Diagrams.Backend.HsQML.Render

Interface to the Diagrams backend machinery.

Documentation

data HsQML

Constructors

HsQML

Instances

Typeable * HsQML

Backend HsQML R2

Renderable Text HsQML

Renderable (Path R2) HsQML

Renderable (Trail R2) HsQML

data Options HsQML R2 = HsQMLOptions {

• _sizeSpec :: SizeSpec2D

}

type Result HsQML R2 = IO (ObjRef (DiagramObj ()))

data Render HsQML R2 = HsQMLRender {

• getObj :: DiagramObj ()

}

sizeSpec :: Functor f => (SizeSpec2D -> f SizeSpec2D) -> Options HsQML R2 -> f (Options HsQML R2)

A lens from HsQML backend options to a SizeSpec2D.

 sizeSpec :: Lens' (Options HsQML R2) SizeSpec2D

addAnnotation :: String -> DiagramObj ()

Currently not supported, returns mempty.

useStyle :: Style R2 -> DiagramObj ()

Apply style to a Context2D. Currently supports the following Attributes:

• LineCap
• LineJoin
• LineMiterLimit
• Opacity
• LineWidth
• LineTexture
• FillTexture
• Font
• FillRule

renderHsQML :: Options HsQML R2 -> RTree HsQML R2 Annotation -> Render HsQML R2

Render a RTree to an intermediate representation.

renderTrail :: P2 -> Trail R2 -> DiagramObj ()

Render a trail, closing loops.

renderSeg :: P2 -> Segment Closed R2 -> DiagramObj ()

Render a closed segment beginning on a given point.

closeSeg

Arguments

:: Segment Open R2

The last segment of a loop.

-> P2

First end.

-> P2

Second end.

-> DiagramObj ()

Close a loop using the last (open) segment and two endpoints.