Add japanese support

Reviewed-on: hswaw/labelmaker#5

Dockerfile

@@ -27,6 +27,9 @@ RUN apt-get update && apt-get upgrade -y \
     libpq-dev \
     libpango-1.0.0 \
     libpangocairo-1.0.0 \
+    # Installing Japaneese fonts (because it's fun)
+    fonts-noto-cjk \
+    fonts-vlgothic \
 
   # Installing `poetry`:
   && curl -sSL 'https://install.python-poetry.org' | python - \

labelmaker/main.py

@@ -48,8 +48,8 @@ class Renderer(object):
         context.paint()
         return new_surface.write_to_png()
 
-    def render_text(self, text, fontname, x, y, html=False):
-        print("Fontname:", fontname)
+    def render_text(self, text, fontname, size, x, y, html=False):
+        print(f"Fontname: {fontname} {size}")
         self.context.save()
         if y != -1:
             self.context.translate(x, y)
@@ -59,10 +59,10 @@ class Renderer(object):
         layout._set_alignment(pango.Alignment.CENTER)
         if html:
             # Absolutely horrifying hack to fix broken text wrapping
-            layout.apply_markup('<span font_desc="%s">%s</span>' % (fontname, text))
+            layout.apply_markup('<span font_desc="%s %s">%s</span>' % (fontname, size, text))
         else:
-            self.font.family = fontname.split()[0]
-            self.font.size = pango.units_from_double(int(fontname.split()[1]))
+            self.font.family = fontname
+            self.font.size = pango.units_from_double(size)
 
             layout.font_description = self.font
             layout.text = text
@@ -84,7 +84,7 @@ def stuff_preview(size):
     text = flask.request.args.get('text')
     html = flask.request.args.get('html') == '1'
     renderer = Renderer()
-    renderer.render_text(text, 'Sans {}'.format(size), 0, -1, html)
+    renderer.render_text(text, 'Noto Sans CJK JP', size, 0, -1, html)
 
     preview = renderer.get_preview()
     return flask.Response(preview, mimetype='image/png')
@@ -95,7 +95,7 @@ def stuff_print(size):
     text = flask.request.args.get('text')
     html = flask.request.args.get('html') == '1'
     renderer = Renderer()
-    renderer.render_text(text, 'Sans {}'.format(size), 0, -1, html)
+    renderer.render_text(text, 'Noto Sans CJK JP', size, 0, -1, html)
 
     data = renderer.surface.write_to_png()
     response = requests.post(

labelmaker/templates/index.html

@@ -88,6 +88,11 @@
 $ curl http://label.hackerspace.pl/api/preview/60/?text=foobar&html=0 | feh -
 $ # To print the label
 $ curl -d "" http://label.hackerspace.pl/api/print/60/?text=foobar&amp;html=0</pre>
+                <p>
+                    <b>See also:</b><br>
+                    <a href="https://vector.label.hackerspace.pl">Vector Labelmaker</a><br>
+                    <a href="https://pixel.label.hackerspace.pl">Pixel Labelmaker</a>
+                </p>
             </div>
         </div>
     </div>