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;
}
}
}