Bitmap転送ImageSource
1400 ワード
bitmap to bytes
bytes to bitmap
転載先:https://www.cnblogs.com/HaibaraAi/p/6951352.html
Bitmap b = new Bitmap( "test.bmp ");
MemoryStream ms = new MemoryStream();
b.Save(ms,System.Drawing.Imaging.ImageFormat.Bmp);
byte[] bytes= ms.GetBuffer(); //byte[] bytes= ms.ToArray(); , ,
ms.Close();
bytes to bitmap
byte[] bytelist=bytes;
MemoryStream ms1 = new MemoryStream(bytelist);
Bitmap bm = (Bitmap)Image.FromStream(ms1);
ms1.Close();
public static ImageSource ChangeBitmapToImageSource(Bitmap bitmap)
{
//Bitmap bitmap = icon.ToBitmap();
IntPtr hBitmap = bitmap.GetHbitmap();
// , , background, gdi32.dll DeleteObject
ImageSource wpfBitmap = System.Windows.Interop.Imaging.CreateBitmapSourceFromHBitmap(
hBitmap,
IntPtr.Zero,
Int32Rect.Empty,
BitmapSizeOptions.FromEmptyOptions());
if (!DeleteObject(hBitmap))
{
throw new System.ComponentModel.Win32Exception();
}
return wpfBitmap;
}
var img = new ImageBrush();
img.ImageSource = new BitmapImage(new Uri($"{AppDomain.CurrentDomain.BaseDirectory}\\xxx.bmp",
UriKind.Absolute));
bd.Background = img;
転載先:https://www.cnblogs.com/HaibaraAi/p/6951352.html