xref: /aosp_15_r20/external/skia/src/codec/SkBmpBaseCodec.h (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1*c8dee2aaSAndroid Build Coastguard Worker /*
2*c8dee2aaSAndroid Build Coastguard Worker  * Copyright 2017 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 SkBmpBaseCodec_DEFINED
8*c8dee2aaSAndroid Build Coastguard Worker #define SkBmpBaseCodec_DEFINED
9*c8dee2aaSAndroid Build Coastguard Worker 
10*c8dee2aaSAndroid Build Coastguard Worker #include "include/codec/SkCodec.h"
11*c8dee2aaSAndroid Build Coastguard Worker #include "include/private/base/SkTemplates.h"
12*c8dee2aaSAndroid Build Coastguard Worker #include "src/codec/SkBmpCodec.h"
13*c8dee2aaSAndroid Build Coastguard Worker 
14*c8dee2aaSAndroid Build Coastguard Worker #include <cstdint>
15*c8dee2aaSAndroid Build Coastguard Worker #include <memory>
16*c8dee2aaSAndroid Build Coastguard Worker 
17*c8dee2aaSAndroid Build Coastguard Worker class SkStream;
18*c8dee2aaSAndroid Build Coastguard Worker struct SkEncodedInfo;
19*c8dee2aaSAndroid Build Coastguard Worker 
20*c8dee2aaSAndroid Build Coastguard Worker /*
21*c8dee2aaSAndroid Build Coastguard Worker  * Common base class for SkBmpStandardCodec and SkBmpMaskCodec.
22*c8dee2aaSAndroid Build Coastguard Worker  */
23*c8dee2aaSAndroid Build Coastguard Worker class SkBmpBaseCodec : public SkBmpCodec {
24*c8dee2aaSAndroid Build Coastguard Worker public:
25*c8dee2aaSAndroid Build Coastguard Worker     ~SkBmpBaseCodec() override;
26*c8dee2aaSAndroid Build Coastguard Worker 
27*c8dee2aaSAndroid Build Coastguard Worker     /*
28*c8dee2aaSAndroid Build Coastguard Worker      * Whether fSrcBuffer was successfully created.
29*c8dee2aaSAndroid Build Coastguard Worker      *
30*c8dee2aaSAndroid Build Coastguard Worker      * If false, this Codec must not be used.
31*c8dee2aaSAndroid Build Coastguard Worker      */
didCreateSrcBuffer()32*c8dee2aaSAndroid Build Coastguard Worker     bool didCreateSrcBuffer() const { return fSrcBuffer != nullptr; }
33*c8dee2aaSAndroid Build Coastguard Worker 
34*c8dee2aaSAndroid Build Coastguard Worker protected:
35*c8dee2aaSAndroid Build Coastguard Worker     SkBmpBaseCodec(SkEncodedInfo&& info, std::unique_ptr<SkStream>,
36*c8dee2aaSAndroid Build Coastguard Worker                    uint16_t bitsPerPixel, SkCodec::SkScanlineOrder rowOrder);
37*c8dee2aaSAndroid Build Coastguard Worker 
srcBuffer()38*c8dee2aaSAndroid Build Coastguard Worker     uint8_t* srcBuffer() { return reinterpret_cast<uint8_t*>(fSrcBuffer.get()); }
39*c8dee2aaSAndroid Build Coastguard Worker 
40*c8dee2aaSAndroid Build Coastguard Worker private:
41*c8dee2aaSAndroid Build Coastguard Worker     skia_private::UniqueVoidPtr fSrcBuffer;
42*c8dee2aaSAndroid Build Coastguard Worker 
43*c8dee2aaSAndroid Build Coastguard Worker     using INHERITED = SkBmpCodec;
44*c8dee2aaSAndroid Build Coastguard Worker };
45*c8dee2aaSAndroid Build Coastguard Worker #endif // SkBmpBaseCodec_DEFINED
46