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Fixed layout electronic publications

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Fixed layout electronic publications


According to some embodiments, techniques are described herein to assist a publisher to create fixed layout pages of an electronic publication. The techniques are useful for creating cookbooks, travel books, photography books, children's books, other “illustrated books”, or any other electronic publication where a fixed layout for at least some of the pages of the electronic publication is desirable. With the techniques, the publisher may embed fonts, select particular fonts and font sizes, assign visual content to fixed layout pages, and precisely position visual content at fixed positions on fixed layout pages. A scaling mechanism for an electronic reader device is also disclosed for scaling fixed layout pages to fit the size of a display screen of the reader device while maintaining the aspect ratio and assignment of visual content to fixed layout pages specified by the publisher.
Related Terms: Aspect Ratio Children Fonts Scaling Visual C++ Books Cookbook Graph Layout

Inventors: Casey M. Dougherty, David Makower, Craig Milito, Alan C. Cannistraro
USPTO Applicaton #: #20130007602 - Class: 715251 (USPTO) - 01/03/13 - Class 715 


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The Patent Description & Claims data below is from USPTO Patent Application 20130007602, Fixed layout electronic publications.

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BACKGROUND

The present invention relates generally to electronic publishing, and more particularly, to publishing and rendering an electronic publication in a fixed layout.

Today, the world of electronic publications enjoys increasing consumer awareness spurred by the recent availability of consumer electronic reader devices, or e-reader devices, such as those commercially available from well-known companies such as Apple, Barnes and Noble, and Sony. Electronic publishing data format standards have been developed and are being developed to provide publishers with a standardized set of rules and instructions for publishing electronic publications for different e-reader device platforms. An example of such a standard is the Electronic Publication (EPUB) standard developed by the International Digital Publishing Forum (IDPF). A current release of the ePub standard, 2.0.1, is available online at www.idpf.org.

Current electronic publishing data format standards are designed for re-flowable content and do not inherently support fixed layouts. This means that e-reader devices following these standards move visual content (e.g., text and images) from one page to another as necessary to fit visual content to the size of the e-reader device display screen and according user preferences. For example, current standards allow users to change the font or font size of text to suit their preferences. As the font or font size changes, an e-reader device may re-flow text as necessary so that the width of a line of text is no longer than the width of the screen thereby preventing the user from having to scroll or pan horizontally to read lines of the book. This may also result in visual content on a page re-flowing to the previous or next page or visual content on the previous or next pages re-flowing to a currently displayed page. Further, to mimic the behavior of actual physical books, many e-reader devices present visual content on pages that are displayed entirely on the screen of the e-reader device so that the user is not required to scroll or pan vertically when reading. As a result, if the font or font size is changed by the user, visual content initially on one page may re-flow to another page.

The re-flowable behavior of current standards and current e-reader devices is generally acceptable to publishers when the electronic publication consists largely of text with few or no images or images that are to be presented inline within text. However, some publishers may wish to publish an electronic publication in which the layout of visual content is fixed on pages and does not re-flow inter-page. Cookbooks, travel books, photography books, children\'s books, and other image intensive books are examples of types of electronic publications where a fixed layout may be desirable.

One possible solution to creating a fixed layout electronic publication is to capture or create a digital image of each entire page. An e-reader device may then display each image to the reader. However, this solution is less than optimal because the text of the page captured in an image typically would not be available as text data to useful text-based capabilities of many e-reader devices such as searching, bookmarking, highlighting and passage sharing. Further, if the dimensions of an image are not proportional to the dimensions e-reader device display, the e-reader device may split the image over multiple pages resulting in an unappealing presentation of the publication.

Based on the foregoing, it is clearly desirable to help publishers create fixed layout electronic publications in which a fixed relationship between visual content and pages may be maintained in e-reader device displays and in which text content is available to the e-reader devices as text data. The present invention fulfills these and other needs.

BRIEF DESCRIPTION OF THE DRAWING(S)

FIG. 1 shows a block diagram of a sample e-reader device in which some embodiments of the invention may be implemented.

FIG. 2 shows a hierarchical file system view of an example electronic publication according to some embodiments of the invention.

FIG. 3 shows a flowchart of a sample rendering operation according to some embodiments of the invention.

FIG. 4 shows a flowchart of a sample scaling operation according to some embodiments of the invention.

DETAILED DESCRIPTION

Glossary

As used herein, the term “electronic reader device”, or just “e-reader device”, refers to a physical platform (hardware and software) on which electronic publications are rendered. Non-limiting examples of e-reader devices include desktop computers, laptop computers, tablet computers, mobile/smart phones, dedicated e-reader devices, or any other computing device capable of or configured for rending electronic publications.

As used herein, the term “publisher”, unless otherwise indicated, refers to any human creator of an electronic publication. For example, the publisher may be the copyright owner of the content of the publication or an agent creating the publication on behalf of the copyright owner.

As used herein, the term “reader”, unless otherwise indicated, means a human user of an e-reader device.

In the following description, the term “visual content” broadly refers to any type of content that may be displayed as part of an electronic publication on a display screen of an e-reader device, including but not limited to text and images.

General Overview

According to some embodiments, techniques are described herein to assist a publisher to create fixed layout pages of an electronic publication. The techniques are useful for creating cookbooks, travel books, photography books, children\'s books, other “illustrated books”, or any other electronic publication where a fixed layout for at least some of the pages of the electronic publication is desirable. With the techniques, the publisher may embed fonts, select particular fonts and font sizes, assign visual content to fixed layout pages, and precisely position visual content at fixed positions on fixed layout pages.

As used herein, the term “fixed layout electronic publication” means an electronic publication having at least one fixed layout page.

As used herein, the term “fixed layout page” means a single page or a two-page spread of an electronic publication in which visual content assigned to the page or the two-page spread does not re-flow between pages. A two-page spread is two consecutive facing pages of an electronic publication displayed side-by-side. Unless otherwise indicated or apparent from context, where “fixed layout page” is recited in the following description, either “single page fixed layout page” or “two-page spread fixed layout page” may be substituted instead. Thus, in the following description, unless otherwise indicated or apparent from context, description related to a fixed layout page applies to both a single page fixed layout page and a two-page spread fixed layout page.



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Previous Patent Application:
Positioning graphical objects within previously formatted text
Next Patent Application:
Fixed layout electronic publications
Industry Class:
Data processing: presentation processing of document
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stats Patent Info
Application #
US 20130007602 A1
Publish Date
01/03/2013
Document #
13172479
File Date
06/29/2011
USPTO Class
715251
Other USPTO Classes
International Class
06F17/00
Drawings
5


Aspect Ratio
Children
Fonts
Scaling
Visual C++
Books
Cookbook
Graph
Layout


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