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diagrams-canvas: HTML5 canvas backend for diagrams drawing EDSL

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This package provides a modular backend for rendering diagrams created with the diagrams EDSL using an HTML5 canvas.

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Versions [RSS] 0.2, 0.2.0.1, 0.2.0.2, 0.2.0.3, 0.3, 0.3.0.1, 0.3.0.2, 0.3.0.3, 0.3.0.4, 1.3, 1.3.0.1, 1.3.0.2, 1.3.0.3, 1.3.0.4, 1.3.0.5, 1.3.0.6, 1.3.0.7, 1.4, 1.4.1, 1.4.1.1, 1.4.1.2, 1.4.2
Change log CHANGELOG.md
Dependencies base (>=4.6 && <4.10), blank-canvas (>=0.5 && <0.7), cmdargs (>=0.6 && <0.11), containers (>=0.3 && <0.6), data-default-class (>=0.0.1 && <0.2), diagrams-core (>=1.3 && <1.4), diagrams-lib (>=1.3 && <1.4), lens (>=4.0 && <4.15), mtl (>=2.0 && <3.0), NumInstances (>=1.0 && <1.5), optparse-applicative (>=0.13 && <0.14), statestack (>=0.2 && <0.3), text (>=1.0 && <1.3) [details]
Tested with ghc ==7.8.4, ghc ==7.10.2, ghc ==8.0.1
License BSD-3-Clause
Author Jeffrey Rosenbluth, Ryan Yates, Brent Yorgey, Andy Gill, Daniel Bergey
Maintainer diagrams-discuss@googlegroups.com
Category Graphics
Home page http://projects.haskell.org/diagrams/
Bug tracker http://github.com/diagrams/diagrams-canvas/issues
Source repo head: git clone https://github.com/diagrams/diagrams-canvas.git
Uploaded by BrentYorgey at 2016-08-23T01:38:33Z
Distributions LTSHaskell:1.4.1.2, NixOS:1.4.1.2, Stackage:1.4.2
Reverse Dependencies 2 direct, 25 indirect [details]
Downloads 15766 total (83 in the last 30 days)
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Status Docs available [build log]
Last success reported on 2016-08-23 [all 1 reports]

Readme for diagrams-canvas-1.3.0.7

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diagrams-canvas

diagrams-canvas is a canvas backend for diagrams based on the blank-canvas https://github.com/ku-fpg/blank-canvas package. Diagrams is a powerful, flexible, declarative domain-specific language for creating vector graphics, using the Haskell programming language. It supports most features defined in diagrams-lib.

Installation

cabal update && cabal install diagrams-canvas

Usage

A simple example that uses diagrams-canvas to draw a square.

import Diagrams.Prelude
import Diagrams.Backend.Canvas.CmdLine

b1 = square 20 # lw 0.002

main = mainWith (pad 1.1 b1)

Save this to file named Square.hs and compile this program:

ghc --make -threaded Square.hs

This will generate an executable which, when run dispays the resulting diagrams to http://localhost:3000/

$ ./Square -w 750