qtexture_p.h - mozsearch

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// Copyright (C) 2016 Klaralvdalens Datakonsult AB (KDAB).

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

#ifndef QT3DRENDER_QTEXTURE_P_H

#define QT3DRENDER_QTEXTURE_P_H

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API.  It exists for the convenience

// of other Qt classes.  This header file may change from version to

// version without notice, or even be removed.

//

// We mean it.

//

#include <Qt3DCore/QNodeId>

#include <Qt3DCore/private/qdownloadhelperservice_p.h>

#include <Qt3DRender/private/qabstracttexture_p.h>

#include <Qt3DRender/private/qtexturegenerator_p.h>

#include <Qt3DRender/qtexture.h>

#include <Qt3DRender/private/qt3drender_global_p.h>

QT_BEGIN_NAMESPACE

namespace Qt3DRender {

class Q_3DRENDERSHARED_PRIVATE_EXPORT QTextureLoaderPrivate : public QAbstractTexturePrivate

public:

    QTextureLoaderPrivate();

    Q_DECLARE_PUBLIC(QTextureLoader)

    void setScene(Qt3DCore::QScene *scene) override;

    void updateGenerator();

    QUrl m_source;

    bool m_mirrored;

};

class QTextureFromSourceGenerator;

typedef QSharedPointer<QTextureFromSourceGenerator> QTextureFromSourceGeneratorPtr;

class Q_AUTOTEST_EXPORT TextureDownloadRequest : public Qt3DCore::QDownloadRequest

public:

    TextureDownloadRequest(const QTextureFromSourceGeneratorPtr &functor,

                           const QUrl &url,

                           Qt3DCore::QAspectEngine *engine,

                           Qt3DCore::QNodeId texNodeId);

    void onCompleted() override;

private:

    QTextureFromSourceGeneratorPtr m_functor;

    Qt3DCore::QAspectEngine *m_engine;

    Qt3DCore::QNodeId m_texNodeId;

};

class Q_AUTOTEST_EXPORT QTextureFromSourceGenerator : public QTextureGenerator,

                                                      public QEnableSharedFromThis<QTextureFromSourceGenerator>

public:

    explicit QTextureFromSourceGenerator(QTextureLoader *textureLoader,

                                         Qt3DCore::QAspectEngine *engine,

                                         Qt3DCore::QNodeId textureId);

    QTextureFromSourceGenerator(const QTextureFromSourceGenerator &other);

    QTextureDataPtr operator ()() override;

    bool operator ==(const QTextureGenerator &other) const override;

    inline QAbstractTexture::Status status() const { return m_status; }

    QT3D_FUNCTOR(QTextureFromSourceGenerator)

    QUrl url() const;

    bool isMirrored() const;

private:

    friend class TextureDownloadRequest;

    QUrl m_url;

    QAbstractTexture::Status m_status;

    bool m_mirrored;

    QByteArray m_sourceData;

    Qt3DCore::QNodeId m_texture;

    Qt3DCore::QAspectEngine *m_engine;

    // Options that can be overridden on TextureLoader when loading

    QAbstractTexture::TextureFormat m_format;

};

class Q_AUTOTEST_EXPORT TextureLoadingHelper

public:

    static QTextureImageDataPtr loadTextureData(const QUrl &source, bool allow3D, bool mirrored);

    static QTextureImageDataPtr loadTextureData(QIODevice *data, const QString& suffix,

                                                bool allow3D, bool mirrored);

};

} // namespace Qt3DRender

QT_END_NAMESPACE

#endif // QT3DRENDER_QTEXTURE_P_H