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diagram
qgspiediagram.h
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/***************************************************************************
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qgspiediagram.h
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---------------------
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begin : March 2011
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copyright : (C) 2011 by Marco Hugentobler
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email : marco dot hugentobler at sourcepole dot ch
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef QGSPIEDIAGRAM_H
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#define QGSPIEDIAGRAM_H
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#define DIAGRAM_NAME_PIE "Pie"
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#include "
qgsdiagram.h
"
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#include "
qgsfeature.h
"
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#include <QPen>
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#include <QBrush>
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class
QPainter
;
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class
QPointF
;
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class
QgsDiagramSettings
;
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class
QgsDiagramInterpolationSettings
;
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class
QgsRenderContext
;
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class
CORE_EXPORT
QgsPieDiagram
:
public
QgsDiagram
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{
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public
:
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QgsPieDiagram
();
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~
QgsPieDiagram
();
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virtual
QgsDiagram
*
clone
()
const override
;
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void
renderDiagram
(
const
QgsFeature
& feature,
QgsRenderContext
& c,
const
QgsDiagramSettings
& s,
const
QPointF
& position )
override
;
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QSizeF
diagramSize
(
const
QgsAttributes
& attributes,
const
QgsRenderContext
& c,
const
QgsDiagramSettings
& s )
override
;
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QSizeF
diagramSize
(
const
QgsFeature
& feature,
const
QgsRenderContext
& c,
const
QgsDiagramSettings
& s,
const
QgsDiagramInterpolationSettings
& is )
override
;
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QString
diagramName
()
const override
{
return
DIAGRAM_NAME_PIE
; }
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private
:
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QBrush
mCategoryBrush;
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QPen
mPen;
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static
int
sCount;
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};
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#endif // QGSPIEDIAGRAM_H
qgsfeature.h
QBrush
QgsFeature
The feature class encapsulates a single feature including its id, geometry and a list of field/values...
Definition:
qgsfeature.h:176
QgsDiagram::renderDiagram
virtual Q_DECL_DEPRECATED void renderDiagram(const QgsAttributes &att, QgsRenderContext &c, const QgsDiagramSettings &s, const QPointF &position)
Definition:
qgsdiagram.cpp:123
QPointF
qgsdiagram.h
DIAGRAM_NAME_PIE
#define DIAGRAM_NAME_PIE
Definition:
qgspiediagram.h:18
QPainter
QgsPieDiagram
Definition:
qgspiediagram.h:32
QString
QgsDiagram::diagramSize
virtual QSizeF diagramSize(const QgsAttributes &attributes, const QgsRenderContext &c, const QgsDiagramSettings &s)=0
Returns the size in map units the diagram will use to render.
QgsDiagram
Base class for all diagram types.
Definition:
qgsdiagram.h:35
QgsDiagram::clone
virtual QgsDiagram * clone() const =0
Returns an instance that is equivalent to this one.
QgsDiagramInterpolationSettings
Definition:
qgsdiagramrendererv2.h:165
QgsRenderContext
Contains information about the context of a rendering operation.
Definition:
qgsrendercontext.h:42
QSizeF
QPen
QgsAttributes
A vector of attributes.
Definition:
qgsfeature.h:109
QgsPieDiagram::diagramName
QString diagramName() const override
Definition:
qgspiediagram.h:44
QgsDiagramSettings
Definition:
qgsdiagramrendererv2.h:88
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