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 <drawinglayer/primitive2d/maskprimitive2d.hxx>
  27 #include <basegfx/polygon/b2dpolygontools.hxx>
  28 #include <basegfx/polygon/b2dpolygon.hxx>
  29
  30
  31 namespace sdr::contact
  32 {
  33         ViewObjectContactOfMasterPageDescriptor::ViewObjectContactOfMasterPageDescriptor(ObjectContact& rObjectContact, ViewContact& rViewContact)
  34         :   ViewObjectContact(rObjectContact, rViewContact)
  35         {
  36         }
  37
  38         ViewObjectContactOfMasterPageDescriptor::~ViewObjectContactOfMasterPageDescriptor()
  39         {
  40         }
  41
  42         bool ViewObjectContactOfMasterPageDescriptor::isPrimitiveVisible(const DisplayInfo& rDisplayInfo) const
  43         {
  44             if(rDisplayInfo.GetControlLayerProcessingActive())
  45             {
  46                 return false;
  47             }
  48
  49             if(!rDisplayInfo.GetPageProcessingActive())
  50             {
  51                 return false;
  52             }
  53
  54             return true;
  55         }
  56
  57         void ViewObjectContactOfMasterPageDescriptor::getPrimitive2DSequenceHierarchy(DisplayInfo& rDisplayInfo, drawinglayer::primitive2d::Primitive2DDecompositionVisitor& rVisitor) const
  58         {
  59             drawinglayer::primitive2d::Primitive2DContainer xMasterPageSequence;
  60             const sdr::MasterPageDescriptor& rDescriptor = static_cast< ViewContactOfMasterPageDescriptor& >(GetViewContact()).GetMasterPageDescriptor();
  61
  62             // used range (retval) is fixed here, it's the MasterPage fill range
  63             const SdrPage& rOwnerPage = rDescriptor.GetOwnerPage();
  64             const basegfx::B2DRange aInnerRange(
  65                 rOwnerPage.GetLeftBorder(), rOwnerPage.GetUpperBorder(),
  66                 rOwnerPage.GetWidth() - rOwnerPage.GetRightBorder(), rOwnerPage.GetHeight() - rOwnerPage.GetLowerBorder());
  67             const basegfx::B2DRange aOuterRange(
  68                 0, 0, rOwnerPage.GetWidth(), rOwnerPage.GetHeight());
  69             // ??? somehow only the master page's bit is used
  70             bool const isFullSize(rDescriptor.GetUsedPage().IsBackgroundFullSize());
  71             basegfx::B2DRange const& rPageFillRange(isFullSize ? aOuterRange : aInnerRange);
  72
  73             // Modify DisplayInfo for MasterPageContent collection; remember original layers and
  74             // set combined SdrLayerIDSet; set MasterPagePaint flag
  75             const SdrLayerIDSet aRememberedLayers(rDisplayInfo.GetProcessLayers());
  76             SdrLayerIDSet aPreprocessedLayers(aRememberedLayers);
  77             aPreprocessedLayers &= rDescriptor.GetVisibleLayers();
  78             rDisplayInfo.SetProcessLayers(aPreprocessedLayers);
  79             rDisplayInfo.SetSubContentActive(true);
  80
  81             // check layer visibility (traditionally was member of layer 1)
  82             if(aPreprocessedLayers.IsSet(SdrLayerID(1)))
  83             {
  84                 // hide PageBackground for special DrawModes; historical reasons
  85                 if(!GetObjectContact().isDrawModeGray() && !GetObjectContact().isDrawModeHighContrast())
  86                 {
  87                     // if visible, create the default background primitive sequence
  88                     static_cast< ViewContactOfMasterPageDescriptor& >(GetViewContact()).getViewIndependentPrimitive2DContainer(rVisitor);
  89                 }
  90             }
  91
  92             // hide MasterPage content? Test self here for hierarchy
  93             if(isPrimitiveVisible(rDisplayInfo))
  94             {
  95                 // get the VOC of the Master-SdrPage and get its object hierarchy
  96                 ViewContact& rViewContactOfMasterPage(rDescriptor.GetUsedPage().GetViewContact());
  97                 ViewObjectContact& rVOCOfMasterPage(rViewContactOfMasterPage.GetViewObjectContact(GetObjectContact()));
  98
  99                 rVOCOfMasterPage.getPrimitive2DSequenceHierarchy(rDisplayInfo, xMasterPageSequence);
 100             }
 101
 102             // reset DisplayInfo changes for MasterPage paint
 103             rDisplayInfo.SetProcessLayers(aRememberedLayers);
 104             rDisplayInfo.SetSubContentActive(false);
 105
 106             if(!xMasterPageSequence.empty())
 107             {
 108                 // get range of MasterPage sub hierarchy
 109                 const drawinglayer::geometry::ViewInformation2D& rViewInformation2D(GetObjectContact().getViewInformation2D());
 110                 basegfx::B2DRange aSubHierarchyRange(xMasterPageSequence.getB2DRange(rViewInformation2D));
 111
 112                 if (rPageFillRange.isInside(aSubHierarchyRange))
 113                 {
 114                     // completely inside, just render MasterPage content. Add to target
 115                     rVisitor.visit(xMasterPageSequence);
 116                 }
 117                 else if (rPageFillRange.overlaps(aSubHierarchyRange))
 118                 {
 119                     // overlapping, compute common area
 120                     basegfx::B2DRange aCommonArea(rPageFillRange);
 121                     aCommonArea.intersect(aSubHierarchyRange);
 122
 123                     // need to create a clip primitive, add clipped list to target
 124                     const drawinglayer::primitive2d::Primitive2DReference xReference(new drawinglayer::primitive2d::MaskPrimitive2D(
 125                         basegfx::B2DPolyPolygon(basegfx::utils::createPolygonFromRect(aCommonArea)), std::move(xMasterPageSequence)));
 126                     rVisitor.visit(xReference);
 127                 }
 128             }
 129         }
 130 } // end of namespace
 131
 132 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */