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Diffstat (limited to 'slideshow/source/inc/animatedsprite.hxx')
| -rw-r--r-- | slideshow/source/inc/animatedsprite.hxx | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/slideshow/source/inc/animatedsprite.hxx b/slideshow/source/inc/animatedsprite.hxx new file mode 100644 index 000000000000..578b78bcf309 --- /dev/null +++ b/slideshow/source/inc/animatedsprite.hxx @@ -0,0 +1,189 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +#ifndef INCLUDED_SLIDESHOW_ANIMATEDSPRITE_HXX +#define INCLUDED_SLIDESHOW_ANIMATEDSPRITE_HXX + +#include <cppcanvas/customsprite.hxx> + +#include <basegfx/matrix/b2dhommatrix.hxx> +#include <basegfx/vector/b2dsize.hxx> +#include <basegfx/point/b2dpoint.hxx> +#include <basegfx/polygon/b2dpolypolygon.hxx> + +#include "viewlayer.hxx" + +#include <boost/optional.hpp> +#include <boost/shared_ptr.hpp> +#include <boost/noncopyable.hpp> + + +/* Definition of AnimatedSprite class */ + +namespace slideshow +{ + 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 : private boost::noncopyable + { + 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. + + @param nSpritePrio + Priority of the sprite. Must remain static over the + lifetime of this object + */ + AnimatedSprite( const ViewLayerSharedPtr& rViewLayer, + const ::basegfx::B2DSize& rSpriteSizePixel, + double nSpritePrio ); + + /** 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 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 ); + + /** Clears a sprite clip + + If the sprite is not yet created, this method has no + effect. + */ + void clip(); + + /** 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: + ViewLayerSharedPtr mpViewLayer; + + ::cppcanvas::CustomSpriteSharedPtr mpSprite; + ::basegfx::B2DSize maEffectiveSpriteSizePixel; + ::basegfx::B2DSize maContentPixelOffset; + + double mnSpritePrio; + double mnAlpha; + ::boost::optional< ::basegfx::B2DPoint > maPosPixel; + ::boost::optional< ::basegfx::B2DPolyPolygon > maClip; + ::boost::optional< ::basegfx::B2DHomMatrix > maTransform; + + bool mbSpriteVisible; + }; + + typedef ::boost::shared_ptr< AnimatedSprite > AnimatedSpriteSharedPtr; + + } +} + +#endif /* INCLUDED_SLIDESHOW_ANIMATEDSPRITE_HXX */ + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |