Portable Document Format (PDF) is a file format used to present documents in a manner independent of application software, hardware, and operating systems.

PDF

How do Browsers auto reverse the Right to left…

You might have encountered a situation where you tried to read from pdf or other text input streams and writing the raw data into...
suda
1 min read

Handling Floating Point coordinates with Pixels in SVG &…

Recently I have been working on a problem with SVG & the HTML5 Canvas that causes bad looking output in some of our files....
Lyndon Armitage
1 min read

Table order in OTF fonts

As part of our TrueType to OpenType font conversion (we need this for PDF to HTML5 conversion to ensure fonts display on all browsers),...
Mark Stephens
49 sec read

How to extract Structured text from PDF files in…

Developers hoping to extract content from PDF documents whilst maintaining the structure of the text should follow this tutorial. Some (but not all) PDF...
Mark Stephens
1 min read

How are Embedded CMAP tables defined in a PDF…

Every glyf inside a PDF file can have a display value and a different extraction value. This is useful because often you need to...
Mark Stephens
2 min read

How does a decodeArray work?

When you create an image in a PDF file it is possible to specify that it is inverted or control the range of values....
Mark Stephens
31 sec read