1054 lines
34 KiB
Julia
1054 lines
34 KiB
Julia
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# https://github.com/jheinen/GR.jl
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# significant contributions by @jheinen
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const _gr_attr = merge_with_base_supported([
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:annotations,
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:background_color_legend, :background_color_inside, :background_color_outside,
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:foreground_color_legend, :foreground_color_grid, :foreground_color_axis,
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:foreground_color_text, :foreground_color_border,
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:label,
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:seriescolor, :seriesalpha,
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:linecolor, :linestyle, :linewidth, :linealpha,
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:markershape, :markercolor, :markersize, :markeralpha,
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:markerstrokewidth, :markerstrokecolor, :markerstrokealpha,
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:fillrange, :fillcolor, :fillalpha,
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:bins,
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:layout,
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:title, :window_title,
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:guide, :lims, :ticks, :scale, :flip,
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:tickfont, :guidefont, :legendfont,
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:grid, :legend, :colorbar,
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:marker_z, :levels,
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:ribbon, :quiver,
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:orientation,
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:overwrite_figure,
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:polar,
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:aspect_ratio,
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:normalize, :weights,
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:inset_subplots,
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:bar_width,
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])
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const _gr_seriestype = [
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:path, :scatter,
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:heatmap, :pie, :image,
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:contour, :path3d, :scatter3d, :surface, :wireframe,
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:shape
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]
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const _gr_style = [:auto, :solid, :dash, :dot, :dashdot, :dashdotdot]
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const _gr_marker = _allMarkers
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const _gr_scale = [:identity, :log10]
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is_marker_supported(::GRBackend, shape::Shape) = true
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function add_backend_string(::GRBackend)
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"""
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Pkg.add("GR")
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Pkg.build("GR")
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"""
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end
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function _initialize_backend(::GRBackend; kw...)
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@eval begin
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import GR
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export GR
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end
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end
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# --------------------------------------------------------------------------------------
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const gr_linetype = KW(
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:auto => 1,
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:solid => 1,
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:dash => 2,
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:dot => 3,
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:dashdot => 4,
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:dashdotdot => -1
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)
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const gr_markertype = KW(
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:auto => 1,
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:none => -1,
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:circle => -1,
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:rect => -7,
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:diamond => -13,
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:utriangle => -3,
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:dtriangle => -5,
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:pentagon => -21,
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:hexagon => -22,
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:heptagon => -23,
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:octagon => -24,
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:cross => 2,
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:xcross => 5,
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:+ => 2,
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:x => 5,
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:star4 => -25,
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:star5 => -26,
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:star6 => -27,
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:star7 => -28,
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:star8 => -29,
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:vline => -30,
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:hline => -31
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)
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const gr_halign = KW(
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:left => 1,
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:hcenter => 2,
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:right => 3
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)
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const gr_valign = KW(
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:top => 1,
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:vcenter => 3,
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:bottom => 5
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)
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const gr_font_family = Dict(
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"times" => 1,
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"helvetica" => 5,
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"courier" => 9,
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"bookman" => 14,
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"newcenturyschlbk" => 18,
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"avantgarde" => 22,
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"palatino" => 26
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)
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# --------------------------------------------------------------------------------------
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function gr_getcolorind(c)
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GR.settransparency(float(alpha(c)))
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convert(Int, GR.inqcolorfromrgb(red(c), green(c), blue(c)))
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end
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gr_set_linecolor(c) = GR.setlinecolorind(gr_getcolorind(cycle(c,1)))
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gr_set_fillcolor(c) = GR.setfillcolorind(gr_getcolorind(cycle(c,1)))
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gr_set_markercolor(c) = GR.setmarkercolorind(gr_getcolorind(cycle(c,1)))
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gr_set_textcolor(c) = GR.settextcolorind(gr_getcolorind(cycle(c,1)))
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# --------------------------------------------------------------------------------------
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# draw line segments, splitting x/y into contiguous/finite segments
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# note: this can be used for shapes by passing func `GR.fillarea`
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function gr_polyline(x, y, func = GR.polyline)
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iend = 0
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n = length(x)
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while iend < n-1
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# set istart to the first index that is finite
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istart = -1
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for j = iend+1:n
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if isfinite(x[j]) && isfinite(y[j])
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istart = j
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break
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end
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end
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if istart > 0
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# iend is the last finite index
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iend = -1
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for j = istart+1:n
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if isfinite(x[j]) && isfinite(y[j])
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iend = j
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else
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break
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end
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end
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end
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# if we found a start and end, draw the line segment, otherwise we're done
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if istart > 0 && iend > 0
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func(x[istart:iend], y[istart:iend])
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else
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break
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end
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end
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end
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function gr_inqtext(x, y, s)
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if length(s) >= 2 && s[1] == '$' && s[end] == '$'
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GR.inqtextext(x, y, s[2:end-1])
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elseif search(s, '\\') != 0 || search(s, '_') != 0 || search(s, '^') != 0
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GR.inqtextext(x, y, s)
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else
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GR.inqtext(x, y, s)
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end
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end
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function gr_text(x, y, s)
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if length(s) >= 2 && s[1] == '$' && s[end] == '$'
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GR.mathtex(x, y, s[2:end-1])
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elseif search(s, '\\') != 0 || search(s, '_') != 0 || search(s, '^') != 0
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GR.textext(x, y, s)
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else
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GR.text(x, y, s)
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end
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end
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function gr_polaraxes(rmin, rmax)
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GR.savestate()
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GR.setlinetype(GR.LINETYPE_SOLID)
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GR.setlinecolorind(88)
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tick = 0.5 * GR.tick(rmin, rmax)
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n = round(Int, (rmax - rmin) / tick + 0.5)
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for i in 0:n
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r = float(i) / n
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if i % 2 == 0
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GR.setlinecolorind(88)
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if i > 0
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GR.drawarc(-r, r, -r, r, 0, 359)
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end
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GR.settextalign(GR.TEXT_HALIGN_LEFT, GR.TEXT_VALIGN_HALF)
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x, y = GR.wctondc(0.05, r)
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GR.text(x, y, string(signif(rmin + i * tick, 12)))
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else
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GR.setlinecolorind(90)
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GR.drawarc(-r, r, -r, r, 0, 359)
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end
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end
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for α in 0:45:315
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a = α + 90
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sinf = sin(a * pi / 180)
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cosf = cos(a * pi / 180)
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GR.polyline([sinf, 0], [cosf, 0])
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GR.settextalign(GR.TEXT_HALIGN_CENTER, GR.TEXT_VALIGN_HALF)
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x, y = GR.wctondc(1.1 * sinf, 1.1 * cosf)
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GR.textext(x, y, string(α, "^o"))
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end
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GR.restorestate()
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end
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# using the axis extrema and limit overrides, return the min/max value for this axis
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gr_x_axislims(sp::Subplot) = axis_limits(sp[:xaxis])
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gr_y_axislims(sp::Subplot) = axis_limits(sp[:yaxis])
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gr_z_axislims(sp::Subplot) = axis_limits(sp[:zaxis])
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gr_xy_axislims(sp::Subplot) = gr_x_axislims(sp)..., gr_y_axislims(sp)...
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function gr_lims(axis::Axis, adjust::Bool, expand = nothing)
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if expand != nothing
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expand_extrema!(axis, expand)
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end
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lims = axis_limits(axis)
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if adjust
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GR.adjustrange(lims...)
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else
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lims
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end
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end
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function gr_fill_viewport(vp::AVec{Float64}, c)
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GR.savestate()
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GR.selntran(0)
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GR.setfillintstyle(GR.INTSTYLE_SOLID)
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gr_set_fillcolor(c)
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GR.fillrect(vp...)
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GR.selntran(1)
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GR.restorestate()
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end
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normalize_zvals(zv::Void) = zv
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function normalize_zvals(zv::AVec)
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vmin, vmax = extrema(zv)
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if vmin == vmax
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zeros(length(zv))
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else
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(zv - vmin) ./ (vmax - vmin)
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end
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end
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# ---------------------------------------------------------
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# draw ONE Shape
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function gr_draw_marker(xi, yi, msize, shape::Shape)
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sx, sy = shape_coords(shape)
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GR.selntran(0)
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xi, yi = GR.wctondc(xi, yi)
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GR.fillarea(xi + sx * 0.0015msize,
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yi + sy * 0.0015msize)
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GR.selntran(1)
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end
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# draw ONE symbol marker
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function gr_draw_marker(xi, yi, msize::Number, shape::Symbol)
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GR.setmarkertype(gr_markertype[shape])
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GR.setmarkersize(0.3msize)
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GR.polymarker([xi], [yi])
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end
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# draw the markers, one at a time
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function gr_draw_markers(series::Series, x, y, msize, mz)
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shape = series[:markershape]
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if shape != :none
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for i=1:length(x)
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msi = cycle(msize, i)
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cfunc = isa(shape, Shape) ? gr_set_fillcolor : gr_set_markercolor
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cfuncind = isa(shape, Shape) ? GR.setfillcolorind : GR.setmarkercolorind
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# draw a filled in shape, slightly bigger, to estimate a stroke
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if series[:markerstrokewidth] > 0
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cfunc(cycle(series[:markerstrokecolor], i)) #, series[:markerstrokealpha])
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gr_draw_marker(x[i], y[i], msi + series[:markerstrokewidth], shape)
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end
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# draw the shape
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if mz == nothing
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cfunc(cycle(series[:markercolor], i)) #, series[:markeralpha])
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else
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# pick a color from the pre-loaded gradient
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ci = round(Int, 1000 + cycle(mz, i) * 255)
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cfuncind(ci)
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GR.settransparency(_gr_gradient_alpha[ci-999])
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end
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gr_draw_marker(x[i], y[i], msi, shape)
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end
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end
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end
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function gr_draw_markers(series::Series, x, y)
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isempty(x) && return
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mz = normalize_zvals(series[:marker_z])
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GR.setfillintstyle(GR.INTSTYLE_SOLID)
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gr_draw_markers(series, x, y, series[:markersize], mz)
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if mz != nothing
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gr_colorbar(series[:subplot])
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end
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end
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# ---------------------------------------------------------
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function gr_set_line(w, style, c) #, a)
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GR.setlinetype(gr_linetype[style])
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GR.setlinewidth(w)
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gr_set_linecolor(c) #, a)
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end
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function gr_set_fill(c) #, a)
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gr_set_fillcolor(c) #, a)
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GR.setfillintstyle(GR.INTSTYLE_SOLID)
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end
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# this stores the conversion from a font pointsize to "percentage of window height" (which is what GR uses)
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const _gr_point_mult = zeros(1)
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# set the font attributes... assumes _gr_point_mult has been populated already
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function gr_set_font(f::Font; halign = f.halign, valign = f.valign, color = f.color)
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family = lowercase(f.family)
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GR.setcharheight(_gr_point_mult[1] * f.pointsize)
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GR.setcharup(sin(f.rotation), cos(f.rotation))
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if haskey(gr_font_family, family)
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GR.settextfontprec(100 + gr_font_family[family], GR.TEXT_PRECISION_STRING)
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end
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gr_set_textcolor(color)
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GR.settextalign(gr_halign[halign], gr_valign[valign])
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end
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# --------------------------------------------------------------------------------------
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# viewport plot area
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# this stays constant for a given subplot while displaying that subplot.
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# values are [xmin, xmax, ymin, ymax]. they range [0,1].
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const viewport_plotarea = zeros(4)
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function gr_viewport_from_bbox(bb::BoundingBox, w, h, viewport_canvas)
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viewport = zeros(4)
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viewport[1] = viewport_canvas[2] * (left(bb) / w)
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viewport[2] = viewport_canvas[2] * (right(bb) / w)
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viewport[3] = viewport_canvas[4] * (1.0 - bottom(bb) / h)
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viewport[4] = viewport_canvas[4] * (1.0 - top(bb) / h)
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viewport
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end
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# change so we're focused on the viewport area
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function gr_set_viewport_cmap(sp::Subplot)
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GR.setviewport(
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viewport_plotarea[2] + (is3d(sp) ? 0.04 : 0.02),
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viewport_plotarea[2] + (is3d(sp) ? 0.07 : 0.05),
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viewport_plotarea[3],
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viewport_plotarea[4]
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)
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end
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# reset the viewport to the plot area
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function gr_set_viewport_plotarea()
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GR.setviewport(
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viewport_plotarea[1],
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viewport_plotarea[2],
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viewport_plotarea[3],
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viewport_plotarea[4]
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)
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end
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function gr_set_viewport_polar()
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xmin, xmax, ymin, ymax = viewport_plotarea
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ymax -= 0.05 * (xmax - xmin)
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xcenter = 0.5 * (xmin + xmax)
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ycenter = 0.5 * (ymin + ymax)
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r = 0.5 * min(xmax - xmin, ymax - ymin)
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GR.setviewport(xcenter -r, xcenter + r, ycenter - r, ycenter + r)
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GR.setwindow(-1, 1, -1, 1)
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r
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end
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# add the colorbar
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function gr_colorbar(sp::Subplot)
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if sp[:colorbar] != :none
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gr_set_viewport_cmap(sp)
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GR.colormap()
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gr_set_viewport_plotarea()
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end
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end
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gr_view_xcenter() = 0.5 * (viewport_plotarea[1] + viewport_plotarea[2])
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gr_view_ycenter() = 0.5 * (viewport_plotarea[3] + viewport_plotarea[4])
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gr_view_xdiff() = viewport_plotarea[2] - viewport_plotarea[1]
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gr_view_ydiff() = viewport_plotarea[4] - viewport_plotarea[3]
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# --------------------------------------------------------------------------------------
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const _gr_gradient_alpha = ones(256)
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function gr_set_gradient(c)
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grad = isa(c, ColorGradient) ? c : cgrad()
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for (i,z) in enumerate(linspace(0, 1, 256))
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c = grad[z]
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GR.setcolorrep(999+i, red(c), green(c), blue(c))
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_gr_gradient_alpha[i] = alpha(c)
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end
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grad
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end
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# this is our new display func... set up the viewport_canvas, compute bounding boxes, and display each subplot
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function gr_display(plt::Plot)
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GR.clearws()
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# collect some monitor/display sizes in meters and pixels
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display_width_meters, display_height_meters, display_width_px, display_height_px = GR.inqdspsize()
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display_width_ratio = display_width_meters / display_width_px
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display_height_ratio = display_height_meters / display_height_px
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# compute the viewport_canvas, normalized to the larger dimension
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viewport_canvas = Float64[0,1,0,1]
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w, h = plt[:size]
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if w > h
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ratio = float(h) / w
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msize = display_width_ratio * w
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GR.setwsviewport(0, msize, 0, msize * ratio)
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GR.setwswindow(0, 1, 0, ratio)
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viewport_canvas[3] *= ratio
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viewport_canvas[4] *= ratio
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else
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ratio = float(w) / h
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msize = display_height_ratio * h
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GR.setwsviewport(0, msize * ratio, 0, msize)
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GR.setwswindow(0, ratio, 0, 1)
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viewport_canvas[1] *= ratio
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viewport_canvas[2] *= ratio
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end
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# fill in the viewport_canvas background
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gr_fill_viewport(viewport_canvas, plt[:background_color_outside])
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# update point mult
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px_per_pt = px / pt
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_gr_point_mult[1] = 1.5 * px_per_pt / max(h,w)
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# subplots:
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for sp in plt.subplots
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gr_display(sp, w*px, h*px, viewport_canvas)
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end
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GR.updatews()
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end
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function gr_display(sp::Subplot{GRBackend}, w, h, viewport_canvas)
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# the viewports for this subplot
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viewport_subplot = gr_viewport_from_bbox(bbox(sp), w, h, viewport_canvas)
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viewport_plotarea[:] = gr_viewport_from_bbox(plotarea(sp), w, h, viewport_canvas)
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# get data limits
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data_lims = gr_xy_axislims(sp)
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ratio = sp[:aspect_ratio]
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if ratio != :none
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if ratio == :equal
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ratio = 1
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end
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viewport_ratio = (viewport_plotarea[2] - viewport_plotarea[1]) / (viewport_plotarea[4] - viewport_plotarea[3])
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window_ratio = (data_lims[2] - data_lims[1]) / (data_lims[4] - data_lims[3]) / ratio
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if window_ratio < viewport_ratio
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viewport_center = 0.5 * (viewport_plotarea[1] + viewport_plotarea[2])
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viewport_size = (viewport_plotarea[2] - viewport_plotarea[1]) * window_ratio / viewport_ratio
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viewport_plotarea[1] = viewport_center - 0.5 * viewport_size
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viewport_plotarea[2] = viewport_center + 0.5 * viewport_size
|
||
elseif window_ratio > viewport_ratio
|
||
viewport_center = 0.5 * (viewport_plotarea[3] + viewport_plotarea[4])
|
||
viewport_size = (viewport_plotarea[4] - viewport_plotarea[3]) * viewport_ratio / window_ratio
|
||
viewport_plotarea[3] = viewport_center - 0.5 * viewport_size
|
||
viewport_plotarea[4] = viewport_center + 0.5 * viewport_size
|
||
end
|
||
end
|
||
|
||
# fill in the plot area background
|
||
bg = plot_color(sp[:background_color_inside])
|
||
gr_fill_viewport(viewport_plotarea, bg)
|
||
|
||
# reduced from before... set some flags based on the series in this subplot
|
||
# TODO: can these be generic flags?
|
||
outside_ticks = false
|
||
cmap = false
|
||
draw_axes = true
|
||
# axes_2d = true
|
||
for series in series_list(sp)
|
||
st = series[:seriestype]
|
||
if st in (:contour, :surface, :heatmap) || series[:marker_z] != nothing
|
||
cmap = true
|
||
end
|
||
if st == :pie
|
||
draw_axes = false
|
||
end
|
||
if st == :heatmap
|
||
outside_ticks = true
|
||
end
|
||
end
|
||
|
||
if cmap && sp[:colorbar] != :none
|
||
# note: add extra midpadding on the right for the colorbar
|
||
viewport_plotarea[2] -= 0.1
|
||
end
|
||
|
||
# set our plot area view
|
||
gr_set_viewport_plotarea()
|
||
|
||
# these are the Axis objects, which hold scale, lims, etc
|
||
xaxis = sp[:xaxis]
|
||
yaxis = sp[:yaxis]
|
||
zaxis = sp[:zaxis]
|
||
|
||
# set the scale flags and window
|
||
xmin, xmax, ymin, ymax = data_lims
|
||
scale = 0
|
||
xtick, ytick = 1, 1
|
||
if xmax > xmin && ymax > ymin
|
||
# NOTE: for log axes, the major_x and major_y - if non-zero (omit labels) - control the minor grid lines (1 = draw 9 minor grid lines, 2 = no minor grid lines)
|
||
# NOTE: for log axes, the x_tick and y_tick - if non-zero (omit axes) - only affect the output appearance (1 = nomal, 2 = scientiic notation)
|
||
xaxis[:scale] == :log10 && (scale |= GR.OPTION_X_LOG)
|
||
yaxis[:scale] == :log10 && (scale |= GR.OPTION_Y_LOG)
|
||
xaxis[:flip] && (scale |= GR.OPTION_FLIP_X)
|
||
yaxis[:flip] && (scale |= GR.OPTION_FLIP_Y)
|
||
if scale & GR.OPTION_X_LOG == 0
|
||
majorx = 1 #5
|
||
xtick = GR.tick(xmin, xmax) / majorx
|
||
else
|
||
# log axis
|
||
xtick = 2 # scientific notation
|
||
majorx = 2 # no minor grid lines
|
||
end
|
||
if scale & GR.OPTION_Y_LOG == 0
|
||
majory = 1 #5
|
||
ytick = GR.tick(ymin, ymax) / majory
|
||
else
|
||
# log axis
|
||
ytick = 2 # scientific notation
|
||
majory = 2 # no minor grid lines
|
||
end
|
||
|
||
# NOTE: setwindow sets the "data coordinate" limits of the current "viewport"
|
||
GR.setwindow(xmin, xmax, ymin, ymax)
|
||
GR.setscale(scale)
|
||
end
|
||
|
||
# draw the axes
|
||
gr_set_font(xaxis[:tickfont])
|
||
gr_set_textcolor(xaxis[:foreground_color_text])
|
||
GR.setlinewidth(1)
|
||
|
||
if is3d(sp)
|
||
zmin, zmax = gr_lims(zaxis, true)
|
||
clims = sp[:clims]
|
||
if is_2tuple(clims)
|
||
isfinite(clims[1]) && (zmin = clims[1])
|
||
isfinite(clims[2]) && (zmax = clims[2])
|
||
end
|
||
GR.setspace(zmin, zmax, 40, 70)
|
||
xtick = GR.tick(xmin, xmax) / 2
|
||
ytick = GR.tick(ymin, ymax) / 2
|
||
ztick = GR.tick(zmin, zmax) / 2
|
||
ticksize = 0.01 * (viewport_plotarea[2] - viewport_plotarea[1])
|
||
|
||
# GR.setlinetype(GR.LINETYPE_DOTTED)
|
||
if sp[:grid]
|
||
GR.grid3d(xtick, 0, ztick, xmin, ymin, zmin, 2, 0, 2)
|
||
GR.grid3d(0, ytick, 0, xmax, ymin, zmin, 0, 2, 0)
|
||
end
|
||
GR.axes3d(xtick, 0, ztick, xmin, ymin, zmin, 2, 0, 2, -ticksize)
|
||
GR.axes3d(0, ytick, 0, xmax, ymin, zmin, 0, 2, 0, ticksize)
|
||
|
||
elseif ispolar(sp)
|
||
r = gr_set_viewport_polar()
|
||
rmin, rmax = GR.adjustrange(minimum(r), maximum(r))
|
||
# rmin, rmax = axis_limits(sp[:yaxis])
|
||
gr_polaraxes(rmin, rmax)
|
||
|
||
elseif draw_axes
|
||
if xmax > xmin && ymax > ymin
|
||
GR.setwindow(xmin, xmax, ymin, ymax)
|
||
end
|
||
|
||
xticks, yticks, spine_segs, grid_segs = axis_drawing_info(sp)
|
||
# @show xticks yticks #spine_segs grid_segs
|
||
|
||
# draw the grid lines
|
||
if sp[:grid]
|
||
# gr_set_linecolor(sp[:foreground_color_grid])
|
||
# GR.grid(xtick, ytick, 0, 0, majorx, majory)
|
||
gr_set_line(1, :dot, sp[:foreground_color_grid])
|
||
GR.settransparency(0.5)
|
||
gr_polyline(coords(grid_segs)...)
|
||
end
|
||
GR.settransparency(1.0)
|
||
|
||
# spine (border) and tick marks
|
||
gr_set_line(1, :solid, sp[:xaxis][:foreground_color_axis])
|
||
gr_polyline(coords(spine_segs)...)
|
||
|
||
if !(xticks in (nothing, false))
|
||
# x labels
|
||
flip = sp[:yaxis][:flip]
|
||
mirror = sp[:xaxis][:mirror]
|
||
gr_set_font(sp[:xaxis][:tickfont], valign = (mirror ? :bottom : :top), color = sp[:xaxis][:foreground_color_axis])
|
||
for (cv, dv) in zip(xticks...)
|
||
# use xor ($) to get the right y coords
|
||
xi, yi = GR.wctondc(cv, (flip $ mirror) ? ymax : ymin)
|
||
# @show cv dv ymin xi yi flip mirror (flip $ mirror)
|
||
gr_text(xi, yi + (mirror ? 1 : -1) * 0.01, string(dv))
|
||
end
|
||
end
|
||
|
||
if !(yticks in (nothing, false))
|
||
# y labels
|
||
flip = sp[:xaxis][:flip]
|
||
mirror = sp[:yaxis][:mirror]
|
||
gr_set_font(sp[:yaxis][:tickfont], halign = (mirror ? :left : :right), color = sp[:yaxis][:foreground_color_axis])
|
||
for (cv, dv) in zip(yticks...)
|
||
# use xor ($) to get the right y coords
|
||
xi, yi = GR.wctondc((flip $ mirror) ? xmax : xmin, cv)
|
||
# @show cv dv xmin xi yi
|
||
gr_text(xi + (mirror ? 1 : -1) * 0.01, yi, string(dv))
|
||
end
|
||
end
|
||
|
||
# window_diag = sqrt(gr_view_xdiff()^2 + gr_view_ydiff()^2)
|
||
# ticksize = 0.0075 * window_diag
|
||
# if outside_ticks
|
||
# ticksize = -ticksize
|
||
# end
|
||
# # TODO: this should be done for each axis separately
|
||
# gr_set_linecolor(xaxis[:foreground_color_axis])
|
||
|
||
# x1, x2 = xaxis[:flip] ? (xmax,xmin) : (xmin,xmax)
|
||
# y1, y2 = yaxis[:flip] ? (ymax,ymin) : (ymin,ymax)
|
||
# GR.axes(xtick, ytick, x1, y1, 1, 1, ticksize)
|
||
# GR.axes(xtick, ytick, x2, y2, -1, -1, -ticksize)
|
||
end
|
||
# end
|
||
|
||
# add the guides
|
||
GR.savestate()
|
||
if sp[:title] != ""
|
||
gr_set_font(sp[:titlefont])
|
||
GR.settextalign(GR.TEXT_HALIGN_CENTER, GR.TEXT_VALIGN_TOP)
|
||
gr_set_textcolor(sp[:foreground_color_title])
|
||
gr_text(gr_view_xcenter(), viewport_subplot[4], sp[:title])
|
||
end
|
||
|
||
if xaxis[:guide] != ""
|
||
gr_set_font(xaxis[:guidefont])
|
||
GR.settextalign(GR.TEXT_HALIGN_CENTER, GR.TEXT_VALIGN_BOTTOM)
|
||
gr_set_textcolor(xaxis[:foreground_color_guide])
|
||
gr_text(gr_view_xcenter(), viewport_subplot[3], xaxis[:guide])
|
||
end
|
||
|
||
if yaxis[:guide] != ""
|
||
gr_set_font(yaxis[:guidefont])
|
||
GR.settextalign(GR.TEXT_HALIGN_CENTER, GR.TEXT_VALIGN_TOP)
|
||
GR.setcharup(-1, 0)
|
||
gr_set_textcolor(yaxis[:foreground_color_guide])
|
||
gr_text(viewport_subplot[1], gr_view_ycenter(), yaxis[:guide])
|
||
end
|
||
GR.restorestate()
|
||
|
||
gr_set_font(xaxis[:tickfont])
|
||
|
||
# this needs to be here to point the colormap to the right indices
|
||
GR.setcolormap(1000 + GR.COLORMAP_COOLWARM)
|
||
|
||
for (idx, series) in enumerate(series_list(sp))
|
||
st = series[:seriestype]
|
||
|
||
# update the current stored gradient
|
||
if st in (:contour, :surface, :wireframe, :heatmap)
|
||
gr_set_gradient(series[:fillcolor]) #, series[:fillalpha])
|
||
elseif series[:marker_z] != nothing
|
||
series[:markercolor] = gr_set_gradient(series[:markercolor])
|
||
end
|
||
|
||
GR.savestate()
|
||
|
||
|
||
# update the bounding window
|
||
if ispolar(sp)
|
||
gr_set_viewport_polar()
|
||
else
|
||
xmin, xmax, ymin, ymax = data_lims
|
||
if xmax > xmin && ymax > ymin
|
||
GR.setwindow(xmin, xmax, ymin, ymax)
|
||
end
|
||
end
|
||
|
||
x, y, z = series[:x], series[:y], series[:z]
|
||
frng = series[:fillrange]
|
||
|
||
# recompute data
|
||
if typeof(z) <: Surface
|
||
if st == :heatmap
|
||
expand_extrema!(sp[:xaxis], (x[1]-0.5*(x[2]-x[1]), x[end]+0.5*(x[end]-x[end-1])))
|
||
expand_extrema!(sp[:yaxis], (y[1]-0.5*(y[2]-y[1]), y[end]+0.5*(y[end]-y[end-1])))
|
||
end
|
||
z = vec(transpose_z(series, z.surf, false))
|
||
elseif ispolar(sp)
|
||
if frng != nothing
|
||
_, frng = convert_to_polar(x, frng, (rmin, rmax))
|
||
end
|
||
x, y = convert_to_polar(x, y, (rmin, rmax))
|
||
end
|
||
|
||
if st in (:path, :scatter)
|
||
if length(x) > 1
|
||
# do area fill
|
||
if frng != nothing
|
||
GR.setfillintstyle(GR.INTSTYLE_SOLID)
|
||
fr_from, fr_to = (is_2tuple(frng) ? frng : (y, frng))
|
||
for (i,rng) in enumerate(iter_segments(series[:x], series[:y]))
|
||
if length(rng) > 1
|
||
gr_set_fillcolor(cycle(series[:fillcolor], i))
|
||
fx = cycle(x, vcat(rng, reverse(rng)))
|
||
fy = vcat(cycle(fr_from,rng), cycle(fr_to,reverse(rng)))
|
||
# @show i rng fx fy
|
||
GR.fillarea(fx, fy)
|
||
end
|
||
end
|
||
end
|
||
|
||
# draw the line(s)
|
||
if st == :path
|
||
gr_set_line(series[:linewidth], series[:linestyle], series[:linecolor]) #, series[:linealpha])
|
||
gr_polyline(x, y)
|
||
end
|
||
end
|
||
|
||
if series[:markershape] != :none
|
||
gr_draw_markers(series, x, y)
|
||
end
|
||
|
||
elseif st == :contour
|
||
zmin, zmax = gr_lims(zaxis, false)
|
||
clims = sp[:clims]
|
||
if is_2tuple(clims)
|
||
isfinite(clims[1]) && (zmin = clims[1])
|
||
isfinite(clims[2]) && (zmax = clims[2])
|
||
end
|
||
if typeof(series[:levels]) <: Array
|
||
h = series[:levels]
|
||
else
|
||
h = linspace(zmin, zmax, series[:levels])
|
||
end
|
||
GR.setspace(zmin, zmax, 0, 90)
|
||
if series[:fillrange] != nothing
|
||
GR.surface(x, y, z, GR.OPTION_CELL_ARRAY)
|
||
else
|
||
GR.contour(x, y, h, z, 1000)
|
||
end
|
||
|
||
# create the colorbar of contour levels
|
||
if sp[:colorbar] != :none
|
||
gr_set_viewport_cmap(sp)
|
||
l = round(Int32, 1000 + (h - minimum(h)) / (maximum(h) - minimum(h)) * 255)
|
||
GR.setwindow(xmin, xmax, zmin, zmax)
|
||
GR.cellarray(xmin, xmax, zmax, zmin, 1, length(l), l)
|
||
ztick = 0.5 * GR.tick(zmin, zmax)
|
||
GR.axes(0, ztick, xmax, zmin, 0, 1, 0.005)
|
||
gr_set_viewport_plotarea()
|
||
end
|
||
|
||
elseif st in [:surface, :wireframe]
|
||
if st == :surface
|
||
if length(x) == length(y) == length(z)
|
||
GR.trisurface(x, y, z)
|
||
else
|
||
GR.gr3.surface(x, y, z, GR.OPTION_COLORED_MESH)
|
||
end
|
||
else
|
||
GR.setfillcolorind(0)
|
||
GR.surface(x, y, z, GR.OPTION_FILLED_MESH)
|
||
end
|
||
cmap && gr_colorbar(sp)
|
||
|
||
elseif st == :heatmap
|
||
# z = vec(transpose_z(series, z.surf, false))
|
||
zmin, zmax = gr_lims(zaxis, true)
|
||
clims = sp[:clims]
|
||
if is_2tuple(clims)
|
||
isfinite(clims[1]) && (zmin = clims[1])
|
||
isfinite(clims[2]) && (zmax = clims[2])
|
||
end
|
||
GR.setspace(zmin, zmax, 0, 90)
|
||
# GR.surface(x, y, z, GR.OPTION_COLORED_MESH)
|
||
GR.surface(x, y, z, GR.OPTION_HEATMAP)
|
||
cmap && gr_colorbar(sp)
|
||
|
||
elseif st in (:path3d, :scatter3d)
|
||
# draw path
|
||
if st == :path3d
|
||
if length(x) > 1
|
||
gr_set_line(series[:linewidth], series[:linestyle], series[:linecolor]) #, series[:linealpha])
|
||
GR.polyline3d(x, y, z)
|
||
end
|
||
end
|
||
|
||
# draw markers
|
||
if st == :scatter3d || series[:markershape] != :none
|
||
x2, y2 = unzip(map(GR.wc3towc, x, y, z))
|
||
gr_draw_markers(series, x2, y2)
|
||
end
|
||
|
||
# TODO: replace with pie recipe
|
||
elseif st == :pie
|
||
GR.selntran(0)
|
||
GR.setfillintstyle(GR.INTSTYLE_SOLID)
|
||
xmin, xmax, ymin, ymax = viewport_plotarea
|
||
ymax -= 0.05 * (xmax - xmin)
|
||
xcenter = 0.5 * (xmin + xmax)
|
||
ycenter = 0.5 * (ymin + ymax)
|
||
if xmax - xmin > ymax - ymin
|
||
r = 0.5 * (ymax - ymin)
|
||
xmin, xmax = xcenter - r, xcenter + r
|
||
else
|
||
r = 0.5 * (xmax - xmin)
|
||
ymin, ymax = ycenter - r, ycenter + r
|
||
end
|
||
labels = pie_labels(sp, series)
|
||
slices = series[:y]
|
||
numslices = length(slices)
|
||
total = sum(slices)
|
||
a1 = 0
|
||
x = zeros(3)
|
||
y = zeros(3)
|
||
for i in 1:numslices
|
||
a2 = round(Int, a1 + (slices[i] / total) * 360.0)
|
||
GR.setfillcolorind(980 + (i-1) % 20)
|
||
GR.fillarc(xmin, xmax, ymin, ymax, a1, a2)
|
||
α = 0.5 * (a1 + a2)
|
||
cosf = r * cos(α * pi / 180)
|
||
sinf = r * sin(α * pi / 180)
|
||
x[1] = xcenter + cosf
|
||
y[1] = ycenter + sinf
|
||
x[2] = x[1] + 0.1 * cosf
|
||
y[2] = y[1] + 0.1 * sinf
|
||
y[3] = y[2]
|
||
if 90 <= α < 270
|
||
x[3] = x[2] - 0.05
|
||
GR.settextalign(GR.TEXT_HALIGN_RIGHT, GR.TEXT_VALIGN_HALF)
|
||
gr_text(x[3] - 0.01, y[3], string(labels[i]))
|
||
else
|
||
x[3] = x[2] + 0.05
|
||
GR.settextalign(GR.TEXT_HALIGN_LEFT, GR.TEXT_VALIGN_HALF)
|
||
gr_text(x[3] + 0.01, y[3], string(labels[i]))
|
||
end
|
||
gr_polyline(x, y)
|
||
a1 = a2
|
||
end
|
||
GR.selntran(1)
|
||
|
||
elseif st == :shape
|
||
for (i,rng) in enumerate(iter_segments(series[:x], series[:y]))
|
||
if length(rng) > 1
|
||
# connect to the beginning
|
||
rng = vcat(rng, rng[1])
|
||
|
||
# get the segments
|
||
x, y = series[:x][rng], series[:y][rng]
|
||
|
||
# draw the interior
|
||
gr_set_fill(cycle(series[:fillcolor], i))
|
||
GR.fillarea(x, y)
|
||
|
||
# draw the shapes
|
||
gr_set_line(series[:linewidth], :solid, cycle(series[:linecolor], i))
|
||
GR.polyline(x, y)
|
||
end
|
||
end
|
||
|
||
|
||
elseif st == :image
|
||
img = series[:z].surf
|
||
h, w = size(img)
|
||
if eltype(z) <: Colors.AbstractGray
|
||
grey = round(UInt8, float(z) * 255)
|
||
rgba = map(c -> UInt32( 0xff000000 + Int(c)<<16 + Int(c)<<8 + Int(c) ), grey)
|
||
else
|
||
rgba = map(c -> UInt32( round(Int, alpha(c) * 255) << 24 +
|
||
round(Int, blue(c) * 255) << 16 +
|
||
round(Int, green(c) * 255) << 8 +
|
||
round(Int, red(c) * 255) ), z)
|
||
end
|
||
GR.drawimage(xmin, xmax, ymax, ymin, w, h, rgba)
|
||
end
|
||
|
||
GR.restorestate()
|
||
end
|
||
|
||
|
||
# add the legend
|
||
if sp[:legend] != :none
|
||
GR.savestate()
|
||
GR.selntran(0)
|
||
GR.setscale(0)
|
||
gr_set_font(sp[:legendfont])
|
||
w = 0
|
||
i = 0
|
||
n = 0
|
||
for series in series_list(sp)
|
||
should_add_to_legend(series) || continue
|
||
n += 1
|
||
if typeof(series[:label]) <: Array
|
||
i += 1
|
||
lab = series[:label][i]
|
||
else
|
||
lab = series[:label]
|
||
end
|
||
tbx, tby = gr_inqtext(0, 0, lab)
|
||
w = max(w, tbx[3] - tbx[1])
|
||
end
|
||
if w > 0
|
||
xpos = viewport_plotarea[2] - 0.05 - w
|
||
ypos = viewport_plotarea[4] - 0.06
|
||
dy = _gr_point_mult[1] * sp[:legendfont].pointsize * 1.75
|
||
GR.setfillintstyle(GR.INTSTYLE_SOLID)
|
||
gr_set_fillcolor(sp[:background_color_legend])
|
||
GR.fillrect(xpos - 0.08, xpos + w + 0.02, ypos + dy, ypos - dy * n)
|
||
GR.setlinetype(1)
|
||
GR.setlinewidth(1)
|
||
GR.drawrect(xpos - 0.08, xpos + w + 0.02, ypos + dy, ypos - dy * n)
|
||
i = 0
|
||
for series in series_list(sp)
|
||
should_add_to_legend(series) || continue
|
||
st = series[:seriestype]
|
||
gr_set_line(series[:linewidth], series[:linestyle], series[:linecolor]) #, series[:linealpha])
|
||
if st == :path
|
||
GR.polyline([xpos - 0.07, xpos - 0.01], [ypos, ypos])
|
||
elseif st == :shape
|
||
gr_set_fill(series[:fillcolor]) #, series[:fillalpha])
|
||
l, r = xpos-0.07, xpos-0.01
|
||
b, t = ypos-0.4dy, ypos+0.4dy
|
||
x = [l, r, r, l, l]
|
||
y = [b, b, t, t, b]
|
||
gr_polyline(x, y, GR.fillarea)
|
||
gr_polyline(x, y)
|
||
end
|
||
|
||
if series[:markershape] != :none
|
||
gr_draw_markers(series, xpos-[0.06,0.02], [ypos,ypos], 10, nothing)
|
||
end
|
||
|
||
if typeof(series[:label]) <: Array
|
||
i += 1
|
||
lab = series[:label][i]
|
||
else
|
||
lab = series[:label]
|
||
end
|
||
GR.settextalign(GR.TEXT_HALIGN_LEFT, GR.TEXT_VALIGN_HALF)
|
||
gr_set_textcolor(sp[:foreground_color_legend])
|
||
gr_text(xpos, ypos, lab)
|
||
ypos -= dy
|
||
end
|
||
end
|
||
GR.selntran(1)
|
||
GR.restorestate()
|
||
end
|
||
|
||
# add annotations
|
||
GR.savestate()
|
||
# update the bounding window
|
||
if ispolar(sp)
|
||
gr_set_viewport_polar()
|
||
else
|
||
xmin, xmax, ymin, ymax = data_lims
|
||
if xmax > xmin && ymax > ymin
|
||
GR.setwindow(xmin, xmax, ymin, ymax)
|
||
end
|
||
end
|
||
for ann in sp[:annotations]
|
||
x, y, val = ann
|
||
x, y = if is3d(sp)
|
||
# GR.wc3towc(x, y, z)
|
||
else
|
||
GR.wctondc(x, y)
|
||
end
|
||
gr_set_font(val.font)
|
||
gr_text(x, y, val.str)
|
||
end
|
||
GR.restorestate()
|
||
end
|
||
|
||
|
||
# ----------------------------------------------------------------
|
||
|
||
const _gr_mimeformats = Dict(
|
||
"application/pdf" => "pdf",
|
||
"image/png" => "png",
|
||
"application/postscript" => "ps",
|
||
"image/svg+xml" => "svg",
|
||
)
|
||
|
||
|
||
for (mime, fmt) in _gr_mimeformats
|
||
@eval function _show(io::IO, ::MIME{Symbol($mime)}, plt::Plot{GRBackend})
|
||
GR.emergencyclosegks()
|
||
filepath = tempname() * "." * $fmt
|
||
withenv("GKS_WSTYPE" => $fmt == "png" ? "cairopng" : $fmt,
|
||
"GKS_FILEPATH" => filepath) do
|
||
gr_display(plt)
|
||
GR.emergencyclosegks()
|
||
end
|
||
write(io, readstring(filepath))
|
||
rm(filepath)
|
||
end
|
||
end
|
||
|
||
function _display(plt::Plot{GRBackend})
|
||
if plt[:display_type] == :inline
|
||
GR.emergencyclosegks()
|
||
filepath = tempname() * ".pdf"
|
||
withenv("GKS_WSTYPE" => "pdf",
|
||
"GKS_FILEPATH" => filepath) do
|
||
gr_display(plt)
|
||
GR.emergencyclosegks()
|
||
end
|
||
content = string("\033]1337;File=inline=1;preserveAspectRatio=0:", base64encode(open(readbytes, filepath)), "\a")
|
||
println(content)
|
||
rm(filepath)
|
||
else
|
||
withenv("GKS_WSTYPE" => get(ENV, "GKS_WSTYPE", "cairox11"),
|
||
"GKS_DOUBLE_BUF" => get(ENV ,"GKS_DOUBLE_BUF", "true")) do
|
||
gr_display(plt)
|
||
end
|
||
end
|
||
end
|