Function resizeImage

docs/app/js/sanddance-app.js:99385–99392

(ctx, imageData, width, height)

    return Math.pow(2, Math.ceil(Math.log2(number)));
}
function resizeImage(ctx, imageData, width, height) {
    if (width === imageData.width && height === imageData.height) return imageData;
    ctx.canvas.height = height;
    ctx.canvas.width = width;
    ctx.clearRect(0, 0, ctx.canvas.width, ctx.canvas.height);
    ctx.drawImage(imageData, 0, 0, imageData.width, imageData.height, 0, 0, width, height);
    return ctx.canvas;
}
function getIconId(icon) {
    return icon && (icon.id || icon.url);
}