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WO1998036630A3 - Parametric font models based on features and constraints - Google Patents

Parametric font models based on features and constraints Download PDF

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Publication number
WO1998036630A3
WO1998036630A3 PCT/IL1998/000066 IL9800066W WO9836630A3 WO 1998036630 A3 WO1998036630 A3 WO 1998036630A3 IL 9800066 W IL9800066 W IL 9800066W WO 9836630 A3 WO9836630 A3 WO 9836630A3
Authority
WO
WIPO (PCT)
Prior art keywords
constraints
font
features
model
letters
Prior art date
Application number
PCT/IL1998/000066
Other languages
French (fr)
Other versions
WO1998036630A2 (en
Inventor
Ari Rappoport
Ariel Shamir
Original Assignee
Yissum Res Dev Co
Ari Rappoport
Ariel Shamir
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 Yissum Res Dev Co, Ari Rappoport, Ariel Shamir filed Critical Yissum Res Dev Co
Priority to AU58773/98A priority Critical patent/AU5877398A/en
Publication of WO1998036630A2 publication Critical patent/WO1998036630A2/en
Publication of WO1998036630A3 publication Critical patent/WO1998036630A3/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F40/00—Handling natural language data
    • G06F40/10—Text processing
    • G06F40/103—Formatting, i.e. changing of presentation of documents
    • G06F40/109—Font handling; Temporal or kinetic typography

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Document Processing Apparatus (AREA)

Abstract

A new font model (100) based on parameters (24), features (102), and constraints (22) is provided. The model supports complex non-linear dynamic behaviors of letter shapes and allows font users to dynamically alter the behavior of letters through the manipulation of external parameters. The letters retain their typographical characteristics during the dynamic behavior. The internal constraints mechanism supports constraint states for continuously handling topological changes. The constraints (22) and features (102) are present in the font model (100) itself. The font model (100) is implemented using parametric features (102) and constraints (22). The constraints evaluation algorithm operates in linear time in the size of a glyph and guarantees finding a single solution. Constraints (22) are represented using a special novel type of constraints graph, a mixed ratio graph, which can deal with most constraints cycles of the kind arising in the font domain. In addition, a novel constraint state machine enables modification of the shape's underlying topology during dynamic behavior.
PCT/IL1998/000066 1997-02-10 1998-02-10 Parametric font models based on features and constraints WO1998036630A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU58773/98A AU5877398A (en) 1997-02-10 1998-02-10 Parametric font models based on features and constraints

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US3757997P 1997-02-10 1997-02-10
US60/037,579 1997-02-10

Publications (2)

Publication Number Publication Date
WO1998036630A2 WO1998036630A2 (en) 1998-08-27
WO1998036630A3 true WO1998036630A3 (en) 1998-11-19

Family

ID=21895102

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IL1998/000066 WO1998036630A2 (en) 1997-02-10 1998-02-10 Parametric font models based on features and constraints

Country Status (2)

Country Link
AU (1) AU5877398A (en)
WO (1) WO1998036630A2 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6919890B2 (en) * 2000-09-28 2005-07-19 Curl Corporation Grid and table layout using elastics
DE10352341A1 (en) 2003-11-06 2005-11-03 Mediacare Gmbh & Co. Kg Method for changing the dimensions of an electronically stored image
US7292247B2 (en) 2004-01-26 2007-11-06 Microsoft Corporation Dynamically determining directions of freedom for control points used to represent graphical objects
US7236174B2 (en) 2004-01-26 2007-06-26 Microsoft Corporation Adaptively filtering outlines of typographic characters to simplify representative control data
US7136067B2 (en) * 2004-01-26 2006-11-14 Microsoft Corporation Using externally parameterizeable constraints in a font-hinting language to synthesize font variants
US7187382B2 (en) * 2004-01-26 2007-03-06 Microsoft Corporation Iteratively solving constraints in a font-hinting language
US7265757B2 (en) * 2004-05-28 2007-09-04 Microsoft Corporation Appropriately rendering a graphical object when a corresponding outline lacks control points
US8253742B2 (en) 2004-05-28 2012-08-28 Microsoft Corporation Rendering stroke pairs for graphical objects
KR101641282B1 (en) * 2015-03-02 2016-07-29 (주)한양정보통신 System and method for generating multiple master glyph
KR102329116B1 (en) 2019-12-09 2021-11-19 숭실대학교 산학협력단 Font generating device and method for changing partial character style

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5583978A (en) * 1994-05-27 1996-12-10 Bitstream Inc. Apparatuses and methods for creating and using portable fonted texts with embedded automatically-created font descriptions

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5583978A (en) * 1994-05-27 1996-12-10 Bitstream Inc. Apparatuses and methods for creating and using portable fonted texts with embedded automatically-created font descriptions

Also Published As

Publication number Publication date
WO1998036630A2 (en) 1998-08-27
AU5877398A (en) 1998-09-09

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