Class CJpegTransformExtension

class CJpegTransformExtension : public CJPEGExifTransformExtension;

Description

Extension to the Jpeg imageTransform plugin

This class is intended to offer a method to the user to retreive the exif metadata during an imageTransform operation.

Derivation

• CBase - Base class for all classes to be instantiated on the heap

• CImageTransformPluginExtension - This class should be derived by a plugin writer wishing to extend the client API defined in CImageTransform

• CJPEGExifTransformExtension - extension for exif Image Transform

• CJpegTransformExtension - Extension to the Jpeg imageTransform plugin

Members

Defined in CJpegTransformExtension:
ExifMetadata(), Uid()

Inherited from CBase:
Delete(), Extension_(), operator new()

Inherited from CImageTransformPluginExtension:
ReservedVirtual1(), ReservedVirtual2(), ReservedVirtual3(), ReservedVirtual4()

virtual const TUid Uid() const;

Description

Getter of the Uid of this extension

Return value

const TUid The Uid of this extension.

virtual MExifMetadata *ExifMetadata();

Description

Getter of the exif metadata

Return value

MExifMetadata * the metadata. NULL if there is no metadata available.