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DosView 1.0 (Announce)

posted by Zyzzle, 05.11.2023, 02:01

> try "Z" and "F" to switch between scaled and full size view
>
> > * An info line with some basic information about images might be
> useful.
> > Or, alternatively, the info about the image might be shown under text
> mode
> > after exit.
> I'll check what I can do...
 I've been using it a lot and have a couple of more (I think, easy to implement suggestions):
1. When invoked with /h or /? print the keybindings as well as the other help you're already printing (ie, pgup, pgdown zoom, Z and F full size and actual, etc)
2. When using the -s option, don't do any autochecking for resolution at all (eg, when I just want to convert from .PNG to .WEB I shouldn't need to specify -b or any valid resolution, the program should just convert to the image format requested without checking for any valid video modes or VESA modes, etc)

2a. The specified keys to "move up or down within the image" don't work on my system. I tried the UP,DOWN,LEFT,RIGHT arrow keys *and* the numlock tenkey equivalents, and I can't scroll the image while in "actual size" mode. Is this what is intended by the "scroll right and left within image" keys you listed?

3. On my systems, the "list known available modes" lists modes which don't exist in my video BIOS, and when tried to change to these modes, I get "mode not supported error". For example, the valid VESA modes on my system are 640x480, 800x600, 1024x768 and 1920x1080, but the detected modes are only 320x240 (doesn't exist in my vBIOS), 640x480,800x600, and 1280x960 (not a valid mode in my vBIOS VESA table!)
4. As you said, I don't think Allegro supports changing to a mode which it thinks is unavailable (eg, 1920x1080x32, which *is* available on my laptop Intel vBIOSes in pure DOS), but is there any way to "fool" Allegro into thinking a user-specified VESA resolution mode may be used? Sort of a "custom" VESA mode, with the assumption that the user knows what he is doing.

Otherwise, your program is very powerful and fast! Its webp images are perfect!

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