HPDF-0.3: PDF API for Haskell Contents Index

Graphics.PDF.Geometry

Contents Geometry Units Data types Transformations

Description

Transformations of a PDF document

Synopsis

data Angle = Degree Float | Radian Float data Matrix rotate :: Angle -> Matrix translate :: Float -> Float -> Matrix scale :: Float -> Float -> Matrix applyMatrix :: Matrix -> PdfCmd identity :: Matrix

Geometry

Units

data Angle

Angle Constructors Degree Float Angle in degrees Radian Float Angle in radians

Data types

data Matrix

A transformation matrix (affine transformation) Instances Eq Matrix Num Matrix Show Matrix

Transformations

rotate :: Angle -> Matrix

Rotation matrix

translate :: Float -> Float -> Matrix

Translation matrix

scale :: Float -> Float -> Matrix

Scaling matrix

applyMatrix :: Matrix -> PdfCmd

Apply a transformation matrix to the current coordinate frame

identity :: Matrix

Identity matrix

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