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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 .
*/
#include <svx/sdr/overlay/overlayobjectlist.hxx>
#include <svx/sdr/overlay/overlaymanager.hxx>
#include <vcl/outdev.hxx>
#include <tools/gen.hxx>
#include <drawinglayer/processor2d/hittestprocessor2d.hxx>
#include <comphelper/lok.hxx>
#define DEFAULT_VALUE_FOR_HITTEST_PIXEL (2)
#define DEFAULT_VALUE_FOR_HITTEST_TWIP (30)
namespace sdr::overlay
{
OverlayObjectList::~OverlayObjectList()
{
clear();
}
void OverlayObjectList::clear()
{
for(auto & pCandidate : maVector)
{
if(pCandidate->getOverlayManager())
pCandidate->getOverlayManager()->remove(*pCandidate);
}
maVector.clear();
}
void OverlayObjectList::append(std::unique_ptr<OverlayObject> pOverlayObject)
{
assert(pOverlayObject && "tried to add invalid OverlayObject to OverlayObjectList");
maVector.push_back(std::move(pOverlayObject));
}
bool OverlayObjectList::isHitLogic(const basegfx::B2DPoint& rLogicPosition, double fLogicTolerance) const
{
if(!maVector.empty())
{
OverlayObject* pFirst = maVector.front().get();
OverlayManager* pManager = pFirst->getOverlayManager();
if(pManager)
{
if(0.0 == fLogicTolerance)
{
Size aSizeLogic(pManager->getOutputDevice().PixelToLogic(
Size(DEFAULT_VALUE_FOR_HITTEST_PIXEL, DEFAULT_VALUE_FOR_HITTEST_PIXEL)));
// When tiled rendering, we always work in logic units, use the non-pixel default.
if (comphelper::LibreOfficeKit::isActive())
{
aSizeLogic = Size(DEFAULT_VALUE_FOR_HITTEST_TWIP, DEFAULT_VALUE_FOR_HITTEST_TWIP);
if (pManager->getOutputDevice().GetMapMode().GetMapUnit() == MapUnit::Map100thMM)
aSizeLogic = o3tl::convert(aSizeLogic, o3tl::Length::twip, o3tl::Length::mm100);
}
fLogicTolerance = aSizeLogic.Width();
}
const drawinglayer::geometry::ViewInformation2D& aViewInformation2D(pManager->getCurrentViewInformation2D());
drawinglayer::processor2d::HitTestProcessor2D aHitTestProcessor2D(
aViewInformation2D,
rLogicPosition,
{fLogicTolerance, fLogicTolerance},
false);
for(auto & pCandidate : maVector)
{
if(pCandidate->isHittable())
{
const drawinglayer::primitive2d::Primitive2DContainer& rSequence = pCandidate->getOverlayObjectPrimitive2DSequence();
if(!rSequence.empty())
{
aHitTestProcessor2D.process(rSequence);
if(aHitTestProcessor2D.getHit())
{
return true;
}
}
}
}
}
}
return false;
}
bool OverlayObjectList::isHitPixel(const Point& rDiscretePosition) const
{
constexpr sal_uInt32 nDiscreteTolerance = DEFAULT_VALUE_FOR_HITTEST_PIXEL;
if(!maVector.empty())
{
OverlayObject* pCandidate = maVector.front().get();
OverlayManager* pManager = pCandidate->getOverlayManager();
if(pManager)
{
const Point aPosLogic(pManager->getOutputDevice().PixelToLogic(rDiscretePosition));
const basegfx::B2DPoint aPosition(aPosLogic.X(), aPosLogic.Y());
const Size aSizeLogic(pManager->getOutputDevice().PixelToLogic(Size(nDiscreteTolerance, nDiscreteTolerance)));
return isHitLogic(aPosition, static_cast<double>(aSizeLogic.Width()));
}
}
return false;
}
basegfx::B2DRange OverlayObjectList::getBaseRange() const
{
basegfx::B2DRange aRetval;
for(auto & pCandidate : maVector)
{
aRetval.expand(pCandidate->getBaseRange());
}
return aRetval;
}
} // end of namespace
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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