xref: /aoo42x/main/svx/source/sdr/contact/viewobjectcontactofmasterpagedescriptor.cxx (revision f6e50924)

/**************************************************************
 *
 * 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/viewobjectcontactofmasterpagedescriptor.hxx>
#include <svx/sdr/contact/viewcontactofmasterpagedescriptor.hxx>
#include <svx/sdr/contact/displayinfo.hxx>
#include <svx/sdr/contact/objectcontact.hxx>
#include <svx/svdpagv.hxx>
#include <svx/svdview.hxx>
#include <svx/svdpage.hxx>
#include <drawinglayer/primitive2d/maskprimitive2d.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>
#include <basegfx/polygon/b2dpolygon.hxx>

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

namespace sdr
{
	namespace contact
	{
		ViewObjectContactOfMasterPageDescriptor::ViewObjectContactOfMasterPageDescriptor(ObjectContact& rObjectContact, ViewContact& rViewContact)
		:	ViewObjectContact(rObjectContact, rViewContact)
		{
		}

		ViewObjectContactOfMasterPageDescriptor::~ViewObjectContactOfMasterPageDescriptor()
		{
		}

		sdr::MasterPageDescriptor& ViewObjectContactOfMasterPageDescriptor::GetMasterPageDescriptor() const
		{
			return static_cast< ViewContactOfMasterPageDescriptor& >(GetViewContact()).GetMasterPageDescriptor();
		}

		bool ViewObjectContactOfMasterPageDescriptor::isPrimitiveVisible(const DisplayInfo& rDisplayInfo) const
		{
			if(rDisplayInfo.GetControlLayerProcessingActive())
			{
				return false;
			}

			if(!rDisplayInfo.GetPageProcessingActive())
			{
				return false;
			}

			return true;
		}

		drawinglayer::primitive2d::Primitive2DSequence ViewObjectContactOfMasterPageDescriptor::getPrimitive2DSequenceHierarchy(DisplayInfo& rDisplayInfo) const
		{
			drawinglayer::primitive2d::Primitive2DSequence xRetval;
			drawinglayer::primitive2d::Primitive2DSequence xMasterPageSequence;
			const sdr::MasterPageDescriptor& rDescriptor = GetMasterPageDescriptor();

			// used range (retval) is fixed here, it's the MasterPage fill range
			const SdrPage& rOwnerPage = rDescriptor.GetOwnerPage();
			const basegfx::B2DRange aPageFillRange(
				rOwnerPage.GetLftBorder(), rOwnerPage.GetUppBorder(),
				rOwnerPage.GetWdt() - rOwnerPage.GetRgtBorder(), rOwnerPage.GetHgt() - rOwnerPage.GetLwrBorder());

			// Modify DisplayInfo for MasterPageContent collection; remember original layers and
			// set combined LayerSet; set MasterPagePaint flag
			const SetOfByte aRememberedLayers(rDisplayInfo.GetProcessLayers());
			SetOfByte aPreprocessedLayers(aRememberedLayers);
			aPreprocessedLayers &= rDescriptor.GetVisibleLayers();
			rDisplayInfo.SetProcessLayers(aPreprocessedLayers);
			rDisplayInfo.SetSubContentActive(true);

            // check layer visibility (traditionally was member of layer 1)
			if(aPreprocessedLayers.IsSet(1))
            {
				// hide PageBackground for special DrawModes; historical reasons
				if(!GetObjectContact().isDrawModeGray() && !GetObjectContact().isDrawModeHighContrast())
                {
					// if visible, create the default background primitive sequence
					xRetval = static_cast< ViewContactOfMasterPageDescriptor& >(GetViewContact()).getViewIndependentPrimitive2DSequence();
                }
            }

			// hide MasterPage content? Test self here for hierarchy
			if(isPrimitiveVisible(rDisplayInfo))
			{
				// get the VOC of the Master-SdrPage and get it's object hierarchy
				ViewContact& rViewContactOfMasterPage(rDescriptor.GetUsedPage().GetViewContact());
				ViewObjectContact& rVOCOfMasterPage(rViewContactOfMasterPage.GetViewObjectContact(GetObjectContact()));

				xMasterPageSequence = rVOCOfMasterPage.getPrimitive2DSequenceHierarchy(rDisplayInfo);
			}

			// reset DisplayInfo changes for MasterPage paint
			rDisplayInfo.SetProcessLayers(aRememberedLayers);
			rDisplayInfo.SetSubContentActive(false);

			if(xMasterPageSequence.hasElements())
			{
				// get range of MasterPage sub hierarchy
				const drawinglayer::geometry::ViewInformation2D& rViewInformation2D(GetObjectContact().getViewInformation2D());
				const basegfx::B2DRange aSubHierarchyRange(drawinglayer::primitive2d::getB2DRangeFromPrimitive2DSequence(xMasterPageSequence, rViewInformation2D));

				if(aPageFillRange.isInside(aSubHierarchyRange))
				{
					// completely inside, just render MasterPage content. Add to target
					drawinglayer::primitive2d::appendPrimitive2DSequenceToPrimitive2DSequence(xRetval, xMasterPageSequence);
				}
				else if(aPageFillRange.overlaps(aSubHierarchyRange))
				{
					// overlapping, compute common area
					basegfx::B2DRange aCommonArea(aPageFillRange);
					aCommonArea.intersect(aSubHierarchyRange);

					// need to create a clip primitive, add clipped list to target
					const drawinglayer::primitive2d::Primitive2DReference xReference(new drawinglayer::primitive2d::MaskPrimitive2D(
						basegfx::B2DPolyPolygon(basegfx::tools::createPolygonFromRect(aCommonArea)), xMasterPageSequence));
					drawinglayer::primitive2d::appendPrimitive2DReferenceToPrimitive2DSequence(xRetval, xReference);
				}
			}

			// return grouped primitive
			return xRetval;
		}
	} // end of namespace contact
} // end of namespace sdr

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