qgsrasterlayerproperties.h

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/* **************************************************************************
                          qgsrasterlayerproperties.h  -  description
                             -------------------
    begin                : Sun Aug 11 2002
    copyright            : (C) 2002 by Tim Sutton
    email                : tim@linfiniti.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 QGSRASTERLAYERPROPERTIES_H
#define QGSRASTERLAYERPROPERTIES_H

#include "qgsoptionsdialogbase.h"
#include "ui_qgsrasterlayerpropertiesbase.h"
#include "qgsguiutils.h"
#include "qgshelp.h"
#include "qgsmaplayerstylemanager.h"
#include "qgsmaptoolemitpoint.h"
#include "qgis_gui.h"

class QgsPointXY;
class QgsMapLayer;
class QgsMapCanvas;
class QgsRasterLayer;
class QgsMetadataWidget;
class QgsRasterRenderer;
class QgsRasterRendererWidget;
class QgsRasterHistogramWidget;
class QgsWebView;


class GUI_EXPORT QgsRasterLayerProperties : public QgsOptionsDialogBase, private Ui::QgsRasterLayerPropertiesBase
{
    Q_OBJECT

  public:

#ifndef SIP_RUN
    enum StyleType
    {
      QML,
      SLD
    };
    Q_ENUM( StyleType )
#endif

    QgsRasterLayerProperties( QgsMapLayer *lyr, QgsMapCanvas *canvas, QWidget *parent = nullptr, Qt::WindowFlags = QgsGuiUtils::ModalDialogFlags );

  protected slots:
    void optionsStackedWidget_CurrentChanged( int index ) override SIP_SKIP ;

  private slots:

    void apply();
    void onCancel();
    void mLayerOrigNameLineEd_textEdited( const QString &text );
    void buttonBuildPyramids_clicked();
    void pbnAddValuesFromDisplay_clicked();
    void pbnAddValuesManually_clicked();
    void mCrsSelector_crsChanged( const QgsCoordinateReferenceSystem &crs );
    void pbnDefaultValues_clicked();
    void pbnExportTransparentPixelValues_clicked();
    void pbnImportTransparentPixelValues_clicked();
    void pbnRemoveSelectedRow_clicked();

    //void on_btnResetNull_clicked();

    void pixelSelected( const QgsPointXY &, const Qt::MouseButton & );



    void mRenderTypeComboBox_currentIndexChanged( int index );
    void loadDefaultStyle_clicked();
    void saveDefaultStyle_clicked();
    void loadStyle_clicked();
    void saveStyleAs_clicked();
    void restoreWindowModality();


    void loadMetadata();
    void saveMetadataAs();
    void saveDefaultMetadata();
    void loadDefaultMetadata();

    void showHelp();

    void mResetColorRenderingBtn_clicked();

    void toggleBuildPyramidsButton();

    void toggleSaturationControls( int grayscaleMode );

    void toggleColorizeControls( bool colorizeEnabled );

    void transparencyCellTextEdited( const QString &text );

    void aboutToShowStyleMenu();

    void syncToLayer();

    void urlClicked( const QUrl &url );

  private:
    QPushButton *mBtnStyle = nullptr;
    QPushButton *mBtnMetadata = nullptr;
    QAction *mActionLoadMetadata = nullptr;
    QAction *mActionSaveMetadataAs = nullptr;

    const QString TRSTRING_NOT_SET;

    QString mDefaultContrastEnhancementAlgorithm;

    double mDefaultStandardDeviation;

    int mDefaultRedBand;
    int mDefaultGreenBand;
    int mDefaultBlueBand;

    bool mGrayMinimumMaximumEstimated;

    bool mRGBMinimumMaximumEstimated;

    QgsRasterLayer *mRasterLayer = nullptr;

    //bool mRasterLayerIsInternal;

    QgsRasterRendererWidget *mRendererWidget = nullptr;
    QgsMetadataWidget *mMetadataWidget = nullptr;

    bool rasterIsMultiBandColor();

    void updateInformationContent();

    void setupTransparencyTable( int nBands );

    void populateTransparencyTable( QgsRasterRenderer *renderer );

    void setTransparencyCell( int row, int column, double value );
    void setTransparencyCellValue( int row, int column, double value );
    double transparencyCellValue( int row, int column );
    void setTransparencyToEdited( int row );
    void adjustTransparencyCellWidth( int row, int column );

    void setRendererWidget( const QString &rendererName );

    //TODO: we should move these gradient generators somewhere more generic
    //so they can be used generically throughout the app
    QLinearGradient greenGradient();
    QLinearGradient redGradient();
    QLinearGradient blueGradient();
    QLinearGradient grayGradient();
    QLinearGradient highlightGradient();
    qreal mGradientHeight;
    qreal mGradientWidth;

    QgsMapCanvas *mMapCanvas = nullptr;
    std::unique_ptr<QgsMapToolEmitPoint> mPixelSelectorTool;

    QgsRasterHistogramWidget *mHistogramWidget = nullptr;

    QVector<bool> mTransparencyToEdited;

    QgsMapLayerStyle mOldStyle;

    bool mDisableRenderTypeComboBoxCurrentIndexChanged = false;

    bool mMetadataFilled;

    void sync();

    friend class QgsAppScreenShots;
};
#endif