hwnd create_transparent_window(hwnd game_hwnd)
{
const char* window_name = "transparent";
WNDCLASSEXA window_class;
ZeroMemory(&window_class, sizeof(window_class));
window_class.cbSize = sizeof(window_class);
window_class.hCursor = LoadCursor(0, IDC_ARROW);
window_class.hInstance = GetModuleHandle(NULL);
window_class.lpfnWndProc = window_proc;
window_class.lpszClassName = window_name;
window_class.lpszMenuName = window_name;
window_class.style = CS_VREDRAW | CS_HREDRAW;
hresult result = RegisterClassExA(&window_class);
error(result, "RegisterClassExA失败");
int x, y, width, height;
get_window_size(game_hwnd, x, y, width, height);
hwnd transparent_hwnd = CreateWindowExA(WS_EX_TOPMOST | WS_EX_TRANSPARENT | WS_EX_LAYERED,
window_name, window_name, WS_POPUP, x, y, width, height, NULL, NULL, GetModuleHandle(NULL), NULL);
error(transparent_hwnd, "CreateWindowExA失败");
SetLayeredWindowAttributes(transparent_hwnd, 0, RGB(0, 0, 0), LWA_COLORKEY);
UpdateWindow(transparent_hwnd);
ShowWindow(transparent_hwnd, SW_SHOW);
return transparent_hwnd;
}
