ICO (.ico)
Background & Context
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- Registered MIME type: image/vnd.microsoft.icon
- Microsoft Windows icon.
- Raster image file format.
- Native icon format on Windows.
- ICO is an acronym derived from icon.
- Binary format.
- Can store multiple icons at different color resolutions.
- Supports alpha channels.
- Similar to CUR format.
Import & Export
- Import["file.ico"] imports an ICO file, returning all icons stored in the file as a list of Image objects.
- Import["file.ico",elem] imports the specified element from an ICO file.
- The import format can be specified with Import["file","ICO"] or Import["file",{"ICO",elem,…}].
- Export["file.ico",expr] exports an image, graphics, or a list of them to an ICO file.
- See the following reference pages for full general information:
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Import, Export import from or export to a file CloudImport, CloudExport import from or export to a cloud object ImportString, ExportString import from or export to a string ImportByteArray, ExportByteArray import from or export to a byte array
Import Elements
- General Import elements:
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"Elements" list of elements and options available in this file "Summary" summary of the file "Rules" list of rules for all available elements - Data representation elements:
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"Data" array of color values for each icon "GraphicsList" list of graphics objects "ImageList" all icons, given as a list of Image objects "GrayLevels" array of normalized gray-level values "RGBColorArray" array of RGBColor objects for each icon - Import by default uses the "ImageList" element for ICO files.
- Advanced Import elements:
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"BitDepth" number of bits used to represent each color channel "ColorSpace" color encoding used in the file "ImageSize" raster dimensions - ICO supports a maximum of 256×256 pixels images. Export will scale down Image and Graphics larger than 256 pixels to fit.