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Article #31193

Palettes and resolution

#31193
From: sheila hoover
Date: Wed, 25 May 1994 13:18
30 lines
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Does anyone know if there are any resources that explain the use of palettes
with authoring systems?  Also,

(1)  We're designing software for which the presentation window size is set to
high-res RBG 13" (using 256 colors) and it will eventually be ported over to
APW.  Should we re-set the presentation window size to VGA when it's time to
convert it to APW?  Changing the settings between the two doesn't seem to change
the window size on screen in APM.  I called tech support and they said something
about having to set the resolution initially, and not being able to change it.

(2)  I have heard that the best way to port graphics from APM to the APW is to
make all of the object-oriented graphics into bitmaps.  I have also heard that
bitmaps cause APM programs to run slower, does anyone know which approach is
better?

(3)  Does it make sense to set the palette to the VGA palette (in the Mac
version) in order to effectively port it over to APW (assuming not every PC has
256-color capability).  I think there was a message recently on this list that
said that was not necessary, could someone clarify this?

(4)  If AWM is set to the VGA palette, then one has to create a matching, custom
palette in the program used to create the graphics, right?  A clickable object
set to "inverse" upon being clicked needs to match the VGA palette or it won't
inverse correctly?

I have used Debabelizer to reduce the size of graphics using a 256-color
palette, but it doesn't seem very effective for manipulation of graphics using
the VGA 16-color palette (also I've found tech support not very helpful).

Thanks for any information.
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Date: Wed, 25 May 1994 08:18:57 -0500
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From: sheila hoover <hoove004@MAROON.TC.UMN.EDU>
Subject: Palettes and resolution
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