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variables renamed for clarity (local functions tested without success)

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khampf
2017-04-22 23:24:43 +03:00
parent c8d5e9d9d2
commit 693c9858c2
1 changed files with 18 additions and 18 deletions
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36
contrib/passport_guide.lua
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@@ -43,40 +43,40 @@ dt.configuration.check_version(...,{2,0,0},{3,0,0},{4,0,0},{5,0,0})
dt.guides.register_guide("passport",
-- draw
function(cr, x, y, w, h, zoom_scale)
local _w, _h
function(cairo, x, y, width, height, zoom_scale)
local _width, _height
-- get the max 36x47 rectangle
local aspect_ratio = 47 / 36
if w * aspect_ratio > h then
_w = h / aspect_ratio
_h = h
if width * aspect_ratio > height then
_width = height / aspect_ratio
_height = height
else
_w = w
_h = w * aspect_ratio
_width = width
_height = width * aspect_ratio
end
cr:save()
cairo:save()
cr:translate(x + (w - _w) / 2, y + (h - _h) / 2)
cr:scale(_w / 36, _h / 47)
cairo:translate(x + (width - _width) / 2, y + (height - _height) / 2)
cairo:scale(_width / 36, _height / 47)
-- the outer rectangle
cr:rectangle( 0, 0, 36, 47)
cairo:rectangle( 0, 0, 36, 47)
-- vertical bars
cr:draw_line(16.5, 8, 16.5, 36)
cr:draw_line(19.5, 8, 19.5, 36)
cairo:draw_line(16.5, 8, 16.5, 36)
cairo:draw_line(19.5, 8, 19.5, 36)
-- long horisontal bars
cr:draw_line(6, 4, 30, 4)
cr:draw_line(6, 40, 30, 40)
cairo:draw_line(6, 4, 30, 4)
cairo:draw_line(6, 40, 30, 40)
-- short horisontal bars
cr:draw_line(9, 6, 27, 6)
cr:draw_line(9, 38, 27, 38)
cairo:draw_line(9, 6, 27, 6)
cairo:draw_line(9, 38, 27, 38)
cr:restore()
cairo:restore()
end,
-- gui
function()