Analysis method and apparatus for font code information in printing language, and application

A technology of encoding information and parsing method, which is applied in the field of parsing font encoding information in print languages, and can solve the problem of difficult access to technical support.

Inactive Publication Date: 2018-04-13
RICOH IMAGING TECH SHANGHAI CO LTD
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  • Abstract
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Problems solved by technology

And technical support from core module developers is not easy to get

Method used

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  • Analysis method and apparatus for font code information in printing language, and application
  • Analysis method and apparatus for font code information in printing language, and application
  • Analysis method and apparatus for font code information in printing language, and application

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Embodiment Construction

[0093] In the following description, many technical details are proposed in order to enable readers to better understand the application. However, those skilled in the art can understand that without these technical details and various changes and modifications based on the following implementation modes, the technical solution claimed in each claim of the present application can also be realized.

[0094] In order to make the purpose, technical solution and advantages of the present invention clearer, the following will further describe the implementation of the present invention in detail in conjunction with the accompanying drawings.

[0095] The first embodiment of the present invention relates to a method for analyzing font encoding information in a printing language. figure 1 is a schematic flow chart of the method.

[0096] Specifically, such as figure 1 As shown, the parsing method of font encoding information in this printing language includes:

[0097] The first o...

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Abstract

The invention relates to the field of printers and discloses an analysis method and apparatus for font code information in a printing language, and an application. The analysis method for the font code information in the printing language comprises the following steps of obtaining a first printed document generated after a first document containing multiple characters is printed by a printing driver program; extracting font codes from the first printed document to form a font code sequence; and based on a sequence of the font codes in the font code sequence and a sequence of the correspondingcharacters in the first document, determining a first mapping relationship between character codes of the characters with known fonts and the font codes. The font codes in PCL data can be modified orcharacter information corresponding to the font codes can be traced conveniently.

Description

technical field [0001] The invention relates to the field of printers, in particular to a method for analyzing font coding information in a printing language, a device and an application thereof. Background technique [0002] The character content that appears in the PCL (Printer Command Language, printer control language) data after being processed by the print driver has been converted into a font code that is convenient for the printer to use, and is no longer a character code (such as Unicode (Unicode), GB2312 (Chinese character coded character set for information exchange), ShiftJIS (a code table commonly used in Japanese computer systems), etc.), cannot be recognized manually. For example, the Chinese character "中", whose Unicode character code is 0x4E2D, uses Song typeface, and after being printed by the PCL6Driver (a print driver), it is converted into a font code 0x045D. Font encoding is controlled by the developer of the core module of the print driver, which belo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/12
CPCG06F3/1203G06F3/1247G06F3/1297
Inventor 张孝志王清源贺诗炜
Owner RICOH IMAGING TECH SHANGHAI CO LTD
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