Chart-0.6: A library for generating 2D Charts and Plots

Safe Haskell	None

Graphics.Rendering.Chart.Types

Description

Synopsis

Documentation

data Point Source

A point in two dimensions

Constructors

Point
Fields p_x :: Double p_y :: Double

Instances

data Vector Source

Constructors

Vector
Fields v_x :: Double v_y :: Double

Instances

vscale :: Double -> Vector -> Vector Source

scale a vector by a constant

pvadd :: Point -> Vector -> Point Source

add a point and a vector

pvsub :: Point -> Vector -> Point Source

subtract a vector from a point

psub :: Point -> Point -> Vector Source

subtract two points

type PointMapFn = Point -> Point Source

a function mapping between points

data Rect Source

A rectangle is defined by two points

Constructors

Rect Point Point

Instances

data RectEdge Source

Constructors

E_Top
E_Bottom
E_Left
E_Right

mkrect :: Point -> Point -> Point -> Point -> Rect Source

Create a rectangle based upon the coordinates of 4 points

vmap :: Range -> Range -> Double -> Double Source

A linear mapping of points in one range to another

newtype CairoPointStyle Source

Abstract data type for the style of a plotted point

The contained Cairo action draws a point in the desired style, at the supplied device coordinates.

Constructors

CairoPointStyle (Point -> Render ())

newtype CairoLineStyle Source

Abstract data type for the style of a line

The contained Cairo action sets the required line in the Cairo rendering state.

Constructors

CairoLineStyle (Render ())

newtype CairoFillStyle Source

Abstract data type for a fill style

The contained Cairo action sets the required fill style in the Cairo rendering state.

Constructors

CairoFillStyle (Render ())

newtype CairoFontStyle Source

Abstract data type for a font.

The contained Cairo action sets the required font in the Cairo rendering state.

Constructors

CairoFontStyle (Render ())

type Range = (Double, Double)Source

type RectSize = (Double, Double)Source

moveTo :: Point -> Render ()Source

lineTo :: Point -> Render ()Source

setClipRegion :: Point -> Point -> Render ()Source

strokeLines :: [Point] -> Render ()Source

stroke the lines between successive points

rectPath :: Rect -> Render ()Source

make a path from a rectable

setFontStyle :: CairoFontStyle -> Render ()Source

setLineStyle :: CairoLineStyle -> Render ()Source

setFillStyle :: CairoFillStyle -> Render ()Source

textSize :: String -> Render RectSize Source

data HTextAnchor Source

Constructors

HTA_Left
HTA_Centre
HTA_Right

data VTextAnchor Source

Constructors

VTA_Top
VTA_Centre
VTA_Bottom
VTA_BaseLine

drawText :: HTextAnchor -> VTextAnchor -> Point -> String -> Render ()Source

Function to draw a textual label anchored by one of it's corners or edges.

filledCircles Source

Arguments

:: Double	radius of circle
-> Double	red component of colour
-> Double	green component of colour
-> Double	blue component of colour
-> CairoPointStyle

hollowCircles Source

Arguments

:: Double	radius of circle
-> Double	thickness of line
-> Double	red component of colour
-> Double	green component of colour
-> Double	blue component of colour
-> CairoPointStyle

hollowPolygon Source

Arguments

:: Double	radius of circle
-> Double	thickness of line
-> Int	Number of vertices
-> Bool	Is right-side-up?
-> Double	red component of colour
-> Double	green component of colour
-> Double	blue component of colour
-> CairoPointStyle

filledPolygon Source

Arguments

:: Double	radius of circle
-> Int	Number of vertices
-> Bool	Is right-side-up?
-> Double	red component of colour
-> Double	green component of colour
-> Double	blue component of colour
-> CairoPointStyle

Arguments

:: Double	radius of circle
-> Double	thickness of line
-> Double	red component of colour
-> Double	green component of colour
-> Double	blue component of colour
-> CairoPointStyle

Arguments

:: Double	radius of circle
-> Double	thickness of line
-> Double	red component of colour
-> Double	green component of colour
-> Double	blue component of colour
-> CairoPointStyle

Arguments

:: Double	radius of circle
-> Double	thickness of line
-> Double	red component of colour
-> Double	green component of colour
-> Double	blue component of colour
-> CairoPointStyle

solidLine Source

Arguments

:: Double	width of line
-> Double	red component of colour
-> Double	green component of colour
-> Double	blue component of colour
-> CairoLineStyle

dashedLine Source

Arguments

:: Double	width of line
-> [Double]	the dash pattern in device coordinates
-> Double	red component of colour
-> Double	green component of colour
-> Double	blue component of colour
-> CairoLineStyle

fontStyle Source

Arguments

:: String	the font name
-> Double	the font size
-> FontSlant	the font slant
-> FontWeight	the font weight
-> CairoFontStyle

solidFillStyle Source

Arguments

:: Double	red component of colour
-> Double	green component of colour
-> Double	blue component of colour
-> CairoFillStyle

defaultPointStyle :: CairoPointStyle Source

defaultFontStyle :: CairoFontStyle Source

isValidNumber :: RealFloat a => a -> Bool Source