HPDF-1.4.8: Generation of PDF documents

Copyright(c) 2006-2012, alpheccar.org
LicenseBSD-style
Maintainermisc@NOSPAMalpheccar.org
Stabilityexperimental
Portabilityportable
Safe HaskellNone
LanguageHaskell98

Graphics.PDF.Shapes

Contents

Description

PDF Shapes

Synopsis

Shapes

Paths

moveto :: Point -> Draw () Source

Move pen to a given point without drawing anything

lineto :: Point -> Draw () Source

Draw a line from current point to the one specified by lineto

arcto Source

Arguments

:: Angle

Extent of arc

-> Point

Center of arc

-> Draw () 

Approximate a circular arc by one cubic bezier curve. larger arc angles mean larger distortions

curveto :: Point -> Point -> Point -> Draw () Source

beginPath :: Point -> Draw () Source

Begin a new path at a position

closePath :: Draw () Source

Close current path

addBezierCubic :: Point -> Point -> Point -> Draw () Source

Append a cubic Bezier curve to the current path. The curve extends from the current point to the point (x3 , y3), using (x1 , y1 ) and (x2, y2) as the Bezier control points

addPolygonToPath :: [Point] -> Draw () Source

Add a polygon to current path

addLineToPath :: Point -> Draw () Source

strokePath :: Draw () Source

Draw current path

fillPath :: Draw () Source

Fill current path

fillAndStrokePath :: Draw () Source

Fill current path

fillPathEO :: Draw () Source

Fill current path using even odd rule

fillAndStrokePathEO :: Draw () Source

Fill current path using even odd rule

setAsClipPath :: Draw () Source

Set clipping path

setAsClipPathEO :: Draw () Source

Set clipping path

Usual shapes

class Shape a where Source

Minimal complete definition

addShape

Methods

addShape :: a -> Draw () Source

stroke :: a -> Draw () Source

fill :: a -> Draw () Source

fillAndStroke :: a -> Draw () Source

fillEO :: a -> Draw () Source

fillAndStrokeEO :: a -> Draw () Source

Instances

data Line Source

Constructors

Line PDFFloat PDFFloat PDFFloat PDFFloat 

Instances

data Rectangle Source

Constructors

Rectangle !Point !Point 

Instances

newtype Polygon Source

Constructors

Polygon [Point] 

Instances

data Arc Source

Constructors

Arc PDFFloat PDFFloat PDFFloat PDFFloat 

Instances

data Ellipse Source

Constructors

Ellipse PDFFloat PDFFloat PDFFloat PDFFloat 

Instances

data Circle Source

Constructors

Circle PDFFloat PDFFloat PDFFloat 

Instances

data RoundRectangle Source

Constructors

RoundRectangle PDFFloat PDFFloat PDFFloat PDFFloat PDFFloat PDFFloat 

Instances

Style

data CapStyle Source

Line cap styles

Constructors

ButtCap 
RoundCap 
SquareCap 

Instances

data JoinStyle Source

Line join styles

Constructors

MiterJoin 
RoundJoin 
BevelJoin 

Instances

data DashPattern Source

Constructors

DashPattern ![PDFFloat] PDFFloat 

Instances

setWidth :: MonadPath m => PDFFloat -> m () Source

Set pen width

setLineCap :: MonadPath m => CapStyle -> m () Source

Set line cap

setLineJoin :: MonadPath m => JoinStyle -> m () Source

Set line join

setDash :: MonadPath m => DashPattern -> m () Source

Set the dash pattern

setNoDash :: MonadPath m => m () Source

No dash pattern

setMiterLimit :: MonadPath m => PDFFloat -> m () Source

Set pen width