Merge "Fix shadow corner radius during PIP size change" into sc-dev am: b672987c

        if (layer->shadow.length > 0) {

            // This would require a new parameter/flag to SkShadowUtils::DrawShadow

            LOG_ALWAYS_FATAL_IF(layer->disableBlending, "Cannot disableBlending with a shadow");

            drawShadow(canvas, bounds, layer->shadow);

            // Technically, if bounds is a rect and roundRectClip is not empty,

            // it means that the bounds and roundedCornersCrop were different

            // enough that we should intersect them to find the proper shadow.

            // In practice, this often happens when the two rectangles appear to

            // not match due to rounding errors. Draw the rounded version, which

            // looks more like the intent.

            const auto& rrect =

                    bounds.isRect() && !roundRectClip.isEmpty() ? roundRectClip : bounds;

            drawShadow(canvas, rrect, layer->shadow);

            continue;

        }

        return {};

    }

    float casterCornerRadius = shadowLayer.geometry.roundedCornersRadius;

    const FloatRect& cornerRadiusCropRect = shadowLayer.geometry.roundedCornersCrop;

    const FloatRect& casterRect = shadowLayer.geometry.boundaries;

    // crop used to set the corner radius may be larger than the content rect. Adjust the corner

    // radius accordingly.

    if (casterCornerRadius > 0.f) {

        float cropRectOffset = std::max(std::abs(cornerRadiusCropRect.top - casterRect.top),

                                        std::abs(cornerRadiusCropRect.left - casterRect.left));

        if (cropRectOffset > casterCornerRadius) {

            casterCornerRadius = 0;

        } else {

            casterCornerRadius -= cropRectOffset;

        }

        shadowLayer.geometry.roundedCornersRadius = casterCornerRadius;

    }

    return shadowLayer;

}