private static XElement ProcessImage(WordprocessingDocument wordDoc,
XElement element, Func<ImageInfo, XElement> imageHandler)
{
if (element.Name == W.drawing)
{
XElement containerElement = element.Elements()
.Where(e => e.Name == WP.inline || e.Name == WP.anchor)
.FirstOrDefault();
if (containerElement != null)
{
int? extentCx = (int?)containerElement.Elements(WP.extent)
.Attributes(NoNamespace.cx).FirstOrDefault();
int? extentCy = (int?)containerElement.Elements(WP.extent)
.Attributes(NoNamespace.cy).FirstOrDefault();
string altText = (string)containerElement.Elements(WP.docPr)
.Attributes(NoNamespace.descr).FirstOrDefault();
if (altText == null)
altText = (string)containerElement.Elements(WP.docPr)
.Attributes(NoNamespace.name).FirstOrDefault();
if (altText == null)
altText = "";
XElement blipFill = containerElement.Elements(A.graphic)
.Elements(A.graphicData)
.Elements(Pic._pic).Elements(Pic.blipFill).FirstOrDefault();
if (blipFill != null)
{
string imageRid = (string)blipFill.Elements(A.blip).Attributes(R.embed)
.FirstOrDefault();
if (imageRid != null)
{
var pp3 = wordDoc.MainDocumentPart.Parts.FirstOrDefault(pp => pp.RelationshipId == imageRid);
if (pp3 == null)
return null;
ImagePart imagePart = (ImagePart)pp3.OpenXmlPart;
if (imagePart == null)
return null;
// if the image markup points to a NULL image, then following will throw an ArgumentOutOfRangeException
try
{
imagePart = (ImagePart)wordDoc.MainDocumentPart
.GetPartById(imageRid);
}
catch (ArgumentOutOfRangeException)
{
return null;
}
string contentType = imagePart.ContentType;
if (contentType == "image/png" ||
contentType == "image/gif" ||
contentType == "image/tiff" ||
contentType == "image/jpeg")
{
using (Stream partStream = imagePart.GetStream())
using (Bitmap bitmap = new Bitmap(partStream))
{
if (extentCx != null && extentCy != null)
{
ImageInfo imageInfo = new ImageInfo()
{
Bitmap = bitmap,
ImgStyleAttribute = new XAttribute("style",
string.Format("width: {0}in; height: {1}in",
(float)extentCx / (float)ImageInfo.EmusPerInch,
(float)extentCy / (float)ImageInfo.EmusPerInch)),
ContentType = contentType,
DrawingElement = element,
AltText = altText,
};
return imageHandler(imageInfo);
}
ImageInfo imageInfo2 = new ImageInfo()
{
Bitmap = bitmap,
ContentType = contentType,
DrawingElement = element,
AltText = altText,
};
return imageHandler(imageInfo2);
};
}
}
}
}
}
if (element.Name == W.pict || element.Name == W._object)
{
string imageRid = (string)element.Elements(VML.shape)
.Elements(VML.imagedata).Attributes(R.id).FirstOrDefault();
string style = (string)element.Elements(VML.shape)
.Attributes("style").FirstOrDefault();
if (imageRid != null)
{
try
{
var pp = wordDoc.MainDocumentPart.Parts.FirstOrDefault(pp2 => pp2.RelationshipId == imageRid);
if (pp == null)
return null;
ImagePart imagePart = (ImagePart)pp.OpenXmlPart;
if (imagePart == null)
return null;
string contentType = imagePart.ContentType;
if (contentType == "image/png"
|| contentType == "image/gif"
|| contentType == "image/tiff"
|| contentType == "image/jpeg"
// don't process wmf files because GDI consumes huge amounts of memory when dealing with wmf
// perhaps because it loads a DLL to do the rendering?
// it actually works, but is not recommended
// || contentType == "image/x-wmf"
)
{
//string style = element.
using (Stream partStream = imagePart.GetStream())
try
{
using (Bitmap bitmap = new Bitmap(partStream))
{
ImageInfo imageInfo = new ImageInfo()
{
Bitmap = bitmap,
ContentType = contentType,
DrawingElement = element,
};
if (style != null)
{
float? widthInPoints = null;
float? heightInPoints = null;
string[] tokens = style.Split(';');
var widthString = tokens
.Select(t => new Atnv
{
Name = t.Split(':').First(),
Value = t.Split(':').Skip(1)
.Take(1).FirstOrDefault(),
})
.Where(p => p.Name == "width")
.Select(p => p.Value)
.FirstOrDefault();
if (widthString != null &&
widthString.Length > 2 &&
widthString.Substring(widthString.Length - 2) == "pt")
{
float w;
if (float.TryParse(widthString.Substring(0,
widthString.Length - 2), out w))
widthInPoints = w;
}
var heightString = tokens
.Select(t => new Atnv
{
Name = t.Split(':').First(),
Value = t.Split(':').Skip(1).Take(1).FirstOrDefault(),
})
.Where(p => p.Name == "height")
.Select(p => p.Value)
.FirstOrDefault();
if (heightString != null &&
heightString.Substring(heightString.Length - 2) == "pt")
{
float h;
if (float.TryParse(heightString.Substring(0,
heightString.Length - 2), out h))
heightInPoints = h;
}
if (widthInPoints != null && heightInPoints != null)
imageInfo.ImgStyleAttribute = new XAttribute(
"style", string.Format(
"width: {0}pt; height: {1}pt",
widthInPoints, heightInPoints));
}
return imageHandler(imageInfo);
};
}
// the Bitmap class can throw OutOfMemoryException, which means the bitmap is messed up, so punt.
catch (OutOfMemoryException)
{
return null;
}
catch (ArgumentException)
{
return null;
}
}
}
catch (ArgumentOutOfRangeException)
{
return null;
}
}
}
return null;
}
private static XElement ProcessDrawing(WordprocessingDocument wordDoc,
XElement element, Func<ImageInfo, XElement> imageHandler)
{
var containerElement = element.Elements()
.FirstOrDefault(e => e.Name == WP.inline || e.Name == WP.anchor);
if (containerElement == null) return null;
var extentCx = (int?)containerElement.Elements(WP.extent)
.Attributes(NoNamespace.cx).FirstOrDefault();
var extentCy = (int?)containerElement.Elements(WP.extent)
.Attributes(NoNamespace.cy).FirstOrDefault();
var altText = (string)containerElement.Elements(WP.docPr).Attributes(NoNamespace.descr).FirstOrDefault() ??
((string)containerElement.Elements(WP.docPr).Attributes(NoNamespace.name).FirstOrDefault() ?? "");
var blipFill = containerElement.Elements(A.graphic)
.Elements(A.graphicData)
.Elements(Pic._pic).Elements(Pic.blipFill).FirstOrDefault();
if (blipFill == null) return null;
var imageRid = (string)blipFill.Elements(A.blip).Attributes(R.embed).FirstOrDefault();
if (imageRid == null) return null;
var pp3 = wordDoc.MainDocumentPart.Parts.FirstOrDefault(pp => pp.RelationshipId == imageRid);
if (pp3 == null) return null;
var imagePart = (ImagePart)pp3.OpenXmlPart;
if (imagePart == null) return null;
// If the image markup points to a NULL image, then following will throw an ArgumentOutOfRangeException
try
{
imagePart = (ImagePart)wordDoc.MainDocumentPart.GetPartById(imageRid);
}
catch (ArgumentOutOfRangeException)
{
return null;
}
var contentType = imagePart.ContentType;
if (!ImageContentTypes.Contains(contentType))
return null;
using (var partStream = imagePart.GetStream())
using (var bitmap = new Bitmap(partStream))
{
if (extentCx != null && extentCy != null)
{
var imageInfo = new ImageInfo()
{
Bitmap = bitmap,
ImgStyleAttribute = new XAttribute("style",
string.Format(NumberFormatInfo.InvariantInfo,
"width: {0}in; height: {1}in",
(float)extentCx / (float)ImageInfo.EmusPerInch,
(float)extentCy / (float)ImageInfo.EmusPerInch)),
ContentType = contentType,
DrawingElement = element,
AltText = altText,
};
return imageHandler(imageInfo);
}
var imageInfo2 = new ImageInfo()
{
Bitmap = bitmap,
ContentType = contentType,
DrawingElement = element,
AltText = altText,
};
return imageHandler(imageInfo2);
}
}
private static XElement ProcessPictureOrObject(WordprocessingDocument wordDoc,
XElement element, Func<ImageInfo, XElement> imageHandler)
{
var imageRid = (string)element.Elements(VML.shape).Elements(VML.imagedata).Attributes(R.id).FirstOrDefault();
if (imageRid == null) return null;
try
{
var pp = wordDoc.MainDocumentPart.Parts.FirstOrDefault(pp2 => pp2.RelationshipId == imageRid);
if (pp == null) return null;
var imagePart = (ImagePart)pp.OpenXmlPart;
if (imagePart == null) return null;
var contentType = imagePart.ContentType;
if (!ImageContentTypes.Contains(contentType))
return null;
using (var partStream = imagePart.GetStream())
{
try
{
using (var bitmap = new Bitmap(partStream))
{
var imageInfo = new ImageInfo()
{
Bitmap = bitmap,
ContentType = contentType,
DrawingElement = element
};
var style = (string)element.Elements(VML.shape).Attributes("style").FirstOrDefault();
if (style == null) return imageHandler(imageInfo);
var tokens = style.Split(';');
var widthInPoints = WidthInPoints(tokens);
var heightInPoints = HeightInPoints(tokens);
if (widthInPoints != null && heightInPoints != null)
{
imageInfo.ImgStyleAttribute = new XAttribute("style",
string.Format(NumberFormatInfo.InvariantInfo,
"width: {0}pt; height: {1}pt", widthInPoints, heightInPoints));
}
return imageHandler(imageInfo);
}
}
catch (OutOfMemoryException)
{
// the Bitmap class can throw OutOfMemoryException, which means the bitmap is messed up, so punt.
return null;
}
catch (ArgumentException)
{
return null;
}
}
}
catch (ArgumentOutOfRangeException)
{
return null;
}
}
private static XElement ProcessImage(WordprocessingDocument wordDoc,
XElement element, Func<ImageInfo, XElement> imageHandler)
{
if (element.Name == W.drawing)
{
XElement containerElement = element.Elements()
.Where(e => e.Name == WP.inline || e.Name == WP.anchor)
.FirstOrDefault();
if (containerElement != null)
{
int? extentCx = (int?)containerElement.Elements(WP.extent)
.Attributes(NoNamespace.cx).FirstOrDefault();
int? extentCy = (int?)containerElement.Elements(WP.extent)
.Attributes(NoNamespace.cy).FirstOrDefault();
string altText = (string)containerElement.Elements(WP.docPr)
.Attributes(NoNamespace.descr).FirstOrDefault();
if (altText == null)
altText = (string)containerElement.Elements(WP.docPr)
.Attributes(NoNamespace.name).FirstOrDefault();
if (altText == null)
altText = "";
XElement blipFill = containerElement.Elements(A.graphic)
.Elements(A.graphicData)
.Elements(Pic._pic).Elements(Pic.blipFill).FirstOrDefault();
if (blipFill != null)
{
string imageRid = (string)blipFill.Elements(A.blip).Attributes(R.embed)
.FirstOrDefault();
ImagePart imagePart = (ImagePart)wordDoc.MainDocumentPart
.GetPartById(imageRid);
string contentType = imagePart.ContentType;
if (contentType == "image/png" ||
contentType == "image/gif" ||
contentType == "image/tiff" ||
contentType == "image/jpeg")
{
using (Stream partStream = imagePart.GetStream())
using (Bitmap bitmap = new Bitmap(partStream))
{
if (extentCx != null && extentCy != null)
{
ImageInfo imageInfo = new ImageInfo()
{
Bitmap = bitmap,
ImgStyleAttribute = new XAttribute(HtmlNoNamespace.style,
string.Format("width: {0}in; height: {1}in",
(float)extentCx / (float)ImageInfo.EmusPerInch,
(float)extentCy / (float)ImageInfo.EmusPerInch)),
ContentType = contentType,
DrawingElement = element,
AltText = altText,
};
return imageHandler(imageInfo);
}
ImageInfo imageInfo2 = new ImageInfo()
{
Bitmap = bitmap,
ContentType = contentType,
DrawingElement = element,
AltText = altText,
};
return imageHandler(imageInfo2);
};
}
}
}
}
if (element.Name == W.pict)
{
string imageRid = (string)element.Elements(VML.shape)
.Elements(VML.imagedata).Attributes(R.id).FirstOrDefault();
string style = (string)element.Elements(VML.shape)
.Attributes(HtmlNoNamespace.style).FirstOrDefault();
if (imageRid != null)
{
try
{
ImagePart imagePart = (ImagePart)wordDoc.MainDocumentPart
.GetPartById(imageRid);
string contentType = imagePart.ContentType;
if (contentType == "image/png" ||
contentType == "image/gif" ||
contentType == "image/tiff" ||
contentType == "image/jpeg")
{
//string style = element.
using (Stream partStream = imagePart.GetStream())
using (Bitmap bitmap = new Bitmap(partStream))
{
ImageInfo imageInfo = new ImageInfo()
{
Bitmap = bitmap,
ContentType = contentType,
DrawingElement = element,
};
if (style != null)
{
float? widthInPoints = null;
float? heightInPoints = null;
string[] tokens = style.Split(';');
var widthString = tokens
.Select(t => new
{
Name = t.Split(':').First(),
Value = t.Split(':').Skip(1)
.Take(1).FirstOrDefault(),
})
.Where(p => p.Name == "width")
.Select(p => p.Value)
.FirstOrDefault();
if (widthString != null &&
widthString.Substring(widthString.Length - 2) == "pt")
{
float w;
if (float.TryParse(widthString.Substring(0,
widthString.Length - 2), out w))
widthInPoints = w;
}
var heightString = tokens
.Select(t => new
{
Name = t.Split(':').First(),
Value = t.Split(':').Skip(1).Take(1).FirstOrDefault(),
})
.Where(p => p.Name == "height")
.Select(p => p.Value)
.FirstOrDefault();
if (heightString != null &&
heightString.Substring(heightString.Length - 2) == "pt")
{
float h;
if (float.TryParse(heightString.Substring(0,
heightString.Length - 2), out h))
heightInPoints = h;
}
if (widthInPoints != null && heightInPoints != null)
imageInfo.ImgStyleAttribute = new XAttribute(
HtmlNoNamespace.style, string.Format(
"width: {0}pt; height: {1}pt",
widthInPoints, heightInPoints));
}
return imageHandler(imageInfo);
};
}
}
catch (ArgumentOutOfRangeException)
{
return null;
}
}
}
return null;
}