xref: /aosp_15_r20/external/skia/src/codec/SkAndroidCodecAdapter.h (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1*c8dee2aaSAndroid Build Coastguard Worker /*
2*c8dee2aaSAndroid Build Coastguard Worker  * Copyright 2015 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 #ifndef SkAndroidCodecAdapter_DEFINED
8*c8dee2aaSAndroid Build Coastguard Worker #define SkAndroidCodecAdapter_DEFINED
9*c8dee2aaSAndroid Build Coastguard Worker 
10*c8dee2aaSAndroid Build Coastguard Worker #include "include/codec/SkAndroidCodec.h"
11*c8dee2aaSAndroid Build Coastguard Worker #include "include/codec/SkCodec.h"
12*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkSize.h"
13*c8dee2aaSAndroid Build Coastguard Worker 
14*c8dee2aaSAndroid Build Coastguard Worker #include <cstddef>
15*c8dee2aaSAndroid Build Coastguard Worker 
16*c8dee2aaSAndroid Build Coastguard Worker struct SkIRect;
17*c8dee2aaSAndroid Build Coastguard Worker struct SkImageInfo;
18*c8dee2aaSAndroid Build Coastguard Worker 
19*c8dee2aaSAndroid Build Coastguard Worker /**
20*c8dee2aaSAndroid Build Coastguard Worker  *  This class wraps SkCodec to implement the functionality of SkAndroidCodec.
21*c8dee2aaSAndroid Build Coastguard Worker  *  The underlying SkCodec implements sampled decodes.  SkCodec's that do not
22*c8dee2aaSAndroid Build Coastguard Worker  *  implement that are wrapped with SkSampledCodec instead.
23*c8dee2aaSAndroid Build Coastguard Worker  */
24*c8dee2aaSAndroid Build Coastguard Worker class SkAndroidCodecAdapter : public SkAndroidCodec {
25*c8dee2aaSAndroid Build Coastguard Worker public:
26*c8dee2aaSAndroid Build Coastguard Worker 
27*c8dee2aaSAndroid Build Coastguard Worker     explicit SkAndroidCodecAdapter(SkCodec*);
28*c8dee2aaSAndroid Build Coastguard Worker 
~SkAndroidCodecAdapter()29*c8dee2aaSAndroid Build Coastguard Worker     ~SkAndroidCodecAdapter() override {}
30*c8dee2aaSAndroid Build Coastguard Worker 
31*c8dee2aaSAndroid Build Coastguard Worker protected:
32*c8dee2aaSAndroid Build Coastguard Worker 
33*c8dee2aaSAndroid Build Coastguard Worker     SkISize onGetSampledDimensions(int sampleSize) const override;
34*c8dee2aaSAndroid Build Coastguard Worker 
35*c8dee2aaSAndroid Build Coastguard Worker     bool onGetSupportedSubset(SkIRect* desiredSubset) const override;
36*c8dee2aaSAndroid Build Coastguard Worker 
37*c8dee2aaSAndroid Build Coastguard Worker     SkCodec::Result onGetAndroidPixels(const SkImageInfo& info, void* pixels, size_t rowBytes,
38*c8dee2aaSAndroid Build Coastguard Worker             const AndroidOptions& options) override;
39*c8dee2aaSAndroid Build Coastguard Worker 
40*c8dee2aaSAndroid Build Coastguard Worker private:
41*c8dee2aaSAndroid Build Coastguard Worker 
42*c8dee2aaSAndroid Build Coastguard Worker     using INHERITED = SkAndroidCodec;
43*c8dee2aaSAndroid Build Coastguard Worker };
44*c8dee2aaSAndroid Build Coastguard Worker #endif // SkAndroidCodecAdapter_DEFINED
45