1 /* 2 * Copyright (C) 2021 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 WEBP_ENCODER_H 16 #define WEBP_ENCODER_H 17 #include <vector> 18 #include "abs_image_encoder.h" 19 #include "plugin_class_base.h" 20 #include "webp/encode.h" 21 #include "src/images/SkImageEncoderFns.h" 22 #include "include/core/SkStream.h" 23 namespace OHOS { 24 namespace ImagePlugin { 25 class WebpEncoder : public AbsImageEncoder, public OHOS::MultimediaPlugin::PluginClassBase { 26 public: 27 WebpEncoder(); 28 ~WebpEncoder() override; 29 uint32_t StartEncode(OutputDataStream &outputStream, PlEncodeOptions &option) override; 30 uint32_t AddImage(Media::PixelMap &pixelMap) override; 31 uint32_t AddPicture(Media::Picture &picture) override; 32 uint32_t FinalizeEncode() override; 33 bool Write(const uint8_t* data, size_t data_size); 34 35 private: 36 DISALLOW_COPY_AND_MOVE(WebpEncoder); 37 bool CheckEncodeFormat(Media::PixelMap &pixelMap); 38 uint32_t SetEncodeConfig(Media::PixelMap &pixelMap, WebPConfig &webpConfig, WebPPicture &webpPicture); 39 uint32_t DoEncode(Media::PixelMap &pixelMap, WebPConfig &webpConfig, WebPPicture &webpPicture); 40 uint32_t DoEncodeForICC(Media::PixelMap &pixelMap); 41 bool DoTransform(Media::PixelMap &pixelMap, char* dst, int componentsNum); 42 43 private: 44 Media::ColorSpace GetColorSpace(Media::PixelMap &pixelMap); 45 Media::PixelFormat GetPixelFormat(Media::PixelMap &pixelMap); 46 Media::AlphaType GetAlphaType(Media::PixelMap &pixelMap); 47 bool GetIcc(Media::PixelMap &pixelMap); 48 bool IsOpaque(Media::PixelMap &pixelMap); 49 50 private: 51 static bool DoTransformMemcpy(Media::PixelMap &pixelMap, char* dst, int componentsNum); 52 static bool DoTransformRGBX(Media::PixelMap &pixelMap, char* dst, int componentsNum); 53 static bool DoTransformRgbA(Media::PixelMap &pixelMap, char* dst, int componentsNum); 54 static bool DoTransformBGRX(Media::PixelMap &pixelMap, char* dst, int componentsNum); 55 static bool DoTransformBGRA(Media::PixelMap &pixelMap, char* dst, int componentsNum); 56 static bool DoTransformBgrA(Media::PixelMap &pixelMap, char* dst, int componentsNum); 57 static bool DoTransformF16To8888(Media::PixelMap &pixelMap, char* dst, int componentsNum); 58 static bool DoTransformF16pTo8888(Media::PixelMap &pixelMap, char* dst, int componentsNum); 59 static bool DoTransformArgbToRgb(Media::PixelMap &pixelMap, char* dst, int componentsNum); 60 static bool DoTransformArgbToRgba(Media::PixelMap &pixelMap, char* dst, int componentsNum); 61 static bool DoTransformRGB565(Media::PixelMap &pixelMap, char* dst, int componentsNum); 62 static bool DoTransformGray(Media::PixelMap &pixelMap, char* dst, int componentsNum); 63 static Media::ImageInfo MakeImageInfo(int width, int height, Media::PixelFormat pf, Media::AlphaType at, 64 Media::ColorSpace cs = Media::ColorSpace::SRGB); 65 static void ShowTransformParam(const Media::ImageInfo &srcInfo, const uint32_t &srcRowBytes, 66 const Media::ImageInfo &dstInfo, const uint32_t &dstRowBytes, const int &componentsNum); 67 68 private: 69 OutputDataStream *outputStream_ {nullptr}; 70 SkDynamicMemoryWStream memoryStream_; 71 std::vector<Media::PixelMap *> pixelMaps_; 72 PlEncodeOptions encodeOpts_; 73 74 int32_t componentsNum_ {0}; 75 76 // ICC data 77 bool iccValid_ {false}; 78 uint8_t* iccBytes_ {nullptr}; 79 size_t iccSize_ {0}; 80 }; 81 } // namespace ImagePlugin 82 } // namespace OHOS 83 84 #endif // WEBP_ENCODER_H 85