Wednesday, June 12, 2013

Wallpaper PC Free Download Images Photos Pictures Wallpapers 2013

Wallpaper PC Free Download Biography

Source:-Google.com.pk
Images used as computer wallpaper are usually raster graphics with the same size as the display resolution (for example 1024×768 pixels, or 1280×1024 pixels) in order to fill the whole background. Many screen resolutions are proportional, so an image scaled to fit in a different-sized screen will often be the correct shape, albeit that scaling may impact quality. PNG and JPEG format are common.
Most display systems are capable of specifying a single-colour to use as the background in place of a wallpaper, and some (such as KDE or GNOME) allow colour-gradients to be specified. Microsoft Windows 3.x and 9x systems allow using editable repeating two-color 8×8 tiles for background.
Some desktop systems, such as Mac OS (version 8.6 or later), KDE (version 3.4 or later), and GNOME, support vector wallpapers (PICT in Mac and SVG in KDE and GNOME). This has the advantage that a single file may be used for screens of any size, or stretched across several screens, without loss of quality.
Users with widescreen (16:9 or 16:10) monitors have different aspect ratio requirements for wallpaper, although images designed for standard (4:3) monitors can often be scaled or cropped to the correct shape without loss of quality.
Some display systems allow unconventionally-proportioned images (1:1, 2:1, or even 1:3) to be scaled without change of proportion, to fit the screen, whether it be 16:9 or 4:3. The image would be sized just large enough that one pair of edges touch the edges of the screen, but not all four, as this would unduly distort the image.


Wallpaper PC Free Download Images Photos Pictures Wallpapers 2013
Wallpaper PC Free Download Images Photos Pictures Wallpapers 2013
Wallpaper PC Free Download Images Photos Pictures Wallpapers 2013
 Wallpaper PC Free Download Images Photos Pictures Wallpapers 2013
Wallpaper PC Free Download Images Photos Pictures Wallpapers 2013
Wallpaper PC Free Download Images Photos Pictures Wallpapers 2013
Wallpaper PC Free Download Images Photos Pictures Wallpapers 2013
Wallpaper PC Free Download Images Photos Pictures Wallpapers 2013
Wallpaper PC Free Download Images Photos Pictures Wallpapers 2013
 Wallpaper PC Free Download Images Photos Pictures Wallpapers 2013
Wallpaper PC Free Download Images Photos Pictures Wallpapers 2013



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