Raster2PNG

[MattReimer]

We incorporated the bulk of Konrad's PNG code as a separate library called Raster2PNG but we didn't get time to complete it so it's sitting in a branch off of dev for now. We'd like to get it into master so we can start consuming it from our tools.

FYI: We put it in its own library because it had more files than any other Rasterman function and because we might later want to pull it out and use it in other places or even give it its own executable.

Tasks that need doing:

1. Design an interface that is both simple and flexible (See resources below for what we've done so far). Do we need a separate interface for every implentation of the renderer class? Maybe. Not sure what the best way forward here is.
2. Get both a command-line interface and a “C” interface for Raster2PNG up and running.
3. Test Raster2PNG thoroughly to make sure we haven’t mangled Konrad's code when we crammed it into RasterMan

Please use the konrad branch for this work for now since we may need dev and master for hotfixes.

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Resources:

• Raster2PNG library code
• First attempt at a commandline interface
• Code so far for the C api that our C# apps connect to