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Normal Topic Custom Drawing of node without node size zoom (Read 1808 times)
jf2020
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Custom Drawing of node without node size zoom
Mar 1st, 2013 at 7:08am
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Hi,

I need to draw a node using an image (a 16x16 pixel icon) that should have the same size irrespective of the zoom level.  So I think that I have to modify the transform matrix that I get in the DrawNodeEventArgs to not scale the image when I call DrawImage. I have tried that but not been fully succesful (I have just reset the transform). What is the best way to do that?

JF
  
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Stoyo
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Re: Custom Drawing of node without node size zoom
Reply #1 - Mar 1st, 2013 at 8:48am
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Hi,

Try this:

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private void diagram_DrawNode(object sender, DrawNodeEventArgs e)
{
	var imgRectPix = Utilities.DocToDevice(e.Graphics, e.Bounds);
	imgRectPix.Width = imgRectPix.Height = 16;
	var imgRectDiag = Utilities.DeviceToDoc(e.Graphics, imgRectPix);
	e.Graphics.DrawImage(image, imgRectDiag);
}


I hope that helps,
Stoyan
  
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jf2020
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Re: Custom Drawing of node without node size zoom
Reply #2 - Mar 1st, 2013 at 8:56am
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Thanks Stoyan!
  
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