KR101202849B1 - Pdf document converting method to optimize readability for smart device - Google Patents

Abstract

PURPOSE: A PDF file converting method with readability optimized in a smart device is provided to convert into a PDF file by controlling a location and a size of each postscript file according to a screen size of the smart device, thereby increasing readability. CONSTITUTION: A screen size of a smart device is established(S100). Designation of a converting request part is inputted from an operator in a PDF file(S200). The designated converting request part is cut from the PDF file and is extracted as a postscript file format(S300). A location and a size of a postscript file are controlled according to the established screen size of the smart device(S400). The postscript file is converted into one PDF file(S500). A list for the postscript file is generated(S600). An interactive function is inserted into the PDF file(S700). A viewer outputting the converted PDF file and an application program including the converted PDF file are manufactured(S800). [Reference numerals] (S100) Step for setting a screen size of a smart device; (S200) Step for receiving a designation of a conversion request part in a PDF file from an operator; (S300) Step for cutting a designated conversion request part from the PDF file and extracting the same as a postscript file format; (S400) Step for controlling a location and a size of the extracted postscript file corresponding to a screen size of the smart device; (S500) Step for converting the postscript file into one PDF file; (S600) Step for generating a list for the postscript file; (S700) Step for inserting an interactive function into the converted PDF file; (S800) Step for manufacturing an application program including a viewer and the converted PDF file

Description

How to convert PDF documents for readability optimized for smart devices {PDF DOCUMENT CONVERTING METHOD TO OPTIMIZE READABILITY FOR SMART DEVICE}

The present invention relates to a method for converting a PDF document, and more particularly, to a method for converting a PDF document to have readability optimized for a smart device.

Smart devices are products that are not limited in functionality and that can be changed or extended to a large extent through application programs. Recently, with the development of mobile communication technology and the opening of wireless communication networks, the wireless Internet is free, and smart devices such as smart phones and tablet PCs are rapidly spreading.

Owners of smart devices use the Internet or application programs to access a variety of text and image combinations, such as e-books, newspapers, catalogs, and newsletters. Since these documents are mostly designed to be suitable for a computer, it is inconvenient to check such documents on a smart device that is made relatively small in order to increase mobility. In particular, such documents are often in the form of Portable Document Format (PDF) files, which may not be able to be checked unless the web viewer can be checked while the Internet is connected. It is very inconvenient because I have to read it. Therefore, there is a need for a PDF conversion technology to solve such inconvenience.

However, only a technique for converting other original files into PDF files has been developed on a computer (see Japanese Patent Publication No. 10-2011-0027210). It has not been developed.

The present invention has been proposed to solve the above problems of the conventionally proposed methods, by setting the screen size of the smart device and extracting the designated conversion request portion from the PDF document to the PS file format to the screen size of the smart device By adjusting the position and size of each PS file and converting it into a PDF file, it is optimized for smart devices so that PDF documents optimized for general computers, etc., can be conveniently viewed on a smart device without the trouble of expanding or moving the screen. Its purpose is to provide a way to convert PDF documents to ensure readability.

In addition, according to the present invention, by inserting an interactive (interactive) function into a converted PDF file, a search function and various additional information can be provided to a user of a smart device, and the application program includes a converted PDF file and a dedicated viewer. Providing a method of converting PDF documents optimized for smart devices that can be read conveniently with a dedicated viewer even when there is no internet connection by creating a smart phone optimized PDF file. Another purpose.

The conversion method of the PDF document to have the readability optimized for smart devices according to the features of the present invention for achieving the above object,

(1) setting the screen size of the smart device;

(2) receiving input of at least one conversion request portion of the PDF document from an operator;

(3) cutting out the designated conversion request portion from the PDF document and extracting the file into a PS file format;

(4) adjusting the position and size of the extracted at least one PS file according to the preset screen size of the smart device;

(5) converting the at least one PS file into a PDF file; And

And (6) embedding an interactive function in the converted PDF file.

Preferably, in the step (5)

The at least one PS file may be converted into a single PDF file composed of a plurality of pages.

Preferably, in step (6), a search function can be inserted.

Preferably, in step (6),

Additional information including a link, text, sound, image, video, or multimedia may be inserted in conjunction with an interactive function.

Preferably, before step (6),

The method may further include generating a table of contents for the PS file.

More preferably, in step (6),

The table of contents of the generated PS file may be further inserted into the converted PDF file.

Preferably,

(7) The smart device may further comprise the step of producing a viewer for outputting the converted PDF file and an application program including the converted PDF file.

Preferably,

A computer-readable recording medium can be provided, wherein a program for executing the method according to any one of the above is recorded.

According to the conversion method of the PDF document to have the readability optimized for the smart device proposed in the present invention, by setting the screen size of the smart device, cut the specified conversion request portion in the PDF document to extract the PS file format screen of the smart device By adjusting the position and size of each PS file according to its size, and converting it into a PDF file, a PDF document optimized for general computers can be conveniently viewed on a smart device without the hassle of expanding or moving the screen.

In addition, according to the present invention, by inserting an interactive (interactive) function into the converted PDF file, it is possible to provide a search function and various additional information to the user of the smart device, an application that includes the converted PDF file and a dedicated viewer By creating a program, you can conveniently view PDF files optimized for smartphones with a dedicated viewer even without an Internet connection.

1 illustrates a smart device displaying an existing PDF document.
2 is a diagram illustrating conversion of a PDF document according to a conversion method of a PDF document to have readability optimized for a smart device according to an embodiment of the present invention.
3 is a diagram illustrating a configuration of a worker terminal for implementing a method for converting a PDF document to have readability optimized for a smart device according to an embodiment of the present invention.
4 is a flowchart illustrating a method of converting a PDF document to have readability optimized for a smart device according to an embodiment of the present invention.
5 is a view illustrating an example of a process of converting a PDF document in a method of converting a PDF document to have readability optimized for a smart device according to an embodiment of the present invention.
6 is a view illustrating an example of a process of converting a PDF document in a method of converting a PDF document to have readability optimized for a smart device according to another embodiment of the present invention.
FIG. 7 is a diagram illustrating an example of a smart device on which a PDF file converted by a PDF document conversion method for optimizing readability is optimized for a smart device according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, in order that those skilled in the art can easily carry out the present invention. In the following detailed description of the preferred embodiments of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. In the drawings, like reference numerals are used throughout the drawings.

In addition, in the entire specification, when a part is referred to as being 'connected' to another part, it may be referred to as 'indirectly connected' not only with 'directly connected' . In addition, the term 'comprising' of an element means that the element may further include other elements, not to exclude other elements unless specifically stated otherwise.

1 is a diagram illustrating a smart device displaying an existing PDF document. As shown in FIG. 1, when a PDF document is output from a smart device, the output is optimized as it is on a computer screen, so that a picture or an image is displayed large and the text is small and cannot be viewed without enlargement. Is displayed. Therefore, in order to read text, the PDF document has to be enlarged, moved left and right, and moved up and down, resulting in a great inconvenience for users.

FIG. 2 illustrates an example of conversion of a PDF document according to a conversion method of a PDF document to have readability optimized for a smart device according to an embodiment of the present invention, which can solve the problems of the prior art as described above. One drawing. According to the method for converting a PDF document to have readability optimized for a smart device according to an embodiment of the present invention, a PDF document optimized to a computer screen or a printed matter as shown in the left side of FIG. As shown on the right, the smart device can be converted into a PDF file that can be easily checked and provided to the user. As shown on the right side of Fig. 2, the PDF file converted by the present invention does not need to enlarge the screen because contents are entered at a glance, and if necessary, the user can conveniently display information to the user by only touching the screen or scrolling up and down. Can provide.

3 is a diagram illustrating a configuration of a worker terminal 100 for implementing a method of converting a PDF document to have readability optimized for a smart device according to an embodiment of the present invention. As shown in FIG. 3, a worker terminal 100 for implementing a method of converting a PDF document to have readability optimized for a smart device according to an embodiment of the present invention includes a screen setting unit 110 and an input unit ( 120, the PS file extractor 130, the adjusting unit 140, the conversion unit 150 and the insertion unit 170 may be configured, the table of contents generation unit 160, the program production unit 180 and the database ( 190 may be further included.

That is, the present invention may be implemented in a worker terminal 100 in which a program for executing a method of converting a PDF document to have readability optimized for a smart device according to an embodiment of the present invention is installed and executed. The worker terminal 100 may generally be a computer or the like, but is not limited thereto, and installs a program for executing a PDF document conversion method to have readability optimized for a smart device according to an embodiment of the present invention. As long as the document can be converted, the role of the worker terminal 100 of the present invention can be any number of the specific terminal.

On the other hand, as shown in Figure 3, for each component constituting the worker terminal 100 for implementing the conversion method of the PDF document to have the readability optimized for the smart device according to an embodiment of the present invention Reference to 4 will be described in detail.

4 is a flowchart illustrating a method of converting a PDF document to have readability optimized for a smart device according to an embodiment of the present invention. As shown in Figure 4, the conversion method of the PDF document to have the readability optimized for the smart device according to an embodiment of the present invention, setting the screen size of the smart device (S100), in the PDF document from the operator Receiving a designation of the conversion request portion (S200), cutting the specified conversion request portion from the PDF document, and extracting the PS file format (S300), adjust the position and size of the extracted PS file according to the screen size of the smart device Step (S400), converting the PS file into a single PDF file (S500), inserting an interactive function into the converted PDF file (S700), and producing an application program including the viewer and the converted PDF file. It may be implemented including the step (S800), it may be implemented further comprising the step (S600) for generating a table of contents for the PS file.

In step S100, the screen size of the smart device may be set. Step S100 may be processed by the screen setting unit 110 of the worker terminal 100. Screens of smart devices differ from one another depending on the type of specific device, but may be classified into several general screen sizes such as smartphones and tablet PCs. Therefore, in step S100, the screen size of the smart device may be divided into several general screen sizes, stored in the database 190, and the screen size of the smart device requiring conversion may be set. On the other hand, according to the embodiment, the smart device or the screen size of the smart device that the operator is going to work may be received from the operator and set.

In operation S200, an operator may receive input of at least one conversion request part from the PDF document. Step S200 may be processed by the input unit 120 of the worker terminal 100. The PDF document to be converted may be stored in the database 190 or transmitted or received from the outside. The operator can designate the conversion request portion in the PDF document to be converted, so that the conversion can be performed.

FIG. 5 is a diagram illustrating a process of converting a PDF document 10 in the method of converting the PDF document 10 to have readability optimized for a smart device according to an embodiment of the present invention. As shown in FIG. 5, in step S200 of the method of converting the PDF document 10 to have readability optimized for a smart device according to an embodiment of the present invention, in the PDF document 10 to be converted, an administrator The input of the conversion request portion (A, B, C, D on the left side) can be received from.

In step S300, the designated conversion request portion may be cut out of the PDF document 10 and extracted in a PS (Post Script) file format. Step S300 may be processed by the PS file extractor 130 of the worker terminal 100. That is, in the example as shown in FIG. 5, the PS file extracting unit 130 may extract the conversion request portion (A, B, C, D on the left side) from the PDF document 10 and extract the PS file format. have.

In step S400, the extracted at least one PS file may be adjusted to a location and size according to a preset screen size of the smart device. Step S400 may be processed by the adjustment unit 140 of the worker terminal 100. In the example as shown in FIG. 5, the adjusting unit 140 may increase the size of A, B, C, etc., reduce the size of D, and adjust the size to fit the screen size of the smart device set in step S100. In addition, the overall width may be adjusted to fit the screen size of the smart device.

At this time, in step S400, the PS file that needs to be enlarged and the PS file that needs to be reduced by the administrator are adjusted to fit the screen size of the smart device, so that the readability is read when the smart device is output. Can be maximized. In addition, in step S400, the configuration and layout of the entire screen may be input from the administrator through the input unit 120, but the process of adjusting the size and finely adjusting the position to fit the screen size of the smart device adjustment unit 140 Can be processed in

In operation S500, at least one PS file may be converted into one PDF file 20. Step S500 may be processed by the converter 150 of the worker terminal 100. In the example as shown in Fig. 5, after the adjustment of the position and size is completed in step S400, A, B, C, D are converted into one PDF file 20, and the converted as shown on the right side is converted. The PDF file 20 can be generated. In this way, the PDF file 20 converted in step S500 is configured such that the width and the like are suitable for the screen size of the smart device, and may be converted to increase readability through the adjustment process of step S400. On the other hand, according to the embodiment, in step S500, at least one or more PS files can be converted into a PDF file 20 composed of a plurality of pages.

FIG. 6 is a diagram illustrating a process of converting a PDF document 10 in the method of converting the PDF document 10 to have readability optimized for a smart device according to another embodiment of the present invention. As illustrated in FIG. 6, in the method of converting the PDF document 10 to have readability optimized for a smart device according to another embodiment of the present invention, at least one PS file may have multiple pages, as shown on the right side. Can be converted into a PDF file 20 composed of. That is, the page may be converted into a plurality of pages so that the PDF file 20 can be checked while turning the page of the screen size (dotted line shown on the right side of FIG. 6) of the smart device. At this time, if the size of one PS file is larger than the screen size of the smart device set in step S100, the PS file may be output by scrolling, as shown in the right side of Figure 6, a plurality of PS files It can also be cut and converted to the PDF file 20 (C to C1, C2, C3).

In step S600, a table of contents for the PS file may be generated. Step S600 may be processed by the table of contents generator 160 of the worker terminal 100. In both the form as shown in FIG. 5 or the form as shown in FIG. 6, the table of contents can be generated so that the user goes directly to the desired part. That is, a table of contents for the PS files A, B, C, and D cut out from the PDF document 10 shown on the left side of FIGS. 5 and 6 can be generated. The table of contents may be generated by allocating a title or the like to the PS file extracted in step S300 or the PS file whose position and size are adjusted in step S400. Step S600 may be performed at any time after step S300 and before performing step S700.

In operation S700, an interactive function may be inserted into the converted PDF file 20. Step S700 may be processed by the insertion unit 170 of the worker terminal 100. In step S700, a function for interacting with the user of the smart device is inserted into the PDF file 20 converted in step S500. Specifically, a search function can be inserted, and the converted PDF file 20 You can insert more table of contents generated in step S600.

In addition, additional information including a link, text, sound, image, video, or multimedia may be inserted in conjunction with an interactive function. Such additional information may be input by an operator and may be stored in the database 190. The insertion unit 170 receives the operator's command received through the input unit 120 and inserts additional information at a location designated by the worker, or inserts additional information to be connected when selecting a specific part of the converted PDF file 20. can do.

In operation S800, an application program including a viewer capable of outputting the converted PDF file 20 on the smart device and the converted PDF file 20 may be produced. Step S800 may be processed by the program production unit 180 of the worker terminal 100. In order to browse the PDF file 20 with a smart device, it is common to use a web viewer using the Internet. However, in the conversion method of the PDF document 10 to have readability optimized for a smart device according to an embodiment of the present invention, a dedicated viewer and a PDF file 20 converted in step S500 or an interactive function are inserted in step S700. By producing the PDF file 20 as an application program, the PDF file 20 optimized for a smartphone can be conveniently viewed with a dedicated viewer even without a connection to the Internet.

FIG. 7 is a diagram illustrating an example of a smart device on which a PDF file 20 converted by a conversion method of the PDF document 10 to have readability optimized for the smart device according to an embodiment of the present invention is output. . FIG. 7 converts a PDF document 10 such as the one outputted to the smart device in FIG. 1 according to a conversion method of the PDF document 10 to have readability optimized for the smart device according to an embodiment of the present invention. The PDF file 20 is output to the smart device. As illustrated in FIG. 7, in the PDF file 20 converted by the present invention, the title, subtitle, and specific content can be conveniently viewed without additional work such as enlargement. In other words, by increasing the content portion to read the letter, and by reducing the size of the picture that plays a relatively minor role, it can be confirmed that the readability is significantly improved because it is optimized for smart devices.

The present invention may be embodied in many other specific forms without departing from the spirit or essential characteristics of the invention.

10: PDF document 20: PDF file
100: worker terminal 110: screen setting unit
120: input unit 130: PS file extraction unit
140: adjustment unit 150: conversion unit
160: table of contents generation unit 170: insertion unit
180: program production unit 190: database
S100: step of setting the screen size of the smart device
S200: step of receiving input from the operator to specify the conversion request portion in the PDF document
S300: cutting the designated conversion request part from the PDF document and extracting the file into a PS file format
S400: Step of adjusting the position and size of the extracted PS file according to the screen size of the smart device
S500: steps to convert a PS file into one PDF file
S600: Steps to Generate Table of Contents for PS File
S700: Steps to Insert Interactive Functions in Converted PDF Files
S800: steps to create an application program that includes the viewer and the converted PDF file

Claims (8)

As a conversion method of a PDF document,
(1) setting the screen size of the smart device;
(2) receiving input of at least one conversion request portion of the PDF document from an operator;
(3) cutting out the designated conversion request portion from the PDF document and extracting the file into a PS file format;
(4) adjusting the position and size of the extracted at least one PS file according to the preset screen size of the smart device;
(5) converting the at least one PS file into a PDF file; And
(6) A method of converting a PDF document, comprising inserting an interactive function into the converted PDF file.
2. The method according to claim 1, wherein in the step (5)
And converting the at least one or more PS files into a single PDF file composed of a plurality of pages.
The method of claim 1, wherein in step (6),
A method of converting a PDF document, characterized by inserting a search function.
The method of claim 1, wherein in step (6),
And inserting additional information including a link, text, sound, image, video, or multimedia in conjunction with an interactive function.
The method of claim 1, wherein before step (6),
Generating a table of contents for the PS file.
The method of claim 5, wherein in step (6),
And a table of contents for the generated PS file is further inserted into the converted PDF file.
The method of claim 1,
(7) a program document of the worker terminal further comprises the step of producing an application program including the viewer and the converted PDF file for outputting the converted PDF file in the smart device, the PDF document Method of conversion.
A computer-readable recording medium in which a program for executing the method according to any one of claims 1 to 7 is recorded.

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