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/*************************************************************************
*
* 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 _SDR_OVERLAY_OVERLAYMANAGER_HXX
#define _SDR_OVERLAY_OVERLAYMANAGER_HXX
#include <svx/sdr/animation/scheduler.hxx>
#include <svx/sdr/overlay/overlayobject.hxx>
#include <vcl/mapmod.hxx>
#include <tools/color.hxx>
#include "svx/svxdllapi.h"
#include <svtools/optionsdrawinglayer.hxx>
#include <basegfx/matrix/b2dhommatrix.hxx>
#include <drawinglayer/geometry/viewinformation2d.hxx>
//////////////////////////////////////////////////////////////////////////////
// predeclarations
class OutputDevice;
class Region;
namespace sdr { namespace overlay {
class OverlayObject;
}}
namespace basegfx {
class B2DRange;
}
//////////////////////////////////////////////////////////////////////////////
namespace sdr
{
namespace overlay
{
class SVX_DLLPUBLIC OverlayManager : public ::sdr::animation::Scheduler
{
protected:
// the OutputDevice to work on, set on construction and not to be changed
OutputDevice& rmOutputDevice;
// the vector of registered OverlayObjects
OverlayObjectVector maOverlayObjects;
// Stripe support. All striped OverlayObjects use these stripe
// values. Changes change all those objects.
Color maStripeColorA; // defaults to Color(COL_BLACK)
Color maStripeColorB; // defaults to Color(COL_WHITE)
sal_uInt32 mnStripeLengthPixel; // defaults to 4L
// hold an incarnation of Drawinglayer configuration options
SvtOptionsDrawinglayer maDrawinglayerOpt;
// hold buffered the logic length of discrete vector (1.0, 0.0) and the
// view transformation belonging to it. Update happens in getDiscreteOne()
basegfx::B2DHomMatrix maViewTransformation;
drawinglayer::geometry::ViewInformation2D maViewInformation2D;
double mfDiscreteOne;
// internal
void ImpDrawMembers(const basegfx::B2DRange& rRange, OutputDevice& rDestinationDevice) const;
void ImpStripeDefinitionChanged();
void impApplyRemoveActions(OverlayObject& rTarget);
void impApplyAddActions(OverlayObject& rTarget);
// return mfDiscreteOne to derivations, but also check for buffered local
// ViewTransformation and evtl. correct mfDiscreteOne
double getDiscreteOne() const;
public:
// when handing over another OverlayManager at construction, the OverlayObjects
// will be taken over from it. The new one will have added all OverlayObjects
// while the handed over one will have none
OverlayManager(
OutputDevice& rOutputDevice,
OverlayManager* pOldOverlayManager = 0);
virtual ~OverlayManager();
// access to current ViewInformation2D; this call checks and evtl. updates ViewInformation2D
const drawinglayer::geometry::ViewInformation2D getCurrentViewInformation2D() const;
// complete redraw
virtual void completeRedraw(const Region& rRegion, OutputDevice* pPreRenderDevice = 0) const;
// flush. Do buffered updates.
virtual void flush();
// #i68597# part of content gets copied, react on it
virtual void copyArea(const Point& rDestPt, const Point& rSrcPt, const Size& rSrcSize);
// restore part of background. Implemented form buffered versions only.
virtual void restoreBackground(const Region& rRegion) const;
// get the OutputDevice
OutputDevice& getOutputDevice() const { return rmOutputDevice; }
// add and remove OverlayObjects
void add(OverlayObject& rOverlayObject);
void remove(OverlayObject& rOverlayObject);
// invalidate the given range at local OutputDevice
virtual void invalidateRange(const basegfx::B2DRange& rRange);
// stripe support ColA
Color getStripeColorA() const { return maStripeColorA; }
void setStripeColorA(Color aNew= Color(COL_BLACK));
// stripe support ColB
Color getStripeColorB() const { return maStripeColorB; }
void setStripeColorB(Color aNew = Color(COL_WHITE));
// stripe support StripeLengthPixel
sal_uInt32 getStripeLengthPixel() const { return mnStripeLengthPixel; }
void setStripeLengthPixel(sal_uInt32 nNew = 5L);
// access to maDrawinglayerOpt
const SvtOptionsDrawinglayer& getDrawinglayerOpt() const { return maDrawinglayerOpt; }
};
} // end of namespace overlay
} // end of namespace sdr
//////////////////////////////////////////////////////////////////////////////
#endif //_SDR_OVERLAY_OVERLAYMANAGER_HXX
// eof
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