| 1 | /* |
|---|---|
| 2 | * Copyright 2023 Google LLC |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | #ifndef SkBmpDecoder_DEFINED |
| 8 | #define SkBmpDecoder_DEFINED |
| 9 | |
| 10 | #include "include/codec/SkCodec.h" |
| 11 | #include "include/core/SkRefCnt.h" |
| 12 | #include "include/private/base/SkAPI.h" |
| 13 | |
| 14 | class SkData; |
| 15 | class SkStream; |
| 16 | |
| 17 | #include <memory> |
| 18 | |
| 19 | namespace SkBmpDecoder { |
| 20 | |
| 21 | /** Returns true if this data claims to be a BMP image. */ |
| 22 | SK_API bool IsBmp(const void*, size_t); |
| 23 | |
| 24 | /** |
| 25 | * Attempts to decode the given bytes as a BMP. |
| 26 | * |
| 27 | * If the bytes are not a BMP, returns nullptr. |
| 28 | * |
| 29 | * DecodeContext is ignored |
| 30 | */ |
| 31 | SK_API std::unique_ptr<SkCodec> Decode(std::unique_ptr<SkStream>, |
| 32 | SkCodec::Result*, |
| 33 | SkCodecs::DecodeContext = nullptr); |
| 34 | SK_API std::unique_ptr<SkCodec> Decode(sk_sp<SkData>, |
| 35 | SkCodec::Result*, |
| 36 | SkCodecs::DecodeContext = nullptr); |
| 37 | |
| 38 | inline SkCodecs::Decoder Decoder() { |
| 39 | return { .id: "bmp", .isFormat: IsBmp, .makeFromStream: Decode }; |
| 40 | } |
| 41 | |
| 42 | } // namespace SkBmpDecoder |
| 43 | |
| 44 | #endif // SkBmpDecoder_DEFINED |
| 45 |