first commit

generate.js

@@ -0,0 +1,51 @@
+var fs = require('fs');
+var font  = require('./font.js');
+var TTFWriter = require('node-sfnt').TTFWriter;
+var TTF = require('node-sfnt').TTF;
+
+/**
+ * buffer转换成ArrayBuffer
+ * 
+ * @param {Buffer} buffer 缓冲数组
+ * @return {ArrayBuffer} 
+ */
+function toArrayBuffer(buffer) {
+    var length = buffer.length;
+    var view = new DataView(new ArrayBuffer(length), 0, length);
+    for (var i = 0, l = length; i < l; i++) {
+        view.setUint8(i, buffer[i], false);
+    }
+    return view.buffer;
+}
+
+/**
+ * ArrayBuffer转换成Buffer
+ * 
+ * @param {ArrayBuffer} arrayBuffer 缓冲数组
+ * @return {Buffer} 
+ */
+function toBuffer(arrayBuffer) {
+    var length = arrayBuffer.byteLength;
+    var view = new DataView(arrayBuffer, 0, length);
+    var buffer = new Buffer(length);
+    for (var i = 0, l = length; i < l; i++) {
+        buffer[i] = view.getUint8(i, false);
+    }
+    return buffer;
+}
+
+var options = {preserveOS2Version: true}
+
+function readttf(file) {
+    var data = fs.readFileSync(file);
+    var buffer = toArrayBuffer(data);
+    var ttf = (new OTFReader(options)).read(buffer);
+    return ttf;
+}
+
+function writettf(ttf, file){
+    var buffer = new TTFWriter(options).write(ttf);
+    fs.writeFileSync(file, toBuffer(buffer));
+}
+
+fs.writeFileSync(process.argv[2], toBuffer(new TTFWriter(options).write(font.font)));