svx/source/sdr/contact/viewobjectcontactofmasterpagedescriptor.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20
  21 #include <sdr/contact/viewobjectcontactofmasterpagedescriptor.hxx>
  22 #include <sdr/contact/viewcontactofmasterpagedescriptor.hxx>
  23 #include <svx/sdr/contact/displayinfo.hxx>
  24 #include <svx/sdr/contact/objectcontact.hxx>
  25 #include <svx/svdpage.hxx>
  26 #include <svx/svdpagv.hxx>
  27 #include <svx/svdview.hxx>
  28 #include <drawinglayer/primitive2d/maskprimitive2d.hxx>
  29 #include <basegfx/polygon/b2dpolygontools.hxx>
  30 #include <basegfx/polygon/b2dpolygon.hxx>
  31
  32
  33 namespace sdr::contact
  34 {
  35         ViewObjectContactOfMasterPageDescriptor::ViewObjectContactOfMasterPageDescriptor(ObjectContact& rObjectContact, ViewContact& rViewContact)
  36         :   ViewObjectContact(rObjectContact, rViewContact)
  37         {
  38         }
  39
  40         ViewObjectContactOfMasterPageDescriptor::~ViewObjectContactOfMasterPageDescriptor()
  41         {
  42         }
  43
  44         bool ViewObjectContactOfMasterPageDescriptor::isPrimitiveVisible(const DisplayInfo& rDisplayInfo) const
  45         {
  46             if(rDisplayInfo.GetControlLayerProcessingActive())
  47             {
  48                 return false;
  49             }
  50
  51             // display mster page content?
  52             if (!GetObjectContact().isMasterPageActive())
  53             {
  54                 return false;
  55             }
  56
  57             return true;
  58         }
  59
  60         void ViewObjectContactOfMasterPageDescriptor::getPrimitive2DSequenceHierarchy(DisplayInfo& rDisplayInfo, drawinglayer::primitive2d::Primitive2DDecompositionVisitor& rVisitor) const
  61         {
  62             drawinglayer::primitive2d::Primitive2DContainer xMasterPageSequence;
  63             const sdr::MasterPageDescriptor& rDescriptor = static_cast< ViewContactOfMasterPageDescriptor& >(GetViewContact()).GetMasterPageDescriptor();
  64
  65             // used range (retval) is fixed here, it's the MasterPage fill range
  66             const SdrPage& rOwnerPage = rDescriptor.GetOwnerPage();
  67             const basegfx::B2DRange aInnerRange(
  68                 rOwnerPage.GetLeftBorder(), rOwnerPage.GetUpperBorder(),
  69                 rOwnerPage.GetWidth() - rOwnerPage.GetRightBorder(), rOwnerPage.GetHeight() - rOwnerPage.GetLowerBorder());
  70             const basegfx::B2DRange aOuterRange(
  71                 0, 0, rOwnerPage.GetWidth(), rOwnerPage.GetHeight());
  72             // ??? somehow only the master page's bit is used
  73             bool const isFullSize(rDescriptor.GetUsedPage().IsBackgroundFullSize());
  74             basegfx::B2DRange const& rPageFillRange(isFullSize ? aOuterRange : aInnerRange);
  75
  76             // Modify DisplayInfo for MasterPageContent collection; remember original layers and
  77             // set combined SdrLayerIDSet; set MasterPagePaint flag
  78             const SdrLayerIDSet aRememberedLayers(rDisplayInfo.GetProcessLayers());
  79             SdrLayerIDSet aPreprocessedLayers(aRememberedLayers);
  80             aPreprocessedLayers &= rDescriptor.GetVisibleLayers();
  81             rDisplayInfo.SetProcessLayers(aPreprocessedLayers);
  82             rDisplayInfo.SetSubContentActive(true);
  83             const SdrPageView* pSdrPageView = GetObjectContact().TryToGetSdrPageView();
  84             bool bHideBackground = pSdrPageView ? pSdrPageView->GetView().getHideBackground() : false;
  85             // check layer visibility (traditionally was member of layer 1)
  86             if(aPreprocessedLayers.IsSet(SdrLayerID(1)))
  87             {
  88                 // hide PageBackground for special DrawModes; historical reasons
  89                 if (!bHideBackground && !GetObjectContact().isDrawModeGray() && !GetObjectContact().isDrawModeHighContrast())
  90                 {
  91                     // if visible, create the default background primitive sequence
  92                     static_cast< ViewContactOfMasterPageDescriptor& >(GetViewContact()).getViewIndependentPrimitive2DContainer(rVisitor);
  93                 }
  94             }
  95
  96             // hide MasterPage content? Test self here for hierarchy
  97             if(isPrimitiveVisible(rDisplayInfo))
  98             {
  99                 // get the VOC of the Master-SdrPage and get its object hierarchy
 100                 ViewContact& rViewContactOfMasterPage(rDescriptor.GetUsedPage().GetViewContact());
 101                 ViewObjectContact& rVOCOfMasterPage(rViewContactOfMasterPage.GetViewObjectContact(GetObjectContact()));
 102
 103                 rVOCOfMasterPage.getPrimitive2DSequenceHierarchy(rDisplayInfo, xMasterPageSequence);
 104             }
 105
 106             // reset DisplayInfo changes for MasterPage paint
 107             rDisplayInfo.SetProcessLayers(aRememberedLayers);
 108             rDisplayInfo.SetSubContentActive(false);
 109
 110             if(!xMasterPageSequence.empty())
 111             {
 112                 // get range of MasterPage sub hierarchy
 113                 const drawinglayer::geometry::ViewInformation2D& rViewInformation2D(GetObjectContact().getViewInformation2D());
 114                 basegfx::B2DRange aSubHierarchyRange(xMasterPageSequence.getB2DRange(rViewInformation2D));
 115
 116                 if (rPageFillRange.isInside(aSubHierarchyRange))
 117                 {
 118                     // completely inside, just render MasterPage content. Add to target
 119                     rVisitor.visit(xMasterPageSequence);
 120                 }
 121                 else if (rPageFillRange.overlaps(aSubHierarchyRange))
 122                 {
 123                     // overlapping, compute common area
 124                     basegfx::B2DRange aCommonArea(rPageFillRange);
 125                     aCommonArea.intersect(aSubHierarchyRange);
 126
 127                     // need to create a clip primitive, add clipped list to target
 128                     const drawinglayer::primitive2d::Primitive2DReference xReference(new drawinglayer::primitive2d::MaskPrimitive2D(
 129                         basegfx::B2DPolyPolygon(basegfx::utils::createPolygonFromRect(aCommonArea)), std::move(xMasterPageSequence)));
 130                     rVisitor.visit(xReference);
 131                 }
 132             }
 133         }
 134 } // end of namespace
 135
 136 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */