I found an example, but this example use a "Int32Rect", class of System.Windows, we can't use this library for android or ios
For bitmap, i use the System.Drawing.Common
public static System.Drawing.Bitmap BitmapSourceToBitmap2(BitmapSource srs) { int width = srs.PixelWidth; int height = srs.PixelHeight; int stride = width * ((srs.Format.BitsPerPixel + 7) / 8); IntPtr ptr = IntPtr.Zero; try { ptr = Marshal.AllocHGlobal(height * stride); srs.CopyPixels(new Int32Rect(0, 0, width, height), ptr, height * stride, stride); using (var btm = new System.Drawing.Bitmap(width, height, stride, System.Drawing.Imaging.PixelFormat.Format1bppIndexed, ptr)) { // Clone the bitmap so that we can dispose it and // release the unmanaged memory at ptr return new System.Drawing.Bitmap(btm); } } finally { if (ptr != IntPtr.Zero) Marshal.FreeHGlobal(ptr); } } So, how to convert ImageSource to Bitmap for cross-platform project?
I tried to follow guide, there was incomplete information in it and I tried to fill in the understatement on my own
The project even compiles! However, when I try to get the result from the GetBitmapFromImageSourceAsync (…) method, the application freezes (infinite loop)
var test = GetBitmapFromImageSourceAsync(image, Android.App.Application.Context); var bitmap = test.Result; Please see why it does not work? Or please give me a link to your project and I’ll figure it out