perf: Agent 尝试使用gzip bmp传输图片

Author: MistEO

3rdparty/include/cpp-base64/base64.hpp

@@ -168,8 +168,6 @@ _请留意，仅当您准备开发 MaaFramework 本身时，才需要阅读本
   A massively spiffy yet delicately unobtrusive compression library.
 - [gzip-hpp](https://github.com/mapbox/gzip-hpp)  
   Gzip header-only C++ library
-- [cpp-base64](https://github.com/ReneNyffenegger/cpp-base64)  
-  base64 encoding and decoding with c++
 - ~~[protobuf](https://github.com/protocolbuffers/protobuf)~~  
   ~~Protocol Buffers - Google's data interchange format~~
 - ~~[grpc](https://github.com/grpc/grpc)~~  

README.md

@@ -167,8 +167,6 @@ _Please note that you only need to read this chapter if you are ready to develop
   A massively spiffy yet delicately unobtrusive compression library.
 - [gzip-hpp](https://github.com/mapbox/gzip-hpp)  
   Gzip header-only C++ library
-- [cpp-base64](https://github.com/ReneNyffenegger/cpp-base64)  
-  base64 encoding and decoding with c++
 - ~~[protobuf](https://github.com/protocolbuffers/protobuf)~~  
   ~~Protocol Buffers - Google's data interchange format~~
 - ~~[grpc](https://github.com/grpc/grpc)~~  

README_en.md

@@ -5,7 +5,15 @@
 #include <regex>
 #include <string>
 
-#include <cpp-base64/base64.hpp>
+#ifdef _MSC_VER
+#pragma warning(push)
+#pragma warning(disable: 4068)
+#endif
+#include <gzip/decompress.hpp>
+#include <gzip/compress.hpp>
+#ifdef _MSC_VER
+#pragma warning(pop)
+#endif
 
 #include "Utils/Logger.h"
 #include "Utils/NoWarningCV.hpp"
@@ -162,9 +170,8 @@ cv::Mat decode_image(const std::string& data)
         return {};
     }
 
-    std::string base64 = base64::base64_decode(data);
-    std::vector<uchar> buffer(std::make_move_iterator(base64.begin()), std::make_move_iterator(base64.end()));
-    return cv::imdecode(buffer, cv::IMREAD_COLOR);
+    auto buffer = gzip::decompress(data.data(), data.size());
+    return cv::imdecode({ buffer.data(), static_cast<int>(buffer.size()) }, cv::IMREAD_COLOR);
 }
 
 std::string encode_image(const cv::Mat& image)
@@ -174,8 +181,9 @@ std::string encode_image(const cv::Mat& image)
     }
 
     std::vector<uchar> buffer;
-    cv::imencode(".png", image, buffer);
-    return base64::base64_encode(buffer.data(), buffer.size());
+    cv::imencode(".bmp", image, buffer);
+
+    return gzip::compress(reinterpret_cast<char*>(buffer.data()), buffer.size(), 0);
 }
 
 MAA_NS_END

source/MaaUtils/Codec/Codec.cpp

@@ -14,7 +14,7 @@ MAA_AGENT_NS_BEGIN
 // ReverseRequest: server -> client
 
 using MessageTypePlaceholder = int;
-inline static constexpr int kProtocolVersion = 1;
+inline static constexpr int kProtocolVersion = 2;
 
 struct StartUpRequest
 {