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a6c032d824- KDE thumbnailer: texture loader, decodes only the mip it needs; GPU blocks, 16-bit and float via the new yapf_tex_to_rgba8. Tested through KDE's plugin loader with KF6 from nixpkgs. - Photoshop: shows the tool's error message; HDR textures open as 32-bit (.hdr), 16-bit stays 16-bit; 16-bit documents save as 16-bit. - CLI: 16-bit PNG export, readable conversion errors. - default.nix: yapf tool, library, header, MIME type and thumbnailer (absolute store path); runs the test suite. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01DVrVthWN8GsmgHGUhhsCYm
43 lines
1.8 KiB
Markdown
43 lines
1.8 KiB
Markdown
# YAPF for Photoshop
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Two scripts that appear under **File → Scripts**:
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- **Open YAPF** — opens one or more `.yapf` files as documents.
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- **Save as YAPF** — saves the visible image of the active document (a
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flattened 8-bit copy; your document is not changed), keeping
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transparency, with an optional mip chain.
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They convert through the `yapf` command-line tool, so Photoshop needs no
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native plugin.
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## Install
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1. Download `yapf-<your platform>.zip` from the
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[Releases](https://github.com/Nexoniarz/YAPF/releases) (or build the tool:
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`make` → `build/yapf`).
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2. Copy `Open YAPF.jsx`, `Save as YAPF.jsx`, `yapf_common.jsxinc` **and**
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`yapf` / `yapf.exe` into Photoshop's scripts folder:
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- Windows: `C:\Program Files\Adobe\Adobe Photoshop <version>\Presets\Scripts`
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- macOS: `/Applications/Adobe Photoshop <version>/Presets/Scripts`
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3. Restart Photoshop. The scripts are under **File → Scripts**; you can give
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them keyboard shortcuts in **Edit → Keyboard Shortcuts** or record them
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in Actions.
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Instead of copying `yapf` next to the scripts you can put it on your `PATH`.
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## What opens how
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Every YAPF file the `yapf` tool reads (version 1 and 2): 8-bit images open
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as 8-bit documents, 16-bit textures as 16-bit documents, half / float and
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BC6H HDR textures as 32-bit documents (through Radiance `.hdr`), other GPU
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blocks (BC1–BC7) decoded to 8-bit. Cubes, arrays and animations open their
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first image. When a file cannot be opened, the alert shows the tool's
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reason (for example a damaged file). Saving keeps 8 or 16 bits per
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channel.
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## Status
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The scripts are written for Photoshop CC's ExtendScript and are not yet
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tested inside Photoshop (the converter itself is fully tested). A native
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format plugin (`.8bi` / `.plugin`, so `.yapf` shows up directly in the Open
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and Save dialogs) needs Adobe's Photoshop SDK and is planned.
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