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/*
* 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 SkGifDecoder_DEFINED
#define SkGifDecoder_DEFINED
#include "include/codec/SkCodec.h"
#include "include/core/SkRefCnt.h"
#include "include/private/base/SkAPI.h"
class SkData;
class SkStream;
#include <memory>
namespace SkGifDecoder {
/** Returns true if this data claims to be a GIF image. */
SK_API bool IsGif(const void*, size_t);
/**
* Attempts to decode the given bytes as a GIF.
*
* If the bytes are not a GIF, 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 { "gif", IsGif, Decode };
}
} // namespace SkGifDecoder
#endif // SkGifDecoder_DEFINED
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