DE69413035D1 - Antialiasing-verfahren und -vorrichtung mit automatischer justierung von horizontalen und vertikalen rändern an einem zielgitter - Google Patents

Antialiasing-verfahren und -vorrichtung mit automatischer justierung von horizontalen und vertikalen rändern an einem zielgitter

Info

Publication number
DE69413035D1
DE69413035D1 DE69413035T DE69413035T DE69413035D1 DE 69413035 D1 DE69413035 D1 DE 69413035D1 DE 69413035 T DE69413035 T DE 69413035T DE 69413035 T DE69413035 T DE 69413035T DE 69413035 D1 DE69413035 D1 DE 69413035D1
Authority
DE
Germany
Prior art keywords
horizontal
automatic adjustment
vertical edges
target grid
antialiasing method
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 - Lifetime
Application number
DE69413035T
Other languages
English (en)
Other versions
DE69413035T2 (de
Inventor
Allen Chan
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.)
Apple Inc
Original Assignee
Apple Computer 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 Apple Computer Inc filed Critical Apple Computer Inc
Publication of DE69413035D1 publication Critical patent/DE69413035D1/de
Application granted granted Critical
Publication of DE69413035T2 publication Critical patent/DE69413035T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/20—Drawing from basic elements, e.g. lines or circles
    • G06T11/203—Drawing of straight lines or curves
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
    • G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/001—Texturing; Colouring; Generation of texture or colour
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K2215/00—Arrangements for producing a permanent visual presentation of the output data
    • G06K2215/0002—Handling the output data
    • G06K2215/004—Generic data transformation
    • G06K2215/0042—Rasterisation
    • G06K2215/0045—Converting outline to bitmap
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K2215/00—Arrangements for producing a permanent visual presentation of the output data
    • G06K2215/0002—Handling the output data
    • G06K2215/004—Generic data transformation
    • G06K2215/006—Anti-aliasing raster data

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Image Generation (AREA)
  • Image Processing (AREA)
DE69413035T 1993-06-10 1994-06-03 Antialiasing-verfahren und -vorrichtung mit automatischer justierung von horizontalen und vertikalen rändern an einem zielgitter Expired - Lifetime DE69413035T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US7475493A 1993-06-10 1993-06-10
PCT/US1994/006243 WO1994029843A1 (en) 1993-06-10 1994-06-03 Anti-aliasing apparatus and method with automatic snap fit of horizontal and vertical edges to target grid

Publications (2)

Publication Number Publication Date
DE69413035D1 true DE69413035D1 (de) 1998-10-08
DE69413035T2 DE69413035T2 (de) 1999-05-06

Family

ID=22121506

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69413035T Expired - Lifetime DE69413035T2 (de) 1993-06-10 1994-06-03 Antialiasing-verfahren und -vorrichtung mit automatischer justierung von horizontalen und vertikalen rändern an einem zielgitter

Country Status (6)

Country Link
US (1) US6101514A (de)
EP (1) EP0702818B1 (de)
JP (1) JP3375638B2 (de)
AU (1) AU7051594A (de)
DE (1) DE69413035T2 (de)
WO (1) WO1994029843A1 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5684510A (en) * 1994-07-19 1997-11-04 Microsoft Corporation Method of font rendering employing grayscale processing of grid fitted fonts
US5790126A (en) * 1995-01-03 1998-08-04 Microsoft Corporation Method for rendering a spline for scan conversion of a glyph
CA2186053A1 (en) * 1995-09-29 1997-03-30 Gerhard P. Deffner Center-line anti-aliasing for digital printing
US5943063A (en) * 1995-10-23 1999-08-24 Adobe Systems, Inc. Method and apparatus for rendering characters
EP0785524A3 (de) * 1996-01-05 1999-01-13 Texas Instruments Incorporated Druck mit Punktformmodulation und Grauwerten
US6417867B1 (en) * 1999-05-27 2002-07-09 Sharp Laboratories Of America, Inc. Image downscaling using peripheral vision area localization
US6563502B1 (en) 1999-08-19 2003-05-13 Adobe Systems Incorporated Device dependent rendering
US6636235B1 (en) * 2000-10-12 2003-10-21 International Business Machines Corporation Lettering adjustments for display resolution
US7598955B1 (en) 2000-12-15 2009-10-06 Adobe Systems Incorporated Hinted stem placement on high-resolution pixel grid
US20030058246A1 (en) * 2001-09-21 2003-03-27 Roelofs Gregory Robert Force-mediated rasterization
US7224489B2 (en) * 2001-09-25 2007-05-29 Xerox Corporation Font characteristic driven halftoning
US20040174379A1 (en) * 2003-03-03 2004-09-09 Collodi David J. Method and system for real-time anti-aliasing
US7006107B2 (en) 2003-05-16 2006-02-28 Adobe Systems Incorporated Anisotropic anti-aliasing
US7002597B2 (en) 2003-05-16 2006-02-21 Adobe Systems Incorporated Dynamic selection of anti-aliasing procedures
WO2005004040A1 (en) * 2003-07-02 2005-01-13 Celartem Technology Inc. Image sharpening with region edge sharpness correction
TWI228240B (en) * 2003-11-25 2005-02-21 Benq Corp Image processing method for reducing jaggy-effect
US7333110B2 (en) 2004-03-31 2008-02-19 Adobe Systems Incorporated Adjusted stroke rendering
US7602390B2 (en) 2004-03-31 2009-10-13 Adobe Systems Incorporated Edge detection based stroke adjustment
US20050270372A1 (en) * 2004-06-02 2005-12-08 Henninger Paul E Iii On-screen display and privacy masking apparatus and method
EP1854091A1 (de) * 2005-01-10 2007-11-14 NDS Limited Font-erzeugungssystem
US8497874B2 (en) * 2006-08-01 2013-07-30 Microsoft Corporation Pixel snapping for anti-aliased rendering
US8144166B2 (en) * 2006-08-01 2012-03-27 Microsoft Corporation Dynamic pixel snapping
US8508552B2 (en) * 2006-09-08 2013-08-13 Microsoft Corporation Pixel snapping with relative guidelines
US20090289943A1 (en) * 2008-05-22 2009-11-26 Howard Teece Anti-aliasing system and method
JP2010224145A (ja) * 2009-03-23 2010-10-07 Seiko Epson Corp 情報処理装置、制御装置及びプログラム
US20150348278A1 (en) * 2014-05-30 2015-12-03 Apple Inc. Dynamic font engine
US10380721B2 (en) * 2017-04-27 2019-08-13 Adobe Inc. Adjusting blurry vector-based lines during movement

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4437122A (en) * 1981-09-12 1984-03-13 Xerox Corporation Low resolution raster images
US4945351A (en) * 1988-05-23 1990-07-31 Hewlett-Packard Company Technique for optimizing grayscale character displays
JPH03154096A (ja) * 1989-11-13 1991-07-02 Canon Inc パターン発生方法及びパターン発生装置
US5459828A (en) * 1990-08-01 1995-10-17 Xerox Corporation Optimized scaling and production of raster fonts from contour master fonts
US5301267A (en) * 1991-09-27 1994-04-05 Adobe Systems Incorporated Intelligent font rendering co-processor
US5249242A (en) * 1991-12-23 1993-09-28 Adobe Systems Incorporated Method for enhancing raster pixel data
US5270836A (en) * 1992-11-25 1993-12-14 Xerox Corporation Resolution conversion of bitmap images

Also Published As

Publication number Publication date
EP0702818B1 (de) 1998-09-02
JPH08511638A (ja) 1996-12-03
AU7051594A (en) 1995-01-03
JP3375638B2 (ja) 2003-02-10
EP0702818A1 (de) 1996-03-27
US6101514A (en) 2000-08-08
DE69413035T2 (de) 1999-05-06
WO1994029843A1 (en) 1994-12-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: APPLE INC., CUPERTINO, CALIF., US