Code example for RectF

Methods: offset, set, union

0
 
        view.setAnimation(this);
 
        final RectF after = mAfter;
        computeRect(after, view);
        after.union(mBefore);
 
        parent.invalidate(
                (int) FloatMath.floor(after.left),
                (int) FloatMath.floor(after.top),
                (int) FloatMath.ceil(after.right),
                (int) FloatMath.ceil(after.bottom));
    } 
 
    private void computeRect(final RectF r, View view) {
        // compute current rectangle according to matrix transformation 
        final float w = view.getWidth();
        final float h = view.getHeight();
 
        // use a rectangle at 0,0 to make sure we don't run into issues with scaling 
        r.set(0, 0, w, h);
 
        final Matrix m = mTempMatrix;
        m.reset();
        transformMatrix(m, view);
        mTempMatrix.mapRect(r);
 
        r.offset(view.getLeft(), view.getTop());
 
        // Straighten coords if rotations flipped them 
        if (r.right < r.left) {
            final float f = r.right;
            r.right = r.left;