From f74f70e6eab46fc350b4a5a29875c86eed183136 Mon Sep 17 00:00:00 2001
From: Alexander Bruy <alexander.bruy@gmail.com>
Date: Sat, 11 Feb 2012 11:26:35 +0200
Subject: [PATCH] move some raster settings such as std. dev and band
 combination to general QGIS settings

---
 src/app/qgsoptions.cpp   | 75 +++++++++++++++++++++++++++++++++++++
 src/app/qgsoptions.h     |  2 +
 src/ui/qgsoptionsbase.ui | 81 ++++++++++++++++++++++++++++++++++++++--
 3 files changed, 154 insertions(+), 4 deletions(-)

diff --git a/src/app/qgsoptions.cpp b/src/app/qgsoptions.cpp
index 2ce2ef473e55..41916c009fe5 100644
--- a/src/app/qgsoptions.cpp
+++ b/src/app/qgsoptions.cpp
@@ -64,6 +64,8 @@ QgsOptions::QgsOptions( QWidget *parent, Qt::WFlags fl ) :
 
   connect( spinFontSize, SIGNAL( valueChanged( const QString& ) ), this, SLOT( fontSizeChanged( const QString& ) ) );
 
+  connect( chkUseStandardDeviation, SIGNAL( stateChanged( int ) ), this, SLOT( toggleStandardDeviation( int ) ) );
+
   connect( this, SIGNAL( accepted() ), this, SLOT( saveOptions() ) );
 
   QStringList styles = QStyleFactory::keys();
@@ -327,6 +329,41 @@ QgsOptions::QgsOptions( QWidget *parent, Qt::WFlags fl ) :
 
   cmbLegendDoubleClickAction->setCurrentIndex( settings.value( "/qgis/legendDoubleClickAction", 0 ).toInt() );
 
+  //
+  // Raster properties
+  //
+  spnRed->setValue( settings.value( "/Raster/defaultRedBand", 1 ).toInt() );
+  spnGreen->setValue( settings.value( "/Raster/defaultGreenBand", 2 ).toInt() );
+  spnBlue->setValue( settings.value( "/Raster/defaultBlueBand", 3 ).toInt() );
+
+  //add items to the color enhanceContrast combo box
+  cboxContrastEnhancementAlgorithm->addItem( tr( "No Stretch" ) );
+  cboxContrastEnhancementAlgorithm->addItem( tr( "Stretch To MinMax" ) );
+  cboxContrastEnhancementAlgorithm->addItem( tr( "Stretch And Clip To MinMax" ) );
+  cboxContrastEnhancementAlgorithm->addItem( tr( "Clip To MinMax" ) );
+
+  QString contrastEnchacement = settings.value( "/Raster/defaultContrastEnhancementAlgorithm", "NoEnhancement" ).toString();
+  if ( contrastEnchacement == "NoEnhancement" )
+  {
+    cboxContrastEnhancementAlgorithm->setCurrentIndex( cboxContrastEnhancementAlgorithm->findText( tr( "No Stretch" ) ) );
+  }
+  if ( contrastEnchacement == "StretchToMinimumMaximum" )
+  {
+    cboxContrastEnhancementAlgorithm->setCurrentIndex( cboxContrastEnhancementAlgorithm->findText( tr( "Stretch To MinMax" ) ) );
+  }
+  else if ( contrastEnchacement == "StretchAndClipToMinimumMaximum" )
+  {
+    cboxContrastEnhancementAlgorithm->setCurrentIndex( cboxContrastEnhancementAlgorithm->findText( tr( "Stretch And Clip To MinMax" ) ) );
+  }
+  else if ( contrastEnchacement == "ClipToMinimumMaximum" )
+  {
+    cboxContrastEnhancementAlgorithm->setCurrentIndex( cboxContrastEnhancementAlgorithm->findText( tr( "Clip To MinMax" ) ) );
+  }
+
+  chkUseStandardDeviation->setChecked( settings.value( "/Raster/useStandardDeviation", false ).toBool() );
+  spnThreeBandStdDev->setValue( settings.value( "/Raster/defaultStandardDeviation", 2.0 ).toDouble() );
+  toggleStandardDeviation( chkUseStandardDeviation->checkState() );
+
   //set the color for selections
   int myRed = settings.value( "/qgis/default_selection_color_red", 255 ).toInt();
   int myGreen = settings.value( "/qgis/default_selection_color_green", 255 ).toInt();
@@ -559,6 +596,18 @@ void QgsOptions::fontSizeChanged( const QString &fontSize )
   QgisApp::instance()->setFontSize( fontSize.toInt() );
 }
 
+void QgsOptions::toggleStandardDeviation( int state )
+{
+  if ( Qt::Checked == state )
+  {
+    spnThreeBandStdDev->setEnabled( true );
+  }
+  else
+  {
+    spnThreeBandStdDev->setEnabled( false );
+  }
+}
+
 QString QgsOptions::theme()
 {
   // returns the current theme (as selected in the cmbTheme combo box)
@@ -688,6 +737,32 @@ void QgsOptions::saveOptions()
   settings.setValue( "/IconSize", cmbIconSize->currentText() );
   settings.setValue( "/fontPointSize", spinFontSize->value() );
 
+  // rasters settings
+  settings.setValue( "/Raster/defaultRedBand", spnRed->value() );
+  settings.setValue( "/Raster/defaultGreenBand", spnGreen->value() );
+  settings.setValue( "/Raster/defaultBlueBand", spnBlue->value() );
+
+  if ( cboxContrastEnhancementAlgorithm->currentText() == tr( "No Stretch" ) )
+  {
+    settings.setValue( "/Raster/defaultContrastEnhancementAlgorithm", "NoEnhancement" );
+  }
+  else if ( cboxContrastEnhancementAlgorithm->currentText() == tr( "Stretch To MinMax" ) )
+  {
+    settings.setValue( "/Raster/defaultContrastEnhancementAlgorithm", "StretchToMinimumMaximum" );
+  }
+  else if ( cboxContrastEnhancementAlgorithm->currentText() == tr( "Stretch And Clip To MinMax" ) )
+  {
+    settings.setValue( "/Raster/defaultContrastEnhancementAlgorithm", "StretchAndClipToMinimumMaximum" );
+  }
+  else if ( cboxContrastEnhancementAlgorithm->currentText() == tr( "Clip To MinMax" ) )
+  {
+    settings.setValue( "/Raster/defaultContrastEnhancementAlgorithm", "ClipToMinimumMaximum" );
+  }
+
+  settings.setValue( "/Raster/useStandardDeviation", chkUseStandardDeviation->isChecked() );
+  settings.setValue( "/Raster/defaultStandardDeviation", spnThreeBandStdDev->value() );
+
+
   settings.setValue( "/Map/updateThreshold", spinBoxUpdateThreshold->value() );
   //check behaviour so default projection when new layer is added with no
   //projection defined...
diff --git a/src/app/qgsoptions.h b/src/app/qgsoptions.h
index 6839a5d0d78b..c6af54c73071 100644
--- a/src/app/qgsoptions.h
+++ b/src/app/qgsoptions.h
@@ -63,6 +63,8 @@ class QgsOptions : public QDialog, private Ui::QgsOptionsBase
 
     void fontSizeChanged( const QString &fontSize );
 
+    void toggleStandardDeviation( int );
+
     /**
      * Return the desired state of newly added layers. If a layer
      * is to be drawn when added to the map, this function returns
diff --git a/src/ui/qgsoptionsbase.ui b/src/ui/qgsoptionsbase.ui
index 4808cb3889b3..2e892fba7c41 100644
--- a/src/ui/qgsoptionsbase.ui
+++ b/src/ui/qgsoptionsbase.ui
@@ -67,7 +67,7 @@
             <x>0</x>
             <y>0</y>
             <width>761</width>
-            <height>819</height>
+            <height>766</height>
            </rect>
           </property>
           <layout class="QGridLayout" name="gridLayout">
@@ -830,7 +830,7 @@
              </layout>
             </widget>
            </item>
-           <item row="3" column="0">
+           <item row="4" column="0">
             <widget class="QGroupBox" name="groupBox_2">
              <property name="title">
               <string>SVG paths</string>
@@ -876,6 +876,79 @@
              </layout>
             </widget>
            </item>
+           <item row="3" column="0">
+            <widget class="QGroupBox" name="groupBox_14">
+             <property name="title">
+              <string>Rasters</string>
+             </property>
+             <layout class="QGridLayout" name="gridLayout_12">
+              <item row="0" column="0">
+               <widget class="QLabel" name="label_21">
+                <property name="text">
+                 <string>RGB band selection</string>
+                </property>
+               </widget>
+              </item>
+              <item row="0" column="3">
+               <widget class="QLabel" name="label_22">
+                <property name="text">
+                 <string>Red band</string>
+                </property>
+               </widget>
+              </item>
+              <item row="0" column="4">
+               <widget class="QSpinBox" name="spnRed"/>
+              </item>
+              <item row="0" column="5">
+               <widget class="QLabel" name="label_23">
+                <property name="text">
+                 <string>Green band</string>
+                </property>
+               </widget>
+              </item>
+              <item row="0" column="6">
+               <widget class="QSpinBox" name="spnGreen"/>
+              </item>
+              <item row="0" column="7">
+               <widget class="QLabel" name="label_24">
+                <property name="text">
+                 <string>Blue band</string>
+                </property>
+               </widget>
+              </item>
+              <item row="0" column="8">
+               <widget class="QSpinBox" name="spnBlue"/>
+              </item>
+              <item row="1" column="0" colspan="3">
+               <widget class="QCheckBox" name="chkUseStandardDeviation">
+                <property name="text">
+                 <string>Use standard deviation</string>
+                </property>
+               </widget>
+              </item>
+              <item row="2" column="0" colspan="2">
+               <widget class="QLabel" name="label_25">
+                <property name="text">
+                 <string>Contrast enchacement</string>
+                </property>
+               </widget>
+              </item>
+              <item row="1" column="6" colspan="3">
+               <widget class="QDoubleSpinBox" name="spnThreeBandStdDev">
+                <property name="maximum">
+                 <double>10.000000000000000</double>
+                </property>
+                <property name="singleStep">
+                 <double>0.100000000000000</double>
+                </property>
+               </widget>
+              </item>
+              <item row="2" column="6" colspan="3">
+               <widget class="QComboBox" name="cboxContrastEnhancementAlgorithm"/>
+              </item>
+             </layout>
+            </widget>
+           </item>
           </layout>
          </widget>
         </widget>
@@ -1274,8 +1347,8 @@
            <rect>
             <x>0</x>
             <y>0</y>
-            <width>761</width>
-            <height>573</height>
+            <width>781</width>
+            <height>741</height>
            </rect>
           </property>
           <layout class="QGridLayout" name="gridLayout_13">