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 Margins for Labels Added to a Graph		  New Topic  Reply to Topic
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cdrozdowski111

USA
247 Posts
Posted - 04/08/2014 :  09:40:15 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
OriginPro 9.1 SR2 64-bit/32-bit, Win7 Pro 64-bit, running in VMware Fusion 5.0.4

When I use LabTalk to add a text label to a graph and set the background to black line (see code below), how can I control the size of the margin between the text and black border? It is much too big for my purposes.

If I can't do it in LabTalk, can it be done in Origin C? I don't have time to dig into the source right now.

GObject goMyText = "MY_TEXT";
label -n goMyText temp;

goMyText.text$ = sMyText$; // sMyText$ defined elsewhere
goMyText.attach = 1; // Page
goMyText.left = 0; // Need to change
goMyText.top = 0;// Need to change
goMyText.background = 1; // Black line
goMyText.fSize = 8; // Font size
goMyText.draw(); // Refresh object

Castiel

343 Posts
Posted - 04/08/2014 :  11:16:03 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply 
int setLabelMargin(string s, double left = 3., double top = 3., double right = 3., double bottom = 3.)
{
	GraphLayer gl = Project.ActiveLayer();
	if( !gl )
		return -1;
	
	GraphObject go = gl.GraphObjects(s);
	if( !go )
		return -2;
	
	Tree t;
	t = go.GetFormat(FPB_DIMENSION, FOB_ALL, TRUE, TRUE);
	t.Root.Background.Dimension.Left.dVal = left;
	t.Root.Background.Dimension.right.dVal = right;
	t.Root.Background.Dimension.top.dVal = top;
	t.Root.Background.Dimension.bottom.dVal = bottom;
	
	go.UpdateThemeIDs(t.Root);
	go.ApplyFormat(t, TRUE, TRUE);
	
	gl.GetPage().Refresh();
	
	return 0;
}


As for the label you created, goMyText, is named "\"MY_TEXT\"", that is:
int nRet;
nRet = setLabelMargin(""MY_TEXT"", 5.0, 5.0, 5.0, 5.0);


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cdrozdowski111

USA
247 Posts
Posted - 04/08/2014 :  11:44:57 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Rock on! Thanks.

I'll correct the quotes around GObject goMyText = "MY_TEXT"; I'm used to programming in languages that require quotes around all string literal assignments.
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