ENH: Add a gamma reset button

Modules/Visualization/MonteverdiGui/include/mvdColorDynamicsWidget.h

@@ -323,6 +323,8 @@ private slots:
   /**
    */
   void on_gammaSlider_valueChanged( int gamma );
+
+  void on_gammaResetButton_clicked();
 };
 
 } // end namespace 'mvd'.

Modules/Visualization/MonteverdiGui/src/CMakeLists.txt

@@ -120,7 +120,7 @@ set( OTBMonteverdiGUI_FORMS
 
 #############################################################################
 set( OTBMonteverdiGUI_RESOURCES
-  # mvdIcons.qrc
+  mvdIcons.qrc
 )
 
 #############################################################################

Modules/Visualization/MonteverdiGui/src/mvdColorDynamicsWidget.cxx

@@ -454,4 +454,11 @@ ColorDynamicsWidget
   QToolTip::showText(mapToGlobal(m_UI->gammaSlider->pos()),tr("Gamma: ") % QString::number(GetGamma()) );
 }
 
+void
+ColorDynamicsWidget
+::on_gammaResetButton_clicked()
+{
+  this->SetGamma(1.0);
+}
+
 } // end namespace 'mvd'

Modules/Visualization/MonteverdiGui/src/mvdColorDynamicsWidget.ui

@@ -158,6 +158,17 @@
         </property>
        </widget>
       </item>
+      <item>
+       <widget class="QToolButton" name="gammaResetButton">
+        <property name="toolTip">
+         <string>Reset value to 1.</string>
+        </property>
+        <property name="icon">
+         <iconset resource="mvdIcons.qrc">
+          <normaloff>:/Utilities/Data/Icons/view-refresh.png</normaloff>:/Utilities/Data/Icons/view-refresh.png</iconset>
+        </property>
+       </widget>
+      </item>
      </layout>
     </widget>
    </item>
@@ -307,7 +318,9 @@
   <tabstop>noDataLineEdit</tabstop>
   <tabstop>noDataButton</tabstop>
  </tabstops>
- <resources/>
+ <resources>
+  <include location="mvdIcons.qrc"/>
+ </resources>
  <connections>
   <connection>
    <sender>noDataCheckBox</sender>

Modules/Visualization/MonteverdiGui/src/mvdIcons.qrc

@@ -3,5 +3,6 @@
     <file>../../../../Utilities/Data/Icons/execute.png</file>
     <file>../../../../Utilities/Data/Icons/locked.png</file>
     <file>../../../../Utilities/Data/Icons/unlocked.png</file>
+    <file>../../../../Utilities/Data/Icons/view-refresh.png</file>
   </qresource>
 </RCC>