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Diffstat (limited to 'sd/source/ui/presenter/PresenterCanvas.hxx')
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diff --git a/sd/source/ui/presenter/PresenterCanvas.hxx b/sd/source/ui/presenter/PresenterCanvas.hxx new file mode 100644 index 000000000000..6cc97d14c6fa --- /dev/null +++ b/sd/source/ui/presenter/PresenterCanvas.hxx @@ -0,0 +1,444 @@ +/************************************************************************* + * + * 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 SD_PRESENTER_PRESENTER_CANVAS_HXX +#define SD_PRESENTER_PRESENTER_CANVAS_HXX + +#include "CanvasUpdateRequester.hxx" +#include <basegfx/range/b2drectangle.hxx> +#include <com/sun/star/awt/Point.hpp> +#include <com/sun/star/awt/XWindow.hpp> +#include <com/sun/star/awt/XWindowListener.hpp> +#include <com/sun/star/geometry/AffineMatrix2D.hpp> +#include <com/sun/star/lang/XInitialization.hpp> +#include <com/sun/star/lang/IllegalArgumentException.hpp> +#include <com/sun/star/rendering/XSpriteCanvas.hpp> +#include <com/sun/star/rendering/VolatileContentDestroyedException.hpp> +#include <cppuhelper/basemutex.hxx> +#include <cppuhelper/compbase4.hxx> +#include <boost/noncopyable.hpp> +#include <boost/shared_ptr.hpp> + +namespace css = ::com::sun::star; + +namespace sd { namespace presenter { + +namespace { + typedef ::cppu::WeakComponentImplHelper4 < + css::rendering::XSpriteCanvas, + css::rendering::XBitmap, + css::awt::XWindowListener, + css::lang::XInitialization + > PresenterCanvasInterfaceBase; +} + +/** Wrapper around a shared canvas that forwards most of its methods to the + shared canvas. Most notable differences are: + 1. The transformation of the ViewState of forwarded calls is modified by adding + an offset. + 2. The clip polygon of the ViewState of forwarded calls is intersected + with a clip rectangle that can be set via SetClip(). + 3. Calls to updateScreen() are collected. One call to the updateScreen() + method of the shared canvas is made asynchronously. + + The canvas can use different canvases for sharing and for sprite + construction. This allows the shared canvas to be a canvas of sprite itself. +*/ +class PresenterCanvas + : private ::boost::noncopyable, + private ::cppu::BaseMutex, + public PresenterCanvasInterfaceBase +{ +public: + /** This constructor is used when a PresenterCanvas object is created as + a service. + */ + PresenterCanvas (void); + + /** This constructor is used when a PresenterCanvas object is created + directly, typically by the PresenterCanvasFactory. + @param rxUpdateCanvas + This canvas is used to call updateScreen() at and to create + sprites. In the typical case this canvas is identical to the + rxSharedCanvas argument. + @param rxUpdateWindow + The window that belongs to the canvas given by the + rxUpdateCanvas argument. + @param rxSharedCanvas + The canvas that is wrapped by the new instance of this class. + Typically this is a regular XSpriteCanvas and then is identical + to the one given by the rxUpdateCanvas argument. It may be the + canvas of a sprite which does not support the XSpriteCanvas + interface. In that case the canvas that created the sprite can + be given as rxUpdateCanvas argument to allow to create further + sprites and to have proper calls to updateScreen(). + @param rxSharedWindow + The window that belongs to the canvas given by the + rxSharedCanvas argument. + @param rxWindow + The window that is represented by the new PresenterCanvas + object. It is expected to be a direct decendent of + rxSharedWindow. Its position inside rxSharedWindow defines the + offset of the canvas implemented by the new PresenterCanvas + object and rxSharedCanvas. + */ + PresenterCanvas ( + const css::uno::Reference<css::rendering::XSpriteCanvas>& rxUpdateCanvas, + const css::uno::Reference<css::awt::XWindow>& rxUpdateWindow, + const css::uno::Reference<css::rendering::XCanvas>& rxSharedCanvas, + const css::uno::Reference<css::awt::XWindow>& rxSharedWindow, + const css::uno::Reference<css::awt::XWindow>& rxWindow); + virtual ~PresenterCanvas (void); + + virtual void SAL_CALL disposing (void) + throw (css::uno::RuntimeException); + + css::awt::Point GetOffset (const css::uno::Reference<css::awt::XWindow>& rxBaseWindow); + + /** Merge the given view state with the view state that translates the + (virtual) child canvas to the shared canvas. + */ + css::rendering::ViewState MergeViewState ( + const css::rendering::ViewState& rViewState, + const css::awt::Point& raOffset); + + css::uno::Reference<css::rendering::XCanvas> GetSharedCanvas (void) const; + + /** This method is typically called by CanvasPane objects to set the + repaint rectangle of a windowPaint() call as clip rectangle. When + no or an empty rectangle is given then the window bounds are used + instead. + @param rClipRectangle + A valid rectangle is used to clip the view state clip polygon. + When an empty rectangle is given then the view state clip + polygons are clipped against the window bounds. + */ + void SetClip (const css::awt::Rectangle& rClipRectangle); + + /** Called by custom sprites to update their clip polygon so that they + are clipped at the borders of the canvas. This method has to be + called after each change of the sprite location so that the bounds + of the canvas can be transformed into the coordinate system of the + sprite. + */ + css::uno::Reference<css::rendering::XPolyPolygon2D> UpdateSpriteClip ( + const css::uno::Reference<css::rendering::XPolyPolygon2D>& rxOriginalClip, + const css::geometry::RealPoint2D& rLocation, + const css::geometry::RealSize2D& rSize); + + + // XInitialization + + virtual void SAL_CALL initialize ( + const css::uno::Sequence<css::uno::Any>& rArguments) + throw(css::uno::Exception, css::uno::RuntimeException); + + + // XCanvas + + virtual void SAL_CALL clear (void) + throw (css::uno::RuntimeException); + + virtual void SAL_CALL drawPoint ( + const css::geometry::RealPoint2D& aPoint, + const css::rendering::ViewState& aViewState, + const css::rendering::RenderState& aRenderState) + throw (css::lang::IllegalArgumentException, css::uno::RuntimeException); + + virtual void SAL_CALL drawLine ( + const css::geometry::RealPoint2D& aStartPoint, + const css::geometry::RealPoint2D& aEndPoint, + const css::rendering::ViewState& aViewState, + const css::rendering::RenderState& aRenderState) + throw (css::lang::IllegalArgumentException, css::uno::RuntimeException); + + virtual void SAL_CALL drawBezier ( + const css::geometry::RealBezierSegment2D& aBezierSegment, + const css::geometry::RealPoint2D& aEndPoint, + const css::rendering::ViewState& aViewState, + const css::rendering::RenderState& aRenderState) + throw (css::lang::IllegalArgumentException, css::uno::RuntimeException); + + virtual css::uno::Reference<css::rendering::XCachedPrimitive> SAL_CALL drawPolyPolygon ( + const css::uno::Reference< css::rendering::XPolyPolygon2D >& xPolyPolygon, + const css::rendering::ViewState& aViewState, + const css::rendering::RenderState& aRenderState) + throw (css::lang::IllegalArgumentException, css::uno::RuntimeException); + + virtual css::uno::Reference<css::rendering::XCachedPrimitive> SAL_CALL strokePolyPolygon ( + const css::uno::Reference< css::rendering::XPolyPolygon2D >& xPolyPolygon, + const css::rendering::ViewState& aViewState, + const css::rendering::RenderState& aRenderState, + const css::rendering::StrokeAttributes& aStrokeAttributes) + throw (css::lang::IllegalArgumentException, css::uno::RuntimeException); + + virtual css::uno::Reference<css::rendering::XCachedPrimitive> SAL_CALL + strokeTexturedPolyPolygon ( + const css::uno::Reference< css::rendering::XPolyPolygon2D >& xPolyPolygon, + const css::rendering::ViewState& aViewState, + const css::rendering::RenderState& aRenderState, + const css::uno::Sequence< css::rendering::Texture >& aTextures, + const css::rendering::StrokeAttributes& aStrokeAttributes) + throw (css::lang::IllegalArgumentException, + css::rendering::VolatileContentDestroyedException, + css::uno::RuntimeException); + + virtual css::uno::Reference<css::rendering::XCachedPrimitive> SAL_CALL + strokeTextureMappedPolyPolygon( + const css::uno::Reference<css::rendering::XPolyPolygon2D >& xPolyPolygon, + const css::rendering::ViewState& aViewState, + const css::rendering::RenderState& aRenderState, + const css::uno::Sequence<css::rendering::Texture>& aTextures, + const css::uno::Reference<css::geometry::XMapping2D>& xMapping, + const css::rendering::StrokeAttributes& aStrokeAttributes) + throw (css::lang::IllegalArgumentException, + css::rendering::VolatileContentDestroyedException, + css::uno::RuntimeException); + + virtual css::uno::Reference<css::rendering::XPolyPolygon2D> SAL_CALL + queryStrokeShapes( + const css::uno::Reference<css::rendering::XPolyPolygon2D>& xPolyPolygon, + const css::rendering::ViewState& aViewState, + const css::rendering::RenderState& aRenderState, + const css::rendering::StrokeAttributes& aStrokeAttributes) + throw (css::lang::IllegalArgumentException, css::uno::RuntimeException); + + virtual css::uno::Reference<css::rendering::XCachedPrimitive> SAL_CALL + fillPolyPolygon( + const css::uno::Reference<css::rendering::XPolyPolygon2D>& xPolyPolygon, + const css::rendering::ViewState& aViewState, + const css::rendering::RenderState& aRenderState) + throw (css::lang::IllegalArgumentException, + css::uno::RuntimeException); + + virtual css::uno::Reference<css::rendering::XCachedPrimitive> SAL_CALL + fillTexturedPolyPolygon( + const css::uno::Reference<css::rendering::XPolyPolygon2D>& xPolyPolygon, + const css::rendering::ViewState& aViewState, + const css::rendering::RenderState& aRenderState, + const css::uno::Sequence<css::rendering::Texture>& xTextures) + throw (css::lang::IllegalArgumentException, + css::rendering::VolatileContentDestroyedException, + css::uno::RuntimeException); + + virtual css::uno::Reference<css::rendering::XCachedPrimitive> SAL_CALL + fillTextureMappedPolyPolygon( + const css::uno::Reference< css::rendering::XPolyPolygon2D >& xPolyPolygon, + const css::rendering::ViewState& aViewState, + const css::rendering::RenderState& aRenderState, + const css::uno::Sequence< css::rendering::Texture >& xTextures, + const css::uno::Reference< css::geometry::XMapping2D >& xMapping) + throw (css::lang::IllegalArgumentException, + css::rendering::VolatileContentDestroyedException, + css::uno::RuntimeException); + + virtual css::uno::Reference<css::rendering::XCanvasFont> SAL_CALL + createFont( + const css::rendering::FontRequest& aFontRequest, + const css::uno::Sequence< css::beans::PropertyValue >& aExtraFontProperties, + const css::geometry::Matrix2D& aFontMatrix) + throw (css::lang::IllegalArgumentException, + css::uno::RuntimeException); + + virtual css::uno::Sequence<css::rendering::FontInfo> SAL_CALL + queryAvailableFonts( + const css::rendering::FontInfo& aFilter, + const css::uno::Sequence< css::beans::PropertyValue >& aFontProperties) + throw (css::lang::IllegalArgumentException, css::uno::RuntimeException); + + virtual css::uno::Reference<css::rendering::XCachedPrimitive> SAL_CALL + drawText( + const css::rendering::StringContext& aText, + const css::uno::Reference< css::rendering::XCanvasFont >& xFont, + const css::rendering::ViewState& aViewState, + const css::rendering::RenderState& aRenderState, + ::sal_Int8 nTextDirection) + throw (css::lang::IllegalArgumentException, css::uno::RuntimeException); + + virtual css::uno::Reference<css::rendering::XCachedPrimitive> SAL_CALL + drawTextLayout( + const css::uno::Reference< css::rendering::XTextLayout >& xLayoutetText, + const css::rendering::ViewState& aViewState, + const css::rendering::RenderState& aRenderState) + throw (css::lang::IllegalArgumentException, css::uno::RuntimeException); + + virtual css::uno::Reference<css::rendering::XCachedPrimitive> SAL_CALL + drawBitmap( + const css::uno::Reference< css::rendering::XBitmap >& xBitmap, + const css::rendering::ViewState& aViewState, + const css::rendering::RenderState& aRenderState) + throw (css::lang::IllegalArgumentException, + css::rendering::VolatileContentDestroyedException, + css::uno::RuntimeException); + + virtual css::uno::Reference<css::rendering::XCachedPrimitive> SAL_CALL + drawBitmapModulated( + const css::uno::Reference< css::rendering::XBitmap>& xBitmap, + const css::rendering::ViewState& aViewState, + const css::rendering::RenderState& aRenderState) + throw (css::lang::IllegalArgumentException, + css::rendering::VolatileContentDestroyedException, + css::uno::RuntimeException); + + virtual css::uno::Reference<css::rendering::XGraphicDevice> SAL_CALL + getDevice (void) + throw (css::uno::RuntimeException); + + + // XBitmapCanvas + + void SAL_CALL copyRect( + const css::uno::Reference< css::rendering::XBitmapCanvas >& sourceCanvas, + const css::geometry::RealRectangle2D& sourceRect, + const css::rendering::ViewState& sourceViewState, + const css::rendering::RenderState& sourceRenderState, + const css::geometry::RealRectangle2D& destRect, + const css::rendering::ViewState& destViewState, + const css::rendering::RenderState& destRenderState) + throw (css::lang::IllegalArgumentException, + css::rendering::VolatileContentDestroyedException, + css::uno::RuntimeException); + + + // XSpriteCanvas + + css::uno::Reference< css::rendering::XAnimatedSprite > SAL_CALL + createSpriteFromAnimation ( + const css::uno::Reference< css::rendering::XAnimation >& animation) + throw (css::lang::IllegalArgumentException, css::uno::RuntimeException); + + css::uno::Reference< css::rendering::XAnimatedSprite > SAL_CALL + createSpriteFromBitmaps ( + const css::uno::Sequence< + css::uno::Reference< css::rendering::XBitmap > >& animationBitmaps, + ::sal_Int8 interpolationMode) + throw (css::lang::IllegalArgumentException, + css::rendering::VolatileContentDestroyedException, + css::uno::RuntimeException); + + css::uno::Reference< css::rendering::XCustomSprite > SAL_CALL + createCustomSprite ( + const css::geometry::RealSize2D& spriteSize) + throw (css::lang::IllegalArgumentException, css::uno::RuntimeException); + + css::uno::Reference< css::rendering::XSprite > SAL_CALL + createClonedSprite ( + const css::uno::Reference< css::rendering::XSprite >& original) + throw (css::lang::IllegalArgumentException, css::uno::RuntimeException); + + ::sal_Bool SAL_CALL updateScreen (::sal_Bool bUpdateAll) + throw (css::uno::RuntimeException); + + + // XEventListener + + virtual void SAL_CALL disposing (const css::lang::EventObject& rEvent) + throw (css::uno::RuntimeException); + + + // XWindowListener + + virtual void SAL_CALL windowResized (const css::awt::WindowEvent& rEvent) + throw (css::uno::RuntimeException); + + virtual void SAL_CALL windowMoved (const css::awt::WindowEvent& rEvent) + throw (css::uno::RuntimeException); + + virtual void SAL_CALL windowShown (const css::lang::EventObject& rEvent) + throw (css::uno::RuntimeException); + + virtual void SAL_CALL windowHidden (const css::lang::EventObject& rEvent) + throw (css::uno::RuntimeException); + + + // XBitmap + + virtual css::geometry::IntegerSize2D SAL_CALL getSize (void) + throw (css::uno::RuntimeException); + + virtual sal_Bool SAL_CALL hasAlpha (void) + throw (css::uno::RuntimeException); + + virtual css::uno::Reference<css::rendering::XBitmapCanvas> SAL_CALL queryBitmapCanvas (void) + throw (css::uno::RuntimeException); + + virtual css::uno::Reference<css::rendering::XBitmap> SAL_CALL getScaledBitmap( + const css::geometry::RealSize2D& rNewSize, + sal_Bool bFast) + throw (css::uno::RuntimeException, + css::lang::IllegalArgumentException, + css::rendering::VolatileContentDestroyedException); + +private: + css::uno::Reference<css::rendering::XSpriteCanvas> mxUpdateCanvas; + css::uno::Reference<css::awt::XWindow> mxUpdateWindow; + css::uno::Reference<css::rendering::XCanvas> mxSharedCanvas; + css::uno::Reference<css::awt::XWindow> mxSharedWindow; + + /** The window for which a canvas is emulated. + */ + css::uno::Reference<css::awt::XWindow> mxWindow; + + /** Offset of the emulated canvas with respect to the shared canvas. + */ + css::awt::Point maOffset; + + /** The UpdateRequester is used by updateScreen() to schedule + updateScreen() calls at the shared canvas. + */ + ::boost::shared_ptr<CanvasUpdateRequester> mpUpdateRequester; + + /** The clip rectangle as given to SetClip(). + */ + css::awt::Rectangle maClipRectangle; + + /** When this flag is true (it is set to true after every call to + updateScreen()) then the next call to MergeViewState updates the + maOffset member. A possible optimization would set this flag only + to true when one of the windows between mxWindow and mxSharedWindow + changes its position. + */ + bool mbOffsetUpdatePending; + + ::basegfx::B2DRectangle GetClipRectangle ( + const css::geometry::AffineMatrix2D& rViewTransform, + const css::awt::Point& rOffset); + + css::rendering::ViewState MergeViewState (const css::rendering::ViewState& rViewState); + + /** This method throws a DisposedException when the object has already been + disposed. + */ + void ThrowIfDisposed (void) + throw (css::lang::DisposedException); +}; + + + +} } // end of namespace ::sd::presenter + +#endif |