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Printer having a direct printing function and printing method thereof

A font and file technology, applied to printers with direct printing function and its printing fields, can solve problems such as time increase

Inactive Publication Date: 2007-04-25
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, more complex processing is required to encode CJK fonts, and the time required for conversion on the PS interpreter inevitably increases

Method used

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  • Printer having a direct printing function and printing method thereof
  • Printer having a direct printing function and printing method thereof
  • Printer having a direct printing function and printing method thereof

Examples

Experimental program
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Embodiment Construction

[0031] Embodiments of the invention, examples of which are illustrated in the accompanying drawings, will now be described in detail, wherein like reference numerals refer to like parts throughout. The embodiments are described below in order to explain the present invention by referring to the figures.

[0032] A PDF file generally includes four parts, namely, a header, a body, a cross-reference table, and a footer. The body contains a series of objects and resources like font information. The font information includes a font name indicating a font type, and a font encoding indicating a method of realizing the font type. Only one of the font name and font encoding may be embedded in the PDF file, or neither of the font name and font encoding may be embedded in the PDF file.

[0033]FIG. 2 is a block diagram showing an image forming apparatus, such as a printer 10, including a PDF file direct printing function according to an embodiment of the present invention. As shown in...

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PUM

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Abstract

A printer having a direct printing function and a printing method thereof include memory that stores font information about an embedded font type, a font processor that compares font information embedded in a PDF file with the font information stored in the memory, and determines which font information embedded in the PDF file is converted into a postscript (PS) based on the comparison result, a PDF converter that converts the font information, which is determined by the font processor to be converted into the PS, and a resource of the PDF file into the PS, and a PS interpreter that converts a font of the PDF file into a bitmap data based on one of the font information stored in the memory and the font information embedded in the PDF file which is converted into the PS by the PDF converter. Accordingly, a conversion process from the PDF file into the PS and bitmap data can be simplified time taken for the conversion can be reduced, and thus, the print performance of the printer is improved.

Description

technical field [0001] The invention relates to a printer with direct printing function and a printing method thereof. More particularly, the present invention relates to a printer including a direct printing function capable of shortening the time it takes to convert font information and simplifying the process of converting font information when directly printing Portable Document Format (PDF) and a printing method thereof . Background technique [0002] PDF is a file format created by the Acrobat program developed by Adobe Corporation. The Acrobat program has the ability to collect document images from original documents in the original format and output the images in a format faithful to the original format, so it is suitable for making electronic manuals designed to be viewed through documents or monitors. [0003] In order to print such a PDF file, conventional methods use a printer driver to convert the PDF file into a printing language such as postscript (PS) (post...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K15/22G06F3/12
CPCG06K15/1822G06K15/02G06K15/1828G06K15/1835G06F3/12
Inventor 李光明
Owner SAMSUNG ELECTRONICS CO LTD