private void TakeScreenshot()
{
if (!this.GetVirtualMachine())
{
return;
}
this.LogTaskMessage(string.Format(CultureInfo.CurrentCulture, "Taking screenshot of: {0}", this.Name));
VMDisplay display = this.virtualMachine.Display;
if (display != null)
{
object thumbnailObject = display.Thumbnail;
object[] thumbnail = (object[])thumbnailObject;
using (Bitmap bmp = new Bitmap(64, 48, PixelFormat.Format32bppRgb))
{
for (int y = 0; y < bmp.Height; y++)
{
for (int x = 0; x < bmp.Width; x++)
{
uint pixel = (uint)thumbnail[(y * bmp.Width) + x];
int b = (int)((pixel & 0xff000000) >> 24);
int g = (int)((pixel & 0x00ff0000) >> 16);
int r = (int)((pixel & 0x0000ff00) >> 8);
bmp.SetPixel(x, y, Color.FromArgb(r, g, b));
}
}
bmp.Save(this.FileName.ItemSpec);
}
}
}
public static Bitmap GenerateThumbnail(VMDisplay vmdisplay)
{
Bitmap thumbnail = null;
// Count total number of pixels of the thumbnail. Can I use 64x48x4 directly?
int count = 0;
foreach (Object image in (IEnumerable)vmdisplay.Thumbnail)
{
count++;
}
// Get a byte array to store the bitmap. Initial values are 0.
// Every element has 4 bytes. Plus a 54 bytes Bitmap header.
byte[] bitmapdata = new Byte[count * 4 + 54];
// Bitmap header.
bitmapdata[0] = 66;
bitmapdata[1] = 77;
bitmapdata[2] = 54;
bitmapdata[3] = 36;
bitmapdata[10] = 54;
bitmapdata[14] = 40;
bitmapdata[18] = 64; // Image width
bitmapdata[22] = 48; // Image height
bitmapdata[26] = 1;
bitmapdata[28] = 24; // Bit depth
bitmapdata[35] = 36;
int pixIndex = 54;
long pixel = 0;
foreach (Object image in (IEnumerable)vmdisplay.Thumbnail)
{
// Every pixel has 4 bytes. Ignore the last one.
pixel = long.Parse(image.ToString());
bitmapdata[pixIndex] = byte.Parse((pixel & 4278190080) / 16777216 + "");
bitmapdata[pixIndex + 1] = byte.Parse((pixel & 16711680) / 65536 + "");
bitmapdata[pixIndex + 2] = byte.Parse((pixel & 65280) / 256 + "");
pixIndex += 3;
}
System.IO.MemoryStream streamBitmap = new System.IO.MemoryStream(bitmapdata);
thumbnail = new Bitmap((Bitmap)Image.FromStream(streamBitmap));
// Rotate and flip the image
thumbnail.RotateFlip(RotateFlipType.Rotate180FlipX);
return(thumbnail);
}
private void TakeScreenshot()
{
this.Success.Set(this.ActivityContext, false);
this.LogBuildMessage(string.Format(CultureInfo.CurrentCulture, "Taking screenshot of: {0}", this.VMName.Get(this.ActivityContext)));
if (string.IsNullOrEmpty(this.FileName.Get(this.ActivityContext)))
{
this.LogBuildError("No filename provided");
return;
}
if (!this.GetVirtualMachine())
{
return;
}
VMDisplay display = this.virtualMachine.Display;
if (display != null)
{
object thumbnailObject = display.Thumbnail;
object[] thumbnail = (object[])thumbnailObject;
using (Bitmap bmp = new Bitmap(64, 48, PixelFormat.Format32bppRgb))
{
for (int y = 0; y < bmp.Height; y++)
{
for (int x = 0; x < bmp.Width; x++)
{
uint pixel = (uint)thumbnail[(y * bmp.Width) + x];
int b = (int)((pixel & 0xff000000) >> 24);
int g = (int)((pixel & 0x00ff0000) >> 16);
int r = (int)((pixel & 0x0000ff00) >> 8);
bmp.SetPixel(x, y, Color.FromArgb(r, g, b));
}
}
bmp.Save(this.FileName.Get(this.ActivityContext));
this.Success.Set(this.ActivityContext, true);
}
}
}
