private void WebBrowser_Paint(object sender, OnPaintEventArgs e)
{
// pixel data for the image: width * height * 4 bytes
// BGRA image with upper-left origin
int numberOfBytes = e.Height * e.Width * 4;
if (paintBitmap == null || numberOfBytes != paintBitmap.Length)
{
paintBufferSize = numberOfBytes;
paintBitmap = new byte[paintBufferSize];
Logr.Log("Paint buffer: Resizing to", paintBufferSize, "bytes");
}
try
{
Marshal.Copy(e.BufferHandle, paintBitmap, 0, paintBufferSize);
}
catch (AccessViolationException)
{
Logr.Log("WARN: Marshal copy failed: Access violation while reading frame buffer.");
}
this.runner.AddTask(new SendFrameTask(paintBitmap));
}
private void Browser_Paint(object sender, OnPaintEventArgs e)
{
var newbitmap = false;
int pixels = e.Width * e.Height, numberOfBytes = pixels * BytesPerPixel;
newbitmap = viewMemoryMappedFile == null || Height != e.Height || Width != e.Width;
try
{
ReleaseMemoryMappedView(ref viewMemoryMappedFile, ref viewMemoryMappedViewAccessor);
viewMemoryMappedFile = MemoryMappedFile.CreateNew(null, numberOfBytes, MemoryMappedFileAccess.ReadWrite);
viewMemoryMappedViewAccessor = viewMemoryMappedFile.CreateViewAccessor();
CopyMemory(viewMemoryMappedViewAccessor.SafeMemoryMappedViewHandle.DangerousGetHandle(), e.BufferHandle, (uint)numberOfBytes);
var backBufferHandle = viewMemoryMappedFile.SafeMemoryMappedFileHandle;
if (backBufferHandle.IsClosed || backBufferHandle.IsInvalid)
{
return;
}
var stride = e.Width * BytesPerPixel;
var bs = Imaging.CreateBitmapSourceFromMemorySection(backBufferHandle.DangerousGetHandle(), e.Width, e.Height, PixelFormat, stride, 0);
Screenshot = new Bitmap(e.Width, e.Height, System.Drawing.Imaging.PixelFormat.Format32bppPArgb);
System.Drawing.Imaging.BitmapData data = Screenshot.LockBits(new Rectangle(Point.Empty, Screenshot.Size), System.Drawing.Imaging.ImageLockMode.WriteOnly, System.Drawing.Imaging.PixelFormat.Format32bppPArgb);
bs.CopyPixels(System.Windows.Int32Rect.Empty, data.Scan0, data.Height * data.Stride, data.Stride);
SetBitmap(Screenshot, this);
GC.Collect(1);
}
catch { }
}
private void OnPaintEventHandler(object sender, OnPaintEventArgs e)
{
if (Debug)
{
DebugLog.Message("OnPaint");
}
OnPaintCount++;
return;
}
private void WebBrowser_OnPaint(object sender, OnPaintEventArgs e)
{
if (paintBitmap == null || e.NumberOfBytes != paintBitmap.Length)
{
paintBufferSize = e.NumberOfBytes;// this.webBrowser.Size.Width * this.webBrowser.Size.Height * e.BytesPerPixel;
paintBitmap = new byte[paintBufferSize];
Logr.Log("Paint buffer: Resizing to", paintBufferSize, "bytes");
}
try
{
Marshal.Copy(e.BufferHandle, paintBitmap, 0, paintBufferSize);
}
catch (AccessViolationException ex)
{
Logr.Log("WARN: Marshal copy failed: Access violation while reading frame buffer.");
}
this.runner.AddTask(new SendFrameTask(paintBitmap));
}
private void MonoCefBrowser_Paint(object sender, OnPaintEventArgs e)
{
if (e.DirtyRect.Width == 0 || e.DirtyRect.Height == 0)
{
return;
}
TotalTime.Start();
var bmp = this.ScreenshotOrNull(PopupBlending.Main);
Texture2D texture = null;
if (bmp != null)
{
texture = GetTexture(bmp, e.DirtyRect);
RenderCount++;
//Console.WriteLine($"{TotalTime.ElapsedMilliseconds / (double)RenderCount}");
}
TotalTime.Stop();
if (texture != null)
{
this.NewFrame?.Invoke(this, new NewFrameEventArgs(texture));
}
}
private void Browser_Paint(object sender, OnPaintEventArgs e)
{
Paint?.Invoke(e.BufferHandle, e.Width, e.Height);
}
