refactor single-page pdf generator

.github/workflows/html_generation.yml

@@ -19,7 +19,11 @@ jobs:
       - name: Install dependencies (apt-get)
         run: |-
           sudo apt-get update
-          sudo apt-get install -y libmagickwand-dev wkhtmltopdf
+          wget http://archive.ubuntu.com/ubuntu/pool/main/o/openssl/libssl1.1_1.1.1f-1ubuntu2_amd64.deb
+          sudo dpkg -i libssl1.1_1.1.1f-1ubuntu2_amd64.deb
+          sudo apt install -y build-essential xorg libssl-dev libxrender-dev wget
+          wget "https://github.com/wkhtmltopdf/packaging/releases/download/0.12.6-1/wkhtmltox_0.12.6-1.bionic_amd64.deb"
+          sudo apt install -y ./wkhtmltox_0.12.6-1.bionic_amd64.deb
 
       - name: Install dependencies (pip)
         run: |-

code-generators/SinglePageDocGenerator.py

@@ -242,7 +242,7 @@ def WriteToHtmlFile(content: str, name: str) -> Path:
 def PdfConversion(html_path: Union[Path, str], language: str, css: Union[str, List[str]] = None) -> None:
     try:
         pdf_name = f'{str(html_path)[:-5]}-{"CSharp" if language == "csharp" else "Python"}.pdf'
-        pdfkit.from_file(str(html_path), pdf_name, css=f'{css}/pdf-styles-{language}.css')
+        pdfkit.from_file(str(html_path), pdf_name, css=f'{css}/pdf-styles-{language}.css', options={"image-quality": 50})
         print(f"PdfConversion(): Successfully converting {html_path} to {pdf_name}")
     except Exception as e:
         # Do not break with raising exceptions in case due to warnings