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Diffstat (limited to 'include/svx/sdr/overlay/overlayobject.hxx')
| -rw-r--r-- | include/svx/sdr/overlay/overlayobject.hxx | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/include/svx/sdr/overlay/overlayobject.hxx b/include/svx/sdr/overlay/overlayobject.hxx new file mode 100644 index 000000000000..263e9a9ab57c --- /dev/null +++ b/include/svx/sdr/overlay/overlayobject.hxx @@ -0,0 +1,196 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * 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 . + */ + +#ifndef _SDR_OVERLAY_OVERLAYOBJECT_HXX +#define _SDR_OVERLAY_OVERLAYOBJECT_HXX + +#include <basegfx/point/b2dpoint.hxx> +#include <basegfx/range/b2drange.hxx> +#include <tools/color.hxx> +#include <rtl/ref.hxx> +#include <svx/sdr/animation/scheduler.hxx> +#include "svx/svxdllapi.h" +#include <drawinglayer/primitive2d/baseprimitive2d.hxx> + +#include <vector> + +////////////////////////////////////////////////////////////////////////////// +// predeclarations + +class OutputDevice; + +namespace sdr +{ + namespace overlay + { + class OverlayManager; + } // end of namespace overlay +} // end of namespace sdr + +namespace basegfx +{ + class B2DPolygon; + class B2DPolyPolygon; + class B2DRange; +} // end of namespace basegfx + +////////////////////////////////////////////////////////////////////////////// + +namespace sdr +{ + namespace overlay + { + class SVX_DLLPUBLIC OverlayObject : private ::boost::noncopyable, public ::sdr::animation::Event + { + private: + // Manager is allowed access to private Member mpOverlayManager + friend class OverlayManager; + + // pointer to OverlayManager, if object is added. Changed by + // OverlayManager, do not chnge Yourself. + OverlayManager* mpOverlayManager; + + // Primitive2DSequence of the OverlayObject + drawinglayer::primitive2d::Primitive2DSequence maPrimitive2DSequence; + + protected: + // access methods to maPrimitive2DSequence. The usage of this methods may allow + // later thread-safe stuff to be added if needed. Only to be used by getPrimitive2DSequence() + // implementations for buffering the last decomposition. + const drawinglayer::primitive2d::Primitive2DSequence& getPrimitive2DSequence() const { return maPrimitive2DSequence; } + void setPrimitive2DSequence(const drawinglayer::primitive2d::Primitive2DSequence& rNew) { maPrimitive2DSequence = rNew; } + + // the creation method for Primitive2DSequence. Called when getPrimitive2DSequence() + // sees that maPrimitive2DSequence is empty. Needs to be supported by all + // OverlayObject implementations. Default implementation will assert + // a missing implementation + virtual drawinglayer::primitive2d::Primitive2DSequence createOverlayObjectPrimitive2DSequence(); + + // region in logical coordinates + basegfx::B2DRange maBaseRange; + + // base color of this OverlayObject + Color maBaseColor; + + // bitfield + // Flag for visibility + unsigned mbIsVisible : 1; + + // Flag to control hittability + unsigned mbIsHittable : 1; + + // Flag to hold info if this objects supports animation. Default is + // false. If true, the Trigger() method should be overloaded + // to implement the animation effect and to re-initiate the event. + unsigned mbAllowsAnimation : 1; + + // Flag tocontrol if this OverlayObject allows AntiAliased visualisation. + // Default is true, but e.g. for selection visualisation in SC and SW, + // it is switched to false + unsigned mbAllowsAntiAliase : 1; + + // set changed flag. Call after change, since the old range is invalidated + // and then the new one is calculated and invalidated, too. This will only + // work after the change. + virtual void objectChange(); + + // write access to AntiAliase flag. This is protected since + // only implementations are allowed to change this, preferrably in their + // constructor + void allowAntiAliase(bool bNew); + + public: + explicit OverlayObject(Color aBaseColor); + virtual ~OverlayObject(); + + // get OverlayManager + OverlayManager* getOverlayManager() const { return mpOverlayManager; } + + // the access method for Primitive2DSequence. Will use createPrimitive2DSequence and + // setPrimitive2DSequence if needed. Overloading may be used to allow disposal of last + // created primitives to react on changed circumstances and to re-create primitives + virtual drawinglayer::primitive2d::Primitive2DSequence getOverlayObjectPrimitive2DSequence() const; + + // access to visibility state + bool isVisible() const { return mbIsVisible; } + void setVisible(bool bNew); + + // access to hittable flag + bool isHittable() const { return mbIsHittable; } + void setHittable(bool bNew); + + // read access to AntiAliase flag + bool allowsAntiAliase() const { return mbAllowsAntiAliase; } + + // read access to baseRange. This may trigger createBaseRange() if + // object is changed. + const basegfx::B2DRange& getBaseRange() const; + + // access to baseColor + Color getBaseColor() const { return maBaseColor; } + void setBaseColor(Color aNew); + + // execute event from base class ::sdr::animation::Event. Default + // implementation does nothing and does not create a new event. + virtual void Trigger(sal_uInt32 nTime); + + // acces to AllowsAnimation flag + bool allowsAnimation() const { return mbAllowsAnimation; } + + // stripe definition has changed. The OverlayManager does have + // support data to draw graphics in two colors striped. This + // method notifies the OverlayObject if that change takes place. + // Default implementation does nothing. + virtual void stripeDefinitionHasChanged(); + }; + + // typedefs for a vector of OverlayObjects + typedef ::std::vector< OverlayObject* > OverlayObjectVector; + + } // end of namespace overlay +} // end of namespace sdr + +////////////////////////////////////////////////////////////////////////////// + +namespace sdr +{ + namespace overlay + { + class SVX_DLLPUBLIC OverlayObjectWithBasePosition : public OverlayObject + { + protected: + // base position in logical coordinates + basegfx::B2DPoint maBasePosition; + + public: + OverlayObjectWithBasePosition(const basegfx::B2DPoint& rBasePos, Color aBaseColor); + virtual ~OverlayObjectWithBasePosition(); + + // access to basePosition + const basegfx::B2DPoint& getBasePosition() const { return maBasePosition; } + void setBasePosition(const basegfx::B2DPoint& rNew); + }; + } // end of namespace overlay +} // end of namespace sdr + +////////////////////////////////////////////////////////////////////////////// + +#endif //_SDR_OVERLAY_OVERLAYOBJECT_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |