Sunday, April 6, 2008

How to go about to develop screensavers

& 39; What is what & 39; a screen saver?
A saver d & 39; screen is a very simple program, pop-up systems, which use & 39; appears every time that you use the keyboard or mouse without supervision for a few minutes. To find out whether they can start & 39; saver d & 39; screen or not, Windows sends a message to & 39; foreground. This command calls the application, & quot; Can I start & 39; saver d & 39; screen? & Quot; A Non-Windows program includes the command not, and therefore not answered Non. A CBT application, but responded with a bid, which means " No, I am in favour of an education at this time. & Quot; All other applications should be positive & 39; command.
The saving d & 39; screen was originally designed to display & 39; l & amp , 39; computer phosphorous occur. The phosphorus, which for the production of pixels to & 39; screen luisent at a constant rate such a long period, they were actually & 39; discolor the glass surface of the & 39; CRT monitor. This discoloration would be visible as a weak picture of the superposition of all, what was on the monitor.
Now you saver d & 39; screen:? Entertainment - most people use efficiency d & 39; screen to the pleasure of it. There are various categories such as saver d & 39; screen: & 39; of the natural environment (such as animated waterfalls, aquariums, fireplaces ), favorite actor / actress saving d & 39; screen saver, d & 39; screen cars, etc.? Advertising - many companies have their own screen saver with a theme (eg, a black background with the name of the company from above and scroll down)? Security - it could l & 39; one of the most important applications. It is sufficient to establish a password when the computer from the screensaver really need & 39; a password to return to his office. Many people use this option, in order to prevent the invasion of their other & 39 d d privacy.
Screensaver Development
A saver & 39; screen is in fact only an executable file with the extension changed & 39;. Exe. Skr. By a saver d & 39; screen files in the Windows System directory, or him a name. Skr, Windows knows that it & 39; to process the file as a saver d & 39; screen, and is available as an option in the Display Properties window.
The much & 39; The & 39 d & saver; 39; screen Written in C + + and uses OpenGL for rendering. It is between the two versions of Windows, and Macintosh. The Windows version is also available in C + + and speaks directly to & 39; Win32 API (no classes CVMS). Is l & 39; development environment, Microsoft Visual C + + 2005 Express, but a VC + + 6.0 project is also included. The Macintosh version is a mixture of C + + and ObjectiveC, and comes with Xcode. L & 39; saver d & 39; indirectly screen interfaces with the system & 39; use because of the physical d & 39; display overlaid, with one or several graphics & quot; scenes & quot;. L & 39; saver d & 39; screen usually ends after the receipt of a message of the system & 39; operating system that the mouse has moved, or a key has been pressed.
The screensaver file can be programmed in different ways Difficult. It can? It& 39;s enough to make a black screen? Charger, and an image or a group of images & 39;? D display & 39, a line of text? D & 39; display an animation or & 39, a series of animations & 39;? Viewing the & 39 d & 39; information from another program or a Web site
To the needs of users developed several types of companies & 39; saving & d 39; screen based on? Shockwave Flash? Picture slideshows? More movies and music in various formats (avi, mpg, asf/mp3, aac, midi, wav)? 3D rendering of objects? D & 39; support Open GL screensavers screensavers
Most offer a combination of these features. Except for the slideshow saving d & 39; screen show, a sequence of images & 39;, d saver & 39; move usually a screen image, a text or an animation to The & 39; screen. The schooner d & 39; screen with an interface, and not with the window " Display Properties of & 39; everything, are less frequent. Normally, these screen saver & 39; nd & 39; have not & 39;. Skr. They demand that you, by you install a program & 39; to properly.
There are several programs available on the Internet that allows you to create your own saver d & 39; screen based on Shockwave Flash, Image Slide Show (display your favorite photos) and film. Software offers you the opportunity to use your imagination can be to lose, and utilize all types of multimedia as background music support, support & 39; transition effect, namely the support of the masking, fund d & 39 ; Customizable screen etc.
Installing dialogue and for the abolition of saver d & 39; screen under Microsoft Windows
There are two types of & 39; screen saver? Tablet auto screensaver install configuration files (. Exe)? Stand-alone screensaver file (. SCR)
The the easiest one saver d & 39; screen under MS-Windows is for download from d & 39; Internet and follow simple to install w izard new instructions. All you need to do during the & 39; assistants is to review and accept the conditions to choose the path d & 39; installation destination folder, and choose whether you want to or not , a shortcut icon on the menu folder. Another method is to copy w ith his screensaver. " Skr & 39; enlargement on W indow s from the root of the directory c: windows.
To remove a screen saver on your computer, it is sufficient to & 39; delete c: windows folder where They initially copied or L & 39; access & quot; add / rem ove the " program in the Control Panel and look & 39; saver ld & 39 ; screen installed the program in the list and click & quot; Add / rem ove button & 39;.
Configuring your screensaver
1. Click Start " " and then " " settings, and go to Control Panel. 2nd When the Control Panel window & 39; opens, double-click on the Display icon & 39;. This shows the window " Display Properties & 39;. 3rd Select & 39; Screen Saver tab, and select the save feature & 39 d & 39; screen that you want to use the drop-down menu. 4th Determine how many minutes you want, that the system slowed before Windows starts saver & 39; ld & 39; screen, and enter the number & 39; d & amp , 39; hours in the field. 5th Click Preview to see what it will look like & 39; use in full-screen mode. If you want to change the settings, click Settings " ". Depending on the Schooner & 39 d & 39; screen, this window can contain one or more options that you can change. 6th Once you are done, the settings, click OK. You can also & 39; screen saver for security by the & quot; through a password protected & quot;. Click OK and your saver d & 39; screen is finished!
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