xref: /aoo4110/main/canvas/source/cairo/cairo_spritesurface.hxx (revision b1cdbd2c)

/**************************************************************
 *
 * 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 _VCLCANVAS_SPRITESURFACE_HXX
#define _VCLCANVAS_SPRITESURFACE_HXX

#include <sal/config.h>

#include "cairo_sprite.hxx"

class Point;
class Size;
class Rectangle;

namespace cairocanvas
{
	/* Definition of SpriteSurface interface */

    class SpriteSurface
    {
    public:
        virtual ~SpriteSurface() {}

        // call this when XSprite::show() is called
        virtual void showSprite( const Sprite::ImplRef& sprite ) = 0;

        // call this when XSprite::hide() is called
        virtual void hideSprite( const Sprite::ImplRef& sprite ) = 0;

        // call this when XSprite::move() is called
        virtual void moveSprite( const Sprite::ImplRef&	sprite,
                                 const Point& 			rOldPos,
                                 const Point& 			rNewPos,
                                 const Size& 			rSpriteSize ) = 0;

        // call this when some part of your sprite has changed. That
        // includes show/hide�, i.e. for show, both showSprite and
        // updateSprite must be called.
        virtual void updateSprite( const Sprite::ImplRef& 	sprite,
                                   const Point& 			rPos,
                                   const Rectangle& 		rUpdateArea ) = 0;

    };
}

#endif /* _VCLCANVAS_SPRITESURFACE_HXX */