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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.
One color entry in a single GIF or PNG image's palette can be defined as "transparent" rather than an actual color. This means that when the decoder encounters a pixel with this value, it is rendered in the background color of the part of the screen where the image is placed, also if this varies pixel-by-pixel as in the case of a background image.
A PDF page description can use a matrix to scale, rotate, or skew graphical elements. A key concept in PDF is that of the graphics state, which is a collection of graphical parameters that may be changed, saved, and restored by a page description. PDF has (as of version 2.0) 25 graphics state properties, of which some of the most important are:
It usually appears in modern books on the verso of the title page, but in some books is placed at the end (see Back matter). Dedication: Author: A dedication page is a page in a book that precedes the text, in which the author names the person or people for whom they have written the book. Epigraph: Author: A phrase, quotation, or poem.
Recto page from a rare Blackletter Bible (1497). The canons of page construction are historical reconstructions, based on careful measurement of extant books and what is known of the mathematics and engineering methods of the time, of manuscript-framework methods that may have been used in Medieval- or Renaissance-era book design to divide a page into pleasing proportions.
PNG was developed as an improved, non-patented replacement for Graphics Interchange Format (GIF)—unofficially, the initials PNG stood for the recursive acronym "PNG's not GIF". [ 7 ] PNG supports palette-based images (with palettes of 24-bit RGB or 32-bit RGBA colors), grayscale images (with or without an alpha channel for transparency), and ...
A tipped-in page or, if it is an illustration, tipped-in plate, is a page that is printed separately from the main text of the book, but attached to the book. [1] A tipped-in page may be glued onto a regular page, or even bound along with the other pages. It is often printed on a different kind of paper, using a different printing process, and ...
Canons of page construction; Carpet page; Chapter (books) Codex Vaticanus Ottobonianus Latinus 1829; Colophon (publishing) The Colophon, A Book Collectors' Quarterly; Concealing objects in a book; Conclusion (book) Book cover