JAL-2600 Abandoned fastpaint for resize; now full repaint, single call

[jalview.git] / src / jalview / gui / SeqCanvas.java

diff --git a/src/jalview/gui/SeqCanvas.java b/src/jalview/gui/SeqCanvas.java
index 0a1a99a..448dc6d 100755 (executable)
--- a/src/jalview/gui/SeqCanvas.java
+++ b/src/jalview/gui/SeqCanvas.java
@@ -27,6 +27,7 @@ import jalview.datamodel.SequenceGroup;
 import jalview.datamodel.SequenceI;
 import jalview.renderer.ScaleRenderer;
 import jalview.renderer.ScaleRenderer.ScaleMark;
+import jalview.viewmodel.ViewportListenerI;
 import jalview.viewmodel.ViewportRanges;
 
 import java.awt.BasicStroke;
@@ -38,6 +39,7 @@ import java.awt.Graphics2D;
 import java.awt.RenderingHints;
 import java.awt.Shape;
 import java.awt.image.BufferedImage;
+import java.beans.PropertyChangeEvent;
 import java.util.List;
 
 import javax.swing.JComponent;
@@ -48,7 +50,7 @@ import javax.swing.JComponent;
  * @author $author$
  * @version $Revision$
  */
-public class SeqCanvas extends JComponent
+public class SeqCanvas extends JComponent implements ViewportListenerI
 {
   final FeatureRenderer fr;
 
@@ -89,6 +91,8 @@ public class SeqCanvas extends JComponent
     setLayout(new BorderLayout());
     PaintRefresher.Register(this, av.getSequenceSetId());
     setBackground(Color.white);
+
+    av.getRanges().addPropertyChangeListener(this);
   }
 
   public SequenceRenderer getSequenceRenderer()
@@ -282,8 +286,6 @@ public class SeqCanvas extends JComponent
     fastpainting = true;
     fastPaint = true;
     updateViewport();
-    gg.copyArea(horizontal * charWidth, vertical * charHeight, imgWidth,
-            imgHeight, -horizontal * charWidth, -vertical * charHeight);
 
     ViewportRanges ranges = av.getRanges();
     int sr = ranges.getStartRes();
@@ -293,15 +295,17 @@ public class SeqCanvas extends JComponent
     int transX = 0;
     int transY = 0;
 
+    gg.copyArea(horizontal * charWidth, vertical * charHeight, imgWidth,
+            imgHeight, -horizontal * charWidth, -vertical * charHeight);
+
     if (horizontal > 0) // scrollbar pulled right, image to the left
     {
-      er++;
       transX = (er - sr - horizontal) * charWidth;
       sr = er - horizontal;
     }
     else if (horizontal < 0)
     {
-      er = sr - horizontal - 1;
+      er = sr - horizontal;
     }
     else if (vertical > 0) // scroll down
     {
@@ -512,7 +516,7 @@ public class SeqCanvas extends JComponent
 
     av.setWrappedWidth(cWidth);
 
-    av.getRanges().setEndRes(av.getRanges().getStartRes() + cWidth);
+    av.getRanges().setEndRes(av.getRanges().getStartRes() + cWidth - 1);
 
     int endx;
     int ypos = hgap;
@@ -560,9 +564,10 @@ public class SeqCanvas extends JComponent
         g.setColor(Color.blue);
         int res;
         HiddenColumns hidden = av.getAlignment().getHiddenColumns();
-        for (int i = 0; i < hidden.getListOfCols().size(); i++)
+        List<Integer> positions = hidden.findHiddenRegionPositions();
+        for (int pos : positions)
         {
-          res = hidden.findHiddenRegionPosition(i) - startRes;
+          res = pos - startRes;
 
           if (res < 0 || res > endx - startRes)
           {
@@ -593,7 +598,7 @@ public class SeqCanvas extends JComponent
                 (int) clip.getBounds().getHeight());
       }
 
-      drawPanel(g, startRes, endx, 0, al.getHeight(), ypos);
+      drawPanel(g, startRes, endx, 0, al.getHeight() - 1, ypos);
 
       if (av.isShowAnnotation())
       {
@@ -659,14 +664,12 @@ public class SeqCanvas extends JComponent
     }
     else
     {
-      List<int[]> regions = av.getAlignment().getHiddenColumns()
-              .getListOfCols();
-
       int screenY = 0;
       int blockStart = startRes;
       int blockEnd = endRes;
 
-      for (int[] region : regions)
+      for (int[] region : av.getAlignment().getHiddenColumns()
+              .getHiddenColumnsCopy())
       {
         int hideStart = region[0];
         int hideEnd = region[1];
@@ -689,7 +692,7 @@ public class SeqCanvas extends JComponent
 
           g1.drawLine((blockEnd - blockStart + 1) * charWidth - 1,
                   0 + offset, (blockEnd - blockStart + 1) * charWidth - 1,
-                  (endSeq - startSeq) * charHeight + offset);
+                  (endSeq - startSeq + 1) * charHeight + offset);
         }
 
         g1.translate(-screenY * charWidth, 0);
@@ -981,4 +984,50 @@ public class SeqCanvas extends JComponent
 
     repaint();
   }
+
+  @Override
+  public void propertyChange(PropertyChangeEvent evt)
+  {
+    if (!av.getWrapAlignment())
+    {
+      int scrollX = 0;
+      if ((evt.getPropertyName().equals("startres"))
+              || (evt.getPropertyName().equals("endres")))
+      {
+        // Make sure we're not trying to draw a panel
+        // larger than the visible window
+        ViewportRanges vpRanges = av.getRanges();
+        scrollX = (int) evt.getNewValue() - (int) evt.getOldValue();
+        if (scrollX > vpRanges.getEndRes() - vpRanges.getStartRes())
+        {
+          scrollX = vpRanges.getEndRes() - vpRanges.getStartRes();
+        }
+        else if (scrollX < vpRanges.getStartRes() - vpRanges.getEndRes())
+        {
+          scrollX = vpRanges.getStartRes() - vpRanges.getEndRes();
+        }
+      }
+
+      if (evt.getPropertyName().equals("startres"))
+      {
+        // scroll - startres and endres both change
+        fastPaint(scrollX, 0);
+      }
+      else if (evt.getPropertyName().equals("endres"))
+      {
+        // resize - only endres changes
+
+      }
+      else if (evt.getPropertyName().equals("startseq"))
+      {
+        // scroll
+        fastPaint(0, (int) evt.getNewValue() - (int) evt.getOldValue());
+      }
+      else if (evt.getPropertyName().equals("endseq"))
+      {
+        // resize
+
+      }
+    }
+  }
 }