QGIS API Documentation  3.23.0-Master (4fd2f04bd0)
qgssinglebandpseudocolorrendererwidget.h
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1 /***************************************************************************
2  qgssinglebandpseudocolorrendererwidget.h
3  ----------------------------------------
4  begin : February 2012
5  copyright : (C) 2012 by Marco Hugentobler
6  email : marco at sourcepole dot ch
7  ***************************************************************************/
8 
9 /***************************************************************************
10  * *
11  * This program is free software; you can redistribute it and/or modify *
12  * it under the terms of the GNU General Public License as published by *
13  * the Free Software Foundation; either version 2 of the License, or *
14  * (at your option) any later version. *
15  * *
16  ***************************************************************************/
17 
18 #ifndef QGSSINGLEBANDCOLORRENDERERWIDGET_H
19 #define QGSSINGLEBANDCOLORRENDERERWIDGET_H
20 
22 #include "qgis_sip.h"
23 #include "qgscolorrampshader.h"
24 #include "qgsrasterrenderer.h"
25 #include "ui_qgssinglebandpseudocolorrendererwidgetbase.h"
26 #include "qgis_gui.h"
27 
29 
38 class GUI_EXPORT QgsSingleBandPseudoColorRendererWidget: public QgsRasterRendererWidget, private Ui::QgsSingleBandPseudoColorRendererWidgetBase
39 {
40 
41  Q_OBJECT
42 
43  public:
44 
47 
49  static QgsRasterRendererWidget *create( QgsRasterLayer *layer, const QgsRectangle &extent ) SIP_FACTORY { return new QgsSingleBandPseudoColorRendererWidget( layer, extent ); }
50 
52  void setMapCanvas( QgsMapCanvas *canvas ) override;
53  void doComputations() override;
54  QgsRasterMinMaxWidget *minMaxWidget() override;
55 
57  int currentBand() const;
58 
62  void setFromRenderer( const QgsRasterRenderer *r );
63 
64  public slots:
66  void loadMinMax( int bandNo, double min, double max );
68  void loadMinMaxFromTree( double min, double max );
69 
70  private slots:
71  void bandChanged();
72  void mMinLineEdit_textChanged( const QString & );
73  void mMaxLineEdit_textChanged( const QString & );
74  void mMinLineEdit_textEdited( const QString &text );
75  void mMaxLineEdit_textEdited( const QString &text );
76 
77  private:
78  void setLineEditValue( QLineEdit *lineEdit, double value );
79  double lineEditValue( const QLineEdit *lineEdit ) const;
80 
81  QgsRasterMinMaxWidget *mMinMaxWidget = nullptr;
82  int mMinMaxOrigin;
83 
84  void minMaxModified();
85 
86  // Convert min/max to localized display value with maximum precision for the current data type
87  QString displayValueWithMaxPrecision( const double value );
88 
89  friend class TestQgsSingleBandPseudoColorRendererWidget;
90 };
91 
92 #endif // QGSSINGLEBANDCOLORRENDERERWIDGET_H
Map canvas is a class for displaying all GIS data types on a canvas.
Definition: qgsmapcanvas.h:90
Represents a raster layer.
Abstract base class for widgets which configure a QgsRasterRenderer.
virtual QgsRasterRenderer * renderer()=0
Creates a new renderer, using the properties defined in the widget.
Raster renderer pipe that applies colors to a raster.
A rectangle specified with double values.
Definition: qgsrectangle.h:42
Single band pseudo color renderer widget consists of a color ramp shader widget, a raster min max wid...
static QgsRasterRendererWidget * create(QgsRasterLayer *layer, const QgsRectangle &extent)
Creates new raster renderer widget.
#define SIP_FACTORY
Definition: qgis_sip.h:76