CA2013056A1 - Generation de caracteres, avec anticrenelage - Google Patents

Generation de caracteres, avec anticrenelage

Info

Publication number
CA2013056A1
CA2013056A1 CA2013056A CA2013056A CA2013056A1 CA 2013056 A1 CA2013056 A1 CA 2013056A1 CA 2013056 A CA2013056 A CA 2013056A CA 2013056 A CA2013056 A CA 2013056A CA 2013056 A1 CA2013056 A1 CA 2013056A1
Authority
CA
Canada
Prior art keywords
representation
dot
dot1
value
dot1k
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA2013056A
Other languages
English (en)
Other versions
CA2013056C (fr
Inventor
Bradley James Beitel
Robert Douglas Gordon
Joseph Brunson Witherspoon, Iii
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of CA2013056A1 publication Critical patent/CA2013056A1/fr
Application granted granted Critical
Publication of CA2013056C publication Critical patent/CA2013056C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/22—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of characters or indicia using display control signals derived from coded signals representing the characters or indicia, e.g. with a character-code memory
    • G09G5/24—Generation of individual character patterns
    • G09G5/28—Generation of individual character patterns for enhancement of character form, e.g. smoothing

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Digital Computer Display Output (AREA)
  • Image Generation (AREA)
CA002013056A 1989-06-16 1990-03-26 Generation de caracteres, avec anticrenelage Expired - Fee Related CA2013056C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US36706389A 1989-06-16 1989-06-16
US07/367,063 1989-06-16

Publications (2)

Publication Number Publication Date
CA2013056A1 true CA2013056A1 (fr) 1990-12-16
CA2013056C CA2013056C (fr) 1994-08-02

Family

ID=23445786

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002013056A Expired - Fee Related CA2013056C (fr) 1989-06-16 1990-03-26 Generation de caracteres, avec anticrenelage

Country Status (5)

Country Link
US (1) US5390289A (fr)
EP (1) EP0403126B1 (fr)
JP (1) JP2842479B2 (fr)
CA (1) CA2013056C (fr)
DE (1) DE69018878T2 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3375764B2 (ja) * 1994-12-26 2003-02-10 三菱電機株式会社 字体生成装置
US7002596B1 (en) 1999-03-02 2006-02-21 Planetweb, Inc. Anti-aliasing system and method
JP2002215126A (ja) * 2001-01-15 2002-07-31 Sharp Corp 文字表示装置、文字表示方法および記録媒体
JP2002341855A (ja) * 2001-05-14 2002-11-29 Mitsubishi Electric Corp アンチエリアスフォント生成器
EP1854091A1 (fr) * 2005-01-10 2007-11-14 NDS Limited Systeme de generation de police de caracteres
US20090289943A1 (en) * 2008-05-22 2009-11-26 Howard Teece Anti-aliasing system and method
CN102044235B (zh) * 2009-10-09 2012-11-28 奇景光电股份有限公司 字体反锯齿方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2387557A1 (fr) * 1977-04-14 1978-11-10 Telediffusion Fse Systemes de reduction de visibilite du bruit sur des images de television
US4486785A (en) * 1982-09-30 1984-12-04 International Business Machines Corporation Enhancement of video images by selective introduction of gray-scale pels
US4578812A (en) * 1982-12-01 1986-03-25 Nec Corporation Digital image processing by hardware using cubic convolution interpolation
JPS59158468A (ja) * 1983-02-28 1984-09-07 Photo Composing Mach Mfg Co Ltd 文字・画像デ−タ斜体化制御回路
US4605952A (en) * 1983-04-14 1986-08-12 Rca Corporation Compatible HDTV system employing nonlinear edge compression/expansion for aspect ratio control
US4546385A (en) * 1983-06-30 1985-10-08 International Business Machines Corporation Data compression method for graphics images
US4672369A (en) * 1983-11-07 1987-06-09 Tektronix, Inc. System and method for smoothing the lines and edges of an image on a raster-scan display
JPS60194889A (ja) * 1984-03-16 1985-10-03 Toshiba Corp カラ−固体撮像装置
US4679040A (en) * 1984-04-30 1987-07-07 The Singer Company Computer-generated image system to display translucent features with anti-aliasing
US4653013A (en) * 1984-11-19 1987-03-24 General Electric Company Altering spatial characteristics of a digital image
US4704605A (en) * 1984-12-17 1987-11-03 Edelson Steven D Method and apparatus for providing anti-aliased edges in pixel-mapped computer graphics
JPS61237129A (ja) * 1985-04-15 1986-10-22 Yokogawa Electric Corp プリンタ
JPH0442874Y2 (fr) * 1985-04-22 1992-10-09
US4808984A (en) * 1986-05-05 1989-02-28 Sony Corporation Gamma corrected anti-aliased graphic display apparatus
US5025405A (en) * 1986-08-15 1991-06-18 Hewlett-Packard Company Method of interpolating pixel values
JPS63146895U (fr) * 1987-03-17 1988-09-28
US4816898A (en) * 1987-07-20 1989-03-28 Video Animation Systems, Inc. Digital video image converter
JPH03254487A (ja) * 1990-03-02 1991-11-13 Fujitsu Ltd ディスク装置制御方式

Also Published As

Publication number Publication date
EP0403126B1 (fr) 1995-04-26
EP0403126A3 (fr) 1992-03-04
CA2013056C (fr) 1994-08-02
DE69018878T2 (de) 1995-11-23
DE69018878D1 (de) 1995-06-01
JPH0331895A (ja) 1991-02-12
US5390289A (en) 1995-02-14
EP0403126A2 (fr) 1990-12-19
JP2842479B2 (ja) 1999-01-06

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Legal Events

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