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gr tick rotations

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This commit is contained in:
Nicholas Bauer 2021-08-29 17:08:55 -04:00
parent 8b6073c088
commit 42fe91c8bb
1 changed files with 30 additions and 8 deletions
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38
src/backends/gr.jl
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@ -672,16 +672,38 @@ end
function gr_set_tickfont(sp, letter)
axis = sp[Symbol(letter, :axis)]
# invalidate alignment changes for small rotations (|θ| < 45°)
trigger(rot) = abs(sind(rot)) < abs(cosd(rot)) ? 0 : sign(rot)
rot = axis[:rotation]
rot = axis[:rotation] % 360
if letter === :x || (RecipesPipeline.is3d(sp) && letter === :y)
halign = (:left, :hcenter, :right)[trigger(rot) + 2]
valign = (axis[:mirror] ? :bottom : :top, :vcenter)[trigger(abs(rot)) + 1]
valign = if -90 < rot < 90 || rot < -270 || rot > 270
axis[:mirror] ? :bottom : :top
elseif abs(rot) % 90 == 0 # -270, -90, 90, 270
:vcenter
else
halign = (axis[:mirror] ? :left : :right, :hcenter)[trigger(abs(rot)) + 1]
valign = (:top, :vcenter, :bottom)[trigger(rot) + 2]
axis[:mirror] ? :top : :bottom
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
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
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),