bitmapsource – Tarik Billa

How to save a WPF BitmapSource image to a file?

June 13, 2023 by Tarik

You need to use an encoder (subclass of BitmapEncoder). For instance, to save it to the PNG format, you do something like that : public static void SaveClipboardImageToFile(string filePath) { var image = Clipboard.GetImage(); using (var fileStream = new FileStream(filePath, FileMode.Create)) { BitmapEncoder encoder = new PngBitmapEncoder(); encoder.Frames.Add(BitmapFrame.Create(image)); encoder.Save(fileStream); } } By the way, note … Read more

Is there a good way to convert between BitmapSource and Bitmap?

May 6, 2023 by Tarik

It is possible to do without using unsafe code by using Bitmap.LockBits and copy the pixels from the BitmapSource straight to the Bitmap Bitmap GetBitmap(BitmapSource source) { Bitmap bmp = new Bitmap( source.PixelWidth, source.PixelHeight, PixelFormat.Format32bppPArgb); BitmapData data = bmp.LockBits( new Rectangle(Point.Empty, bmp.Size), ImageLockMode.WriteOnly, PixelFormat.Format32bppPArgb); source.CopyPixels( Int32Rect.Empty, data.Scan0, data.Height * data.Stride, data.Stride); bmp.UnlockBits(data); return bmp; }