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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_OVERLAY_OVERLAYOBJECT_HXX
#define INCLUDED_SVX_SDR_OVERLAY_OVERLAYOBJECT_HXX
#include <basegfx/point/b2dpoint.hxx>
#include <basegfx/range/b2drange.hxx>
#include <tools/color.hxx>
#include <svx/sdr/animation/scheduler.hxx>
#include <svx/svxdllapi.h>
#include <drawinglayer/primitive2d/Primitive2DContainer.hxx>
#include <vector>
class OutputDevice;
namespace sdr::overlay
{
class OverlayManager;
}
namespace basegfx
{
class B2DPolygon;
class B2DPolyPolygon;
class B2DRange;
}
namespace sdr::overlay
{
class SVXCORE_DLLPUBLIC OverlayObject : public sdr::animation::Event
{
private:
OverlayObject(const OverlayObject&) = delete;
OverlayObject& operator=(const OverlayObject&) = delete;
// Manager is allowed access to private Member mpOverlayManager
friend class OverlayManager;
// pointer to OverlayManager, if object is added. Changed by
// OverlayManager, do not change Yourself.
OverlayManager* mpOverlayManager;
// Primitive2DContainer of the OverlayObject
drawinglayer::primitive2d::Primitive2DContainer maPrimitive2DSequence;
// Possible Offset added to the geometry (automatically in
// createOverlayObjectPrimitive2DSequence()). Usually zero, may
// be used e.g. from calc when GridOffset is needed
basegfx::B2DVector maOffset;
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.
// Resetting is allowed e.g. in ::getOverlayObjectPrimitive2DSequence() implementations
// if the conditions have changed to force a re-creation in calling the base implementation.
// The only allowed setter of maPrimitive2DSequence is
// OverlayObject::getOverlayObjectPrimitive2DSequence() which should be called by calling
// the base implementation in derived functions. That one will use the result of
// createOverlayObjectPrimitive2DSequence() to provide the geometry.
const drawinglayer::primitive2d::Primitive2DContainer& getPrimitive2DSequence() const { return maPrimitive2DSequence; }
void resetPrimitive2DSequence() { maPrimitive2DSequence.clear(); }
// the creation method for Primitive2DContainer. 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::Primitive2DContainer createOverlayObjectPrimitive2DSequence();
// #i53216# check blink time value range (currently 25 < mnBlinkTime < 10000)
static sal_uInt32 impCheckBlinkTimeValueRange(sal_uInt64 nBlinkTime);
// region in logical coordinates
basegfx::B2DRange maBaseRange;
// base color of this OverlayObject
Color maBaseColor;
// Flag for visibility
bool mbIsVisible : 1;
// Flag to control hittability
bool mbIsHittable : 1;
// Flag to hold info if this objects supports animation. Default is
// false. If true, the Trigger() method should be overridden
// to implement the animation effect and to re-initiate the event.
bool mbAllowsAnimation : 1;
// Flag to control if this OverlayObject allows AntiAliased visualisation.
// Default is true, but e.g. for selection visualisation in SC and SW,
// it is switched to false
bool 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.
void objectChange();
// write access to AntiAliase flag. This is protected since
// only implementations are allowed to change this, preferably in their
// constructor
void allowAntiAliase(bool bNew);
public:
explicit OverlayObject(Color aBaseColor);
virtual ~OverlayObject() override;
// get OverlayManager
OverlayManager* getOverlayManager() const { return mpOverlayManager; }
// the access method for Primitive2DContainer. Will use createPrimitive2DSequence and
// setPrimitive2DSequence if needed. Overriding may be used to allow disposal of last
// created primitives to react on changed circumstances and to re-create primitives
virtual drawinglayer::primitive2d::Primitive2DContainer 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
const Color& getBaseColor() const { return maBaseColor; }
void setBaseColor(Color aNew);
// access to Offset
const basegfx::B2DVector& getOffset() const { return maOffset; }
void setOffset(const basegfx::B2DVector& rOffset);
// 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) override;
// access 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 sdr::overlay
namespace sdr::overlay
{
class SVXCORE_DLLPUBLIC OverlayObjectWithBasePosition : public OverlayObject
{
protected:
// base position in logical coordinates
basegfx::B2DPoint maBasePosition;
public:
OverlayObjectWithBasePosition(const basegfx::B2DPoint& rBasePos, Color aBaseColor);
virtual ~OverlayObjectWithBasePosition() override;
// access to basePosition
const basegfx::B2DPoint& getBasePosition() const { return maBasePosition; }
void setBasePosition(const basegfx::B2DPoint& rNew);
};
} // end of namespace sdr::overlay
#endif // INCLUDED_SVX_SDR_OVERLAY_OVERLAYOBJECT_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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