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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/sdrhittesthelper.hxx>
#include <svx/obj3d.hxx>
#include <svx/helperhittest3d.hxx>
#include <svx/svdpage.hxx>
#include <svx/sdrpagewindow.hxx>
#include <svx/sdr/contact/viewobjectcontact.hxx>
#include <svx/sdr/contact/displayinfo.hxx>
#include <svx/sdr/contact/objectcontact.hxx>
#include <drawinglayer/processor2d/hittestprocessor2d.hxx>
#include <svx/svdpagv.hxx>
#include <svx/sdr/contact/viewcontact.hxx>
// #i101872# new Object HitTest as View-tooling
SdrObject* SdrObjectPrimitiveHit(
const SdrObject& rObject,
const Point& rPnt,
sal_uInt16 nTol,
const SdrPageView& rSdrPageView,
const SdrLayerIDSet* pVisiLayer,
bool bTextOnly,
drawinglayer::primitive2d::Primitive2DContainer* pHitContainer)
{
SdrObject* pResult = nullptr;
if(rObject.GetSubList() && rObject.GetSubList()->GetObjCount())
{
// group or scene with content. Single 3D objects also have a
// true == rObject.GetSubList(), but no content
pResult = SdrObjListPrimitiveHit(*rObject.GetSubList(), rPnt, nTol, rSdrPageView, pVisiLayer, bTextOnly);
}
else
{
if( rObject.IsVisible() && (!pVisiLayer || pVisiLayer->IsSet(rObject.GetLayer())))
{
// single object, 3d object, empty scene or empty group. Check if
// it's a single 3D object
const E3dCompoundObject* pE3dCompoundObject = dynamic_cast< const E3dCompoundObject* >(&rObject);
if(pE3dCompoundObject)
{
const basegfx::B2DPoint aHitPosition(rPnt.X(), rPnt.Y());
if(checkHitSingle3DObject(aHitPosition, *pE3dCompoundObject))
{
pResult = const_cast< E3dCompoundObject* >(pE3dCompoundObject);
}
}
else
{
// not a single 3D object; Check in first PageWindow using primitives (only SC
// with split views uses multiple PageWindows nowadays)
if(rSdrPageView.PageWindowCount())
{
const double fLogicTolerance(nTol);
const basegfx::B2DPoint aHitPosition(rPnt.X(), rPnt.Y());
const sdr::contact::ViewObjectContact& rVOC = rObject.GetViewContact().GetViewObjectContact(
rSdrPageView.GetPageWindow(0)->GetObjectContact());
if(ViewObjectContactPrimitiveHit(rVOC, aHitPosition, fLogicTolerance, bTextOnly, pHitContainer))
{
pResult = const_cast< SdrObject* >(&rObject);
}
}
}
}
}
return pResult;
}
SdrObject* SdrObjListPrimitiveHit(
const SdrObjList& rList,
const Point& rPnt,
sal_uInt16 nTol,
const SdrPageView& rSdrPageView,
const SdrLayerIDSet* pVisiLayer,
bool bTextOnly)
{
size_t nObjNum(rList.GetObjCount());
SdrObject* pRetval = nullptr;
while(!pRetval && nObjNum > 0)
{
nObjNum--;
SdrObject* pObj = rList.GetObj(nObjNum);
pRetval = SdrObjectPrimitiveHit(*pObj, rPnt, nTol, rSdrPageView, pVisiLayer, bTextOnly);
}
return pRetval;
}
bool ViewObjectContactPrimitiveHit(
const sdr::contact::ViewObjectContact& rVOC,
const basegfx::B2DPoint& rHitPosition,
double fLogicHitTolerance,
bool bTextOnly,
drawinglayer::primitive2d::Primitive2DContainer* pHitContainer)
{
basegfx::B2DRange aObjectRange(rVOC.getObjectRange());
if(!aObjectRange.isEmpty())
{
// first do a rough B2DRange based HitTest; do not forget to
// include the HitTolerance if given
if(basegfx::fTools::more(fLogicHitTolerance, 0.0))
{
aObjectRange.grow(fLogicHitTolerance);
}
if(aObjectRange.isInside(rHitPosition))
{
// get primitive sequence
sdr::contact::DisplayInfo aDisplayInfo;
// have to make a copy of this container here, because it might be changed underneath us
const drawinglayer::primitive2d::Primitive2DContainer aSequence(rVOC.getPrimitive2DSequence(aDisplayInfo));
if(!aSequence.empty())
{
// create a HitTest processor
const drawinglayer::geometry::ViewInformation2D& rViewInformation2D = rVOC.GetObjectContact().getViewInformation2D();
drawinglayer::processor2d::HitTestProcessor2D aHitTestProcessor2D(
rViewInformation2D,
rHitPosition,
fLogicHitTolerance,
bTextOnly);
// ask for HitStack
aHitTestProcessor2D.collectHitStack(pHitContainer != nullptr);
// feed it with the primitives
aHitTestProcessor2D.process(aSequence);
// deliver result
if (aHitTestProcessor2D.getHit())
{
if (pHitContainer)
{
// fetch HitStack primitives if requested
*pHitContainer = aHitTestProcessor2D.getHitStack();
}
return true;
}
}
}
}
return false;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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