Class: SVG::Node

Inherits:

XML::Node

• Object
• XML::Node
• SVG::Node

show all

Includes:

NodeHelpers

Defined in:

lib/svg/node.rb,
lib/svg/node/path.rb

Overview

SVG::Node.new "svg"

SVG::Node.new "svg", width: 100

SVG::Node.new "path" do |path|
  path.scale 1, -1
  path["width"] = 100
end

Defined Under Namespace

Classes: Path

Instance Method Summary (collapse)

• - (Object) []=(attribute, value)

  Sets the value of an attribute, ensuring that both the key and the value have been converted to strings.

• - (SVG::Transform) current_transformation

  The current transformation object.

• - (Node) initialize(name, properties = {}) {|SVG::Node| ... } constructor

  Creates a new instance of an SVG node with the given name.

• - (Object) scale(xscale, yscale = xscale)

  Scales the node based on the provided x and y scale factors.

• - (Object) translate(x, y = 0)

  Translates the node based on the provided x and y positions.

• - (String) xpath

  The xpath to the current node.

Methods included from NodeHelpers

#clip_path, #g, #path, #rect

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# File 'lib/svg/node.rb', line 31

def initialize(name, properties = {})
  super name

  properties.each do |property, value|
    self[property] = value
  end

  yield self if block_given?
end

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# File 'lib/svg/node.rb', line 51

def []=(attribute, value)
  case value
    when SVG::Node
      super attribute.to_s, "url(##{value[:id]})"

    else
      super attribute.to_s, value.to_s
  end
end

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# File 'lib/svg/node.rb', line 42

def current_transformation
  @current_transformation ||= SVG::Transform.new
end

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# File 'lib/svg/node.rb', line 67

def scale(xscale, yscale = xscale)
  current_transformation.scale(xscale, yscale)
  self["transform"] = current_transformation.to_s
end

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# File 'lib/svg/node.rb', line 78

def translate(x, y = 0)
  current_transformation.translate(x, y)
  self["transform"] = current_transformation.to_s
end

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# File 'lib/svg/node.rb', line 84

def xpath
  _path
end