: Use pdfmetrics.registerFont to load your .ttf file before drawing strings.
ReportLab is powerful for complex layouts but requires manual font registration for Khmer.
fpdf2 is a modern library that supports HarfBuzz-based text shaping, essential for Khmer script. : Install the library: pip install fpdf2 .
: Older versions may struggle with advanced Khmer shaping without additional plugins like uharfbuzz . 2. Extracting Khmer Text from PDFs
Extracting text from Khmer PDFs is often difficult because many extractors fail to reconstruct the complex character clusters.
To correctly render Khmer script, you must use a library that supports (integrating characters into correct glyph sequences) and embed a compatible Khmer font. Using fpdf2 (Recommended)
from fpdf import FPDF pdf = FPDF() pdf.add_page() # Register and set the Khmer font pdf.add_font("KhmerOS", fname="KhmerOS.ttf") pdf.set_font("KhmerOS", size=14) # CRITICAL: Enable text shaping for correct rendering pdf.set_text_shaping(True) pdf.write(8, "សួស្តី ពិភពលោក (Hello World)") pdf.output("khmer_verified.pdf") ``` Use code with caution. Using ReportLab
: Use pdfmetrics.registerFont to load your .ttf file before drawing strings.
ReportLab is powerful for complex layouts but requires manual font registration for Khmer. python khmer pdf verified
fpdf2 is a modern library that supports HarfBuzz-based text shaping, essential for Khmer script. : Install the library: pip install fpdf2 . : Use pdfmetrics
: Older versions may struggle with advanced Khmer shaping without additional plugins like uharfbuzz . 2. Extracting Khmer Text from PDFs : Install the library: pip install fpdf2
Extracting text from Khmer PDFs is often difficult because many extractors fail to reconstruct the complex character clusters.
To correctly render Khmer script, you must use a library that supports (integrating characters into correct glyph sequences) and embed a compatible Khmer font. Using fpdf2 (Recommended)
from fpdf import FPDF pdf = FPDF() pdf.add_page() # Register and set the Khmer font pdf.add_font("KhmerOS", fname="KhmerOS.ttf") pdf.set_font("KhmerOS", size=14) # CRITICAL: Enable text shaping for correct rendering pdf.set_text_shaping(True) pdf.write(8, "សួស្តី ពិភពលោក (Hello World)") pdf.output("khmer_verified.pdf") ``` Use code with caution. Using ReportLab
