| Ico (icon Image File Format) |
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Information AboutIco (icon Image File Format) |
The ICO file format is an image file format used for Icons in Microsoft Windows . The '''CUR''' file format for Cursor s is identical, save for a different identification byte in the header. It contains one or more small images at multiple bitmap and the Xor bitmap. The and bitmap is 1 bit per pixel and is applied first to decide which areas of the image are affected by the background. The xor bitmap is then applied using xor. This allows for Transparent areas in the image but also allows for inverting the background and other tricks. Originally 32x32 pixels square and using 16 colours, more recent versions of Windows support icons at multiple sizes and colour depths. Current icon files hold images of typically 16x16, 32x32, and 48x48 pixels at 4, 8, and 32 bit colour depth. The official IANA registered MIME type for ico files is image/vnd.microsoft.icon. Before this was registered image/x-icon was the accepted option that complied with the rules of using x- for unregistered tokens. However, many others are seen, including image/ico, image/icon, text/ico, and application/ico. Many web servers do not come configured with a mime type setting for .ico files, and may send their default mime type which might be text/html or text/plain.Recent versions of the GIMP have limited support for ico files. SEE ALSO
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