cairoGetGroupTarget {RGtk2} | R Documentation |
Gets the target surface for the current group as started by the
most recent call to cairoPushGroup
or
cairoPushGroupWithContent
.
cairoGetGroupTarget(cr)
|
[Cairo ] a cairo context |
This function will return NULL if called "outside" of any group
rendering blocks, (that is, after the last balancing call to
cairoPopGroup
or cairoPopGroupToSource
).
Since 1.2
[CairoSurface
] the target group surface, or NULL if none. To keep a reference to it, you must call
cairoSurfaceReference
.
Derived by RGtkGen from GTK+ documentation