/usr/include/qgis/qgsrastertransparencywidget.h is in libqgis-dev 2.18.17+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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qgsrastertransparencywidget.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 QGSRASTERTRANSPARENCYWIDGET_H
#define QGSRASTERTRANSPARENCYWIDGET_H
#include <QWidget>
#include "ui_qgsrastertransparencywidget.h"
#include "qgsmaplayerconfigwidget.h"
class QgsRasterLayer;
class QgsRasterRenderer;
class QgsMapCanvas;
class QgsMapToolEmitPoint;
class QgsPoint;
/** \ingroup gui
* @brief Widget to control a layers transparency and related options
*/
class GUI_EXPORT QgsRasterTransparencyWidget : public QgsMapLayerConfigWidget, private Ui::QgsRasterTransparencyWidget
{
Q_OBJECT
public:
/**
* @brief Widget to control a layers transparency and related options
*/
QgsRasterTransparencyWidget( QgsRasterLayer* layer, QgsMapCanvas *canvas, QWidget *parent = 0 );
~QgsRasterTransparencyWidget();
public slots:
/**
* Sync the widget state to the layer set for the widget.
*/
void syncToLayer();
/**
* Apply any changes on the widget to the set layer.
*/
void apply();
private slots:
void pixelSelected( const QgsPoint& canvasPoint );
/** Transparency cell changed */
void transparencyCellTextEdited( const QString & text );
/** \brief slot executed when the transparency level changes. */
void sliderTransparency_valueChanged( int theValue );
/** \brief slot executed when user presses "Add Values From Display" button on the transparency page */
void on_pbnAddValuesFromDisplay_clicked();
/** \brief slot executed when user presses "Add Values Manually" button on the transparency page */
void on_pbnAddValuesManually_clicked();
/** \brief slot executed when user wishes to reset noNoDataValue and transparencyTable to default value */
void on_pbnDefaultValues_clicked();
/** \brief slot executed when user wishes to export transparency values */
void on_pbnExportTransparentPixelValues_clicked();
/** \brief slow executed when user wishes to import transparency values */
void on_pbnImportTransparentPixelValues_clicked();
/** \brief slot executed when user presses "Remove Selected Row" button on the transparency page */
void on_pbnRemoveSelectedRow_clicked();
private:
/** \brief A constant that signals property not used */
const QString TRSTRING_NOT_SET;
bool rasterIsMultiBandColor();
/** \brief Clear the current transparency table and populate the table with the correct types for current drawing mode and data type*/
void populateTransparencyTable( QgsRasterRenderer* renderer );
void setupTransparencyTable( int nBands );
void setTransparencyCell( int row, int column, double value );
void adjustTransparencyCellWidth( int row, int column );
void setTransparencyToEdited( int row );
double transparencyCellValue( int row, int column );
QgsRasterLayer* mRasterLayer;
QgsMapCanvas* mMapCanvas;
QgsMapToolEmitPoint* mPixelSelectorTool;
QVector<bool> mTransparencyToEdited;
};
#endif // QGSRASTERTRANSPARENCYWIDGET_H
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