mirror of
https://github.com/qgis/QGIS.git
synced 2025-10-31 00:06:02 -04:00
56 lines
2.2 KiB
Plaintext
56 lines
2.2 KiB
Plaintext
class QgsRasterHistogramWidget : QWidget
|
|
{
|
|
%TypeHeaderCode
|
|
#include <qgsrasterhistogramwidget.h>
|
|
%End
|
|
public:
|
|
QgsRasterHistogramWidget( QgsRasterLayer *lyr, QWidget *parent = 0 );
|
|
~QgsRasterHistogramWidget();
|
|
|
|
/** Save the histogram as an image to disk */
|
|
bool histoSaveAsImage( const QString& theFilename, int width = 600, int height = 600, int quality = -1 );
|
|
|
|
/** Set the renderer widget (or just its name if there is no widget) */
|
|
void setRendererWidget( const QString& name, QgsRasterRendererWidget* rendererWidget = NULL );
|
|
|
|
/** Activate the histogram widget */
|
|
void setActive( bool theActiveFlag );
|
|
|
|
/** \brief Compute the histogram on demand. */
|
|
bool computeHistogram( bool forceComputeFlag );
|
|
|
|
/** Apply a histoActionTriggered() event. */
|
|
void histoAction( const QString actionName, bool actionFlag = true );
|
|
|
|
/** Apply a histoActionTriggered() event. */
|
|
void setSelectedBand( int index );
|
|
|
|
public slots:
|
|
/** \brief slot executed when user wishes to refresh raster histogramwidget */
|
|
void refreshHistogram();
|
|
/** This slot lets you save the histogram as an image to disk */
|
|
void on_mSaveAsImageButton_clicked();
|
|
|
|
private slots:
|
|
/** Used when the histogram band selector changes, or when tab is loaded. */
|
|
void on_cboHistoBand_currentIndexChanged( int );
|
|
/** Applies the selected min/max values to the renderer widget. */
|
|
void applyHistoMin( );
|
|
void applyHistoMax( );
|
|
/** Button to activate picking of the min/max value on the graph. */
|
|
void on_btnHistoMin_toggled();
|
|
void on_btnHistoMax_toggled();
|
|
/** Called when a selection has been made using the plot picker. */
|
|
void histoPickerSelected( const QPointF & );
|
|
/** Called when a selection has been made using the plot picker (for qwt5 only).
|
|
@note not available in python bindings
|
|
*/
|
|
// void histoPickerSelectedQwt5( const QwtDoublePoint & );
|
|
/** Various actions that are stored in btnHistoActions. */
|
|
void histoActionTriggered( QAction* );
|
|
/** Draw the min/max markers on the histogram plot. */
|
|
void updateHistoMarkers();
|
|
/** Button to compute the histogram, appears when no cached histogram is available. */
|
|
void on_btnHistoCompute_clicked();
|
|
};
|