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Code Issues 1.5k Packages Projects Releases 21 Wiki Activity

fix(windows): Bundle tessdata for OCR support out of the box

Browse Source 
The Windows release was missing Tesseract OCR runtime dependencies
(tessdata files) needed for the HardSubx feature to work. Users had
to manually install Tesseract OCR and set TESSDATA_PREFIX.

Changes:
- Add get_executable_directory() to ocr.c that returns the directory
  containing the executable (works on Windows, Linux, and macOS)
- Update probe_tessdata_location() to search for tessdata in the
  executable directory, enabling bundled tessdata to be found
- Update release workflow to download eng.traineddata and osd.traineddata
  from tesseract-ocr/tessdata_fast during release builds
- Update WiX installer to include tessdata directory with the
  traineddata files

Now the Windows release includes tessdata files, and CCExtractor will
automatically find them in the installation directory without requiring
users to install Tesseract separately or set environment variables.

Fixes #1578

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
Carlos Fernandez
2025-12-26 13:05:46 +01:00
parent f6e9d55838
commit 20448bfeb2
3 changed files with 91 additions and 2 deletions
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8
.github/workflows/release.yml vendored
View File

@@ -81,6 +81,14 @@ jobs:
- name: Copy files to directory for installer
run: mkdir installer; cp ./x64/Release-Full/ccextractorwinfull.exe ./installer; cp ./x64/Release-Full/*.dll ./installer
working-directory: ./windows
- name: Download tessdata for OCR support
run: |
mkdir -p ./installer/tessdata
# Download English traineddata from tessdata_fast (smaller, faster, good for most use cases)
Invoke-WebRequest -Uri "https://github.com/tesseract-ocr/tessdata_fast/raw/main/eng.traineddata" -OutFile "./installer/tessdata/eng.traineddata"
# Download OSD (Orientation and Script Detection) for automatic script detection
Invoke-WebRequest -Uri "https://github.com/tesseract-ocr/tessdata_fast/raw/main/osd.traineddata" -OutFile "./installer/tessdata/osd.traineddata"
working-directory: ./windows
- name: install WiX
run: dotnet tool uninstall --global wix; dotnet tool install --global wix --version 6.0.2 && wix extension add -g WixToolset.UI.wixext/6.0.2
- name: Make sure WiX works