WO2017078252A1 - Dispositif terminal électronique pour copie à maintien de forme de texte inclus dans un document pdf, et procédé de copie à maintien de forme de texte inclus dans un document pdf de dispositif terminal électronique - Google Patents

Dispositif terminal électronique pour copie à maintien de forme de texte inclus dans un document pdf, et procédé de copie à maintien de forme de texte inclus dans un document pdf de dispositif terminal électronique Download PDF

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Publication number
WO2017078252A1
WO2017078252A1 PCT/KR2016/008717 KR2016008717W WO2017078252A1 WO 2017078252 A1 WO2017078252 A1 WO 2017078252A1 KR 2016008717 W KR2016008717 W KR 2016008717W WO 2017078252 A1 WO2017078252 A1 WO 2017078252A1
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WIPO (PCT)
Prior art keywords
glyph
character
information
characters
glyph information
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PCT/KR2016/008717
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English (en)
Korean (ko)
Inventor
이창일
Original Assignee
주식회사 한컴플렉슬
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Priority claimed from KR1020150182644A external-priority patent/KR101758098B1/ko
Application filed by 주식회사 한컴플렉슬 filed Critical 주식회사 한컴플렉슬
Publication of WO2017078252A1 publication Critical patent/WO2017078252A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F40/00—Handling natural language data
    • G06F40/10—Text processing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F40/00—Handling natural language data
    • G06F40/10—Text processing
    • G06F40/166—Editing, e.g. inserting or deleting

Definitions

  • the present invention relates to a technique for supporting copying of characters included in a Portable Document Format (PDF) document to another electronic document while maintaining the same shape as the font or size of the corresponding characters.
  • PDF Portable Document Format
  • These electronic document related programs include word processors that support the creation and editing of basic documents, data entry, arithmetic operations, spreadsheets to assist with data management, and presentation programs to assist presenters.
  • PDF Portable Document Format
  • a PDF document does not manage formatting information such as font or size of characters included in the PDF document, but instead stores glyph information indicating the appearance of the characters. Since the shape of the characters contained in the PDF document is rendered and displayed by referring to the Glyph Map, when the characters included in the PDF document are copied to another electronic document, the other electronic document is displayed. There was a problem in that formatting information such as font or size of the characters could not be referred to, so that the font or size of the characters on the other electronic document could not be displayed the same as that in the PDF document.
  • an electronic terminal apparatus for maintaining shape copying of characters included in a Portable Document Format (PDF) document and a shape maintaining copying method for characters included in a PDF document of the electronic terminal apparatus may be included in a PDF document.
  • PDF Portable Document Format
  • the glyph information of the specific characters is extracted from a glyph map included in the PDF document, and the image information is extracted on a predetermined table.
  • the shape of the specific characters is rendered on the PDF document by rendering and inserting the shapes of the specific characters into the other electronic document based on the glyph information of the specific characters stored in the glyph table. It is intended to support copying to other electronic documents while remaining the same as.
  • an electronic terminal apparatus for maintaining shape copying of characters included in a Portable Document Format (PDF) document includes a first electronic document for at least one character among a plurality of characters included in the PDF document.
  • a glyph information extraction unit for extracting glyph information for the at least one character from the glyph information, and a glyph table for managing glyph information to generate glyph information for the at least one character;
  • a glyph information storage unit for storing in a glyph table and the at least one character stored in the glyph table; Wherein the glyph rendering information based on the appearance of at least one character, and wherein the character includes an insertion for inserting the at least one character rendered on the first electronic document.
  • the shape maintaining copy method for the characters contained in the PDF document of the electronic terminal device to at least one character among a plurality of characters included in the PDF document to the first electronic document;
  • a glyph map included in the PDF document in which the glyph map stores glyph information indicating the shape of the plurality of characters for rendering and displaying the plurality of characters on the PDF document.
  • an electronic terminal apparatus for maintaining shape copying of characters included in a Portable Document Format (PDF) document and a shape maintaining copying method for characters included in a PDF document of the electronic terminal apparatus may be included in a PDF document.
  • PDF Portable Document Format
  • the glyph information of the specific characters is extracted from a glyph map included in the PDF document, and the image information is extracted on a predetermined table.
  • the shape of the specific characters is rendered on the PDF document by rendering and inserting the shapes of the specific characters into the other electronic document based on the glyph information of the specific characters stored in the glyph table. While maintaining the same as, it can be supported to be copied to other electronic documents.
  • FIG. 1 is a diagram illustrating a structure of an electronic terminal device for maintaining shape copying of characters included in a Portable Document Format (PDF) document according to an embodiment of the present invention.
  • PDF Portable Document Format
  • FIGS. 2 and 3 are diagrams for describing an electronic terminal apparatus for maintaining shape copying of characters included in a PDF document according to an embodiment of the present invention.
  • FIG. 4 is a flowchart illustrating a shape maintaining copying method for characters included in a PDF document of an electronic terminal device according to an embodiment of the present invention.
  • FIG. 1 is a diagram illustrating a structure of an electronic terminal device for maintaining shape copying of characters included in a Portable Document Format (PDF) document according to an embodiment of the present invention.
  • PDF Portable Document Format
  • the electronic terminal device 110 for maintaining shape copy of a character included in a PDF document includes a glyph information extracting unit 111 and a glyph information storing unit 112. ) And the character insertion unit 113.
  • the electronic terminal device 110 for maintaining shape copy of the characters included in the PDF document according to an embodiment of the present invention, the viewing, creation or editing of electronic documents, such as desktop PC, mobile terminal, PDA, notebook, tablet PC It can be implemented based on various kinds of microprocessor-based devices that can provide functions.
  • the glyph information extracting unit 111 may include a glyph map included in the PDF document. Glyph information for the at least one character is extracted from the.
  • the glyph map refers to a mapping table in which glyph information indicating the shape of the plurality of characters is stored in order to render and display the plurality of characters on the PDF document.
  • the glyph information storage unit 112 generates a glyph table for managing glyph information, and stores glyph information for the at least one character in the glyph table.
  • the character insertion unit 113 renders a shape of the at least one character based on the glyph information of the at least one character stored in the glyph table, and renders the at least one character on the first electronic document. Insert
  • each of the glyph information stored in the glyph map and an index key for indexing the glyph information are stored in correspondence with each other.
  • glyph information and index keys for the two or more identical characters may be stored in correspondence with only one of the glyph maps.
  • Each of the plurality of characters may be assigned an index key for indexing glyph information corresponding to each of the plurality of characters in the glyph map.
  • the glyph information extracting unit 111 is stored in correspondence with the same index key as the index key assigned to each of the at least one character from the glyph map based on the index key assigned to each of the at least one character. At least one glyph information may be extracted as glyph information for the at least one character.
  • the glyph information storage unit 112 may store the at least one glyph information in the glyph table, and the character insertion unit 113 may store the at least one glyph information based on the at least one glyph information stored in the glyph table.
  • the shape of one character may be rendered to insert the at least one rendered character on the first electronic document.
  • the electronic terminal device 110 for maintaining shape copy of the characters included in the PDF document may further include a management key generation unit 114.
  • the management key generation unit 114 When extraction of the at least one glyph information is completed, the management key generation unit 114 generates a management key for each of the at least one glyph information based on an index key corresponding to each of the at least one glyph information. A management key for each of the at least one character is generated based on an index key assigned to each of the at least one character.
  • the glyph information storage unit 112 may store the at least one glyph information and a management key for each of the at least one glyph information in correspondence with each other on the glyph table
  • the character insertion unit 113 may store the glyph.
  • At least one rendered on the first electronic document after rendering a shape of the at least one character with reference to glyph information stored corresponding to the same management key as a management key for each of the at least one character from a table Character can be inserted.
  • the glyph information extraction unit 111 may include a duplicate confirmation unit 115 and a deduplication extraction unit 116.
  • the duplication checker 115 compares the index keys assigned to each of the at least one character with each other and checks whether two or more characters to which the same index key is assigned among the at least one character exist.
  • the deduplication extracting unit 116 is configured to, when there are two or more characters to which the same index key is assigned, is the same index key as the index key assigned to each of the at least one character from the glyph map.
  • extracting the at least one glyph information stored corresponding to the at least one glyph information only one glyph information is selected and extracted as glyph information corresponding to two or more characters to which the same index key is assigned.
  • the glyph information extracting unit 111 may include the plurality of characters included in the PDF document after the at least one rendered character is inserted into the first electronic document.
  • glyph information about the at least one other character may be extracted from the glyph map.
  • the glyph information storage unit 112 checks whether the same glyph information as the glyph information for the at least one other character is already stored on the glyph table, and thus duplicates glyph information among the glyph information for the at least one other character.
  • the remaining glyph information except for may be additionally stored on the glyph table, and the character insertion unit 113 may be configured to store the at least one other character based on glyph information of the at least one other character stored in the glyph table.
  • FIGS. 2 and 3 are diagrams for describing the electronic terminal device 110 for maintaining shape copying of characters included in a PDF document according to an embodiment of the present invention.
  • a copy command to the first electronic document 220 is performed for at least one character indicated by reference numeral 211 among a plurality of characters included in the PDF document 210 by the user.
  • the glyph information extracting unit 111 may extract glyph information for at least one character 211 from a glyph map included in the PDF document 210.
  • the glyph information is information on a predetermined character shape for rendering and displaying a specific character on the screen.
  • the glyph information will be described in detail with reference to the example illustrated in FIG. 3.
  • the glyph information of “a” means coordinate information of points indicated by points in 310.
  • the glyph information refers to vector data expressed as coordinate values on a two-dimensional plane with respect to a plurality of points having the outline of the image “a” shown in 310.
  • the electronic terminal device is based on the coordinate values included in the glyph information 320 for the letter "a". As shown at 330, the letter image “a” may be completely rendered and displayed on the screen.
  • the solid lines connecting the points indicated by the reference numeral 310 are only shown for clarity, and as described above, the glyph information 320 for the letter “a” may refer to the points indicated by the reference numeral 310.
  • the glyp map refers to a mapping table in which glyph information indicating the shape of the plurality of characters is stored to render and display the plurality of characters on the PDF document 210.
  • each glyph information stored in the glyph map and an index key for indexing the glyph information are stored in correspondence with each other, and two or more identical characters among the plurality of characters are present. In this case, only one glyph information and one index key corresponding to the two or more identical characters are stored correspondingly on the glyph map.
  • the PDF document 210 of the embodiment of FIG. 2 may include a glyph map that stores information as shown in Table 1 below.
  • Grip Information For multiple characters Grip Information Glyph information for the word "most” Glyph information for the text "root” Glyph information for the text "De” ... Index key Index key 1 Index key 2 Index key 3 ...
  • the glyph map stores all the glyph information for the plurality of characters included in the PDF document 210 and an index key corresponding thereto, as shown in Table 1 above. Is a duplicate character that appears more than once on the PDF document 210, such as "desktop”, “laptop”, and the like, with respect to the glyph information for the character "top” on the glyph map and the corresponding character.
  • the index keys are not stored as many times as duplicated appearances on the PDF document 210, but are stored one by one.
  • An index key for indexing glyph information corresponding to each of the plurality of characters in the glyph map is assigned to each of the plurality of characters included in the PDF document 210.
  • index key corresponding to the glyph information for the character “most” in Table 1 is “index key 1”.
  • index key 1 may be assigned, and for the character "root”, since the index key corresponding to the glyph information for the character "root” in Table 1 is "index key 2", "index key 2" May be assigned.
  • the glyph information extracting unit 111 corresponds to the same index key as the index key assigned to each of the at least one character 211 from the glyph map based on the index key assigned to each of the at least one character 211. At least one glyph information stored and stored may be extracted.
  • the glyph information extracting unit 111 uses the "index key 1" from the glyph map shown in Table 1 above. Glyph information can be extracted for the character " most " stored corresponding to ", " index key 2 " for the character " root "
  • the extraction unit 111 may extract glyph information on a character of "root” stored corresponding to "index key 2" from the glyph map shown in Table 1 above. In this way, the glyph information extracting unit 111 may extract the at least one glyph information corresponding to each of the at least one character 211 from the glyph map.
  • the duplication checker 115 compares the index keys assigned to each of the at least one character 211 with each other to determine whether there are two or more characters to which the same index key is assigned among the at least one character 211.
  • the deduplication extracting unit 116 may be assigned to each of the at least one character 211 from the glyph map when two or more characters among the at least one character 211 to which the same index key is assigned exist.
  • the letters “top” of the at least one letter 211 are letters that are duplicated more than once on the PDF document 210, such as “desktop” and “laptop”.
  • the duplication checker 115 may confirm that the index key assigned to the letter "top” has been duplicated more than once by the words “desktop” and “laptop”, and at this time, the deduplication extraction unit 116 When extracting the at least one glyph information stored corresponding to the same index key as the index key assigned to each of the at least one character 211 from the glyph map, " desktop " Instead of extracting the same two pieces of glyph information by the word "laptop", only one piece of glyph information for the letter "top” may be selected and extracted.
  • the management key generator 114 manages a management key for each of the at least one glyph information based on an index key corresponding to each of the at least one glyph information. May be generated, and a management key for each of the at least one character 211 may be generated based on the index key assigned to each of the at least one character 211.
  • the management key generation unit 114 generates a management key for each of the at least one glyph information by applying an index key corresponding to each of the at least one glyph information as an input to a predetermined key generation function. can do.
  • the management key generation unit 114 also applies an index key assigned to each of the at least one character 211 as an input to the selected key generation function, thereby managing the management key for each of the at least one character 211. Can be generated.
  • the management key generator 114 applies “index key 1" to the selected key generation function as an input. Since “management key 1" can be generated as a management key corresponding to the glyph information for the character “up to”, and the index key assigned to the character “up to” is also "index key 1", the management key generation unit 114 ) May generate “management key 1” with a management key corresponding to the character “up to” by applying “index key 1” as an input to the selected key generation function.
  • the management key corresponding to the glyph information for the character "most” and the management key corresponding to the character "most” may be the same management key as "management key 1".
  • the glyph information storage unit 112 when generation of the management key for each of the at least one glyph information and the management key for each of the at least one character is completed, the glyph information storage unit 112 generates a glyph table for managing the glyph information.
  • the at least one glyph information and a management key for each of the at least one glyph information may be stored in correspondence with each other on the glyph table.
  • the management key corresponding to the glyph information for the character "most" of the at least one glyph information is generated as “management key 1”
  • the management key corresponding to the glyph information for the character "root” is “management”.
  • the management key corresponding to the glyph information for the character "de” has been generated as the “management key 3”
  • the information may be stored as shown in Table 2 below.
  • At least one Posts Lip information Glyph information for the word "most” Glyph information for the text "root” Glyph information for the text "De” ...
  • the character inserting unit 113 refers to the glyph information stored in correspondence with the same management key as the management key for each of the at least one character 211 from the glyph table, and the shape of the at least one character 211. After the rendering, as illustrated at 221, at least one character 221 rendered on the first electronic document 220 may be inserted.
  • the character "Maximum” For example, as a result of generating the management key for each of the at least one character 211 based on the index key assigned to each of the at least one character 211 by the management key generation unit 114, the character “Maximum”. For “administrative key 1" has been generated, “administrative key 2" has been generated for the character “root”, “administrative key 3” has been generated for the character “de”, character insertion unit 113 is By referring to the glyph information for the character "most” stored corresponding to "management key 1" from the glyph table shown in Table 2, the shape of the character "most” is rendered on the first electronic document 220.
  • the shape of the text "root” may be rendered and inserted on the first electronic document 220 by referring to the glyph information on the character "root” stored in correspondence with the "management key 2". "De” stored in correspondence with "management key 3" The shape of the letter “de” may be rendered and inserted on the first electronic document 220 with reference to the glyph information on the letter.
  • the glyph information extracting unit 111 may extract glyph information for the at least one other character from the glyph map according to the above glyph information extraction method. .
  • the glyph information storage unit 112 may further store glyph information for the at least one other character on the glyph table according to the glyph information storage method described above. Before further storing the glyph information for a character, it may be first checked whether the same glyph information as the glyph information for the at least one other character is already stored on the glyph table.
  • the glyph information storage unit 112 displays duplicate glyph information on the glyph table. Since it does not need to be stored again, only the other glyph information except for the duplicate glyph information among the glyph information for the at least one other character may be additionally stored on the glyph table.
  • the character insertion unit 113 renders the shape of the at least one other character based on the glyph information of the at least one other character stored in the glyph table according to the character insertion method described above.
  • the rendered at least one other character may be additionally inserted into the electronic document 220.
  • the electronic terminal apparatus 110 for maintaining shape copy of the characters included in the PDF document when authorized to copy to another electronic document with respect to specific characters included in the PDF document, Extracting glyph information for the specific characters from a glyph map included in the PDF document, storing the glyph information for the specific characters, and storing the glyph information for the specific characters stored in the glyph table.
  • the shapes of the specific characters can be copied to another electronic document while maintaining the same shape as the shape on the PDF document.
  • FIG. 4 is a flowchart illustrating a shape maintaining copying method for characters included in a PDF document of an electronic terminal device according to an embodiment of the present invention.
  • a glyph map included in the PDF document (the glyph map may include the plurality of characters).
  • Glyph information of the at least one character is extracted from a mapping table in which glyph information indicating the shape of the plurality of characters is stored in order to render and display the characters in the PDF document.
  • step S420 a glyph table for managing glyph information is generated to store glyph information for the at least one character in the glyph table.
  • the shape of the at least one character is rendered based on the glyph information of the at least one character stored in the glyph table to insert the rendered at least one character into the first electronic document. do.
  • each of the glyph information stored in the glyph map and an index key for indexing the glyph information are stored in correspondence with each other. If two or more identical characters exist, the glyph information and the index key for the two or more identical characters may be stored in correspondence with only one on the glyph map, and each of the plurality of characters may be stored in the glyph map. An index key for indexing glyph information corresponding to each of the plurality of characters may be allocated.
  • step S410 at least one stored in correspondence with the same index key as the index key assigned to each of the at least one character from the glyph map based on the index key assigned to each of the at least one character.
  • the glyph information of may be extracted as glyph information about the at least one character.
  • step S420 the at least one glyph information may be stored in the glyph table, and in step S430, the shape of the at least one letter is based on the at least one glyph information stored in the glyph table.
  • Rendering may insert the rendered at least one character on the first electronic document.
  • the shape maintaining copy method for the text included in the PDF document of the electronic terminal device corresponds to each of the at least one glyph information when extraction of the at least one glyph information is completed.
  • the generating of the management key may include applying an index key corresponding to each of the at least one glyph information to a selected key generation function as input to each of the at least one glyph information.
  • a management key for each of the at least one character can be generated by applying a management key for each of the at least one character by applying an input to the selected key generation function for an index key assigned to each of the at least one character.
  • step S420 the at least one glyph information and a management key for each of the at least one glyph information may be stored to correspond to each other on the glyph table, and in step S430, the at least one glyph from the glyph table may be stored.
  • the shape of the at least one character is rendered by referring to the glyph information stored corresponding to the same management key as the management key for each of the characters of the character, and the inserted at least one character is inserted into the first electronic document. Can be.
  • step S410 there are two or more characters to which the same index key is allocated among the at least one character by comparing the index keys assigned to each of the at least one character. And if there are two or more characters to which the same index key is assigned among the at least one character, from the grip map to the same index key as the index key assigned to each of the at least one character.
  • the method may include selecting and extracting only one grip information as grip information corresponding to two or more characters to which the same index key is assigned.
  • the shape maintaining copy method for the characters included in the PDF document of the electronic terminal device after the rendered at least one character is inserted into the first electronic document, the PDF Extracting glyph information for the at least one other character from the glyph map when an additional copy command to the first electronic document is applied to at least one other character among the plurality of characters included in the document; Determine whether the same glyph information as the glyph information for the at least one other character is already stored on the glyph table, and display the remaining glyph information except for the duplicate glyph information among the glyph information for the at least one other character. Further storing the image and at least the one stored in the glyph table.
  • the method may further include inserting the rendered at least one other character on the first electronic document by rendering a shape of the at least one other character based on the glyph information of one other character.
  • the shape maintaining copying method for the characters included in the PDF document of the electronic terminal device according to an embodiment of the present invention has been described with reference to FIG. 4.
  • the shape maintaining copy method for the characters contained in the PDF document of the electronic terminal device according to an embodiment of the present invention is an electronic terminal for maintaining the shape of the characters included in the PDF document described with reference to Figs. Since it may correspond to the configuration of the operation of the device 110, a more detailed description thereof will be omitted.
  • the shape maintaining copy method for a character included in a PDF document of an electronic terminal device may be implemented as a computer program stored in a storage medium for execution by combining with a computer.
  • the shape maintaining copy method for the characters included in the PDF document of the electronic terminal device may be implemented in the form of program instructions that can be executed by various computer means to be recorded on a computer readable medium.
  • the computer readable medium may include program instructions, data files, data structures, etc. alone or in combination.
  • Program instructions recorded on the media may be those specially designed and constructed for the purposes of the present invention, or they may be of the kind well-known and available to those having skill in the computer software arts.
  • Examples of computer-readable recording media include magnetic media such as hard disks, floppy disks, and magnetic tape, optical media such as CD-ROMs, DVDs, and magnetic disks, such as floppy disks.
  • Magneto-optical media and hardware devices specifically configured to store and execute program instructions, such as ROM, RAM, flash memory, and the like.
  • program instructions include not only machine code generated by a compiler, but also high-level language code that can be executed by a computer using an interpreter or the like.
  • the hardware device described above may be configured to operate as one or more software modules to perform the operations of the present invention, and vice versa.

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Abstract

La présente invention extrait des informations de glyphe relatives à des caractères spéciaux d'une carte de glyphes incluse dans un document de type format de document portable (PDF), stocke les informations dans une table de glyphes prédéterminée, fournit un rendu des formes des caractères spéciaux sur la base des informations de glyphes pour les caractères spéciaux stockés dans la table de glyphes, et les insère dans un document électronique différent lorsqu'une commande de copie des caractères spéciaux du document PDF vers le document électronique différent est appliquée ; et en résultat, peut assurer que les caractères spéciaux peuvent être copiés dans le document électronique différent tout en conservant la même forme de caractère spécial comme dans le document PDF.
PCT/KR2016/008717 2015-11-03 2016-08-08 Dispositif terminal électronique pour copie à maintien de forme de texte inclus dans un document pdf, et procédé de copie à maintien de forme de texte inclus dans un document pdf de dispositif terminal électronique WO2017078252A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2015-0153902 2015-11-03
KR20150153902 2015-11-03
KR1020150182644A KR101758098B1 (ko) 2015-11-03 2015-12-21 Pdf 문서에 포함된 문자의 모양 유지 복사를 위한 전자 단말 장치 및 상기 전자 단말 장치의 pdf 문서에 포함된 문자에 대한 모양 유지 복사 방법
KR10-2015-0182644 2015-12-21

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KR20120001750A (ko) * 2009-03-10 2012-01-04 구글 인코포레이티드 폰트 글리프들을 제공
US20130322759A1 (en) * 2011-12-01 2013-12-05 Peking University Founder Group Co., Ltd. Method and device for identifying font
KR20140056260A (ko) * 2011-12-31 2014-05-09 페킹 유니버시티 한자 구성 방법과 장치, 문자 구성 방법과 장치, 및 폰트 라이브러리 생성 방법

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