| #ifndef DYNAMIC_DEPTH_INCLUDES_XMPMETA_JPEG_IO_H_ // NOLINT |
| #define DYNAMIC_DEPTH_INCLUDES_XMPMETA_JPEG_IO_H_ // NOLINT |
| |
| #include <string> |
| #include <vector> |
| |
| #include "base/port.h" |
| |
| namespace dynamic_depth { |
| namespace xmpmeta { |
| |
| // Contains the data for a section in a JPEG file. |
| // A JPEG file contains many sections in addition to image data. |
| struct Section { |
| // Constructors. |
| Section() = default; |
| explicit Section(const string& buffer); |
| |
| // Returns true if the section's marker matches an APP1 marker. |
| bool IsMarkerApp1(); |
| |
| int marker; |
| bool is_image_section; |
| string data; |
| }; |
| |
| struct ParseOptions { |
| // If set to true, keeps only the EXIF and XMP sections (with |
| // marker kApp1) and ignores others. Otherwise, keeps everything including |
| // image data. |
| bool read_meta_only = false; |
| |
| // If section_header is set, this boolean controls whether only the 1st |
| // section matching the section_header will be returned. If not set |
| // (the default), all the sections that math the section header will be |
| // returned. |
| bool section_header_return_first = false; |
| |
| // A filter that keeps all the sections whose data starts with the |
| // given string. Ignored if empty. |
| string section_header; |
| }; |
| |
| // Parses the JPEG image file. |
| std::vector<Section> Parse(const ParseOptions& options, |
| std::istream* input_stream); |
| |
| // Writes JPEG data sections to a file. |
| void WriteSections(const std::vector<Section>& sections, |
| std::ostream* output_stream); |
| |
| } // namespace xmpmeta |
| } // namespace dynamic_depth |
| |
| #endif // DYNAMIC_DEPTH_INCLUDES_XMPMETA_JPEG_IO_H_ // NOLINT |