public override unsafe MaskedSurface TryGetMaskedSurface(IWin32Window window, IPdnDataObject clipData)
{
Surface result = null;
using (PaintDotNet.SystemLayer.Clipboard.Transaction transaction = PaintDotNet.SystemLayer.Clipboard.Open(window))
{
bool flag = transaction.TryGetRawNativeData(8, delegate(UnsafeBufferLock buffer) {
Size size;
byte *pBitmapInfo = (byte *)buffer.Address;
int ncbBitmapInfo = (int)buffer.Size;
if (PdnGraphics.TryGetBitmapInfoSize(pBitmapInfo, ncbBitmapInfo, out size))
{
Surface disposeMe = new Surface(size.Width, size.Height);
bool flag = false;
try
{
using (Bitmap bitmap = disposeMe.CreateAliasedBitmap(true))
{
flag = PdnGraphics.TryCopyFromBitmapInfo(bitmap, pBitmapInfo, ncbBitmapInfo);
}
disposeMe.DetectAndFixDishonestAlpha();
}
finally
{
if (flag)
{
result = disposeMe;
}
else
{
DisposableUtil.Free <Surface>(ref disposeMe);
}
}
}
});
}
return(ClipboardUtil.ClipboardRetriever.ConvertToMaskedSurface(ref result));
}
private static unsafe Surface GetClipboardImageAsSurface(IWin32Window currentWindow, IPdnDataObject clipData)
{
Image image = null;
Surface surface = null;
if (((image == null) && (surface == null)) && clipData.GetDataPresent(PdnDataObjectFormats.FileDrop))
{
try
{
string[] strArray = null;
using (PaintDotNet.SystemLayer.Clipboard.Transaction transaction = PaintDotNet.SystemLayer.Clipboard.Open(currentWindow))
{
strArray = transaction.TryGetFileDropData();
}
if ((strArray != null) && (strArray.Length == 1))
{
string fileName = strArray[0];
if (IsImageFileName(fileName) && File.Exists(fileName))
{
image = Image.FromFile(fileName);
surface = Surface.CopyFromGdipImage(image, false);
image.Dispose();
image = null;
}
}
}
catch (OutOfMemoryException)
{
throw;
}
catch (Exception)
{
}
}
if (((image == null) && (surface == null)) && clipData.GetDataPresent(PdnDataObjectFormats.Dib, true))
{
try
{
using (PaintDotNet.SystemLayer.Clipboard.Transaction transaction2 = PaintDotNet.SystemLayer.Clipboard.Open(currentWindow))
{
bool flag = transaction2.TryGetRawNativeData(8, delegate(UnsafeBufferLock buffer) {
Size size;
byte *pBitmapInfo = (byte *)buffer.Address;
int ncbBitmapInfo = (int)buffer.Size;
if (PdnGraphics.TryGetBitmapInfoSize(pBitmapInfo, ncbBitmapInfo, out size))
{
surface = new Surface(size.Width, size.Height);
bool flag = false;
try
{
using (Bitmap bitmap = surface.CreateAliasedBitmap(true))
{
flag = PdnGraphics.TryCopyFromBitmapInfo(bitmap, pBitmapInfo, ncbBitmapInfo);
}
surface.DetectAndFixDishonestAlpha();
}
finally
{
if ((surface != null) && !flag)
{
surface.Dispose();
surface = null;
}
}
}
});
}
}
catch (OutOfMemoryException)
{
throw;
}
catch (Exception)
{
}
}
if (((image == null) && (surface == null)) && (clipData.GetDataPresent(PdnDataObjectFormats.Bitmap, true) || clipData.GetDataPresent(PdnDataObjectFormats.EnhancedMetafile, true)))
{
try
{
image = clipData.GetData(PdnDataObjectFormats.Bitmap, true) as Image;
}
catch (OutOfMemoryException)
{
throw;
}
catch (Exception)
{
}
if (image == null)
{
try
{
using (PaintDotNet.SystemLayer.Clipboard.Transaction transaction3 = PaintDotNet.SystemLayer.Clipboard.Open(currentWindow))
{
image = transaction3.TryGetEmf();
Image image1 = image;
}
}
catch (OutOfMemoryException)
{
throw;
}
catch (Exception)
{
}
}
}
if (((image == null) && (surface == null)) && clipData.GetDataPresent("PNG", false))
{
try
{
bool flag2 = false;
using (PaintDotNet.SystemLayer.Clipboard.Transaction transaction4 = PaintDotNet.SystemLayer.Clipboard.Open(currentWindow))
{
uint formatID = PaintDotNet.SystemLayer.Clipboard.RegisterFormat("PNG");
flag2 = transaction4.TryGetRawNativeData(formatID, delegate(Stream stream) {
image = Image.FromStream(stream, false, true);
});
}
if (flag2 && (image != null))
{
surface = Surface.CopyFromGdipImage(image, false);
DisposableUtil.Free <Image>(ref image);
}
}
catch (OutOfMemoryException)
{
throw;
}
catch (Exception)
{
}
}
if ((surface != null) && (image != null))
{
throw new InternalErrorException("both surface and image are non-null");
}
if ((surface == null) && (image != null))
{
surface = Surface.CopyFromGdipImage(image, true);
}
return(surface);
}