Draw big squares on inkcanvas

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Hello,
I would like to paint big squares on an inkcanvas. I define the brush size to 20 and the form as a rectangle. But I do not want the squares overlap. They must always be one above the other or one beside the other.
How to do that ?
Thans in advance.

Posted 26-Jan-14 23:48pm

daphne35

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lukeer · Answer 1 · 2014-01-27T03:33:00

Solution 1

1) Store all your existing squares' co-ordinates in a List<RectangleF>
2) Create a new possible square.
3) Iterate over all existing squares looking for overlaps (RectangleF.Intersects() may help)]
4) One overlap is enough to render this potential square unusable, try the next one.

Posted 27-Jan-14 3:33am

lukeer

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daphne35 30-Jan-14 4:29am

Thank you for your reply. I want this verification takes place at the same time the plot. You think it will work?
Moreover squares are part of the Strokes, I can get the coordinates of each square of the Stroke?
Thanks

lukeer 30-Jan-14 7:53am

I'm just realizing that you've tagged this a WPF question. Unfortunately, I'm of no help with everything WPF specific. Adding to that, I'm having some difficulty understanding what exactly you're asking. However, if you're trying to build a straight line from squares, Bresenham's line algorithm[^] could be for you. Plus, there's also a version for circles.