From 706651c178043c185c44af3ffa73296f7c59d62c Mon Sep 17 00:00:00 2001
From: Knut Ahlers <knut@ahlers.me>
Date: Thu, 28 Jul 2016 23:28:19 +0200
Subject: [PATCH] initial version

---
 Dockerfile | 12 ++++++++++++
 index.js   | 37 +++++++++++++++++++++++++++++++++++++
 run.sh     | 18 ++++++++++++++++++
 3 files changed, 67 insertions(+)
 create mode 100644 Dockerfile
 create mode 100644 index.js
 create mode 100755 run.sh

diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..16c7987
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,12 @@
+FROM nolimitid/node-phantom
+
+RUN set -ex \
+ && apt-get update \
+ && apt-get install -y imagemagick
+
+VOLUME ["/data"]
+ENTRYPOINT ["/usr/local/bin/run.sh"]
+CMD []
+
+ADD index.js /src/index.js
+ADD run.sh /usr/local/bin/run.sh
diff --git a/index.js b/index.js
new file mode 100644
index 0000000..20e70a5
--- /dev/null
+++ b/index.js
@@ -0,0 +1,37 @@
+var page = require('webpage').create(),
+    system = require('system');
+
+browser_width = 2560
+browser_height = browser_width / 297 * 210
+
+page.viewportSize = { width: browser_width, height: browser_height };
+page.settings.webSecurityEnabled = false
+page.settings.resourceTimeout = 5000
+page.settings.localToRemoteUrlAccessEnabled = true
+
+if (system.args.length !== 4) {
+  console.log('Usage: '+system.args[0]+' <zoom> <lat> <lon>');
+  phantom.exit();
+}
+
+var url = [
+  'http://openfiremap.org/',
+  '?zoom=', system.args[1],
+  '&lat=', system.args[2],
+  '&lon=', system.args[3],
+  '&layers=B0000TF',
+].join('');
+
+console.log("Fetching URL " + url);
+
+page.open(url, function(status) {
+  if (status !== 'success') {
+    console.log('Unable to load the address!');
+    phantom.exit();
+  } else {
+    window.setTimeout(function () {
+      page.render('/data/shot.png');
+      phantom.exit();
+    }, 5000); // Change timeout as required to allow sufficient time
+  }
+});
diff --git a/run.sh b/run.sh
new file mode 100755
index 0000000..9700565
--- /dev/null
+++ b/run.sh
@@ -0,0 +1,18 @@
+#!/bin/bash -ex
+
+DPI=150
+W=1754 # 150 x 11.69
+H=1241 # 150 x  8.27
+
+/usr/bin/phantomjs /src/index.js "$@"
+
+TARGET="map_$(date +%Y-%m-%d_%H-%M)"
+mv /data/shot.png /data/${TARGET}.png
+
+#exec convert /data/${TARGET}.png -compress jpeg -quality 90 \
+#  -resize ${W}x${H} -density ${DPI} \
+#  -repage ${W}x${H} /data/${TARGET}.pdf
+exec convert /data/${TARGET}.png -compress jpeg -quality 90 \
+  -resize ${W}x${H} -gravity center -extent ${W}x${H} \
+  -units PixelsPerInch -set density ${DPI} \
+  -repage ${W}x${H} /data/${TARGET}.pdf