GI.Pango.Structs.Matrix

A structure specifying a transformation between user-space coordinates and device coordinates. The transformation is given by

programlisting x_device = x_user * matrix->xx + y_user * matrix->xy + matrix->x0; y_device = x_user * matrix->yx + y_user * matrix->yy + matrix->y0; /programlisting

Exported types

newtype Matrix

Constructors

Matrix (ForeignPtr Matrix)

Instances

BoxedObject Matrix

(~) AttrOpTag tag AttrSet => Constructible Matrix tag

((~) * signature (Double -> Double -> m ()), MonadIO m) => MethodInfo * MatrixTranslateMethodInfo Matrix signature

((~) * signature (Double -> Double -> m (Double, Double)), MonadIO m) => MethodInfo * MatrixTransformPointMethodInfo Matrix signature

((~) * signature (Double -> Double -> m (Double, Double)), MonadIO m) => MethodInfo * MatrixTransformDistanceMethodInfo Matrix signature

((~) * signature (Double -> Double -> m ()), MonadIO m) => MethodInfo * MatrixScaleMethodInfo Matrix signature

((~) * signature (Double -> m ()), MonadIO m) => MethodInfo * MatrixRotateMethodInfo Matrix signature

((~) * signature (m (Double, Double)), MonadIO m) => MethodInfo * MatrixGetFontScaleFactorsMethodInfo Matrix signature

((~) * signature (m Double), MonadIO m) => MethodInfo * MatrixGetFontScaleFactorMethodInfo Matrix signature

((~) * signature (m ()), MonadIO m) => MethodInfo * MatrixFreeMethodInfo Matrix signature

((~) * signature (m (Maybe Matrix)), MonadIO m) => MethodInfo * MatrixCopyMethodInfo Matrix signature

((~) * signature (Matrix -> m ()), MonadIO m) => MethodInfo * MatrixConcatMethodInfo Matrix signature

((~) * info (ResolveMatrixMethod t Matrix), MethodInfo * info Matrix p) => IsLabelProxy t (Matrix -> p)

type AttributeList Matrix

newZeroMatrix :: MonadIO m => m Matrix

Construct a Matrix struct initialized to zero.

noMatrix :: Maybe Matrix

Methods

matrixConcat

data MatrixConcatMethodInfo

Instances

((~) * signature (Matrix -> m ()), MonadIO m) => MethodInfo * MatrixConcatMethodInfo Matrix signature

matrixConcat :: MonadIO m => Matrix -> Matrix -> m ()

matrixCopy

data MatrixCopyMethodInfo

Instances

((~) * signature (m (Maybe Matrix)), MonadIO m) => MethodInfo * MatrixCopyMethodInfo Matrix signature

matrixCopy :: MonadIO m => Matrix -> m (Maybe Matrix)

matrixFree

data MatrixFreeMethodInfo

Instances

((~) * signature (m ()), MonadIO m) => MethodInfo * MatrixFreeMethodInfo Matrix signature

matrixFree :: MonadIO m => Matrix -> m ()

matrixGetFontScaleFactor

data MatrixGetFontScaleFactorMethodInfo

Instances

((~) * signature (m Double), MonadIO m) => MethodInfo * MatrixGetFontScaleFactorMethodInfo Matrix signature

matrixGetFontScaleFactor :: MonadIO m => Matrix -> m Double

matrixGetFontScaleFactors

data MatrixGetFontScaleFactorsMethodInfo

Instances

((~) * signature (m (Double, Double)), MonadIO m) => MethodInfo * MatrixGetFontScaleFactorsMethodInfo Matrix signature

matrixGetFontScaleFactors :: MonadIO m => Matrix -> m (Double, Double)

matrixRotate

data MatrixRotateMethodInfo

Instances

((~) * signature (Double -> m ()), MonadIO m) => MethodInfo * MatrixRotateMethodInfo Matrix signature

matrixRotate :: MonadIO m => Matrix -> Double -> m ()

matrixScale

data MatrixScaleMethodInfo

Instances

((~) * signature (Double -> Double -> m ()), MonadIO m) => MethodInfo * MatrixScaleMethodInfo Matrix signature

matrixScale :: MonadIO m => Matrix -> Double -> Double -> m ()

matrixTransformDistance

data MatrixTransformDistanceMethodInfo

Instances

((~) * signature (Double -> Double -> m (Double, Double)), MonadIO m) => MethodInfo * MatrixTransformDistanceMethodInfo Matrix signature

matrixTransformDistance :: MonadIO m => Matrix -> Double -> Double -> m (Double, Double)

matrixTransformPoint

data MatrixTransformPointMethodInfo

Instances

((~) * signature (Double -> Double -> m (Double, Double)), MonadIO m) => MethodInfo * MatrixTransformPointMethodInfo Matrix signature

matrixTransformPoint :: MonadIO m => Matrix -> Double -> Double -> m (Double, Double)

matrixTranslate

data MatrixTranslateMethodInfo

Instances

((~) * signature (Double -> Double -> m ()), MonadIO m) => MethodInfo * MatrixTranslateMethodInfo Matrix signature

matrixTranslate :: MonadIO m => Matrix -> Double -> Double -> m ()

Properties

X0

matrixReadX0 :: MonadIO m => Matrix -> m Double

matrixWriteX0 :: MonadIO m => Matrix -> Double -> m ()

matrixX0 :: AttrLabelProxy "x0"

Xx

matrixReadXx :: MonadIO m => Matrix -> m Double

matrixWriteXx :: MonadIO m => Matrix -> Double -> m ()

matrixXx :: AttrLabelProxy "xx"

Xy

matrixReadXy :: MonadIO m => Matrix -> m Double

matrixWriteXy :: MonadIO m => Matrix -> Double -> m ()

matrixXy :: AttrLabelProxy "xy"

Y0

matrixReadY0 :: MonadIO m => Matrix -> m Double

matrixWriteY0 :: MonadIO m => Matrix -> Double -> m ()

matrixY0 :: AttrLabelProxy "y0"

Yx

matrixReadYx :: MonadIO m => Matrix -> m Double

matrixWriteYx :: MonadIO m => Matrix -> Double -> m ()

matrixYx :: AttrLabelProxy "yx"

Yy

matrixReadYy :: MonadIO m => Matrix -> m Double

matrixWriteYy :: MonadIO m => Matrix -> Double -> m ()

matrixYy :: AttrLabelProxy "yy"