Invention Grant
- Patent Title: Method, system and apparatus for determining area of a pixel covered by a scalable definition for a character
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Application No.: US14089073Application Date: 2013-11-25
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Publication No.: US09779526B2Publication Date: 2017-10-03
- Inventor: Albert Chang , Michael Gerard McCosker
- Applicant: CANON KABUSHIKI KAISHA
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Canon USA, Inc. I.P. Division
- Priority: AU2012258407 20121127
- Main IPC: G06T11/60
- IPC: G06T11/60

Abstract:
A method of determining a coverage area of a pixel covered by a scalable path definition for a character, is disclosed. An edge direction for each edge of the scalable path definition intersecting the pixel is received. A fragment area is determined for each of the intersecting edges, each of the fragment areas representing an area of the pixel located to a side of a corresponding edge. The side of the corresponding edge is selected according to a direction of the corresponding edge. The coverage area of the pixel is determined based on a sum of the fragment areas, the sum of the fragment areas having a value greater than a total area of the pixel.
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