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 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */
#ifndef com_sun_star_chart2_CurveStyle_idl
#define com_sun_star_chart2_CurveStyle_idl

module com
{
module sun
{
module star
{
module chart2
{

/** Sets the type of curves that are drawn for line charts.
 */
enum CurveStyle
{
    /** Lines between data points are not smoothed
     */
    LINES,

    /** Data points are connected via a smoothed cubic spline curve.
        The data points themselves are part of to the curve.
     */
    CUBIC_SPLINES,

    /** Data points are connected via a parametric, interpolating
        B-spline curve.
     */
    B_SPLINES,

    /**
     */
    NURBS,

    /** Data points are connected via a 2-segmented stepped line.
        The line starts horizontally.
                   O
                   |
                   |
                   |
             O-----+
     */
    STEP_START,

    /** Data points are connected via a 2-segmented stepped line.
        The line ends horizontally.
            +------O
            |
            |
            |
            O
     */
    STEP_END,

    /** Data points are connected via a 3-segmented stepped line.
        The lines is horizontal till the center of the X values.
                +--O
                |
                |
                |
             O--+
     */
    STEP_CENTER_X,

    /** Data points are connected via a 3-segmented stepped line.
        The lines is horizontal at the center of the Y values.
                   O
                   |
             +-----+
             |
             O
     */
    STEP_CENTER_Y
};

} ; // chart2
} ; // com
} ; // sun
} ; // star


#endif

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