How to Set a Custom Font in Dompdf for PDF Generation?

Dompdf: Setting a Custom Font for PDF Generation

Question:

When generating PDFs with Dompdf, the font-family attribute defined in CSS is ignored, resulting in a default font (e.g., Times New Roman) being used. How can a specific font be set within a PDF document?

Answer:

To set a custom font in Dompdf PDFs, you have several options:

1. CSS @font-face Rules:

By including @font-face rules in your CSS, you can load fonts online at runtime. For example:

@font-face {
  font-family: 'Open Sans';
  font-style: normal;
  font-weight: normal;
  src: url(http://themes.googleusercontent.com/static/fonts/opensans/v8/cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf) format('truetype');
}

2. Command-Line Loading:

If command-line access is available, you can use the dompdf/load_font.php script to load fonts. The syntax is:

[php] load_font.php "Font Name" /path/to/font.ttf

3. Admin Site (Depreciated):

Dompdf versions prior to 0.7.0 included an admin site (dompdf/www/fonts.php) where fonts could be loaded manually.

Font Support and Loading:

Dompdf supports PDF-compatible fonts such as Type 1 (.pfb) and TrueType (.ttf) fonts. Font loading is required to generate font metrics for typesetting. The bundled php-font-lib provides support for loading and subsetting fonts.

Note:

The command-line loading script and admin site will no longer be included by default in Dompdf versions starting from 0.7.0.

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