From e32a272b8c13b5dfa65d2ef6735292748e88d34e Mon Sep 17 00:00:00 2001
From: amwaterhouse <Andrew Waterhouse>
Date: Thu, 21 Apr 2005 17:23:03 +0000
Subject: [PATCH] Tick 5 and 10 marks

---
 src/jalview/gui/ScalePanel.java |   81 ++++++++++++++-------------------------
 1 file changed, 29 insertions(+), 52 deletions(-)

diff --git a/src/jalview/gui/ScalePanel.java b/src/jalview/gui/ScalePanel.java
index e49eb17..2ec4570 100755
--- a/src/jalview/gui/ScalePanel.java
+++ b/src/jalview/gui/ScalePanel.java
@@ -111,82 +111,59 @@ public class ScalePanel extends JPanel
 
   public void paintComponent(Graphics g)
   {
-    drawScale(g, av.getStartRes(), av.getEndRes(), getWidth());
+    drawScale(g, av.getStartRes(), av.getEndRes(), getWidth(), getHeight());
   }
 
 // scalewidth will normally be screenwidth,
-  public void drawScale(Graphics g, int startx, int endx, int scaleWidth)
+  public void drawScale(Graphics g, int startx, int endx, int width, int height)
   {
     Graphics2D gg = (Graphics2D)g;
-    gg.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON);
-    int charWidth  = av.getCharWidth();
-
     gg.setFont(av.getFont());
+    gg.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON);
 
     //Fill in the background
-
     gg.setColor(Color.white);
-    gg.fillRect(0,0,scaleWidth, getHeight());
-
-    int resWidth = endx - startx + 1;
-
-    // We want roughly one tick every 50 pixels
-
-    double rough = scaleWidth/50.0;
-
-    double roughtick = resWidth/rough;
-
-    int   digits  = (int)(Math.log(roughtick)/Math.log(10));
-    int   num     = (int)(roughtick/Math.pow(10,digits));
-
-    if (roughtick>5)
-        num = 10;
-    else
-        num = 5;
-
-  //   else
-  //  num = 2;
-
-  //  System.out.println("Dig " + digits + " " + rough + " " + roughtick + " " + getWidth() + " " + num);
-
-    int space = (int)(num * Math.pow(10,digits));
-
-    //Set the text font
-
+    gg.fillRect(0,0,width, height);
     gg.setColor(Color.black);
 
 
-    int scalestartx = 0;
-    if(space>0)
-      scalestartx = startx - startx%space + space;
-
-
     //Fill the selected columns
     ColumnSelection cs = av.getColumnSelection();
-    int width = charWidth;
-    if (width == 0)
-      width = 1;
-
     gg.setColor(new Color(220,0,0));
-    for (int i=0; i<cs.size(); i++) {
+    for (int i=0; i<cs.size(); i++)
+    {
       int sel  = cs.columnAt(i);
-      //      System.out.println("Selection = " + sel);
-      if ( sel >= startx  && sel <= endx) {
-
-        gg.fillRect((sel-startx)*charWidth,0,width,getHeight());
-      }
+      if ( sel >= startx  && sel <= endx)
+        gg.fillRect((sel-startx)*av.charWidth,0,av.charWidth,getHeight());
     }
 
+
     // Draw the scale numbers
     gg.setColor(Color.black);
+    int scalestartx = (startx/10) * 10;
 
+    FontMetrics fm = gg.getFontMetrics(av.getFont());
+    int y = av.charHeight -fm.getDescent();
 
-    for (int i=scalestartx;i < endx;i+= space) {
+    if(scalestartx%10==0)
+      scalestartx+=5;
 
-      String string = String.valueOf(i);
+    for (int i=scalestartx;i < endx; i+= 5)
+    {
+      if(i%10==0)
+      {
+        gg.drawString(String.valueOf(i), (i - startx - 1) * av.charWidth, y);
+        gg.drawLine( (int) ( (i - startx - 1) * av.charWidth + av.charWidth / 2),
+                    y+2,
+                    (int) ( (i - startx - 1) * av.charWidth + av.charWidth / 2),
+                    y+fm.getDescent()*2);
+      }
+      else
+        gg.drawLine( (int) ( (i - startx - 1) * av.charWidth + av.charWidth / 2),
+                    y+fm.getDescent(),
+                    (int) ( (i - startx - 1) * av.charWidth + av.charWidth / 2),
+                   y+fm.getDescent()*2);
 
-      gg.drawString(string,(i-startx-1)*charWidth,  av.charHeight / 2 +offy);
-      gg.drawLine( (int)((i-startx-1)*charWidth +charWidth/2), av.charHeight/2 +offy +2, (int)((i-startx-1)*charWidth +charWidth/2),av.charHeight/2 +offy+7);
 
     }
   }
-- 
1.7.10.2