hgeometry-svg
Safe HaskellNone
LanguageGHC2024

HGeometry.Miso.Canvas.Zoom

Synopsis

Documentation

data ZoomDirection Source #

Constructors

ZoomIn 
ZoomOut 

Instances

Instances details
Read ZoomDirection Source # 
Instance details

Defined in HGeometry.Miso.Canvas.Zoom

Methods

readsPrec :: Int -> ReadS ZoomDirection Source #

readList :: ReadS [ZoomDirection] Source #

readPrec :: ReadPrec ZoomDirection Source #

readListPrec :: ReadPrec [ZoomDirection] Source #

Show ZoomDirection Source # 
Instance details

Defined in HGeometry.Miso.Canvas.Zoom

Methods

showsPrec :: Int -> ZoomDirection -> ShowS Source #

show :: ZoomDirection -> String Source #

showList :: [ZoomDirection] -> ShowS Source #

Eq ZoomDirection Source # 
Instance details

Defined in HGeometry.Miso.Canvas.Zoom

Methods

(==) :: ZoomDirection -> ZoomDirection -> Bool Source #

(/=) :: ZoomDirection -> ZoomDirection -> Bool Source #

class HasZoomLevel canvas r | canvas -> r where Source #

Types that have a zoom-level

Methods

zoomLevel :: Lens' canvas r Source #

Lens to access the current zoom-level of the canvas

newtype ZoomAction Source #

Constructors

ZoomAction ZoomDirection 

Instances

Instances details
Show ZoomAction Source # 
Instance details

Defined in HGeometry.Miso.Canvas.Zoom

Methods

showsPrec :: Int -> ZoomAction -> ShowS Source #

show :: ZoomAction -> String Source #

showList :: [ZoomAction] -> ShowS Source #

Eq ZoomAction Source # 
Instance details

Defined in HGeometry.Miso.Canvas.Zoom

Methods

(==) :: ZoomAction -> ZoomAction -> Bool Source #

(/=) :: ZoomAction -> ZoomAction -> Bool Source #

update :: (Fractional r, Ord r, HasZoomLevel canvas r) => ZoomAction -> Effect parent canvas action Source #

Update the zoom-level