Wallpaper for an Amiga 600

Vars191 · 06 June 2011, 09:08

What is the format/type picture used for wallpaper for an Amiga 600 , I have tried png but it didn't work so what is it?

thomas · 06 June 2011, 09:25

WB up to 2.1 cannot use pictures, only patterns.

WB since 3.0 uses datatypes to load pictures. By default there is only IFF ILBM datatype installed. But you can add datatypes for PNG, JPG, GIF, whatever you like.

http://aminet.net/util/dtype

Read the requirements carefully. Many recent datatypes need OS 3.9 and/or 68020.

Also be aware that decoding image files needs a lot of processor power. A 68000 might need a significiant time before the image is shown.

Similarly the background picture needs quite a lot of chip RAM. So don't be surprised if half of your memory is gone when you've managed to install a wallpaper.

Jope · 06 June 2011, 10:44

Try to keep the wallpaper to four or eight colours, then it's at least somewhat usable.

If you only have chip ram and no fast ram at all, perhaps it's not a good idea. :-)

06 June 2011, 09:08	#1
Vars191 The Red Baron Rides Again Join Date: Apr 2008 Location: Brisbane Australia Posts: 324	Wallpaper for an Amiga 600 What is the format/type picture used for wallpaper for an Amiga 600 , I have tried png but it didn't work so what is it?

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06 June 2011, 09:25	#2
thomas Registered User Join Date: Jan 2002 Location: Germany Posts: 6,985	WB up to 2.1 cannot use pictures, only patterns. WB since 3.0 uses datatypes to load pictures. By default there is only IFF ILBM datatype installed. But you can add datatypes for PNG, JPG, GIF, whatever you like. http://aminet.net/util/dtype Read the requirements carefully. Many recent datatypes need OS 3.9 and/or 68020. Also be aware that decoding image files needs a lot of processor power. A 68000 might need a significiant time before the image is shown. Similarly the background picture needs quite a lot of chip RAM. So don't be surprised if half of your memory is gone when you've managed to install a wallpaper.

06 June 2011, 10:44	#3
Jope - Join Date: Jul 2003 Location: Helsinki / Finland Age: 43 Posts: 9,861	Try to keep the wallpaper to four or eight colours, then it's at least somewhat usable. If you only have chip ram and no fast ram at all, perhaps it's not a good idea. :-)

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