Portable Document Format (PDF) is a file format used to present documents in a manner independent of application software, hardware, and operating systems.
PDF
Recently I have been working on a problem with SVG & the HTML5 Canvas that causes bad looking output in some of our files.... As part of our TrueType to OpenType font conversion (we need this for PDF to HTML5 conversion to ensure fonts display on all browsers),... Developers hoping to extract content from PDF documents whilst maintaining the structure of the text should follow this tutorial. Some (but not all) 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... When you create an image in a PDF file it is possible to specify that it is inverted or control the range of values.... Text is defined in the PDF file format as a display value (normally what you see onscreen) and an extraction value. It is useful... 
