1 /*
2  * Copyright (C) 2023 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef PLUGINS_COMMON_LIBS_IMAGE_LIBEXTPLUGIN_INCLUDE_EXT_WSTREAM_H
17 #define PLUGINS_COMMON_LIBS_IMAGE_LIBEXTPLUGIN_INCLUDE_EXT_WSTREAM_H
18 
19 #include <cstddef>
20 #include <vector>
21 #include "include/core/SkStream.h"
22 #include "output_data_stream.h"
23 #include "nocopyable.h"
24 #include "buffer_metadata_stream.h"
25 
26 namespace OHOS {
27 namespace ImagePlugin {
28 class ExtWStream : public SkWStream, NoCopyable {
29 public:
30     ExtWStream() = default;
31     explicit ExtWStream(OutputDataStream *stream);
~ExtWStream()32     virtual ~ExtWStream() override
33     {
34         stream_ = nullptr;
35     }
36     bool write(const void* buffer, size_t size) override;
37     void flush() override;
38     size_t bytesWritten() const override;
39 private:
40     ImagePlugin::OutputDataStream *stream_;
41 };
42 
43 class MetadataWStream : public SkWStream, NoCopyable {
44 public:
MetadataWStream()45     MetadataWStream() {stream_ = new Media::BufferMetadataStream();};
~MetadataWStream()46     virtual ~MetadataWStream() override
47     {
48         delete stream_;
49         stream_ = nullptr;
50     }
51     bool write(const void* buffer, size_t size) override;
flush()52     void flush() override{};
53     size_t bytesWritten() const override;
54     uint8_t* GetAddr();
55 private:
56     Media::BufferMetadataStream *stream_;
57 };
58 
59 } // namespace ImagePlugin
60 } // namespace OHOS
61 
62 #endif // PLUGINS_COMMON_LIBS_IMAGE_LIBEXTPLUGIN_INCLUDE_EXT_WSTREAM_H
63