/// <summary>
/// Provides a server object for a screen stream.
/// </summary>
/// <param name="resolutions">Stream Resolution.</param>
/// <param name="fps">FPS.</param>
/// <param name="isDisplayCursor">Whether to display the cursor in screenshots.</param>
/// <returns>The object of the StreamingServer class.</returns>
public static StreamingServer GetInstance(Resolution.Resolutions resolutions,
Fps fps, bool isDisplayCursor)
{
lock (s_syncRoot)
{
s_serverInstance ??= new StreamingServer(resolutions, fps, isDisplayCursor);
}
return(s_serverInstance);
}
/// <summary>
/// Provides enumeration of screenshots.
/// </summary>
/// <param name="requiredResolution">Required screenshot resolution.</param>
/// <param name="isDisplayCursor">Whether to display the cursor in screenshots.</param>
/// <returns>Enumeration of screenshots.</returns>
public static IEnumerable <Image> TakeSeriesOfScreenshots(Resolution.Resolutions requiredResolution,
bool isDisplayCursor)
{
var screenSize = new Size(Screen.PrimaryScreen.Bounds.Width,
Screen.PrimaryScreen.Bounds.Height);
var requiredSize = Resolution.GetResolutionSize(requiredResolution);
var rawImage = new Bitmap(screenSize.Width, screenSize.Height);
var rawGraphics = Graphics.FromImage(rawImage);
bool isNeedToScale = screenSize != requiredSize;
var image = rawImage;
var graphics = rawGraphics;
if (isNeedToScale)
{
image = new Bitmap(requiredSize.Width, requiredSize.Height);
graphics = Graphics.FromImage(image);
}
var source = new Rectangle(0, 0, screenSize.Width, screenSize.Height);
var destination = new Rectangle(0, 0, requiredSize.Width, requiredSize.Height);
while (true)
{
rawGraphics.CopyFromScreen(0, 0, 0, 0, screenSize);
if (isDisplayCursor)
{
AddCursorToScreenshot(rawGraphics, source);
}
if (isNeedToScale)
{
graphics.DrawImage(rawImage, destination, source, GraphicsUnit.Pixel);
}
yield return(image);
}
}
/// <summary>
/// Initializes the fields and properties of the class for the screen stream.
/// </summary>
private StreamingServer(Resolution.Resolutions imageResolution, Fps fps, bool isDisplayCursor)
: this(Screenshot.Screenshot.TakeSeriesOfScreenshots(imageResolution, isDisplayCursor), fps)
{
}
