public static extern ReturnCode DsmWin32(
[In, Out] TW_IDENTITY origin,
[In, Out] TW_IDENTITY destination,
DataGroups dg,
DataArgumentType dat,
Message msg,
ref TW_IMAGEINFO data);
public ReturnCode Get(ref TW_IMAGEINFO info)
{
if (Is32Bit)
{
if (IsWin)
{
return(NativeMethods.DsmWin32(Session.Config.App32, Session.CurrentSource.Identity32,
DataGroups.Image, DataArgumentType.ImageInfo, Message.Get, ref info));
}
if (IsLinux)
{
return(NativeMethods.DsmLinux32(Session.Config.App32, Session.CurrentSource.Identity32,
DataGroups.Image, DataArgumentType.ImageInfo, Message.Get, ref info));
}
if (IsMac)
{
return(NativeMethods.DsmMac32(Session.Config.App32, Session.CurrentSource.Identity32,
DataGroups.Image, DataArgumentType.ImageInfo, Message.Get, ref info));
}
}
if (IsWin)
{
return(NativeMethods.DsmWin64(Session.Config.App32, Session.CurrentSource.Identity32,
DataGroups.Image, DataArgumentType.ImageInfo, Message.Get, ref info));
}
if (IsLinux)
{
return(NativeMethods.DsmLinux64(Session.Config.App32, Session.CurrentSource.Identity32,
DataGroups.Image, DataArgumentType.ImageInfo, Message.Get, ref info));
}
if (IsMac)
{
return(NativeMethods.DsmMac64(Session.Config.App32, Session.CurrentSource.Identity32,
DataGroups.Image, DataArgumentType.ImageInfo, Message.Get, ref info));
}
return(ReturnCode.Failure);
}
/// <summary>
/// Get/Set image info information...
/// </summary>
/// <param name="a_dg">Data group</param>
/// <param name="a_msg">Operation</param>
/// <param name="a_twimageinfo">IMAGEINFO structure</param>
/// <returns>TWAIN status</returns>
public STS DatImageinfo(DG a_dg, MSG a_msg, ref TW_IMAGEINFO a_twimageinfo)
{
STS sts;
// Submit the work to the TWAIN thread...
if ((m_threadTwain != null) && (m_threadTwain.ManagedThreadId != Thread.CurrentThread.ManagedThreadId))
{
lock (m_lockTwain)
{
// Set our command variables...
ThreadData threaddata = default(ThreadData);
threaddata.twimageinfo = a_twimageinfo;
threaddata.dg = a_dg;
threaddata.msg = a_msg;
threaddata.dat = DAT.IMAGEINFO;
long lIndex = m_twaincommand.Submit(threaddata);
// Submit the command and wait for the reply...
CallerToThreadSet();
ThreadToCallerWaitOne();
// Return the result...
a_twimageinfo = m_twaincommand.Get(lIndex).twimageinfo;
sts = m_twaincommand.Get(lIndex).sts;
// Clear the command variables...
m_twaincommand.Delete(lIndex);
}
return (sts);
}
// Log it...
if (Log.GetLevel() > 0)
{
Log.LogSendBefore(a_dg.ToString(), DAT.IMAGEINFO.ToString(), a_msg.ToString(), "");
}
// Windows...
if (ms_platform == Platform.WINDOWS)
{
// Issue the command...
try
{
if (m_blUseLegacyDSM)
{
sts = (STS)WindowsTwain32DsmEntryImageinfo(ref m_twidentitylegacyApp, ref m_twidentitylegacyDs, a_dg, DAT.IMAGEINFO, a_msg, ref a_twimageinfo);
}
else
{
sts = (STS)WindowsTwaindsmDsmEntryImageinfo(ref m_twidentitylegacyApp, ref m_twidentitylegacyDs, a_dg, DAT.IMAGEINFO, a_msg, ref a_twimageinfo);
}
}
catch
{
// The driver crashed...
Log.LogSendAfter(STS.BUMMER.ToString(), "");
return (STS.BUMMER);
}
}
// Linux...
else if (ms_platform == Platform.LINUX)
{
// Issue the command...
try
{
if (TWAIN.GetMachineWordBitSize() == 32)
{
sts = (STS)LinuxDsmEntryImageinfo(ref m_twidentitylegacyApp, ref m_twidentitylegacyDs, a_dg, DAT.IMAGEINFO, a_msg, ref a_twimageinfo);
}
else
{
TW_IMAGEINFO_LINUX64 twimageinfolinux64 = default(TW_IMAGEINFO_LINUX64);
sts = (STS)Linux64DsmEntryImageinfo(ref m_twidentityApp, ref m_twidentityDs, a_dg, DAT.IMAGEINFO, a_msg, ref twimageinfolinux64);
a_twimageinfo.XResolution = twimageinfolinux64.XResolution;
a_twimageinfo.YResolution = twimageinfolinux64.YResolution;
a_twimageinfo.ImageWidth = (int)twimageinfolinux64.ImageWidth;
a_twimageinfo.ImageLength = (int)twimageinfolinux64.ImageLength;
a_twimageinfo.SamplesPerPixel = twimageinfolinux64.SamplesPerPixel;
a_twimageinfo.BitsPerSample_0 = twimageinfolinux64.BitsPerSample_0;
a_twimageinfo.BitsPerSample_1 = twimageinfolinux64.BitsPerSample_1;
a_twimageinfo.BitsPerSample_2 = twimageinfolinux64.BitsPerSample_2;
a_twimageinfo.BitsPerSample_3 = twimageinfolinux64.BitsPerSample_3;
a_twimageinfo.BitsPerSample_4 = twimageinfolinux64.BitsPerSample_4;
a_twimageinfo.BitsPerSample_5 = twimageinfolinux64.BitsPerSample_5;
a_twimageinfo.BitsPerSample_6 = twimageinfolinux64.BitsPerSample_6;
a_twimageinfo.BitsPerSample_7 = twimageinfolinux64.BitsPerSample_7;
a_twimageinfo.BitsPerPixel = twimageinfolinux64.BitsPerPixel;
a_twimageinfo.Planar = twimageinfolinux64.Planar;
a_twimageinfo.PixelType = twimageinfolinux64.PixelType;
a_twimageinfo.Compression = twimageinfolinux64.Compression;
}
}
catch
{
// The driver crashed...
Log.LogSendAfter(STS.BUMMER.ToString(), "");
return (STS.BUMMER);
}
}
// Mac OS X, which has to be different...
else if (ms_platform == Platform.MACOSX)
{
// Issue the command...
try
{
sts = (STS)MacosxDsmEntryImageinfo(ref m_twidentitymacosxApp, ref m_twidentitymacosxDs, a_dg, DAT.IMAGEINFO, a_msg, ref a_twimageinfo);
}
catch
{
// The driver crashed...
Log.LogSendAfter(STS.BUMMER.ToString(), "");
return (STS.BUMMER);
}
}
// Uh-oh...
else
{
Log.LogSendAfter(STS.BUMMER.ToString(), "");
return (STS.BUMMER);
}
// Log it...
if (Log.GetLevel() > 0)
{
Log.LogSendAfter(sts.ToString(), ImageinfoToCsv(a_twimageinfo));
}
// All done...
return (AutoDatStatus(sts));
}
/// <summary>
/// Convert the contents of a string to an callback structure...
/// </summary>
/// <param name="a_twimageinfo">A TWAIN structure</param>
/// <param name="a_szImageinfo">A CSV string of the TWAIN structure</param>
/// <returns>True if the conversion is successful</returns>
public bool CsvToImageinfo(ref TW_IMAGEINFO a_twimageinfo, string a_szImageinfo)
{
// Init stuff...
a_twimageinfo = default(TW_IMAGEINFO);
// Build the string...
try
{
string[] asz = CSV.Parse(a_szImageinfo);
// Grab the values...
a_twimageinfo.XResolution.Whole = (short)double.Parse(asz[0]);
a_twimageinfo.XResolution.Frac = (ushort)((double.Parse(asz[0]) - (double)a_twimageinfo.XResolution.Whole) * 65536.0);
a_twimageinfo.YResolution.Whole = (short)double.Parse(asz[1]);
a_twimageinfo.YResolution.Frac = (ushort)((double.Parse(asz[1]) - (double)a_twimageinfo.YResolution.Whole) * 65536.0);
a_twimageinfo.ImageWidth = (short)double.Parse(asz[2]);
a_twimageinfo.ImageLength = int.Parse(asz[3]);
a_twimageinfo.SamplesPerPixel = short.Parse(asz[4]);
a_twimageinfo.BitsPerSample_0 = short.Parse(asz[5]);
a_twimageinfo.BitsPerSample_1 = short.Parse(asz[6]);
a_twimageinfo.BitsPerSample_2 = short.Parse(asz[7]);
a_twimageinfo.BitsPerSample_3 = short.Parse(asz[8]);
a_twimageinfo.BitsPerSample_4 = short.Parse(asz[9]);
a_twimageinfo.BitsPerSample_5 = short.Parse(asz[10]);
a_twimageinfo.BitsPerSample_6 = short.Parse(asz[11]);
a_twimageinfo.BitsPerSample_7 = short.Parse(asz[12]);
a_twimageinfo.Planar = ushort.Parse(asz[13]);
a_twimageinfo.PixelType = (short)(TWPT)Enum.Parse(typeof(TWPT), asz[14].Remove(0, 5));
a_twimageinfo.Compression = (ushort)(TWCP)Enum.Parse(typeof(TWCP), asz[15].Remove(0, 5));
}
catch
{
return (false);
}
// All done...
return (true);
}
/// <summary>
/// Convert the contents of a image info to a string that we can show in
/// our simple GUI...
/// </summary>
/// <param name="a_twimageinfo">A TWAIN structure</param>
/// <returns>A CSV string of the TWAIN structure</returns>
public string ImageinfoToCsv(TW_IMAGEINFO a_twimageinfo)
{
try
{
CSV csv = new CSV();
csv.Add(((double)a_twimageinfo.XResolution.Whole + ((double)a_twimageinfo.XResolution.Frac / 65536.0)).ToString());
csv.Add(((double)a_twimageinfo.YResolution.Whole + ((double)a_twimageinfo.YResolution.Frac / 65536.0)).ToString());
csv.Add(a_twimageinfo.ImageWidth.ToString());
csv.Add(a_twimageinfo.ImageLength.ToString());
csv.Add(a_twimageinfo.SamplesPerPixel.ToString());
csv.Add(a_twimageinfo.BitsPerSample_0.ToString());
csv.Add(a_twimageinfo.BitsPerSample_1.ToString());
csv.Add(a_twimageinfo.BitsPerSample_2.ToString());
csv.Add(a_twimageinfo.BitsPerSample_3.ToString());
csv.Add(a_twimageinfo.BitsPerSample_4.ToString());
csv.Add(a_twimageinfo.BitsPerSample_5.ToString());
csv.Add(a_twimageinfo.BitsPerSample_6.ToString());
csv.Add(a_twimageinfo.BitsPerSample_7.ToString());
csv.Add(a_twimageinfo.Planar.ToString());
csv.Add("TWPT_" + (TWPT)a_twimageinfo.PixelType);
csv.Add("TWCP_" + (TWCP)a_twimageinfo.Compression);
return (csv.Get());
}
catch
{
return ("***error***");
}
}
private static extern UInt16 MacosxDsmEntryImageinfo
(
ref TW_IDENTITY_MACOSX origin,
ref TW_IDENTITY_MACOSX dest,
DG dg,
DAT dat,
MSG msg,
ref TW_IMAGEINFO twimageinfo
);
private static extern UInt16 LinuxDsmEntryImageinfo
(
ref TW_IDENTITY_LEGACY origin,
ref TW_IDENTITY_LEGACY dest,
DG dg,
DAT dat,
MSG msg,
ref TW_IMAGEINFO twimageinfo
);
