QGIS API Documentation
2.14.0-Essen
Main Page
Related Pages
Modules
Namespaces
Classes
Files
File List
File Members
src
core
diagram
qgshistogramdiagram.h
Go to the documentation of this file.
1
/***************************************************************************
2
qgshistogramdiagram.h
3
---------------------
4
begin : August 2012
5
copyright : (C) 2012 by Matthias Kuhn
6
email : matthias at opengis dot ch
7
***************************************************************************
8
* *
9
* This program is free software; you can redistribute it and/or modify *
10
* it under the terms of the GNU General Public License as published by *
11
* the Free Software Foundation; either version 2 of the License, or *
12
* (at your option) any later version. *
13
* *
14
***************************************************************************/
15
16
#ifndef QGSHISTOGRAMDIAGRAM_H
17
#define QGSHISTOGRAMDIAGRAM_H
18
19
#define DIAGRAM_NAME_HISTOGRAM "Histogram"
20
21
#include "
qgsdiagram.h
"
22
#include "
qgsfeature.h
"
23
#include <QPen>
24
#include <QBrush>
25
26
class
QPainter
;
27
class
QPointF
;
28
class
QgsDiagramSettings
;
29
class
QgsDiagramInterpolationSettings
;
30
31
class
QgsRenderContext
;
32
33
34
class
CORE_EXPORT
QgsHistogramDiagram
:
public
QgsDiagram
35
{
36
public
:
37
QgsHistogramDiagram
();
38
~
QgsHistogramDiagram
();
39
40
virtual
QgsHistogramDiagram
*
clone
()
const override
;
41
42
void
renderDiagram
(
const
QgsFeature
& feature,
QgsRenderContext
& c,
const
QgsDiagramSettings
& s,
QPointF
position )
override
;
43
44
QSizeF
diagramSize
(
const
QgsAttributes
& attributes,
const
QgsRenderContext
& c,
const
QgsDiagramSettings
& s )
override
;
45
QSizeF
diagramSize
(
const
QgsFeature
& feature,
const
QgsRenderContext
& c,
const
QgsDiagramSettings
& s,
const
QgsDiagramInterpolationSettings
& is )
override
;
46
QString
diagramName
()
const override
{
return
DIAGRAM_NAME_HISTOGRAM
; }
47
48
private
:
49
QBrush
mCategoryBrush;
50
QPen
mPen;
51
double
mScaleFactor;
52
};
53
54
55
#endif // QGSHISTOGRAMDIAGRAM_H
qgsfeature.h
QBrush
DIAGRAM_NAME_HISTOGRAM
#define DIAGRAM_NAME_HISTOGRAM
Definition:
qgshistogramdiagram.h:19
QgsHistogramDiagram
Definition:
qgshistogramdiagram.h:34
QgsFeature
The feature class encapsulates a single feature including its id, geometry and a list of field/values...
Definition:
qgsfeature.h:187
QPointF
QgsHistogramDiagram::diagramName
QString diagramName() const override
Definition:
qgshistogramdiagram.h:46
qgsdiagram.h
QPainter
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:172
QgsRenderContext
Contains information about the context of a rendering operation.
Definition:
qgsrendercontext.h:44
QSizeF
QgsDiagram::renderDiagram
virtual Q_DECL_DEPRECATED void renderDiagram(const QgsAttributes &att, QgsRenderContext &c, const QgsDiagramSettings &s, QPointF position)
Definition:
qgsdiagram.cpp:123
QPen
QgsAttributes
A vector of attributes.
Definition:
qgsfeature.h:115
QgsDiagramSettings
Definition:
qgsdiagramrendererv2.h:95
Generated on Sat Feb 27 2016 18:33:25 for QGIS API Documentation by
1.8.11