GlyphGeometry
open class GlyphGeometry : GlyphGeometryProtocol
The PangoGlyphGeometry
structure contains width and positioning
information for a single glyph.
Note that width
is not guaranteed to be the same as the glyph
extents. Kerning and other positioning applied during shaping will
affect both the width
and the x_offset
for the glyphs in the
glyph string that results from shaping.
The information in this struct is intended for rendering the glyphs, as follows:
- Assume the current point is (x, y)
- Render the current glyph at (x + x_offset, y + y_offset),
- Advance the current point to (x + width, y)
- Render the next glyph
The GlyphGeometry
type acts as an owner of an underlying PangoGlyphGeometry
instance.
It provides the methods that can operate on this data type through GlyphGeometryProtocol
conformance.
Use GlyphGeometry
as a strong reference or owner of a PangoGlyphGeometry
instance.
-
Untyped pointer to the underlying `PangoGlyphGeometry` instance.
For type-safe access, use the generated, typed pointer
_ptr
property instead.Declaration
Swift
public let ptr: UnsafeMutableRawPointer!
-
Designated initialiser from the underlying
C
data type. This creates an instance without performing an unbalanced retain i.e., ownership is transferred to theGlyphGeometry
instance.Declaration
Swift
@inlinable public init(_ op: UnsafeMutablePointer<PangoGlyphGeometry>)
Parameters
op
pointer to the underlying object
-
Designated initialiser from a constant pointer to the underlying
C
data type. This creates an instance without performing an unbalanced retain i.e., ownership is transferred to theGlyphGeometry
instance.Declaration
Swift
@inlinable public init(_ op: UnsafePointer<PangoGlyphGeometry>)
Parameters
op
pointer to the underlying object
-
Optional initialiser from a non-mutating
gpointer
to the underlyingC
data type. This creates an instance without performing an unbalanced retain i.e., ownership is transferred to theGlyphGeometry
instance.Declaration
Swift
@inlinable public init!(gpointer op: gpointer?)
Parameters
op
gpointer to the underlying object
-
Optional initialiser from a non-mutating
gconstpointer
to the underlyingC
data type. This creates an instance without performing an unbalanced retain i.e., ownership is transferred to theGlyphGeometry
instance.Declaration
Swift
@inlinable public init!(gconstpointer op: gconstpointer?)
Parameters
op
pointer to the underlying object
-
Optional initialiser from a constant pointer to the underlying
C
data type. This creates an instance without performing an unbalanced retain i.e., ownership is transferred to theGlyphGeometry
instance.Declaration
Swift
@inlinable public init!(_ op: UnsafePointer<PangoGlyphGeometry>?)
Parameters
op
pointer to the underlying object
-
Optional initialiser from the underlying
C
data type. This creates an instance without performing an unbalanced retain i.e., ownership is transferred to theGlyphGeometry
instance.Declaration
Swift
@inlinable public init!(_ op: UnsafeMutablePointer<PangoGlyphGeometry>?)
Parameters
op
pointer to the underlying object
-
Designated initialiser from the underlying
C
data type.PangoGlyphGeometry
does not allow reference counting, so despite the name no actual retaining will occur. i.e., ownership is transferred to theGlyphGeometry
instance.Declaration
Swift
@inlinable public init(retaining op: UnsafeMutablePointer<PangoGlyphGeometry>)
Parameters
op
pointer to the underlying object
-
Reference intialiser for a related type that implements
GlyphGeometryProtocol
PangoGlyphGeometry
does not allow reference counting.Declaration
Swift
@inlinable public init<T>(_ other: T) where T : GlyphGeometryProtocol
Parameters
other
an instance of a related type that implements
GlyphGeometryProtocol
-
Unsafe typed initialiser. Do not use unless you know the underlying data type the pointer points to conforms to
GlyphGeometryProtocol
.Declaration
Swift
@inlinable public init<T>(cPointer p: UnsafeMutablePointer<T>)
Parameters
cPointer
pointer to the underlying object
-
Unsafe typed, retaining initialiser. Do not use unless you know the underlying data type the pointer points to conforms to
GlyphGeometryProtocol
.Declaration
Swift
@inlinable public init<T>(retainingCPointer cPointer: UnsafeMutablePointer<T>)
Parameters
cPointer
pointer to the underlying object
-
Unsafe untyped initialiser. Do not use unless you know the underlying data type the pointer points to conforms to
GlyphGeometryProtocol
.Declaration
Swift
@inlinable public init(raw p: UnsafeRawPointer)
Parameters
p
raw pointer to the underlying object
-
Unsafe untyped, retaining initialiser. Do not use unless you know the underlying data type the pointer points to conforms to
GlyphGeometryProtocol
.Declaration
Swift
@inlinable public init(retainingRaw raw: UnsafeRawPointer)
-
Unsafe untyped initialiser. Do not use unless you know the underlying data type the pointer points to conforms to
GlyphGeometryProtocol
.Declaration
Swift
@inlinable public required init(raw p: UnsafeMutableRawPointer)
Parameters
p
mutable raw pointer to the underlying object
-
Unsafe untyped, retaining initialiser. Do not use unless you know the underlying data type the pointer points to conforms to
GlyphGeometryProtocol
.Declaration
Swift
@inlinable public init(retainingRaw raw: UnsafeMutableRawPointer)
Parameters
raw
mutable raw pointer to the underlying object
-
Unsafe untyped initialiser. Do not use unless you know the underlying data type the pointer points to conforms to
GlyphGeometryProtocol
.Declaration
Swift
@inlinable public init(opaquePointer p: OpaquePointer)
Parameters
p
opaque pointer to the underlying object
-
Unsafe untyped, retaining initialiser. Do not use unless you know the underlying data type the pointer points to conforms to
GlyphGeometryProtocol
.Declaration
Swift
@inlinable public init(retainingOpaquePointer p: OpaquePointer)
Parameters
p
opaque pointer to the underlying object