169 lines
4.1 KiB
Julia
169 lines
4.1 KiB
Julia
"""
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theme(s::Symbol)
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Specify the colour theme for plots.
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"""
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function theme(s::Symbol; kw...)
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defaults = _get_defaults(s)
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_theme(s, defaults; kw...)
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end
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function _get_defaults(s::Symbol)
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thm = PlotThemes._themes[s]
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if :defaults in fieldnames(thm)
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return thm.defaults
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else # old PlotTheme type
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defaults = KW(
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:bg => thm.bg_secondary,
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:bginside => thm.bg_primary,
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:fg => thm.lines,
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:fgtext => thm.text,
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:fgguide => thm.text,
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:fglegend => thm.text,
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:palette => thm.palette,
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)
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if thm.gradient != nothing
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push!(defaults, :gradient => thm.gradient)
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end
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return defaults
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end
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end
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function _theme(s::Symbol, defaults::KW; kw...)
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# Reset to defaults to overwrite active theme
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reset_defaults()
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# Set the theme's gradient as default
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if haskey(defaults, :gradient)
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PlotUtils.clibrary(:misc)
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PlotUtils.default_cgrad(default = :sequential, sequential = PlotThemes.gradient_name(s))
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else
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PlotUtils.clibrary(:Plots)
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PlotUtils.default_cgrad(default = :sequential, sequential = :inferno)
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end
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# maybe overwrite the theme's gradient
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kw = KW(kw)
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if haskey(kw, :gradient)
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kwgrad = pop!(kw, :gradient)
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for clib in clibraries()
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if kwgrad in cgradients(clib)
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PlotUtils.clibrary(clib)
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PlotUtils.default_cgrad(default = :sequential, sequential = kwgrad)
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break
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end
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end
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end
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# Set the theme's defaults
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default(; defaults..., kw...)
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return
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end
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@deprecate set_theme(s) theme(s)
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@userplot ShowTheme
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_color_functions = KW(
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:protanopic => protanopic,
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:deuteranopic => deuteranopic,
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:tritanopic => tritanopic,
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)
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_get_showtheme_args(thm::Symbol) = thm, identity
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_get_showtheme_args(thm::Symbol, func::Symbol) = thm, get(_color_functions, func, identity)
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@recipe function showtheme(st::ShowTheme)
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thm, cfunc = _get_showtheme_args(st.args...)
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defaults = _get_defaults(thm)
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# get the gradient
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gradient_colors = get(defaults, :gradient, cgrad(:inferno).colors)
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gradient = cgrad(cfunc.(RGB.(gradient_colors)))
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# get the palette
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palette = get(defaults, :palette, get_color_palette(:auto, plot_color(:white), 17))
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palette = cfunc.(RGB.(palette))
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# apply the theme
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for k in keys(defaults)
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k in (:gradient, :palette) && continue
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def = defaults[k]
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arg = get(_keyAliases, k, k)
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plotattributes[arg] = if typeof(def) <: Colorant
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cfunc(RGB(def))
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elseif eltype(def) <: Colorant
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cfunc.(RGB.(def))
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elseif contains(string(arg), "color")
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cfunc.(RGB.(plot_color.(def)))
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else
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def
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end
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end
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srand(1)
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label := ""
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colorbar := false
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layout := (2, 3)
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for j in 1:4
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@series begin
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subplot := 1
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palette := palette
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seriestype := :path
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cumsum(randn(50))
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end
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@series begin
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subplot := 2
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seriestype := :scatter
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palette := palette
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marker := (:circle, :diamond, :star5, :square)[j]
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randn(10), randn(10)
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end
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end
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@series begin
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subplot := 3
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seriestype := :histogram
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palette := palette
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randn(1000) .+ (0:2:4)'
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end
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f(r) = sin(r) / r
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_norm(x, y) = norm([x, y])
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x = y = linspace(-3π, 3π, 30)
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z = f.(_norm.(x, y'))
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wi = 2:3:30
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@series begin
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subplot := 4
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seriestype := :heatmap
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seriescolor := gradient
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ticks := -5:5:5
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x, y, z
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end
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@series begin
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subplot := 5
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seriestype := :surface
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seriescolor := gradient
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x, y, z
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end
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n = 100
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ts = linspace(0, 10π, n)
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x = ts .* cos.(ts)
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y = (0.1ts) .* sin.(ts)
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z = 1:n
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@series begin
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subplot := 6
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seriescolor := gradient
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linewidth := 3
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line_z := z
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x, y, z
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end
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end
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