private Collection <Source> _GetSources()
{
var _result = new Collection <Source>();
foreach (var _host in new string[] { Source.x86Aux, Source.msilAux })
{
TwainExternalProcess.Execute(
System.IO.Path.Combine(System.IO.Path.GetDirectoryName(this.GetType().Assembly.Location), _host),
twain => {
try {
if (_host == Source.msilAux && !twain.IsTwain2Supported)
{
return;
}
for (var i = 0; i < twain.SourcesCount; i++)
{
_result.Add(new Source {
Id = i,
Name = twain.GetSourceProductName(i),
IsX64Platform = _host == Source.x86Aux?false:Environment.Is64BitOperatingSystem,
IsTwain2 = twain.IsTwain2Supported,
IsDefault = twain.SourceIndex == i
});
}
currentScanner = twain.SourceIndex;
} catch {
}
});
}
return(_result);
}
private void _Acquire()
{
TwainExternalProcess.Execute(
System.IO.Path.Combine(System.IO.Path.GetDirectoryName(this.GetType().Assembly.Location), this._CurrentDataSource.ExecFileName),
twain => {
#region Native
twain.EndXfer += (sender, e) => Gtk.Application.Invoke(delegate {
logger.Debug("EndXfer fired");
if (e.Image != null)
{
Pixbuf CurImg = WinImageToPixbuf(e.Image);
e.Image.Dispose();
if (ImageTransfer == null)
{
// Записываем во внутренний массив
Images.Add(CurImg);
}
else
{
// Передаем через событие
ImageTransferEventArgs arg = new ImageTransferEventArgs();
arg.AllImages = TotalImages;
arg.Image = CurImg;
ImageTransfer(this, arg);
}
}
});
#endregion
#region File
/* twain.SetupFileXferEvent+=(sender, e) => {
* try {
* var _dlg=new Microsoft.Win32.SaveFileDialog {
* Filter=String.Format("{0}-files|*.{0}", (this.imageFileFormExpander.Content as ListBox).SelectedValue.ToString().ToLower()),
* OverwritePrompt=true
* };
* if((bool)_dlg.ShowDialog()) {
* e.FileName=_dlg.FileName;
* } else {
* e.Cancel=true;
* }
* } catch {
* }
* };
*
* twain.FileXferEvent+=(sender, e) => {
* try {
* if(System.IO.Path.GetExtension(e.ImageFileXfer.FileName)==".tmp") {
* Win32.MoveFileEx(e.ImageFileXfer.FileName, null, Win32.MoveFileFlags.DelayUntilReboot);
* }
* var _img=new BitmapImage(new Uri(e.ImageFileXfer.FileName));
* _img.Freeze();
* this.Dispatcher.BeginInvoke(
* new Action(() => {
* try {
* this.scanImage.Source=_img;
* } catch(Exception ex) {
* ex.ErrorMessageBox();
* }
* })
* );
* } catch {
* }
* };
*/
#endregion
#region Memory
/*
#region SetupMemXferEvent
*
* twain.SetupMemXferEvent+=(sender, e) => {
* try {
* System.Windows.Media.PixelFormat _format=PixelFormats.Default;
* BitmapPalette _pallete=null;
* switch(e.ImageInfo.PixelType) {
* case TwPixelType.BW:
* _format=PixelFormats.BlackWhite;
* break;
* case TwPixelType.Gray:
* _format=new Dictionary<short, System.Windows.Media.PixelFormat> {
* {2,PixelFormats.Gray2},
* {4,PixelFormats.Gray4},
* {8,PixelFormats.Gray8},
* {16,PixelFormats.Gray16}
* }[e.ImageInfo.BitsPerPixel];
* break;
* case TwPixelType.Palette:
* _pallete=new BitmapPalette(new Func<IList<Color>>(() => {
* var _res=new Collection<Color>();
* var _colors=twain.Palette.Get().Colors;
* for(int i=0; i<_colors.Length; i++) {
* _res.Add(Color.FromArgb(_colors[i].A, _colors[i].R, _colors[i].G, _colors[i].B));
* }
* return _res;
* })());
* _format=new Dictionary<short, System.Windows.Media.PixelFormat> {
* {2,PixelFormats.Indexed1},
* {4,PixelFormats.Indexed2},
* {8,PixelFormats.Indexed4},
* {16,PixelFormats.Indexed8}
* }[e.ImageInfo.BitsPerPixel];
* break;
* case TwPixelType.RGB:
* _format=new Dictionary<short, System.Windows.Media.PixelFormat> {
* {8,PixelFormats.Rgb24},
* {24,PixelFormats.Rgb24},
* {16,PixelFormats.Rgb48},
* {48,PixelFormats.Rgb48}
* }[e.ImageInfo.BitsPerPixel];
* break;
* default:
* throw new InvalidOperationException("Данный формат пикселей не поддерживается.");
* }
*
* this.Dispatcher.BeginInvoke(
* new Action(() => {
* try {
* this.scanImage.Source=new WriteableBitmap(
* e.ImageInfo.ImageWidth,
* e.ImageInfo.ImageLength,
* e.ImageInfo.XResolution,
* e.ImageInfo.YResolution,
* _format,
* _pallete);
* } catch(Exception ex) {
* ex.ErrorMessageBox();
* }
* })
* );
*
* } catch {
* }
* };
*
#endregion
*
* twain.MemXferEvent+=(sender, e) => {
* try {
* this.Dispatcher.BeginInvoke(
* new Action(() => {
* try {
* (this.scanImage.Source as WriteableBitmap).WritePixels(
* new Int32Rect(0, 0, (int)e.ImageMemXfer.Columns, (int)e.ImageMemXfer.Rows),
* e.ImageMemXfer.ImageData,
* (int)e.ImageMemXfer.BytesPerRow,
* (int)e.ImageMemXfer.XOffset,
* (int)e.ImageMemXfer.YOffset);
* } catch(Exception ex) {
* ex.ErrorMessageBox();
* }
* })
* );
* } catch {
* }
* };
*/
#endregion
#region Set Capabilities
twain.SourceIndex = currentScanner;
twain.ShowUI = true;
twain.OpenDataSource();
twain.Capabilities.XferMech.Set(TwSX.Native);
/* try {
* twain.SetCap(TwCap.XResolution, (float)(this.resolutionExpander.Content as ListBox).SelectedValue);
* } catch {
* }
*
* try {
* twain.SetCap(TwCap.YResolution, (float)(this.resolutionExpander.Content as ListBox).SelectedValue);
* } catch {
* }
*
* try {
* twain.SetCap(TwCap.IPixelType, (TwPixelType)(this.pixelTypeExpander.Content as ListBox).SelectedValue);
* } catch {
* }
*
* try {
* twain.SetCap(TwCap.IXferMech, (TwSX)(this.xferMechExpander.Content as ListBox).SelectedValue);
* } catch {
* }
*
* try {
* twain.SetCap(TwCap.ImageFileFormat, (TwFF)(this.imageFileFormExpander.Content as ListBox).SelectedValue);
* } catch {
* }
*
* try {
* twain.Capabilities.Indicators.Set(false);
* } catch {
* }
*/
twain.Capabilities.XferCount.Set(1);
#endregion
twain.Acquire();
});
}
