actionbarsherlock/src/com/actionbarsherlock/internal/widget/IcsColorDrawable.java

   1 package com.actionbarsherlock.internal.widget;
   2
   3 import android.graphics.Canvas;
   4 import android.graphics.ColorFilter;
   5 import android.graphics.Paint;
   6 import android.graphics.drawable.Drawable;
   7
   8 /**
   9  * A version of {@link android.graphics.drawable.ColorDrawable} that respects bounds.
  10  */
  11 public class IcsColorDrawable extends Drawable {
  12     private int color;
  13     private final Paint paint = new Paint();
  14
  15     public IcsColorDrawable(int color) {
  16         this.color = color;
  17     }
  18
  19     @Override public void draw(Canvas canvas) {
  20         if ((color >>> 24) != 0) {
  21             paint.setColor(color);
  22             canvas.drawRect(getBounds(), paint);
  23         }
  24     }
  25
  26     @Override
  27     public void setAlpha(int alpha) {
  28         if (alpha != (color >>> 24)) {
  29             color = (color & 0x00FFFFFF) & (alpha << 24);
  30             invalidateSelf();
  31         }
  32     }
  33
  34     @Override public void setColorFilter(ColorFilter colorFilter) {
  35         //Ignored
  36     }
  37
  38     @Override public int getOpacity() {
  39         return color >>> 24;
  40     }
  41 }