public static async Task CaptureScreenTillEnd(this ChromiumObject obj)
{
do
{
await obj.CaptureScreenAndScroll();
} while (!await obj.IsEndScroll());
}
private static async Task <bool> IsEndScroll(this ChromiumObject obj)
{
//Scroll position Y-axis
var curScrollPos = double.Parse((await obj.Browser.EvaluateScriptAsync("window.scrollY")).Result.ToString());
//Not 100% correct, '1' is for rounding value
return(obj.ViewHeight + curScrollPos + 1 > obj.TotalHeight);
}
public static async Task <Bitmap> TakeScreenshot(this ChromiumObject obj)
{
await Task.Delay(2000);
var printscreen = new Bitmap(obj.Browser.Width, obj.Browser.Height);
var gp = Graphics.FromImage(printscreen);
gp.CopyFromScreen(0, 0, 0, 0, printscreen.Size, CopyPixelOperation.SourceCopy);
await Task.Delay(2000);
return(printscreen);
}
public MainForm(string imgOrHtml, string url = null)
{
InitializeComponent();
_chromiumObject = new ChromiumObject(url, this, imgOrHtml);
}
public static ChromiumObject To(this Bitmap bitmap, IList <Bitmap> bitmaps, ChromiumObject obj)
{
bitmaps.Add(bitmap);
return(obj);
}
public static async Task <ChromiumObject> ScrollNextViewHeight(this ChromiumObject obj)
{
await obj.Browser.EvaluateScriptAsync($"window.scrollTo(0, window.scrollY + {obj.ViewHeight});");
return(obj);
}
public static async Task CaptureScreenAndScroll(this ChromiumObject obj)
{
await(await obj.TakeScreenshot())
.To(obj._screenshots, obj)
.ScrollNextViewHeight();
}