/// <summary>
/// Helper method that applies any pixel changes between the image version and the latest version
/// </summary>
/// <param name="canvas">Which canvas to apply changes to</param>
private void ApplyChangedPixelsToImage(CanvasImage canvasImage)
{
Canvas canvas = canvasImage.canvas;
// Get changed pixels
IEnumerable <PixelChange> pixelChanges = databaseContext.PixelChanges
.Where(p => p.CanvasVersion > canvas.ImageVersion && p.Canvas.Name == canvas.Name)
.OrderBy(p => p.CanvasVersion);
if (!pixelChanges.Any())
{
return;
}
// Update bitmap with changes
Bitmap bitmap = canvasImage.GetBitmap();
foreach (PixelChange pixelChange in pixelChanges)
{
bitmap.SetPixel(pixelChange.X, pixelChange.Y, ColorTranslator.FromHtml(pixelChange.Color));
//placeContext.PixelChanges.Remove(pixelChange);
}
canvasImage.SetBitmap(bitmap);
canvas.ImageVersion = pixelChanges.Last().CanvasVersion;
databaseContext.SaveChanges();
}