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font-packer.js
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font-packer.js
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var fonts = require('./zpl-fonts');
var fs = require('fs');
var base64 = require('./base64');
var output = {};
for (var f_id in fonts) {
var font = fonts[f_id];
var firstCharacter = font.characters[0];
var width = firstCharacter[0].length;
var height = firstCharacter.length;
output[f_id] = {
name: font.name,
spacing: font.spacing,
size: {
width: width,
height: height
},
base64: {},
};
for (var c_id in font.characters) {
var character = font.characters[c_id];
var blocks = [];
for (var y = 0; y < height; y++) {
var row = character[y];
for (var x = 0; x < width; x++) {
blocks.push(row[x]);
}
}
var value = base64.encode(blocks);
output[f_id].base64[c_id] = value;
}
}
var output = JSON.stringify(output, null, 2);
output = output.substring(1, output.length - 2);
var outputJson = `
var base64 = require('./base64');
function initialize() {
for (var f_id in self) {
var character = self[f_id];
if (character.spacing == undefined)
{
continue;
}
character.characters = {};
for (var c_id in character.base64) {
var blocks = base64.decode(character.base64[c_id]);
character.characters[c_id] = [];
for (var y = 0; y < character.size.height; y++) {
character.characters[c_id][y] = [];
for (var x = 0; x < character.size.width; x++) {
var index = (y * character.size.width) + x;
character.characters[c_id][y].push(blocks[index]);
}
}
}
}
}
var self = module.exports = {
initialize: initialize,
` + output + `
}`;
fs.writeFile("b64-fonts.js", outputJson, function(err, data) {
if (err) console.log(err);
console.log("Successfully Written to File.");
});