C#在PDF中绘制不同风格类型的文本方法实例

2020-01-05 09:17:51于海丽

PdfFont font = new PdfFont(PdfFontFamily.Helvetica, 18f);
PdfSolidBrush brush1 = new PdfSolidBrush(Color.DeepSkyBlue);
PdfSolidBrush brush2 = new PdfSolidBrush(Color.CadetBlue);
PdfSolidBrush brush3 = new PdfSolidBrush(Color.LightPink);

步骤4:指定文本在画布上的坐标,并指定文本的横向、纵向的拉伸度


page.Canvas.TranslateTransform(10, 100);
page.Canvas.ScaleTransform(1f, 0.6f);

步骤5:绘制文本


//绘制倾斜样式的文本
 page.Canvas.SkewTransform(-10, 0);
 page.Canvas.DrawString("THERE IS NO ROYAL ROAD TO LEARNING. ", font, brush1, 0, 0);
 page.Canvas.SkewTransform(10, 10);
 page.Canvas.DrawString("Books, like friends, should be few and well chosen. ", font, brush2, 10, 50);

 //绘制缩放类型的文本
 page.Canvas.ScaleTransform(1f, -1f);
 page.Canvas.DrawString("Books, like friends, should be few and well chosen.", font, brush3, 10, -2 * 50);

步骤6:再次保存画布


page.Canvas.Restore(state);

步骤7:保存文件


doc.SaveToFile("DrawText.pdf");
System.Diagnostics.Process.Start("DrawText.pdf");

测试效果:

C#,PDF,类型,文本方法

全部代码:


using Spire.Pdf;
using Spire.Pdf.Graphics;
using System.Drawing;

namespace DrawTextOfDifferentStyles_PDF
{
 class Program
 {
 static void Main(string[] args)
 {
 PdfDocument doc = new PdfDocument(); //创建一个PDF文档
 PdfPageBase page = doc.Pages.Add(); //添加页 
 
 PdfGraphicsState state = page.Canvas.Save();

 //实例化字体,创建格式刷 
 PdfFont font = new PdfFont(PdfFontFamily.Helvetica, 18f);
 PdfSolidBrush brush1 = new PdfSolidBrush(Color.DeepSkyBlue);
 PdfSolidBrush brush2 = new PdfSolidBrush(Color.CadetBlue);
 PdfSolidBrush brush3 = new PdfSolidBrush(Color.LightPink);

 page.Canvas.TranslateTransform(10, 100);//指定文本在画布上的坐标位置
 page.Canvas.ScaleTransform(1f, 0.6f);//指定文本的横向、纵向的拉伸度

 //绘制倾斜样式的文本
 page.Canvas.SkewTransform(-10, 0);
 page.Canvas.DrawString("THERE IS NO ROYAL ROAD TO LEARNING. ", font, brush1, 0, 0);
 page.Canvas.SkewTransform(10, 10);
 page.Canvas.DrawString("Books, like friends, should be few and well chosen. ", font, brush2, 10, 50);

 //绘制缩放类型的文本
 page.Canvas.ScaleTransform(1f, -1f);
 page.Canvas.DrawString("Books, like friends, should be few and well chosen.", font, brush3, 10, -2 * 50);

 //再次保存画布
 page.Canvas.Restore(state);

 //保存并打开文档
 doc.SaveToFile("DrawText.pdf");
 System.Diagnostics.Process.Start("DrawText.pdf");
 }
 }
}