1 /*
2  * Copyright (c) 2024 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 #ifndef PIXEL_MAP_H
16 #define PIXEL_MAP_H
17 
18 #include "ffi_remote_data.h"
19 #include "pixel_map.h"
20 #include "image_source_impl.h"
21 #include <string>
22 
23 namespace OHOS {
24 namespace Media {
25 class FFI_EXPORT PixelMapImpl : public OHOS::FFI::FFIData {
26     DECL_TYPE(PixelMapImpl, OHOS::FFI::FFIData)
27 public:
28     explicit PixelMapImpl(std::shared_ptr<PixelMap> ptr_);
29     std::shared_ptr<PixelMap> GetRealPixelMap();
30     uint32_t ReadPixelsToBuffer(uint64_t &bufferSize, uint8_t *dst);
31     uint32_t WriteBufferToPixels(uint8_t *source, uint64_t &bufferSize);
32     int32_t GetDensity();
33     uint32_t Opacity(float percent);
34     uint32_t Crop(Rect &rect);
35     uint32_t GetPixelBytesNumber();
36     uint32_t GetBytesNumberPerRow();
37     uint32_t ReadPixels(uint64_t &bufferSize, uint32_t &offset, uint32_t &stride,
38                                 Rect &region, uint8_t *dst);
39     uint32_t WritePixels(uint8_t *source, uint64_t &bufferSize, uint32_t &offset,
40                         uint32_t &stride, Rect &region);
41     uint32_t SetColorSpace(std::shared_ptr<OHOS::ColorManager::ColorSpace> colorSpace);
42     std::shared_ptr<OHOS::ColorManager::ColorSpace> GetColorSpace();
43     uint32_t ApplyColorSpace(std::shared_ptr<OHOS::ColorManager::ColorSpace> colorSpace);
44 
45     void GetImageInfo(ImageInfo &imageInfo);
46     void Scale(float xAxis, float yAxis);
47     void Flip(bool xAxis, bool yAxis);
48     void Rotate(float degrees);
49     void Translate(float xAxis, float yAxis);
50 
51     bool GetIsEditable();
52     bool GetIsStrideAlignment();
53 
54     static std::unique_ptr<PixelMap> CreatePixelMap(const InitializationOptions &opts);
55     static std::unique_ptr<PixelMap> CreatePixelMap(uint32_t *colors, uint32_t colorLength,
56         InitializationOptions &opts);
57     static std::unique_ptr<PixelMap> CreateAlphaPixelMap(PixelMap &source, InitializationOptions &opts);
58 private:
59     std::shared_ptr<PixelMap> real_;
60 };
61 }
62 }
63 
64 #endif
65