qgsrasterlayerproperties.h

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/***************************************************************************
                          qgsrasterlayerproperties.h  -  description
                             -------------------
    begin                : Sun Aug 11 2002
    copyright            : (C) 2002 by Tim Sutton
    email                : [email protected]
 ***************************************************************************/
 
/***************************************************************************
 *                                                                         *
 *   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 "ui_qgsrasterlayerpropertiesbase.h"
 
#include "qgis_gui.h"
#include "qgsexpressioncontextgenerator.h"
#include "qgsguiutils.h"
#include "qgslayerpropertiesdialog.h"
#include "qgsrasterpipe.h"
#include "qgsresamplingutils.h"
 
class QgsPointXY;
class QgsMapLayer;
class QgsMapCanvas;
class QgsRasterLayer;
class QgsMetadataWidget;
class QgsRasterRenderer;
class QgsRasterRendererWidget;
class QgsRasterHistogramWidget;
class QgsRasterLayerTemporalPropertiesWidget;
class QgsWebView;
class QgsProviderSourceWidget;
class QgsMapLayerConfigWidgetFactory;
class QgsMapLayerConfigWidget;
class QgsPropertyOverrideButton;
class QgsRasterTransparencyWidget;
class QgsRasterAttributeTableWidget;
class QgsWebView;
class QgsRasterLabelingWidget;

class GUI_EXPORT QgsRasterLayerProperties : public QgsLayerPropertiesDialog, private Ui::QgsRasterLayerPropertiesBase, private QgsExpressionContextGenerator
{
    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 );
 
    void addPropertiesPageFactory( const QgsMapLayerConfigWidgetFactory *factory ) final;
 
    QgsExpressionContext createExpressionContext() const override;
 
    bool eventFilter( QObject *obj, QEvent *ev ) override;

    Q_DECL_DEPRECATED void saveDefaultStyle() SIP_DEPRECATED;
 
  protected slots:
    void optionsStackedWidget_CurrentChanged( int index ) final;
    void apply() final;
    void rollback() final;
 
  private:
    // TODO -- consider moving these to a common raster widget base class

    void initializeDataDefinedButton( QgsPropertyOverrideButton *button, QgsRasterPipe::Property key );

    void updateDataDefinedButtons();

    void updateDataDefinedButton( QgsPropertyOverrideButton *button );

    QgsPropertyCollection mPropertyCollection;
 
  private slots:
 
    void updateProperty();

    void buttonBuildPyramids_clicked();
    void mCrsSelector_crsChanged( const QgsCoordinateReferenceSystem &crs );

    void updateGammaSpinBox( int value );

    void updateGammaSlider( double value );
 
    void mRenderTypeComboBox_currentIndexChanged( int index );
    void restoreWindowModality();

    void showHelp();

    void mResetColorRenderingBtn_clicked();

    void toggleBuildPyramidsButton();

    void toggleSaturationControls( int grayscaleMode );

    void toggleColorizeControls( bool colorizeEnabled );
 
    void aboutToShowStyleMenu();

    void syncToLayer() final;
 
    // Update the preview of the map tip
    void updateMapTipPreview();
    // Resize the map tip preview
    void resizeMapTip();
 
  private:
    QAction *mActionLoadMetadata = nullptr;
    QAction *mActionSaveMetadataAs = nullptr;

    const QString TRSTRING_NOT_SET;

    QString mDefaultContrastEnhancementAlgorithm;

    double mDefaultStandardDeviation = 0;

    int mDefaultRedBand = 0;
    int mDefaultGreenBand = 0;
    int mDefaultBlueBand = 0;

    bool mGrayMinimumMaximumEstimated;

    bool mRGBMinimumMaximumEstimated;

    QgsRasterLayer *mRasterLayer = nullptr;
 
    QgsRasterRendererWidget *mRendererWidget = nullptr;
    QgsMetadataWidget *mMetadataWidget = nullptr;
 
    QgsRasterTransparencyWidget *mRasterTransparencyWidget = nullptr;
 
    QgsRasterLabelingWidget *mLabelingWidget = nullptr;

    QgsRasterLayerTemporalPropertiesWidget *mTemporalWidget = nullptr;
 
    bool rasterIsMultiBandColor();

    void updateInformationContent();
 
    void setRendererWidget( const QString &rendererName );

    void updateRasterAttributeTableOptionsPage();
 
    //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 = 0.0;
    qreal mGradientWidth = 0.0;
 
    QgsRasterHistogramWidget *mHistogramWidget = nullptr;
 
    bool mDisableRenderTypeComboBoxCurrentIndexChanged = false;
 
    bool mMetadataFilled = false;

    void sync();
 
    QgsResamplingUtils mResamplingUtils;
 
    QgsProviderSourceWidget *mSourceWidget = nullptr;
 
    QgsWebView *mMetadataViewer = nullptr;
 
    QgsExpressionContext mContext;
 
    friend class QgsAppScreenShots;
 
    QgsCoordinateReferenceSystem mBackupCrs;
 
    QgsRasterAttributeTableWidget *mRasterAttributeTableWidget = nullptr;
 
    void initMapTipPreview();
 
    QgsWebView *mMapTipPreview = nullptr;
};
#endif