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112 lines
3.9 KiB
C++
112 lines
3.9 KiB
C++
// SPDX-License-Identifier: GPL-2.0-or-later
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#ifndef ORFIMAGE_HPP_
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#define ORFIMAGE_HPP_
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// *****************************************************************************
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#include "exiv2lib_export.h"
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// included header files
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#include "tiffimage.hpp"
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// *****************************************************************************
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// namespace extensions
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namespace Exiv2 {
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// *****************************************************************************
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// class definitions
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/*!
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@brief Class to access raw Olympus ORF images. Exif metadata is supported
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directly, IPTC is read from the Exif data, if present.
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*/
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class EXIV2API OrfImage : public TiffImage {
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public:
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~OrfImage() override = default;
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//! @name NOT Implemented
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//@{
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//! Copy constructor
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OrfImage(const OrfImage&) = delete;
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//! Assignment operator
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OrfImage& operator=(const OrfImage&) = delete;
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//@}
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//! @name Creators
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//@{
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/*!
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@brief Constructor that can either open an existing ORF image or create
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a new image from scratch. If a new image is to be created, any
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existing data is overwritten. Since the constructor can not return
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a result, callers should check the good() method after object
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construction to determine success or failure.
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@param io An auto-pointer that owns a BasicIo instance used for
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reading and writing image metadata. \b Important: The constructor
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takes ownership of the passed in BasicIo instance through the
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auto-pointer. Callers should not continue to use the BasicIo
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instance after it is passed to this method. Use the Image::io()
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method to get a temporary reference.
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@param create Specifies if an existing image should be read (false)
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or if a new file should be created (true).
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*/
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OrfImage(BasicIo::UniquePtr io, bool create);
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//@}
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//! @name Manipulators
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//@{
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void printStructure(std::ostream& out, PrintStructureOption option, int depth) override;
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void readMetadata() override;
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void writeMetadata() override;
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/*!
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@brief Not supported. ORF format does not contain a comment.
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Calling this function will throw an Error(ErrorCode::kerInvalidSettingForImage).
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*/
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void setComment(std::string_view comment) override;
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//@}
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//! @name Accessors
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//@{
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std::string mimeType() const override;
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uint32_t pixelWidth() const override;
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uint32_t pixelHeight() const override;
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//@}
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}; // class OrfImage
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/*!
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@brief Stateless parser class for data in ORF format. Images use this
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class to decode and encode ORF data.
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See class TiffParser for details.
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*/
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class EXIV2API OrfParser {
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public:
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/*!
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@brief Decode metadata from a buffer \em pData of length \em size
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with data in ORF format to the provided metadata containers.
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See TiffParser::decode().
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*/
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static ByteOrder decode(ExifData& exifData, IptcData& iptcData, XmpData& xmpData, const byte* pData, size_t size);
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/*!
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@brief Encode metadata from the provided metadata to ORF format.
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See TiffParser::encode().
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*/
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static WriteMethod encode(BasicIo& io, const byte* pData, size_t size, ByteOrder byteOrder, const ExifData& exifData,
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const IptcData& iptcData, const XmpData& xmpData);
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}; // class OrfParser
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// *****************************************************************************
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// template, inline and free functions
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// These could be static private functions on Image subclasses but then
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// ImageFactory needs to be made a friend.
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/*!
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@brief Create a new OrfImage instance and return an auto-pointer to it.
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Caller owns the returned object and the auto-pointer ensures that
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it will be deleted.
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*/
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EXIV2API Image::UniquePtr newOrfInstance(BasicIo::UniquePtr io, bool create);
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//! Check if the file iIo is an ORF image.
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EXIV2API bool isOrfType(BasicIo& iIo, bool advance);
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} // namespace Exiv2
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#endif // #ifndef ORFIMAGE_HPP_
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