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Support PPM image file format #31

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walbourn opened this issue Jul 6, 2016 · 4 comments
Closed

Support PPM image file format #31

walbourn opened this issue Jul 6, 2016 · 4 comments
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walbourn commented Jul 6, 2016 •
edited

The old D3DX for Direct3D 9 library implemented a codec for .ppm (Portable PixMap).

  • LoadFromPPMMemory
  • LoadFromPPMFile

This includes both the ASCII P3 form and the binary P6 format for reading, but only binary P6 for writing.
@walbourn walbourn mentioned this issue Jul 6, 2016
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Other than the fact that D3DX9 supported it, I don't have any indication that this support is required. If it falls out of the PFM support it would be easy to add, but I'm not sure it's worth adding by itself.

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Note that a simple writer is dead simple

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walbourn commented Jun 4, 2020

After thinking on this, I think I'll implement a super-basic reader/writer for this format in texconv just like I did for the "Extended BMP" (The Flight-Sim teams wierd DXTn enabled BMP variant), and not put it into the library. It's just not a compelling tools format, but I'd like to have a way to get all the content D3DX could.

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walbourn commented Jun 4, 2020

See this pull request

@walbourn walbourn closed this as completed Jun 4, 2020
@walbourn walbourn self-assigned this Jun 4, 2020
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