qq_28581781的博客

By aSVG color name, such as "red", "green" or "lightsteelblue". By a hexadecimal triplet or quad in the form"#RRGGBB"and"#AARRGGBB"respectively. For example, the color red corresponds to a triplet of"#FF0000"and a slightly transparent blue to a qua...

打包软件下载地址：http://pan.baidu.com/s/1dDQHqoD第一步：首先，生成release的版本，并将应用程序用到的动态库都拷贝到应用程序所在的目录下，并保证该应用程序在该目录下可以直接运行；如下图第二步：安装完该打包软件之后，打开该软件这个就是打包之后的安装文件；第三步：安装该...

查询摄像头支持分辨率的APIQCamera::supportedViewfinderResolutions() 查询摄像头支持帧率的APIQCamera::supportedViewfinderFrameRateRanges() 设置摄像头采集分辨率和帧率的APIvoid setViewfinderSettings(const QCameraViewfinderSetti...

1、写回调函数：static BOOL CALLBACK StaticEnumWindowsProc(HWND hwnd, LPARAM lParam){ GetWindowText(hwnd, app_name, sizeof(app_name)); //获取窗口名称 HICON hIcon = (HICON)GetClassLong(hwnd, GCL_...

QPixmap MainWindow::grabWindow(HWND winId, int x, int y, int w, int h){ RECT r; GetClientRect(winId, &r); if (w < 0) w = r.right - r.left; if (h < 0) h = r.bottom - r.top; HDC display_dc = GetDC(winId); HDC bitmap_dc = CreateComp