Plots.jl/src/backends/pgfplots.jl

106 lines
3.0 KiB
Julia

# https://github.com/sisl/PGFPlots.jl
function _initialize_backend(::PGFPlotsBackend; kw...)
@eval begin
import PGFPlots
export PGFPlots
# TODO: other initialization that needs to be eval-ed
end
# TODO: other initialization
end
# ---------------------------------------------------------------------------
function _create_plot(pkg::PGFPlotsBackend, d::KW)
# TODO: create the window/canvas/context that is the plot within the backend (call it `o`)
# TODO: initialize the plot... title, xlabel, bgcolor, etc
Plot(nothing, pkg, 0, d, KW[])
end
function _add_series(::PGFPlotsBackend, plt::Plot, d::KW)
# TODO: add one series to the underlying package
push!(plt.seriesargs, d)
plt
end
function _add_annotations{X,Y,V}(plt::Plot{PGFPlotsBackend}, anns::AVec{@compat(Tuple{X,Y,V})})
# set or add to the annotation_list
if haskey(plt.plotargs, :annotation_list)
append!(plt.plotargs[:annotation_list], anns)
else
plt.plotargs[:annotation_list] = anns
end
end
# ----------------------------------------------------------------
function _before_update_plot(plt::Plot{PGFPlotsBackend})
end
# TODO: override this to update plot items (title, xlabel, etc) after creation
function _update_plot(plt::Plot{PGFPlotsBackend}, d::KW)
end
function _update_plot_pos_size(plt::AbstractPlot{PGFPlotsBackend}, d::KW)
end
# ----------------------------------------------------------------
# accessors for x/y data
# function getxy(plt::Plot{PGFPlotsBackend}, i::Int)
# d = plt.seriesargs[i]
# d[:x], d[:y]
# end
#
# function setxy!{X,Y}(plt::Plot{PGFPlotsBackend}, xy::Tuple{X,Y}, i::Integer)
# d = plt.seriesargs[i]
# d[:x], d[:y] = xy
# plt
# end
# ----------------------------------------------------------------
function _create_subplot(subplt::Subplot{PGFPlotsBackend}, isbefore::Bool)
# TODO: build the underlying Subplot object. this is where you might layout the panes within a GUI window, for example
true
end
function _expand_limits(lims, plt::Plot{PGFPlotsBackend}, isx::Bool)
# TODO: call expand limits for each plot data
end
function _remove_axis(plt::Plot{PGFPlotsBackend}, isx::Bool)
# TODO: if plot is inner subplot, might need to remove ticks or axis labels
end
# ----------------------------------------------------------------
# ----------------------------------------------------------------
################# This is the important method to implement!!! #################
function _make_pgf_plot(plt::Plot{PGFPlotsBackend})
# TODO: convert plt.plotargs and plt.seriesargs into PGFPlots calls
# TODO: return the PGFPlots object
end
function Base.writemime(io::IO, mime::MIME"image/png", plt::AbstractPlot{PGFPlotsBackend})
plt.o = _make_pgf_plot(plt)
writemime(io, mime, plt.o)
end
# function Base.writemime(io::IO, ::MIME"text/html", plt::AbstractPlot{PGFPlotsBackend})
# end
function Base.display(::PlotsDisplay, plt::AbstractPlot{PGFPlotsBackend})
plt.o = _make_pgf_plot(plt)
display(plt.o)
end
# function Base.display(::PlotsDisplay, plt::Subplot{PGFPlotsBackend})
# # TODO: display/show the subplot
# end