Computer graphics processing and selective visual display system – Computer graphics processing – Graph generating
Patent
1996-08-20
1998-04-28
Breene, John E.
Computer graphics processing and selective visual display system
Computer graphics processing
Graph generating
345438, 345431, 345348, G06F 300
Patent
active
057451222
ABSTRACT:
A user interface (UI) may be used in specifying spatial relationships between graphical elements in a graphics environment with drawing or graphical element manipulating functions. The UI interacts with the operating system through an application shell. A document engine, a graphics engine, and a constraint engine are coupled between the UI and operating system. A user may create a distribution frame with an area on a page of a documents and a set of elements may be specified to be automatically linked by the distribution frame. Graphical elements positioned within the distribution frame are governed by alignment and distribution criteria. The user may select alignment and distribution criteria to determine the spatial relationships between the elements in the set and the distribution frame. One or more dimensions of the graphical elements in the distribution frame are a function of the area encompassed by the distribution frame where a user's edits to one may affect the other. Spatial relationships between graphical elements are established using unidirectional and bidirectional links between pairs of graphical elements. With a unidirectional link, a master/slave relationship is established where attempts to edit the slave graphical element in a way that affects the constraint are inhibited.
REFERENCES:
patent: 5123087 (1992-06-01), Newell et al.
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patent: 5371845 (1994-12-01), Newell et al.
patent: 5437008 (1995-07-01), Gay et al.
patent: 5577189 (1996-11-01), Gay et al.
Gay Jonathan L.
Tatsumi Robert B.
Adobe Systems Incorporated
Breene John E.
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