return new Promise((resolve, reject) => {
let buffer = canvasBuffer(canvas, 'image/png');
let fileName = name + ".png";
fs.writeFile(path.resolve(acc.path, fileName), buffer, function (err) {
if (err) {
console.error('Error writing ' + fileName, err);
reject();
} else {
resolve();
}
});
});
function createImg (ev) {
if (ev) {
endangle = start;
remote.getCurrentWindow().hide();
}
count = countDown.value * 6;
var canvas = document.createElement('canvas');
canvas.width = 40;
canvas.height = 40;
var context = canvas.getContext('2d');
context.moveTo(cx, cy);
context.arc(cx, cy, radius, startangle, endangle);
context.lineTo(cx, cy);
if (endangle >= 3 / 2 * Math.PI) {
new Notification(options.title, options);
// context.strokeStyle="#ff0000";
}
context.stroke(); // or context.fill()
// context.scale(0.5, 0.5);
var buffer = canvasBuffer(canvas, 'image/png');
// var img = nativeImage.createFromBuffer(buffer).toDataURL();
ipcRenderer.send('asynchronous-message', buffer, count, endangle);
}
const toBuffer = require('electron-canvas-to-buffer')
const canvas = document.createElement('canvas')
const context = canvas.getContext('2d')
const width = canvas.width
const height = canvas.height
const gradient = context.createLinearGradient(0, 0, width, 0)
gradient.addColorStop(0, '#f39821')
gradient.addColorStop(1, '#f321b0')
context.fillStyle = gradient
context.fillRect(0, 0, width, height)
process.stdout.write(toBuffer(canvas, 'image/png'))
window.close()
// hihat render.js --node --exec > image.png
// says --voice=daniel 'bond, james bond'
saveCanvasToPNG: function(path, canvas) {
let buffer = ec2b(canvas);
fs.writeFile(path, buffer);
},
}).on('complete', function (canvas) {
var buffer = toBuffer(canvas, 'image/png');
process.stdout.write(buffer, function () {
window.close();
});
});