Module: Postsvg::Visitors::PsVisitor::Color

Included in:
Postsvg::Visitors::PsVisitor
Defined in:
lib/postsvg/visitors/ps_visitor/color.rb

Overview

Color operator handlers. Each updates the current GraphicsContext; the next paint operator reads the new colors.

Instance Method Summary collapse

Instance Method Details

#visit_setcmykcolor(op, _ctx) ⇒ Object 



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# File 'lib/postsvg/visitors/ps_visitor/color.rb', line 19

def visit_setcmykcolor(op, _ctx)
  color = Postsvg::Color.cmyk(op.cyan.to_f, op.magenta.to_f, op.yellow.to_f, op.key.to_f)
  @graphics.update(fill_color: color, stroke_color: color)
end

#visit_setgray(op, _ctx) ⇒ Object 



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# File 'lib/postsvg/visitors/ps_visitor/color.rb', line 9

def visit_setgray(op, _ctx)
  color = Postsvg::Color.gray(op.gray.to_f)
  @graphics.update(fill_color: color, stroke_color: color)
end

#visit_sethsbcolor(op, _ctx) ⇒ Object 



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# File 'lib/postsvg/visitors/ps_visitor/color.rb', line 24

def visit_sethsbcolor(op, _ctx)
  color = hsb_to_color(op.hue.to_f, op.saturation.to_f, op.brightness.to_f)
  @graphics.update(fill_color: color, stroke_color: color)
end

#visit_setrgbcolor(op, _ctx) ⇒ Object 



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# File 'lib/postsvg/visitors/ps_visitor/color.rb', line 14

def visit_setrgbcolor(op, _ctx)
  color = Postsvg::Color.rgb(op.red.to_f, op.green.to_f, op.blue.to_f)
  @graphics.update(fill_color: color, stroke_color: color)
end