qgsmapoverlaytexturegenerator_p.h

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/***************************************************************************
  qgsmapoverlaytexturegenerator_p.h
  --------------------------------------
  Date                 : July 2025
  Copyright            : (C) 2025 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 QGSMAPOVERLAYTEXTUREGENERATOR_P_H
#define QGSMAPOVERLAYTEXTUREGENERATOR_P_H

 
//
//  W A R N I N G
//  -------------
//
// This file is not part of the QGIS API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
 
#define SIP_NO_FILE
 
#include "qgsrectangle.h"
 
#include <QObject>
 
class Qgs3DMapSettings;
class QgsMapRendererParallelJob;
class QgsMapSettings;
class QgsProject;
class QgsRasterLayer;

class QgsMapOverlayTextureGenerator : public QObject
{
    Q_OBJECT
  public:
    QgsMapOverlayTextureGenerator( const Qgs3DMapSettings &mapSettings, int size );
 
    ~QgsMapOverlayTextureGenerator() override;

    int render( const QgsRectangle &extent, const QVector<QgsPointXY> &frustumExtent, double azimuthDegrees, bool showFrustum = false );

    void cancelActiveJob();

    void waitForFinished();
 
  signals:
    void textureReady( const QImage &image );
 
  private slots:
    void onRenderingFinished();
 
  private:
    QgsMapSettings baseMapSettings() const;
 
    const Qgs3DMapSettings &m3DMapSettings;
    QSize mSize;
    QgsMapRendererParallelJob *mActiveJob = nullptr;
    QgsRectangle mExtent;
    double mRotation = 0.;
    QVector<QgsPointXY> mFrustumExtent;
    bool mShowFrustum = false;
    int mLastJobId = 0;
};

 
#endif // QGSMAPOVERLAYTEXTUREGENERATOR_P_H