sifflet-lib-1.0: Library of modules shared by sifflet and its tests and its exporters. Source code Contents Index

Sifflet.Data.Geometry

Synopsis

data Position = Position { posX :: Double posY :: Double } positionDelta :: Position -> Position -> (Double, Double) positionDistance :: Position -> Position -> Double positionDistanceSquared :: Position -> Position -> Double positionCloseEnough :: Position -> Position -> Double -> Bool data Circle = Circle { circleCenter :: Position circleRadius :: Double } pointInCircle :: Position -> Circle -> Bool data Size = Size { sizeW :: Double sizeH :: Double } data BBox = BBox Double Double Double Double bbX :: BBox -> Double bbY :: BBox -> Double bbWidth :: BBox -> Double bbSetWidth :: BBox -> Double -> BBox bbHeight :: BBox -> Double bbPosition :: BBox -> Position bbSize :: BBox -> Size bbToRect :: BBox -> Rectangle bbFromRect :: Rectangle -> BBox bbCenter :: BBox -> Position bbLeft :: BBox -> Double bbXCenter :: BBox -> Double bbRight :: BBox -> Double bbTop :: BBox -> Double bbYCenter :: BBox -> Double bbBottom :: BBox -> Double bbMerge :: BBox -> BBox -> BBox bbMergeList :: [BBox] -> BBox pointInBB :: Position -> BBox -> Bool class Widen a where widen :: a -> Double -> a class Translate a where translate :: Double -> Double -> a -> a

Documentation

data Position Source

Constructors Position posX :: Double posY :: Double Instances Eq Position Read Position Show Position Translate Position Draw Position

positionDelta :: Position -> Position -> (Double, Double) Source

positionDistance :: Position -> Position -> Double Source

positionDistanceSquared :: Position -> Position -> Double Source

positionCloseEnough :: Position -> Position -> Double -> Bool Source

data Circle Source

Constructors Circle circleCenter :: Position circleRadius :: Double Instances Eq Circle Read Circle Show Circle Translate Circle Draw Circle

pointInCircle :: Position -> Circle -> Bool Source

data Size Source

Constructors Size sizeW :: Double sizeH :: Double Instances Eq Size Read Size Show Size

data BBox Source

BBox x y width height; (x, y) is the top left corner Constructors BBox Double Double Double Double Instances Eq BBox Read BBox Show BBox Translate BBox Widen BBox Draw BBox

bbX :: BBox -> Double Source

bbY :: BBox -> Double Source

BBox accessors and utilities

bbWidth :: BBox -> Double Source

bbSetWidth :: BBox -> Double -> BBox Source

bbHeight :: BBox -> Double Source

bbPosition :: BBox -> Position Source

bbSize :: BBox -> Size Source

bbToRect :: BBox -> Rectangle Source

bbFromRect :: Rectangle -> BBox Source

bbCenter :: BBox -> Position Source

bbLeft :: BBox -> Double Source

bbXCenter :: BBox -> Double Source

bbRight :: BBox -> Double Source

bbTop :: BBox -> Double Source

bbYCenter :: BBox -> Double Source

bbBottom :: BBox -> Double Source

bbMerge :: BBox -> BBox -> BBox Source

Form a new BBox which encloses two bboxes

bbMergeList :: [BBox] -> BBox Source

pointInBB :: Position -> BBox -> Bool Source

class Widen a where Source

Methods widen :: a -> Double -> a Source Make an object have at least a specified minimum width; does nothing if it's already at least that wide Instances Widen BBox Widen TextBox Widen (LayoutNode e)

class Translate a where Source

A Translate is a thing that can be repositioned by delta x and delta y Methods translate Source :: Double delta X -> Double delta Y -> a thing in old position -> a thing in new position Instances Translate BBox Translate Circle Translate Position Translate Iolet Translate TextBox Translate FunctoidLayout Translate e => Translate [e] Translate e => Translate (Tree e) Translate (LayoutNode e) Translate (GNode e)

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