xref: /trunk/main/offapi/com/sun/star/rendering/ViewState.idl (revision d1766043)

/**************************************************************
 *
 * 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
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 *************************************************************/


#ifndef __com_sun_star_rendering_ViewState_idl__
#define __com_sun_star_rendering_ViewState_idl__

#ifndef __com_sun_star_geometry_AffineMatrix2D_idl__
#include <com/sun/star/geometry/AffineMatrix2D.idl>
#endif

module com { module sun { module star { module rendering {

published interface XPolyPolygon2D;

/** This structure contains information considered the view state.<p>

    This structure contains information considered the view state,
    i.e. the invariant setup used when painting a whole view of
    something.<p>

    @since OOo 2.0
 */
published struct ViewState
{
    /** The affine transform associated with the view.<p>

        This member is used to transform coordinates of draw
        operations from user space to screen space.<p>
     */
    ::com::sun::star::geometry::AffineMatrix2D	AffineTransform;

    //-------------------------------------------------------------------------

    /** The clipping area associated with the view.<p>

        This clipping is interpreted in the view coordinate systems,
        i.e. subject to the view transform before mapping to the
        device coordinate space.<p>

        Specifying an empty interface denotes no clipping,
        i.e. everything rendered to the canvas will be visible
        (subject to device-dependent constraints, of
        course). Specifying an empty XPolyPolygon2D, i.e. a
        poly-polygon containing zero polygons, or an XPolyPolygon2D
        with any number of empty sub-polygons, denotes the NULL
        clip. That means, nothing rendered to the canvas will be
        visible.<p>
     */
    XPolyPolygon2D										Clip;
};

}; }; }; };

#endif