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Character drawing device and character drawing method

A technique for drawing devices and characters, used in electrical digital data processing, cathode ray tube indicators, image data processing, etc.

Inactive Publication Date: 2014-11-05
MITSUBISHI ELECTRIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in this character drawing device, it is necessary to have a plurality of types of fonts, so there is a problem that a large-capacity memory for storing fonts is required.

Method used

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  • Character drawing device and character drawing method
  • Character drawing device and character drawing method
  • Character drawing device and character drawing method

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Experimental program
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Embodiment approach 1

[0032] figure 1 It is a block diagram showing the configuration of the character drawing device according to Embodiment 1 of the present invention. This character drawing device is configured by connecting an arithmetic processor 11 and a system memory 12 with a bus 13 .

[0033] The arithmetic processor 11 is constituted by, for example, a CPU (Central Processing Unit, Central Processing Unit), and includes an application program 21 and a video memory 22 . The application program 21 includes programs for realizing the functions of the character drawing device. The image memory 22 stores character image data.

[0034] The system memory 12 corresponds to the "storage unit" of the present invention, and holds instruction codes constituting programs of the arithmetic processor 11 and data used in various processes. Data held in the system memory 12 includes outline fonts that define the outlines of characters. In addition, the outline font is not limited to being stored in th...

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Abstract

A character drawing device comprises a system memory (12) and a computation processor (11). The system memory stores an outline font that defines the outline of a character. The computation processor (11) generates a rectangle in an outline portion of a character indicated by the outline font that is read from this storage section, adjusts the width of this rectangle that has thus been generated in accordance with the thickness of the character, and, after this adjustment, draws a character, setting the transparency in the rectangle and the region within the character that is enclosed by the rectangle.

Description

technical field [0001] The present invention relates to a character drawing device and a character drawing method for drawing characters with various weights or performing character modification. Background technique [0002] In a conventional character drawing device, a plurality of types of fonts with different weights are prepared in advance, and when displaying a character with a different thickness such as a thick character or a thin character, the font is switched according to the thickness of the character to be drawn. depict. However, since this character drawing device needs to have a plurality of types of fonts, there is a problem that a large-capacity memory for storing fonts is required. [0003] Therefore, there is known a technique in which only one type of weighted font is mounted, and when a bold character is displayed, the font data is converted into font data corresponding to a bold character with a large weight and drawn (for example, refer to Patent Docu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G5/24G09G5/28
CPCG09G5/28G09G5/24G06T11/203G06F40/109
Inventor 根岸博康前川拓也川又武典
Owner MITSUBISHI ELECTRIC CORP
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