Change alignment of fonts on server-side generation (see #15)

srv.js

@@ -64,23 +64,56 @@ app.use(function(req, res, next) {
   next();
 });
 
-// {name: filepath}
+// {name: {filepath, offset}}
 let fonts = {
-  'FiraSans': 'FiraSans-Regular.otf',
-  'bilbo-inc': 'BilboINC.ttf',
-  'bluu-next': 'BluuNext-Bold.otf',
-  'combat': 'Combat.otf',
-  'gulax': 'Gulax.otf',
-  'lineal': 'Lineal.otf',
-  'resistance': 'Resistance.otf',
-  'savate': 'savate-regular.otf',
-  'solid-mirage': 'SolideMirageMono.otf',
-  'steps-mono': 'Steps-Mono.otf',
-  'terminal': 'terminal-grotesque_open.otf'
+  'FiraSans': {
+    path: 'FiraSans-Regular.otf',
+    offset: 0
+  },
+  'bilbo-inc': {
+    path: 'BilboINC.ttf',
+    offset: 10
+  },
+  'bluu-next': {
+    path: 'BluuNext-Bold.otf',
+    offset: 0
+  },
+  'combat': {
+    path: 'Combat.otf',
+    offset: 0
+  },
+  'gulax': {
+    path: 'Gulax.otf',
+    offset: 10
+  },
+  'lineal': {
+    path: 'Lineal.otf',
+    offset: 4
+  },
+  'resistance': {
+    path: 'Resistance.otf',
+    offset: 2
+  },
+  'savate': {
+    path: 'savate-regular.otf',
+    offset: 10
+  },
+  'solid-mirage': {
+    path: 'SolideMirageMono.otf',
+    offset: 0
+  },
+  'steps-mono': {
+    path: 'Steps-Mono.otf',
+    offset: 10
+  },
+  'terminal': {
+    path: 'terminal-grotesque_open.otf',
+    offset: 15
+  }
 };
 
 for (let i in fonts) {
-  Canvas.registerFont('./static/fonts/' + fonts[i], {family: i});
+  Canvas.registerFont('./static/fonts/' + fonts[i].path, {family: i});
 }
 Canvas.registerFont('./static/fonts/FiraSans-Bold.otf', {family: 'FiraSans', weight: 'bold'});
 
@@ -125,7 +158,7 @@ app.get('/generate.png', function (req, res) {
   ctx.fillText(_('et libertés.'), width * 0.08, height * 0.2 + fontSize * 2.8);
   ctx.font = fontSize + 'pt ' + req.args.font;
   ctx.fillStyle = req.args.fgColor;
-  ctx.fillText(req.args.text, width * 0.08, height * 0.2 + fontSize * 1.4);
+  ctx.fillText(req.args.text, width * 0.08, height * 0.2 + fontSize * 1.4 + fonts[req.args.font].offset);
 
   // Add footer
   ctx.fillStyle = 'white';