Tool to create 1 pixel border around tileset images

[stanchat]

Does anyone know of a tool or plugin that will insert a 1 pixel border around tiles in a tileset pnf file. I have a 350x450 png file with each tile being 50x50 in size. I need to have a black 1 pixel border around each tile for the game engine I am using. Short of does this manually is their a tool or photoshop plugin that will do this.



Thanks

[Olofson]

What sort of engine is this for? Can you do it while loading, rather than on the files?

I generally prefer doing that sort of stuff in the loading process, as it often depends on video settings, quality settings, engine implementation details and things like that. Borders and the like generally belong in "engine quirks" domain anyway, so it's nicer if all of it can be kept in the same place - in the engine.

[stanchat]

This is for the Android platform and I am using the AndEngine. It has a Api extension for reading in tmx files created with mapeditor (http://www.mapeditor.org/). The issue is that if you have just a regular tilemap it appears to create these 1 pixel artifacts while scrolling. The work around for the moment is to create/modify your tileset to include this border.

[jpoag]

Does anyone know of a tool or plugin that will insert a 1 pixel border around tiles in a tileset pnf file. I have a 350x450 png file with each tile being 50x50 in size. I need to have a black 1 pixel border around each tile for the game engine I am using. Short of does this manually is their a tool or photoshop plugin that will do this.



Thanks

Look into Image Magick. I use the command line tools to do this type of processing all the time.

It might take a little googling to get what you want, but it will do this.

First, you'll need to tell Image magick (mogrify) to split up the image into tiles

http://imagemagick.org/Usage/crop/#crop_tile

Then recombine them with a +1+1 border

[esrix]

Photoshop actually has what's called a Batch Process. You record a series of events on one image, save the process and then you can reuse that exact series of events on specified files very easily in a few steps.

This article is from 2002, but it pretty much explains what you have to do to get it to work: http://www.creativemac.com/2002/04_a...ls/psbatch.htm