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[bizzybody]

http://support.micro....com/kb/2117917

Platform Update Supplement for Windows Vista and for Windows Server 2008

he Platform Update Supplement for Windows Vista and for Windows Server 2008 is available. This update provides fixes and improvements to graphics, media foundation and print functionality in Windows Vista Service Pack 2 (SP2) and in Windows Server 2008 Service Pack 2 (SP2).

This update improves the following issues in Windows Vista SP2 and in Windows Server 2008 SP2.
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Graphics
This update improves text rendering performance of Direct2D and conformance of Direct2D when you use Direct2D in the following modes:

* Software rendering mode.
* Hardware rendering mode with a Windows Advanced Rasterization Platform (WARP) type device driver.


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Media foundation
This update enables the playback of MP4 files, H.264 files, and AAC files by using the Source Reader component. Because of this improvement, a Windows compatible browser can handle contents that include the video tag of HTML 5 correctly.
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Print functionality
This update fixes an issue in the XPS-to-GDI conversion (XGC) module when you apply the brush transform attribute of the visual brush. Before you install this update, the coordinates are drawn incorrectly if the following conditions are true:

* The viewport rectangle of the visual brush is the clip region for a graphic element.
* You apply the brush transform attribute.

In this situation, the wrong coordinates cause the output to be empty.

After you install this update, the clip region and the path of the visual brush match correctly. Therefore, the output is generated as expected.

Note To apply this update, you must have update 971512 installed on the computer. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
971512 (http://support.micro....com/kb/971512/ ) Description of the Windows Graphics, Imaging, and XPS Library