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cxImageDataContainer.cpp
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1 /*=========================================================================
2 This file is part of CustusX, an Image Guided Therapy Application.
3 
4 Copyright (c) 2008-2014, SINTEF Department of Medical Technology
5 All rights reserved.
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7 Redistribution and use in source and binary forms, with or without
8 modification, are permitted provided that the following conditions are met:
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10 1. Redistributions of source code must retain the above copyright notice,
11  this list of conditions and the following disclaimer.
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13 2. Redistributions in binary form must reproduce the above copyright notice,
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21 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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30 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 =========================================================================*/
32 
33 #include "cxImageDataContainer.h"
34 #include <QDir>
35 #include <vtkImageImport.h>
36 #include <vtkImageData.h>
37 #include "cxDataReaderWriter.h"
38 #include "cxLogger.h"
39 #include "cxTypeConversions.h"
40 #include "cxUtilHelpers.h"
41 
42 typedef vtkSmartPointer<class vtkImageImport> vtkImageImportPtr;
43 
44 namespace cx
45 {
46 
48 {
49  mFilename = filename;
50  mImageData = image;
51 }
52 
54 {
55 }
56 
57 
58 
60 {
61  if (!mImageData)
62  {
63  mImageData = MetaImageReader().loadVtkImageData(mFilename);
64  }
65  return mImageData;
66 }
67 
69 {
70  mImageData = vtkImageDataPtr();
71  return true;
72 }
73 
77 
79 {
80  int count = 0;
81  for (unsigned i=0; i<this->size(); ++i)
82  {
83  if (this->purge(i))
84  count++;
85  }
86 // double fraction = double(count)/this->size();
87 // std::cout << QString("PurgeAll imagecache: purged %1\% of %2 frames.").arg(fraction).arg(this->size()) << std::endl;
88 }
89 
93 
94 
95 CachedImageDataContainer::CachedImageDataContainer(QString baseFilename, int size) :
96  mDeleteFilesOnRelease(false)
97 {
98  QFileInfo info(baseFilename);
99 
100  for (int i=0; true; ++i)
101  {
102  QString file = info.absolutePath()+"/"+info.completeBaseName()+QString("_%1.mhd").arg(i);
103 
104  if (!QFileInfo(file).exists())
105  break;
106 
107  CachedImageDataPtr cache(new CachedImageData(file));
108  mImages.push_back(cache);
109 
110  if (size>=0 && i>=size)
111  break;
112  }
113 
114  if (size>=0)
115  {
116  CX_ASSERT(size == mImages.size());
117  }
118 }
119 
121  mDeleteFilesOnRelease(false)
122 {
123 }
124 
126  mDeleteFilesOnRelease(false)
127 {
128  for (unsigned i=0; i<frames.size(); ++i)
129  this->append(frames[i]);
130 }
131 
132 void CachedImageDataContainer::append(QString filename)
133 {
134  mImages.push_back(CachedImageDataPtr(new CachedImageData(filename)));
135 }
136 
138 {
139  if (mDeleteFilesOnRelease)
140  {
141  for (unsigned i=0; i<mImages.size(); ++i)
142  {
143  QDir().remove(mImages[i]->getFilename());
144  QDir().remove(changeExtension(mImages[i]->getFilename(), "raw"));
145  QDir().remove(changeExtension(mImages[i]->getFilename(), "zraw"));
146  }
147  }
148 }
149 
151 {
152  CX_ASSERT(index < this->size());
153  CX_ASSERT(mImages[index]);
154 
155  if (index >= this->size())
156  {
157  std::cout << QString("Attempt to call index %1, size=%2").arg(index).arg(this->size()) << std::endl;
158  }
159 // int* a = NULL;
160 // *a = 5;
161  vtkImageDataPtr retval = mImages[index]->getImage();
162  mImages[index]->purge();
163  return retval;
164 }
165 
167 {
168  return mImages[index]->getFilename();
169 }
170 
171 
173 {
174  return (unsigned)mImages.size();
175 }
176 
180 
182 {
183  mOptionalWholeBase = image3D;
184  mImages.resize(image3D->GetDimensions()[2]);
185 
186  for (int i=0; i<mImages.size(); ++i)
187  {
188  vtkImageImportPtr import = vtkImageImportPtr::New();
189 
190  import->SetImportVoidPointer(image3D->GetScalarPointer(0,0,i));
191  import->SetDataScalarType(image3D->GetScalarType());
192  import->SetDataSpacing(image3D->GetSpacing());
193  import->SetNumberOfScalarComponents(image3D->GetNumberOfScalarComponents());
194 // int* extent = image3D->GetWholeExtent();
195 // int* extent = image3D->GetExtent();
196  IntBoundingBox3D extent(image3D->GetExtent());
197  extent[4] = 0;
198  extent[5] = 0;
199  import->SetWholeExtent(extent.data());
200  import->SetDataExtentToWholeExtent();
201 
202  import->Update();
203  mImages[i] = import->GetOutput();
204 
205 // std::cout << "SplitFramesContainer " << i << std::endl;
206 // std::cout << "===================================" << std::endl;
207 // mImages[i]->Print(std::cout);
208  }
209 }
210 
212 {
213  return mImages[index];
214 }
215 
217 {
218  return (unsigned)mImages.size();
219 }
220 
221 
225 
226 FramesDataContainer::FramesDataContainer(std::vector<vtkImageDataPtr> images)
227 {
228  mImages = images;
229 }
230 
232 {
233  return mImages[index];
234 }
235 
237 {
238  return mImages.size();
239 }
240 
241 } // namespace cx
vtkImageDataPtr getImage()
#define CX_ASSERT(statement)
Definition: cxLogger.h:131
boost::shared_ptr< CachedImageData > CachedImageDataPtr
virtual vtkImageDataPtr loadVtkImageData(QString filename)
virtual QString getFilename(unsigned index)
virtual bool purge(unsigned index)
virtual vtkImageDataPtr get(unsigned index)
CachedImageData(QString filename, vtkImageDataPtr image=NULL)
virtual unsigned size() const
virtual unsigned size() const
virtual unsigned size() const
Representation of an integer bounding box in 3D. The data are stored as {xmin,xmax,ymin,ymax,zmin,zmax}, in order to simplify communication with vtk.
vtkSmartPointer< class vtkImageImport > vtkImageImportPtr
QString changeExtension(QString name, QString ext)
virtual vtkImageDataPtr get(unsigned index)
vtkSmartPointer< class vtkImageImport > vtkImageImportPtr
vtkSmartPointer< class vtkImageData > vtkImageDataPtr
Reader for metaheader .mhd files.
virtual unsigned size() const =0
SplitFramesContainer(vtkImageDataPtr image3D)
virtual vtkImageDataPtr get(unsigned index)
FramesDataContainer(std::vector< vtkImageDataPtr > images)