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path: root/chart2/source/controller/main/DragMethod_RotateDiagram.cxx
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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 "DragMethod_RotateDiagram.hxx"
#include <DrawViewWrapper.hxx>

#include <SelectionHelper.hxx>
#include <ChartModelHelper.hxx>
#include <ChartModel.hxx>
#include <DiagramHelper.hxx>
#include <Diagram.hxx>
#include <ChartType.hxx>
#include <ChartTypeHelper.hxx>
#include <ThreeDHelper.hxx>
#include <defines.hxx>
#include <svx/sdr/overlay/overlaypolypolygon.hxx>

#include <svx/scene3d.hxx>
#include <basegfx/matrix/b3dhommatrix.hxx>
#include <basegfx/polygon/b2dpolypolygontools.hxx>
#include <svx/sdr/contact/viewcontactofe3dscene.hxx>
#include <drawinglayer/geometry/viewinformation3d.hxx>

namespace chart
{

using namespace ::com::sun::star;
using ::com::sun::star::uno::Reference;

DragMethod_RotateDiagram::DragMethod_RotateDiagram( DrawViewWrapper& rDrawViewWrapper
        , const OUString& rObjectCID
        , const rtl::Reference<::chart::ChartModel>& xChartModel
        , RotationDirection eRotationDirection )
    : DragMethod_Base( rDrawViewWrapper, rObjectCID, xChartModel, ActionDescriptionProvider::ActionType::Rotate )
    , m_pScene(nullptr)
    , m_aReferenceRect(100,100,100,100)
    , m_aStartPos(0,0)
    , m_fInitialXAngleRad(0.0)
    , m_fInitialYAngleRad(0.0)
    , m_fInitialZAngleRad(0.0)
    , m_fAdditionalXAngleRad(0.0)
    , m_fAdditionalYAngleRad(0.0)
    , m_fAdditionalZAngleRad(0.0)
    , m_nInitialHorizontalAngleDegree(0)
    , m_nInitialVerticalAngleDegree(0)
    , m_nAdditionalHorizontalAngleDegree(0)
    , m_nAdditionalVerticalAngleDegree(0)
    , m_eRotationDirection(eRotationDirection)
    , m_bRightAngledAxes(false)
{
    m_pScene = SelectionHelper::getSceneToRotate( rDrawViewWrapper.getNamedSdrObject( rObjectCID ) );
    SdrObject* pObj = rDrawViewWrapper.getSelectedObject();
    if(!(pObj && m_pScene))
        return;

    m_aReferenceRect = pObj->GetLogicRect();

    m_aWireframePolyPolygon = m_pScene->CreateWireframe();

    rtl::Reference< Diagram > xDiagram = ChartModelHelper::findDiagram(getChartModel());
    if( !xDiagram.is() )
        return;

    ThreeDHelper::getRotationFromDiagram( xDiagram
        , m_nInitialHorizontalAngleDegree, m_nInitialVerticalAngleDegree );

    ThreeDHelper::getRotationAngleFromDiagram( xDiagram
        , m_fInitialXAngleRad, m_fInitialYAngleRad, m_fInitialZAngleRad );

    if( ChartTypeHelper::isSupportingRightAngledAxes(
        DiagramHelper::getChartTypeByIndex( xDiagram, 0 ) ) )
        xDiagram->getPropertyValue("RightAngledAxes") >>= m_bRightAngledAxes;
    if(m_bRightAngledAxes)
    {
        if( m_eRotationDirection==ROTATIONDIRECTION_Z )
            m_eRotationDirection=ROTATIONDIRECTION_FREE;
        ThreeDHelper::adaptRadAnglesForRightAngledAxes( m_fInitialXAngleRad, m_fInitialYAngleRad );
    }
}
DragMethod_RotateDiagram::~DragMethod_RotateDiagram()
{
}
OUString DragMethod_RotateDiagram::GetSdrDragComment() const
{
    return OUString();
}
bool DragMethod_RotateDiagram::BeginSdrDrag()
{
    m_aStartPos = DragStat().GetStart();
    Show();
    return true;
}
void DragMethod_RotateDiagram::MoveSdrDrag(const Point& rPnt)
{
    if( !DragStat().CheckMinMoved(rPnt) )
        return;

    Hide();

    //calculate new angle
    double fX = M_PI_2 * static_cast<double>(rPnt.Y() - m_aStartPos.Y())
        / (m_aReferenceRect.GetHeight() > 0 ? static_cast<double>(m_aReferenceRect.GetHeight()) : 1.0);
    double fY = M_PI * static_cast<double>(rPnt.X() - m_aStartPos.X())
        / (m_aReferenceRect.GetWidth() > 0 ? static_cast<double>(m_aReferenceRect.GetWidth()) : 1.0);

    if( m_eRotationDirection != ROTATIONDIRECTION_Y )
        m_fAdditionalYAngleRad = fY;
    else
        m_fAdditionalYAngleRad = 0.0;
    if( m_eRotationDirection != ROTATIONDIRECTION_X )
        m_fAdditionalXAngleRad = fX;
    else
        m_fAdditionalXAngleRad = 0.0;
    m_fAdditionalZAngleRad = 0.0;

    if( m_eRotationDirection == ROTATIONDIRECTION_Z )
    {
        m_fAdditionalXAngleRad = 0.0;
        m_fAdditionalYAngleRad = 0.0;

        double fCx = m_aReferenceRect.Center().X();
        double fCy = m_aReferenceRect.Center().Y();

        m_fAdditionalZAngleRad = atan((fCx - m_aStartPos.X())/(m_aStartPos.Y()-fCy))
            + atan((fCx - rPnt.X())/(fCy-rPnt.Y()));
    }

    m_nAdditionalHorizontalAngleDegree = static_cast<sal_Int32>(basegfx::rad2deg(m_fAdditionalXAngleRad));
    m_nAdditionalVerticalAngleDegree = -static_cast<sal_Int32>(basegfx::rad2deg(m_fAdditionalYAngleRad));

    DragStat().NextMove(rPnt);
    Show();
}
bool DragMethod_RotateDiagram::EndSdrDrag(bool /*bCopy*/)
{
    Hide();

    if( m_bRightAngledAxes || m_eRotationDirection==ROTATIONDIRECTION_Z )
    {
        double fResultX = m_fInitialXAngleRad + m_fAdditionalXAngleRad;
        double fResultY = m_fInitialYAngleRad + m_fAdditionalYAngleRad;
        double fResultZ = m_fInitialZAngleRad + m_fAdditionalZAngleRad;

        if(m_bRightAngledAxes)
            ThreeDHelper::adaptRadAnglesForRightAngledAxes( fResultX, fResultY );

        ThreeDHelper::setRotationAngleToDiagram( ChartModelHelper::findDiagram( getChartModel() )
            , fResultX, fResultY, fResultZ );
    }
    else
    {
        ThreeDHelper::setRotationToDiagram( ChartModelHelper::findDiagram( getChartModel() )
            , m_nInitialHorizontalAngleDegree+m_nAdditionalHorizontalAngleDegree, m_nInitialVerticalAngleDegree+m_nAdditionalVerticalAngleDegree );
    }

    return true;
}
void DragMethod_RotateDiagram::CreateOverlayGeometry(
    sdr::overlay::OverlayManager& rOverlayManager,
    const sdr::contact::ObjectContact& rObjectContact)
{
    ::basegfx::B3DHomMatrix aCurrentTransform;
    aCurrentTransform.translate( -FIXED_SIZE_FOR_3D_CHART_VOLUME/2.0,
                                 -FIXED_SIZE_FOR_3D_CHART_VOLUME/2.0,
                                 -FIXED_SIZE_FOR_3D_CHART_VOLUME/2.0 );

    double fResultX = m_fInitialXAngleRad + m_fAdditionalXAngleRad;
    double fResultY = m_fInitialYAngleRad + m_fAdditionalYAngleRad;
    double fResultZ = m_fInitialZAngleRad + m_fAdditionalZAngleRad;

    if(!m_bRightAngledAxes)
    {
        if( m_eRotationDirection!=ROTATIONDIRECTION_Z )
        {
            ThreeDHelper::convertElevationRotationDegToXYZAngleRad(
                m_nInitialHorizontalAngleDegree+m_nAdditionalHorizontalAngleDegree, -(m_nInitialVerticalAngleDegree+m_nAdditionalVerticalAngleDegree)
                , fResultX, fResultY, fResultZ );
        }
        aCurrentTransform.rotate( fResultX, fResultY, fResultZ );
    }
    else
    {
        ThreeDHelper::adaptRadAnglesForRightAngledAxes( fResultX, fResultY );
        aCurrentTransform.shearXY(fResultY,-fResultX);
    }

    if(!(m_aWireframePolyPolygon.count() && m_pScene))
        return;

    const sdr::contact::ViewContactOfE3dScene& rVCScene = static_cast< sdr::contact::ViewContactOfE3dScene& >(m_pScene->GetViewContact());
    const drawinglayer::geometry::ViewInformation3D& aViewInfo3D(rVCScene.getViewInformation3D());
    const basegfx::B3DHomMatrix aWorldToView(aViewInfo3D.getDeviceToView() * aViewInfo3D.getProjection() * aViewInfo3D.getOrientation());
    const basegfx::B3DHomMatrix aTransform(aWorldToView * aCurrentTransform);

    // transform to relative scene coordinates
    basegfx::B2DPolyPolygon aPolyPolygon(basegfx::utils::createB2DPolyPolygonFromB3DPolyPolygon(m_aWireframePolyPolygon, aTransform));

    // transform to 2D view coordinates
    aPolyPolygon.transform(rVCScene.getObjectTransformation());

    std::unique_ptr<sdr::overlay::OverlayPolyPolygonStripedAndFilled> pNew(
        new sdr::overlay::OverlayPolyPolygonStripedAndFilled(
            aPolyPolygon));

    insertNewlyCreatedOverlayObjectForSdrDragMethod(
        std::move(pNew),
        rObjectContact,
        rOverlayManager);
}
} //namespace chart

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */