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 "qgsoptionsdialogbase.h"
#include "ui_qgsrasterlayerpropertiesbase.h"
#include "qgsguiutils.h"
#include "qgshelp.h"
#include "qgsmaplayerstylemanager.h"
#include "qgsmaptoolemitpoint.h"
#include "qgis_gui.h"
#include "qgsresamplingutils.h"
#include "qgsrasterpipe.h"
#include "qgsexpressioncontextgenerator.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 GUI_EXPORT QgsRasterLayerProperties : public QgsOptionsDialogBase, 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 );
 
    QgsExpressionContext createExpressionContext() const override;
 
  protected slots:
    void optionsStackedWidget_CurrentChanged( int index ) override SIP_SKIP ;
 
  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 apply();
    void onCancel();
    void buttonBuildPyramids_clicked();
    void mCrsSelector_crsChanged( const QgsCoordinateReferenceSystem &crs );
 
    // Server properties
    void addMetadataUrl();
    void removeSelectedMetadataUrl();
 
    void updateGammaSpinBox( int value );
 
    void updateGammaSlider( double value );
 
    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;
 
    QStandardItemModel *mMetadataUrlModel = nullptr;
 
    QList<QgsMapLayerConfigWidget *> mLayerPropertiesPages;
 
    const QString TRSTRING_NOT_SET;
 
    QString mDefaultContrastEnhancementAlgorithm;
 
    double mDefaultStandardDeviation;
 
    int mDefaultRedBand;
    int mDefaultGreenBand;
    int mDefaultBlueBand;
 
    bool mGrayMinimumMaximumEstimated;
 
    bool mRGBMinimumMaximumEstimated;
 
    QgsRasterLayer *mRasterLayer = nullptr;
 
    QgsRasterRendererWidget *mRendererWidget = nullptr;
    QgsMetadataWidget *mMetadataWidget = nullptr;
 
    QgsRasterTransparencyWidget *mRasterTransparencyWidget = nullptr;
 
    QgsRasterLayerTemporalPropertiesWidget *mTemporalWidget = nullptr;
 
    bool rasterIsMultiBandColor();
 
    void updateInformationContent();
 
    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 );
 
    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;
    qreal mGradientWidth;
 
    QgsMapCanvas *mMapCanvas = nullptr;
 
    QgsRasterHistogramWidget *mHistogramWidget = nullptr;
 
    QVector<bool> mTransparencyToEdited;
 
    QgsMapLayerStyle mOldStyle;
 
    bool mDisableRenderTypeComboBoxCurrentIndexChanged = false;
 
    bool mMetadataFilled;
 
    void sync();
 
    QgsResamplingUtils mResamplingUtils;
 
    QgsProviderSourceWidget *mSourceWidget = nullptr;
 
    QgsWebView *mMetadataViewer = nullptr;
 
    QgsExpressionContext mContext;
 
    friend class QgsAppScreenShots;
 
    QgsCoordinateReferenceSystem mBackupCrs;
 
    QgsRasterAttributeTableWidget *mRasterAttributeTableWidget = nullptr;
};
#endif