xref: /trunk/main/svx/source/sdr/contact/objectcontactofobjlistpainter.cxx (revision cf6516809c57e1bb0a940545cca99cdad54d4ce2)

/**************************************************************
 *
 * 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
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 *************************************************************/



// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_svx.hxx"
#include <svx/sdr/contact/objectcontactofobjlistpainter.hxx>
#include <svx/sdr/contact/displayinfo.hxx>
#include <svx/sdr/contact/viewobjectcontact.hxx>
#include <svx/svdpage.hxx>
#include <svx/svdobj.hxx>
#include <svx/sdr/contact/viewcontact.hxx>
#include <svx/svdmodel.hxx>
#include <basegfx/matrix/b2dhommatrix.hxx>
#include <drawinglayer/processor2d/processor2dtools.hxx>
#include <svx/unoapi.hxx>

//////////////////////////////////////////////////////////////////////////////

namespace sdr
{
    namespace contact
    {
        ObjectContactPainter::ObjectContactPainter()
        {
        }

        // The destructor.
        ObjectContactPainter::~ObjectContactPainter()
        {
        }
    } // end of namespace contact
} // end of namespace sdr

//////////////////////////////////////////////////////////////////////////////

namespace sdr
{
    namespace contact
    {
        sal_uInt32 ObjectContactOfObjListPainter::GetPaintObjectCount() const
        {
            return maStartObjects.size();
        }

        ViewContact& ObjectContactOfObjListPainter::GetPaintObjectViewContact(sal_uInt32 nIndex) const
        {
            const SdrObject* pObj = maStartObjects[nIndex];
            DBG_ASSERT(pObj, "ObjectContactOfObjListPainter: Corrupt SdrObjectVector (!)");
            return pObj->GetViewContact();
        }

        ObjectContactOfObjListPainter::ObjectContactOfObjListPainter(
            OutputDevice& rTargetDevice,
            const SdrObjectVector& rObjects,
            const SdrPage* pProcessedPage)
        :   ObjectContactPainter(),
            mrTargetOutputDevice(rTargetDevice),
            maStartObjects(rObjects),
            mpProcessedPage(pProcessedPage)
        {
        }

        ObjectContactOfObjListPainter::~ObjectContactOfObjListPainter()
        {
        }

        // Process the whole displaying
        void ObjectContactOfObjListPainter::ProcessDisplay(DisplayInfo& rDisplayInfo)
        {
            const sal_uInt32 nCount(GetPaintObjectCount());

            if(nCount)
            {
                OutputDevice* pTargetDevice = TryToGetOutputDevice();

                if(pTargetDevice)
                {
                    // update current ViewInformation2D at the ObjectContact
                    const GDIMetaFile* pMetaFile = pTargetDevice->GetConnectMetaFile();
                    const bool bOutputToRecordingMetaFile(pMetaFile && pMetaFile->IsRecord() && !pMetaFile->IsPause());
                    basegfx::B2DRange aViewRange;

                    // create ViewRange
                    if(!bOutputToRecordingMetaFile)
                    {
                        // use visible pixels, but transform to world coordinates
                        const Size aOutputSizePixel(pTargetDevice->GetOutputSizePixel());
                        aViewRange = ::basegfx::B2DRange(0.0, 0.0, aOutputSizePixel.getWidth(), aOutputSizePixel.getHeight());
                        aViewRange.transform(pTargetDevice->GetInverseViewTransformation());
                    }

                    // update local ViewInformation2D
                    const drawinglayer::geometry::ViewInformation2D aNewViewInformation2D(
                        basegfx::B2DHomMatrix(),
                        pTargetDevice->GetViewTransformation(),
                        aViewRange,
                        GetXDrawPageForSdrPage(const_cast< SdrPage* >(mpProcessedPage)),
                        0.0,
                        com::sun::star::uno::Sequence<com::sun::star::beans::PropertyValue>());
                    updateViewInformation2D(aNewViewInformation2D);

                    // collect primitive data in a sequence; this will already use the updated ViewInformation2D
                    drawinglayer::primitive2d::Primitive2DSequence xPrimitiveSequence;

                    for(sal_uInt32 a(0L); a < nCount; a++)
                    {
                        const ViewObjectContact& rViewObjectContact = GetPaintObjectViewContact(a).GetViewObjectContact(*this);

                        drawinglayer::primitive2d::appendPrimitive2DSequenceToPrimitive2DSequence(xPrimitiveSequence,
                            rViewObjectContact.getPrimitive2DSequenceHierarchy(rDisplayInfo));
                    }

                    // if there is something to show, use a vclProcessor to render it
                    if(xPrimitiveSequence.hasElements())
                    {
                        drawinglayer::processor2d::BaseProcessor2D* pProcessor2D = drawinglayer::processor2d::createProcessor2DFromOutputDevice(
                            *pTargetDevice,
                            getViewInformation2D());

                        if(pProcessor2D)
                        {
                            pProcessor2D->process(xPrimitiveSequence);
                            delete pProcessor2D;
                        }
                    }
                }
            }
        }

        // VirtualDevice?
        bool ObjectContactOfObjListPainter::isOutputToVirtualDevice() const
        {
            return (OUTDEV_VIRDEV == mrTargetOutputDevice.GetOutDevType());
        }

        // recording MetaFile?
        bool ObjectContactOfObjListPainter::isOutputToRecordingMetaFile() const
        {
            GDIMetaFile* pMetaFile = mrTargetOutputDevice.GetConnectMetaFile();
            return (pMetaFile && pMetaFile->IsRecord() && !pMetaFile->IsPause());
        }

        // pdf export?
        bool ObjectContactOfObjListPainter::isOutputToPDFFile() const
        {
            return (0 != mrTargetOutputDevice.GetPDFWriter());
        }

        OutputDevice* ObjectContactOfObjListPainter::TryToGetOutputDevice() const
        {
            return &mrTargetOutputDevice;
        }
    } // end of namespace contact
} // end of namespace sdr

//////////////////////////////////////////////////////////////////////////////

namespace sdr
{
    namespace contact
    {
        sal_uInt32 ObjectContactOfPagePainter::GetPaintObjectCount() const
        {
            return (GetStartPage() ? 1L : 0L);
        }

        ViewContact& ObjectContactOfPagePainter::GetPaintObjectViewContact(sal_uInt32 /*nIndex*/) const
        {
            DBG_ASSERT(GetStartPage(), "ObjectContactOfPagePainter::GetPaintObjectViewContact: no StartPage set (!)");
            return GetStartPage()->GetViewContact();
        }

        ObjectContactOfPagePainter::ObjectContactOfPagePainter(
            const SdrPage* pPage,
            ObjectContact& rOriginalObjectContact)
        :   ObjectContactPainter(),
            mrOriginalObjectContact(rOriginalObjectContact),
            mxStartPage(const_cast< SdrPage* >(pPage)) // no SdrPageWeakRef available to hold a const SdrPage*
        {
        }

        ObjectContactOfPagePainter::~ObjectContactOfPagePainter()
        {
        }

        void ObjectContactOfPagePainter::SetStartPage(const SdrPage* pPage)
        {
            if(pPage != GetStartPage())
            {
                mxStartPage.reset(const_cast< SdrPage* >(pPage)); // no SdrPageWeakRef available to hold a const SdrPage*
            }
        }

        OutputDevice* ObjectContactOfPagePainter::TryToGetOutputDevice() const
        {
            return mrOriginalObjectContact.TryToGetOutputDevice();
        }
    } // end of namespace contact
} // end of namespace sdr

//////////////////////////////////////////////////////////////////////////////
// eof