qgsgoochmaterialsettings.h

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/***************************************************************************
  qgsgoochmaterialsettings.h
  --------------------------------------
  Date                 : July 2020
  Copyright            : (C) 2020 by Nyall Dawson
  Email                : nyall dot dawson 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 QGSGOOCHMATERIALSETTINGS_H
#define QGSGOOCHMATERIALSETTINGS_H
 
#include "qgis_3d.h"
#include "qgsabstractmaterialsettings.h"
 
#include <QColor>
 
class QDomElement;
 
class _3D_EXPORT QgsGoochMaterialSettings : public QgsAbstractMaterialSettings
{
  public:
 
    QgsGoochMaterialSettings() = default;
 
    QString type() const override;
 
    static QgsAbstractMaterialSettings *create() SIP_FACTORY;
 
    static bool supportsTechnique( QgsMaterialSettingsRenderingTechnique technique );
 
    QgsGoochMaterialSettings *clone() const override SIP_FACTORY;
 
    QColor warm() const { return mWarm; }
 
    QColor cool() const { return mCool; }
 
    QColor diffuse() const { return mDiffuse; }
    QColor specular() const { return mSpecular; }
    float shininess() const { return mShininess; }
 
    float alpha() const { return mAlpha; }
 
    float beta() const { return mBeta; }
 
    void setWarm( const QColor &warm ) { mWarm = warm; }
 
    void setCool( const QColor &cool ) { mCool = cool; }
 
    void setDiffuse( const QColor &diffuse ) { mDiffuse = diffuse; }
    void setSpecular( const QColor &specular ) { mSpecular = specular; }
    void setShininess( float shininess ) { mShininess = shininess; }
 
    void setAlpha( float alpha ) { mAlpha = alpha; }
 
    void setBeta( float beta ) { mBeta = beta; }
 
    void readXml( const QDomElement &elem, const QgsReadWriteContext &context ) override;
    void writeXml( QDomElement &elem, const QgsReadWriteContext &context ) const override;
    QMap<QString, QString> toExportParameters() const override;
 
#ifndef SIP_RUN
    Qt3DRender::QMaterial *toMaterial( QgsMaterialSettingsRenderingTechnique technique, const QgsMaterialContext &context ) const override;
    void addParametersToEffect( Qt3DRender::QEffect *effect, const QgsMaterialContext &materialContext ) const override;
 
    QByteArray dataDefinedVertexColorsAsByte( const QgsExpressionContext &expressionContext ) const override;
    int dataDefinedByteStride() const override;
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
    void applyDataDefinedToGeometry( Qt3DRender::QGeometry *geometry, int vertexCount, const QByteArray &data ) const override;
#else
    void applyDataDefinedToGeometry( Qt3DCore::QGeometry *geometry, int vertexCount, const QByteArray &data ) const override;
#endif
 
#endif
 
    // TODO c++20 - replace with = default
    bool operator==( const QgsGoochMaterialSettings &other ) const
    {
      return mDiffuse == other.mDiffuse &&
             mSpecular == other.mSpecular &&
             mWarm == other.mWarm &&
             mCool == other.mCool &&
             mShininess == other.mShininess &&
             mAlpha == other.mAlpha &&
             mBeta == other.mBeta;
    }
 
  private:
    QColor mDiffuse{ QColor::fromRgbF( 0.7f, 0.7f, 0.7f, 1.0f ) };
    QColor mSpecular{ QColor::fromRgbF( 1.0f, 1.0f, 1.0f, 1.0f ) };
    QColor mWarm {QColor( 107, 0, 107 ) };
    QColor mCool {QColor( 255, 130, 0 )};
    float mShininess = 100.0f;
    float mAlpha = 0.25f;
    float mBeta = 0.5f;
 
    Qt3DRender::QMaterial *buildMaterial( const QgsMaterialContext &context ) const;
};
 
 
#endif // QGSGOOCHMATERIALSETTINGS_H