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39
40#ifndef QSGENGINE_H
41#define QSGENGINE_H
42
43#include <QtCore/QObject>
44#include <QtQuick/qtquickglobal.h>
45
46QT_BEGIN_NAMESPACE
47
48class QOpenGLContext;
49class QSGAbstractRenderer;
50class QSGEnginePrivate;
51class QSGTexture;
52class QSGRendererInterface;
53class QSGRectangleNode;
54class QSGImageNode;
55class QSGNinePatchNode;
56
57#if QT_DEPRECATED_SINCE(5, 15)
58class Q_QUICK_EXPORT QSGEngine : public QObject
59{
60 Q_OBJECT
61 Q_DECLARE_PRIVATE(QSGEngine)
62public:
63 enum CreateTextureOption {
64 TextureHasAlphaChannel = 0x0001,
65 TextureOwnsGLTexture = 0x0004,
66 TextureCanUseAtlas = 0x0008,
67 TextureIsOpaque = 0x0010
68 };
69 Q_DECLARE_FLAGS(CreateTextureOptions, CreateTextureOption)
70 Q_FLAG(CreateTextureOptions)
71
72 explicit QSGEngine(QObject *parent = nullptr);
73 ~QSGEngine() override;
74
75 QT_DEPRECATED_X("QSGEngine is going to be removed in Qt 6.0. Use QQuickRenderControl instead.")
76 void initialize(QOpenGLContext *context);
77 void invalidate();
78
79 QSGAbstractRenderer *createRenderer() const;
80 QSGTexture *createTextureFromImage(const QImage &image, CreateTextureOptions options = CreateTextureOption()) const;
81 QSGTexture *createTextureFromId(uint id, const QSize &size, CreateTextureOptions options = CreateTextureOption()) const;
82 QSGRendererInterface *rendererInterface() const;
83 QSGRectangleNode *createRectangleNode() const;
84 QSGImageNode *createImageNode() const;
85 QSGNinePatchNode *createNinePatchNode() const;
86};
87#endif
88
89QT_END_NAMESPACE
90
91#endif // QSGENGINE_H
92

source code of qtdeclarative/src/quick/scenegraph/util/qsgengine.h