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Author:vwheeler
Date:2014-04-30T19:14:32.000000Z


git-svn-id: https://svn.eiffel.com/eiffel-org/trunk@1360 abb3cda0-5349-4a8f-a601-0c33ac3a8c38
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vwheeler
2014-04-30 19:14:32 +00:00
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documentation/current/solutions/gui-building/eiffelvision-2/eiffelvision-library-reference-manual/figures.wiki
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[[Property:title|Figures]]
[[Property:weight|7]]
[[Property:uuid|c12fee6e-5e99-ae59-8ac5-f57abb4c1878]]
{{ReviewRequested}}
The EiffelVision 2 figure cluster can be considered a high-level way of drawing on an [[ref:libraries/vision2/reference/ev_drawable_chart|EV_DRAWABLE]] descendant. Here are some advantages:
* The model (tree of figures) is separated from the graphical representation by using projectors that take a "world" (i.e. entire set) of figures and project it onto any device, not just a drawing area.
* Instead of drawing with static API's like <code>draw_line</code>, real figure objects are used that remember their locations, rotation and scaling internally, and can later be moved, color changed, rotated and/or scaled without limit, individually, or as an entire relative branch in the tree of figures.