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词条 ANI (file format)
释义

  1. File structure

      Sequencing  

  2. See also

  3. External links

{{about|the file format||Ani (disambiguation)}}{{Infobox file format
| name = ANI
| extension = .ani
| mime =
| owner = Microsoft
| genre = animated raster image format for mouse cursors
| containerfor =
| containedby =
| extendedfrom =
| extendedto =
}}

The ANI file format is a graphics file format used for animated mouse cursors on the Microsoft Windows operating system.

The format is based on the Microsoft Resource Interchange File Format, which is used as a container for storing the individual frames (which are standard Windows icons) of the animation.

File structure

Animated cursors contain the following information: (in order of position in the file)

  • Name (optional)
  • Artist information (optional)
  • Default frame rate
  • Sequence information
  • Cursor hotspot
  • Individual frame(s), in ICO format
  • Individual frame rates (optional)

Frame rates are measured in jiffies, with one jiffy equal to 1/60 of a second, or 16.666 ms.

Sequencing

Sequence information present in the file determines the sequence of frames, and allows frames to be played more than once, or in a different order than that in which they appear in the file. For example, if the animation contains three different images numbered 1, 2 and 3, and the sequence is 1-2-3-2-1, (five frames) then only three icons need to be stored in the file, thereby saving storage space.

See also

  • Pointer (graphical user interfaces)
  • ICO (file format)

External links

  • Description of the ani file format
  • Vulnerability in Windows Animated Cursor Handling
  • .Ani Editor
{{Graphics file formats}}{{windows-stub}}

2 : Graphics file formats|Windows architecture

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