RoundedTransformationBuilder.java 文件源码

/**
 * Creates a {@link Transformation} for use with picasso.
 *
 * @return the {@link Transformation}
 */
public Transformation build() {
  return new Transformation() {
    @Override public Bitmap transform(Bitmap source) {
      Bitmap transformed = RoundedDrawable.fromBitmap(source)
          .setScaleType(mScaleType)
          .setCornerRadius(mCornerRadii[0], mCornerRadii[1], mCornerRadii[2], mCornerRadii[3])
          .setBorderWidth(mBorderWidth)
          .setBorderColor(mBorderColor)
          .setOval(mOval)
          .toBitmap();
      if (!source.equals(transformed)) {
        source.recycle();
      }
      return transformed;
    }

    @Override public String key() {
      return "r:" + Arrays.toString(mCornerRadii)
          + "b:" + mBorderWidth
          + "c:" + mBorderColor
          + "o:" + mOval;
    }
  };
}