X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FRotatableCanvas.java;fp=src%2Fjalview%2Fgui%2FRotatableCanvas.java;h=02368df450693be5b54fab0948156afcdf76ef86;hb=9bc0c6be2b195af9fed245e9e7ae27d73196fac8;hp=4ef18d49014a8ea40f5c54a6468a19d824cc8365;hpb=948bd3bcbacc509da0cefaae3eedd97300a6ccce;p=jalview.git

diff --git a/src/jalview/gui/RotatableCanvas.java b/src/jalview/gui/RotatableCanvas.java
index 4ef18d4..02368df 100755
--- a/src/jalview/gui/RotatableCanvas.java
+++ b/src/jalview/gui/RotatableCanvas.java
@@ -128,7 +128,6 @@ public class RotatableCanvas extends JPanel implements MouseListener,
 
   boolean applyToAllViews = false;
 
-  // Controller controller;
   public RotatableCanvas(AlignmentPanel ap)
   {
     this.av = ap.av;
@@ -136,16 +135,23 @@ public class RotatableCanvas extends JPanel implements MouseListener,
 
     addMouseWheelListener(new MouseWheelListener()
     {
+      @Override
       public void mouseWheelMoved(MouseWheelEvent e)
       {
-        if (e.getWheelRotation() > 0)
+        double wheelRotation = e.getPreciseWheelRotation();
+        if (wheelRotation > 0)
         {
+          /*
+           * zoom in
+           */
           scale = (float) (scale * 1.1);
           repaint();
         }
-
-        else
+        else if (wheelRotation < 0)
         {
+          /*
+           * zoom out
+           */
           scale = (float) (scale * 0.9);
           repaint();
         }
@@ -162,6 +168,7 @@ public class RotatableCanvas extends JPanel implements MouseListener,
 
   boolean first = true;
 
+  @Override
   public void setPoints(Vector points, int npoint)
   {
     this.points = points;
@@ -327,7 +334,7 @@ public class RotatableCanvas extends JPanel implements MouseListener,
       dim = height;
     }
 
-    return (float) ((dim * scalefactor) / (2 * maxwidth));
+    return (dim * scalefactor) / (2 * maxwidth);
   }
 
   /**
@@ -352,6 +359,7 @@ public class RotatableCanvas extends JPanel implements MouseListener,
    * 
    * @return DOCUMENT ME!
    */
+  @Override
   public Dimension getPreferredSize()
   {
     if (prefsize != null)
@@ -369,6 +377,7 @@ public class RotatableCanvas extends JPanel implements MouseListener,
    * 
    * @return DOCUMENT ME!
    */
+  @Override
   public Dimension getMinimumSize()
   {
     return getPreferredSize();
@@ -380,6 +389,7 @@ public class RotatableCanvas extends JPanel implements MouseListener,
    * @param g
    *          DOCUMENT ME!
    */
+  @Override
   public void paintComponent(Graphics g1)
   {
 
@@ -475,8 +485,8 @@ public class RotatableCanvas extends JPanel implements MouseListener,
     for (int i = 0; i < npoint; i++)
     {
       SequencePoint sp = (SequencePoint) points.elementAt(i);
-      int x = (int) ((float) (sp.coord[0] - centre[0]) * scale) + halfwidth;
-      int y = (int) ((float) (sp.coord[1] - centre[1]) * scale)
+      int x = (int) ((sp.coord[0] - centre[0]) * scale) + halfwidth;
+      int y = (int) ((sp.coord[1] - centre[1]) * scale)
               + halfheight;
       float z = sp.coord[1] - centre[2];
 
@@ -547,6 +557,7 @@ public class RotatableCanvas extends JPanel implements MouseListener,
    * @param evt
    *          DOCUMENT ME!
    */
+  @Override
   public void keyTyped(KeyEvent evt)
   {
   }
@@ -557,6 +568,7 @@ public class RotatableCanvas extends JPanel implements MouseListener,
    * @param evt
    *          DOCUMENT ME!
    */
+  @Override
   public void keyReleased(KeyEvent evt)
   {
   }
@@ -567,6 +579,7 @@ public class RotatableCanvas extends JPanel implements MouseListener,
    * @param evt
    *          DOCUMENT ME!
    */
+  @Override
   public void keyPressed(KeyEvent evt)
   {
     if (evt.getKeyCode() == KeyEvent.VK_UP)
@@ -598,6 +611,7 @@ public class RotatableCanvas extends JPanel implements MouseListener,
    * @param evt
    *          DOCUMENT ME!
    */
+  @Override
   public void mouseClicked(MouseEvent evt)
   {
   }
@@ -608,6 +622,7 @@ public class RotatableCanvas extends JPanel implements MouseListener,
    * @param evt
    *          DOCUMENT ME!
    */
+  @Override
   public void mouseEntered(MouseEvent evt)
   {
   }
@@ -618,6 +633,7 @@ public class RotatableCanvas extends JPanel implements MouseListener,
    * @param evt
    *          DOCUMENT ME!
    */
+  @Override
   public void mouseExited(MouseEvent evt)
   {
   }
@@ -628,6 +644,7 @@ public class RotatableCanvas extends JPanel implements MouseListener,
    * @param evt
    *          DOCUMENT ME!
    */
+  @Override
   public void mouseReleased(MouseEvent evt)
   {
   }
@@ -638,6 +655,7 @@ public class RotatableCanvas extends JPanel implements MouseListener,
    * @param evt
    *          DOCUMENT ME!
    */
+  @Override
   public void mousePressed(MouseEvent evt)
   {
     int x = evt.getX();
@@ -690,6 +708,7 @@ public class RotatableCanvas extends JPanel implements MouseListener,
   // controller.handleSequenceSelectionEvent(new
   // SequenceSelectionEvent(this,sel));
   // }
+  @Override
   public void mouseMoved(MouseEvent evt)
   {
     SequenceI found = findPoint(evt.getX(), evt.getY());
@@ -710,6 +729,7 @@ public class RotatableCanvas extends JPanel implements MouseListener,
    * @param evt
    *          DOCUMENT ME!
    */
+  @Override
   public void mouseDragged(MouseEvent evt)
   {
     mx = evt.getX();
@@ -725,8 +745,8 @@ public class RotatableCanvas extends JPanel implements MouseListener,
     {
       rotmat.setIdentity();
 
-      rotmat.rotate((float) (my - omy), 'x');
-      rotmat.rotate((float) (mx - omx), 'y');
+      rotmat.rotate(my - omy, 'x');
+      rotmat.rotate(mx - omx, 'y');
 
       for (int i = 0; i < npoint; i++)
       {
@@ -774,9 +794,9 @@ public class RotatableCanvas extends JPanel implements MouseListener,
     {
       SequencePoint sp = (SequencePoint) points.elementAt(i);
       int tmp1 = (int) (((sp.coord[0] - centre[0]) * scale)
-              + ((float) getWidth() / 2.0));
+              + (getWidth() / 2.0));
       int tmp2 = (int) (((sp.coord[1] - centre[1]) * scale)
-              + ((float) getHeight() / 2.0));
+              + (getHeight() / 2.0));
 
       if ((tmp1 > x1) && (tmp1 < x2) && (tmp2 > y1) && (tmp2 < y2))
       {
@@ -816,9 +836,9 @@ public class RotatableCanvas extends JPanel implements MouseListener,
     for (int i = 0; i < npoint; i++)
     {
       SequencePoint sp = (SequencePoint) points.elementAt(i);
-      int px = (int) ((float) (sp.coord[0] - centre[0]) * scale)
+      int px = (int) ((sp.coord[0] - centre[0]) * scale)
               + halfwidth;
-      int py = (int) ((float) (sp.coord[1] - centre[1]) * scale)
+      int py = (int) ((sp.coord[1] - centre[1]) * scale)
               + halfheight;
 
       if ((Math.abs(px - x) < 3) && (Math.abs(py - y) < 3))