/*

 * Copyright 2023 Google LLC

 *

 * Use of this source code is governed by a BSD-style license that can be

 * found in the LICENSE file.

 */

#ifndef SkIcoDecoder_DEFINED

#define SkIcoDecoder_DEFINED

#include "include/codec/SkCodec.h"

#include "include/core/SkRefCnt.h"

#include "include/private/base/SkAPI.h"

class SkData;

class SkStream;

#include <memory>

namespace SkIcoDecoder {

/** Returns true if this data claims to be a ICO image. */

SK_API bool IsIco(const void*, size_t);

/**

 *  Attempts to decode the given bytes as a ICO.

 *

 *  If the bytes are not a ICO, returns nullptr.

 *

 *  DecodeContext is ignored

 */

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);

inline constexpr SkCodecs::Decoder Decoder() {

    return { "ico", IsIco, Decode };

}

}  // namespace SkIcoDecoder

#endif  // SkIcoDecoder_DEFINED