Bitmap Export

[Zeus81]

Bitmap Export
by Zeus81​

This script for rpg maker xp/vx/vxace allows you to export bitmaps as bmp32 or png32 image files.
This is a script for scripters so if you're not too bad but if you are feel free to use it.
It's probably the fastest script out there... well, maybe not as fast as those done in C but at least it have the advantage of not needing an extra dll.
I've also added functions so we can serialize bitmaps.

Script
https://www.dropbox.com/s/3lqtjvosnrnnet3/Bitmap%20Export.rb

How to Use
- exporting in bmp format :
bitmap.export('prout.bmp')
or
bitmap.save('prout.bmp')
Exporting in bmp is extremly fast, but not compressed.
Since it's bmp32 it also keeps alpha channel, however not many softwares can deal with it, I just know that RPG Makers and Gimp 2.6 can.

- exporting in png format :
bitmap.export('prout.png')
or
bitmap.save('prout.png')
png is compatible with almost anything and quite well compressed, but it takes a little more time, not that much either unless you're exporting a huge bitmap.

If you don't specify any extension when exporting .png will be added automatically.

- serialize bitmap :
open('prout.rxdata', 'wb') {|file| Marshal.dump(bitmap, file)}
bitmap = open('prout.rxdata', 'rb') {|file| Marshal.load(file)}
or
save_data(bitmap, 'prout.rxdata')
bitmap = load_data('prout.rxdata')
It's quite fast and as compressed as png but only compatible with this script, you can use it if you want to store picture directly into savestates.

- snapshot
Graphics.export('prout.png')
or
Graphics.save('prout.png')
or
Graphics.snapshot('prout.png')
This is a quick way to do a screenshot.
filename is optional, and will be replaced by datetime if omitted.

 

[estriole]

whoa now i only need a way to merge two or more image to one bitmap and then i could use it as character creation .

 

[Tsukihime]

whoa now i only need a way to merge two or more image to one bitmap and then i could use it as character creation .

Couldn't you just blt two bitmaps into a single bitmap?

 

[estriole]

Couldn't you just blt two bitmaps into a single bitmap?

ah yes... blt. i forget about it. thx hime .

 

[Zeus81]

Quick update with version 5.1 :


- added #save alias name for #export


- added Graphics.snap_to_bitmap on rmxp


- added for quick snapshots :


Graphics.export(filename)


Still with alias name #save and #snapshot too.


filename is optionnal, and will be replaced by datetime if empty.

 

[Palsa]

Very cool script. ^_^

Question: can it be used to merge and export a group of Show Pictures with transparency?

 

[Tsukihime]

Just blt a bunch of pictures together and export the resulting bitmap.

 

[Zoltor]

Just blt a bunch of pictures together and export the resulting bitmap.

That's awesome

This could be a very useful script, to use as an alternative to spending hours in a art program, trying to edit/splice together images perfectly. 

Cool script OP.

 

[Palsa]

Just blt a bunch of pictures together and export the resulting bitmap.

K, at the moment I'm making some character busts and when I saw the script I thought it might be pretty cool to use it for an in game generator.