Change how Cairo is presented to Lua scripts.
Makes the whole thing a bit more stable and less weird.
This commit is contained in:
@@ -17,20 +17,20 @@ local terminals = {{-2, 0}, {2, 0}}
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-- Rendering
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local render = function (cr)
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-- The vertical lines
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cr.move_to (-0.2, -1)
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cr.line_to (-0.2, 1)
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cr:move_to (-0.2, -1)
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cr:line_to (-0.2, 1)
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cr.move_to (0.2, -1)
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cr.line_to (0.2, 1)
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cr:move_to (0.2, -1)
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cr:line_to (0.2, 1)
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-- The terminals
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cr.move_to (-2, 0)
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cr.line_to (-0.2, 0)
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cr:move_to (-2, 0)
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cr:line_to (-0.2, 0)
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cr.move_to (0.2, 0)
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cr.line_to (2, 0)
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cr:move_to (0.2, 0)
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cr:line_to (2, 0)
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cr.stroke ()
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cr:stroke ()
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end
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-- Register the symbol
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@@ -45,79 +45,79 @@ local terminals = {{-2, 0}, {2, 0}}
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-- Rendering
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local render = function (cr)
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-- The triangle
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cr.move_to (-1, -1)
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cr.line_to (1, 0)
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cr.line_to (-1, 1)
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cr.line_to (-1, -1)
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cr:move_to (-1, -1)
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cr:line_to (1, 0)
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cr:line_to (-1, 1)
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cr:line_to (-1, -1)
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-- The vertical line
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cr.move_to (1, 1)
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cr.line_to (1, -1)
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cr:move_to (1, 1)
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cr:line_to (1, -1)
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-- The terminals
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cr.move_to (-2, 0)
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cr.line_to (2, 0)
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cr:move_to (-2, 0)
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cr:line_to (2, 0)
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cr.stroke ()
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cr:stroke ()
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end
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local render_zener = function (cr)
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render (cr)
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cr.move_to (1, 1)
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cr.line_to (0.5, 1)
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cr:move_to (1, 1)
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cr:line_to (0.5, 1)
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cr.stroke ()
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cr:stroke ()
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end
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local render_arrow = function (cr)
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cr.move_to (0, 0)
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cr.line_to (0, -1.5)
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cr:move_to (0, 0)
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cr:line_to (0, -1.5)
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cr.stroke ()
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cr:stroke ()
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cr.move_to (-0.3, -0.7)
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cr.line_to (0, -1.5)
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cr.line_to (0.3, -0.7)
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cr.close_path ()
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cr:move_to (-0.3, -0.7)
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cr:line_to (0, -1.5)
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cr:line_to (0.3, -0.7)
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cr:close_path ()
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cr.fill ()
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cr:fill ()
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end
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local render_radiation = function (cr)
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cr.save ()
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cr.translate (-0.4, 0)
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cr:save ()
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cr:translate (-0.4, 0)
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render_arrow (cr)
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cr.restore ()
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cr:restore ()
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cr.save ()
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cr.translate (0.4, 0)
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cr:save ()
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cr:translate (0.4, 0)
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render_arrow (cr)
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cr.restore ()
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cr:restore ()
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end
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local render_led = function (cr)
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render (cr)
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cr.save ()
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cr.translate (-0.3, -1.0)
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cr.rotate (math.atan2 (1, 1))
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cr:save ()
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cr:translate (-0.3, -1.0)
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cr:rotate (math.atan2 (1, 1))
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render_radiation (cr)
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cr.restore ()
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cr:restore ()
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end
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local render_photo = function (cr)
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render (cr)
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cr.save ()
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cr.translate (0.75, -2.05)
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cr.rotate (math.atan2 (-1, -1))
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cr:save ()
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cr:translate (0.75, -2.05)
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cr:rotate (math.atan2 (-1, -1))
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render_radiation (cr)
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cr.restore ()
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cr:restore ()
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end
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-- Register the symbol
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@@ -26,22 +26,22 @@ local terminals = {{-2, 0}, {2, 0}}
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-- Rendering
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local render = function (cr)
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-- The arcs
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cr.arc (-1.5, 0, 0.5, math.pi, 0)
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cr.arc (-0.5, 0, 0.5, math.pi, 0)
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cr.arc (0.5, 0, 0.5, math.pi, 0)
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cr.arc (1.5, 0, 0.5, math.pi, 0)
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cr:arc (-1.5, 0, 0.5, math.pi, 0)
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cr:arc (-0.5, 0, 0.5, math.pi, 0)
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cr:arc (0.5, 0, 0.5, math.pi, 0)
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cr:arc (1.5, 0, 0.5, math.pi, 0)
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cr.stroke ()
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cr:stroke ()
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end
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local render_core = function (cr)
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render (cr)
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-- The core
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cr.move_to (-2, -1)
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cr.line_to (2, -1)
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cr:move_to (-2, -1)
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cr:line_to (2, -1)
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cr.stroke ()
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cr:stroke ()
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end
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-- Register the symbols
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@@ -38,63 +38,63 @@ local terminals_pot = {{-2, 0}, {2, 0}, {2, -2}}
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-- Rendering
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local render = function (cr)
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-- The rectangle
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cr.move_to (-1.5, -0.5)
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cr.line_to (1.5, -0.5)
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cr.line_to (1.5, 0.5)
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cr.line_to (-1.5, 0.5)
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cr.line_to (-1.5, -0.5)
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cr:move_to (-1.5, -0.5)
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cr:line_to (1.5, -0.5)
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cr:line_to (1.5, 0.5)
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cr:line_to (-1.5, 0.5)
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cr:line_to (-1.5, -0.5)
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-- The terminals
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cr.move_to (-2, 0)
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cr.line_to (-1.5, 0)
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cr:move_to (-2, 0)
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cr:line_to (-1.5, 0)
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cr.move_to (1.5, 0)
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cr.line_to (2, 0)
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cr:move_to (1.5, 0)
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cr:line_to (2, 0)
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cr.stroke ()
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cr:stroke ()
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end
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local render_adj = function (cr)
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render (cr)
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-- The arrow
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cr.move_to (-1, 1)
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cr.line_to (1, -1)
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cr:move_to (-1, 1)
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cr:line_to (1, -1)
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cr.stroke ()
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cr:stroke ()
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cr.save ()
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cr.translate (1.5, -1.5)
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cr.rotate (math.atan2 (1, 1))
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cr:save ()
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cr:translate (1.5, -1.5)
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cr:rotate (math.atan2 (1, 1))
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cr.move_to (0, 0)
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cr.line_to (0.3, 0.8)
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cr.line_to (-0.3, 0.8)
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cr.close_path ()
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cr:move_to (0, 0)
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cr:line_to (0.3, 0.8)
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cr:line_to (-0.3, 0.8)
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cr:close_path ()
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cr.fill ()
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cr.restore ()
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cr:fill ()
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cr:restore ()
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end
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local render_pot = function (cr)
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render (cr)
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-- The contact
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cr.move_to (0, -2)
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cr.line_to (2, -2)
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cr:move_to (0, -2)
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cr:line_to (2, -2)
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-- The arrow
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cr.move_to (0, -2)
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cr.line_to (0, -1)
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cr:move_to (0, -2)
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cr:line_to (0, -1)
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cr.stroke ()
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cr:stroke ()
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cr.move_to (0, -0.5)
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cr.line_to (0.3, -1.3)
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cr.line_to (-0.3, -1.3)
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cr.close_path ()
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cr:move_to (0, -0.5)
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cr:line_to (0.3, -1.3)
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cr:line_to (-0.3, -1.3)
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cr:close_path ()
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cr.fill ()
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cr:fill ()
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end
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-- Register the symbol
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