Makie text boundingboxes

makie_text_boundingboxes.jl

using GLMakie

f = Figure()
ax = Axis(f[1, 1])

scatter!(ax, -1..2, randn(20_000), marker = 'O')

t = text!(ax,
    [(0, 0), (1, 0), (0.5, 1)],
    text = ["Hello", "Bonjour", "Guten Tag"],
)

translate!(t, 0, 0, 10)

glyphcolls = t.plots[1][1]

bboxes = lift(glyphcolls, ax.scene.camera.projectionview, ax.scene.viewport) do glyphcolls, _, _
    transformed = Makie.apply_transform(t.transformation.transform_func[], t[1][])
    pos = Makie.project.(Ref(ax.scene.camera), t.space[], t.markerspace[], transformed)

    map(glyphcolls, pos) do glyphcoll, pos
        Rect2f(Makie.unchecked_boundingbox(glyphcoll, pos, Makie.to_rotation(t.rotation[])))
    end
end

poly!(ax, bboxes, space = :pixel, color = (:white, 0.5))

f