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      1 package org.robolectric.shadows;
      2 
      3 import static org.robolectric.shadow.api.Shadow.directlyOn;
      4 
      5 import android.graphics.Bitmap;
      6 import android.graphics.Canvas;
      7 import android.graphics.ColorFilter;
      8 import android.graphics.Paint;
      9 import android.graphics.drawable.BitmapDrawable;
     10 import android.graphics.drawable.Drawable;
     11 import org.robolectric.annotation.Implementation;
     12 import org.robolectric.annotation.Implements;
     13 import org.robolectric.annotation.RealObject;
     14 import org.robolectric.shadow.api.Shadow;
     15 import org.robolectric.util.ReflectionHelpers;
     16 import org.robolectric.util.ReflectionHelpers.ClassParameter;
     17 
     18 @SuppressWarnings({"UnusedDeclaration"})
     19 @Implements(BitmapDrawable.class)
     20 public class ShadowBitmapDrawable extends ShadowDrawable {
     21   private ColorFilter colorFilter;
     22   String drawableCreateFromStreamSource;
     23   String drawableCreateFromPath;
     24 
     25   @RealObject private BitmapDrawable realBitmapDrawable;
     26 
     27   /**
     28    * Draws the contained bitmap onto the canvas at 0,0 with a default {@code Paint}
     29    *
     30    * @param canvas the canvas to draw on
     31    */
     32   @Implementation
     33   protected void draw(Canvas canvas) {
     34     Paint paint = new Paint();
     35     paint.setColorFilter(colorFilter);
     36     canvas.drawBitmap(realBitmapDrawable.getBitmap(), 0, 0, paint);
     37   }
     38 
     39   @Implementation
     40   protected Drawable mutate() {
     41     Bitmap bitmap = realBitmapDrawable.getBitmap();
     42     BitmapDrawable real = ReflectionHelpers.callConstructor(BitmapDrawable.class, ClassParameter.from(Bitmap.class, bitmap));
     43     ShadowBitmapDrawable shadow = Shadow.extract(real);
     44     shadow.colorFilter = this.colorFilter;
     45     shadow.drawableCreateFromStreamSource = drawableCreateFromStreamSource;
     46     return real;
     47   }
     48 
     49   @Implementation
     50   protected void setColorFilter(ColorFilter colorFilter) {
     51     this.colorFilter = colorFilter;
     52     directlyOn(realBitmapDrawable, BitmapDrawable.class).setColorFilter(colorFilter);
     53   }
     54 
     55   /**
     56    * Returns the resource id that this {@code BitmapDrawable} was loaded from. This lets
     57    * your tests assert that the bitmap is correct without having to actually load the bitmap.
     58    *
     59    * @return resource id from which this {@code BitmapDrawable} was loaded
     60    * @deprecated use ShadowBitmap#getCreatedFromResId() instead.
     61    */
     62   @Deprecated
     63   @Override
     64   public int getCreatedFromResId() {
     65     ShadowBitmap shadowBitmap = Shadow.extract(realBitmapDrawable.getBitmap());
     66     return shadowBitmap.getCreatedFromResId();
     67   }
     68 
     69   public String getSource() {
     70     return drawableCreateFromStreamSource;
     71   }
     72 
     73   public String getPath() {
     74     return drawableCreateFromPath;
     75   }
     76 }
     77