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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: animatedsprite.hxx,v $
*
* $Revision: 1.5 $
*
* last change: $Author: obo $ $Date: 2005-10-11 08:47:36 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 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
*
************************************************************************/
#ifndef _SLIDESHOW_ANIMATEDSPRITE_HXX
#define _SLIDESHOW_ANIMATEDSPRITE_HXX
#ifndef _CPPCANVAS_CUSTOMSPRITE_HXX
#include <cppcanvas/customsprite.hxx>
#endif
#ifndef BOOST_SHARED_PTR_HPP_INCLUDED
#include <boost/shared_ptr.hpp>
#endif
#ifndef _BGFX_MATRIX_B2DHOMMATRIX_HXX
#include <basegfx/matrix/b2dhommatrix.hxx>
#endif
#ifndef _BGFX_VECTOR_B2DSIZE_HXX
#include <basegfx/vector/b2dsize.hxx>
#endif
#ifndef _BGFX_POINT_B2DPOINT_HXX
#include <basegfx/point/b2dpoint.hxx>
#endif
#ifndef _BGFX_POLYGON_B2DPOLYPOLYGON_HXX
#include <basegfx/polygon/b2dpolypolygon.hxx>
#endif
#include <viewlayer.hxx>
#include "boost/optional.hpp"
/* Definition of AnimatedSprite class */
namespace presentation
{
namespace internal
{
/** This class provides the sprite for animated shapes.
Besides encapsulating the Canvas sprite for animated
shapes, this class also handles dynamic sprite resizing
and all the gory details of offset calculations and
rounding prevention.
*/
class AnimatedSprite
{
public:
/** Create a new AnimatedSprite, for the given metafile
shape.
@param rViewLayer
The destination view layer, on which the animation should appear
@param rSpriteSizePixel
The overall size of the sprite in device coordinate
space, sufficient to display all transformations,
shape changes and clips.
*/
AnimatedSprite( const ViewLayerSharedPtr& rViewLayer,
const ::basegfx::B2DSize& rSpriteSizePixel );
~AnimatedSprite();
/** Resize the sprite.
@param rSpriteSizePixel
The new size in pixel
@return true, if the resize was successful. If false
is returned, the sprite might be invalid.
*/
bool resize( const ::basegfx::B2DSize& rSpriteSizePixel );
/** Set an offset for the content output in pixel
This method offsets the output on the sprite content
canvas by the specified amount of device pixel (for
subsequent render operations).
*/
void setPixelOffset( const ::basegfx::B2DSize& rPixelOffset );
/// Retrieve current pixel offset for content output.
::basegfx::B2DSize getPixelOffset() const;
/// Show the sprite
void show();
/// Hide the sprite
void hide();
/** Query the content canvas for the current sprite.
Note that this method must be called
<em>everytime</em> something is rendered to the
sprite, because XCustomSprite does not guarantee the
validity of the canvas after a render operation.
Furthermore, the view transformation on the returned
canvas is already correctly setup, matching the
associated destination canvas.
*/
::cppcanvas::CanvasSharedPtr getContentCanvas() const;
/** Move the sprite in user coordinate space.
If the sprite is not yet created, this method has no
effect.
*/
void move( const ::basegfx::B2DPoint& rNewPos );
/** Move the sprite in device pixel space.
If the sprite is not yet created, this method has no
effect.
*/
void movePixel( const ::basegfx::B2DPoint& rNewPos );
/** Set the alpha value of the sprite.
If the sprite is not yet created, this method has no
effect.
*/
void setAlpha( double rAlpha );
/** Set a sprite clip in user coordinate space.
If the sprite is not yet created, this method has no
effect.
*/
void clip( const ::basegfx::B2DPolyPolygon& rClip );
/** Set a sprite transformation.
If the sprite is not yet created, this method has no
effect.
*/
void transform( const ::basegfx::B2DHomMatrix& rTransform );
/** Set the sprite priority.
The sprite priority determines the ordering of the
sprites on screen, i.e. which sprite lies before which.
@param rPrio
The new sprite prio. Must be in the range [0,1]
*/
void setPriority( double rPrio );
private:
// default: disabled copy/assignment
AnimatedSprite(const AnimatedSprite&);
AnimatedSprite& operator=( const AnimatedSprite& );
ViewLayerSharedPtr mpViewLayer;
::cppcanvas::CustomSpriteSharedPtr mpSprite;
::basegfx::B2DSize maEffectiveSpriteSizePixel;
::basegfx::B2DSize maContentPixelOffset;
double mnAlpha;
::boost::optional< ::basegfx::B2DPoint > maPosPixel;
::boost::optional< ::basegfx::B2DPoint > maPos;
::boost::optional< ::basegfx::B2DPolyPolygon > maClip;
::boost::optional< ::basegfx::B2DHomMatrix > maTransform;
bool mbSpriteVisible;
};
typedef ::boost::shared_ptr< AnimatedSprite > AnimatedSpriteSharedPtr;
}
}
#endif /* _SLIDESHOW_ANIMATEDSPRITE_HXX */
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