PDFlib Text Extraction Toolkit (TET) Manual
PDFlib Text Extraction Toolkit (TET) Manual
PDFlib Text Extraction Toolkit (TET) Manual
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Table 9.3 <strong>TET</strong>ML elements and attributes<br />
<strong>TET</strong>ML element<br />
Encryption<br />
Exception<br />
Font<br />
Fonts<br />
Glyph<br />
Image<br />
Images<br />
Line<br />
Metadata<br />
Options<br />
Page<br />
Pages<br />
Para<br />
PlacedImage<br />
Resources<br />
Row<br />
Table<br />
<strong>TET</strong><br />
<strong>Text</strong><br />
Word<br />
description and attributes<br />
Describes various security settings.<br />
Attributes: keylength, algorithm (<strong>TET</strong> 4.1: new values 8-11), attachment (<strong>TET</strong> 4.1), description<br />
(<strong>TET</strong> 4.1: new values for algorithms 8-11), masterpassword, userpassword, noprint, nomodify,<br />
nocopy, noannots, noassemble, noforms, noaccessible, nohiresprint, plainmetadata<br />
Error message and number associated with an exception which was thrown by <strong>TET</strong>. The<br />
Exception element may replace other elements if not enough information can be extracted from<br />
the input because of malformed PDF data structures.<br />
Attribute: errnum<br />
Describes a font resource. The required name attribute contains the canonical font name, while<br />
the optional fullname attribute contains the font name including subset prefix.<br />
Attributes: ascender (<strong>TET</strong> 4.1), capheight (<strong>TET</strong> 4.1), descender (<strong>TET</strong> 4.1), embedded, fullname (<strong>TET</strong><br />
4.0), id, italicangle (<strong>TET</strong> 4.1), type, name, vertical, weight (<strong>TET</strong> 4.1), xheight (<strong>TET</strong> 4.1)<br />
Container of Font elements<br />
Describes font and geometry details for a single glyph. The element content holds the Unicode<br />
character(s) produced by this glyph. A single glyph may produce more than one character, e.g. for<br />
ligatures. The Glyph elements for a word are grouped within one or more Box elements.<br />
Attributes: x, y 1 , width, alpha 1 , beta 1 , shadow (<strong>TET</strong> 4.0), dropcap (<strong>TET</strong> 4.0), font, size, sub (<strong>TET</strong><br />
4.0), sup (<strong>TET</strong> 4.0), textrendering, unknown, dehyphenation (<strong>TET</strong> 4.0)<br />
Describes an image resource, i.e. the actual pixel array comprising the image.<br />
Attributes: bitsPerComponent, colorspace, extractedAs (<strong>TET</strong> 4.0, additional value introduced<br />
with <strong>TET</strong> 4.2), height, id, mask, maskonly, mergetype, width<br />
Container of Image elements<br />
<strong>Text</strong> for a single line. <strong>TET</strong> 4.0: Line may also contain Word elements.<br />
XMP metadata which can be associated with the document, a font, or an image<br />
Document or page options used for generating the <strong>TET</strong>ML<br />
Contents of a single page.<br />
Attributes: number, height, width, topdown (<strong>TET</strong> 4.0)<br />
Container of Page elements<br />
<strong>Text</strong> comprising a single paragraph<br />
Describes an instance of an image placed on the page.<br />
Attributes: alpha 1 , beta 1 , height, image, width, x, y 1<br />
Colorspace, font, and image resources<br />
One or more table cells<br />
One or more table rows<br />
Root element<br />
Attribute: version (<strong>TET</strong> 4.2 creates 4.2; <strong>TET</strong> 4.1 creates 4.1; <strong>TET</strong> 4.0 creates 4.0, <strong>TET</strong> 3 creates 3)<br />
<strong>Text</strong> contents of a word or other element<br />
Single word<br />
1. All vertical coordinates and angles are expressed relative to the lower left or upper left corner subject to the topdown page option.<br />
132 Chapter 9: <strong>TET</strong> Markup Language (<strong>TET</strong>ML)
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