Change some remaining alpha/transparency strings to opacity

python/core/qgscolorramp.sip

@@ -246,11 +246,11 @@ Creates a new QgsColorRamp from a map of properties
 .. seealso:: info()
 %End
 
-    void addStopsToGradient( QGradient *gradient, double alpha = 1 );
+    void addStopsToGradient( QGradient *gradient, double opacity = 1 );
 %Docstring
  Copy color ramp stops to a QGradient
  \param gradient gradient to copy stops into
- \param alpha alpha multiplier. Opacity of colors will be multiplied
+ \param opacity opacity multiplier. Opacity of colors will be multiplied
  by this factor before adding to the gradient.
 .. versionadded:: 2.1
 %End

python/gui/symbology-ng/qgsrendererwidget.sip

@@ -57,7 +57,7 @@ class QgsRendererWidget : QgsPanelWidget
     /** Change color of selected symbols*/
     void changeSymbolColor();
     /** Change opacity of selected symbols*/
-    void changeSymbolTransparency();
+    void changeSymbolOpacity();
     /** Change units mm/map units of selected symbols*/
     void changeSymbolUnit();
     /** Change line widths of selected symbols*/

src/core/composer/qgscomposeritem.h

@@ -378,7 +378,7 @@ class CORE_EXPORT QgsComposerItem: public QgsComposerObject, public QGraphicsRec
      * \param opacity double between 1.0 (opaque) and 0 (transparent).
      * \see itemOpacity()
      */
-    void setItemOpacity( const double itemOpacity );
+    void setItemOpacity( const double opacity );
 
     /** Returns whether effects (e.g., blend modes) are enabled for the item
      * \returns true if effects are enabled

src/core/qgscolorramp.cpp

@@ -275,15 +275,15 @@ void QgsGradientColorRamp::setStops( const QgsGradientStopsList &stops )
   std::sort( mStops.begin(), mStops.end(), stopLessThan );
 }
 
-void QgsGradientColorRamp::addStopsToGradient( QGradient *gradient, double alpha )
+void QgsGradientColorRamp::addStopsToGradient( QGradient *gradient, double opacity )
 {
   //copy color ramp stops to a QGradient
   QColor color1 = mColor1;
   QColor color2 = mColor2;
-  if ( alpha < 1 )
+  if ( opacity < 1 )
   {
-    color1.setAlpha( color1.alpha() * alpha );
-    color2.setAlpha( color2.alpha() * alpha );
+    color1.setAlpha( color1.alpha() * opacity );
+    color2.setAlpha( color2.alpha() * opacity );
   }
   gradient->setColorAt( 0, color1 );
   gradient->setColorAt( 1, color2 );
@@ -292,9 +292,9 @@ void QgsGradientColorRamp::addStopsToGradient( QGradient *gradient, double alpha
         it != mStops.constEnd(); ++it )
   {
     QColor rampColor = it->color;
-    if ( alpha < 1 )
+    if ( opacity < 1 )
     {
-      rampColor.setAlpha( rampColor.alpha() * alpha );
+      rampColor.setAlpha( rampColor.alpha() * opacity );
     }
     gradient->setColorAt( it->offset, rampColor );
   }

src/core/qgscolorramp.h

@@ -226,11 +226,11 @@ class CORE_EXPORT QgsGradientColorRamp : public QgsColorRamp
 
     /** Copy color ramp stops to a QGradient
      * \param gradient gradient to copy stops into
-     * \param alpha alpha multiplier. Opacity of colors will be multiplied
+     * \param opacity opacity multiplier. Opacity of colors will be multiplied
      * by this factor before adding to the gradient.
      * \since QGIS 2.1
      */
-    void addStopsToGradient( QGradient *gradient, double alpha = 1 );
+    void addStopsToGradient( QGradient *gradient, double opacity = 1 );
 
   protected:
     QColor mColor1;

src/gui/qgsgradientcolorrampdialog.cpp

@@ -125,7 +125,7 @@ QgsGradientColorRampDialog::QgsGradientColorRampDialog( const QgsGradientColorRa
   mSaturationCurve->attach( mPlot );
 
   mAlphaCurve = new QwtPlotCurve();
-  mAlphaCurve->setTitle( QStringLiteral( "Alpha" ) );
+  mAlphaCurve->setTitle( QStringLiteral( "Opacity" ) );
   mAlphaCurve->setPen( QPen( QColor( 50, 50, 50 ), 0.0 ) ),
               mAlphaCurve->setRenderHint( QwtPlotItem::RenderAntialiased, true );
   mAlphaCurve->attach( mPlot );

src/ui/qgsgradientcolorrampdialogbase.ui

@@ -148,7 +148,7 @@
         <x>0</x>
         <y>0</y>
         <width>850</width>
-        <height>494</height>
+        <height>492</height>
        </rect>
       </property>
       <layout class="QVBoxLayout" name="verticalLayout_2" stretch="0,1">
@@ -280,7 +280,7 @@
             <item>
              <widget class="QCheckBox" name="mPlotAlphaCheckbox">
               <property name="text">
-               <string>Alpha</string>
+               <string>Opacity</string>
               </property>
              </widget>
             </item>
@@ -336,18 +336,18 @@
    <header>qgsscrollarea.h</header>
    <container>1</container>
   </customwidget>
-  <customwidget>
-   <class>QgsColorButton</class>
-   <extends>QToolButton</extends>
-   <header>qgscolorbutton.h</header>
-   <container>1</container>
-  </customwidget>
   <customwidget>
    <class>QgsCollapsibleGroupBox</class>
    <extends>QGroupBox</extends>
    <header>qgscollapsiblegroupbox.h</header>
    <container>1</container>
   </customwidget>
+  <customwidget>
+   <class>QgsColorButton</class>
+   <extends>QToolButton</extends>
+   <header>qgscolorbutton.h</header>
+   <container>1</container>
+  </customwidget>
   <customwidget>
    <class>QgsDoubleSpinBox</class>
    <extends>QDoubleSpinBox</extends>