Embed images to html documents

examples/gadfly_md_sample.jmd

@@ -1,8 +1,8 @@
-% Intro to Weave.jl with Gadfly
+# Intro to Weave.jl with Gadfly
-% Matti Pastell
-% 20th April 2016
 
-# Introduction
+Matti Pastell, 13th December 2016
+
+## Introduction
 
 This a sample [Julia](http://julialang.org/) noweb document that can
 be executed using [Weave.jl](https://github.com/mpastell/Weave.jl).
@@ -31,7 +31,7 @@ weave(Pkg.dir("Weave","examples","gadfly_md_sample.jmd"), informat="markdown",
 *The documents will be written to the Julia working directory when you
 use the `out_path = :pwd`.*
 
-# Capturing code
+## Capturing code
 
 The basic code chunk will be run with default options and the code and
 output will be captured.
@@ -60,11 +60,11 @@ syntax from the source document):
 plot(y = cumsum(randn(1000, 1)), Geom.line)
 ```
 
-# Whats next
+## Whats next
 
 Read the documentation:
 
-  - stable: <http://mpastell.github.io/Weave.jl/stable/>
+  - stable: [http://mpastell.github.io/Weave.jl/stable/](http://mpastell.github.io/Weave.jl/stable/)
-  - latest: <http://mpastell.github.io/Weave.jl/latest/>
+  - latest: [http://mpastell.github.io/Weave.jl/latest/](http://mpastell.github.io/Weave.jl/latest/)
 
-See other examples in: <https://github.com/mpastell/Weave.jl/tree/master/examples>
+See other examples in the [Github repo](https://github.com/mpastell/Weave.jl/tree/master/examples)

src/format.jl

@@ -13,6 +13,7 @@ function format(doc::WeaveDoc)
     get!(formatdict, :fig_pos, nothing)
     get!(formatdict, :fig_env, nothing)
 
+    docformat.formatdict[:cwd] = doc.cwd #pass wd to figure formatters
 
     for chunk in copy(doc.chunks)
         result = format_chunk(chunk, formatdict, docformat)
@@ -76,6 +77,8 @@ function format_chunk(chunk::CodeChunk, formatdict, docformat)
         chunk.content = indent(chunk.content, formatdict[:indent])
     end
 
+    chunk.content = format_code(chunk.content, docformat)
+
     if !chunk.options[:eval]
         if chunk.options[:echo]
             result = "$(formatdict[:codestart])$(chunk.content)\n$(formatdict[:codeend])"
@@ -92,8 +95,7 @@ function format_chunk(chunk::CodeChunk, formatdict, docformat)
 
     if chunk.options[:echo]
       #Convert to output format and highlight (html, tex...) if needed
-        formatted_code = format_code(chunk.content, docformat)
+        result = "$(formatdict[:codestart])$(chunk.content)\n$(formatdict[:codeend])\n"
-        result = "$(formatdict[:codestart])$(formatted_code)\n$(formatdict[:codeend])\n"
     else
         result = ""
     end
@@ -127,7 +129,6 @@ function format_chunk(chunk::CodeChunk, formatdict, docformat)
         end
     end
 
-
     return result
 end
 

src/formatters.jl

@@ -119,6 +119,19 @@ type MultiMarkdown
   formatdict::Dict{Symbol,Any}
 end
 
+function img_to_base64(fig, ext, cwd)
+  f = open(joinpath(cwd, fig), "r")
+    raw = read(f)
+  close(f)
+  if ext == ".png"
+    return "data:image/png;base64," * stringmime(MIME("image/png"), raw)
+  elseif ext == ".svg"
+    return "data:image/svg+xml;base64," * stringmime(MIME("image/svg+xml"), raw)
+  else
+    return(fig)
+  end
+end
+
 function formatfigures(chunk, docformat::JMarkdown2HTML)
     fignames = chunk.figures
     caption = chunk.options[:fig_cap]
@@ -135,11 +148,16 @@ function formatfigures(chunk, docformat::JMarkdown2HTML)
     (attribs != "" && height != nothing ) && (attribs *= ",")
     height == nothing  || (attribs *= " height=\"$height\" ")
 
-    if f_env != nothing
+    if caption != nothing
         result *= """<figure>\n"""
     end
 
     for fig = fignames
+      ext = splitext(fig)[2]
+      if ext == ".png" || ext == ".svg"
+        fig = img_to_base64(fig, ext, docformat.formatdict[:cwd])
+      end
+
       figstring *= """<img src="$fig" $attribs />\n"""
     end
 
@@ -151,17 +169,13 @@ function formatfigures(chunk, docformat::JMarkdown2HTML)
           """
     end
 
-    if f_env != nothing
+    if caption != nothing
         result *= "</figure>\n"
     end
 
    return result
 end
 
-
-
-
-
 const multimarkdown = MultiMarkdown("MultiMarkdown",
                         Dict{Symbol,Any}(
                                 :codestart => "````julia",
@@ -320,7 +334,7 @@ end
 function formatfigures(chunk, docformat::MultiMarkdown)
     fignames = chunk.figures
     caption = chunk.options[:fig_cap]
-    result = ""J
+    result = ""
     figstring = ""
 
     if chunk.options[:out_width] == nothing