Append LaTeX preambles

Author: CiaranOMara

src/integrations/PGFPlotsX.jl

@@ -5,8 +5,51 @@ using ..Weave, ..PGFPlotsX
 Base.showable(m::MIME"text/latex", plot::PGFPlotsX.AxisLike) = true
 Base.showable(m::MIME"text/tikz", plot::PGFPlotsX.AxisLike) = true
 
+const str_warning = "Could not add LaTeX preamble to document."
+
+function add_standalone(format::Weave.LaTeXFormat)
+    str = print_tex(String, "\\usepackage{standalone}") # Adds newline character.
+    if !contains(format.tex_deps, str)
+        format.tex_deps *= str
+    end
+    return nothing
+end
+
+function add_standalone(format::Weave.LaTeX2PDF)
+    return add_standalone(format.primaryformat)
+end
+
+function add_standalone(format)
+    @warn str_warning
+    return nothing
+end
+
+function add_preamble(format::Weave.LaTeXFormat)
+    for item in unique([PGFPlotsX.DEFAULT_PREAMBLE; PGFPlotsX.CUSTOM_PREAMBLE])
+        str = print_tex(String, item) # Adds newline character.
+        if !contains(format.tex_deps, str)
+            format.tex_deps *= str
+        end
+    end
+    return nothing
+end
+
+function add_preamble(format::Weave.LaTeX2PDF)
+    return add_preamble(format.primaryformat)
+end
+
+function add_preamble(format)
+    @warn str_warning
+    return nothing
+end
+
+
 function Base.display(report::Weave.Report, m::MIME"text/latex", figure::PGFPlotsX.AxisLike)
 
+    add_standalone(report.format)
+
+    add_preamble(report.format)
+
     chunk = report.cur_chunk
 
     ext = chunk.options[:fig_ext]
@@ -24,6 +67,8 @@ end
 
 function Base.display(report::Weave.Report, m::MIME"text/tikz", figure::PGFPlotsX.AxisLike)
 
+    add_preamble(report.format)
+
     chunk = report.cur_chunk
 
     ext = chunk.options[:fig_ext]

src/rendering/texformats.jl

@@ -96,7 +96,7 @@ function render_figures(docformat::LaTeXFormat, chunk)
     end
 
     for fig in fignames
-        if splitext(fig)[2] == ".tex" # Tikz figures
+        if splitext(fig)[2] in [".tex", ".tikz"] # Tikz figures
             figstring *= "\\resizebox{$width}{!}{\\input{$fig}}\n"
         else
             if isempty(attribs)