Added Japanese auto-translations as per #1311 (comment)

Author: gfwilliams

bin/language_render.js

@@ -0,0 +1,58 @@
+#!/bin/node
+/*
+  Takes language files that have been written with unicode chars that Bangle.js cannot render
+  with its built-in fonts, and pre-render them.
+*/
+
+const FONT_SIZE = 18;
+
+var createCanvas;
+try {
+  createCanvas = require("canvas").createCanvas;
+} catch(e) {
+  console.log("ERROR: needc canvas library");
+  console.log("Try: npm install canvas");
+  process.exit(1);
+}
+// we could use registerFont here to ensure a consitent experience?
+
+var imageconverter  = require(__dirname+"/../webtools/imageconverter.js");
+
+const canvas = createCanvas(200, 20)
+const ctx = canvas.getContext('2d')
+
+function renderText(txt) {
+  ctx.clearRect(0, 0, canvas.width, canvas.height);
+  ctx.font = FONT_SIZE+'px Sans';
+  ctx.fillStyle = "white";
+  ctx.fillText(txt, 0, FONT_SIZE);
+  var str = imageconverter.canvastoString(canvas, { autoCrop:true, output:"raw", mode:"1bit", transparent:true } );
+  // for testing: 
+  //console.log("g.drawImage(",imageconverter.canvastoString(canvas, { autoCrop:true, output:"string", mode:"1bit" } ),");");
+  //process.exit(1);
+  return "\0"+str;
+}
+
+function renderLangFile(file) {
+  var fileIn = __dirname + "/../lang/unicode-based/"+file;
+  var fileOut = __dirname + "/../lang/"+file;
+  console.log("Reading",fileIn);
+  var inJSON = JSON.parse(require("fs").readFileSync(fileIn));
+  var outJSON = { "// created with bin/language_render.js" : ""};
+  for (var categoryName in inJSON) {
+    if (categoryName.includes("//")) continue;
+    var category = inJSON[categoryName];
+    outJSON[categoryName] = {};
+    for (var english in category) {
+      if (english.includes("//")) continue;
+      var translated = category[english];
+      //console.log(english,"=>",translated);
+      outJSON[categoryName][english] = renderText(translated);
+    }
+  }
+  require("fs").writeFileSync(fileOut, JSON.stringify(outJSON,null,2));
+  console.log("Written",fileOut);
+}
+
+
+renderLangFile("ja_JA.json");

lang/index.json

@@ -24,5 +24,6 @@
   {"code":"sk_SK","name":"Slovak","url":"sk_SK.json"},
   {"code":"sl_SL","name":"Slovenian","url":"sl_SL.json"},
   {"code":"nn_NO","name":"Norwegian (Nynorsk)","url":"nn_NO.json"},
-  {"code":"hr_HR","name":"Croatian","url":"hr_HR.json"}
+  {"code":"hr_HR","name":"Croatian","url":"hr_HR.json"},
+  {"code":"ja_JA","name":"Japanese (beta)","url":"ja_JA.json"}  
 ]