public HtmlFont(FontStyle style, FontVariant variant, FontWeight weight, Unit size, FontFamily family)
{
this.style = style;
this.variant = variant;
this.family = family;
this.weight = weight;
this.size = size;
}
private OpenXmlElement CreateImageElement(string relationshipId, string imageName)
{
var widthInEmus = new Unit(UnitMetric.Pixel, _customSize.Width).ValueInEmus;
var heightInEmus = new Unit(UnitMetric.Pixel, _customSize.Height).ValueInEmus;
var drawingId = GetNextDrawingId();
var imageId = GetNextImageId();
var element = new Drawing(
new DW.Inline(
new DW.Extent() { Cx = widthInEmus, Cy = heightInEmus },
new DW.EffectExtent() { LeftEdge = 19050L, TopEdge = 0L, RightEdge = 0L, BottomEdge = 0L },
new DW.DocProperties() { Id = drawingId, Name = imageName, Description = string.Empty },
new DW.NonVisualGraphicFrameDrawingProperties
{
GraphicFrameLocks = new A.GraphicFrameLocks() { NoChangeAspect = true }
},
new A.Graphic(
new A.GraphicData(
new Pic.Picture(
new Pic.NonVisualPictureProperties
{
NonVisualDrawingProperties = new Pic.NonVisualDrawingProperties() { Id = imageId, Name = imageName, Description = string.Empty },
NonVisualPictureDrawingProperties = new Pic.NonVisualPictureDrawingProperties(
new A.PictureLocks() { NoChangeAspect = true, NoChangeArrowheads = true })
},
new Pic.BlipFill(
new A.Blip() { Embed = relationshipId },
new A.SourceRectangle(),
new A.Stretch(
new A.FillRectangle())),
new Pic.ShapeProperties(
new A.Transform2D(
new A.Offset() { X = 0L, Y = 0L },
new A.Extents() { Cx = widthInEmus, Cy = heightInEmus }),
new A.PresetGeometry(
new A.AdjustValueList()
) { Preset = A.ShapeTypeValues.Rectangle }
) { BlackWhiteMode = A.BlackWhiteModeValues.Auto })
) { Uri = "http://schemas.openxmlformats.org/drawingml/2006/picture" })
) { DistanceFromTop = (UInt32Value)0U, DistanceFromBottom = (UInt32Value)0U, DistanceFromLeft = (UInt32Value)0U, DistanceFromRight = (UInt32Value)0U }
);
return element;
}
private Drawing AddImagePart(Uri imageUrl, String imageSource, String alt, Size preferredSize)
{
if (imageObjId == UInt32.MinValue)
{
// In order to add images in the document, we need to asisgn an unique id
// to each Drawing object. So we'll loop through all of the existing <wp:docPr> elements
// to find the largest Id, then increment it for each new image.
drawingObjId = 1; // 1 is the minimum ID set by MS Office.
imageObjId = 1;
foreach (var d in mainPart.Document.Body.Descendants<Drawing>())
{
if (d.Inline == null) continue; // fix some rare issue where Inline is null (reported by scwebgroup)
if (d.Inline.DocProperties.Id > drawingObjId) drawingObjId = d.Inline.DocProperties.Id;
var nvPr = d.Inline.Graphic.GraphicData.GetFirstChild<pic.NonVisualPictureProperties>();
if (nvPr != null && nvPr.NonVisualDrawingProperties.Id > imageObjId)
imageObjId = nvPr.NonVisualDrawingProperties.Id;
}
if (drawingObjId > 1) drawingObjId++;
if (imageObjId > 1) imageObjId++;
}
// Cache all the ImagePart processed to avoid downloading the same image.
CachedImagePart imagePart;
if (!knownImageParts.TryGetValue(imageUrl, out imagePart))
{
ProvisionImageEventArgs e = new ProvisionImageEventArgs(imageUrl);
e.ImageSize = preferredSize;
if (this.ImageProcessing == ImageProcessing.AutomaticDownload && imageUrl.IsAbsoluteUri)
{
e.Data = ConverterUtility.DownloadData(imageUrl, this.WebProxy);
}
else
{
RaiseProvisionImage(e);
}
if (e.Data == null) return null;
if (!e.ImageExtension.HasValue)
{
e.ImageExtension = ConverterUtility.GetImagePartTypeForImageUrl(imageUrl);
if (!e.ImageExtension.HasValue) return null;
}
ImagePart ipart = mainPart.AddImagePart(e.ImageExtension.Value);
imagePart = new CachedImagePart() { Part = ipart };
using (Stream outputStream = ipart.GetStream(FileMode.Create))
{
outputStream.Write(e.Data, 0, e.Data.Length);
outputStream.Seek(0L, SeekOrigin.Begin);
if (e.ImageSize.Width == 0 || e.ImageSize.Height == 0)
{
e.ImageSize = ConverterUtility.GetImageSize(outputStream);
}
imagePart.Width = e.ImageSize.Width;
imagePart.Height = e.ImageSize.Height;
}
knownImageParts.Add(imageUrl, imagePart);
}
if (preferredSize.IsEmpty)
{
preferredSize.Width = imagePart.Width;
preferredSize.Height = imagePart.Height;
}
else if (preferredSize.Width <= 0 || preferredSize.Height <= 0)
{
Size actualSize = new Size(imagePart.Width, imagePart.Height);
preferredSize = ImageHeader.KeepAspectRatio(actualSize, preferredSize);
}
String imagePartId = mainPart.GetIdOfPart(imagePart.Part);
long widthInEmus = new Unit(UnitMetric.Pixel, preferredSize.Width).ValueInEmus;
long heightInEmus = new Unit(UnitMetric.Pixel, preferredSize.Height).ValueInEmus;
++drawingObjId;
++imageObjId;
var img = new Drawing(
new wp.Inline(
new wp.Extent() { Cx = widthInEmus, Cy = heightInEmus },
new wp.EffectExtent() { LeftEdge = 19050L, TopEdge = 0L, RightEdge = 0L, BottomEdge = 0L },
new wp.DocProperties() { Id = drawingObjId, Name = imageSource, Description = String.Empty },
new wp.NonVisualGraphicFrameDrawingProperties(
new a.GraphicFrameLocks() { NoChangeAspect = true }),
new a.Graphic(
new a.GraphicData(
new pic.Picture(
new pic.NonVisualPictureProperties(
new pic.NonVisualDrawingProperties() { Id = imageObjId, Name = imageSource, Description = alt },
new pic.NonVisualPictureDrawingProperties(
new a.PictureLocks() { NoChangeAspect = true, NoChangeArrowheads = true })),
new pic.BlipFill(
new a.Blip() { Embed = imagePartId },
new a.SourceRectangle(),
new a.Stretch(
new a.FillRectangle())),
new pic.ShapeProperties(
new a.Transform2D(
new a.Offset() { X = 0L, Y = 0L },
new a.Extents() { Cx = widthInEmus, Cy = heightInEmus }),
new a.PresetGeometry(
new a.AdjustValueList()
) { Preset = a.ShapeTypeValues.Rectangle }
) { BlackWhiteMode = a.BlackWhiteModeValues.Auto })
) { Uri = "http://schemas.openxmlformats.org/drawingml/2006/picture" })
) { DistanceFromTop = (UInt32Value) 0U, DistanceFromBottom = (UInt32Value) 0U, DistanceFromLeft = (UInt32Value) 0U, DistanceFromRight = (UInt32Value) 0U }
);
return img;
}
public Margin(Unit top, Unit right, Unit bottom, Unit left)
{
this.sides = new[] { top, right, bottom, left };
}
/// <summary>
/// Convert Html regular font-size to OpenXml font value (expressed in point).
/// </summary>
public static Unit ConvertToFontSize(string htmlSize)
{
if (htmlSize == null) return Unit.Empty;
switch (htmlSize.ToLowerInvariant())
{
case "1":
case "xx-small": return new Unit(UnitMetric.Point, 10);
case "2":
case "x-small": return new Unit(UnitMetric.Point, 15);
case "3":
case "small": return new Unit(UnitMetric.Point, 20);
case "4":
case "medium": return new Unit(UnitMetric.Point, 27);
case "5":
case "large": return new Unit(UnitMetric.Point, 36);
case "6":
case "x-large": return new Unit(UnitMetric.Point, 48);
case "7":
case "xx-large": return new Unit(UnitMetric.Point, 72);
default:
// the font-size is specified in positive half-points
Unit unit = Unit.Parse(htmlSize);
if (!unit.IsValid || unit.Value <= 0)
return Unit.Empty;
// this is a rough conversion to support some percent size, considering 100% = 11 pt
if (unit.Type == UnitMetric.Percent) unit = new Unit(UnitMetric.Point, unit.Value * 0.11);
return unit;
}
}
private Drawing AddImagePart(Uri imageUrl, String imageSource, String alt, Size preferredSize)
{
if (imageObjId == UInt32.MinValue)
{
// In order to add images in the document, we need to asisgn an unique id
// to each Drawing object. So we'll loop through all of the existing <wp:docPr> elements
// to find the largest Id, then increment it for each new image.
drawingObjId = 1; // 1 is the minimum ID set by MS Office.
imageObjId = 1;
foreach (var d in mainPart.Document.Body.Descendants<Drawing>())
{
if (d.Inline == null) continue; // fix some rare issue where Inline is null (reported by scwebgroup)
if (d.Inline.DocProperties.Id > drawingObjId) drawingObjId = d.Inline.DocProperties.Id;
var nvPr = d.Inline.Graphic.GraphicData.GetFirstChild<pic.NonVisualPictureProperties>();
if (nvPr != null && nvPr.NonVisualDrawingProperties.Id > imageObjId)
imageObjId = nvPr.NonVisualDrawingProperties.Id;
}
if (drawingObjId > 1) drawingObjId++;
if (imageObjId > 1) imageObjId++;
}
// Cache all the ImagePart processed to avoid downloading the same image.
CachedImagePart imagePart = null;
// if imageUrl is null, we may consider imageSource is a DataUri.
// thus, no need to download and cache anything
if (imageUrl == null || !knownImageParts.TryGetValue(imageUrl, out imagePart))
{
HtmlImageInfo iinfo = new HtmlImageInfo() { Size = preferredSize };
ImageProvisioningProvider provider = new ImageProvisioningProvider(this.WebProxy, iinfo);
if (imageUrl == null)
provider.DownloadData(DataUri.Parse(imageSource));
//TODO 屏蔽本地读取图片
//else if (this.ImageProcessing == ImageProcessing.ManualProvisioning)
//{
// // as HtmlImageInfo is a class, the EventArgs will act as a proxy
// ProvisionImageEventArgs args = new ProvisionImageEventArgs(imageUrl, iinfo);
// OnProvisionImage(args);
// // did the user want to ignore this image?
// if (args.Cancel) return null;
//}
// Automatic Processing or the user did not supply himself the image and did not cancel the provisioning.
// We download ourself the image.
if (iinfo.RawData == null && imageUrl.IsAbsoluteUri)
provider.DownloadData(imageUrl);
if (iinfo.RawData == null || !provider.Provision(imageUrl)) return null;
ImagePart ipart = mainPart.AddImagePart(iinfo.Type.Value);
imagePart = new CachedImagePart() { Part = ipart };
imagePart.Width = iinfo.Size.Width;
imagePart.Height = iinfo.Size.Height;
using (Stream outputStream = ipart.GetStream(FileMode.Create))
{
outputStream.Write(iinfo.RawData, 0, iinfo.RawData.Length);
outputStream.Seek(0L, SeekOrigin.Begin);
}
if (imageUrl != null) // don't need to cache inlined-image
knownImageParts.Add(imageUrl, imagePart);
}
if (preferredSize.IsEmpty)
{
preferredSize.Width = imagePart.Width;
preferredSize.Height = imagePart.Height;
}
else if (preferredSize.Width <= 0 || preferredSize.Height <= 0)
{
Size actualSize = new Size(imagePart.Width, imagePart.Height);
preferredSize = ImageHeader.KeepAspectRatio(actualSize, preferredSize);
}
String imagePartId = mainPart.GetIdOfPart(imagePart.Part);
long widthInEmus = new Unit(UnitMetric.Pixel, preferredSize.Width).ValueInEmus;
long heightInEmus = new Unit(UnitMetric.Pixel, preferredSize.Height).ValueInEmus;
++drawingObjId;
++imageObjId;
var img = new Drawing(
new wp.Inline(
new wp.Extent() { Cx = widthInEmus, Cy = heightInEmus },
new wp.EffectExtent() { LeftEdge = 19050L, TopEdge = 0L, RightEdge = 0L, BottomEdge = 0L },
new wp.DocProperties() { Id = drawingObjId, Name = imageSource, Description = String.Empty },
new wp.NonVisualGraphicFrameDrawingProperties {
GraphicFrameLocks = new a.GraphicFrameLocks() { NoChangeAspect = true }
},
new a.Graphic(
new a.GraphicData(
new pic.Picture(
new pic.NonVisualPictureProperties {
NonVisualDrawingProperties = new pic.NonVisualDrawingProperties() { Id = imageObjId, Name = imageSource, Description = alt },
NonVisualPictureDrawingProperties = new pic.NonVisualPictureDrawingProperties(
new a.PictureLocks() { NoChangeAspect = true, NoChangeArrowheads = true })
},
new pic.BlipFill(
new a.Blip() { Embed = imagePartId },
new a.SourceRectangle(),
new a.Stretch(
new a.FillRectangle())),
new pic.ShapeProperties(
new a.Transform2D(
new a.Offset() { X = 0L, Y = 0L },
new a.Extents() { Cx = widthInEmus, Cy = heightInEmus }),
new a.PresetGeometry(
new a.AdjustValueList()
) { Preset = a.ShapeTypeValues.Rectangle }
) { BlackWhiteMode = a.BlackWhiteModeValues.Auto })
) { Uri = "http://schemas.openxmlformats.org/drawingml/2006/picture" })
) { DistanceFromTop = (UInt32Value) 0U, DistanceFromBottom = (UInt32Value) 0U, DistanceFromLeft = (UInt32Value) 0U, DistanceFromRight = (UInt32Value) 0U }
);
return img;
}
public SideBorder(w.BorderValues style, Color color, Unit size)
{
this.style = style;
this.color = color;
this.size = size;
}
public static SideBorder Parse(String str)
{
if (str == null)
{
return(SideBorder.Empty);
}
// The properties of a border that can be set, are (in order): border-width, border-style, and border-color.
// It does not matter if one of the values above are missing, e.g. border:solid #ff0000; is allowed.
// The main problem for parsing this attribute is that the browsers allow any permutation of the values... meaning more coding :(
// http://www.w3schools.com/cssref/pr_border.asp
List <String> borderParts = new List <String>(str.Split(HttpUtility.WhiteSpaces, StringSplitOptions.RemoveEmptyEntries));
if (borderParts.Count == 0)
{
return(SideBorder.Empty);
}
// Initialize default values
Unit borderWidth = Unit.Empty;
Color borderColor = Color.Empty;
w.BorderValues borderStyle = w.BorderValues.Nil;
// Now try to guess the values with their permutation
// handle border style
for (int i = 0; i < borderParts.Count; i++)
{
borderStyle = ConverterUtility.ConvertToBorderStyle(borderParts[i]);
if (borderStyle != w.BorderValues.Nil)
{
borderParts.RemoveAt(i); // no need to process this part anymore
break;
}
}
for (int i = 0; i < borderParts.Count; i++)
{
borderWidth = ParseWidth(borderParts[i]);
if (borderWidth.IsValid)
{
borderParts.RemoveAt(i); // no need to process this part anymore
break;
}
}
// find width
if (borderParts.Count > 0)
{
borderColor = ConverterUtility.ConvertToForeColor(borderParts[0]);
}
// returns the instance with default value if needed.
// These value are the ones used by the browser, i.e: solid 3px black
return(new SideBorder(
borderStyle == w.BorderValues.Nil? w.BorderValues.Single : borderStyle,
borderColor.IsEmpty? Color.Black : borderColor,
borderWidth.IsFixed? borderWidth : new Unit(UnitMetric.Pixel, 4)));
}
public SideBorder(w.BorderValues style, Color color, Unit size)
{
this.style = style;
this.color = color;
this.size = size;
}