QGIS API Documentation 3.27.0-Master (f261cc1f8b)
qgssinglebandpseudocolorrendererwidget.h
Go to the documentation of this file.
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
38class 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
59 void setFromRenderer( const QgsRasterRenderer *r );
60
61 QString min( int index = 0 ) override { Q_UNUSED( index ) return mMinLineEdit->text(); }
62 QString max( int index = 0 ) override { Q_UNUSED( index ) return mMaxLineEdit->text(); }
63 void setMin( const QString &value, int index = 0 ) override;
64 void setMax( const QString &value, int index = 0 ) override;
65 int selectedBand( int index = 0 ) override { Q_UNUSED( index ) return mBandComboBox->currentBand(); }
66
67 public slots:
69 void loadMinMax( int bandNo, double min, double max );
71 void loadMinMaxFromTree( double min, double max );
72
73 private slots:
74 void bandChanged();
75 void mMinLineEdit_textChanged( const QString & );
76 void mMaxLineEdit_textChanged( const QString & );
77 void mMinLineEdit_textEdited( const QString &text );
78 void mMaxLineEdit_textEdited( const QString &text );
79
80 private:
81 void setLineEditValue( QLineEdit *lineEdit, double value );
82 double lineEditValue( const QLineEdit *lineEdit ) const;
83
84 QgsRasterMinMaxWidget *mMinMaxWidget = nullptr;
85 int mMinMaxOrigin;
86
87 void minMaxModified();
88
89 // Convert min/max to localized display value with maximum precision for the current data type
90 QString displayValueWithMaxPrecision( const double value );
91
92 friend class TestQgsSingleBandPseudoColorRendererWidget;
93};
94
95#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 void setMax(const QString &value, int index=0)
virtual void setMin(const QString &value, int index=0)
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