Copyright	(c) 2011 diagrams-lib team (see LICENSE)
License	BSD-style (see LICENSE)
Maintainer	diagrams-discuss@googlegroups.com
Safe Haskell	None
Language	Haskell2010

Diagrams.TwoD.Align

Contents

Absolute alignment
- Align by envelope
- Align by trace
Relative alignment
Centering

Description

Alignment combinators specialized for two dimensions. See Diagrams.Align for more general alignment combinators.

The basic idea is that alignment is achieved by moving diagrams' local origins relative to their envelopes or traces (or some other sort of boundary). For example, to align several diagrams along their tops, we first move their local origins to the upper edge of their boundary (using e.g. map alignTop), and then put them together with their local origins along a horizontal line (using e.g. hcat from Diagrams.TwoD.Combinators).

Synopsis

Absolute alignment

Align by envelope

alignL :: (Alignable a, HasOrigin a, V a ~ R2) => a -> a Source

Align along the left edge, i.e. translate the diagram in a horizontal direction so that the local origin is on the left edge of the envelope.

alignR :: (Alignable a, HasOrigin a, V a ~ R2) => a -> a Source

Align along the right edge.

alignT :: (Alignable a, HasOrigin a, V a ~ R2) => a -> a Source

Align along the top edge.

alignB :: (Alignable a, HasOrigin a, V a ~ R2) => a -> a Source

Align along the bottom edge.

alignTL :: (Alignable a, HasOrigin a, V a ~ R2) => a -> a Source

alignTR :: (Alignable a, HasOrigin a, V a ~ R2) => a -> a Source

alignBL :: (Alignable a, HasOrigin a, V a ~ R2) => a -> a Source

alignBR :: (Alignable a, HasOrigin a, V a ~ R2) => a -> a Source

Align by trace

snugL :: (Fractional (Scalar (V a)), Alignable a, Traced a, HasOrigin a, V a ~ R2) => a -> a Source

snugR :: (Fractional (Scalar (V a)), Alignable a, Traced a, HasOrigin a, V a ~ R2) => a -> a Source

snugT :: (Fractional (Scalar (V a)), Alignable a, Traced a, HasOrigin a, V a ~ R2) => a -> a Source

snugB :: (Fractional (Scalar (V a)), Alignable a, Traced a, HasOrigin a, V a ~ R2) => a -> a Source

snugTL :: (Fractional (Scalar (V a)), Alignable a, Traced a, HasOrigin a, V a ~ R2) => a -> a Source

snugTR :: (Fractional (Scalar (V a)), Alignable a, Traced a, HasOrigin a, V a ~ R2) => a -> a Source

snugBL :: (Fractional (Scalar (V a)), Alignable a, Traced a, HasOrigin a, V a ~ R2) => a -> a Source

snugBR :: (Fractional (Scalar (V a)), Alignable a, Traced a, HasOrigin a, V a ~ R2) => a -> a Source

Relative alignment

alignX :: (Alignable a, HasOrigin a, V a ~ R2) => Double -> a -> a Source

alignX and snugX move the local origin horizontally as follows:

alignX (-1) moves the local origin to the left edge of the boundary;
align 1 moves the local origin to the right edge;
any other argument interpolates linearly between these. For example, alignX 0 centers, alignX 2 moves the origin one "radius" to the right of the right edge, and so on.
snugX works the same way.

snugX :: (Fractional (Scalar (V a)), Alignable a, Traced a, HasOrigin a, V a ~ R2) => Double -> a -> a Source

See the documentation for alignX.

alignY :: (Alignable a, HasOrigin a, V a ~ R2) => Double -> a -> a Source

Like alignX, but moving the local origin vertically, with an argument of 1 corresponding to the top edge and (-1) corresponding to the bottom edge.

snugY :: (Fractional (Scalar (V a)), Alignable a, Traced a, HasOrigin a, V a ~ R2) => Double -> a -> a Source

Centering

centerX :: (Alignable a, HasOrigin a, V a ~ R2) => a -> a Source

Center the local origin along the X-axis.

centerY :: (Alignable a, HasOrigin a, V a ~ R2) => a -> a Source

Center the local origin along the Y-axis.

centerXY :: (Alignable a, HasOrigin a, V a ~ R2) => a -> a Source

Center along both the X- and Y-axes.

snugCenterX :: (Fractional (Scalar (V a)), Alignable a, Traced a, HasOrigin a, V a ~ R2) => a -> a Source

snugCenterY :: (Fractional (Scalar (V a)), Alignable a, Traced a, HasOrigin a, V a ~ R2) => a -> a Source

snugCenterXY :: (Fractional (Scalar (V a)), Alignable a, Traced a, HasOrigin a, V a ~ R2) => a -> a Source