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Contents
module Prawn
module Graph
module Charts
module Legacy
class Grid
attr_accessor :width, :height, :point, :spacing, :document
def initialize(grid_x_start, grid_y_start, grid_width, grid_height, spacing, document, theme = Prawn::Graph::Theme::Default)
@point = [grid_x_start, grid_y_start]
@width = grid_width
@height = grid_height
@spacing = spacing
@document = document
@theme = Prawn::Graph::Theme::Default
end
def start_x; @point.first; end
def start_y; @point.last; end
# Draws the Grid on the specified Prawn::Document
#
def draw
@document.stroke_color @theme.markers
if @theme.stroke_grid_lines
(@height / @spacing).times do |x|
offset = @spacing * (x + 1)
@document.move_to [@point.first, (@point.last + offset)]
@document.line_width(0.5)
@document.stroke_line_to([(@point.first + @width), (@point.last + offset)])
end
end
@document.move_to @point
@document.line_width(2)
@document.stroke_line_to([@point.first, @point.last + @height])
@document.move_to @point
@document.line_width(2)
@document.stroke_line_to([(@point.first + @width), @point.last])
@document.move_to @point.first, (@point.last + height)
@document.stroke_color '000000'
@document.line_width(1)
@document.move_to @point
end
end
end
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems