MultiFormattedText.cs
- // 完毕:
- using System;
- using System.IO;
- using System.Drawing;
- using GrapeCity.Documents.Drawing;
- using GrapeCity.Documents.Pdf;
- using GrapeCity.Documents.Text;
-
- namespace DsPdfWeb.Demos.Basics
- {
- // 该示例展示了如何使用不同的文本格式
- // (字体、颜色)在一个段落中。
- public class MultiFormattedText
- {
- public int CreatePDF(Stream stream)
- {
- // 生成引用其格式选项的示例文本的函数:
- Func<TextFormat, string> makeSampleText = (tf_) =>
- {
- string boldItalic = string.Empty;
- if (tf_.Font.FontBold)
- boldItalic = "bold ";
- if (tf_.Font.FontItalic)
- boldItalic += "italic ";
- if (boldItalic == string.Empty)
- boldItalic = "normal ";
- return $"This is {boldItalic}text drawn using font '{tf_.Font.FullFontName}', font size {tf_.FontSize} points, " +
- $"text color {tf_.ForeColor}, background color {tf_.BackColor}. ";
- };
- // 字体名称:
- const string times = "times new roman";
- const string arial = "arial";
- // 创建文档和文本布局:
- var doc = new GcPdfDocument();
- var page = doc.NewPage();
- var g = page.Graphics;
- var tl = g.CreateTextLayout();
- // 使用 TextLayout 布局整个页面并保持边距:
- tl.MaxHeight = page.Size.Height;
- tl.MaxWidth = page.Size.Width;
- tl.MarginAll = 72;
- // 获取一些字体:
- var fc = new FontCollection();
- fc.RegisterDirectory(Path.Combine("Resources", "Fonts"));
- var fTimes = fc.FindFamilyName(times, false, false);
- var fTimesBold = fc.FindFamilyName(times, true, false);
- var fTimesItalic = fc.FindFamilyName(times, false, true);
- var fTimesBoldItalic = fc.FindFamilyName(times, true, true);
- var fArial = fc.FindFamilyName(arial, false, false);
- // 使用不同的字体和字体大小将文本添加到 TextLayout:
- var tf = new TextFormat() { Font = fTimes, FontSize = 12, };
- tl.Append(makeSampleText(tf), tf);
- tf.Font = fTimesBold;
- tf.FontSize += 2;
- tl.Append(makeSampleText(tf), tf);
- tf.Font = fTimesItalic;
- tf.FontSize += 2;
- tl.Append(makeSampleText(tf), tf);
- tf.Font = fTimesBoldItalic;
- tf.FontSize += 2;
- tl.Append(makeSampleText(tf), tf);
- tf.Font = fArial;
- tf.FontSize += 2;
- tl.Append(makeSampleText(tf), tf);
- // 添加具有不同前景色和背景色的文本:
- tf.Font = fTimesBold;
- tf.ForeColor = Color.Tomato;
- tl.Append(makeSampleText(tf), tf);
- tf.Font = fTimesBoldItalic;
- tf.FontSize = 16;
- tf.ForeColor = Color.SlateBlue;
- tf.BackColor = Color.Orange;
- tl.Append(makeSampleText(tf), tf);
- // 再次在透明上涂上纯黑色:
- tl.Append("The end.", new TextFormat() { Font = fTimes, FontSize = 14, });
- // 布局和绘制文本:
- tl.PerformLayout(true);
- g.DrawTextLayout(tl, PointF.Empty);
- // 完毕:
- doc.Save(stream);
- return doc.Pages.Count;
- }
- }
- }
-