初学1天，本来想做个自适应，结果放弃思考了

[NukedBart]

if (event.user.code == VIDEO_SIZE_CHANGED_CODE) {
				RECT rtc, rtd;
				::SystemParametersInfo(SPI_GETWORKAREA, 0, (PVOID)&rtc, 0);
				::GetWindowRect(GetDesktopWindow(), &rtd); 
				int maxwidth = GetSystemMetrics(SM_CXSCREEN), 
					maxheight = GetSystemMetrics(SM_CYSCREEN),
					
					fullwidth = GetSystemMetrics(SM_CXSCREEN), 
					fullheight = GetSystemMetrics(SM_CYFULLSCREEN), 
					twid = 0, 
					thet = 0;
				
				unsigned int rawwidth = (unsigned int)event.user.data1, 
							rawheight = (unsigned int)event.user.data2;
				double proportion = rawwidth / rawheight;
				bool tskbarpos = rtc.top != rtd.top;
				std::cout
					<< "[Before processing]FullRes: "
					<< maxwidth << ", "
					<< maxheight << ", " << std::endl
					<< "[Before processing]NoTaskbar: "
					<< fullwidth << ", "
					<< fullheight << ", " << std::endl;
				int tskbarwid = (tskbarpos) ? maxheight - fullheight : maxwidth - fullwidth;
				std::cout << "TaskbarWidth: " << tskbarwid << std::endl;
				std::cout 
					<< "BigWidth: " << rawwidth-fullwidth 
					<< "BigHeight: " << rawheight-fullheight << std::endl;

				if (rawwidth > fullwidth | rawheight > fullheight) {
					if (
						((rawwidth > fullwidth) ? rawwidth - fullwidth : fullwidth - rawwidth) 
						> 
						((rawheight > fullheight) ? rawheight - fullheight : fullheight - rawheight) 
						& 
						rawwidth>fullwidth
					   ) {
						int twid = fullwidth - 20;
						std::cout << twid << std::endl;
						std::cout
							<< twid / rawwidth << std::endl
							<< twid / (int)rawwidth << std::endl
							<< (int)twid / (int)rawwidth << std::endl
							<< (double)twid / (double)rawwidth << std::endl;
						int thet = (int)(((double)twid / (double)rawwidth) * (double)rawheight);
					}
					else {
						int thet = fullheight - 20;
						std::cout
							<< thet / rawheight << std::endl
							<< thet / (int)rawheight << std::endl
							<< (int)thet / (int)rawheight << std::endl
							<< (double)thet / (double)rawheight << std::endl
							<< ((double)thet / (double)rawheight) * (double)rawheight << std::endl;
						double twid = (((double)thet / (double)rawheight) * (double)rawwidth);
						// (956/1080)*1440=-9.2559631349317831e+61
					}
				}
				else {
					twid = rawwidth, thet = rawheight;
				}
				std::cout 
					<< "FullRes: "
					<< maxwidth << ", "
					<< maxheight << ", "
					<< "NoTaskbar: "
					<< fullwidth << ", "
					<< fullheight << ", "
					<< "FromIDevices: "
					<< rawwidth << ", "
					<< rawheight << ", "
					<< "Outputting: "
					<< twid << ", "
					<< thet << std::endl;
				/*
				OnInit: 0, 0
				[Before processing]FullRes: 1920, 1080,
				[Before processing]NoTaskbar: 1920, 976,
				TaskbarWidth: 104
				BigWidth: 4294966816BigHeight: 104
				0
				0
				0
				0.885185
				956
				FullRes: 1920, 1080, NoTaskbar: 1920, 976, FromIDevices: 1440, 1080, Outputting: 0, 0
				*/
				if (twid != m_rect.w || thet != m_rect.h || m_yuv == NULL) {
					unInitVideo();
					initVideo(twid, thet);
				}
			}

[NukedBart]

太丢人了qwq