LibreOffice Module svx (master)  1
objectcontactofobjlistpainter.cxx
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1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /*
3  * This file is part of the LibreOffice project.
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6  * License, v. 2.0. If a copy of the MPL was not distributed with this
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8  *
9  * This file incorporates work covered by the following license notice:
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11  * Licensed to the Apache Software Foundation (ASF) under one or more
12  * contributor license agreements. See the NOTICE file distributed
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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 
23 #include <svx/svdpage.hxx>
24 #include <svx/svdobj.hxx>
29 #include <svx/unoapi.hxx>
30 #include <tools/debug.hxx>
31 #include <vcl/gdimtf.hxx>
32 #include <memory>
33 
34 namespace sdr::contact {
35 
36 ObjectContactPainter::ObjectContactPainter()
37 {
38 }
39 
40 // The destructor.
41 ObjectContactPainter::~ObjectContactPainter()
42 {
43 }
44 
46 {
47  return maStartObjects.size();
48 }
49 
51 {
52  const SdrObject* pObj = maStartObjects[nIndex];
53  DBG_ASSERT(pObj, "ObjectContactOfObjListPainter: Corrupt SdrObjectVector (!)");
54  return pObj->GetViewContact();
55 }
56 
58  OutputDevice& rTargetDevice,
59  SdrObjectVector&& rObjects,
60  const SdrPage* pProcessedPage)
61 : mrTargetOutputDevice(rTargetDevice),
62  maStartObjects(std::move(rObjects)),
63  mpProcessedPage(pProcessedPage)
64 {
65 }
66 
68 {
69 }
70 
71 // Process the whole displaying
73 {
74  const sal_uInt32 nCount(GetPaintObjectCount());
75 
76  if(!nCount)
77  return;
78 
79  OutputDevice* pTargetDevice = TryToGetOutputDevice();
80 
81  if(!pTargetDevice)
82  return;
83 
84  // update current ViewInformation2D at the ObjectContact
85  const GDIMetaFile* pMetaFile = pTargetDevice->GetConnectMetaFile();
86  const bool bOutputToRecordingMetaFile(pMetaFile && pMetaFile->IsRecord() && !pMetaFile->IsPause());
87  basegfx::B2DRange aViewRange;
88 
89  // create ViewRange
90  if(!bOutputToRecordingMetaFile)
91  {
92  // use visible pixels, but transform to world coordinates
93  const Size aOutputSizePixel(pTargetDevice->GetOutputSizePixel());
94  aViewRange = ::basegfx::B2DRange(0.0, 0.0, aOutputSizePixel.getWidth(), aOutputSizePixel.getHeight());
95  aViewRange.transform(pTargetDevice->GetInverseViewTransformation());
96  }
97 
98  // update local ViewInformation2D
99  const drawinglayer::geometry::ViewInformation2D aNewViewInformation2D(
101  pTargetDevice->GetViewTransformation(),
102  aViewRange,
103  GetXDrawPageForSdrPage(const_cast< SdrPage* >(mpProcessedPage)),
104  0.0);
105  updateViewInformation2D(aNewViewInformation2D);
106 
107  // collect primitive data in a sequence; this will already use the updated ViewInformation2D
109 
110  for(sal_uInt32 a(0); a < nCount; a++)
111  {
112  const ViewObjectContact& rViewObjectContact = GetPaintObjectViewContact(a).GetViewObjectContact(*this);
113 
114  rViewObjectContact.getPrimitive2DSequenceHierarchy(rDisplayInfo, xPrimitiveSequence);
115  }
116 
117  // if there is something to show, use a vclProcessor to render it
118  if(!xPrimitiveSequence.empty())
119  {
120  std::unique_ptr<drawinglayer::processor2d::BaseProcessor2D> pProcessor2D(drawinglayer::processor2d::createProcessor2DFromOutputDevice(
121  *pTargetDevice,
122  getViewInformation2D()));
123 
124  pProcessor2D->process(xPrimitiveSequence);
125  }
126 }
127 
128 // recording MetaFile?
130 {
132  return (pMetaFile && pMetaFile->IsRecord() && !pMetaFile->IsPause());
133 }
134 
135 // pdf export?
137 {
139 }
140 
142 {
143  return &mrTargetOutputDevice;
144 }
145 
147 {
148  return (GetStartPage() ? 1 : 0);
149 }
150 
152 {
153  DBG_ASSERT(GetStartPage(), "ObjectContactOfPagePainter::GetPaintObjectViewContact: no StartPage set (!)");
154  return GetStartPage()->GetViewContact();
155 }
156 
158  ObjectContact& rOriginalObjectContact)
159 : mrOriginalObjectContact(rOriginalObjectContact)
160 {
161 }
162 
164 {
165 }
166 
168 {
169  if(pPage != GetStartPage())
170  {
171  mxStartPage = const_cast< SdrPage* >(pPage); // no tools::WeakReference<SdrPage> available to hold a const SdrPage*
172  }
173 }
174 
176 {
178 }
179 
180 }
181 
182 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
basegfx::B2DHomMatrix GetInverseViewTransformation() const
OutDevType GetOutDevType() const
virtual ViewContact & GetPaintObjectViewContact(sal_uInt32 nIndex) override
class UNLESS_MERGELIBS(SVXCORE_DLLPUBLIC) ObjectContactPainter typedef::std::vector< SdrObject * > SdrObjectVector
ObjectContactOfPagePainter(ObjectContact &rOriginalObjectContact)
ViewObjectContact & GetViewObjectContact(ObjectContact &rObjectContact)
Definition: viewcontact.cxx:64
GDIMetaFile * GetConnectMetaFile() const
bool IsRecord() const
std::unique_ptr< BaseProcessor2D > createProcessor2DFromOutputDevice(OutputDevice &rTargetOutDev, const drawinglayer::geometry::ViewInformation2D &rViewInformation2D)
sdr::contact::ViewContact & GetViewContact() const
Definition: svdobj.cxx:251
BASEGFX_DLLPUBLIC void transform(const B2DHomMatrix &rMatrix)
int nCount
virtual ViewContact & GetPaintObjectViewContact(sal_uInt32 nIndex) override
virtual void ProcessDisplay(DisplayInfo &rDisplayInfo) override
#define DBG_ASSERT(sCon, aError)
virtual void getPrimitive2DSequenceHierarchy(DisplayInfo &rDisplayInfo, drawinglayer::primitive2d::Primitive2DDecompositionVisitor &rVisitor) const
uno_Any a
OUTDEV_PDF
Size GetOutputSizePixel() const
Abstract DrawObject.
Definition: svdobj.hxx:259
uno::Reference< drawing::XDrawPage > GetXDrawPageForSdrPage(SdrPage *pPage) noexcept
returns a StarOffice API wrapper for the given SdrPage
Definition: unopage.cxx:870
bool IsPause() const
const sdr::contact::ViewContact & GetViewContact() const
Definition: svdpage.cxx:1165
virtual OutputDevice * TryToGetOutputDevice() const override
ObjectContactOfObjListPainter(OutputDevice &rTargetDevice, SdrObjectVector &&rObjects, const SdrPage *pProcessedPage)
virtual OutputDevice * TryToGetOutputDevice() const
access to OutputDevice. May return 0L like the default implementations do. Override as needed...
virtual sal_uInt32 GetPaintObjectCount() const override
A SdrPage contains exactly one SdrObjList and a description of the physical page dimensions (size / m...
Definition: svdpage.hxx:365
basegfx::B2DHomMatrix GetViewTransformation() const
virtual OutputDevice * TryToGetOutputDevice() const override
virtual sal_uInt32 GetPaintObjectCount() const override