PDFlib Text Extraction Toolkit (TET) Manual

Table 10.11 Members of the TET_image_info structure (C and C++), equivalent public fields (Java and PHP), and properties
(COM and .NET) with their type and meaning. See »Image Extraction Basics«, page 81, for more details.
property/
field name
explanation
x, y (Double) Position of the image’s reference point. The reference point is the lower left corner of the image.
width,
height
alpha
beta
imageid
(Double) Width and height of the image on the page in points, measured along the image’s edges
(Double) Direction of the pixel rows. The angle will be in the range -180° < alpha ³ +180°. For upright images
alpha will be 0°.
(Double) Direction of the pixel columns, relative to the perpendicular of alpha. The angle will be in the
range -180° < beta ³ +180°, but different from ±90°. For upright images beta will be in the range -90° <
beta 90° the image will be mirrored at the baseline.
(Integer) Index of the image in the pCOS pseudo object images[ ]. Detailed image properties can be retrieved
via the entries in this pseudo object (see Table 9.5).
146 Chapter 10: TET Library API Reference