qgslayerrenderingsettings.h

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/***************************************************************************
  qgslayerrenderingsettings.h
  --------------------------------------
  Date                 : July 2026
  Copyright            : (C) 2026 by Damiano Lombardi
  Email                : damiano at opengis dot ch
 ***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/
 

class CORE_EXPORT QgsLayerRenderingSettings
{
  public:
    void setLayerOpacity( double opacity ) { mLayerOpacity = opacity; }

    bool hasLayerOpacity() const { return mLayerOpacity.has_value(); }

    double layerOpacity() const { return mLayerOpacity.value_or( 1.0 ); }

    void setMinimumScale( double scale ) { mMinimumScale = scale; }

    bool hasMinimumScale() const { return mMinimumScale.has_value(); }

    double minimumScale() const { return mMinimumScale.value_or( 0 ); }

    void setMaximumScale( double scale ) { mMaximumScale = scale; }

    bool hasMaximumScale() const { return mMaximumScale.has_value(); }

    double maximumScale() const { return mMaximumScale.value_or( 0 ); }
 
  private:
    std::optional<double> mLayerOpacity;
    std::optional<double> mMinimumScale;
    std::optional<double> mMaximumScale;
};