Make a searchable pdf via Google Cloud Vision OCR
gcv2hocr.c : use MingW64.
gcvocr.py : use nuitka.
python -m nuitka gcvocr.py --standalone --recurse-none --remove-output --plugin-enable=qt-plugins --recurse-to=requests --recurse-to=urllib3 --recurse-to=chardet --recurse-to=certifi --recurse-to=idna --recurse-to=PIL
hocr-pdf.py : use nuitka.
python -m nuitka hocr-pdf.py --standalone --recurse-none --remove-output --plugin-enable=qt-plugins --recurse-to=reportlab --recurse-to=lxml --recurse-to=PIL
makepdfgui.py : use nuitka.
python -m nuitka makepdfgui.py --standalone --recurse-none --remove-output --plugin-enable=tk-inter
All output files put in the same folder together.
Double click makepdfgui.exe.
Set Google API Key via press "Config" button.
Set output pdf file via press "Set pdf file" button.
Select input image file directry via press "Set IMG dir" button.
Wait until "Done" is shown.
.jpg file, image size is less than 1.5MB, and image height and width are less than 1500pixels.
gcv2hocr.c：https://github.com/dinosauria123/gcv2hocr/blob/master/main.c
hocr-pdf.py:https://github.com/tmbdev/hocr-tools/blob/master/hocr-pdf
gcvocr.py: shown at https://www.g104robo.com/entry/google-cloud-vision-api slightly modified.
https://onedrive.live.com/download.aspx/pub/makepdfGUI.zip?cid=563E2C9BCE80B408
Licence for makepdfgui.py is CC.
Other files follow original source code licenses.
2020.1.6 ENDO Michiaki