/**************************************************************
 * 
 * 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());
					}

					// upate 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