFont());\r
 \r
-        int LABEL_EAST = 0;\r
 \r
         if (av.scaleRightWrapped)\r
         {\r
-            LABEL_EAST = fm.stringWidth(getMask()+"0");\r
+            LABEL_EAST = fm.stringWidth(getMask());\r
         }\r
 \r
-        int LABEL_WEST = 0;\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() + 2) * av.charHeight;\r
+        int cHeight = av.getAlignment().getHeight() * av.charHeight;\r
+\r
+        av.setWrappedWidth(cWidth);\r
 \r
         av.endRes = av.startRes + cWidth;\r
 \r
-        int endx = (startRes + cWidth) - 1;\r
-        int ypos = 2 * av.charHeight;\r
 \r
-        while ((ypos <= canvasHeight) && (startRes < av.alignment.getWidth()))\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
+          endx = startRes + cWidth -1;\r
+\r
+          if (endx > maxwidth)\r
+          {\r
+            endx = maxwidth;\r
+          }\r
+\r
+            g.setFont(av.getFont());\r
             g.setColor(Color.black);\r
 \r
             if (av.scaleLeftWrapped)\r
@@ -410,6 +502,35 @@ public class SeqCanvas extends JComponent
                 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
+                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
+\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
@@ -424,83 +545,190 @@ public class SeqCanvas extends JComponent
                     cWidth * av.charWidth, (int) clip.getBounds().getHeight());\r
             }\r
 \r
-            if(av.alignment.getWidth() >= av.vconsensus.size())\r
+            drawPanel(g, startRes, endx, 0, al.getHeight(), ypos);\r
+\r
+            if(av.showAnnotation)\r
             {\r
-              endx = av.vconsensus.size()-2;\r
-            }\r
+              g.translate(0, cHeight + ypos + 3);\r
+              if(annotations==null)\r
+                annotations = new AnnotationPanel(av);\r
 \r
-            drawPanel(g, startRes, endx, 0, al.getHeight(), startRes, 0, ypos);\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;\r
-            startRes += cWidth;\r
-            endx = (startRes + cWidth) - 1;\r
+            ypos += cHeight+getAnnotationHeight()+hgap;\r
+            if(av.showAnnotation)\r
+              ypos -= 3;\r
 \r
-            if (endx > al.getWidth())\r
-            {\r
-                endx = al.getWidth();\r
-            }\r
+            startRes += cWidth;\r
         }\r
     }\r
 \r
+    AnnotationPanel annotations;\r
+    int getAnnotationHeight()\r
+    {\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 x1 DOCUMENT ME!\r
-     * @param x2 DOCUMENT ME!\r
-     * @param y1 DOCUMENT ME!\r
-     * @param y2 DOCUMENT ME!\r
-     * @param startx DOCUMENT ME!\r
-     * @param starty 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
-    synchronized public void drawPanel(Graphics g1, int x1, int x2, int y1,\r
-        int y2, int startx, int starty, int offset)\r
+    void drawPanel(Graphics g1, int startRes, int endRes,\r
+                    int startSeq, int endSeq, int offset)\r
     {\r
-        Graphics2D g = (Graphics2D) g1;\r
-        g.setFont(av.getFont());\r
-        sr.renderGaps(av.renderGaps);\r
+      if(!av.hasHiddenColumns)\r
+      {\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
+        for (int i = 0; i < regions.size(); i++)\r
+        {\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
+    //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
+      SequenceI nextSeq;\r
 \r
         /// First draw the sequences\r
         /////////////////////////////\r
-        for (int i = y1; i < y2; i++)\r
+        for (int i = startSeq; i < endSeq; i++)\r
         {\r
             nextSeq = av.alignment.getSequenceAt(i);\r
 \r
-            sr.drawSequence(g, nextSeq, av.alignment.findAllGroups(nextSeq),\r
-                x1, x2, (x1 - startx) * av.charWidth,\r
-                offset + ((i - starty) * av.charHeight), av.charWidth,\r
-                av.charHeight);\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,\r
-                    av.alignment.findAllGroups(nextSeq), x1, x2,\r
-                    (x1 - startx) * av.charWidth,\r
-                    offset + ((i - starty) * av.charHeight), av.charWidth,\r
-                    av.charHeight);\r
+                fr.drawSequence(g, nextSeq, startRes, endRes,\r
+                    offset + ((i - startSeq) * av.charHeight));\r
             }\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
-        java.util.Vector groups = av.alignment.getGroups();\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) && (groups.size() > 0))\r
+        if ((group == null) && (av.alignment.getGroups().size() > 0))\r
         {\r
-            group = (SequenceGroup) groups.elementAt(0);\r
+            group = (SequenceGroup) av.alignment.getGroups().elementAt(0);\r
             groupIndex = 0;\r
         }\r
 \r
@@ -515,20 +743,24 @@ public class SeqCanvas extends JComponent
                 int top = -1;\r
                 int bottom = -1;\r
 \r
-                for (i = y1; i < y2; i++)\r
+                for (i = startSeq; i < endSeq; i++)\r
                 {\r
-                    sx = (group.getStartRes() - startx) * av.charWidth;\r
-                    sy = offset + ((i - starty) * av.charHeight);\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 < (x2-x1)*av.charWidth) &&\r
-                            group.sequences.contains(av.alignment.getSequenceAt(\r
-                                    i)))\r
+                    if ( (sx <= (endRes-startRes)*av.charWidth) &&\r
+                            group.getSequences(false).\r
+                            contains(av.alignment.getSequenceAt(i)))\r
                     {\r
                         if ((bottom == -1) &&\r
-                                !group.sequences.contains(\r
+                                !group.getSequences(false).contains(\r
                                     av.alignment.getSequenceAt(i + 1)))\r
                         {\r
                             bottom = sy + av.charHeight;\r
@@ -537,7 +769,7 @@ public class SeqCanvas extends JComponent
                         if (!inGroup)\r
                         {\r
                             if (((top == -1) && (i == 0)) ||\r
-                                    !group.sequences.contains(\r
+                                    !group.getSequences(false).contains(\r
                                         av.alignment.getSequenceAt(i - 1)))\r
                             {\r
                                 top = sy;\r
@@ -563,95 +795,95 @@ public class SeqCanvas extends JComponent
                     }\r
                     else\r
                     {\r
-                        if (inGroup)\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
-                            g.drawLine(sx, oldY, sx, sy);\r
-                            g.drawLine(sx + ex, oldY, sx + ex, sy);\r
+                          ex += sx;\r
+                          sx = 0;\r
+                        }\r
 \r
-                            if (top != -1)\r
-                            {\r
-                                g.drawLine(sx, top, sx + ex, top);\r
-                                top = -1;\r
-                            }\r
+                        if (sx + ex > visWidth)\r
+                          ex = visWidth;\r
 \r
-                            if (bottom != -1)\r
-                            {\r
-                                g.drawLine(sx, bottom, sx + ex, bottom);\r
-                                bottom = -1;\r
-                            }\r
+                        else if (sx + ex >= (endRes - startRes + 1) * av.charWidth)\r
+                          ex = (endRes - startRes + 1) * av.charWidth;\r
 \r
-                            inGroup = false;\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
-\r
                 if (inGroup)\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
-                    sy = offset + ((i - starty) * av.charHeight);\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
-                if (groupIndex >= groups.size())\r
+                g.setStroke(new BasicStroke());\r
+\r
+                if (groupIndex >= av.alignment.getGroups().size())\r
                 {\r
                     break;\r
                 }\r
 \r
-                group = (SequenceGroup) groups.elementAt(groupIndex);\r
-            }\r
-            while (groupIndex < groups.size());\r
-        }\r
+                group = (SequenceGroup) av.alignment.getGroups().elementAt(groupIndex);\r
 \r
-        /// Highlight search Results once all sequences have been drawn\r
-        //////////////////////////////////////////////////////////\r
-        if (displaySearch)\r
-        {\r
-            for (int r = 0; r < searchResults.length; r += 3)\r
-            {\r
-                int searchSeq = searchResults[r];\r
-\r
-                if ((searchSeq >= y1) && (searchSeq < y2))\r
-                {\r
-                    SequenceI seq = av.getAlignment().getSequenceAt(searchSeq);\r
-\r
-                    int searchStart = seq.findIndex(searchResults[r + 1]) - 1;\r
-                    int searchEnd = seq.findIndex(searchResults[r + 2]) - 1;\r
-\r
-                    SequenceRenderer ssr = (SequenceRenderer) sr;\r
 \r
-                    if (searchStart < x1)\r
-                    {\r
-                        searchStart = x1;\r
-                    }\r
-\r
-                    if (searchEnd > x2)\r
-                    {\r
-                        searchEnd = x2;\r
-                    }\r
-\r
-                    ssr.drawHighlightedText(seq, searchStart, searchEnd,\r
-                        (searchStart - startx) * av.charWidth,\r
-                        offset + ((searchSeq - starty) * av.charHeight),\r
-                        av.charWidth, av.charHeight);\r
-                }\r
             }\r
+            while (groupIndex < av.alignment.getGroups().size());\r
+\r
         }\r
+\r
     }\r
 \r
     /**\r
@@ -659,17 +891,9 @@ public class SeqCanvas extends JComponent
      *\r
      * @param results DOCUMENT ME!\r
      */\r
-    public void highlightSearchResults(int[] results)\r
+    public void highlightSearchResults(SearchResults results)\r
     {\r
-        // results are in the order sequence, startRes, endRes\r
-        if (results == null)\r
-        {\r
-            displaySearch = false;\r
-        }\r
-        else\r
-        {\r
-            displaySearch = true;\r
-        }\r
+        img = null;\r
 \r
         searchResults = results;\r
 \r