Line data    Source code

       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             : #include <svx/sdr/contact/viewcontactofvirtobj.hxx>
      21             : #include <svx/svdovirt.hxx>
      22             : #include <svx/sdr/contact/displayinfo.hxx>
      23             : #include <basegfx/matrix/b2dhommatrix.hxx>
      24             : #include <drawinglayer/primitive2d/transformprimitive2d.hxx>
      25             : #include <vcl/outdev.hxx>
      26             : #include <drawinglayer/primitive2d/sdrdecompositiontools2d.hxx>
      27             : 
      28             : namespace sdr { namespace contact {
      29             : 
      30        2327 : ViewContactOfVirtObj::ViewContactOfVirtObj(SdrVirtObj& rObj)
      31        2327 : :   ViewContactOfSdrObj(rObj)
      32             : {
      33        2327 : }
      34             : 
      35        2327 : ViewContactOfVirtObj::~ViewContactOfVirtObj()
      36             : {
      37        2327 : }
      38             : 
      39         658 : SdrVirtObj& ViewContactOfVirtObj::GetVirtObj() const
      40             : {
      41         658 :     return static_cast<SdrVirtObj&>(mrObject);
      42             : }
      43             : 
      44             : // Access to possible sub-hierarchy
      45        2536 : sal_uInt32 ViewContactOfVirtObj::GetObjectCount() const
      46             : {
      47             :     // Here, SdrVirtObj's need to return 0L to show that they have no
      48             :     // sub-hierarchy, even when they are group objects. This is necessary
      49             :     // to avoid that the same VOCs will be added to the draw hierarchy
      50             :     // twice which leads to problems.
      51             : 
      52             :     // This solution is only a first solution to get things running. Later
      53             :     // this needs to be replaced with creating real VOCs for the objects
      54             :     // referenced by virtual objects to avoid the 'trick' of setting the
      55             :     // offset for painting at the destination OutputDevive.
      56             : 
      57             :     // As can be seen, with primitives, the problem will be solved using
      58             :     // a transformPrimitive, so this solution can stay with primitives.
      59        2536 :     return 0L;
      60             : }
      61             : 
      62         329 : drawinglayer::primitive2d::Primitive2DSequence ViewContactOfVirtObj::createViewIndependentPrimitive2DSequence() const
      63             : {
      64             :     // create displacement transformation if we have content
      65         329 :     basegfx::B2DHomMatrix aObjectMatrix;
      66         329 :     Point aAnchor(GetVirtObj().GetAnchorPos());
      67             : 
      68         329 :     if(aAnchor.X() || aAnchor.Y())
      69             :     {
      70         323 :         aObjectMatrix.set(0, 2, aAnchor.X());
      71         323 :         aObjectMatrix.set(1, 2, aAnchor.Y());
      72             :     }
      73             : 
      74             :     // use method from referenced object to get the Primitive2DSequence
      75             :     const drawinglayer::primitive2d::Primitive2DSequence xSequenceVirtual(
      76         658 :         GetVirtObj().GetReferencedObj().GetViewContact().getViewIndependentPrimitive2DSequence());
      77             : 
      78         329 :     if(xSequenceVirtual.hasElements())
      79             :     {
      80             :         // create transform primitive
      81             :         const drawinglayer::primitive2d::Primitive2DReference xReference(
      82             :             new drawinglayer::primitive2d::TransformPrimitive2D(
      83             :                 aObjectMatrix,
      84         329 :                 xSequenceVirtual));
      85             : 
      86         329 :         return drawinglayer::primitive2d::Primitive2DSequence(&xReference, 1);
      87             :     }
      88             :     else
      89             :     {
      90             :         // always append an invisible outline for the cases where no visible content exists
      91             :         const drawinglayer::primitive2d::Primitive2DReference xReference(
      92             :             drawinglayer::primitive2d::createHiddenGeometryPrimitives2D(
      93           0 :                 false, aObjectMatrix));
      94             : 
      95           0 :         return drawinglayer::primitive2d::Primitive2DSequence(&xReference, 1);
      96         329 :     }
      97             : }
      98             : 
      99             : }}
     100             : 
     101             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
     102             :