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2D All the way! / help with .bmp transparencies

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Gowmars
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Joined: 26th Sep 2003
Location: United States
Posted: 24th Dec 2005 03:50
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ok so i realized a while back that if i load a plain and texture it with a bitmap to use for say a HUD or menu, and if i ghost it every part of the bmp that is black will be completely see through. Well I need to load a bmp of an arrow. I don’t want it to be ghost. so i need to know how i can make everything around the arrow in the bmp completely see through. Making all the area around it black doesn’t work like it does with ghost, and when i make the picture of the arrow and the background transparent, that didn’t work either u just see the grayness from the plain.

any help would be appreciated

thanks

gowmars


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Gowmars
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Posted: 24th Dec 2005 04:37
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i got help, and figured it out, but thanks anyway!


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Van B
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Location: Sunnyvale
Posted: 24th Dec 2005 16:19
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Cool that you got it sorted, but I'd suggest avoiding black transparency, use the colorkey command to set it to something else, I suggest RGB(255,0,255) - like a bright purple that is used quite a lot in sprite sheets, not likely to be used in the actual image.

There's also .png's which can give alpha transperency, these look better because you can add drop shadows and anti-aliasing which always helps avoid the ugly jaggies that single colour transparency leaves.


Van-B

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Gowmars
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Posted: 25th Dec 2005 12:53
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Using a color other than black would be very favorable. may i ask how to go about doing that. right now im using S

SET OBJECT Object Number, Wire, Transparent, Cull

and that eleminates all black.

also i didnt know i could use .png, thats cool if i can


Gowmars


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Grog Grueslayer
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Playing: Green Hell
Posted: 25th Dec 2005 22:02
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In my opinion all people that use Pro should only use .png because of it's abilities.




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Gowmars
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Posted: 26th Dec 2005 01:09
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ah, well i dont have pro im afraid. I have every intention of getting it once my budget allows. until then how can i do it to eleminate a color other than black?

Thanks

Gowmars


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Grog Grueslayer
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Posted: 26th Dec 2005 03:12
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You can only change the transparent color in Pro (with "set image colorkey"). You can still use .png so you don't have to see a black background at all when editing pictures. The only thing that Classic can't do is keep all the alpha channels other than the main transparency.

I've attached an image that shows the differences in Classic and Pro using .png files and what it looks like loaded in Paint Shop Pro.


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Gowmars
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Posted: 26th Dec 2005 03:57
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ok i understand now.

Thanks alot for the help!!

Gowmars


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Grog Grueslayer
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Posted: 26th Dec 2005 05:33
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Np


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