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//
// (C) CharLS Team 2014, all rights reserved. See the accompanying "License.txt" for licensed use.
//
#ifndef CHARLS_JPEGMARKERSEGMENT
#define CHARLS_JPEGMARKERSEGMENT
#include "jpegsegment.h"
#include "jpegstreamwriter.h"
#include <vector>
#include <cstdint>
#include <memory>
enum class JpegMarkerCode : uint8_t;
class JpegMarkerSegment : public JpegSegment
{
public:
/// <summary>
/// Creates a JPEG-LS Start Of Frame (SOF-55) segment.
/// </summary>
/// <param name="width">The width of the frame.</param>
/// <param name="height">The height of the frame.</param>
/// <param name="bitsPerSample">The bits per sample.</param>
/// <param name="componentCount">The component count.</param>
static std::unique_ptr<JpegMarkerSegment> CreateStartOfFrameSegment(int width, int height, int bitsPerSample, int componentCount);
/// <summary>
/// Creates a JPEG File Interchange (APP1 + jfif) segment.
/// </summary>
/// <param name="jfif">Parameters to write into the JFIF segment.</param>
static std::unique_ptr<JpegMarkerSegment> CreateJpegFileInterchangeFormatSegment(const JfifParameters& params);
/// <summary>
/// Creates a JPEG-LS extended parameters (LSE) segment.
/// </summary>
/// <param name="params">Parameters to write into the JPEG-LS extended segment.</param>
static std::unique_ptr<JpegMarkerSegment> CreateJpegLSExtendedParametersSegment(const JlsCustomParameters& params);
/// <summary>
/// Creates a color transformation (APP8) segment.
/// </summary>
/// <param name="jfif">Parameters to write into the JFIF segment.</param>
static std::unique_ptr<JpegMarkerSegment> CreateColorTransformSegment(charls::ColorTransformation transformation);
/// <summary>
/// Creates a JPEG-LS Start Of Scan (SOS) segment.
/// </summary>
/// <param name="componentIndex">The component index of the scan segment or the start index if component count > 1.</param>
/// <param name="componentCount">The number of components in the scan segment. Can only be > 1 when the components are interleaved.</param>
/// <param name="allowedLossyError">The allowed lossy error. 0 means lossless.</param>
/// <param name="interleaveMode">The interleave mode of the components.</param>
static std::unique_ptr<JpegMarkerSegment> CreateStartOfScanSegment(int componentIndex, int componentCount, int allowedLossyError, charls::InterleaveMode interleaveMode);
JpegMarkerSegment(JpegMarkerCode markerCode, std::vector<uint8_t>&& content) :
_markerCode(markerCode),
_content(content)
{
}
void Serialize(JpegStreamWriter& streamWriter) override
{
streamWriter.WriteByte(0xFF);
streamWriter.WriteByte(static_cast<uint8_t>(_markerCode));
streamWriter.WriteWord(static_cast<uint16_t>(_content.size() + 2));
streamWriter.WriteBytes(_content);
}
private:
JpegMarkerCode _markerCode;
std::vector<uint8_t> _content;
};
#endif
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