qgspreviewquad.h

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/***************************************************************************
  qgspreviewquad.h
  --------------------------------------
  Date                 : August 2020
  Copyright            : (C) 2020 by Belgacem Nedjima
  Email                : gb underscore nedjima at esi dot dz
 ***************************************************************************
 *                                                                         *
 *   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 QGSPREVIEWQUAD_H
#define QGSPREVIEWQUAD_H
 
#include <Qt3DCore/QEntity>
#include <Qt3DRender/QEffect>
#include <Qt3DRender/QMaterial>
#include <Qt3DRender/QParameter>
 
#define SIP_NO_FILE

class QgsPreviewQuadMaterial : public Qt3DRender::QMaterial
{
    Q_OBJECT
 
  public:
    QgsPreviewQuadMaterial( Qt3DRender::QAbstractTexture *texture, QVector<Qt3DRender::QParameter *> additionalShaderParameters = QVector<Qt3DRender::QParameter *>(), QNode *parent = nullptr );

    void setViewPort( QVector2D centerTexCoords, QVector2D sizeTexCoords );
 
  private:
    Qt3DRender::QEffect *mEffect = nullptr;
    Qt3DRender::QParameter *mTextureParameter = nullptr;
    Qt3DRender::QParameter *mCenterTextureCoords = nullptr;
    Qt3DRender::QParameter *mSizeTextureCoords = nullptr;
};

class QgsPreviewQuad : public Qt3DCore::QEntity
{
    Q_OBJECT
 
  public:
    QgsPreviewQuad(
      Qt3DRender::QAbstractTexture *texture,
      const QPointF &centerNDC,
      const QSizeF &size,
      QVector<Qt3DRender::QParameter *> additionalShaderParameters = QVector<Qt3DRender::QParameter *>(),
      Qt3DCore::QEntity *parent = nullptr
    );

    void setViewPort( const QPointF &centerNDC, const QSizeF &size );
 
  private:
    QgsPreviewQuadMaterial *mMaterial = nullptr;
};
 
#endif // QGSPREVIEWQUAD_H