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| |
| #ifndef QQUICKIMAGEPROVIDER_H |
| #define QQUICKIMAGEPROVIDER_H |
| |
| #include <QtQuick/qtquickglobal.h> |
| #include <QtGui/qimage.h> |
| #include <QtGui/qpixmap.h> |
| #include <QtQml/qqmlengine.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| |
| class QQuickImageProviderPrivate; |
| class QQuickAsyncImageProviderPrivate; |
| class QQuickImageProviderOptionsPrivate; |
| class QSGTexture; |
| class QQuickWindow; |
| |
| class Q_QUICK_EXPORT QQuickTextureFactory : public QObject |
| { |
| Q_OBJECT |
| public: |
| QQuickTextureFactory(); |
| ~QQuickTextureFactory() override; |
| |
| virtual QSGTexture *createTexture(QQuickWindow *window) const = 0; |
| virtual QSize textureSize() const = 0; |
| virtual int textureByteCount() const = 0; |
| virtual QImage image() const; |
| |
| static QQuickTextureFactory *textureFactoryForImage(const QImage &image); |
| }; |
| |
| class QQuickImageResponsePrivate; |
| |
| class Q_QUICK_EXPORT QQuickImageResponse : public QObject |
| { |
| Q_OBJECT |
| public: |
| QQuickImageResponse(); |
| ~QQuickImageResponse() override; |
| |
| virtual QQuickTextureFactory *textureFactory() const = 0; |
| virtual QString errorString() const; |
| |
| public Q_SLOTS: |
| virtual void cancel(); |
| |
| Q_SIGNALS: |
| void finished(); |
| |
| private: |
| Q_DECLARE_PRIVATE(QQuickImageResponse) |
| Q_PRIVATE_SLOT(d_func(), void _q_finished()) |
| }; |
| |
| class Q_QUICK_EXPORT QQuickImageProvider : public QQmlImageProviderBase |
| { |
| friend class QQuickImageProviderWithOptions; // ### Qt 6 Remove |
| public: |
| QQuickImageProvider(ImageType type, Flags flags = Flags()); |
| ~QQuickImageProvider() override; |
| |
| ImageType imageType() const override; |
| Flags flags() const override; |
| |
| #if QT_VERSION >= QT_VERSION_CHECK(6,0,0) |
| virtual QImage requestImage(const QString &id, QSize *size, const QSize& requestedSize, const QQuickImageProviderOptions &options); |
| virtual QPixmap requestPixmap(const QString &id, QSize *size, const QSize& requestedSize, const QQuickImageProviderOptions &options); |
| virtual QQuickTextureFactory *requestTexture(const QString &id, QSize *size, const QSize &requestedSize, const QQuickImageProviderOptions &options); |
| #else |
| virtual QImage requestImage(const QString &id, QSize *size, const QSize& requestedSize); |
| virtual QPixmap requestPixmap(const QString &id, QSize *size, const QSize& requestedSize); |
| virtual QQuickTextureFactory *requestTexture(const QString &id, QSize *size, const QSize &requestedSize); |
| #endif |
| |
| private: |
| QQuickImageProviderPrivate *d; |
| }; |
| |
| class Q_QUICK_EXPORT QQuickAsyncImageProvider : public QQuickImageProvider |
| { |
| public: |
| QQuickAsyncImageProvider(); |
| ~QQuickAsyncImageProvider() override; |
| |
| #if QT_VERSION >= QT_VERSION_CHECK(6,0,0) |
| virtual QQuickImageResponse *requestImageResponse(const QString &id, const QSize &requestedSize, const QQuickImageProviderOptions &options) = 0; |
| #else |
| virtual QQuickImageResponse *requestImageResponse(const QString &id, const QSize &requestedSize) = 0; |
| #endif |
| |
| private: |
| QQuickAsyncImageProviderPrivate *d; |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif // QQUICKIMAGEPROVIDER_H |