First dump for version 0.1.0

[cpPlugins.git] / lib / cpExtensions / IO / MementoState.cxx

diff --git a/lib/cpExtensions/IO/MementoState.cxx b/lib/cpExtensions/IO/MementoState.cxx
new file mode 100644 (file)
index 0000000..2af5abf
--- /dev/null
+++ b/lib/cpExtensions/IO/MementoState.cxx
@@ -0,0 +1,148 @@
+/*
+#include <cpExtensions/IO/MementoState.h>
+
+
+#include <vtkMetaImageReader.h>
+#include <vtkMetaImageWriter.h>
+#include <future>
+
+
+
+
+
+// -------------------------------------------------------------------------
+cpExtensions::IO::MementoState::MementoState()
+{
+  m_maxId = m_Id = 0;
+  m_stateIt = m_stateReady.begin();
+};
+
+// -------------------------------------------------------------------------
+bool
+cpExtensions::IO::MementoState::SetToMemento(cpPlugins::Interface::Image* _img)
+{
+  char base[] = "state";
+  std::ostringstream oss;
+  this->m_Id;
+  oss << this->m_Id;
+  std::string str = oss.str();
+  auto complement = str.c_str();
+
+  std::string fileName(base);
+  fileName.append(complement);
+  fileName.append(".mhd");
+
+  std::string fileNameRaw(base);
+  fileNameRaw.append(complement);
+  fileNameRaw.append(".raw");
+  //save(fileName, fileNameRaw, _img);
+  m_stateReady.insert(m_stateReady.begin() + m_Id, false);
+  std::async(std::launch::async, &MementoState::Save, this, fileName, fileNameRaw, _img);
+
+  m_stateReady[m_Id] = true;
+  m_Id++;
+
+  if (m_Id > m_maxId)
+  {
+    m_maxId = m_Id;
+  }
+
+  return true;
+}
+
+
+// -------------------------------------------------------------------------
+vtkSmartPointer<vtkImageData>
+cpExtensions::IO::MementoState::GetFromMemento(long id)
+{
+  if (id > m_maxId)
+  {
+    return nullptr;
+  }
+
+  char base[] = "state";
+  std::ostringstream oss;
+  oss << id;
+  std::string str = oss.str();
+  auto complement = str.c_str();
+
+  std::string fileName(base);
+  fileName.append(complement);
+  fileName.append(".mhd");
+  return Load(fileName);
+  //std::future<vtkSmartPointer<vtkImageData>> result(std::async(std::launch::async, &MementoState::Load, this, fileName));
+  //return result.get();
+}
+
+// -------------------------------------------------------------------------
+vtkSmartPointer<vtkImageData>
+cpExtensions::IO::MementoState::MementoUndo()
+{
+  char base[] = "state";
+  std::ostringstream oss;
+  oss << --this->m_Id;
+  std::string str = oss.str();
+  auto complement = str.c_str();
+
+  std::string fileName(base);
+  fileName.append(complement);
+  fileName.append(".mhd");
+
+  if (m_stateReady.at(this->m_Id))
+  {
+    return Load(fileName);
+  }
+
+  return nullptr;
+}
+
+
+vtkSmartPointer<vtkImageData>
+cpExtensions::IO::MementoState::MementoRedo()
+{
+  char base[] = "state";
+  std::ostringstream oss;
+  oss << ++this->m_Id;
+  std::string str = oss.str();
+  auto complement = str.c_str();
+
+  std::string fileName(base);
+  fileName.append(complement);
+  fileName.append(".mhd");
+
+  if (m_stateReady.at(this->m_Id) &&
+    this->m_Id <= this->m_maxId)
+  {
+    return Load(fileName);
+  }
+  return nullptr;
+}
+
+// -------------------------------------------------------------------------
+void
+cpExtensions::IO::MementoState::
+Save(const std::string& filename, const std::string& filenameRaw, cpPlugins::Interface::Image* img) {
+
+  vtkSmartPointer<vtkMetaImageWriter> writer =
+    vtkSmartPointer<vtkMetaImageWriter>::New();
+  writer->SetInputData(img->GetVTK< vtkImageData >());
+  writer->SetFileName(filename.c_str());
+  writer->SetRAWFileName(filenameRaw.c_str());
+  writer->Write();
+}
+
+// -------------------------------------------------------------------------
+vtkSmartPointer<vtkImageData>
+cpExtensions::IO::MementoState::Load(const std::string& filename) {
+
+  vtkSmartPointer<vtkMetaImageReader> reader =
+    vtkSmartPointer<vtkMetaImageReader>::New();
+  reader->SetFileName(filename.c_str());
+
+  reader->Update();
+  return reader->GetOutput();
+
+}
+*/
+
+// eof - $RCSfile$