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DllMain.cpp
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DllMain.cpp
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// Copyright (c) 2021 - present, Liu Xu
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
#include "pch.h"
#include "App.h"
#include "Utils.h"
#include "StrUtils.h"
#include "Logger.h"
#define API_DECLSPEC extern "C" __declspec(dllexport)
static HINSTANCE hInst = NULL;
// DLL 入口
BOOL APIENTRY DllMain(
HMODULE hModule,
DWORD ul_reason_for_call,
LPVOID lpReserved
) {
switch (ul_reason_for_call) {
case DLL_PROCESS_ATTACH:
hInst = hModule;
break;
case DLL_PROCESS_DETACH:
break;
case DLL_THREAD_ATTACH:
break;
case DLL_THREAD_DETACH:
break;
}
return TRUE;
}
// 日志级别:
// 0:TRACE,1:DEBUG,...,6:OFF
API_DECLSPEC void WINAPI SetLogLevel(UINT logLevel) {
Logger::Get().SetLevel((spdlog::level::level_enum)logLevel);
}
API_DECLSPEC BOOL WINAPI Initialize(
UINT logLevel,
const char* logFileName,
int logArchiveAboveSize,
int logMaxArchiveFiles
) {
// 初始化日志
if (!Logger::Get().Initialize(logLevel, logFileName, logArchiveAboveSize, logMaxArchiveFiles)) {
return FALSE;
}
// 初始化 App
if (!App::Get().Initialize(hInst)) {
return FALSE;
}
// 初始化 Hasher
if (!Utils::Hasher::Get().Initialize()) {
return FALSE;
}
return TRUE;
}
API_DECLSPEC const char* WINAPI Run(
HWND hwndSrc,
const char* effectsJson,
UINT flags,
UINT captureMode,
float cursorZoomFactor, // 负数和 0:和源窗口相同,正数:缩放比例
UINT cursorInterpolationMode, // 0:最近邻,1:双线性
int adapterIdx,
UINT multiMonitorUsage, // 0:最近 1:相交 2:所有
UINT cropLeft,
UINT cropTop,
UINT cropRight,
UINT cropBottom
) {
Logger& logger = Logger::Get();
if (!hwndSrc || !IsWindow(hwndSrc)) {
logger.Critical("非法的源窗口句柄");
return ErrorMessages::GENERIC;
}
const auto& version = Utils::GetOSVersion();
logger.Info(fmt::format("OS 版本:{}.{}.{}",
version.dwMajorVersion, version.dwMinorVersion, version.dwBuildNumber));
int len = GetWindowTextLength(hwndSrc);
if (len <= 0) {
logger.Info("源窗口无标题");
} else {
std::wstring title(len, 0);
if (!GetWindowText(hwndSrc, &title[0], int(title.size() + 1))) {
Logger::Get().Error("获取源窗口标题失败");
} else {
Logger::Get().Info(StrUtils::Concat("源窗口标题:", StrUtils::UTF16ToUTF8(title)));
}
}
App& app = App::Get();
if (!app.Run(hwndSrc, effectsJson, captureMode,
cursorZoomFactor, cursorInterpolationMode, adapterIdx, multiMonitorUsage,
RECT{(LONG)cropLeft, (LONG)cropTop, (LONG)cropRight, (LONG)cropBottom}, flags)
) {
// 初始化失败
Logger::Get().Info("App.Run 失败");
return app.GetErrorMsg();
}
logger.Info("即将退出");
logger.Flush();
return nullptr;
}
// ----------------------------------------------------------------------------------------
// 以下函数在用户界面的主线程上调用
API_DECLSPEC const char* WINAPI GetAllGraphicsAdapters(const char* delimiter) {
static std::string result;
result.clear();
winrt::com_ptr<IDXGIFactory1> dxgiFactory;
HRESULT hr = CreateDXGIFactory1(IID_PPV_ARGS(&dxgiFactory));
if (FAILED(hr)) {
return "";
}
winrt::com_ptr<IDXGIAdapter1> adapter;
for (UINT adapterIndex = 0;
SUCCEEDED(dxgiFactory->EnumAdapters1(adapterIndex,adapter.put()));
++adapterIndex
) {
if (adapterIndex > 0) {
result += delimiter;
}
DXGI_ADAPTER_DESC1 desc;
HRESULT hr = adapter->GetDesc1(&desc);
if (SUCCEEDED(hr)) {
result += StrUtils::UTF16ToUTF8(desc.Description);
} else {
result += "???";
}
}
return result.c_str();
}