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Normal Topic How to set the background color (Read 2934 times)
cpmjones
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How to set the background color
Aug 4th, 2008 at 9:47am
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I am currently evaluating jDiagram 2 and am unable to change the background color of my diagrams.

I have tried the following:

fc.setBackBrush(new SolidBrush(Color.WHITE));

and

view.setBackground(Color.WHITE);

I still end up with an orange background.

Any help is greatly appreciated.

Thanks,

Chris
  
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Slavcho
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Re: How to set the background color
Reply #1 - Aug 4th, 2008 at 10:58am
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This worked for me:

diagram = new Diagram();
diagramView = new DiagramView(diagram);
...
diagram.setBackBrush(new SolidBrush(Color.red));

The background brush is stored in both the binary-format and xml files. If you call the loadFrom or loadFromXml method after setting the background brush, you will get the brush that was saved in the file.

HTH
  
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cpmjones
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Re: How to set the background color
Reply #2 - Aug 4th, 2008 at 1:28pm
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Hi glavcho,

I think the problem I am having is down to how I use diagram.createImage() as I can see the background white in a JFrame, but not when the BufferedImage is saved as a jpeg. I guess this is not a JDiagram question.

Thanks for you help!

Chris
  
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Re: How to set the background color
Reply #3 - Aug 4th, 2008 at 2:06pm
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Hello Chris,

Seems something is wrong with the jpeg encoder. I can see the orange color too when exporting to jpeg with this code, and the nodes colors are distorted too,

ImageIO.write(image, "jpeg", new File("C:\\test.jpeg"));

while it looks perfectly good when save in png format,

ImageIO.write(image, "png", new File("C:\\test.png"));

g.
  
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cpmjones
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Re: How to set the background color
Reply #4 - Aug 4th, 2008 at 2:17pm
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Hi g,

I'll stick with the png output for now.

Thanks,

Chris
  
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