Member Function Documentation

[protected] QImageEncoderControl::QImageEncoderControl(QObject *parent = nullptr)

Constructs a new image encoder control object with the given parent

[virtual] QImageEncoderControl::~QImageEncoderControl()

Destroys the image encoder control.

[pure virtual] QString QImageEncoderControl::imageCodecDescription(const QString &codec) const

Returns a description of an image codec.

[pure virtual] QImageEncoderSettings QImageEncoderControl::imageSettings() const

Returns the currently used image encoder settings.

The returned value may be different tha passed to QImageEncoderControl::setImageSettings() if the settings contains the default or undefined parameters. In this case if the undefined parameters are already resolved, they should be returned.

See also setImageSettings().

[pure virtual] void QImageEncoderControl::setImageSettings(const QImageEncoderSettings &settings)

Sets the selected image encoder settings.

See also imageSettings().

[pure virtual] QStringList QImageEncoderControl::supportedImageCodecs() const

Returns a list of supported image codecs.

[pure virtual] QList<QSize> QImageEncoderControl::supportedResolutions(const QImageEncoderSettings &settings, bool *continuous = nullptr) const

Returns a list of supported resolutions.

If non null image settings parameter is passed, the returned list is reduced to resolutions supported with partial settings applied. It can be used to query the list of resolutions, supported by specific image codec.

If the encoder supports arbitrary resolutions within the supported resolutions range, *continuous is set to true, otherwise *continuous is set to false.