63 lines
2.8 KiB
Plaintext
63 lines
2.8 KiB
Plaintext
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@database IntuiViewer.guide
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@$VER: IntuiViewer.guide 40.1 (07/05/94)
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@node main "IntuiViewer - an Intuition-compatible picture viewer"
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This file documents IntuiViewer, a program written in AMOS to display pictures
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in an Intuition-friendly way.
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IntuiViewer is copyright <20> 1994 Andrew Church, but may be distributed freely
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as long as (1) it remains unmodified, (2) all files (the executable, source
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code, and this document) are distributed together, and (3) no fee, other than
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a minimal copying fee, is charged for the program.
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@{" Description " link Description} - Exactly what does it do?
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@{" Usage " link Usage} - How do I use it?
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@{" What's the Intuition Extension? " link Intuition.guide/main}
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@endnode
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@node Description "IntuiViewer - Description"
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@next Usage
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IntuiViewer is a program written in AMOS (and a bit of assembler) that
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displays pictures. Now, this kind of program would not be hard to write in
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AMOS - except that IntuiViewer, as its name implies, displays the pictures on
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Intuition screens. And to do that, it uses the Intuition Extension.
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Naturally, since I'm the author of the extension as well, this program shows
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off some of the capabilities of the extension. :-) Although the program is
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not yet very complex, due to both my lack of much knowledge of graphics file
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formats and the current state of the Intuition Extension. (I could have
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waited to add more features before releasing the extension, but then I'd never
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release it. :-) ) As I add more functionality to the extension, this program
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will improve as well.
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@endnode
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@node Usage
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@prev Description
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To run IntuiViewer, either double-click on its icon from the Workbench, type
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"IntuiViewer" from the Shell, or load it into AMOS and run it.
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When the program starts, it immediately brings the Workbench display to the
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front if necessary. Then it opens a window and prints a welcome message, and
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puts up a file requester. Here, you can choose any IFF ILBM picture you
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want. If the file is not a valid IFF ILBM file, or if it cannot be displayed
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for whatever reason (too many colours, out of memory, etc.), a requester will
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pop up telling you what went wrong. Otherwise, a new screen will open up and
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the picture will be displayed. The screen is a standard Intuition screen;
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you can send it behind the Workbench screen with RightAmiga-M, or bring the
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Workbench screen to the front with RAmiga-N. If you do this, you'll notice
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that the IntuiViewer window contains information about the file. When you're
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done looking at the picture, press Escape (either the IntuiViewer window or
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the picture must be the active window - click on one, if necessary) to kill
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it. At this point, the file requester will reappear. You can select a new
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file if you want, or click on Cancel (or press RAmiga-C) to quit IntuiViewer.
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Clicking on the close gadget of the IntuiViewer window will also quit the
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program.
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@endnode
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