void OnSetupMemXferEvent(object sender, Twain32.SetupMemXferEventArgs e)
{
if (stream != null)
{
FinishImageTransfer();
}
logger.Debug("SetupMemXfer size={0}B", e.ImageInfo.BitsPerPixel * e.ImageInfo.ImageLength * e.ImageInfo.ImageWidth / 8);
try {
stream = new MemoryStream((int)e.BufferSize);
var _writer = new BinaryWriter(this.stream);
switch (e.ImageInfo.BitsPerPixel)
{
case 1:
if (e.ImageInfo.PixelType == TwPixelType.Palette)
{
_writer.Write(Encoding.ASCII.GetBytes("P6\n"));
this.palette = this._twain32.Palette.Get();
}
else
{
_writer.Write(Encoding.ASCII.GetBytes("P5\n"));
}
break;
case 3:
_writer.Write(Encoding.ASCII.GetBytes("P6\n"));
break;
default:
_writer.Write(Encoding.ASCII.GetBytes("PX\n"));
break;
}
_writer.Write(Encoding.ASCII.GetBytes(string.Format("# (C) SARAFF SOFTWARE 2013.\n{0} {1}\n{2}\n", e.ImageInfo.ImageWidth, e.ImageInfo.ImageLength, byte.MaxValue)));
OnPulse(e.ImageInfo.BitsPerPixel * e.ImageInfo.ImageLength * e.ImageInfo.ImageWidth / 8, (int)stream.Position);
} catch (Exception ex)
{
logger.Error(ex, "Ошибка при настройке буфера приема.");
throw ex;
}
}
void OnSetupMemXferEvent(object sender, Twain32.SetupMemXferEventArgs e)
{
if (stream != null)
FinishImageTransfer ();
logger.Debug("SetupMemXfer size={0}B", e.ImageInfo.BitsPerPixel * e.ImageInfo.ImageLength * e.ImageInfo.ImageWidth / 8);
try {
stream = new MemoryStream((int)e.BufferSize);
var _writer=new BinaryWriter(this.stream);
switch(e.ImageInfo.BitsPerPixel) {
case 1:
if(e.ImageInfo.PixelType==TwPixelType.Palette) {
_writer.Write(Encoding.ASCII.GetBytes("P6\n"));
this.palette=this._twain32.Palette.Get();
} else {
_writer.Write(Encoding.ASCII.GetBytes("P5\n"));
}
break;
case 3:
_writer.Write(Encoding.ASCII.GetBytes("P6\n"));
break;
default:
_writer.Write(Encoding.ASCII.GetBytes("PX\n"));
break;
}
_writer.Write(Encoding.ASCII.GetBytes(string.Format("# (C) SARAFF SOFTWARE 2013.\n{0} {1}\n{2}\n",e.ImageInfo.ImageWidth,e.ImageInfo.ImageLength,byte.MaxValue)));
OnPulse(e.ImageInfo.BitsPerPixel * e.ImageInfo.ImageLength * e.ImageInfo.ImageWidth / 8, (int)stream.Position);
} catch(Exception ex)
{
logger.Error (ex, "Ошибка при настройке буфера приема.");
throw ex;
}
}