diff options
Diffstat (limited to 'include/svx/sdr/contact/viewobjectcontact.hxx')
| -rw-r--r-- | include/svx/sdr/contact/viewobjectcontact.hxx | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/include/svx/sdr/contact/viewobjectcontact.hxx b/include/svx/sdr/contact/viewobjectcontact.hxx new file mode 100644 index 000000000000..96c3918a4c42 --- /dev/null +++ b/include/svx/sdr/contact/viewobjectcontact.hxx @@ -0,0 +1,147 @@ +/* -*- 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_CONTACT_VIEWOBJECTCONTACT_HXX +#define _SDR_CONTACT_VIEWOBJECTCONTACT_HXX + +#include <sal/types.h> + +#include <vector> +#include "svx/svxdllapi.h" +#include <drawinglayer/primitive2d/baseprimitive2d.hxx> + +////////////////////////////////////////////////////////////////////////////// +// predeclarations + +class Region; + +namespace sdr { namespace contact { + class DisplayInfo; + class ObjectContact; + class ViewContact; + class ViewObjectContactRedirector; +}} + +namespace sdr { namespace animation { + class PrimitiveAnimation; +}} + +////////////////////////////////////////////////////////////////////////////// + +namespace sdr +{ + namespace contact + { + class SVX_DLLPUBLIC ViewObjectContact + { + private: + // must-exist and constant contacts + ObjectContact& mrObjectContact; + ViewContact& mrViewContact; + + // This range defines the object's BoundRect + basegfx::B2DRange maObjectRange; + + // PrimitiveSequence of the ViewContact. This contains all necessary information + // for the graphical visualisation and needs to be supported by all VCs which + // can be visualized. + drawinglayer::primitive2d::Primitive2DSequence mxPrimitive2DSequence; + + // the PrimitiveAnimation if Primitive2DSequence contains animations + sdr::animation::PrimitiveAnimation* mpPrimitiveAnimation; + + // bitfield + // This bool gets set when the object gets invalidated by ActionChanged() and + // can be used from the OC to late-invalidates + unsigned mbLazyInvalidate : 1; + + protected: + // make redirector a protected friend, it needs to call createPrimitives as default action + friend class ViewObjectContactRedirector; + + // Called from getPrimitive2DSequence() when vector has changed. Evaluate object animation + // and setup accordingly + void checkForPrimitive2DAnimations(); + + // This method is responsible for creating the graphical visualisation data which is + // stored/cached in the local primitive. Default gets view-independent Primitive + // from the ViewContact using ViewContact::getViewIndependentPrimitive2DSequence(), takes care of + // visibility, handles glue and ghosted. + // This method will not handle included hierarchies and not check geometric visibility. + virtual drawinglayer::primitive2d::Primitive2DSequence createPrimitive2DSequence(const DisplayInfo& rDisplayInfo) const; + + // method for flushing Primitive2DSequence for VOC implementations + void flushPrimitive2DSequence() { mxPrimitive2DSequence.realloc(0); } + + public: + // basic constructor. + ViewObjectContact(ObjectContact& rObjectContact, ViewContact& rViewContact); + virtual ~ViewObjectContact(); + + // access to ObjectContact + ObjectContact& GetObjectContact() const { return mrObjectContact; } + + // access to ViewContact + ViewContact& GetViewContact() const { return mrViewContact; } + + // get the oebject's size range + const basegfx::B2DRange& getObjectRange() const; + + // A ViewObjectContact was deleted and shall be forgotten. + void RemoveViewObjectContact(ViewObjectContact& rVOContact); + + // React on changes of the object of this ViewContact + virtual void ActionChanged(); + + // LazyInvalidate handling + void triggerLazyInvalidate(); + + // Check if this primitive is animated in any OC (View) which means it has + // generated a PrimitiveAnimation + bool isAnimated() const { return (0 != mpPrimitiveAnimation); } + + // Take some action when new objects are inserted + virtual void ActionChildInserted(ViewContact& rChild); + + // access to the local primitive. This will ensure that the local primitive is + // current in comparing the local one with a fresh created incarnation + // This method will not handle included hierarchies and not check visibility. + drawinglayer::primitive2d::Primitive2DSequence getPrimitive2DSequence(const DisplayInfo& rDisplayInfo) const; + + // test this VOC for visibility concerning model-view stuff like e.g. Layer + virtual bool isPrimitiveVisible(const DisplayInfo& rDisplayInfo) const; + + // test this VOC for ghosted mode + virtual bool isPrimitiveGhosted(const DisplayInfo& rDisplayInfo) const; + + // process this primitive: Eventually also recursively travel an existing hierarchy, + // e.g. for group objects, scenes or pages. This method will test geometrical visibility. + virtual drawinglayer::primitive2d::Primitive2DSequence getPrimitive2DSequenceHierarchy(DisplayInfo& rDisplayInfo) const; + + // just process the sub-hierarchy, used as tooling from getPrimitive2DSequenceHierarchy + drawinglayer::primitive2d::Primitive2DSequence getPrimitive2DSequenceSubHierarchy(DisplayInfo& rDisplayInfo) const; + }; + } // end of namespace contact +} // end of namespace sdr + +////////////////////////////////////////////////////////////////////////////// + +#endif //_SDR_CONTACT_VIEWOBJECTCONTACT_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |