SkRawDecoder Namespace Reference

Functions
bool	IsRaw (const void *, size_t)
SK_API std::unique_ptr< SkCodec >	Decode (std::unique_ptr< SkStream >, SkCodec::Result *, SkCodecs::DecodeContext=nullptr)
SK_API std::unique_ptr< SkCodec >	Decode (sk_sp< SkData >, SkCodec::Result *, SkCodecs::DecodeContext=nullptr)
constexpr SkCodecs::Decoder	Decoder ()

Function Documentation

Decode() [1/2]

std::unique_ptr< SkCodec > SkRawDecoder::Decode	(	sk_sp< SkData >	data,
		SkCodec::Result *	outResult,
		SkCodecs::DecodeContext	= nullptr
	)

Definition at line 845 of file SkRawCodec.cpp.

                                                       {
    if (!data) {
        if (outResult) {
            *outResult = SkCodec::kInvalidInput;
        }
        return nullptr;
    }
    return Decode(SkMemoryStream::Make(std::move(data)), outResult, nullptr);
}

Decode() [2/2]

std::unique_ptr< SkCodec > SkRawDecoder::Decode	(	std::unique_ptr< SkStream >	stream,
		SkCodec::Result *	outResult,
		SkCodecs::DecodeContext	= nullptr
	)

Attempts to decode the given bytes as a raw image.

If the bytes are not a raw, returns nullptr.

DecodeContext is ignored

Definition at line 835 of file SkRawCodec.cpp.

                                                       {
    SkCodec::Result resultStorage;
    if (!outResult) {
        outResult = &resultStorage;
    }
    return SkRawCodec::MakeFromStream(std::move(stream), outResult);
}

Decoder()

constexpr SkCodecs::Decoder SkRawDecoder::Decoder ( )

inlineconstexpr

Definition at line 44 of file SkRawDecoder.h.

                                           {
    return { "raw", IsRaw, Decode };
}

IsRaw()

bool SkRawDecoder::IsRaw ( const void *  , size_t    )

inline

Definition at line 21 of file SkRawDecoder.h.

                                       {
    // Raw formats are tricky to detect just by reading in the first several bytes.
    // For example, PIEX might need to read 10k bytes to detect Sony's arw format
    // https://github.com/google/piex/blob/f1e15dd837c04347504149f71db67a78fbeddc73/src/image_type_recognition/image_type_recognition_lite.cc#L152
    // Thus, we just assume everything might be a RAW file and check it last.
    return true;
}