What is a screen saver?
A screen saver is a simple program in operating systems that appears
increasingly brought the keyboard or mouse for a couple of minutes. To find out
If you can start the protector of screen or not, Windows sends a message to the foreground
application. This command is asking for the application, “can I start the screen saver?” A non-
Windows program will not understand the command and therefore will not respond it. A CBT
application understand that, but it will respond with a command which means “I am not, providing”
“education now”. All other applications must respond positively to the command.
The screen savers were originally designed to protect your computer from
Phosphor burn-in. Matches, used to make the pixels on the screen, that shine in an
constant speed over a long period of time that would be really discolor the surface of glass
the CRT. This bleaching would be visible as a weak image to overlap anything
displayed in the monitor.
You can now use screensaver for:
? Entertainment – most people use screen savers for the fun of watching them.
There are various categories of screensaver as: environments natural (e.g.,)
(animated waterfall, tanks, fireplaces, etc.), favorite actress and actor
screen saver, screen saver cars etc..
? Advertisement – many companies have developed their own themes
screen savers (for example, a black background with the name of the company of displacement)
(above and below)
? Security – it may be one of the most important uses.Can simply establish a
password when the computer leaves the screen saver really will require a
password to return to your desktop. Many people use this option to avoid
others invade your privacy.
Development of screen saver
A screen saver is really only an executable file with the extension changed from .exe to
. SCR. To put a screen saver file in the Windows directory or the system and giving it a .scr
extension, Windows knows that you should treat this file as a screen saver and makes available
as an option in the display properties window.
Most of the screen saver is written in C++ and uses OpenGL for processing. It is shared
between the Windows and Macintosh versions. The Windows version is also in C++ and conversations
directly to the Win32 API (there classes MSVC). The development environment is Microsoft Visual
It also includes C++ 2005 Express, but a project of VC ++ 6.0. The Macintosh version is in a mixture of
C++ and ObjectiveC and is built with Xcode. The screensaver interfaces indirectly with the
operating system to cause the physical screen with one or more graphic plating
“scenes”. The screen saver usually ends after receiving a message from exploitation
system that the mouse has been moved or a key has been pressed.
The screen saver file can be programmed in several different ways. You can:
? Simply submit a black screen
? Upload and display an image in particular or group of images
? Display a line of text
? Show an animation or a series of animations
? Show information from another program or a Web site
According to the user, the needs of companies designed various kinds of screensavers based on:
? Shockwave Flash
? Image slideshows
? Play movies and different music formats (avi, mpg, asf/mp3, aac, midi, wav)
? Processing 3D objects
? Open GL support screen saver
Most screen savers offer a combination of these features. Except for slide shows
screensavers which show a sequence of images, screen savers generally move a
image, text, or animated around the screen. The screen saver with a
custom interface and do not use the display properties window to all, they are less common.
Generally, these screen savers do not have the extension. scr. Require the installation of
through a Setup program to configure them correctly.
There are several programs available on the internet that allows you to make your own
screensaver based on Shockwave Flash, image slide shows (display your favorite)
(photos) and film.The software offers you the possibility to let your imagination
loose and use all kinds of multimedia support such as support of background music, transition
Support of effect, support of masked, protective effect of customizable screen table of dialogue, etc..
Installing and removing Microsoft Windows screen savers
There are two types of screen savers:
? compressed self installing the screen saver configuration files (.)(EXE)
? independent screen saver file (.)(SCR)
It is the easiest way to install a screen saver under MS Windows platform download it
Internet and simply follow Setup w izard of additional instructions. All you have to do
during the wizard is: read and accept the terms and conditions to choose the destination of the installation
mapped out and choose if you want to or not to create a shortcut icon in the menu folder. Another
method is to copy the screen saver w ith his original ‘. scr’ extension in the root directory of s’s w indow
c:\Windows.
To remove a screensaver of the team simply delete it from the c:\Windows folder
where initially copied or access ‘ Add / rem ove program s’ in the Control Panel
, look for the screensaver from the list of installed programs s and click the ‘ Add button / rem ove’.
Configure your screen saver
1. Click Start, then click settings and go to the Control Panel.
2. When you open the Control Panel window, double-click the display icon. This
The display properties window will appear.
3. Select the screen saver tab and the screen saver you want to use from the
drop-down menu.
4 Determine how many minutes you want to the system is idle before Windows
starts the protector of screen and enter that amount of time in the corresponding box.
5 You can click on preview to see how it will look at the use of the full screen. If you want to
change the settings, click settings. Depending on the screen saver, can this window
they have one or more options that can be changed.
6. Once you have finished changing the settings, click OK. You can also use the
protective screen for safety in the “Password protected” check box. Click OK again
and your screen saver is set to go!
© 2006 Mastermen Pty Ltd
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