Merge "Fixing flakiness in shape detection" into ub-launcher3-edmonton

    private final float[] mLeftBorder;

    private final float[] mRightBorder;

    private final Rect mBounds;

    private final Path mShapePath;

    private final Matrix mMatrix;

    private final Paint mPaintIcon;

        mPaintMaskShapeOutline.setColor(Color.BLACK);

        mPaintMaskShapeOutline.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.DST_OUT));

        mShapePath = new Path();

        mMatrix = new Matrix();

        mAdaptiveIconScale = SCALE_NOT_INITIALIZED;

    }

        mMatrix.reset();

        mMatrix.setScale(mBounds.width(), mBounds.height());

        mMatrix.postTranslate(mBounds.left, mBounds.top);

        maskPath.transform(mMatrix);

        maskPath.transform(mMatrix, mShapePath);

        // XOR operation

        mCanvasARGB.drawPath(maskPath, mPaintMaskShape);

        mCanvasARGB.drawPath(mShapePath, mPaintMaskShape);

        // DST_OUT operation around the mask path outline

        mCanvasARGB.drawPath(maskPath, mPaintMaskShapeOutline);

        mCanvasARGB.drawPath(mShapePath, mPaintMaskShapeOutline);

        // Check if the result is almost transparent

        return isTransparentBitmap(mBitmapARGB);