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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.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_svx.hxx"
#include <svx/sdr/contact/viewobjectcontactofgroup.hxx>
#include <svx/sdr/contact/displayinfo.hxx>
#include <svx/sdr/contact/objectcontact.hxx>
#include <basegfx/numeric/ftools.hxx>
#include <drawinglayer/primitive2d/groupprimitive2d.hxx>
#include <basegfx/tools/canvastools.hxx>
#include <svx/sdr/contact/viewcontact.hxx>
//////////////////////////////////////////////////////////////////////////////
using namespace com::sun::star;
//////////////////////////////////////////////////////////////////////////////
namespace sdr
{
namespace contact
{
ViewObjectContactOfGroup::ViewObjectContactOfGroup(ObjectContact& rObjectContact, ViewContact& rViewContact)
: ViewObjectContactOfSdrObj(rObjectContact, rViewContact)
{
}
ViewObjectContactOfGroup::~ViewObjectContactOfGroup()
{
}
bool ViewObjectContactOfGroup::isPrimitiveVisible(const DisplayInfo& rDisplayInfo) const
{
const bool bHasChildren(0 != GetViewContact().GetObjectCount());
if(!bHasChildren && (GetObjectContact().isOutputToPrinter() || GetObjectContact().isOutputToRecordingMetaFile()))
{
// empty group uses fallback gray empty frame display. Do neither print nor PDF export it
return false;
}
// call parent
return ViewObjectContactOfSdrObj::isPrimitiveVisible(rDisplayInfo);
}
drawinglayer::primitive2d::Primitive2DSequence ViewObjectContactOfGroup::getPrimitive2DSequenceHierarchy(DisplayInfo& rDisplayInfo) const
{
const sal_uInt32 nSubHierarchyCount(GetViewContact().GetObjectCount());
if(nSubHierarchyCount)
{
const sal_Bool bDoGhostedDisplaying(
GetObjectContact().DoVisualizeEnteredGroup()
&& !GetObjectContact().isOutputToPrinter()
&& GetObjectContact().getActiveViewContact() == &GetViewContact());
if(bDoGhostedDisplaying)
{
rDisplayInfo.ClearGhostedDrawMode();
}
// create object hierarchy
drawinglayer::primitive2d::Primitive2DSequence xRetval(getPrimitive2DSequenceSubHierarchy(rDisplayInfo));
if(xRetval.hasElements())
{
// get ranges
const drawinglayer::geometry::ViewInformation2D& rViewInformation2D(GetObjectContact().getViewInformation2D());
const ::basegfx::B2DRange aObjectRange(drawinglayer::primitive2d::getB2DRangeFromPrimitive2DSequence(xRetval, rViewInformation2D));
const basegfx::B2DRange aViewRange(rViewInformation2D.getViewport());
// check geometrical visibility
if(!aViewRange.isEmpty() && !aViewRange.overlaps(aObjectRange))
{
// not visible, release
xRetval.realloc(0);
}
}
if(bDoGhostedDisplaying)
{
rDisplayInfo.SetGhostedDrawMode();
}
return xRetval;
}
else
{
// draw replacement object for group. This will use ViewContactOfGroup::createViewIndependentPrimitive2DSequence
// which creates the replacement primitives for an empty group
return ViewObjectContactOfSdrObj::getPrimitive2DSequenceHierarchy(rDisplayInfo);
}
}
} // end of namespace contact
} // end of namespace sdr
//////////////////////////////////////////////////////////////////////////////
// eof
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