xref: /aosp_15_r20/external/skia/src/codec/SkJpegMetadataDecoderImpl.h (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1*c8dee2aaSAndroid Build Coastguard Worker /*
2*c8dee2aaSAndroid Build Coastguard Worker  * Copyright 2024 Google Inc.
3*c8dee2aaSAndroid Build Coastguard Worker  *
4*c8dee2aaSAndroid Build Coastguard Worker  * Use of this source code is governed by a BSD-style license that can be
5*c8dee2aaSAndroid Build Coastguard Worker  * found in the LICENSE file.
6*c8dee2aaSAndroid Build Coastguard Worker  */
7*c8dee2aaSAndroid Build Coastguard Worker 
8*c8dee2aaSAndroid Build Coastguard Worker #ifndef SkJpegMetadataDecoderImpl_DEFINED
9*c8dee2aaSAndroid Build Coastguard Worker #define SkJpegMetadataDecoderImpl_DEFINED
10*c8dee2aaSAndroid Build Coastguard Worker 
11*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkRefCnt.h"
12*c8dee2aaSAndroid Build Coastguard Worker #include "include/private/SkJpegMetadataDecoder.h"
13*c8dee2aaSAndroid Build Coastguard Worker 
14*c8dee2aaSAndroid Build Coastguard Worker #include <vector>
15*c8dee2aaSAndroid Build Coastguard Worker 
16*c8dee2aaSAndroid Build Coastguard Worker #ifdef SK_CODEC_DECODES_JPEG_GAINMAPS
17*c8dee2aaSAndroid Build Coastguard Worker #include "include/private/SkXmp.h"
18*c8dee2aaSAndroid Build Coastguard Worker #endif  // SK_CODEC_DECODES_JPEG_GAINMAPS
19*c8dee2aaSAndroid Build Coastguard Worker 
20*c8dee2aaSAndroid Build Coastguard Worker class SkData;
21*c8dee2aaSAndroid Build Coastguard Worker class SkJpegSourceMgr;
22*c8dee2aaSAndroid Build Coastguard Worker struct SkGainmapInfo;
23*c8dee2aaSAndroid Build Coastguard Worker 
24*c8dee2aaSAndroid Build Coastguard Worker using SkJpegMarker = SkJpegMetadataDecoder::Segment;
25*c8dee2aaSAndroid Build Coastguard Worker using SkJpegMarkerList = std::vector<SkJpegMarker>;
26*c8dee2aaSAndroid Build Coastguard Worker 
27*c8dee2aaSAndroid Build Coastguard Worker class SkJpegMetadataDecoderImpl : public SkJpegMetadataDecoder {
28*c8dee2aaSAndroid Build Coastguard Worker public:
29*c8dee2aaSAndroid Build Coastguard Worker     SkJpegMetadataDecoderImpl(SkJpegMarkerList markerList);
30*c8dee2aaSAndroid Build Coastguard Worker     SkJpegMetadataDecoderImpl(sk_sp<SkData> data);
31*c8dee2aaSAndroid Build Coastguard Worker 
32*c8dee2aaSAndroid Build Coastguard Worker     bool findGainmapImage(SkJpegSourceMgr* sourceMgr,
33*c8dee2aaSAndroid Build Coastguard Worker                           sk_sp<SkData>& outGainmapImageData,
34*c8dee2aaSAndroid Build Coastguard Worker                           SkGainmapInfo& outGainmapInfo) const;
35*c8dee2aaSAndroid Build Coastguard Worker 
36*c8dee2aaSAndroid Build Coastguard Worker #ifdef SK_CODEC_DECODES_JPEG_GAINMAPS
37*c8dee2aaSAndroid Build Coastguard Worker     std::unique_ptr<SkXmp> getXmpMetadata() const;
38*c8dee2aaSAndroid Build Coastguard Worker #endif  // SK_CODEC_DECODES_JPEG_GAINMAPS
39*c8dee2aaSAndroid Build Coastguard Worker 
40*c8dee2aaSAndroid Build Coastguard Worker     // SkJpegMetadataDecoder implementation:
41*c8dee2aaSAndroid Build Coastguard Worker     sk_sp<SkData> getExifMetadata(bool copyData) const override;
42*c8dee2aaSAndroid Build Coastguard Worker     sk_sp<SkData> getICCProfileData(bool copyData) const override;
43*c8dee2aaSAndroid Build Coastguard Worker     sk_sp<SkData> getISOGainmapMetadata(bool copyData) const override;
44*c8dee2aaSAndroid Build Coastguard Worker     bool mightHaveGainmapImage() const override;
45*c8dee2aaSAndroid Build Coastguard Worker     bool findGainmapImage(sk_sp<SkData> baseImageData,
46*c8dee2aaSAndroid Build Coastguard Worker                           sk_sp<SkData>& outGainmapImageData,
47*c8dee2aaSAndroid Build Coastguard Worker                           SkGainmapInfo& outGainmapInfo) override;
48*c8dee2aaSAndroid Build Coastguard Worker 
49*c8dee2aaSAndroid Build Coastguard Worker private:
50*c8dee2aaSAndroid Build Coastguard Worker     SkJpegMarkerList fMarkerList;
51*c8dee2aaSAndroid Build Coastguard Worker };
52*c8dee2aaSAndroid Build Coastguard Worker 
53*c8dee2aaSAndroid Build Coastguard Worker #endif  // SkJpegMetadataDecoderImpl_DEFINED
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