FULL PRODUCT VERSION :
java version "1.6.0_10"
Java(TM) SE Runtime Environment (build 1.6.0_10-b33)
Java HotSpot(TM) Client VM (build 11.0-b15, mixed mode, sharing)

ADDITIONAL OS VERSION INFORMATION :
Microsoft Windows XP [Version 5.1.2600]

A DESCRIPTION OF THE PROBLEM :
I am using an own Synth LookAndFeel and I have a JTabbedPane. As soon as I switch to SCROLL_TAB_LAYOUT I am getting a wrong height in the callback

    public void paintTabbedPaneTabAreaBackground(final SynthContext context, final Graphics g, final int x, final int y,
            final int w, final int h, final int orientation)

The height h seems to be there the complete height of the component, not only of the tabarea. When I don't use SCROLL_TAB_LAYOUT, I am getting the correct height of the tabarea.

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Using a Synth LookAndFeel and a JTabbedPane with SCROLL_TAB_LAYOUT

Please execute main-method of TestDialog. The dialog shows two
JTabbedPanes with different tablayoutpolicies. The console shows the
parameter "height" of the paintTabbedPaneTabAreaBackground callback.

I expect the same height of the tabarea for both tabbedpanes. But they
are different. When resizing the window/jtabbedpane I can see, that one
value is increasing, but the height of the tabarea is still the same of
course.

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
Getting the correct height of the tabarea in

    public void paintTabbedPaneTabAreaBackground(final SynthContext context, final Graphics g, final int x, final int y,
            final int w, final int h, final int orientation)
ACTUAL -
Getting the complete height of the component in

    public void paintTabbedPaneTabAreaBackground(final SynthContext context, final Graphics g, final int x, final int y,
            final int w, final int h, final int orientation)

REPRODUCIBILITY :
This bug can be reproduced always.

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Attached seperatly
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CUSTOMER SUBMITTED WORKAROUND :
Calculating the real tabheight with context.getComponent().getUI().getTabBounds(context.getComponent()).getHeight()