Merge "Fix tessellation bounds computation" into lmp-dev

    }

    /**

     * Outset the bounds of point data (for line endpoints or points) to account for AA stroke

     * Outset the bounds of point data (for line endpoints or points) to account for stroke

     * geometry.

     *

     * bounds are in pre-scaled space.

     */

    void expandBoundsForStroke(Rect* bounds) const {

        float outset = halfStrokeWidth;

        if (outset == 0) outset = 0.5f;

        bounds->outset(outset * inverseScaleX + Vertex::GeometryFudgeFactor(),

                outset * inverseScaleY + Vertex::GeometryFudgeFactor());

        if (halfStrokeWidth == 0) {

            // hairline, outset by (0.5f + fudge factor) in post-scaling space

            bounds->outset(fabs(inverseScaleX) * (0.5f + Vertex::GeometryFudgeFactor()),

                    fabs(inverseScaleY) * (0.5f + Vertex::GeometryFudgeFactor()));

        } else {

            // non hairline, outset by half stroke width pre-scaled, and fudge factor post scaled

            bounds->outset(halfStrokeWidth + fabs(inverseScaleX) * Vertex::GeometryFudgeFactor(),

                    halfStrokeWidth + fabs(inverseScaleY) * Vertex::GeometryFudgeFactor());

        }

    }

};