NPAPI:AsyncDrawing: Difference between revisions

NPAPI:AsyncDrawing (view source)

296 bytes added , 21 April 2011

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 This model should be available on all platforms.
-On succesful return the <code>data</code> pointer of the <code>NPAsyncSurface</code> will point to the data in memory for the surface. The <code>stride</code> member will reflect the stride of the returned image surface.
+Plugins should create a bitmap surface by calling <code>NPN_InitAsyncSurface</code> with a <code>NULL</code> value for the <code>data</code> member of <code>NPAsyncSurface</code>. On successful return the <code>data</code> member will point to the bitmap memory. The <code>stride</code> member, set by the browser, will reflect the stride of the returned image surface. If an <code>NPImageFormat</code> is not supported then surface creation will fail.
-If an <code>NPImageFormat</code> is not supported then surface creation will fail.
+Plugins should destroy bitmap surfaces by calling <code>NPN_FinalizeAsyncSurface</code>. This will allow the browser to release the bitmap memory.
 = NPDrawingModelAsyncWindowsSharedSurface =