[piccolo2d-dev] Re: Issue 213 in piccolo2d: artifacts in JComponent border using PSwing

[piccolo2d]

Updates:
Labels: Milestone-1.4

Comment #8 on issue 213 by heue...@gmail.com: artifacts in JComponent  
border using PSwing

http://code.google.com/p/piccolo2d/issues/detail?id=213

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[piccolo2d-dev] Re: Issue 213 in piccolo2d: artifacts in JComponent border using PSwing

[piccolo2d]

Updates:
Labels: Type-Defect

Comment #5 on issue 213 by heue...@gmail.com: artifacts in JComponent  
border using PSwing

http://code.google.com/p/piccolo2d/issues/detail?id=213

(No comment was entered for this change.)

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[piccolo2d-dev] Re: Issue 213 in piccolo2d: artifacts in JComponent border using PSwing

[piccolo2d]

Comment #1 on issue 213 by atdi...@gmail.com: artifacts in JComponent  
border using PSwing

http://code.google.com/p/piccolo2d/issues/detail?id=213

Interesting, MatteBorder doesn't do this. In you code, replace LineBorder  
with:


setBorder(BorderFactory.createMatteBorder(10,10,10,10,Color.blue));

LineBorder's implementation (the jdk source code that comes w/ MacOS) of  
paintBorder() looks like this:


for(i = 0; i  thickness; i++)  {
g.drawRect(x + i, y + i, width - i - i - 1, height - i - i - 1);
}

It just draws a consecutive of rectangles. I think when the Graphics object  
is scaled this approach is leaving whitespace between the consecutive lines.


MatteBorder's implementation uses fillRects instead of consecutive of  
single-pixel-width rectangles.


Not sure what Piccolo2D can do about this. I suppose we could detect the  
use of LineBorder and recover from their implementation (ie., reimplement  
the painting of LineBorders ourself to do something like what Matte does.)


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