//[DebuggerStepThrough]
void OnSelectPicture()
{
var openFileDialog = new OpenFileDialog();
openFileDialog.Filter = ImageExtensions.GraphicFilter;
if (openFileDialog.ShowDialog().Value)
using (new WaitWrapper())
{
_newImage = true;
_sourceName = openFileDialog.FileName;
if (ImageExtensions.IsSVGGraphics(_sourceName))
{
_drawing = SVGConverters.ReadDrawing(_sourceName);
_wmf = null;
ImageBrush = new DrawingBrush(_drawing);
_imageType = ResourceType.Drawing;
_svg = File.ReadAllBytes(_sourceName);
}
else if (ImageExtensions.IsWMFGraphics(_sourceName))
{
_wmf = WMFConverter.ReadWMF(_sourceName);
_drawing = _wmf == null ? null : _wmf.ToDrawing();
if (_drawing == null)
{
ImageBrush = new VisualBrush(_wmf.Canvas);
_imageType = ResourceType.Visual;
}
else
{
_wmf = null;
ImageBrush = new DrawingBrush(_drawing);
_imageType = ResourceType.Drawing;
}
}
else
{
_drawing = null;
_wmf = null;
if (new FileInfo(_sourceName).Length > 0)
{
ImageBrush = new ImageBrush(new BitmapImage(new Uri(_sourceName)));
_imageType = ResourceType.Image;
}
else
{
MessageBoxService.Show("Невозможно загрузить пустое изображение");
return;
}
}
OnPropertyChanged(() => ImageBrush);
if (UpdateProperty != null)
UpdateProperty(false);
}
}
public static Guid SaveImage(WMFImage wmf)
{
if (wmf == null || wmf.Canvas == null)
return Guid.Empty;
foreach (var glyph in wmf.Canvas.FindVisualChildren<Glyphs>())
{
var glyphGuid = new Guid(Path.GetFileNameWithoutExtension(glyph.FontUri.ToString()));
var data = wmf.Resources[glyphGuid];
var resourceGuid = ServiceFactoryBase.ContentService.AddContent(data);
glyph.FontUri = new Uri(resourceGuid.ToString(), UriKind.Relative);
}
return ServiceFactoryBase.ContentService.AddContent(wmf.Canvas);
}
public ImagePropertiesViewModel(IElementBackground element)
{
_drawing = null;
_wmf = null;
_newImage = false;
_element = element;
_sourceName = _element.BackgroundSourceName;
_imageSource = _element.BackgroundImageSource;
_svgImageSource = _element.BackgroundSVGImageSource;
_imageType = _element.ImageType;
SelectPictureCommand = new RelayCommand(OnSelectPicture);
RemovePictureCommand = new RelayCommand(OnRemovePicture, CanRemovePicture);
UpdateImage();
}
void OnSelectPicture()
{
var openFileDialog = new OpenFileDialog();
openFileDialog.Filter = ImageExtensions.GraphicFilter;
if (openFileDialog.ShowDialog().Value)
using (new WaitWrapper())
{
_sourceName = openFileDialog.FileName;
if (ImageExtensions.IsSVGGraphics(_sourceName))
{
_drawing = SVGConverters.ReadDrawing(_sourceName);
_wmf = null;
ImageBrush = new DrawingBrush(_drawing);
_svg = File.ReadAllBytes(_sourceName);
}
else if (ImageExtensions.IsWMFGraphics(_sourceName))
{
_wmf = WMFConverter.ReadWMF(_sourceName);
_drawing = _wmf == null ? null : _wmf.ToDrawing();
if (_drawing == null)
ImageBrush = new VisualBrush(_wmf.Canvas);
else
{
_wmf = null;
ImageBrush = new DrawingBrush(_drawing);
}
}
else
{
_drawing = null;
_wmf = null;
ImageBrush = new ImageBrush(new BitmapImage(new Uri(_sourceName)));
}
_imageChanged = true;
}
}
void OnRemovePicture()
{
_newImage = false;
_drawing = null;
_wmf = null;
_svg = null;
isWasDelete = true;
ImageBrush = null;
OnPropertyChanged(() => ImageBrush);
if (UpdateProperty != null)
UpdateProperty(true);
}
public static WMFImage ReadWMF(string fileName)
{
#region createTempFile
var temp = Path.Combine(Path.GetTempPath() + Path.GetRandomFileName());
temp = temp.Remove(temp.Length - 3) + "xps";
#endregion
using (PrintDocument pdx = new PrintDocument())
{
pdx.PrintPage += (object printSender, PrintPageEventArgs printE) =>
{
var img = System.Drawing.Image.FromFile(fileName);
printE.Graphics.DrawImageUnscaled(img, printE.PageSettings.Bounds);
printE.HasMorePages = false;
};
pdx.DefaultPageSettings.PaperSize = new PaperSize("", 3500, 8000);
pdx.DefaultPageSettings.Landscape = true;
pdx.PrinterSettings.PrinterName = "Microsoft XPS Document Writer";
pdx.PrinterSettings.PrintToFile = true;
pdx.PrinterSettings.PrintFileName = temp;
pdx.PrintController = new StandardPrintController();
pdx.Print();
}
#region WaitForPrinter
for (int i = 0; i < 10; i++)
{
if (File.Exists(temp))
{
FileInfo fi = new FileInfo(temp);
for (int j = 0; i < 10; i++)
{
if (fi.Length == 0)
{
System.Threading.Thread.Sleep(1000);
fi = new FileInfo(temp);
}
else break;
if ((fi.Length == 0) && (j == 9))
throw new Exception("Печать в файл занимает слишком много времени. Либо размер файла слишком большой, либо проблема связана с XPS принтером, либо файл повреждён.");
break;
}
break;
}
else
{
System.Threading.Thread.Sleep(1000);
}
}
#endregion
WMFImage wmf = new WMFImage();
using (XpsDocument xpsDocument = new XpsDocument(temp, FileAccess.Read))
{
DocumentReference docReference = xpsDocument.GetFixedDocumentSequence().References.First();
FixedDocument doc = docReference.GetDocument(false);
PageContent content = doc.Pages[0];
var fixedPage = content.GetPageRoot(false);
wmf.Canvas = new Canvas()
{
Width = fixedPage.Width,
Height = fixedPage.Height,
};
for (int i = fixedPage.Children.Count - 1; i >= 0; i--)
{
var child = fixedPage.Children[i];
fixedPage.Children.Remove(child);
if (child is Glyphs)
{
var glyph = (Glyphs)child;
var glyphRun = glyph.ToGlyphRun();
var path = new System.Windows.Shapes.Path()
{
Fill = glyph.Fill,
Data = glyphRun.BuildGeometry(),
RenderTransform = glyph.RenderTransform,
RenderTransformOrigin = glyph.RenderTransformOrigin,
RenderSize = glyph.RenderSize,
};
wmf.Canvas.Children.Insert(0, path);
}
else
wmf.Canvas.Children.Insert(0, child);
}
ReadResources(xpsDocument.FixedDocumentSequenceReader.FixedDocuments[0].FixedPages[0], wmf);
xpsDocument.Close();
}
GC.Collect();
try
{
File.Delete(temp);
}
catch
{
}
return wmf;
}
static void ReadResources(IXpsFixedPageReader reader, WMFImage wmf)
{
if (wmf.Canvas == null)
return;
foreach (var glyph in wmf.Canvas.FindVisualChildren<Glyphs>())
{
var guid = new Guid(Path.GetFileNameWithoutExtension(glyph.FontUri.ToString()));
if (!wmf.Resources.ContainsKey(guid))
{
var data = DeobfuscateFont(reader.GetFont(glyph.FontUri));
wmf.Resources.Add(guid, data);
}
}
}
public override void CopyProperties()
{
_sourceName = null;
_drawing = null;
_wmf = null;
var properties = (LayoutPartImageProperties)_layoutPartImageViewModel.Properties;
ImageBrush = ImageHelper.GetResourceBrush(properties.ReferenceUID, properties.ImageType);
Stretch = properties.Stretch.ToWindowsStretch();
_imageChanged = false;
}
void OnRemovePicture()
{
_drawing = null;
_wmf = null;
ImageBrush = null;
_imageChanged = true;
_svg = null;
}
