All Manuals > CAPI User Guide > 13 Graphics Ports > 13.9 Working with images


13.9.2 Image formats supported for writing to disk

Graphic images can be written to files in several formats, using externalize-and-write-image .

All platforms can write at least BMP, JPG, PNG and TIFF files. Call the function list-known-image-formats with optional argument for-writing-too t to list the formats that the current platform supports for writing.

On Microsoft Windows and Cocoa you can also write GIF files, while on GTK+ you can also write ICO and CUR (cursor) files. The cursor files that are written with GTK+ can be used on Windows and Cocoa, although on Cocoa it does not recognize the hot-spot in a CUR file.

There is a simple example of writing a PNG image here:


CAPI User Guide (Macintosh version) - 30 Aug 2011