qgsrasterminmaxwidget.h

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/***************************************************************************
                         qgsrasterminmaxwidget.h
                         ---------------------------------
    begin                : July 2012
    copyright            : (C) 2012 by Radim Blazek
    email                : radim dot blazek 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 QGSRASTERMINMAXWIDGET_H
#define QGSRASTERMINMAXWIDGET_H

#include "ui_qgsrasterminmaxwidgetbase.h"
#include "qgsrasterlayer.h"
#include "qgsrectangle.h"

class QgsMapCanvas;

class GUI_EXPORT QgsRasterMinMaxWidget: public QWidget, private Ui::QgsRasterMinMaxWidgetBase
{
    Q_OBJECT
  public:
    QgsRasterMinMaxWidget( QgsRasterLayer* theLayer, QWidget *parent = nullptr );
    ~QgsRasterMinMaxWidget();

    void setExtent( const QgsRectangle & theExtent ) { mExtent = theExtent; }

    void setMapCanvas( QgsMapCanvas* canvas );

    QgsMapCanvas* mapCanvas();

    void setBands( const QList<int> & theBands ) { mBands = theBands; }

    QgsRectangle extent();

    int sampleSize() { return cboAccuracy->currentIndex() == 0 ? 250000 : 0; }

    // Load programmaticaly with current values
    void load() { on_mLoadPushButton_clicked(); }

  signals:
    void load( int theBandNo, double theMin, double theMax, int origin );

  private slots:
    void on_mLoadPushButton_clicked();

  private:
    QgsRasterLayer* mLayer;
    QList<int> mBands;
    QgsRectangle mExtent;

    QgsMapCanvas* mCanvas;
};

#endif // QGSRASTERMINMAXWIDGET_H