Word格式处理控件Aspose.Words for .NET形状处理教程——处理Aspose.Words中的形状

Aspose.Words For .NET是一种高级Word文档处理API，用于执行各种文档管理和操作任务。API支持生成，修改，转换，呈现和打印文档，而无需在跨平台应用程序中直接使用Microsoft Word。此外，API支持所有流行的Word处理文件格式，并允许将Word文档导出或转换为固定布局文件格式和最常用的图像/多媒体格式。

本文讨论如何使用Aspose.Words以编程方式处理形状。Aspose.Words中的形状表示 绘图层中的对象，例如AutoShape，文本框，自由格式，OLE对象，ActiveX控件或图片。 Word文档可以包含一个或多个不同的形状。文档的形状由Shape类表示。

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使用文档生成器插入形状

Document doc = new Document();
DocumentBuilder builder = new DocumentBuilder(doc);

//Free-floating shape insertion.
Shape shape = builder.InsertShape(ShapeType.TextBox, RelativeHorizontalPosition.Page, 100, RelativeVerticalPosition.Page, 100, 50, 50, WrapType.None);
shape.Rotation = 30.0;

builder.Writeln();

//Inline shape insertion.
shape = builder.InsertShape(ShapeType.TextBox, 50, 50);
shape.Rotation = 30.0;

OoxmlSaveOptions so = new OoxmlSaveOptions(SaveFormat.Docx);
// "Strict" or "Transitional" compliance allows to save shape as DML.
so.Compliance = OoxmlCompliance.Iso29500_2008_Transitional;

dataDir = dataDir + "Shape_InsertShapeUsingDocumentBuilder_out.docx";

// Save the document to disk.
doc.Save(dataDir, so);

设置宽高比锁定

Document doc = new Document();
DocumentBuilder builder = new DocumentBuilder(doc);
var shape = builder.InsertImage(dataDir + "Test.png");
shape.AspectRatioLocked = false;

dataDir = dataDir + "Shape_AspectRatioLocked_out.doc";

// Save the document to disk.
doc.Save(dataDir);

在单元格中设置形状布局

Document doc = new Document(dataDir + @"LayoutInCell.docx");
DocumentBuilder builder = new DocumentBuilder(doc);

Shape watermark = new Shape(doc, ShapeType.TextPlainText);
watermark.RelativeHorizontalPosition = RelativeHorizontalPosition.Page;
watermark.RelativeVerticalPosition = RelativeVerticalPosition.Page;
watermark.IsLayoutInCell = true; // Display the shape outside of table cell if it will be placed into a cell.

watermark.Width = 300;
watermark.Height = 70;
watermark.HorizontalAlignment = HorizontalAlignment.Center;
watermark.VerticalAlignment = VerticalAlignment.Center;

watermark.Rotation = -40;
watermark.Fill.Color = Color.Gray;
watermark.StrokeColor = Color.Gray;

watermark.TextPath.Text = "watermarkText";
watermark.TextPath.FontFamily = "Arial";

watermark.Name = string.Format("WaterMark_{0}", Guid.NewGuid());
watermark.WrapType = WrapType.None;

Run run = doc.GetChildNodes(NodeType.Run, true)[doc.GetChildNodes(NodeType.Run, true).Count - 1] as Run;

builder.MoveTo(run);
builder.InsertNode(watermark);
doc.CompatibilityOptions.OptimizeFor(MsWordVersion.Word2010);

dataDir = dataDir + "Shape_IsLayoutInCell_out.docx";

// Save the document to disk.
doc.Save(dataDir);

添加角落

Document doc = new Document();
DocumentBuilder builder = new DocumentBuilder(doc);
Shape shape = builder.InsertShape(ShapeType.TopCornersSnipped, 50, 50);

OoxmlSaveOptions so = new OoxmlSaveOptions(SaveFormat.Docx);
so.Compliance = OoxmlCompliance.Iso29500_2008_Transitional;
dataDir = dataDir + "AddCornersSnipped_out.docx";

//Save the document to disk.
doc.Save(dataDir, so);

获取实际形状边界点

Document doc = new Document();
DocumentBuilder builder = new DocumentBuilder(doc);
var shape = builder.InsertImage(dataDir + "Test.png");
shape.AspectRatioLocked = false;

Console.Write("\nGets the actual bounds of the shape in points.");
Console.WriteLine(shape.GetShapeRenderer().BoundsInPoints);

指定垂直锚

Document doc = new Document(dataDir + @"VerticalAnchor.docx");
NodeCollection shapes = doc.GetChildNodes(NodeType.Shape, true);
Shape textBoxShape = shapes[0] as Shape;
if (textBoxShape != null)
{
    textBoxShape.TextBox.VerticalAnchor = TextBoxAnchor.Bottom;
}
doc.Save(dataDir + "VerticalAnchor_out.docx");

检测SmartArt形状

Document doc = new Document(dataDir + "input.docx");

int count = 0;
foreach (Shape shape in doc.GetChildNodes(NodeType.Shape, true))
{
    if (shape.HasSmartArt)
        count++;
}

Console.WriteLine("The document has {0} shapes with SmartArt.", count);

水平尺格式

Aspose.Words API提供Shape.HorizontalRuleFormat属性，以访问水平规则形状的属性。HorizontalRuleFormat类公开了用于设置水平尺的基本属性，例如Height，Color，NoShade等。下面的代码示例演示如何设置HorizontalRuleFormat。

DocumentBuilder builder = new DocumentBuilder();

Shape shape = builder.InsertHorizontalRule();
HorizontalRuleFormat horizontalRuleFormat = shape.HorizontalRuleFormat;

horizontalRuleFormat.Alignment = HorizontalRuleAlignment.Center;
horizontalRuleFormat.WidthPercent = 70;
horizontalRuleFormat.Height = 3;
horizontalRuleFormat.Color = Color.Blue;
horizontalRuleFormat.NoShade = true;

builder.Document.Save("HorizontalRuleFormat.docx");

插入OLE对象作为图标

Aspose.Words API提供了Shape.InsertOleObjectAsIcon函数，以将嵌入式或链接的OLE对象作为图标插入文档。此功能允许指定图标文件和标题。OLE对象类型应使用文件扩展名进行检测。下面的代码示例演示如何将OLE对象作为Icon设置到文档中。

Document doc = new Document();

DocumentBuilder builder = new DocumentBuilder(doc);
Shape shape = builder.InsertOleObjectAsIcon(dataDir + "embedded.xlsx", false, dataDir + "icon.ico", "My embedded file");

doc.Save(dataDir + "EmbeddeWithIcon_out.docx");

Console.WriteLine("The document has been saved with OLE Object as an Icon.");