QGIS API Documentation
3.16.0-Hannover (43b64b13f3)
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Histogram widget. More...
#include <qgsrasterhistogramwidget.h>
Public Slots | |
void | apply () override |
void | refreshHistogram () |
slot executed when user wishes to refresh raster histogramwidget More... | |
Public Slots inherited from QgsMapLayerConfigWidget | |
virtual void | apply ()=0 |
Called when changes to the layer need to be made. More... | |
Public Slots inherited from QgsPanelWidget | |
void | acceptPanel () |
Accept the panel. More... | |
void | openPanel (QgsPanelWidget *panel) |
Open a panel or dialog depending on dock mode setting If dock mode is true this method will emit the showPanel signal for connected slots to handle the open event. More... | |
Public Member Functions | |
QgsRasterHistogramWidget (QgsRasterLayer *layer, QWidget *parent=nullptr) | |
Constructor for QgsRasterHistogramWidget, for the specified raster layer. More... | |
bool | computeHistogram (bool forceComputeFlag) |
Compute the histogram on demand. More... | |
void | histoAction (const QString &actionName, bool actionFlag=true) |
Apply a histoActionTriggered() event. More... | |
bool | histoSaveAsImage (const QString &filename, int width=600, int height=600, int quality=-1) |
Save the histogram as an image to disk. More... | |
void | setActive (bool activeFlag) |
Activate the histogram widget. More... | |
void | setRendererWidget (const QString &name, QgsRasterRendererWidget *rendererWidget=nullptr) |
Sets the renderer widget (or just its name if there is no widget) More... | |
void | setSelectedBand (int index) |
Apply a histoActionTriggered() event. More... | |
Public Member Functions inherited from QgsMapLayerConfigWidget | |
QgsMapLayerConfigWidget (QgsMapLayer *layer, QgsMapCanvas *canvas, QWidget *parent=nullptr) | |
A panel widget that can be shown in the map style dock. More... | |
virtual bool | shouldTriggerLayerRepaint () const |
Whether this config widget changes map layer properties in a way that triggerRepaint() should be called for the layer after applying changes. More... | |
virtual void | syncToLayer (QgsMapLayer *layer) |
Reset to original (vector layer) values. More... | |
Public Member Functions inherited from QgsPanelWidget | |
QgsPanelWidget (QWidget *parent=nullptr) | |
Base class for any widget that can be shown as a inline panel. More... | |
bool | autoDelete () |
The the auto delete property on the widget. More... | |
void | connectChildPanel (QgsPanelWidget *panel) |
Connect the given sub panel widgets showPanel signals to this current panels main showPanel event to bubble up to the user. More... | |
void | connectChildPanels (const QList< QgsPanelWidget * > &panels) |
Connect the given sub panel widgets showPanel signals to this current panels main showPanel event to bubble up to the user. More... | |
bool | dockMode () |
Returns the dock mode state. More... | |
virtual QMenu * | menuButtonMenu () |
Returns the menu to use for the menu button for this panel, or nullptr if no menu button is required. More... | |
virtual QString | menuButtonTooltip () const |
Returns the (translated) tooltip text to use for the menu button for this panel. More... | |
QString | panelTitle () |
The title of the panel. More... | |
void | setAutoDelete (bool autoDelete) |
The the auto delete property on the widget. More... | |
virtual void | setDockMode (bool dockMode) |
Set the widget in dock mode which tells the widget to emit panel widgets and not open dialogs. More... | |
void | setPanelTitle (const QString &panelTitle) |
Set the title of the panel when shown in the interface. More... | |
Additional Inherited Members | |
Signals inherited from QgsPanelWidget | |
void | panelAccepted (QgsPanelWidget *panel) |
Emitted when the panel is accepted by the user. More... | |
void | showPanel (QgsPanelWidget *panel) |
Emit when you require a panel to be show in the interface. More... | |
void | widgetChanged () |
Emitted when the widget state changes. More... | |
Static Public Member Functions inherited from QgsPanelWidget | |
static QgsPanelWidget * | findParentPanel (QWidget *widget) |
Traces through the parents of a widget to find if it is contained within a QgsPanelWidget widget. More... | |
Protected Member Functions inherited from QgsPanelWidget | |
void | keyPressEvent (QKeyEvent *event) override |
Overridden key press event to handle the esc event on the widget. More... | |
Protected Attributes inherited from QgsMapLayerConfigWidget | |
QgsMapLayer * | mLayer = nullptr |
QgsMapCanvas * | mMapCanvas = nullptr |
Histogram widget.
Definition at line 41 of file qgsrasterhistogramwidget.h.
QgsRasterHistogramWidget::QgsRasterHistogramWidget | ( | QgsRasterLayer * | layer, |
QWidget * | parent = nullptr |
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Constructor for QgsRasterHistogramWidget, for the specified raster layer.
Definition at line 54 of file qgsrasterhistogramwidget.cpp.
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overrideslot |
Definition at line 1236 of file qgsrasterhistogramwidget.cpp.
bool QgsRasterHistogramWidget::computeHistogram | ( | bool | forceComputeFlag | ) |
Compute the histogram on demand.
Definition at line 327 of file qgsrasterhistogramwidget.cpp.
void QgsRasterHistogramWidget::histoAction | ( | const QString & | actionName, |
bool | actionFlag = true |
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Apply a histoActionTriggered() event.
Definition at line 762 of file qgsrasterhistogramwidget.cpp.
bool QgsRasterHistogramWidget::histoSaveAsImage | ( | const QString & | filename, |
int | width = 600 , |
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int | height = 600 , |
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int | quality = -1 |
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Save the histogram as an image to disk.
Definition at line 691 of file qgsrasterhistogramwidget.cpp.
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slot |
slot executed when user wishes to refresh raster histogramwidget
Definition at line 375 of file qgsrasterhistogramwidget.cpp.
void QgsRasterHistogramWidget::setActive | ( | bool | activeFlag | ) |
Activate the histogram widget.
Definition at line 255 of file qgsrasterhistogramwidget.cpp.
void QgsRasterHistogramWidget::setRendererWidget | ( | const QString & | name, |
QgsRasterRendererWidget * | rendererWidget = nullptr |
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Sets the renderer widget (or just its name if there is no widget)
Definition at line 247 of file qgsrasterhistogramwidget.cpp.
void QgsRasterHistogramWidget::setSelectedBand | ( | int | index | ) |
Apply a histoActionTriggered() event.
Definition at line 725 of file qgsrasterhistogramwidget.cpp.