ImageEn Forum - increase or decrease a selection

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ImageEn Library for Delphi, C++ and .Net

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increase or decrease a selection

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klausdoege

Germany
389 Posts

Posted - Oct 11 2012 : 10:36:39

Hello,
how can I increase or decrease a selection about 1 or 2 pixels ?

Klaus
www.klausdoege.de

w2m

USA
1990 Posts

Posted - Oct 11 2012 : 13:16:55

I did not test this but you could try:

procedure Select(x1, y1, x2, y2: integer; Op:TIESelOp = iespReplace); virtual;

ImageEnView1.Select(ImageEnView1.SelX1 + 1, ImageEnView1.SelY1 + 1, ImageEnView1.SelX2 + 1, ImageEnView1.SelY2 + 1, iespReplace);

ImageEnView1.Select(ImageEnView1.SelX1 - 1, ImageEnView1.SelY1 - 1, ImageEnView1.SelX2 - 1, ImageEnView1.SelY2 - 1, iespReplace);

William Miller

klausdoege

Germany
389 Posts

Posted - Oct 12 2012 : 08:01:44

Hello William,
yes with the rectangle is simple it.
But I want to change it by selection with an ellipse, lasso or P2P.

Klaus
www.klausdoege.de

w2m

USA
1990 Posts

Posted - Oct 12 2012 : 10:14:33

I am sorry but currently ImageEn does not support selection expansion or shrinking that I am aware of. You can do it yourself in code for rectangles, rounded rectangles and ellipses but it will require some coding to determine the selection type then to expand or shrink the selection baised on the type of the selection. Doing this for other types of selections may not be possible, at least easily.

William Miller
Adirondack Software & Graphics
Email: w2m@frontiernet.net
EBook: http://www.imageen.com/ebook/
Apprehend: http://www.frontiernet.net/~w2m/index.html

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