Copyright	Will Thompson, Iñaki García Etxebarria and Jonas Platte
License	LGPL-2.1
Maintainer	Iñaki García Etxebarria (garetxe@gmail.com)
Safe Haskell	None
Language	Haskell2010

GI.Pango.Structs.FontMetrics

Contents

Exported types
Methods

Description

A #PangoFontMetrics structure holds the overall metric information for a font (possibly restricted to a script). The fields of this structure are private to implementations of a font backend. See the documentation of the corresponding getters for documentation of their meaning.

Synopsis

Exported types

newtype FontMetrics Source #

Constructors

FontMetrics (ManagedPtr FontMetrics)

Instances

BoxedObject FontMetrics Source #
Methods boxedType :: FontMetrics -> IO GType
(~) AttrOpTag tag AttrSet => Constructible FontMetrics tag Source #
Methods new :: MonadIO m => (ManagedPtr FontMetrics -> FontMetrics) -> [AttrOp FontMetrics tag] -> m FontMetrics
((~) * info (ResolveFontMetricsMethod t FontMetrics), MethodInfo * info FontMetrics p) => IsLabel t (FontMetrics -> p) Source #
Methods fromLabel :: Proxy# Symbol t -> FontMetrics -> p #
((~) * info (ResolveFontMetricsMethod t FontMetrics), MethodInfo * info FontMetrics p) => IsLabelProxy t (FontMetrics -> p) Source #
Methods fromLabelProxy :: Proxy Symbol t -> FontMetrics -> p
HasAttributeList * FontMetrics Source #

((~) * signature (m ()), MonadIO m) => MethodInfo * FontMetricsUnrefMethodInfo FontMetrics signature Source #
Methods overloadedMethod :: MethodProxy FontMetricsUnrefMethodInfo FontMetrics -> signature -> s
((~) * signature (m (Maybe FontMetrics)), MonadIO m) => MethodInfo * FontMetricsRefMethodInfo FontMetrics signature Source #
Methods overloadedMethod :: MethodProxy FontMetricsRefMethodInfo FontMetrics -> signature -> s
((~) * signature (m Int32), MonadIO m) => MethodInfo * FontMetricsGetUnderlineThicknessMethodInfo FontMetrics signature Source #
Methods overloadedMethod :: MethodProxy FontMetricsGetUnderlineThicknessMethodInfo FontMetrics -> signature -> s
((~) * signature (m Int32), MonadIO m) => MethodInfo * FontMetricsGetUnderlinePositionMethodInfo FontMetrics signature Source #
Methods overloadedMethod :: MethodProxy FontMetricsGetUnderlinePositionMethodInfo FontMetrics -> signature -> s
((~) * signature (m Int32), MonadIO m) => MethodInfo * FontMetricsGetStrikethroughThicknessMethodInfo FontMetrics signature Source #
Methods overloadedMethod :: MethodProxy FontMetricsGetStrikethroughThicknessMethodInfo FontMetrics -> signature -> s
((~) * signature (m Int32), MonadIO m) => MethodInfo * FontMetricsGetStrikethroughPositionMethodInfo FontMetrics signature Source #
Methods overloadedMethod :: MethodProxy FontMetricsGetStrikethroughPositionMethodInfo FontMetrics -> signature -> s
((~) * signature (m Int32), MonadIO m) => MethodInfo * FontMetricsGetDescentMethodInfo FontMetrics signature Source #
Methods overloadedMethod :: MethodProxy FontMetricsGetDescentMethodInfo FontMetrics -> signature -> s
((~) * signature (m Int32), MonadIO m) => MethodInfo * FontMetricsGetAscentMethodInfo FontMetrics signature Source #
Methods overloadedMethod :: MethodProxy FontMetricsGetAscentMethodInfo FontMetrics -> signature -> s
((~) * signature (m Int32), MonadIO m) => MethodInfo * FontMetricsGetApproximateDigitWidthMethodInfo FontMetrics signature Source #
Methods overloadedMethod :: MethodProxy FontMetricsGetApproximateDigitWidthMethodInfo FontMetrics -> signature -> s
((~) * signature (m Int32), MonadIO m) => MethodInfo * FontMetricsGetApproximateCharWidthMethodInfo FontMetrics signature Source #
Methods overloadedMethod :: MethodProxy FontMetricsGetApproximateCharWidthMethodInfo FontMetrics -> signature -> s
type AttributeList FontMetrics Source #
type AttributeList FontMetrics

newZeroFontMetrics :: MonadIO m => m FontMetrics Source #

Construct a FontMetrics struct initialized to zero.

noFontMetrics :: Maybe FontMetrics Source #

Methods

getApproximateCharWidth

data FontMetricsGetApproximateCharWidthMethodInfo Source #

Instances

((~) * signature (m Int32), MonadIO m) => MethodInfo * FontMetricsGetApproximateCharWidthMethodInfo FontMetrics signature Source #
Methods overloadedMethod :: MethodProxy FontMetricsGetApproximateCharWidthMethodInfo FontMetrics -> signature -> s

fontMetricsGetApproximateCharWidth :: MonadIO m => FontMetrics -> m Int32 Source #

getApproximateDigitWidth

data FontMetricsGetApproximateDigitWidthMethodInfo Source #

Instances

((~) * signature (m Int32), MonadIO m) => MethodInfo * FontMetricsGetApproximateDigitWidthMethodInfo FontMetrics signature Source #
Methods overloadedMethod :: MethodProxy FontMetricsGetApproximateDigitWidthMethodInfo FontMetrics -> signature -> s

fontMetricsGetApproximateDigitWidth :: MonadIO m => FontMetrics -> m Int32 Source #

getAscent

data FontMetricsGetAscentMethodInfo Source #

Instances

((~) * signature (m Int32), MonadIO m) => MethodInfo * FontMetricsGetAscentMethodInfo FontMetrics signature Source #
Methods overloadedMethod :: MethodProxy FontMetricsGetAscentMethodInfo FontMetrics -> signature -> s

fontMetricsGetAscent :: MonadIO m => FontMetrics -> m Int32 Source #

getDescent

data FontMetricsGetDescentMethodInfo Source #

Instances

((~) * signature (m Int32), MonadIO m) => MethodInfo * FontMetricsGetDescentMethodInfo FontMetrics signature Source #
Methods overloadedMethod :: MethodProxy FontMetricsGetDescentMethodInfo FontMetrics -> signature -> s

fontMetricsGetDescent :: MonadIO m => FontMetrics -> m Int32 Source #

getStrikethroughPosition

data FontMetricsGetStrikethroughPositionMethodInfo Source #

Instances

((~) * signature (m Int32), MonadIO m) => MethodInfo * FontMetricsGetStrikethroughPositionMethodInfo FontMetrics signature Source #
Methods overloadedMethod :: MethodProxy FontMetricsGetStrikethroughPositionMethodInfo FontMetrics -> signature -> s

fontMetricsGetStrikethroughPosition :: MonadIO m => FontMetrics -> m Int32 Source #

getStrikethroughThickness

data FontMetricsGetStrikethroughThicknessMethodInfo Source #

Instances

((~) * signature (m Int32), MonadIO m) => MethodInfo * FontMetricsGetStrikethroughThicknessMethodInfo FontMetrics signature Source #
Methods overloadedMethod :: MethodProxy FontMetricsGetStrikethroughThicknessMethodInfo FontMetrics -> signature -> s

fontMetricsGetStrikethroughThickness :: MonadIO m => FontMetrics -> m Int32 Source #

getUnderlinePosition

data FontMetricsGetUnderlinePositionMethodInfo Source #

Instances

((~) * signature (m Int32), MonadIO m) => MethodInfo * FontMetricsGetUnderlinePositionMethodInfo FontMetrics signature Source #
Methods overloadedMethod :: MethodProxy FontMetricsGetUnderlinePositionMethodInfo FontMetrics -> signature -> s

fontMetricsGetUnderlinePosition :: MonadIO m => FontMetrics -> m Int32 Source #

getUnderlineThickness

data FontMetricsGetUnderlineThicknessMethodInfo Source #

Instances

((~) * signature (m Int32), MonadIO m) => MethodInfo * FontMetricsGetUnderlineThicknessMethodInfo FontMetrics signature Source #
Methods overloadedMethod :: MethodProxy FontMetricsGetUnderlineThicknessMethodInfo FontMetrics -> signature -> s

fontMetricsGetUnderlineThickness :: MonadIO m => FontMetrics -> m Int32 Source #

new

fontMetricsNew :: MonadIO m => m FontMetrics Source #

ref

data FontMetricsRefMethodInfo Source #

Instances

((~) * signature (m (Maybe FontMetrics)), MonadIO m) => MethodInfo * FontMetricsRefMethodInfo FontMetrics signature Source #
Methods overloadedMethod :: MethodProxy FontMetricsRefMethodInfo FontMetrics -> signature -> s

fontMetricsRef :: MonadIO m => FontMetrics -> m (Maybe FontMetrics) Source #

unref

data FontMetricsUnrefMethodInfo Source #

Instances

((~) * signature (m ()), MonadIO m) => MethodInfo * FontMetricsUnrefMethodInfo FontMetrics signature Source #
Methods overloadedMethod :: MethodProxy FontMetricsUnrefMethodInfo FontMetrics -> signature -> s

fontMetricsUnref :: MonadIO m => FontMetrics -> m () Source #