SkJpegXmp.h File Reference

#include "include/core/SkRefCnt.h"
#include "include/private/SkXmp.h"
#include <memory>
#include <vector>

Go to the source code of this file.

Functions
std::unique_ptr< SkXmp >	SkJpegMakeXmp (const std::vector< sk_sp< SkData > > &decoderApp1Params)

Function Documentation

SkJpegMakeXmp()

std::unique_ptr< SkXmp > SkJpegMakeXmp

(

const std::vector< sk_sp< SkData > > &

decoderApp1Params

)

Definition at line 181 of file SkJpegXmp.cpp.

                                                                                      {
    auto xmpStandard = read_xmp_standard(decoderApp1Params);
    if (!xmpStandard) {
        return nullptr;
    }
 
    std::unique_ptr<SkXmp> xmp = SkXmp::Make(xmpStandard);
    if (!xmp) {
        return nullptr;
    }
 
    // Extract the GUID (the MD5 hash) of the extended metadata.
    const char* extendedGuid = xmp->getExtendedXmpGuid();
    if (!extendedGuid) {
        return xmp;
    }
 
    // Extract and validate the extended metadata from the JPEG structure.
    auto xmpExtended = read_xmp_extended(decoderApp1Params, extendedGuid);
    if (!xmpExtended) {
        SkCodecPrintf("Extended XMP was indicated but failed to read or validate.\n");
        return xmp;
    }
 
    return SkXmp::Make(xmpStandard, xmpExtended);
}