class PdfTempura::Render::Debug::Grid
Public Instance Methods
render(pdf)
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# File lib/pdf_tempura/render/debug/grid.rb, line 6 def render(pdf) set_styling(pdf) render_grid(pdf) end
Private Instance Methods
horizontal_line_with_label(pdf, y)
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# File lib/pdf_tempura/render/debug/grid.rb, line 49 def horizontal_line_with_label(pdf, y) pdf.stroke do pdf.line([0, y], [pdf.bounds.width, y]) pdf.draw_text y.to_s, at: [3, y+3], size: 6 end end
line_loop(max, increment) { |n| ... }
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# File lib/pdf_tempura/render/debug/grid.rb, line 38 def line_loop(max, increment) (0 .. max).step(increment){ |n| yield(n) } end
render_grid(pdf)
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# File lib/pdf_tempura/render/debug/grid.rb, line 19 def render_grid(pdf) pdf.transparent(0.125) do render_vertical_lines(pdf) render_horizontal_lines(pdf) end end
render_horizontal_lines(pdf)
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# File lib/pdf_tempura/render/debug/grid.rb, line 32 def render_horizontal_lines(pdf) line_loop(pdf.bounds.height, 25) do |y| horizontal_line_with_label pdf, y end end
render_vertical_lines(pdf)
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# File lib/pdf_tempura/render/debug/grid.rb, line 26 def render_vertical_lines(pdf) line_loop(pdf.bounds.width, 25) do |x| vertical_line_with_label pdf, x end end
set_styling(pdf)
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# File lib/pdf_tempura/render/debug/grid.rb, line 13 def set_styling(pdf) pdf.stroke_color = "000000" pdf.fill_color = "000000" pdf.line_width = 0.5 end
vertical_line_with_label(pdf, x)
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# File lib/pdf_tempura/render/debug/grid.rb, line 42 def vertical_line_with_label(pdf, x) pdf.stroke do pdf.line([x, 0], [x, pdf.bounds.height]) pdf.draw_text x.to_s, at: [x+3, 3], size: 6 end end