private void WaitToImagePaint(object sender, PaintUpdatedEventArgs e)
{
e.Cancel = true;
if (_miniblink.ViewWidth != _contentWidth || _miniblink.ViewHeight != _imageHeight)
{
return;
}
var height = _imageHeight;
var scrTop = _imageHeight;
var srcY = 0;
var isLast = false;
if ((_images.Count + 1) * _imageHeight >= _contentHeight)
{
height = _contentHeight - _images.Count * _imageHeight;
scrTop = height;
srcY = _imageHeight - height;
isLast = true;
}
var bmp = new Bitmap(_contentWidth, height);
using (var g = Graphics.FromImage(bmp))
{
WinApi.BitBlt(g.GetHdc(), 0, 0, bmp.Width, bmp.Height,
MBApi.wkeGetViewDC(_miniblink.MiniblinkHandle), 0, srcY,
(int)WinConst.SRCCOPY);
}
_images[_miniblink.ScrollTop] = bmp;
if (isLast)
{
_miniblink.PaintUpdated -= WaitToImagePaint;
_miniblink.ScrollTop = _scrollTopBak;
_miniblink.RunJs($"document.getElementsByTagName('body')[0].style.overflow='{_cssBak}'");
_miniblink.PaintUpdated += DisablePaintUpdated;
MBApi.wkeResize(_miniblink.MiniblinkHandle, (int)_miniblink.ActualWidth, (int)_miniblink.ActualHeight);
var ss = new ScreenshotImage(_contentWidth, _contentHeight, _images.Values);
_images.Clear();
_callback?.Invoke(ss);
_callback = null;
}
else
{
_miniblink.ScrollTop += scrTop;
}
}
private void DisablePaintUpdated(object sender, PaintUpdatedEventArgs e)
{
_miniblink.PaintUpdated -= DisablePaintUpdated;
e.Cancel = true;
}