qgsphongtexturedmaterial.h

Go to the documentation of this file.

/***************************************************************************
  qgsphongtexturedmaterial.h
  --------------------------------------
  Date                 : August 2024
  Copyright            : (C) 2024 by Jean Felder
  Email                : jean dot felder at oslandia 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 QGSPHONGTEXTUREDMATERIAL_H
#define QGSPHONGTEXTUREDMATERIAL_H
 
#include "qgis.h"
#include "qgis_3d.h"
#include "qgsmaterial.h"
 
#include <QColor>
#include <QObject>
#include <Qt3DRender/QTexture>
 
#define SIP_NO_FILE
 
class QMatrix4x4;
 
 
namespace Qt3DRender
{
  class QParameter;
  class QShaderProgram;
  class QRenderPass;
  class QFilterKey;
} // namespace Qt3DRender


class _3D_EXPORT QgsPhongTexturedMaterial : public QgsMaterial
{
    Q_OBJECT
 
  public:
    explicit QgsPhongTexturedMaterial( Qt3DCore::QNode *parent = nullptr );
    ~QgsPhongTexturedMaterial() override;

    void setInstancingEnabled( bool enabled, Qgis::InstancedMaterialFlags flags );

    void setInstancingMeshTransform( const QMatrix4x4 &transform );
 
  public slots:
    void setAmbient( const QColor &ambient );

    void setDiffuseTexture( Qt3DRender::QAbstractTexture *texture );
 
    void setDiffuseTextureScale( float textureScale );
    void setDiffuseTextureRotation( float textureRotation );
    void setDiffuseTextureOffset( float textureOffsetX, float textureOffsetY );
    void setSpecular( const QColor &specular );
    void setShininess( float shininess );
    void setOpacity( float opacity );

    void setDataDefinedTextureTransformEnabled( bool enabled );
 
  private:
    void init();
    void updateShaders();
 
    Qt3DRender::QParameter *mAmbientParameter = nullptr;
    Qt3DRender::QParameter *mDiffuseTextureParameter = nullptr;
    Qt3DRender::QParameter *mDiffuseTextureScaleParameter = nullptr;
    Qt3DRender::QParameter *mDiffuseTextureRotationParameter = nullptr;
    Qt3DRender::QParameter *mDiffuseTextureOffsetParameter = nullptr;
    Qt3DRender::QParameter *mSpecularParameter = nullptr;
    Qt3DRender::QParameter *mShininessParameter = nullptr;
    Qt3DRender::QParameter *mOpacityParameter = nullptr;
 
    bool mInstanced = false;
    Qgis::InstancedMaterialFlags mInstanceFlags;
 
    Qt3DRender::QEffect *mEffect = nullptr;
    Qt3DRender::QTechnique *mGL3Technique = nullptr;
    Qt3DRender::QRenderPass *mGL3RenderPass = nullptr;
    Qt3DRender::QShaderProgram *mShaderProgram = nullptr;
    Qt3DRender::QFilterKey *mFilterKey = nullptr;
    Qt3DRender::QParameter *mTransformParameter = nullptr;
    Qt3DRender::QParameter *mNormalTransformParameter = nullptr;
 
    bool mDataDefinedTextureTransformEnabled = false;
};

 
#endif // QGSPHONGTEXTUREDMATERIAL_H