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Change how Cairo is presented to Lua scripts.

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Makes the whole thing a bit more stable and less weird.
This commit is contained in:
Přemysl Eric Janouch
2012-08-12 06:10:27 +02:00
parent 9366c42026
commit a1b79a55d2
20 changed files with 385 additions and 374 deletions
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24
share/library/Logical/and.lua
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@@ -17,23 +17,23 @@ local terminals = {{-4, -1}, {-4, 1}, {5, 0}}
-- Rendering
local render = function (cr)
-- The main shape
cr.move_to (-2, -2)
cr.line_to (1, -2)
cr.arc (1, 0, 2, math.pi * 1.5, math.pi * 0.5)
cr.line_to (-2, 2)
cr.close_path ()
cr:move_to (-2, -2)
cr:line_to (1, -2)
cr:arc (1, 0, 2, math.pi * 1.5, math.pi * 0.5)
cr:line_to (-2, 2)
cr:close_path ()
-- The terminals
cr.move_to (-4, -1)
cr.line_to (-2, -1)
cr:move_to (-4, -1)
cr:line_to (-2, -1)
cr.move_to (-4, 1)
cr.line_to (-2, 1)
cr:move_to (-4, 1)
cr:line_to (-2, 1)
cr.move_to (3, 0)
cr.line_to (5, 0)
cr:move_to (3, 0)
cr:line_to (5, 0)
cr.stroke ()
cr:stroke ()
end
-- Register the symbol

22
share/library/Logical/not.lua
View File

@@ -17,23 +17,23 @@ local terminals = {{-4, 0}, {4, 0}}
-- Rendering
local render = function (cr)
-- The triangle
cr.move_to (-2, -2)
cr.line_to (2, 0)
cr.line_to (-2, 2)
cr.close_path ()
cr:move_to (-2, -2)
cr:line_to (2, 0)
cr:line_to (-2, 2)
cr:close_path ()
-- The circle
cr.new_sub_path ()
cr.arc (2.25, 0, 0.25, 0, 2 * math.pi)
cr:new_sub_path ()
cr:arc (2.25, 0, 0.25, 0, 2 * math.pi)
-- The terminals
cr.move_to (-4, 0)
cr.line_to (-2, 0)
cr:move_to (-4, 0)
cr:line_to (-2, 0)
cr.move_to (2.5, 0)
cr.line_to (4, 0)
cr:move_to (2.5, 0)
cr:line_to (4, 0)
cr.stroke ()
cr:stroke ()
end
-- Register the symbol

46
share/library/Logical/or.lua
View File

@@ -17,38 +17,38 @@ local terminals = {{-4, -1}, {-4, 1}, {5, 0}}
-- Rendering
local render = function (cr)
-- The main shape
cr.move_to (-2, -2)
cr.line_to (0, -2)
cr.curve_to (2, -2, 3, 0, 3, 0)
cr.curve_to (3, 0, 2, 2, 0, 2)
cr.line_to (-2, 2)
cr.curve_to (-1, 1, -1, -1, -2, -2)
cr.stroke ()
cr:move_to (-2, -2)
cr:line_to (0, -2)
cr:curve_to (2, -2, 3, 0, 3, 0)
cr:curve_to (3, 0, 2, 2, 0, 2)
cr:line_to (-2, 2)
cr:curve_to (-1, 1, -1, -1, -2, -2)
cr:stroke ()
-- The terminals
cr.save ()
cr:save ()
-- Crop the contacts according to
-- the left side of the main shape
cr.move_to (-4, 2)
cr.line_to (-2, 2)
cr.curve_to (-1, 1, -1, -1, -2, -2)
cr.line_to (-4, -2)
cr.close_path ()
cr.clip ()
cr:move_to (-4, 2)
cr:line_to (-2, 2)
cr:curve_to (-1, 1, -1, -1, -2, -2)
cr:line_to (-4, -2)
cr:close_path ()
cr:clip ()
cr.move_to (-4, -1)
cr.line_to (-1, -1)
cr:move_to (-4, -1)
cr:line_to (-1, -1)
cr.move_to (-4, 1)
cr.line_to (-1, 1)
cr:move_to (-4, 1)
cr:line_to (-1, 1)
cr.stroke ()
cr.restore ()
cr:stroke ()
cr:restore ()
cr.move_to (3, 0)
cr.line_to (5, 0)
cr.stroke ()
cr:move_to (3, 0)
cr:line_to (5, 0)
cr:stroke ()
end
-- Register the symbol