EMF file support

.circleci/config.yml

@@ -61,7 +61,8 @@ jobs:
           name: Install deps
           command: |
             npm install
-            sudo apt-get install poppler-utils libgconf-2-4
+            sudo apt-get update
+            sudo apt-get install inkscape poppler-utils libgconf-2-4
       - run:
           name: List deps
           command: |
@@ -83,16 +84,16 @@ jobs:
   test-node-v6:
     <<: *base
     docker:
-      - image: circleci/node:6.14.1-browsers
+      - image: circleci/node:6.14-stretch-browsers
 
   test-node-v8:
     <<: *base
     docker:
-      - image: circleci/node:8.11.1-browsers
+      - image: circleci/node:8.11-stretch-browsers
 
   docker-build-and-push:
     docker:
-      - image: circleci/node:8.11.1-browsers
+      - image: circleci/node:8.11-stretch-browsers
     steps:
       - setup_remote_docker:
           reusable: true
@@ -138,7 +139,7 @@ jobs:
 
   electron-pack-and-release:
     docker:
-      - image: circleci/node:8.11.1-browsers
+      - image: circleci/node:8.11-stretch-browsers
     steps:
       - restore_cache:
           key: v1-source-{{ .Branch }}-{{ .Revision }}

README.md

@@ -36,7 +36,7 @@ $ npm install -g [email protected] orca
 
 which makes the `orca` executable available in your path.
 
-### Method 3: Standalone binaries 
+### Method 3: Standalone binaries
 
 Alternatively, you can download the standalone Orca binaries corresponding to
 your operating system from the
@@ -52,7 +52,7 @@ your operating system from the
 - A password dialog will appear asking for permission to add orca to your system `PATH`.
 - Enter you password and click _OK_.
 - This should open an _Installation Succeeded_ window.
-- Open a new terminal and verify that the orca executable is available on your `PATH`. 
+- Open a new terminal and verify that the orca executable is available on your `PATH`.
 
 ```
 $ which orca
@@ -100,7 +100,7 @@ to the AppImage.
 $ ln -s /path/to/orca-X.Y.Z-x86_64.AppImage /somewhere/on/PATH/orca
 ```
 
-- Open a new terminal and verify that the orca executable is available on your `PATH`. 
+- Open a new terminal and verify that the orca executable is available on your `PATH`.
 
 ```
 $ which orca
@@ -112,7 +112,7 @@ Plotly's image-exporting utilities
   Usage: orca [--version] [--help] <command> [<args>]
   ...
 ```
- 
+
 ##### Linux Troubleshooting: Cannot open shared object
 The Electron runtime depends a several common system libraries. These
 libraries are pre-installed in most desktop Linux distributions
@@ -157,7 +157,7 @@ Name this shell script `orca` and place it somewhere or your system `PATH`.
  - How to add directory to system path in Linux: https://www.computerhope.com/issues/ch001647.htm
  - AppImage: https://appimage.org/
  - Xvfb: https://en.wikipedia.org/wiki/Xvfb
- 
+
 ## Quick start
 
 From the command line:
@@ -286,14 +286,14 @@ Plotly's image server is dockerized and deployed here. See the `deployment/`
 
 ## System dependencies
 
-**If you don't care about exporting EPS you can skip this section.**
+**If you don't care about exporting EPS or EMF you can skip this section.**
 
-The environment you're installing this into may require Poppler for EPS exports.
+The environment you're installing this into may require Poppler for EPS exports and Inkscape for EMF exports.
 
 #### Poppler installation via Aptitude (used by some \*nix/BSD, e.g. Ubuntu)
 
 ```
-$ apt-get poppler-utils (requires `sudo` or root privileges)
+$ apt-get install poppler-utils (requires `sudo` or root privileges)
 ```
 
 #### Poppler installation via Homebrew (third-party package manager for Mac OS X)
@@ -302,6 +302,17 @@ $ apt-get poppler-utils (requires `sudo` or root privileges)
 $ brew install poppler
 ```
 
+#### Inkscape installation via Aptitude (used by some \*nix/BSD, e.g. Ubuntu)
+
+```
+$ apt-get install inkscape (requires `sudo` or root privileges)
+```
+
+#### Inkscape installation via Homebrew (third-party package manager for Mac OS X)
+
+```
+$ brew install inkscape
+```
 ## Contributing
 
 See

appveyor.yml

@@ -11,7 +11,7 @@ platform:
 #services:
 
 cache:
-  - node_modules
+  - node_modules -> package-lock.json
   - '%LOCALAPPDATA%\electron\Cache'
   - '%LOCALAPPDATA%\electron-builder\cache'
 

bin/args.js

@@ -28,6 +28,12 @@ exports.PLOTLYJS_OPTS_META = [{
   alias: ['MathJax'],
   dflt: '',
   description: `Sets path to MathJax files. Required to export LaTeX characters.`
+}, {
+  name: 'inkscape',
+  type: 'string',
+  alias: ['Inkscape'],
+  dflt: '',
+  description: `Sets path to Inkscape executable. Required to export WMF and EMF formats.`
 }, {
   name: 'safe-mode',
   type: 'boolean',

bin/graph.js

@@ -145,7 +145,8 @@ function main (args) {
           scale: opts.scale,
           width: opts.width,
           height: opts.height,
-          safeMode: opts.safeMode
+          safeMode: opts.safeMode,
+          inkscape: opts.inkscape
         }
       }
     })

bin/serve.js

@@ -73,7 +73,8 @@ function main (args) {
     mapboxAccessToken: opts['mapbox-access-token'],
     mathjax: opts.mathjax,
     topojson: opts.topojson,
-    safeMode: opts.safeMode
+    safeMode: opts.safeMode,
+    inkscape: opts.inkscape
   }
 
   function launch () {

deployment/Dockerfile

@@ -109,6 +109,13 @@ RUN cd /opt && \
     ln -s monit-* monit && \
     chmod 600 /etc/monitrc
 
+####################
+# Install latest stable Inkscape
+RUN apt-get update && apt-get install -y software-properties-common python-software-properties \
+    && add-apt-repository -y ppa:inkscape.dev/stable \
+    && apt-get update && apt-get install -y inkscape \
+    && rm -rf /var/lib/apt/lists/* && apt-get clean
+
 ####################
 # Add entrypoint script
 COPY deployment/run_server /