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Python binding and Blender read YAPF 2

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yapf.load_texture / decode_texture expose every surface and the texture
description; rgba_float() for display (blocks decoded, 16-bit / float
kept). Blender imports 16-bit / HDR as float images packed as EXR,
decodes GPU blocks, follows the normal-map convention (DirectX flip, Z
rebuilt for XY normals). Errors say why. Tested in Blender 4.4.3.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01DVrVthWN8GsmgHGUhhsCYm
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Claude 2026-10-11 09:43:38 +00:00
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@ -12,6 +12,14 @@ Blender 5.1).
Blender cannot read `.yapf` on its own, so imported images are **packed into
the .blend** and survive saving and reopening.
Every YAPF file opens, version 1 and 2: 8-bit images; GPU blocks (BC1–BC7,
BC6H) decoded; 16-bit, half and float textures as **float images** (HDR
values above 1 are kept, packed as EXR); for cubes, arrays and animations
the first image. Normal maps follow Blender's OpenGL convention: DirectX
normals get their green flipped, and X/Y-only normals (such as BC5) get Z
rebuilt. Version 2 files need the bundled native library; the pure-Python
fallback reads version 1 only. Tested in Blender 4.4.3 (nixpkgs).
## Install
1. Get `yapf_image-blender.zip` from the