screen capture video on windows

The idea of remote screen capture is very simple, that is, direct access to the device's video memory data, reproduced by the PC screen. Since we have implemented the Custom channel, we can complete the data acquisition by adding a custom_command_screenshots command on the basis of the original program. But what's more

Recently developed an app, need a lot of knowledge of this, so wrote this document, hoping to help some need to consult the small partners, basically is the code snippets, there is no conceptual knowledge.Capture part of a picture-(UIImage *) Getpartofimage: (UIImage *) img rect: (cgrect) partrect { = img. cgimage; = Cgimagecreatewithimageinrect (imageref, partrect); *retimg = [UIImage imagewithcgimage:imagepartref]; Cgimagerelease (imagepartref); return retimg;

1. SDL (similar to DirectX) SDL (Simple DirectMedia Layer) is an open-source cross-platform multimedia development library written in C language. SDL provides several functions for controlling images, sounds, and outputs, developers can use the same or similar code to develop applications across multiple platforms (such as Linux, windows, and Mac OS X. Currently, SDL is mostly used for developing multimedia applications such as games, simulators, and

How does PHP capture screens? In Windows, use PHP for web pages. in Apache service properties, select "allow service and desktop switch" on the "login" tab !? Lt ;? Php $ browser = newCOM ("InternetExplorer. Application"); $ handle = $ browser- gt how does PHP capture screens? Using PHP for web pages in Windows In Apa

Mirror driver mirroring Drive, directly create a virtual graphics driver (personally think), the application calls the operating system needs to change the graphics display in advance intercept the application needs to display the area and content, and buffer into memory. Comparing the methods that capture the screen in real time and compare differences has the following advantages:1, CPU occupancy rate is

available in parts of the system to WPF forms. (Win7,windows server2008,windows Vista can intercept WPF forms, Windows XP cannot intercept WPF forms, possibly because Windows XP does not have WPF yet)Implementation area, there are four main steps, a capture full

system to WPF forms. (Win7,windows server2008,windows Vista can intercept WPF forms, Windows XP cannot intercept WPF forms, possibly because Windows XP does not have WPF yet)Implementation area, there are four main steps, a capture full

The most recent project used the big Huan DHQP300 video capture card for video surveillance applications, using Java development, no way, and have to re-encapsulate vendors to provide the SDK, just at the beginning of the use of the image is directly displayed on the computer screen, so there will be a problem, Moving

Want to take a picture of our computer and share it with a friend, or save it? So how do we get a screenshot? In fact, many methods, the following small series to introduce. The method is as follows: 1, the keyboard on the most line of the function key F12 and then to the right there is a key full name "Print screen" keyboard This key shorthand "PSC" or "Prt Sc". "Prt Sc" key This key is the system with the screenshot function key, aft

Google recently a period of time new products, following the Google Keep and flight search and then launched a Google capture application, the application can enable users to use the Hangouts screen screenshots. Google Capture If it's a screen-cutting tool, Google capture