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DarkBASIC Professional Discussion / Pcx images

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Mugenfan
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Joined: 3rd Oct 2004
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Posted: 4th Oct 2004 01:22
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I have a little prob,i want to open pcx images for a mugen project,the program converts the sff images to pcx automatical but the only problem is i can not open pcx images,i convert everything with sfftopcx 2.0.
I hope you could help me
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OSX Using Happy Dude
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Posted: 4th Oct 2004 01:57
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What are you trying to open the PCX files in ? If its DBPro, then it wont - no-one uses PCX files anymore, and so you would have to do your own reader.


Come to the UK Convention on the 23rd & 24th of October
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Mugenfan
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Posted: 4th Oct 2004 04:18
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I think i use dbc then.
Thats a little easier than creating a c++ dll file,because i am not really into c++.
Thank you anyway.
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Nicholas Thompson
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Posted: 4th Oct 2004 13:05
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You dont necessarily have to make a C++ DLL.

You could try reading in the PCX file as bytes or Words. There must be a webpage somewhere explaining the sytanx of a PCX file. It must be something simple like width,height,depth, etc. Or maybe a pallete list. I thought PCX were like bitmaps?

Anyways, as you're reading it in you dump it into a memblock which you then make into an image (make image from memblock img,memblocknum).

Thats my theory without doing ANY research into a PCX filetype.

My Website: http://www.thingy-ma-jig.co.uk
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The Wendigo
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Location: A hole near the base of a tree in the US
Posted: 4th Oct 2004 14:30
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I had written some PCX file loading methods in QBASIC a LOOOOONG time ago, and I was new to common file formatts then. It's not really a hard file to read. You might want to check out www.myfileformatts.com (i think that's the site) for info on it. The hardest part of PCX is RLE encryption. RLE is simple to understand though, if the byte value is greater than 250 (i think it was 250, been a while) then it is a run. The size of the run would then be 255 - 250, or 5. The next pixel would be the color of this run, say 16. so that means, you would put 5 pixels in a row of color 16 from the color palette.

Current Projects: Verious things right now. Lots of utils for game making. Hopefully something solid soon.

http://www.geocities.com/djpeterson83
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Richard Davey
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Posted: 4th Oct 2004 18:19 Edited at: 4th Oct 2004 22:27
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Here, I did this some years ago - the code is in CodeBase - includes a handy DBC function you can use to load and render PCX images with. It's fast, but using a native format would be faster:

http://www.thegamecreators.com/?m=codebase_view&i=6347989a2cbc1781b9e94c3253e0c249

Cheers,

Rich

"I am not young enough to know everything."
- Oscar Wilde
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Supremacy
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Posted: 4th Oct 2004 22:16
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i found a really good .pcx image viewer, also views other formats, for free, only has 800kbs , good to download and keep in hardrive:

http://www.programmersheaven.com/d/click.aspx?ID=F30178&URL=http%3A%2F%2Fwww.cadsofttools.com%2FDownload%2FABViewer.zip

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Richard Davey
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Posted: 4th Oct 2004 22:28
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Not much use in a game though? If you want a good free image viewer, use XNView.

"I am not young enough to know everything."
- Oscar Wilde
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Mugenfan
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Posted: 4th Oct 2004 22:55
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Thank you for all your reactions i will give it a try.
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Mugenfan
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Posted: 4th Oct 2004 23:08
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pcx show worked but it is a little slow and i need the pcx for character animation too,i think i use darkbasic classic again.
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