[feature] Introduce stacked diagrams

python/PyQt6/core/auto_additions/qgsdiagramrenderer.py

@@ -64,6 +64,8 @@
 
 """
 # --
+QgsDiagramLayerSettings.Single = QgsDiagramLayerSettings.DiagramType.Single
+QgsDiagramLayerSettings.Stacked = QgsDiagramLayerSettings.DiagramType.Stacked
 QgsDiagramSettings.Height = QgsDiagramSettings.LabelPlacementMethod.Height
 QgsDiagramSettings.XHeight = QgsDiagramSettings.LabelPlacementMethod.XHeight
 QgsDiagramSettings.Up = QgsDiagramSettings.DiagramOrientation.Up
@@ -72,6 +74,8 @@
 QgsDiagramSettings.Right = QgsDiagramSettings.DiagramOrientation.Right
 QgsDiagramSettings.Clockwise = QgsDiagramSettings.Direction.Clockwise
 QgsDiagramSettings.Counterclockwise = QgsDiagramSettings.Direction.Counterclockwise
+QgsDiagramSettings.Horizontal = QgsDiagramSettings.StackedDiagramMode.Horizontal
+QgsDiagramSettings.Vertical = QgsDiagramSettings.StackedDiagramMode.Vertical
 try:
     QgsDiagramSettings.__attribute_docs__ = {'sizeType': 'Diagram size unit', 'sizeScale': 'Diagram size unit scale', 'lineSizeUnit': 'Line unit index', 'lineSizeScale': 'Line unit scale', 'opacity': 'Opacity, from 0 (transparent) to 1.0 (opaque)', 'rotationOffset': 'Rotation offset, in degrees clockwise from horizontal.', 'maximumScale': 'The maximum map scale (i.e. most "zoomed in" scale) at which the diagrams will be visible.\nThe scale value indicates the scale denominator, e.g. 1000.0 for a 1:1000 map.\nA scale of 0 indicates no maximum scale visibility.\n\n.. seealso:: :py:func:`minimumScale`', 'minimumScale': 'The minimum map scale (i.e. most "zoomed out" scale) at which the diagrams will be visible.\nThe scale value indicates the scale denominator, e.g. 1000.0 for a 1:1000 map.\nA scale of 0 indicates no minimum scale visibility.\n\n.. seealso:: :py:func:`maximumScale`', 'minimumSize': 'Scale diagrams smaller than mMinimumSize to mMinimumSize'}
 except NameError:

python/PyQt6/core/auto_additions/qgsstackeddiagram.py

@@ -0,0 +1,5 @@
+# The following has been generated automatically from src/core/diagram/qgsstackeddiagram.h
+try:
+    QgsStackedDiagram.__group__ = ['diagram']
+except NameError:
+    pass

python/PyQt6/core/auto_generated/diagram/qgsdiagram.sip.in

@@ -27,8 +27,10 @@ Base class for all diagram types.
       sipType = sipType_QgsHistogramDiagram;
     else if ( sipCpp->diagramName() == QLatin1String( "Text" ) )
       sipType = sipType_QgsTextDiagram;
-    else if ( sipCpp->diagramName() == QLatin1String( "Stacked" ) )
+    else if ( sipCpp->diagramName() == QLatin1String( "StackedBar" ) )
       sipType = sipType_QgsStackedBarDiagram;
+    else if ( sipCpp->diagramName() == QLatin1String( "Stacked" ) )
+      sipType = sipType_QgsStackedDiagram;
     else
       sipType = NULL;
 %End
@@ -107,7 +109,7 @@ Calculates a size to match the current settings and rendering context
 Calculates a length to match the current settings and rendering context
 
 :param l: The length to convert
-:param s: Unused
+:param s: The settings that specify the size type
 :param c: The rendering specifying the proper scale units for pixel conversion
 
 :return: The converted length for rendering

python/PyQt6/core/auto_generated/diagram/qgshistogramdiagram.sip.in

@@ -10,7 +10,6 @@
 
 
 
-
 class QgsHistogramDiagram: QgsDiagram /NoDefaultCtors/
 {
 %Docstring(signature="appended")
@@ -21,6 +20,7 @@ A histogram style diagram.
 #include "qgshistogramdiagram.h"
 %End
   public:
+
     QgsHistogramDiagram();
 
     virtual QgsHistogramDiagram *clone() const /Factory/;

python/PyQt6/core/auto_generated/diagram/qgspiediagram.sip.in

@@ -8,7 +8,6 @@
 
 
 
-
 class QgsPieDiagram: QgsDiagram /NoDefaultCtors/
 {
 %Docstring(signature="appended")
@@ -19,6 +18,7 @@ A pie chart diagram.
 #include "qgspiediagram.h"
 %End
   public:
+
     QgsPieDiagram();
 
     virtual QgsPieDiagram *clone() const /Factory/;

python/PyQt6/core/auto_generated/diagram/qgsstackedbardiagram.sip.in

@@ -10,7 +10,6 @@
 
 
 
-
 class QgsStackedBarDiagram: QgsDiagram /NoDefaultCtors/
 {
 %Docstring(signature="appended")
@@ -24,6 +23,7 @@ A stacked bar chart diagram.
 #include "qgsstackedbardiagram.h"
 %End
   public:
+
     QgsStackedBarDiagram();
 
     virtual QgsStackedBarDiagram *clone() const /Factory/;

python/PyQt6/core/auto_generated/diagram/qgsstackeddiagram.sip.in

@@ -0,0 +1,60 @@
+/************************************************************************
+ * This file has been generated automatically from                      *
+ *                                                                      *
+ * src/core/diagram/qgsstackeddiagram.h                                 *
+ *                                                                      *
+ * Do not edit manually ! Edit header and run scripts/sipify.py again   *
+ ************************************************************************/
+
+
+
+
+
+class QgsStackedDiagram : QgsDiagram /NoDefaultCtors/
+{
+%Docstring(signature="appended")
+A diagram composed of several subdiagrams, located side by side.
+
+.. versionadded:: 3.40
+%End
+
+%TypeHeaderCode
+#include "qgsstackeddiagram.h"
+%End
+  public:
+
+    QgsStackedDiagram();
+
+    virtual QgsStackedDiagram *clone() const /Factory/;
+
+
+    void subDiagramPosition( QPointF &newPos, const QgsRenderContext &c, const QgsDiagramSettings &s, const QgsDiagramSettings &subSettings );
+%Docstring
+Calculates the position for the next subdiagram, updating the ``newPos`` object.
+
+:param newPos: out: position of the previous diagram
+:param c: renderer context
+:param s: stacked diagram settings
+:param subSettings: previous subdiagram settings
+%End
+
+    virtual void renderDiagram( const QgsFeature &feature, QgsRenderContext &c, const QgsDiagramSettings &s, QPointF position );
+
+
+    virtual QSizeF diagramSize( const QgsAttributes &attributes, const QgsRenderContext &c, const QgsDiagramSettings &s );
+
+    virtual QSizeF diagramSize( const QgsFeature &feature, const QgsRenderContext &c, const QgsDiagramSettings &s, const QgsDiagramInterpolationSettings &is );
+
+    virtual double legendSize( double value, const QgsDiagramSettings &s, const QgsDiagramInterpolationSettings &is ) const;
+
+    virtual QString diagramName() const;
+
+};
+
+/************************************************************************
+ * This file has been generated automatically from                      *
+ *                                                                      *
+ * src/core/diagram/qgsstackeddiagram.h                                 *
+ *                                                                      *
+ * Do not edit manually ! Edit header and run scripts/sipify.py again   *
+ ************************************************************************/

python/PyQt6/core/auto_generated/diagram/qgstextdiagram.sip.in

@@ -8,7 +8,6 @@
 
 
 
-
 class QgsTextDiagram: QgsDiagram /NoDefaultCtors/
 {
 %Docstring(signature="appended")
@@ -19,6 +18,7 @@ A text based diagram.
 #include "qgstextdiagram.h"
 %End
   public:
+
     enum Shape /BaseType=IntEnum/
     {
       Circle,