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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* 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.
*
************************************************************************/
#include <svx/sdr/overlay/overlayobjectlist.hxx>
#include <svx/sdr/overlay/overlaymanager.hxx>
#include <tools/debug.hxx>
#include <vcl/outdev.hxx>
#include <basegfx/matrix/b2dhommatrix.hxx>
// for SOLARIS compiler include of algorithm part of _STL is necesary to
// get access to basic algos like ::std::find
#include <algorithm>
#include <drawinglayer/processor2d/hittestprocessor2d.hxx>
//////////////////////////////////////////////////////////////////////////////
namespace sdr
{
namespace overlay
{
OverlayObjectList::~OverlayObjectList()
{
clear();
}
void OverlayObjectList::clear()
{
OverlayObjectVector::iterator aStart(maVector.begin());
for(; aStart != maVector.end(); aStart++)
{
::sdr::overlay::OverlayObject* pCandidate = *aStart;
if(pCandidate->getOverlayManager())
{
pCandidate->getOverlayManager()->remove(*pCandidate);
}
delete pCandidate;
}
maVector.clear();
}
void OverlayObjectList::remove(OverlayObject& rOverlayObject)
{
const OverlayObjectVector::iterator aFindResult = ::std::find(maVector.begin(), maVector.end(), &rOverlayObject);
const bool bFound(aFindResult != maVector.end());
OSL_ENSURE(bFound, "Could not find given object in list (!)");
if(bFound)
{
maVector.erase(aFindResult);
}
}
bool OverlayObjectList::isHitLogic(const basegfx::B2DPoint& rLogicPosition, double fLogicTolerance) const
{
if(!maVector.empty())
{
OverlayObjectVector::const_iterator aStart(maVector.begin());
sdr::overlay::OverlayObject* pFirst = *aStart;
OSL_ENSURE(pFirst, "Corrupt OverlayObjectList (!)");
OverlayManager* pManager = pFirst->getOverlayManager();
if(pManager)
{
if(0.0 == fLogicTolerance)
{
const Size aSizeLogic(pManager->getOutputDevice().PixelToLogic(
Size(DEFAULT_VALUE_FOR_HITTEST_PIXEL, DEFAULT_VALUE_FOR_HITTEST_PIXEL)));
fLogicTolerance = aSizeLogic.Width();
}
const drawinglayer::geometry::ViewInformation2D aViewInformation2D(pManager->getCurrentViewInformation2D());
drawinglayer::processor2d::HitTestProcessor2D aHitTestProcessor2D(
aViewInformation2D,
rLogicPosition,
fLogicTolerance,
false);
for(; aStart != maVector.end(); aStart++)
{
sdr::overlay::OverlayObject* pCandidate = *aStart;
OSL_ENSURE(pCandidate, "Corrupt OverlayObjectList (!)");
if(pCandidate->isHittable())
{
const drawinglayer::primitive2d::Primitive2DSequence& rSequence = pCandidate->getOverlayObjectPrimitive2DSequence();
if(rSequence.hasElements())
{
aHitTestProcessor2D.process(rSequence);
if(aHitTestProcessor2D.getHit())
{
return true;
}
}
}
}
}
}
return false;
}
bool OverlayObjectList::isHitPixel(const Point& rDiscretePosition, sal_uInt32 nDiscreteTolerance) const
{
if(!maVector.empty())
{
OverlayObjectVector::const_iterator aStart(maVector.begin());
sdr::overlay::OverlayObject* pCandidate = *aStart;
OverlayManager* pManager = pCandidate->getOverlayManager();
if(pManager)
{
const Point aPosLogic(pManager->getOutputDevice().PixelToLogic(rDiscretePosition));
const basegfx::B2DPoint aPosition(aPosLogic.X(), aPosLogic.Y());
if(nDiscreteTolerance)
{
const Size aSizeLogic(pManager->getOutputDevice().PixelToLogic(Size(nDiscreteTolerance, nDiscreteTolerance)));
return isHitLogic(aPosition, (double)aSizeLogic.Width());
}
else
{
return isHitLogic(aPosition);
}
}
}
return false;
}
basegfx::B2DRange OverlayObjectList::getBaseRange() const
{
basegfx::B2DRange aRetval;
if(!maVector.empty())
{
OverlayObjectVector::const_iterator aStart(maVector.begin());
for(; aStart != maVector.end(); aStart++)
{
::sdr::overlay::OverlayObject* pCandidate = *aStart;
aRetval.expand(pCandidate->getBaseRange());
}
}
return aRetval;
}
} // end of namespace overlay
} // end of namespace sdr
//////////////////////////////////////////////////////////////////////////////
// eof
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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