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Erlang
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src minor api fixes
test minor api fixes
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README initial release

README

Erlang SVG library
******************

Copyright (c) 2012, Dmitry Kolesnikov


   This library is free software; you can redistribute it and/or modify
it under the terms of the Apache License, version 2.0 as published by 
http://www.apache.org/licenses/LICENSE-2.0

Introduction
============

   The library provides interface to render SVG graphics from Erlang 
application. The current version targets server-side rendering use-cases
with help of ImageMagic command line tool 'convert'. The library internal
uses xmerl for XML output.

Compile and build
=================
 
   git clone https://github.com/fogfish/svg.git
   cd svg
   make

Supported features
==================

   The following features are supported by current library release
See SVG specification http://www.w3.org/TR/SVG/ for detailed 
features descriptions.

   * SVG version 1.1
   * styling using presentation attributes
      - font properties
      - text properties
      - other visual properties
   * grouping element 'g'
   * 'path' element
      - absolute line-to primitive
      - absolute Bezier curve primitive
      - closepath primitive
   * 'rect' element
   * 'circle' element
   * 'ellipse' element
   * 'text' element
      - font styling
      - basic text draw at defined point

Feature backlog
===============

   The following features to be supported in following releases

   * 'defs' element 
   * 'symbol' element
   * 'use' element  
   * styling
      - gradient, patterns
      - 'style' element (css styling)
   * 'path' element
      - quadratic Bezier curve
      - elliptical arc
   * 'line' element
   * 'polyline' element
   * 'text' element
      - list of coordinates to 'x', 'y' attributes
      - inner 'tspan' element
      - shift the current text position {dx, dy}
      - layout feature
      - 'textPath' element
   * 'image' element
   * common attributes: 'id', 'class'
   * coordinate system, transform
   * clipping, masking, filtering
   * 'color-profile' element

Not supported features
======================

   The following features is nice-to-have but they are not required
for server side rending use-cases.

   * xsl styling
   * svg metadata: 'desc', 'title'
   * 'switch' element (conditional processing)
   * 'path' element
      - horizontal line-to primitive
      - vertical line-to primitive
   * text
      - 'altGlyph', 'altGlyphDef', 'altGlyphItem', 'glyphRef' elements
   * 'cursor' element
   * animation

Interface and examples
======================

   See src/svg.erl for api specification
   See test/svg_test.erl for api example


 
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