N-Quad
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Gnome::Graphene::N-Quad
Description
A 4 vertex quadrilateral, as represented by four Gnome::Graphene::N-Point.
The contents of a Gnome::Graphene::N-Quad are private and should never be accessed directly.
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Class initialization
new
:native-object
Create an object using a native object from elsewhere. See also Gnome::N::TopLevelSupportClass.
multi method new ( N-Object :$native-object! )
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alloc
Allocates a new Gnome::Graphene::N-Quad instance.
The contents of the returned instance are undefined.
method alloc ( --> Gnome::Graphene::Quad \)
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Methods
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bounds
Computes the bounding rectangle of $q and places it into $r.
method bounds ( CArray[N-Rect] $r )
$r; return location for a Gnome::Graphene::N-Rect.
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contains This function is not yet available
Checks if the given Gnome::Graphene::N-Quad contains the given Gnome::Graphene::N-Point.
method contains ( CArray[N-Point] $p )
$p; a Gnome::Graphene::N-Point.
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free
Frees the resources allocated by .alloc()
method free ( )
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get-point This function is not yet available
Retrieves the point of a Gnome::Graphene::N-Quad at the given index.
method get-point ( ā¦ --> CArray[N-Point] )
index; the index of the point to retrieve. Note that each argument must be specified as a type followed by its value!
Return value; a Gnome::Graphene::N-Point.
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init
Initializes a Gnome::Graphene::N-Quad with the given points.
method init ( CArray[N-Point] $p1, CArray[N-Point] $p2, CArray[N-Point] $p3, CArray[N-Point] $p4 --> CArray[N-Quad] )
$p1; the first point of the quadrilateral.
$p2; the second point of the quadrilateral.
$p3; the third point of the quadrilateral.
$p4; the fourth point of the quadrilateral.
Return value; the initialized Gnome::Graphene::N-Quad.
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init-from-points
Initializes a Gnome::Graphene::N-Quad using an array of points.
method init-from-points ( CArray[N-Point] $points --> CArray[N-Quad] )
$points; an array of 4 Gnome::Graphene::N-Point.
Return value; the initialized Gnome::Graphene::N-Quad.
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init-from-rect
Initializes a Gnome::Graphene::N-Quad using the four corners of the given Gnome::Graphene::N-Rect.
method init-from-rect ( CArray[N-Rect] $r --> CArray[N-Quad] )
$r; a Gnome::Graphene::N-Rect.
Return value; the initialized Gnome::Graphene::N-Quad.