Exemplo n.º 1
0
        private static void GeneratePicture(WorksheetPart worksheetPart, IXLPicture picture)
        {
            if (!File.Exists(picture.FilePath))
            {
                throw new ArgumentException("image file not found: " + picture.FilePath);
            }

            var drawingsPart = worksheetPart.DrawingsPart ?? worksheetPart.AddNewPart<DrawingsPart>();

            var worksheet = worksheetPart.Worksheet;
            if (!worksheet.ChildElements.OfType<Drawing>().Any())
            {
                var drawing = new Drawing()
                {
                    Id = worksheetPart.GetIdOfPart(drawingsPart),
                };
                worksheet.InsertBefore(drawing, worksheet.Last());
            }

            if (drawingsPart.WorksheetDrawing == null)
            {
                drawingsPart.WorksheetDrawing = new Xdr.WorksheetDrawing();
            }
            var sheetDrawing = drawingsPart.WorksheetDrawing;

            var imagePart = drawingsPart.AddImagePart(XlPictureTypeConverter.Convert(picture.Type));
            int imageWidth, imageHeight;
            float imageResX, imageResY;
            using (var stream = new FileStream(picture.FilePath, FileMode.Open))
            {
                using (var bitmap = new System.Drawing.Bitmap(stream))
                {
                    imageWidth = bitmap.Width;
                    imageHeight = bitmap.Height;
                    imageResX = bitmap.HorizontalResolution;
                    imageResY = bitmap.VerticalResolution;
                }

                stream.Seek(0, SeekOrigin.Begin);
                imagePart.FeedData(stream);
            }

            if (picture.WidthPx == default(int))
            {
                picture.WidthPx = imageWidth;
            }
            if (picture.HeightPx == default(int))
            {
                picture.HeightPx = imageHeight;
            }

            var nvps = sheetDrawing.Descendants<Xdr.NonVisualDrawingProperties>();
            var nvpId = (nvps.Count() > 0) ? (UInt32Value)nvps.Max(prop => prop.Id.Value) + 1 : 1U;

            var pictureLocks = new A.PictureLocks()
            {
                NoChangeAspect = !picture.CanUserChangeAspect,
                NoCrop = !picture.CanUserCrop,
                NoMove = !picture.CanUserMove,
                NoResize = !picture.CanUserResize,
                NoRotation = !picture.CanUserRotate,
                NoSelection = !picture.CanUserSelect,
            };

            OpenXmlCompositeElement cellAnchor;
            {
                var markers = picture.GetMarkers();
                var markerCount = markers.Count();
                if (markerCount == 0)
                {
                    cellAnchor = new Xdr.AbsoluteAnchor(new Xdr.Position() { X = 0, Y = 0 });
                }
                else if (markerCount == 1)
                {
                    cellAnchor = new Xdr.OneCellAnchor(
                        XLMarkerConverter.Convert<Xdr.FromMarker>(
                            markers.First(),
                            (x) => CalcEmuScale(x, imageResX),
                            (y) => CalcEmuScale(y, imageResY)));
                }
                else if (markerCount == 2)
                {
                    var from = markers.First();
                    var to = markers.Last();
                    if (
                        from.RowIndex > to.RowIndex ||
                        from.ColumnIndex > to.ColumnIndex ||
                        (from.RowIndex == to.RowIndex && from.RowOffsetPx > to.RowOffsetPx) ||
                        (from.ColumnIndex == to.ColumnIndex && from.ColumnOffsetPx > to.ColumnOffsetPx)
                        )
                    {
                        throw new ArgumentException("positions of second marker must be larger than those of first marker");
                    }

                    cellAnchor = new Xdr.TwoCellAnchor(
                        XLMarkerConverter.Convert<Xdr.FromMarker>(
                            from,
                            (x) => CalcEmuScale(x, imageResX),
                            (y) => CalcEmuScale(y, imageResY)),
                        XLMarkerConverter.Convert<Xdr.ToMarker>(
                            to,
                            (x) => CalcEmuScale(x, imageResX),
                            (y) => CalcEmuScale(y, imageResY)));
                }
                else
                {
                    throw new ArgumentException("invalid markers count: " + markers.Count());
                }
            }

            var widthEmu = CalcEmuScale(picture.WidthPx, imageResX);
            var heightEmu = CalcEmuScale(picture.HeightPx, imageResY);

            cellAnchor.Append(
                new Xdr.Extent() { Cx = widthEmu, Cy = heightEmu, },

                new Xdr.Picture(
                    new Xdr.NonVisualPictureProperties(
                        new Xdr.NonVisualDrawingProperties()
                        {
                            Id = nvpId,
                            Name = (!string.IsNullOrEmpty(picture.Name)) ? picture.Name : nvpId.ToString() + "_" + Path.GetFileNameWithoutExtension(picture.FilePath),
                            Description = (!string.IsNullOrEmpty(picture.Description)) ? picture.Description : nvpId.ToString() + "_" + Path.GetFileNameWithoutExtension(picture.FilePath),
                        },
                        new Xdr.NonVisualPictureDrawingProperties(pictureLocks)
                    ),
                    new Xdr.BlipFill(
                        new A.Blip() { Embed = drawingsPart.GetIdOfPart(imagePart), CompressionState = A.BlipCompressionValues.Print },
                        new A.Stretch(new A.FillRectangle())
                    ),
                    new Xdr.ShapeProperties(
                        new A.Transform2D(
                            new A.Offset() { X = 0, Y = 0, },
                            new A.Extents() { Cx = widthEmu, Cy = heightEmu }
                        ),
                        new A.PresetGeometry() { Preset = A.ShapeTypeValues.Rectangle }
                    )
                ),
                new Xdr.ClientData()
            );

            sheetDrawing.Append(cellAnchor);

            #if false
            var errors = new DocumentFormat.OpenXml.Validation.OpenXmlValidator().Validate(worksheetPart);
            foreach (var error in errors)
            {
                Console.WriteLine(error.Description);
            }
            if (errors.Count() > 0) Console.Read();
            #endif
        }
Exemplo n.º 2
0
        static void InsertImageTest(Sheet sheet, WorksheetPart sheetPart)
        {
            var filepath = System.IO.Path.GetFullPath(@"..\..\test.jpg");
            int widthPx = 100, heightPx = 100;
            int rowIndex = 2, colomnIndex = 3;
            int rowOffsetPx = 5, columnOffsetPx = 10;

            var imageType = ImagePartType.Jpeg;
            var noChangeAspect = true;
            var noCrop = false;
            var noMove = false;
            var noResize = false;
            var noRotation = false;
            var noSelection = false;

            float imageResX, imageResY;
            using (var bmp = Image.FromFile(filepath) as Bitmap)
            {
                imageResX = bmp.HorizontalResolution;
                imageResY = bmp.VerticalResolution;
            }
            var widthEmu = CalcEmuScale(widthPx, imageResX);
            var heightEmu = CalcEmuScale(heightPx, imageResY);
            var columnOffsetEmu = CalcEmuScale(columnOffsetPx, imageResY);
            var rowOffsetEmu = CalcEmuScale(rowOffsetPx, imageResX);

            var drawingsPart = sheetPart.DrawingsPart ?? sheetPart.AddNewPart<DrawingsPart>();

            if (!sheetPart.Worksheet.ChildElements.OfType<Drawing>().Any())
            {
                sheetPart.Worksheet.Append(new Drawing() { Id = sheetPart.GetIdOfPart(drawingsPart) });
            }

            if (drawingsPart.WorksheetDrawing == null)
            {
                drawingsPart.WorksheetDrawing = new Xdr.WorksheetDrawing();
            }
            var sheetDrawing = drawingsPart.WorksheetDrawing;

            var imagePart = drawingsPart.AddImagePart(imageType);

            using (var stream = new FileStream(filepath, FileMode.Open))
            {
                imagePart.FeedData(stream);
            }

            var nvps = sheetDrawing.Descendants<Xdr.NonVisualDrawingProperties>();
            var nvpId = (nvps.Count() > 0) ? (UInt32Value)nvps.Max(prop => prop.Id.Value) + 1 : 1U;

            var pictureLocks = new A.PictureLocks()
            {
                NoChangeAspect = noChangeAspect,
                NoCrop = noCrop,
                NoMove = noMove,
                NoResize = noResize,
                NoRotation = noRotation,
                NoSelection = noSelection,
            };

            var oneCellAnchor = new Xdr.OneCellAnchor(
                new Xdr.FromMarker()
                {
                    ColumnId = new Xdr.ColumnId((colomnIndex - 1).ToString()),
                    RowId = new Xdr.RowId((rowIndex - 1).ToString()),
                    ColumnOffset = new Xdr.ColumnOffset(columnOffsetEmu.ToString()),
                    RowOffset = new Xdr.RowOffset(rowOffsetEmu.ToString()),
                },

                new Xdr.Extent() { Cx = widthEmu, Cy = heightEmu, },

                new Xdr.Picture(
                    new Xdr.NonVisualPictureProperties(
                        new Xdr.NonVisualDrawingProperties() { Id = nvpId, Name = Path.GetFileName(filepath), Description = filepath, },
                        new Xdr.NonVisualPictureDrawingProperties(pictureLocks)
                        ),
                    new Xdr.BlipFill(
                        new A.Blip() { Embed = drawingsPart.GetIdOfPart(imagePart), CompressionState = A.BlipCompressionValues.Print },
                        new A.Stretch(new A.FillRectangle())
                        ),
                    new Xdr.ShapeProperties(
                        new A.Transform2D(
                            new A.Offset() { X = 0, Y = 0, },
                            new A.Extents() { Cx = widthEmu, Cy = heightEmu }
                            ),
                        new A.PresetGeometry() { Preset = A.ShapeTypeValues.Rectangle }
                        )
                    ),
                new Xdr.ClientData());

            sheetDrawing.Append(oneCellAnchor);

            var errors = new DocumentFormat.OpenXml.Validation.OpenXmlValidator().Validate(sheetPart);
            foreach (var err in errors)
            {
                Console.WriteLine(err.Description);
            }
            if(errors.Count() > 0)
            {
                Console.Read();
            }
        }
Exemplo n.º 3
0
        static void InsertImageTest(Sheet sheet, WorksheetPart sheetPart)
        {
            var filepath = System.IO.Path.GetFullPath(@"..\..\test.jpg");
            int widthPx = 100, heightPx = 100;
            int rowIndex = 2, colomnIndex = 3;
            int rowOffsetPx = 5, columnOffsetPx = 10;

            var imageType      = ImagePartType.Jpeg;
            var noChangeAspect = true;
            var noCrop         = false;
            var noMove         = false;
            var noResize       = false;
            var noRotation     = false;
            var noSelection    = false;

            float imageResX, imageResY;

            using (var bmp = Image.FromFile(filepath) as Bitmap)
            {
                imageResX = bmp.HorizontalResolution;
                imageResY = bmp.VerticalResolution;
            }
            var widthEmu        = CalcEmuScale(widthPx, imageResX);
            var heightEmu       = CalcEmuScale(heightPx, imageResY);
            var columnOffsetEmu = CalcEmuScale(columnOffsetPx, imageResY);
            var rowOffsetEmu    = CalcEmuScale(rowOffsetPx, imageResX);

            var drawingsPart = sheetPart.DrawingsPart ?? sheetPart.AddNewPart <DrawingsPart>();

            if (!sheetPart.Worksheet.ChildElements.OfType <Drawing>().Any())
            {
                sheetPart.Worksheet.Append(new Drawing()
                {
                    Id = sheetPart.GetIdOfPart(drawingsPart)
                });
            }

            if (drawingsPart.WorksheetDrawing == null)
            {
                drawingsPart.WorksheetDrawing = new Xdr.WorksheetDrawing();
            }
            var sheetDrawing = drawingsPart.WorksheetDrawing;

            var imagePart = drawingsPart.AddImagePart(imageType);

            using (var stream = new FileStream(filepath, FileMode.Open))
            {
                imagePart.FeedData(stream);
            }

            var nvps  = sheetDrawing.Descendants <Xdr.NonVisualDrawingProperties>();
            var nvpId = (nvps.Count() > 0) ? (UInt32Value)nvps.Max(prop => prop.Id.Value) + 1 : 1U;

            var pictureLocks = new A.PictureLocks()
            {
                NoChangeAspect = noChangeAspect,
                NoCrop         = noCrop,
                NoMove         = noMove,
                NoResize       = noResize,
                NoRotation     = noRotation,
                NoSelection    = noSelection,
            };

            var oneCellAnchor = new Xdr.OneCellAnchor(
                new Xdr.FromMarker()
            {
                ColumnId     = new Xdr.ColumnId((colomnIndex - 1).ToString()),
                RowId        = new Xdr.RowId((rowIndex - 1).ToString()),
                ColumnOffset = new Xdr.ColumnOffset(columnOffsetEmu.ToString()),
                RowOffset    = new Xdr.RowOffset(rowOffsetEmu.ToString()),
            },

                new Xdr.Extent()
            {
                Cx = widthEmu, Cy = heightEmu,
            },

                new Xdr.Picture(
                    new Xdr.NonVisualPictureProperties(
                        new Xdr.NonVisualDrawingProperties()
            {
                Id = nvpId, Name = Path.GetFileName(filepath), Description = filepath,
            },
                        new Xdr.NonVisualPictureDrawingProperties(pictureLocks)
                        ),
                    new Xdr.BlipFill(
                        new A.Blip()
            {
                Embed = drawingsPart.GetIdOfPart(imagePart), CompressionState = A.BlipCompressionValues.Print
            },
                        new A.Stretch(new A.FillRectangle())
                        ),
                    new Xdr.ShapeProperties(
                        new A.Transform2D(
                            new A.Offset()
            {
                X = 0, Y = 0,
            },
                            new A.Extents()
            {
                Cx = widthEmu, Cy = heightEmu
            }
                            ),
                        new A.PresetGeometry()
            {
                Preset = A.ShapeTypeValues.Rectangle
            }
                        )
                    ),
                new Xdr.ClientData());

            sheetDrawing.Append(oneCellAnchor);

            var errors = new DocumentFormat.OpenXml.Validation.OpenXmlValidator().Validate(sheetPart);

            foreach (var err in errors)
            {
                Console.WriteLine(err.Description);
            }
            if (errors.Count() > 0)
            {
                Console.Read();
            }
        }