Drawing polygons and keeping a list of them...
Drawing polygons and keeping a list of them...
- Subject: Drawing polygons and keeping a list of them...
- From: "Brian O'Brien" <email@hidden>
- Date: Mon, 25 Apr 2005 12:06:20 -0600
I am writing an application that will need to draw polygons on top of
images.
There may be multiple polygons on an image.
What container do you recommend I use to:
a) hold the points of each polygon.
b) hold the list of polygons.
Another question I have is more of a GUI nature than a programatic
one...
Every time a user clicks on the image a new point is added to the
current polygon.
How then should I 'close' the polygon? Should the user press the
escape key or
right mouse button? I need to know somehow that the user is finished
drawing this
polygon and is going on to draw the next polygon.
Thanks!
B.
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