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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /include/svx/sdr/contact/viewobjectcontact.hxx
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+/* -*- 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 INCLUDED_SVX_SDR_CONTACT_VIEWOBJECTCONTACT_HXX
+#define INCLUDED_SVX_SDR_CONTACT_VIEWOBJECTCONTACT_HXX
+
+#include <memory>
+#include <svx/svxdllapi.h>
+#include <drawinglayer/primitive2d/Primitive2DContainer.hxx>
+
+namespace vcl { class Region; }
+
+namespace sdr::animation {
+ class PrimitiveAnimation;
+}
+namespace drawinglayer::primitive2d { class Primitive2DDecompositionVisitor; }
+
+namespace sdr::contact {
+
+class DisplayInfo;
+class ObjectContact;
+class ViewContact;
+class ViewObjectContactRedirector;
+
+class SVXCORE_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::Primitive2DContainer mxPrimitive2DSequence;
+
+ // the PrimitiveAnimation if Primitive2DContainer contains animations
+ std::unique_ptr<sdr::animation::PrimitiveAnimation> mpPrimitiveAnimation;
+
+ // possible on-demand calculated GridOffset for non-linear ViewToDevice transformation (calc)
+ basegfx::B2DVector maGridOffset;
+
+ // used to detect ActionChanged() during primitive construction
+ int mnActionChangedCount;
+
+ // This bool gets set when the object gets invalidated by ActionChanged() and
+ // can be used from the OC to late-invalidates
+ bool 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::getViewIndependentPrimitive2DContainer(), takes care of
+ // visibility, handles glue and ghosted.
+ // This method will not handle included hierarchies and not check geometric visibility.
+ virtual void createPrimitive2DSequence(const DisplayInfo& rDisplayInfo, drawinglayer::primitive2d::Primitive2DDecompositionVisitor& rVisitor) const;
+
+ // method for flushing Primitive2DContainer for VOC implementations
+ void flushPrimitive2DSequence() { mxPrimitive2DSequence.clear(); }
+
+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 object size range
+ const basegfx::B2DRange& getObjectRange() const;
+
+ // 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 (nullptr != mpPrimitiveAnimation); }
+
+ // Take some action when new objects are inserted
+ 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::Primitive2DContainer const & 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 void getPrimitive2DSequenceHierarchy(DisplayInfo& rDisplayInfo, drawinglayer::primitive2d::Primitive2DDecompositionVisitor& rVisitor) const;
+
+ // just process the sub-hierarchy, used as tooling from getPrimitive2DSequenceHierarchy
+ void getPrimitive2DSequenceSubHierarchy(DisplayInfo& rDisplayInfo, drawinglayer::primitive2d::Primitive2DDecompositionVisitor& rVisitor) const;
+
+ // interface to support GridOffset for non-linear ViewToDevice transformation (calc)
+ const basegfx::B2DVector& getGridOffset() const;
+ void resetGridOffset();
+};
+
+}
+
+
+#endif // INCLUDED_SVX_SDR_CONTACT_VIEWOBJECTCONTACT_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */