/// <summary>
/// 获取样式名称
/// </summary>
/// <param name="source"></param>
/// <returns></returns>
public static string GetCssName(this ColumnOffset source)
{
var result = new StringBuilder();
foreach (var item in ColumnOffsetFlags.From(source))
{
if ((item & source) == item)
{
if (result.Length > 0)
{
result.Append(" ");
}
result.Append("col-");
result.Append(item.ToString().Substring(0, 2).ToLower());
result.Append("-offset-");
result.Append(item.ToString().Substring(2));
}
}
return(result.ToString());
}
/// <summary>
/// 移除样式
/// </summary>
/// <param name="source"></param>
/// <param name="column"></param>
/// <returns></returns>
public static IHtmlElement RemoveClass(this IHtmlElement source, ColumnOffset column)
{
source.RemoveClass(column.GetCssName());
return(source);
}
private void PlaceImageOnCell(Worksheet worksheet, Bitmap image, int Col, int Row, double colWid, double rowHeight, string type, string imgName = "", string imgDesc = "")//, float? W, float? H)
{
Dictionary <string, ImagePartType> mimeToImagePartType = new Dictionary <string, ImagePartType>()
{
{ "image/bmp", ImagePartType.Bmp },
{ "image/gif", ImagePartType.Gif },
{ "image/jpg", ImagePartType.Jpeg },
{ "image/jpeg", ImagePartType.Jpeg },
{ "image/png", ImagePartType.Png },
{ "image/tiff", ImagePartType.Tiff }
};
try
{
ImagePart imagePart;
ImagePartType ip;
if (!mimeToImagePartType.TryGetValue(type, out ip))
{
ip = ImagePartType.Jpeg;
}
WorksheetDrawing wsd;
DrawingsPart dp;
WorksheetPart worksheetPart = worksheet.WorksheetPart;
double imgMargin = 5;
//string sImagePath = "D:/Documents/Source/Repos/DarrylSite/DarrylSite/Images/DC.png";
if (worksheetPart.DrawingsPart == null)
{
dp = worksheetPart.AddNewPart <DrawingsPart>();
imagePart = dp.AddImagePart(ip, worksheetPart.GetIdOfPart(dp));
wsd = new WorksheetDrawing();
}
else
{
dp = worksheetPart.DrawingsPart;
imagePart = dp.AddImagePart(ip);
dp.CreateRelationshipToPart(imagePart);
wsd = dp.WorksheetDrawing;
}
NonVisualDrawingProperties nvdp = new NonVisualDrawingProperties();
nvdp.Id = GetNextImageId();
nvdp.Name = imgName;
nvdp.Description = imgDesc;
DocumentFormat.OpenXml.Drawing.PictureLocks picLocks = new DocumentFormat.OpenXml.Drawing.PictureLocks();
picLocks.NoChangeAspect = true;
picLocks.NoChangeArrowheads = true;
NonVisualPictureDrawingProperties nvpdp = new NonVisualPictureDrawingProperties();
nvpdp.PictureLocks = picLocks;
NonVisualPictureProperties nvpp = new NonVisualPictureProperties();
nvpp.NonVisualDrawingProperties = nvdp;
nvpp.NonVisualPictureDrawingProperties = nvpdp;
DocumentFormat.OpenXml.Drawing.Stretch stretch = new DocumentFormat.OpenXml.Drawing.Stretch();
stretch.FillRectangle = new DocumentFormat.OpenXml.Drawing.FillRectangle();
BlipFill blipFill = new BlipFill();
DocumentFormat.OpenXml.Drawing.Blip blip = new DocumentFormat.OpenXml.Drawing.Blip();
blip.Embed = dp.GetIdOfPart(imagePart);
blip.CompressionState = DocumentFormat.OpenXml.Drawing.BlipCompressionValues.Email;
/*
* string outerXml =
* "<a:ext uri=\"{28A0092B-C50C-407E-A947-70E740481C1C}\">" +
* "<a14:useLocalDpi xmlns:a14 = \"http://schemas.microsoft.com/office/drawing/2010/main\"/>" +
* "</a:ext> ";
*
* string outerXml = "uri=\"{28A0092B-C50C-407E-A947-70E740481C1C}\">";
*/
A14.UseLocalDpi localDpi = new A14.UseLocalDpi();
/*
* ExtensionList extLst = new ExtensionList();
* Extension extsn = new Extension(localDpi);
* extsn.Uri = "{28A0092B-C50C-407E-A947-70E740481C1C}";
* extLst.Append(extsn);
* blip.Append(extLst);
*/
A.BlipExtensionList blipExtLst = new A.BlipExtensionList();
A.BlipExtension blipExt = new A.BlipExtension()
{
Uri = "{28A0092B-C50C-407E-A947-70E740481C1C}"
};
localDpi.AddNamespaceDeclaration("a14", "http://schemas.microsoft.com/office/drawing/2010/main");
blipExt.Append(localDpi);
blipExtLst.Append(blipExt);
blip.Append(blipExtLst);
blip.Append();
blipFill.Blip = blip;
blipFill.SourceRectangle = new DocumentFormat.OpenXml.Drawing.SourceRectangle();
blipFill.Append(stretch);
DocumentFormat.OpenXml.Drawing.Transform2D t2d = new DocumentFormat.OpenXml.Drawing.Transform2D();
DocumentFormat.OpenXml.Drawing.Offset offset = new DocumentFormat.OpenXml.Drawing.Offset();
offset.X = 0;
offset.Y = 0;
t2d.Offset = offset;
//Bitmap bm = new Bitmap(sImagePath);
//http://en.wikipedia.org/wiki/English_Metric_Unit#DrawingML
//http://stackoverflow.com/questions/1341930/pixel-to-centimeter
//http://stackoverflow.com/questions/139655/how-to-convert-pixels-to-points-px-to-pt-in-net-c
DocumentFormat.OpenXml.Drawing.Extents extents = new DocumentFormat.OpenXml.Drawing.Extents();
//extents.Cy = (long)image.Height * (long)((float)914400 / image.VerticalResolution);
//extents.Cy = (int)(rowHeight * 72 / 96 * (100 - (2 * imgMargin)) / 100) * 12700;
extents.Cy = (int)((rowHeight * 72 / 96 * 12700) * (((100 - (2 * imgMargin)) / 100)));
//extents.Cx = (int)(((((colWid - 1) * 7) + 12) * 12700) * (.5 * image.Height / image.Width));
//extents.Cx = (int)(((((colWid - 1) * 7) + 12) * 12700) * (.5 * extents.Cy / image.Width));
extents.Cx = image.Width * extents.Cy / image.Height;
;
t2d.Extents = extents;
ShapeProperties sp = new ShapeProperties();
sp.BlackWhiteMode = DocumentFormat.OpenXml.Drawing.BlackWhiteModeValues.Auto;
sp.Transform2D = t2d;
DocumentFormat.OpenXml.Drawing.PresetGeometry prstGeom = new DocumentFormat.OpenXml.Drawing.PresetGeometry();
prstGeom.Preset = DocumentFormat.OpenXml.Drawing.ShapeTypeValues.Rectangle;
prstGeom.AdjustValueList = new DocumentFormat.OpenXml.Drawing.AdjustValueList();
sp.Append(prstGeom);
sp.Append(new DocumentFormat.OpenXml.Drawing.NoFill());
DocumentFormat.OpenXml.Drawing.Spreadsheet.Picture picture = new DocumentFormat.OpenXml.Drawing.Spreadsheet.Picture();
picture.NonVisualPictureProperties = nvpp;
picture.BlipFill = blipFill;
picture.ShapeProperties = sp;
Xdr.FromMarker fromMarker = new Xdr.FromMarker();
Xdr.ToMarker toMarker = new Xdr.ToMarker();
// From
ColumnId columnId1 = new ColumnId();
columnId1.Text = Col.ToString();
ColumnOffset columnOffset1 = new ColumnOffset();
//columnOffset1.Text = "228600";
double colloff = ((((colWid - 1) * 7) + 12) * 12700) * 72 / 96;
colloff -= extents.Cx;
colloff /= 2;
colloff = (int)colloff;
columnOffset1.Text = colloff.ToString();
RowId rowId1 = new RowId();
rowId1.Text = Row.ToString();
RowOffset rowOffset1 = new RowOffset();
double rowoff = (int)((rowHeight * 72 / 96 * 12700) * (imgMargin / 100));
rowOffset1.Text = (rowoff).ToString();
fromMarker.Append(columnId1);
fromMarker.Append(columnOffset1);
fromMarker.Append(rowId1);
fromMarker.Append(rowOffset1);
// To
ColumnId columnId2 = new ColumnId();
ColumnOffset columnOffset2 = new ColumnOffset();
RowId rowId2 = new RowId();
RowOffset rowOffset2 = new RowOffset();
columnId2.Text = (Col).ToString();
columnOffset2.Text = "0";// "152381";
// Margin is accounted for, so take it off the width
columnOffset2.Text = (extents.Cx + colloff).ToString();
rowId2.Text = (Row).ToString();
rowOffset2.Text = "4572000"; // 4572000 = 12700 (#EMUs/pixel) * 45 (Olivia's cell height in Excel Cell units (aka 60 pixels)) * 8 (???)
rowOffset2.Text = (extents.Cy + rowoff).ToString(); //
toMarker.Append(columnId2);
toMarker.Append(columnOffset2);
toMarker.Append(rowId2);
toMarker.Append(rowOffset2);
//Position pos = new Position(); pos.X = Row; pos.Y = Col;
Extent ext = new Extent(); ext.Cx = extents.Cx; ext.Cy = extents.Cy;
TwoCellAnchor anchor = new TwoCellAnchor();
//OneCellAnchor anchor = new OneCellAnchor();
anchor.Append(fromMarker);
anchor.Append(toMarker);
//anchor.Extent = ext;
//anchor.Append(toMarker);
anchor.Append(picture);
anchor.Append(new ClientData());
wsd.Append(anchor);
{
MemoryStream imgStream = new MemoryStream();
ImageCodecInfo[] codecs = ImageCodecInfo.GetImageEncoders();
ImageCodecInfo codec = codecs.First(c => c.MimeType == type);
Guid imgGuid = codec.FormatID;
ImageFormat imf = new ImageFormat(imgGuid);
float h = image.HorizontalResolution;
float v = image.VerticalResolution;
Bitmap compressedImage = new Bitmap(64, 64);//, gr);
Rectangle rect = new Rectangle(0, 0, 64, 64);
Graphics gr = Graphics.FromImage(compressedImage);
gr.DrawImage(image, rect);
compressedImage.SetResolution(48, 48);
compressedImage.Save(imgStream, imf);
gr.Dispose();
compressedImage.Dispose();
imgStream.Position = 0;
imagePart.FeedData(imgStream);
imgStream.Dispose();
}
if (drawing == null)
{
drawing = new Drawing();
drawing.Id = dp.GetIdOfPart(imagePart);
worksheet.Append(drawing);
}
wsd.Save(dp);
worksheetPart.Worksheet.Save();
/* Sheets sheets = new Sheets();Sheet sheet = new Sheet();sheet.Name = "Sheet1";sheet.SheetId = 1;sheet.Id = wbp.GetIdOfPart(wsp);sheets.Append(sheet);wb.Append(sheets); */
}
catch (Exception e)
{
ModelState.AddModelError("Caught fatal exception placing image", e);
Trace.TraceError($"OJException: Could not place image {e.Message}");
}
}
