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simplify logic

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t-bltg 2021-09-18 13:20:26 +02:00 committed by Nicholas Bauer
parent 7915c61809
commit 7407263e4d
1 changed files with 33 additions and 34 deletions
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57
src/backends/gr.jl
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@ -672,45 +672,44 @@ end
function gr_set_tickfont(sp, letter)
axis = sp[get_attr_symbol(letter, :axis)]
rot = axis[:rotation] % 360
if letter === :x || (RecipesPipeline.is3d(sp) && letter === :y)
mirror = (
vcenter = :vcenter,
hcenter = :hcenter,
left = :right,
right = :left,
bottom = :top,
top = :bottom,
)
hv_align(rot) = begin
halign = if 0 < rot < 180 || -360 < rot < -180
:right
elseif 180 < rot < 360 || -180 < rot < 0
:left
else
:hcenter
end
valign = if -90 < rot < 90 || rot < -270 || rot > 270
axis[:mirror] ? :bottom : :top
elseif abs(rot) % 90 == 0 # -270, -90, 90, 270
:vcenter
:top
elseif 90 < rot < 270 || -270 < rot < -90
:bottom
else
axis[:mirror] ? :top : :bottom
:vcenter
end
halign, valign
end
halign = if abs(rot) % 180 == 0 # -180, 0, 180
:hcenter
elseif 0 < rot < 180 || -360 < rot < -180
axis[:mirror] ? :left : :right
else # 180 < rot < 360 || -180 < rot < 0
axis[:mirror] ? :right : :left
end
if letter === :x || (RecipesPipeline.is3d(sp) && letter === :y)
halign, valign = hv_align(axis[:rotation] % 360)
else
valign = if rot % 180 == 0
:vcenter
elseif 0 < rot < 180 || -360 < rot < -180
axis[:mirror] ? :top : :bottom
else # rot < 0
axis[:mirror] ? :bottom : :top
halign, valign = hv_align((axis[:rotation] + 90) % 360) # y := x + 90°
end
halign = if -90 < rot < 90 || rot < -270 || rot > 270
axis[:mirror] ? :left : :right
elseif abs(rot) == 90 || abs(rot) == 270
:hcenter
else # 90 < rot < 270; -270 < rot < -90
axis[:mirror] ? :right : :left
end
end
gr_set_font(
tickfont(axis),
sp,
halign = halign,
valign = valign,
halign = axis[:mirror] ? mirror[halign] : halign,
valign = axis[:mirror] ? mirror[valign] : valign,
rotation = axis[:rotation],
color = axis[:tickfontcolor],
)