GB2226480B - Method and apparatus for determining line positions for display and manipulation by a computer system - Google Patents

Method and apparatus for determining line positions for display and manipulation by a computer system

Info

Publication number
GB2226480B
GB2226480B GB8921264A GB8921264A GB2226480B GB 2226480 B GB2226480 B GB 2226480B GB 8921264 A GB8921264 A GB 8921264A GB 8921264 A GB8921264 A GB 8921264A GB 2226480 B GB2226480 B GB 2226480B
Authority
GB
United Kingdom
Prior art keywords
manipulation
display
computer system
line positions
determining line
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.)
Expired - Fee Related
Application number
GB8921264A
Other versions
GB8921264D0 (en
GB2226480A (en
Inventor
Chris Malachowsky
Curtis Priem
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.)
Sun Microsystems Inc
Original Assignee
Sun Microsystems Inc
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 Sun Microsystems Inc filed Critical Sun Microsystems Inc
Publication of GB8921264D0 publication Critical patent/GB8921264D0/en
Publication of GB2226480A publication Critical patent/GB2226480A/en
Application granted granted Critical
Publication of GB2226480B publication Critical patent/GB2226480B/en
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
    • G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
    • G09G5/39—Control of the bit-mapped memory
    • G09G5/393—Arrangements for updating the contents of the bit-mapped memory

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)
  • Image Generation (AREA)
GB8921264A 1988-12-20 1989-09-20 Method and apparatus for determining line positions for display and manipulation by a computer system Expired - Fee Related GB2226480B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US28699788A 1988-12-20 1988-12-20

Publications (3)

Publication Number Publication Date
GB8921264D0 GB8921264D0 (en) 1989-11-08
GB2226480A GB2226480A (en) 1990-06-27
GB2226480B true GB2226480B (en) 1993-09-22

Family

ID=23101036

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8921264A Expired - Fee Related GB2226480B (en) 1988-12-20 1989-09-20 Method and apparatus for determining line positions for display and manipulation by a computer system

Country Status (5)

Country Link
JP (1) JP2787487B2 (en)
CA (1) CA1324676C (en)
FR (1) FR2640792B1 (en)
GB (1) GB2226480B (en)
HK (1) HK52594A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0218984A2 (en) * 1985-10-09 1987-04-22 International Business Machines Corporation Computer graphics processing apparatus and method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4667306A (en) * 1983-07-20 1987-05-19 Ramtek Corporation Method and apparatus for generating surface-fill vectors
US4725831A (en) * 1984-04-27 1988-02-16 Xtar Corporation High-speed video graphics system and method for generating solid polygons on a raster display

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0218984A2 (en) * 1985-10-09 1987-04-22 International Business Machines Corporation Computer graphics processing apparatus and method

Also Published As

Publication number Publication date
CA1324676C (en) 1993-11-23
FR2640792A1 (en) 1990-06-22
HK52594A (en) 1994-06-03
JP2787487B2 (en) 1998-08-20
FR2640792B1 (en) 1995-03-03
JPH02190897A (en) 1990-07-26
GB8921264D0 (en) 1989-11-08
GB2226480A (en) 1990-06-27

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20030920