WatermarkerContext

WatermarkerContext class

文档水印上下文。

public class WatermarkerContext : ProcessorContext

构造函数

姓名描述
WatermarkerContext()默认构造函数。

特性

姓名描述
FontSettings { get; set; }处理器使用的字体设置。
ImageWatermark { get; set; }用作水印的图像字节。
ImageWatermarkOptions { get; }文本水印选项。
LayoutOptions { get; }处理器使用的文档布局选项。
TextWatermark { get; set; }用作水印的文本。
TextWatermarkOptions { get; }图像水印选项。
WarningCallback { get; set; }处理器使用的警告回调。

例子

显示如何使用上下文将水印文本插入文档。

string doc = MyDir + "Big document.docx";
string watermarkText = "This is a watermark";

WatermarkerContext watermarkerContext = new WatermarkerContext();
watermarkerContext.TextWatermark = watermarkText;

watermarkerContext.TextWatermarkOptions.Color = Color.Red;

Watermarker.Create(watermarkerContext)
    .From(doc)
    .To(ArtifactsDir + "LowCode.WatermarkContextText.docx")
    .Execute();

显示如何使用上下文将水印图像插入到文档中。

string doc = MyDir + "Document.docx";
string watermarkImage = ImageDir + "Logo.jpg";

WatermarkerContext watermarkerContext = new WatermarkerContext();
watermarkerContext.ImageWatermark = File.ReadAllBytes(watermarkImage);

watermarkerContext.ImageWatermarkOptions.Scale = 50;

Watermarker.Create(watermarkerContext)
    .From(doc)
    .To(ArtifactsDir + "LowCode.WatermarkContextImage.docx")
    .Execute();

展示如何使用上下文从流中将水印文本插入到文档中。

string watermarkText = "This is a watermark";

using (FileStream streamIn = new FileStream(MyDir + "Document.docx", FileMode.Open, FileAccess.Read))
{
    WatermarkerContext watermarkerContext = new WatermarkerContext();
    watermarkerContext.TextWatermark = watermarkText;

    watermarkerContext.TextWatermarkOptions.Color = Color.Red;

    using (FileStream streamOut = new FileStream(ArtifactsDir + "LowCode.WatermarkContextTextStream.docx", FileMode.Create, FileAccess.ReadWrite))
        Watermarker.Create(watermarkerContext)
            .From(streamIn)
            .To(streamOut, SaveFormat.Docx)
            .Execute();
}

展示如何使用上下文从流中将水印图像插入到文档中。

string watermarkImage = ImageDir + "Logo.jpg";

using (FileStream streamIn = new FileStream(MyDir + "Document.docx", FileMode.Open, FileAccess.Read))
{
    WatermarkerContext watermarkerContext = new WatermarkerContext();
    watermarkerContext.ImageWatermark = File.ReadAllBytes(watermarkImage);

    watermarkerContext.ImageWatermarkOptions.Scale = 50;

    using (FileStream streamOut = new FileStream(ArtifactsDir + "LowCode.WatermarkContextImageStream.docx", FileMode.Create, FileAccess.ReadWrite))
        Watermarker.Create(watermarkerContext)
            .From(streamIn)
            .To(streamOut, SaveFormat.Docx)
            .Execute();
}

也可以看看

Watermarker Class