ENH: Add a ProjectionBarWidget to edit zoom level.

This projection bar widget is used to edit the selected
projection zoom level.

Modules/Visualization/Monteverdi/include/mvdMainWindow.h

@@ -87,6 +87,7 @@ class KeymapDialog;
 class LayerStackWidget;
 class ShaderWidget;
 class StatusBarWidget;
+class ProjectionBarWidget;
 
 namespace Ui
 {
@@ -279,6 +280,10 @@ private:
    */
   void InitializeShaderToolBar();
 
+  /**
+   */
+  void InitializeProjectionBarWidget();
+
   /**
    */
   void InitializeStatusBarWidgets();
@@ -316,6 +321,10 @@ private:
    */
   void ConnectStatusBar();
 
+  /**
+   */
+  void ConnectProjectionBarWidget();
+
 #if USE_PIXEL_DESCRIPTION
 
   /**
@@ -426,6 +435,10 @@ private:
    */
   KeymapDialog * m_KeymapDialog;
 
+  /**
+   */
+  ProjectionBarWidget * m_ProjectionBarWidget;
+
   /**
    */
   int m_GLSL140;

Modules/Visualization/Monteverdi/src/mvdMainWindow.cxx

@@ -85,6 +85,7 @@
 #include "mvdQuicklookViewRenderer.h"
 #include "mvdShaderWidget.h"
 #include "mvdStatusBarWidget.h"
+#include "mvdProjectionBarWidget.h"
 //
 #include "mvdApplication.h"
 #include "mvdPreferencesDialog.h"
@@ -106,6 +107,7 @@ namespace mvd
 /* CONSTANTS                                                                 */
 
 #define REFERENCE_LAYER_COMBOBOX_NAME "referenceLayerComboBox"
+#define REFERENCE_PROJECTION_ZOOM_LINE_EDIT "ProjZoomLineEdit"
 
 #define FORCE_NO_GLSL ( ( defined( OTB_DEBUG ) && 0 ) || 0 )
 
@@ -140,6 +142,7 @@ MainWindow
 #endif // USE_TABBED_VIEW
   m_StatusBarWidget( NULL ),
   m_ShaderWidget( NULL ),
+  m_ProjectionBarWidget( NULL ),
   m_FilenameDragAndDropEventFilter( NULL ),
   m_KeymapDialog( NULL ),
   m_GLSL140( -2 ),
@@ -309,6 +312,8 @@ MainWindow
 
   InitializeStatusBarWidgets();
 
+  InitializeProjectionBarWidget();
+
   InitializeRenderToolBar();
   InitializeShaderToolBar();
 
@@ -412,6 +417,8 @@ MainWindow
 
   ConnectStatusBar();
 
+  ConnectProjectionBarWidget();
+
   //
   // When everything is connected, install event-filter.
   assert( m_ImageView!=NULL );
@@ -624,6 +631,35 @@ MainWindow
   );
 }
 
+/*****************************************************************************/
+void
+MainWindow
+::ConnectProjectionBarWidget()
+{
+  assert( m_ProjectionBarWidget!=NULL );
+  assert( m_ImageView!=NULL );
+
+/*
+  QObject::connect(
+          m_ImageView,
+          SIGNAL( ScaleChanged( double, double ) ),
+          // to:
+          m_ProjectionBarWidget,
+          SLOT( SetProjectionScale( double, double ) )
+  );
+
+  QObject::connect(
+          m_ProjectionBarWidget,
+          SIGNAL( ProjectionScaleChanged( double ) ),
+          // to:
+          m_ImageView->GetManipulator(),
+          SLOT( ZoomTo( double ) )
+  );
+  */
+
+
+}
+
 /*****************************************************************************/
 #if USE_PIXEL_DESCRIPTION
 
@@ -990,7 +1026,6 @@ MainWindow
 {
   m_UI->m_RenderToolBar->addSeparator();
 
-  {
   m_UI->m_RenderToolBar->addWidget(
     new QLabel( tr( "Proj" ) )
   );
@@ -1002,7 +1037,7 @@ MainWindow
 
   assert( comboBox!=NULL );
 
-  comboBox->setObjectName( "referenceLayerComboBox" );
+  comboBox->setObjectName( REFERENCE_LAYER_COMBOBOX_NAME );
   comboBox->setMinimumSize(
     QSize(
 #ifdef OTB_DEBUG
@@ -1015,7 +1050,7 @@ MainWindow
   );
 
   m_UI->m_RenderToolBar->addWidget( comboBox );
-  }
+  m_UI->m_RenderToolBar->addWidget( m_ProjectionBarWidget );
 }
 
 /*****************************************************************************/
@@ -1036,6 +1071,15 @@ MainWindow
   }
 }
 
+/*****************************************************************************/
+void
+MainWindow
+::InitializeProjectionBarWidget()
+{
+  assert( m_ProjectionBarWidget==NULL );
+  m_ProjectionBarWidget = new ProjectionBarWidget( m_UI->m_ShaderToolBar );
+}
+
 /*****************************************************************************/
 void
 MainWindow

Modules/Visualization/MonteverdiGui/include/mvdProjectionBarWidget.h

+/*
+ * Copyright (C) 2005-2017 Centre National d'Etudes Spatiales (CNES)
+ *
+ * This file is part of Orfeo Toolbox
+ *
+ *     https://www.orfeo-toolbox.org/
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+#ifndef mvdProjectionBarWidget_h
+#define mvdProjectionBarWidget_h
+
+//
+// Configuration include.
+//// Included at first position before any other ones.
+#include "ConfigureMonteverdi.h"
+
+
+/*****************************************************************************/
+/* INCLUDE SECTION                                                           */
+#include <iostream>
+
+//
+// Qt includes (sorted by alphabetic order)
+//// Must be included before system/custom includes.
+#include <QtGui>
+#include <qnamespace.h>
+
+//
+// System includes (sorted by alphabetic order)
+
+//
+// ITK includes (sorted by alphabetic order)
+
+//
+// OTB includes (sorted by alphabetic order)
+#include "OTBMonteverdiGUIExport.h"
+//
+// Monteverdi includes (sorted by alphabetic order)
+#include "mvdTypes.h"
+
+
+/*****************************************************************************/
+/* PRE-DECLARATION SECTION                                                   */
+
+namespace mvd
+{
+//
+// Internal classes pre-declaration.
+namespace Ui
+{
+class ProjectionBarWidget;
+};
+
+/**
+ * \class ProjectionBarWidget
+ * \ingroup OTBMonteverdiGUI
+ * \brief ProjectionBarWidget widget class.
+ *
+ * This Widget allow to change the zoom level of the current selected projection.
+ */
+class OTBMonteverdiGUI_EXPORT ProjectionBarWidget : public QWidget
+{
+
+Q_OBJECT;
+
+public:
+
+  /** \brief Constructor. */
+  explicit ProjectionBarWidget(QWidget *p = NULL, Qt::WindowFlags flags = Qt::Widget );
+
+  /** \brief Destructor. */
+  ~ProjectionBarWidget() ITK_OVERRIDE;
+
+private:
+
+  /**
+   * \brief uic generated.
+   */
+  Ui::ProjectionBarWidget *m_UI;
+
+  /**
+   * emit a signal to change the scale if projectionScaleLineEdit is changed
+   * and if the input text is valid.
+   */
+  void ChangeScale();
+
+private slots:
+  /**
+   * When user edit the projection scale line
+   */
+  void on_projectionScaleLineEdit_editingFinished();
+  /**
+   * When user press return
+   */
+  void on_projectionScaleLineEdit_returnPressed();
+
+signals:
+  /**
+   */
+  void ProjectionScaleChanged( double );
+
+};
+
+} // end namespace mvd
+
+
+#endif //mvdProjectionBarWidget_h

Modules/Visualization/MonteverdiGui/src/CMakeLists.txt

@@ -50,6 +50,7 @@ set( OTBMonteverdiGUI_SRCS
   mvdMultiResolutionPyramidWidget.cxx
   #mvdMyWidget.cxx
   mvdPixelDescriptionWidget.cxx
+  mvdProjectionBarWidget.cxx
   mvdQuicklookViewManipulator.cxx
   mvdQuicklookViewRenderer.cxx
   mvdSearchableTreeWidget.cxx
@@ -103,6 +104,7 @@ set( OTBMonteverdiGUI_HEADERS_MOC
   ../include/mvdMultiResolutionPyramidWidget.h
   #mvdMyWidget.h
   ../include/mvdPixelDescriptionWidget.h
+  ../include/mvdProjectionBarWidget.h
   ../include/mvdQuicklookViewManipulator.h
   ../include/mvdQuicklookViewRenderer.h
   ../include/mvdSearchableTreeWidget.h
@@ -132,6 +134,7 @@ set( OTBMonteverdiGUI_FORMS
   mvdMultiResolutionPyramidWidget.ui
   #mvdMyWidget.ui
   mvdPixelDescriptionWidget.ui
+  mvdProjectionBarWidget.ui
   mvdSearchableTreeWidget.ui
   mvdShaderWidget.ui
   mvdStatusBarWidget.ui

Modules/Visualization/MonteverdiGui/src/mvdProjectionBarWidget.cxx

+/*
+ * Copyright (C) 2005-2017 Centre National d'Etudes Spatiales (CNES)
+ *
+ * This file is part of Orfeo Toolbox
+ *
+ *     https://www.orfeo-toolbox.org/
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "mvdProjectionBarWidget.h"
+#include "ui_mvdProjectionBarWidget.h"
+
+namespace mvd
+{
+
+ProjectionBarWidget::ProjectionBarWidget( QWidget* p, Qt::WindowFlags flags  ) :
+        QWidget( p, flags )
+        , m_UI( new mvd::Ui::ProjectionBarWidget() )
+{
+  m_UI->setupUi( this );
+}
+
+ProjectionBarWidget::~ProjectionBarWidget()
+{
+  delete m_UI;
+  m_UI = NULL;
+}
+
+void ProjectionBarWidget::on_projectionScaleLineEdit_returnPressed()
+{
+  ChangeScale();
+}
+
+void ProjectionBarWidget::on_projectionScaleLineEdit_editingFinished()
+{
+  if(m_UI->projectionScaleLineEdit->isModified())
+    {
+    ChangeScale();
+    }
+}
+
+void ProjectionBarWidget::ChangeScale()
+{
+  // Cancel if scale text is empty.
+  if( m_UI->projectionScaleLineEdit->text().isEmpty() )
+    return;
+
+  // Split scale text.
+  QStringList scale( m_UI->projectionScaleLineEdit->text().split( ':' ) );
+
+  if( scale.size()!=1 && scale.size()!=2 )
+    return;
+
+  // Convert scale numerator.
+  bool isOk = true;
+  double numerator = scale.front().toDouble( &isOk );
+
+  if( !isOk || numerator==0.0 )
+    return;
+
+  // Convert scale denominator.
+  double denominator = 1.0;
+
+  if( scale.size()>1 )
+    {
+    denominator = scale.back().toDouble( &isOk );
+    if( !isOk )
+      return;
+    }
+
+  // Emit scale changed.
+  emit ProjectionScaleChanged( numerator / denominator );
+}
+
+
+}

Modules/Visualization/MonteverdiGui/src/mvdProjectionBarWidget.ui

+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>mvd::ProjectionBarWidget</class>
+ <widget class="QWidget" name="mvd::ProjectionBarWidget">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>204</width>
+    <height>20</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <layout class="QHBoxLayout" name="horizontalLayout">
+   <property name="spacing">
+    <number>0</number>
+   </property>
+   <property name="sizeConstraint">
+    <enum>QLayout::SetMinimumSize</enum>
+   </property>
+   <property name="margin">
+    <number>0</number>
+   </property>
+   <item>
+    <widget class="QLabel" name="projectionScaleLabel">
+     <property name="maximumSize">
+      <size>
+       <width>100</width>
+       <height>20</height>
+      </size>
+     </property>
+     <property name="text">
+      <string comment="projection">Zoom Level</string>
+     </property>
+     <property name="textInteractionFlags">
+      <set>Qt::LinksAccessibleByMouse</set>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QLineEdit" name="projectionScaleLineEdit">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="MinimumExpanding" vsizetype="MinimumExpanding">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
+     <property name="maximumSize">
+      <size>
+       <width>150</width>
+       <height>20</height>
+      </size>
+     </property>
+     <property name="locale">
+      <locale language="C" country="AnyCountry"/>
+     </property>
+     <property name="text">
+      <string>1:1</string>
+     </property>
+     <property name="alignment">
+      <set>Qt::AlignCenter</set>
+     </property>
+     <property name="placeholderText">
+      <string notr="true"/>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

Modules/Visualization/MonteverdiGui/src/mvdStatusBarWidget.cxx

@@ -159,6 +159,10 @@ StatusBarWidget
   assert( m_UI->pixelIndexLineEdit!=NULL );
 
   m_UI->pixelRadiometryLabel->setText( text );
+
+  // mantis-1385 hide scaleLineEdit
+  m_UI->label_4->hide();
+  m_UI->scaleLineEdit->hide();
 }
 
 /*****************************************************************************/