diff options
| -rw-r--r-- | slideshow/source/inc/viewlayer.hxx | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/slideshow/source/inc/viewlayer.hxx b/slideshow/source/inc/viewlayer.hxx new file mode 100644 index 000000000000..e8bae3489f4c --- /dev/null +++ b/slideshow/source/inc/viewlayer.hxx @@ -0,0 +1,132 @@ +/************************************************************************* + * + * $RCSfile: viewlayer.hxx,v $ + * + * $Revision: 1.2 $ + * + * last change: $Author: rt $ $Date: 2004-11-26 19:24:00 $ + * + * The Contents of this file are made available subject to the terms of + * either of the following licenses + * + * - GNU Lesser General Public License Version 2.1 + * - Sun Industry Standards Source License Version 1.1 + * + * Sun Microsystems Inc., October, 2000 + * + * GNU Lesser General Public License Version 2.1 + * ============================================= + * Copyright 2000 by Sun Microsystems, Inc. + * 901 San Antonio Road, Palo Alto, CA 94303, USA + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1, as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + * + * Sun Industry Standards Source License Version 1.1 + * ================================================= + * The contents of this file are subject to the Sun Industry Standards + * Source License Version 1.1 (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.openoffice.org/license.html. + * + * Software provided under this License is provided on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, + * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS, + * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING. + * See the License for the specific provisions governing your rights and + * obligations concerning the Software. + * + * The Initial Developer of the Original Code is: Sun Microsystems, Inc. + * + * Copyright: 2000 by Sun Microsystems, Inc. + * + * All Rights Reserved. + * + * Contributor(s): _______________________________________ + * + * + ************************************************************************/ + +#ifndef _SLIDESHOW_VIEWLAYER_HXX +#define _SLIDESHOW_VIEWLAYER_HXX + +#ifndef _CPPCANVAS_SPRITECANVAS_HXX +#include <cppcanvas/spritecanvas.hxx> +#endif + +#ifndef _BGFX_RANGE_B2IRECTANGLE_HXX +#include <basegfx/range/b2irectangle.hxx> +#endif + +#ifndef BOOST_SHARED_PTR_HPP_INCLUDED +#include <boost/shared_ptr.hpp> +#endif + + +/* Definition of ViewLayer interface */ + +namespace presentation +{ + namespace internal + { + class ViewLayer + { + public: + virtual ~ViewLayer() {} + + /** Get the associated canvas of this layer. + + The canvas returned by this method must not change, as + long as this object is alive. + */ + virtual ::cppcanvas::CanvasSharedPtr getCanvas() const = 0; + + /** Create a sprite for this layer + + @param rSpriteSizePixel + Sprite size in device pixel + + @return the sprite, or NULL on failure (or if this canvas + does not support sprites) + */ + virtual ::cppcanvas::CustomSpriteSharedPtr createSprite( const ::basegfx::B2DSize& rSpriteSizePixel ) const = 0; + + /** Compute a sprite priority relative to this layer. + + @param nSpritePrio + Priority of the Sprite within this layer + + @return absolute sprite priority, to be set at a ::cppcanvas::Sprite + */ + virtual double getSpritePriority( double nSpritePrio ) const = 0; + + /** Set the layer priority + + This method influences the relative priority of this + layer, i.e. the z position in relation to other layers on + the parent view. The higher the priority, the further in front + the layer resides. + + @param nPrio + Priority, must be in the range [0,1] + */ + virtual void setPriority( double nPrio ) = 0; + }; + + typedef ::boost::shared_ptr< ViewLayer > ViewLayerSharedPtr; + } +} + +#endif /* _SLIDESHOW_VIEWLAYER_HXX */ |