Questions: Translucency and Game exiting

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Alessio · #1 Post by **Alessio** » Mon Oct 04, 2004 4:28 am

...And also some questions:

How do you define which part of a picture (PNG or other) is translucent and which is transparent? One example being the text box, which has transparent corners (making it look rounded) and a translucent body (the background picture shows through).

For development purposes, is it possible to define a "quick exit" from the game, e.g. by hitting ESC, so that I can quit the game without having to go ESC -> "Quit" -> "YES" (a bit tiring when testing continuously)?

Cheers!
Alessio

#2 Post by **PyTom** » Mon Oct 04, 2004 2:26 pm

How do you define which part of a picture (PNG or other) is translucent and which is transparent? One example being the text box, which has transparent corners (making it look rounded) and a translucent body (the background picture shows through).

This is defined by the PNG, rather than by Ren'Py. If the PNG's alpha channel says that a pixel should be translucent or transparent, Ren'Py simply respects it.

For development purposes, is it possible to define a "quick exit" from the game, e.g. by hitting ESC, so that I can quit the game without having to go ESC -> "Quit" -> "YES" (a bit tiring when testing continuously)?

Right now, the easiest way to do this is to click the close box on the window twice, which will immediately exit the game (this is also useful if, for some reason, the gui quit fails.)

Alessio · #3 Post by **Alessio** » Tue Oct 05, 2004 1:48 am

Thanks, Tom! (And sorry for my ignorance about PNGs... :)

Wishful · #4 Post by **Wishful** » Tue Oct 19, 2004 3:08 pm

So, ah... how does one go about making PNGs have a transparent background? I know it's to do with the image and not Ren'Py, but I don't know how you would change the properties of the image. @_@ Help?

#5 Post by **PyTom** » Tue Oct 19, 2004 3:21 pm

The process varies depending on what tool you use. In general, you want to use a tool that supports alpha channels on images. You simply draw something that is not fully opaque, and then save it as PNG.

If you let us know what tools you use, perhaps we can help more.

Wishful · #6 Post by **Wishful** » Tue Oct 19, 2004 8:44 pm

Yeah... here's the problem: I really have no decent programs at all. I have Paint, and that's about it. -_- I'm going to have to track down some freeware or something...

#7 Post by **PyTom** » Tue Oct 19, 2004 8:49 pm

Yeah, paint is indecent. The programs I use are inkscape and the GIMP. You can get them from:

http://www.inkscape.org
http://www.gimp.org

Inkscape is a free SVG vector graphics editor, while the GIMP is a photoshop clone. Both are open source.

Wishful · #8 Post by **Wishful** » Wed Oct 20, 2004 2:58 pm

Ah! Thank you! ^^

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Questions: Translucency and Game exiting

Questions: Translucency and Game exiting

Transparency in PNGs (I know I am a fool...)

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