ENH : handle the output image pixel type choice in the QtWidgetOutputImageParameter

Code/Wrappers/QtWidget/otbWrapperQtWidgetOutputImageParameter.cxx

@@ -16,6 +16,7 @@
 
 =========================================================================*/
 #include "otbWrapperQtWidgetOutputImageParameter.h"
+#include "otbWrapperTypes.h"
 
 namespace otb
 {
@@ -49,6 +50,22 @@ void QtWidgetOutputImageParameter::DoCreateWidget()
   connect( m_Input, SIGNAL(textChanged(const QString&)), GetModel(), SLOT(NotifyUpdate()) );
   m_HLayout->addWidget(m_Input);
 
+  // Set the Output PixelType choice Combobox
+  m_ComboBox = new QComboBox;
+  m_ComboBox->setToolTip("Output Pixel Type");
+  m_ComboBox->addItem( "char");
+  m_ComboBox->addItem( "unsigned char");
+  m_ComboBox->addItem( "short");
+  m_ComboBox->addItem( "unsigned short");
+  m_ComboBox->addItem( "int");
+  m_ComboBox->addItem( "unsigned int");
+  m_ComboBox->addItem( "float");
+  m_ComboBox->addItem( "double");
+  m_ComboBox->setCurrentIndex(m_OutputImageParam->GetPixelType());
+  connect( m_ComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(SetPixelType(int)) );
+  connect( m_ComboBox, SIGNAL(currentIndexChanged(int)), GetModel(), SLOT(NotifyUpdate()) );
+  m_HLayout->addWidget(m_ComboBox);
+
   // Set up input text edit
   m_Button = new QPushButton;
   m_Button->setText("...");
@@ -86,5 +103,11 @@ void QtWidgetOutputImageParameter::SetFileName(const QString& value)
   emit ParameterChanged(key);
 }
 
+void QtWidgetOutputImageParameter::SetPixelType(int  pixelType)
+{
+  m_OutputImageParam->SetPixelType(static_cast< ImagePixelType >(pixelType));
+  m_PixelType = pixelType;
+}
+
 }
 }

Code/Wrappers/QtWidget/otbWrapperQtWidgetOutputImageParameter.h

@@ -38,9 +38,13 @@ public:
   QtWidgetOutputImageParameter(OutputImageParameter*, QtWidgetModel*);
   virtual ~QtWidgetOutputImageParameter();
 
+  /** Get the PixelType*/
+  //itkGetMacro(PixelType, int);
+
 protected slots:
   void SetFileName( const QString& value );
   void SelectFile();
+  void SetPixelType(int pixelType);
 
 private:
   QtWidgetOutputImageParameter(const QtWidgetOutputImageParameter&); //purposely not implemented
@@ -56,6 +60,9 @@ private:
   QHBoxLayout * m_HLayout;
   QLineEdit*    m_Input;
   QPushButton * m_Button;
+  QComboBox*    m_ComboBox;
+  int           m_PixelType;
+  
 };