public static async Task <Screenshot?> CaptureSelection(HSSettings settingsContext)
{
if (settingsContext == null)
{
throw new ArgumentNullException(nameof(settingsContext));
}
Debug.Assert(!SelectionSemaphore.IsInAreaSelection);
if (SelectionSemaphore.IsInAreaSelection)
{
return(null);
}
using var prio = new ProcessPriorityRequest();
var(screen, cursorPosition) = ScreenshotCreator.CaptureScreenshot(SystemInformation.VirtualScreen, settingsContext.CaptureCursor);
using var selector = AreaSelector.Create(screen, true, settingsContext);
var(selectedArea, _) = await selector.PromptSelectionAsync().ConfigureAwait(true);
Debug.Assert(selectedArea.Width > 0);
Debug.Assert(selectedArea.Height > 0);
var selectedImage = new Bitmap(selectedArea.Width, selectedArea.Height);
var cursorPositionOnSelectedImage = cursorPosition == null
? null
: cursorPosition with {
OnImage = new Point(cursorPosition.OnImage.X - selectedArea.X, cursorPosition.OnImage.Y - selectedArea.Y)
};
using var g = Graphics.FromImage(selectedImage);
g.DrawImage(screen, new Rectangle(0, 0, selectedArea.Width, selectedArea.Height), selectedArea, GraphicsUnit.Pixel);
return(Screenshot.FromImage(selectedImage, cursorPosition, ScreenshotSource.Selected));
}
}
public static Screenshot CaptureFullScreen(HSSettings settingsContext)
{
using var prio = new ProcessPriorityRequest();
var(screen, cursorPosition) = ScreenshotCreator.CaptureScreenshot(SystemInformation.VirtualScreen, settingsContext.CaptureCursor);
return(Screenshot.FromImage(screen, cursorPosition, ScreenshotSource.Fullscreen));
}
