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Exiv2
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Exiv2
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This class models a TIFF sub-directory (sub-IFD). A sub-IFD is an entry with one or more values that are pointers to IFD structures containing an IFD. The TIFF standard defines some important tags to be sub-IFDs, including the Exif and GPS tags. More...
#include <tiffcomposite_int.hpp>
Inheritance diagram for Exiv2::Internal::TiffSubIfd: Collaboration diagram for Exiv2::Internal::TiffSubIfd:Public Member Functions | |
Creators | |
| TiffSubIfd (uint16_t tag, IfdId group, IfdId newGroup) | |
| Default constructor. | |
| virtual | ~TiffSubIfd () |
| Virtual destructor. | |
Protected Member Functions | |
Protected Creators | |
| TiffSubIfd (const TiffSubIfd &rhs) | |
| Copy constructor (used to implement clone()). | |
Protected Manipulators | |
| virtual TiffComponent * | doAddPath (uint16_t tag, TiffPath &tiffPath, TiffComponent *const pRoot, TiffComponent::AutoPtr object) |
| Implements addPath(). The default implementation does nothing. | |
| virtual TiffComponent * | doAddChild (TiffComponent::AutoPtr tiffComponent) |
| Implements addChild(). The default implementation does nothing. | |
| virtual void | doAccept (TiffVisitor &visitor) |
| Implements accept(). | |
| virtual void | doEncode (TiffEncoder &encoder, const Exifdatum *datum) |
| Implements encode(). | |
| virtual uint32_t | doWrite (IoWrapper &ioWrapper, ByteOrder byteOrder, int32_t offset, uint32_t valueIdx, uint32_t dataIdx, uint32_t &imageIdx) |
| Implements write(). Write the sub-IFD pointers to the ioWrapper, return the number of bytes written. The valueIdx and imageIdx arguments are not used. | |
Protected Accessors | |
| virtual TiffSubIfd * | doClone () const |
| Internal virtual copy constructor, implements clone(). | |
| virtual uint32_t | doWriteData (IoWrapper &ioWrapper, ByteOrder byteOrder, int32_t offset, uint32_t dataIdx, uint32_t &imageIdx) const |
| Implements writeData(). Write the sub-IFDs to the ioWrapper. Return the number of bytes written. | |
| virtual uint32_t | doWriteImage (IoWrapper &ioWrapper, ByteOrder byteOrder) const |
| Implements writeImage(). Write the image data of each sub-IFD to the ioWrapper. Return the number of bytes written. | |
| uint32_t | doSize () const |
| Implements size(). Return the size of the sub-Ifd pointers. | |
| virtual uint32_t | doSizeData () const |
| Implements sizeData(). Return the sum of the sizes of all sub-IFDs. | |
| virtual uint32_t | doSizeImage () const |
| Implements sizeImage(). Return the sum of the image sizes of all sub-IFDs. | |
Friends | |
| class | TiffReader |
This class models a TIFF sub-directory (sub-IFD). A sub-IFD is an entry with one or more values that are pointers to IFD structures containing an IFD. The TIFF standard defines some important tags to be sub-IFDs, including the Exif and GPS tags.
1.7.3
