SkJpegMetadataEncoder Namespace Reference

Classes
struct	Segment

Typedefs
using	SegmentList = std::vector< Segment >

Functions
void	AppendICC (SegmentList &segmentList, const SkJpegEncoder::Options &options, const SkColorSpace *colorSpace)
void	AppendXMPStandard (SegmentList &segmentList, const SkData *xmpMetadata)

Typedef Documentation

SegmentList

using SkJpegMetadataEncoder::SegmentList = typedef std::vector<Segment>

Definition at line 43 of file SkJpegEncoderImpl.h.

Function Documentation

AppendICC()

void SkJpegMetadataEncoder::AppendICC	(	SegmentList &	segmentList,
		const SkJpegEncoder::Options &	options,
		const SkColorSpace *	colorSpace
	)

Definition at line 437 of file SkJpegEncoderImpl.cpp.

                                               {
    sk_sp<SkData> icc =
            icc_from_color_space(colorSpace, options.fICCProfile, options.fICCProfileDescription);
    if (!icc) {
        return;
    }
 
    // TODO(ccameron): This limits ICC profile size to a single segment's parameters (less than
    // 64k). Split larger profiles into more segments.
    SkDynamicMemoryWStream s;
    s.write(kICCSig, sizeof(kICCSig));
    s.write8(1);  // This is the first marker.
    s.write8(1);  // Out of one total markers.
    s.write(icc->data(), icc->size());
    segmentList.emplace_back(kICCMarker, s.detachAsData());
}

AppendXMPStandard()

void SkJpegMetadataEncoder::AppendXMPStandard	(	SegmentList &	segmentList,
		const SkData *	xmpMetadata
	)

Definition at line 456 of file SkJpegEncoderImpl.cpp.

                                                                            {
    if (!xmpMetadata) {
        return;
    }
 
    // TODO(ccameron): Split this into a standard and extended XMP segment if needed.
    SkDynamicMemoryWStream s;
    s.write(kXMPStandardSig, sizeof(kXMPStandardSig));
    s.write(xmpMetadata->data(), xmpMetadata->size());
    segmentList.emplace_back(kXMPMarker, s.detachAsData());
}