qgsphongmaterialsettings.h

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/***************************************************************************
  qgsphongmaterialsettings.h
  --------------------------------------
  Date                 : July 2017
  Copyright            : (C) 2017 by Martin Dobias
  Email                : wonder dot sk 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 QGSPHONGMATERIALSETTINGS_H
#define QGSPHONGMATERIALSETTINGS_H
 
#include "qgis_core.h"
#include "qgsabstractmaterialsettings.h"
 
#include <QColor>
 
class QgsMaterial;
class QDomElement;

class CORE_EXPORT QgsPhongMaterialSettings : public QgsAbstractMaterialSettings
{
  public:
    QgsPhongMaterialSettings() = default;
 
    QString type() const override;

    static bool supportsTechnique( Qgis::MaterialRenderingTechnique technique );

    static QgsAbstractMaterialSettings *create() SIP_FACTORY;
 
    QgsPhongMaterialSettings *clone() const override SIP_FACTORY;
    bool equals( const QgsAbstractMaterialSettings *other ) const override;
    QSet< QgsAbstractMaterialSettings::Property > supportedProperties() const override;

    QColor ambient() const { return mAmbient; }
    QColor diffuse() const { return mDiffuse; }
    QColor specular() const { return mSpecular; }
    double shininess() const { return mShininess; }

    double opacity() const { return mOpacity; }

    double ambientCoefficient() const { return mAmbientCoefficient; }

    double diffuseCoefficient() const { return mDiffuseCoefficient; }

    double specularCoefficient() const { return mSpecularCoefficient; }

    void setAmbient( const QColor &ambient ) { mAmbient = ambient; }
    void setDiffuse( const QColor &diffuse ) { mDiffuse = diffuse; }
    void setSpecular( const QColor &specular ) { mSpecular = specular; }
    void setShininess( double shininess ) { mShininess = shininess; }

    void setOpacity( double opacity ) { mOpacity = opacity; }

    void setAmbientCoefficient( double coefficient ) { mAmbientCoefficient = coefficient; }

    void setDiffuseCoefficient( double coefficient ) { mDiffuseCoefficient = coefficient; }

    void setSpecularCoefficient( double coefficient ) { mSpecularCoefficient = coefficient; }

    QColor averageColor() const override;

    void setColorsFromBase( const QColor &baseColor, float metallic );

    void setColorsFromBase( const QColor &baseColor ) override;
 
    void readXml( const QDomElement &elem, const QgsReadWriteContext &context ) override;
    void writeXml( QDomElement &elem, const QgsReadWriteContext &context ) const override;
 
    // TODO c++20 - replace with = default
    bool operator==( const QgsPhongMaterialSettings &other ) const
    {
      return mAmbient == other.mAmbient
             && mDiffuse == other.mDiffuse
             && mOpacity == other.mOpacity
             && mSpecular == other.mSpecular
             && mShininess == other.mShininess
             && mAmbientCoefficient == other.mAmbientCoefficient
             && mDiffuseCoefficient == other.mDiffuseCoefficient
             && mSpecularCoefficient == other.mSpecularCoefficient
             && dataDefinedProperties() == other.dataDefinedProperties();
    }
 
  private:
    QColor mAmbient { QColor::fromRgbF( 0.1f, 0.1f, 0.1f, 1.0f ) };
    QColor mDiffuse { QColor::fromRgbF( 0.7f, 0.7f, 0.7f, 1.0f ) };
    QColor mSpecular { QColor::fromRgbF( 1.0f, 1.0f, 1.0f, 1.0f ) };
    double mShininess = 0.0;
 
    double mAmbientCoefficient = 1.0;
    double mDiffuseCoefficient = 1.0;
    double mSpecularCoefficient = 1.0;
 
    double mOpacity = 1.0;
};
 
 
#endif // QGSPHONGMATERIALSETTINGS_H