Changeset 769 for trunk/doc/src/platforms/emb-openvg.qdocinc

Timestamp:

Aug 2, 2010, 9:27:30 PM (15 years ago)

Author:

Dmitry A. Kuminov

Message:

trunk: Merged in qt 4.6.3 sources from branches/vendor/nokia/qt.

Location:

trunk

Files:

• . (modified) (1 prop)
• doc/src/platforms/emb-openvg.qdocinc (modified) (2 diffs)

trunk/doc/src/platforms/emb-openvg.qdocinc

@@ -136 +136 @@
 
 The other members of QPainter::CompositionMode are not supported
-because OpenVG 1.1 does not have an equivalent in its \c VGBlendMode
-enumeration.  Any attempt to set an unsupported mode will result in
+unless the \c{VG_KHR_advanced_blending} extension is present,
+in which case the following additional modes are supported:
+
+\list
+\o QPainter::CompositionMode_Overlay
+\o QPainter::CompositionMode_ColorDodge
+\o QPainter::CompositionMode_ColorBurn
+\o QPainter::CompositionMode_HardLight
+\o QPainter::CompositionMode_SoftLight
+\o QPainter::CompositionMode_Difference
+\o QPainter::CompositionMode_Exclusion
+\o QPainter::CompositionMode_SourceOut
+\o QPainter::CompositionMode_DestinationOut
+\o QPainter::CompositionMode_SourceAtop
+\o QPainter::CompositionMode_DestinationAtop
+\o QPainter::CompositionMode_Xor
+\endlist
+
+Any attempt to set an unsupported mode will result in
 the actual mode being set to QPainter::CompositionMode_SourceOver.
 Client applications should avoid using unsupported modes.
@@ -260 +277 @@
 accelerated using OpenVG operations.
 
+    \row
+        \o Scrolling
+        \o Accelerated scrolling is implemented but disabled by default
+unless QVG_BUFFER_SCROLLING is defined. This should only be enabled on
+OpenVG engines where vgCopyPixels() is known to be efficient.
+
 \endtable