public static BitmapSource BitmapSourceFromBitmap(Bitmap bitmap)
{
if (bitmap == null)
{
return(null);
}
using (var bitmapLocker = new BitmapLocker(bitmap))
{
int num = Math.Abs(bitmapLocker.BitmapData.Stride);
int length = bitmap.Height * num;
byte[] numArray = new byte[length];
if (bitmapLocker.BitmapData.Stride > 0)
{
Marshal.Copy(bitmapLocker.BitmapData.Scan0, numArray, 0, length);
}
else
{
IntPtr scan0 = bitmapLocker.BitmapData.Scan0;
for (int index = 0; index < bitmap.Height; ++index)
{
Marshal.Copy(scan0, numArray, index * num, num);
scan0 -= num;
}
}
Int32Rect sectionRect = new Int32Rect(0, 0, bitmap.Width, bitmap.Height);
switch (bitmap.PixelFormat)
{
case System.Drawing.Imaging.PixelFormat.Format24bppRgb:
numArray = ExtractPixelSection(numArray, 24, num, sectionRect);
break;
case System.Drawing.Imaging.PixelFormat.Format32bppRgb:
numArray = ExtractPixelSection(numArray, 32, num, sectionRect);
break;
}
BitmapSource bitmapSource = BitmapSource.Create(bitmap.Width, bitmap.Height, DpiHelper.Default.LogicalDpiX, DpiHelper.Default.LogicalDpiY, PixelFormats.Bgra32, null, numArray, num);
bitmapSource.Freeze();
return(bitmapSource);
}
}
public static Bitmap BitmapFromBitmapSource(BitmapSource bitmapSource)
{
if (bitmapSource == null)
{
return(null);
}
System.Drawing.Imaging.PixelFormat format;
if (bitmapSource.Format == PixelFormats.Bgra32)
{
format = System.Drawing.Imaging.PixelFormat.Format32bppArgb;
}
else if (bitmapSource.Format == PixelFormats.Bgr32)
{
format = System.Drawing.Imaging.PixelFormat.Format32bppRgb;
}
else if (bitmapSource.Format == PixelFormats.Pbgra32)
{
format = System.Drawing.Imaging.PixelFormat.Format32bppPArgb;
}
else
{
System.Windows.Media.PixelFormat bgra32 = PixelFormats.Bgra32;
return(BitmapFromBitmapSource(new FormatConvertedBitmap(bitmapSource, bgra32, null, 0.0)));
}
int pixelWidth = bitmapSource.PixelWidth;
int pixelHeight = bitmapSource.PixelHeight;
int stride = pixelWidth * (bitmapSource.Format.BitsPerPixel / 8);
Bitmap bitmap = new Bitmap(pixelWidth, pixelHeight, format);
using (BitmapLocker bitmapLocker = new BitmapLocker(bitmap, ImageLockMode.ReadWrite))
{
int[] source = new int[pixelWidth * pixelHeight];
bitmapSource.CopyPixels(source, stride, 0);
Marshal.Copy(source, 0, bitmapLocker.BitmapData.Scan0, source.Length);
}
return(bitmap);
}
