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