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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.
WUXGA [103] [84] [75] stands for Widescreen Ultra Extended Graphics Array and is a display resolution of 1920 × 1200 pixels (2,304,000 pixels) with a 16:10 screen aspect ratio. It is a wide version of UXGA. By some producers it is called FHD+ because it is the next bigger resolution in vertical direction after FHD (1920 × 1080). [10]
1080p (1920 × 1080 progressively displayed pixels; also known as Full HD or FHD, and BT.709) is a set of HDTV high-definition video modes characterized by 1,920 pixels displayed across the screen horizontally and 1,080 pixels down the screen vertically; [1] the p stands for progressive scan, i.e. non-interlaced.
The scanning of pixel values for binary transparency is supposed to be performed before any color reduction to avoid pixels becoming unintentionally transparent. This is most likely to pose an issue for systems that can decode 16-bits-per-channel images (as is required for compliance with the specification) but only output at 8 bits per channel ...
The uploader or another editor requests that a local copy of this file be kept. This image or media file is available on the Wikimedia Commons as File:Flag of the United States.svg, where categories and captions may be viewed.
The pixel values are stored in each bit, with the first (left-most) pixel in the most-significant bit of the first byte. [5] Each bit is an index into a table of 2 colors. An unset bit will refer to the first color table entry, and a set bit will refer to the last (second) color table entry.
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