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Graphics.Rendering.Diagrams.Paths | Portability | portable | Stability | experimental | Maintainer | byorgey@gmail.com |
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Description |
Type definitions and convenience functions for
Graphics.Rendering.Diagrams, an embedded domain-specific language
(EDSL) for creating simple diagrams.
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Synopsis |
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Documentation |
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The empty path, i.e. a path with no edges.
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Create an open path from a list of vertices. For example,
pathFromVertices [(1,3), (4,4), (6,5)] describes the path with
two segments which starts at (1,3), has a corner at (4,4), and
ends at (6,5). Note, however, that the vertices themselves are
not significant, only the distances between them. That is,
pathFromVertices [(0,1), (3,2), (5,3)] describes exactly the
same path.
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Create an open path from a list of edge displacement vectors.
For example, pathFromVectors [(1,1), (3,4)] describes the path
with two segments which first moves one unit in the positive x
and y directions, and then moves three units in the positive x
direction and four in the positive y direction.
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Convert a path into a list of vertices, starting with the given
vertex.
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Convert a path to a list of vectors corresponding to the edges of
the path.
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Concatenate two open paths into a single open path consisting of
the first followed by the second.
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Create a closed path (by connecting the first and last points in
the path).
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Determine whether a Path is closed or open.
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Rotate a path by a fraction of a circle. rotPath d rotates
paths by an angle of d*2*pi radians. Note that creating a
Diagram from a Path (using straight or curved or some
other such function) and then applying rotate to it is
different than first applying rotPath to the Path before
making it into a Diagram. In the latter case, the bounding box
will be correct, whereas in the former case, the bounding box
will still correspond to the unrotated version of the path.
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Compute the size of a bounding box for the given Path, and the
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Render a path using a particular style in the Cairo rendering monad.
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Produced by Haddock version 2.6.0 |