/usr/include/qgis/qgshillshaderendererwidget.h is in libqgis-dev 2.18.17+dfsg-1.
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qgshillshaderendererwidget.h
---------------------------------
begin : May 2016
copyright : (C) 2016 by Nathan Woodrow
email : woodrow dot nathan at gmail dot com
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#ifndef QGSHILLSHADERENDERERWIDGET_H
#define QGSHILLSHADERENDERERWIDGET_H
#include "ui_qgshillshaderendererwidget.h"
#include <QDoubleSpinBox>
#include "qgsrasterminmaxwidget.h"
#include "qgsrasterrendererwidget.h"
/**
* @brief Renderer widget for the hill shade renderer.
* @ingroup gui
* @note added in QGIS 2.16
*/
class GUI_EXPORT QgsHillshadeRendererWidget: public QgsRasterRendererWidget, private Ui::QgsHillShadeWidget
{
Q_OBJECT
public:
/**
* @brief Renderer widget for the hill shade renderer.
* @param layer The layer attached for this widget.
* @param extent The current extent.
*/
QgsHillshadeRendererWidget( QgsRasterLayer* layer, const QgsRectangle &extent = QgsRectangle() );
~QgsHillshadeRendererWidget();
/**
* Factory method to create the renderer for this type.
*/
static QgsRasterRendererWidget* create( QgsRasterLayer* layer, const QgsRectangle &theExtent ) { return new QgsHillshadeRendererWidget( layer, theExtent ); }
/**
* @brief The renderer for the widget.
* @return A new renderer for the the config in the widget
*/
QgsRasterRenderer* renderer() override;
/**
* @brief Set the widget state from the given renderer.
* @param renderer The renderer to take the state from.
*/
void setFromRenderer( const QgsRasterRenderer* renderer );
/**
* Returns the direction of the light over the raster between 0-360.
* @see setAzimuth()
*/
double azimuth() const;
/** Returns the angle of the light source over the raster.
* @see setAltitude()
*/
double altitude() const;
/** Returns the Z scaling factor.
* @see setZFactor()
*/
double zFactor() const;
/**
* Returns true if the renderer should use the multi-directional hillshade algorithm.
* @see setMultiDirectional()
*/
bool multiDirectional() const;
public slots:
/**
* @brief Set the altitude of the light source
* @param altitude the altitude
* @see altitude()
*/
void setAltitude( double altitude );
/**
* @brief Set the azimuth of the light source.
* @param azimuth The azimuth of the light source, between 0 and 360.0
* @see azimuth()
*/
void setAzimuth( double azimuth );
/**
* @brief Set the Z scaling factor of the result image.
* @param zfactor The z factor
* @see zFactor()
*/
void setZFactor( double zfactor );
/** Sets whether to render using a multi-directional hillshade algorithm.
* @param isMultiDirectional set to true to use multi directional rendering
* @see multiDirectional()
*/
void setMultiDirectional( bool isMultiDirectional );
private slots:
void on_mLightAzimuth_updated( double value );
void on_mLightAzimuthDail_updated( int value );
};
#endif // QGSSINGLEBANDGRAYRENDERERWIDGET_H
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