Patent Issues: LZW compression was patented, leading to controversy and PNG development patent expired in 2003. Browser Support: Broadly supported in web browsers and image viewers. Metadata: Limited metadata compared to formats like JPEG. Applications: Commonly used online for animation and transparency, less so for high-quality photography due to color limits. Aspect Ratio: Lacks inherent aspect ratio support. Standardization: Original version (87a) in 1987, enhanced version (GIF89a) in 1989 with animation and transparency improvements. Interlacing Option: Offers an interlaced format for quicker loading on slow connections. Transparency Support: Allows background transparency in images. Lossless Compression: Uses LZW compression, reducing file size without quality loss, effective for uniform color images. Animation Support: Stores multiple images for animated effects, popular for looping animations and web graphics. Color Limitation: Supports only 256 colors, making it suitable for graphics or logos but not for detailed photographs. □ The GIF (Graphics Interchange Format), introduced by CompuServe in 1987, is a bitmap image format with these characteristics: For sharing, images in XCF format are often exported to more universally recognized formats like PNG or JPEG. It's used for storing the entire composition including layers, channels, paths, and other elements that are part of a GIMP imageThe XCF format is designed to preserve all information GIMP can contain about an image however, due to its specific nature, it's not widely supported outside of GIMP. xcf format is the native image file format of the GIMP software (GNU Image Manipulation Program). □ Microsoft Windows Photo Gallery Viewer Video can also be interactive, allowing the viewer to control the content and make choices that affect the outcome of the experience. Video content can range from short clips to feature-length films, and can include a variety of visual and audio effects, such as music, sound effects, and voiceover narration. Video files can be compressed to reduce their size for storage and transmission, while maintaining an acceptable level of quality. It can be stored in a variety of file formats, including MP4, AVI, MOV, and WMV. □ Video content can be recorded using cameras or created digitally using software tools. Video can be displayed on a variety of devices, including televisions, computer monitors, and mobile devices. It is commonly used for entertainment, education, advertising, and communication. □ Video is a form of visual media that displays a sequence of images, typically at a high frame rate, to create the illusion of motion.
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