Merge "Setting the alpha on the full bitmap for AdaptiveIcon instead of...

package android.graphics.drawable;

import static org.junit.Assert.assertTrue;

import android.content.res.Resources;

import android.graphics.Bitmap;

import android.graphics.Bitmap.Config;

import android.graphics.BitmapFactory;

import android.graphics.Canvas;

import android.graphics.Color;

import android.graphics.Outline;

import android.graphics.Paint;

import android.graphics.Path;

import android.graphics.Path.Direction;

import android.graphics.Rect;

import android.test.AndroidTestCase;

import android.util.Log;

import android.util.PathParser;

import org.junit.Test;

import java.io.File;

import java.io.FileOutputStream;

import java.util.Arrays;

import org.junit.Test;

@LargeTest

public class AdaptiveIconDrawableTest extends AndroidTestCase {

        assertTrue("outline path should be convex", outline.mPath.isConvex());

    }

    @Test

    public void testSetAlpha() throws Exception {

        mIconDrawable = new AdaptiveIconDrawable(mBackgroundDrawable, mForegroundDrawable);

        mIconDrawable.setBounds(0, 0, 100, 100);

        Bitmap bitmap = Bitmap.createBitmap(100, 100, Bitmap.Config.ARGB_8888);

        Canvas canvas = new Canvas(bitmap);

        mIconDrawable.draw(canvas);

        assertEquals(255, Color.alpha(bitmap.getPixel(50, 50)));

        mIconDrawable.setAlpha(200);

        bitmap.eraseColor(Color.TRANSPARENT);

        mIconDrawable.draw(canvas);

        assertEquals(200, Color.alpha(bitmap.getPixel(50, 50)));

        mIconDrawable.setAlpha(100);

        bitmap.eraseColor(Color.TRANSPARENT);

        mIconDrawable.draw(canvas);

        assertEquals(100, Color.alpha(bitmap.getPixel(50, 50)));

    }

    //

    // Utils

    //

import android.util.PathParser;

import com.android.internal.R;

import org.xmlpull.v1.XmlPullParser;

import org.xmlpull.v1.XmlPullParserException;

    @Override

    public void setAlpha(int alpha) {

        final ChildDrawable[] array = mLayerState.mChildren;

        for (int i = 0; i < mLayerState.N_CHILDREN; i++) {

            final Drawable dr = array[i].mDrawable;

            if (dr != null) {

                dr.setAlpha(alpha);

            }

        }

        mPaint.setAlpha(alpha);

    }

    @Override