Contents

# frozen_string_literal: true

module Gruff
  # @private
  class Renderer::Dot
    def initialize(renderer, style, color:, width: 1.0, opacity: 1.0)
      @renderer = renderer
      @style = style
      @color = color
      @width = width
      @opacity = opacity
    end

    def render(new_x, new_y, circle_radius)
      # @renderer.draw.push # TODO
      @renderer.draw.stroke_width(@width)
      @renderer.draw.stroke(@color)
      @renderer.draw.fill(@color)
      @renderer.draw.fill_opacity(@opacity)
      if @style.to_s == 'square'
        square(new_x, new_y, circle_radius)
      else
        circle(new_x, new_y, circle_radius)
      end
      # @renderer.draw.pop # TODO
    end

    def circle(new_x, new_y, circle_radius)
      @renderer.draw.circle(new_x, new_y, new_x - circle_radius, new_y)
    end

    def square(new_x, new_y, circle_radius)
      offset = (circle_radius * 0.8).to_i
      corner1 = new_x - offset
      corner2 = new_y - offset
      corner3 = new_x + offset
      corner4 = new_y + offset
      @renderer.draw.rectangle(corner1, corner2, corner3, corner4)
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
gruff-0.16.0	lib/gruff/renderer/dot.rb
gruff-0.16.0-java	lib/gruff/renderer/dot.rb