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From "Greg Brown (JIRA)" <j...@apache.org>
Subject [jira] Commented: (PIVOT-393) Certain UI components do not properly respect system text anti-aliasing hints
Date Thu, 15 Apr 2010 16:38:50 GMT

    [ https://issues.apache.org/jira/browse/PIVOT-393?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12857394#action_12857394
] 

Greg Brown commented on PIVOT-393:
----------------------------------

No, it just means that, if your renderer defines a baseline, the actual checkbox square or
radio button circle won't be baseline-aligned to the renderer within the button. The button
will still be baseline-aligned in a container that supports baseline layout.

I think we can revisit it later. I just wanted to make sure that it works correctly for the
common case for now.


> Certain UI components do not properly respect system text anti-aliasing hints
> -----------------------------------------------------------------------------
>
>                 Key: PIVOT-393
>                 URL: https://issues.apache.org/jira/browse/PIVOT-393
>             Project: Pivot
>          Issue Type: Bug
>    Affects Versions: 1.4
>            Reporter: Greg Brown
>            Assignee: Greg Brown
>             Fix For: 1.5
>
>         Attachments: pivot-393.patch, pivot-393_test_winXp.zip, pivot_aa-tests_winXP_2010-04-15.zip,
pivot_aa_test_windows7@64.zip, rhel5-1.6.0_16.png, sink-new.png, sink-old.png, text-test-winxp-java1.6.0.16-cleartype.jpg,
winxp_cleartype.zip
>
>
> Some components render text using the drawString() method of Graphics2D and properly
set the text rendering hints using the getTextAntialiasingHint() method in the Platform class.
However, other components use a glyph vector that does not currently respect the text rendering
hints. These components should be updated to use a FontRenderContext containing the correct
text rendering hints:
> http://java.sun.com/javase/6/docs/api/java/awt/font/FontRenderContext.html#FontRenderContext(java.awt.geom.AffineTransform,%20java.lang.Object,%20java.lang.Object)
> Also, there is a minor issue with the use of getTextAntialiasingHint(): the AWT "awt.font.desktophints"
property may contain multiple hints (e.g. on my desktop it also defines KEY_TEXT_LCD_CONTRAST)
and Pivot is only looking at KEY_TEXT_ANTIALIASING. Additional methods should be added to
support the other values.

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