Supported File Formats Index


GIO stands for Graphics Input/Output. A .GIO file contains code to handle loading and saving images from Photogenics. As these are external files and not part of the main program, other programmers can write .GIO files for other formats that Photogenics does not directly support. Some of these new .GIO files may become available through Public Domain libraries or magazine cover-disks, others will be available on upgrades from Almathera. Simply copy new .GIO files into your Photogenics:data/GIO directory and Photogenics will automatically use them the next time it is run.

Some GIOs have the ability to autodetect a file. When the `Open..' option is chosen from the Photogenics menu it will try and detect what sort of file it is loading. Other GIOs do not support autodetect (some files are impossible to identify - they do not carry a unique `signature' to determine them from other possible file types). To load a file which is in one of these formats you will need to select the `Open as/other...' menu option and select the file type from the list manually.

Other GIOs do not use files at all. For example, the V-Lab GIO controls the V-Lab Video Digitizer to create new images, and the Opalvision GIO `saves' images by displaying them on the Opalvision graphics card (both of these require extra hardware). For these autodetect is irrelavent and they must always be called from the Loaders and Savers lists (opened by `Open as/other...' and `Save as/other...').

By default Photogenics installs all of these GIO files onto your hard drive. You may want to clean up your system by moving those you rarely use or are unlikey to need (such as those for graphics hardware you don't own) into the STORAGE drawer inside your Photogenics drawer. This works just like the Storage drawer on your Amiga System drive. Drag things out of the GIO, Effects, PaintModes, etc. drawers and move them into their respective drawers in the Photogenics/Storage folder. When you reboot the modules won't be loaded (and you'll save some memory too!)

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