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	<title>Direct2D - 版本历史</title>
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		<summary type="html">&lt;p&gt;Bot: http → https&lt;/p&gt;
&lt;p&gt;&lt;b&gt;新页面&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{NoteTA&lt;br /&gt;
|G1=IT&lt;br /&gt;
|G2=Windows&lt;br /&gt;
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&amp;#039;&amp;#039;&amp;#039;Direct2D&amp;#039;&amp;#039;&amp;#039;是[[微軟公司]]用來取代[[DirectDraw]]以及[[图形设备接口|GDI]]、[[GDI+]]等的一项新技術&amp;lt;ref&amp;gt;{{Cite web |url=http://msdn.microsoft.com/en-us/library/dd370990(VS.85).aspx |title=存档副本 |accessdate=2011-07-06 |archive-date=2011-07-07 |archive-url=https://web.archive.org/web/20110707215648/http://msdn.microsoft.com/en-us/library/dd370990(VS.85).aspx |dead-url=no }}&amp;lt;/ref&amp;gt;，主要提供2D動畫的[[硬體加速]]，支援[[Windows Vista]] SP2和Windows 7及以上的微软[[Windows]]操作系统&amp;lt;ref&amp;gt;{{Cite web |url=http://blogs.technet.com/thomasolsen/archive/2009/03/24/updated-direct2d-in-march-directx-sdk.aspx |title=存档副本 |access-date=2011-07-06 |archive-url=https://web.archive.org/web/20090328133226/http://blogs.technet.com/thomasolsen/archive/2009/03/24/updated-direct2d-in-march-directx-sdk.aspx |archive-date=2009-03-28 |dead-url=yes }}&amp;lt;/ref&amp;gt;。&lt;br /&gt;
&lt;br /&gt;
Direct2D技術架構於[[Direct3D]] 10.1 API之上，能够透過硬件加速功能來建立2D图形，而且完全支持透明和[[Alpha合成#Alpha混合|Alpha混合]]。Direct2D亦支援软件实现（Software rasterizer），即在显卡不支持硬件加速的情況下，Direct2D仍可以使用软件方式描繪，且效果仍優於GDI。&lt;br /&gt;
&lt;br /&gt;
Direct2D可以使用[[DXGI]]（DirectX Graphics Infrastructure）與交互操作，Direct2D还能很好的支持[[DirectWrite]]。&lt;br /&gt;
&lt;br /&gt;
Direct2D的支持高品質的渲染，具有以下特點：&lt;br /&gt;
&lt;br /&gt;
* 支援[[ClearType]]文字的呈現方式（DirectWrite提供）&lt;br /&gt;
* 消除原圖鋸齒狀（Per primitive antialiasing）&lt;br /&gt;
* 幾何形狀（直線，曲線）和位圖繪製和填寫。&lt;br /&gt;
* 純色（Solid color）、線性。&lt;br /&gt;
* 描繪中間層。&lt;br /&gt;
* 多元的幾何操作（如unions、intersections、widening、outlining等） &lt;br /&gt;
&lt;br /&gt;
Direct2D的使用設備的獨立坐標系統，它可以依照顯示螢幕的大小來自動調整GUI的DPI縮放。現在Direct2D已被用於[[Internet Explorer 9]]及[[Mozilla Firefox 4]]&amp;lt;ref&amp;gt;[http://blogs.zdnet.com/microsoft/?p=4650&amp;amp;tag=content;col1 Microsoft isn&amp;#039;t the only one developing a hardware-accelerated browser] {{Wayback|url=http://blogs.zdnet.com/microsoft/?p=4650&amp;amp;tag=content;col1 |date=20190924235052 }}, November 24, 2009.&amp;lt;/ref&amp;gt;。&lt;br /&gt;
&lt;br /&gt;
==參見==&lt;br /&gt;
* [[DirectX]]&lt;br /&gt;
* [[DirectWrite]]&lt;br /&gt;
* [[Direct3D]]&lt;br /&gt;
* [[图形设备接口|GDI]]&lt;br /&gt;
* [[GDI+]]&lt;br /&gt;
&lt;br /&gt;
==参考资料==&lt;br /&gt;
{{reflist|2}}&lt;br /&gt;
&lt;br /&gt;
==外部連結==&lt;br /&gt;
*[https://web.archive.org/web/20090216192618/http://blogs.technet.com/thomasolsen/default.aspx Blog of Direct2D Lead Developer Thomas Olsen]&lt;br /&gt;
*[https://blogs.msdn.com/tmulcahy/ Blog of Direct2D Developer Tom Mulcahy]{{Wayback|url=https://blogs.msdn.com/tmulcahy/ |date=20090221112655 }}&lt;br /&gt;
*[https://msdn.microsoft.com/en-us/windows/dd262126.aspx Direct2D White Papers]{{Wayback|url=https://msdn.microsoft.com/en-us/windows/dd262126.aspx |date=20101228202711 }}&lt;br /&gt;
*[http://channel9.msdn.com/pdc2008/PC18/ Windows 7: Introducing Direct2D and DirectWrite]{{Wayback|url=http://channel9.msdn.com/pdc2008/PC18/ |date=20100818160237 }} - PDC 2008 video&lt;br /&gt;
*[http://code.msdn.microsoft.com/WindowsAPICodePack Windows API Code Pack for Microsoft .NET Framework]{{Wayback|url=http://code.msdn.microsoft.com/WindowsAPICodePack |date=20110214011000 }} - allows developing Direct2D apps in managed code&lt;br /&gt;
*[https://msdn.microsoft.com/en-us/magazine/dd861344.aspx Introducing Direct2D]{{Wayback|url=https://msdn.microsoft.com/en-us/magazine/dd861344.aspx |date=20110707042533 }} - June 2009 issue of MSDN Magazine&lt;br /&gt;
*[https://msdn.microsoft.com/en-us/magazine/ee413543.aspx Drawing with Direct2D]{{Wayback|url=https://msdn.microsoft.com/en-us/magazine/ee413543.aspx |date=20110718184749 }} - September 2009 issue of MSDN Magazine&lt;br /&gt;
*[http://direct2dsharp.codeplex.com/ Direct2D API for Microsoft .Net Framework 4]{{Wayback|url=http://direct2dsharp.codeplex.com/ |date=20110708173853 }} - Direct2D API for Microsoft .Net Framework 4&lt;br /&gt;
&lt;br /&gt;
{{Microsoft APIs}}&lt;br /&gt;
[[category:DirectX]]&lt;br /&gt;
[[Category:繪圖函式庫]]&lt;/div&gt;</summary>
		<author><name>imported&gt;SchlurcherBot</name></author>
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