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Some image formats, such as PNG and TIFF, also allow partial transparency through an alpha channel, which solves the edge limitation problem. Instead of each pixel either being transparent or not transparent, it can be set to 254 levels of partially transparent, allowing some of the background image to show through the foreground image.
Administrators: Please do not delete this category as empty! This category may be empty occasionally or even most of the time. Wikimedia Commons has media related to Images with opaque backgrounds .
When converting an image from the PNG format to GIF, the image quality may suffer due to posterization if the PNG image has more than 256 colors. GIF intrinsically supports animated images. PNG supports animation only via unofficial extensions (see the section on animation, above). PNG images are less widely supported by older browsers.
Also, most images found on the web do not meet our non-free content policy, which states that a non-free image may be used only when it cannot be replaced. For example, there's no way that a logo of a political party or a screenshot of a video game can be replaced by a free image, but a photo of a living person or location can almost always be ...
Date: 2 January 2012: Source: Own work.This file was derived from: Front view of a woman.jpg Author: Taken at City Studios in Stockholm (www.stockholmsfotografen.se), September 29, 2011, with assistance from KYO (The organisation of life models) in Stockholm.
Some fine art, clip art is still sold on a rights managed basis. However this type of image rights has seen a steep decline in the past 20 years as royalty free licenses have become the preferred model for clip art. Public domain images continue to be one of the most popular types of clip art because the image rights are free.
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Sometimes, you find a drawing or similar image useful for a Wikipedia article, that was saved as a JPEG but should have been saved as a PNG.JPEG is good for images where the color changes fluidly throughout the image, like in a photograph, whereas PNG files are good for images with relatively few colors, such as a drawing of a flag, a chart, or a map; note that sometimes SVG is better.
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