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Transparency (graphic) GIF animation of an Apollonian sphere packing with transparent background. Transparency in computer graphics is possible in a number of file formats. The term "transparency" is used in various ways by different people, but at its simplest there is "full transparency" i.e. something that is completely invisible.
Website. www .w3 .org /Graphics /GIF /spec-gif89a .txt. The Graphics Interchange Format ( GIF; / ɡɪf / GHIF or / dʒɪf / JIF, see § Pronunciation) is a bitmap image format that was developed by a team at the online services provider CompuServe led by American computer scientist Steve Wilhite and released on June 15, 1987.
The reason a spacer GIF is invisible is so that an HTML developer can create a table cell and fill the background with a specific color that can be viewed through the transparent spacer GIF. For instance, a developer seeking to create a square blue box 500 pixels on a side could use a separate blue 500×500 graphic at the expense of additional ...
A PNG file contains a single image in an extensible structure of chunks, encoding the basic pixels and other information such as textual comments and integrity checks documented in RFC 2083. [7] PNG files have the ".png" file extension and the "image/png" MIME media type. [8] PNG was published as an informational RFC 2083 in March 1997 and as ...
Steve Wilhite's slide at the 2013 Webby Awards. The pronunciation of GIF, an acronym for the Graphics Interchange Format, has been disputed since the 1990s.Popularly rendered in English as a one-syllable word, the acronym is most commonly pronounced / ɡ ɪ f / ⓘ (with a hard g as in gift) or / dʒ ɪ f / ⓘ (with a soft g as in gem), differing in the phoneme represented by the letter G.
In computer graphics, alpha compositing or alpha blending is the process of combining one image with a background to create the appearance of partial or full transparency. [1] It is often useful to render picture elements (pixels) in separate passes or layers and then combine the resulting 2D images into a single, final image called the composite .
In Windows 95–98, Windows 2000 and Windows Me, Paint can open JPEG, GIF and 48-bit TIF images and save images in JPEG and GIF formats when appropriate graphics filters are installed. Such plug-ins are included with Microsoft Office and Microsoft PhotoDraw. This also allows Paint to use transparent backgrounds.
Throbber. A throbber, also known as a loading icon, is an animated graphical control element used to show that a computer program is performing an action in the background (such as downloading content, conducting intensive calculations or communicating with an external device). [1] [2] [3] In contrast to a progress bar, a throbber does not ...
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