■ TextFormatter 클래스의 FormatLine 메소드를 사용해 문서 서식과 내용 표시를 위한 텍스트 라인을 만드는 방법을 보여준다.
▶ CustomTextRunProperties.cs
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using System.Globalization; using System.Windows; using System.Windows.Media; using System.Windows.Media.TextFormatting; namespace TestProject { /// <summary> /// 커스텀 텍스트 런 속성 /// </summary> public class CustomTextRunProperties : TextRunProperties { //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 문화 정보 - CultureInfo /// <summary> /// 문화 정보 /// </summary> public override CultureInfo CultureInfo { get { return CultureInfo.CurrentUICulture; } } #endregion #region 배경 브러시 - BackgroundBrush /// <summary> /// 배경 브러시 /// </summary> public override Brush BackgroundBrush { get { return Brushes.Transparent; } } #endregion #region 전경 브러시 - ForegroundBrush /// <summary> /// 전경 브러시 /// </summary> public override Brush ForegroundBrush { get { return Brushes.Teal; } } #endregion #region 타입 페이스 - Typeface /// <summary> /// 타입 페이스 /// </summary> public override Typeface Typeface { get { return new Typeface("Narkism"); } } #endregion #region 폰트 힌트 EM 크기 - FontHintingEmSize /// <summary> /// 폰트 힌트 EM 크기 /// </summary> public override double FontHintingEmSize { get { return 24.0; } } #endregion #region 폰트 렌더링 EM 크기 - FontRenderingEmSize /// <summary> /// 폰트 렌더링 EM 크기 /// </summary> public override double FontRenderingEmSize { get { return 24.0; } } #endregion #region 텍스트 데코레이션 컬렉션 - TextDecorations /// <summary> /// 텍스트 데코레이션 컬렉션 /// </summary> public override TextDecorationCollection TextDecorations { get { return null; } } #endregion #region 텍스트 효과 컬렉션 - TextEffects /// <summary> /// 텍스트 효과 컬렉션 /// </summary> public override TextEffectCollection TextEffects { get { return null; } } #endregion } } |
▶ CustomTextParagraphProperties.cs
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using System.Windows; using System.Windows.Media.TextFormatting; namespace TestProject { /// <summary> /// 커스텀 텍스트 문단 속성 /// </summary> public class CustomTextParagraphProperties : TextParagraphProperties { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 커스텀 텍스트 런 속성 /// </summary> private CustomTextRunProperties customTextRunProperties = new CustomTextRunProperties(); #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 디폴트 텍스트 런 속성 - DefaultTextRunProperties /// <summary> /// 디폴트 텍스트 런 속성 /// </summary> public override TextRunProperties DefaultTextRunProperties { get { return this.customTextRunProperties; } } #endregion #region 문단에서 첫번째 라인 - FirstLineInParagraph /// <summary> /// 문단에서 첫번째 라인 /// </summary> public override bool FirstLineInParagraph { get { return true; } } #endregion #region 플로우 방향 - FlowDirection /// <summary> /// 플로우 방향 /// </summary> public override FlowDirection FlowDirection { get { return FlowDirection.LeftToRight; } } #endregion #region 들여쓰기 - Indent /// <summary> /// 들여쓰기 /// </summary> public override double Indent { get { return 0; } } #endregion #region 라인 높이 - LineHeight /// <summary> /// 라인 높이 /// </summary> public override double LineHeight { get { return 24; } } #endregion #region 텍스트 정렬 - TextAlignment /// <summary> /// 텍스트 정렬 /// </summary> public override TextAlignment TextAlignment { get { return TextAlignment.Left; } } #endregion #region 텍스트 마커 속성 - TextMarkerProperties /// <summary> /// 텍스트 마커 속성 /// </summary> public override TextMarkerProperties TextMarkerProperties { get { return null; } } #endregion #region 텍스트 랩핑 - TextWrapping /// <summary> /// 텍스트 랩핑 /// </summary> public override TextWrapping TextWrapping { get { return TextWrapping.Wrap; } } #endregion } } |
▶ CustomTextSource.cs
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using System; using System.Windows.Media.TextFormatting; namespace TestProject { /// <summary> /// 커스텀 텍스트 소스 /// </summary> public class CustomTextSource : TextSource { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 텍스트 /// </summary> private string text; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 텍스트 - Text /// <summary> /// 텍스트 /// </summary> public string Text { get { return this.text; } set { this.text = value; } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Public #region 텍스트 런 구하기 - GetTextRun(textSourceCharacterIndex) /// <summary> /// 텍스트 런 구하기 /// </summary> /// <param name="textSourceCharacterIndex">텍스트 소스 문자 인덱스</param> /// <returns>텍스트 런</returns> public override TextRun GetTextRun(int textSourceCharacterIndex) { if(textSourceCharacterIndex < 0) { throw new ArgumentOutOfRangeException ( "textSourceCharacterIndex", "Value must be greater than 0." ); } if(textSourceCharacterIndex >= this.text.Length) { return new TextEndOfParagraph(1); } if(textSourceCharacterIndex < this.text.Length) { TextCharacters textCharacters = new TextCharacters ( this.text, textSourceCharacterIndex, this.text.Length - textSourceCharacterIndex, new CustomTextRunProperties() ); return textCharacters; } return new TextEndOfParagraph(1); } #endregion #region 선행 텍스트 구하기 - GetPrecedingText(textSourceCharacterIndexLimit) /// <summary> /// 선행 텍스트 구하기 /// </summary> /// <param name="textSourceCharacterIndexLimit">텍스트 소스 문자 인덱스 제한</param> /// <returns>텍스트 범위</returns> public override TextSpan<CultureSpecificCharacterBufferRange> GetPrecedingText(int textSourceCharacterIndexLimit) { throw new Exception("The method or operation is not implemented."); } #endregion #region 텍스트 소스 문자 인덱스에서 텍스트 효과 문자 인덱스 구하기 - GetTextEffectCharacterIndexFromTextSourceCharacterIndex(textSourceCharacterIndex) /// <summary> /// 텍스트 소스 문자 인덱스에서 텍스트 효과 문자 인덱스 구하기 /// </summary> /// <param name="textSourceCharacterIndex">텍스트 소스 문자 인덱스</param> /// <returns>텍스트 소스 문자 인덱스에서 텍스트 효과 문자 인덱스</returns> public override int GetTextEffectCharacterIndexFromTextSourceCharacterIndex(int textSourceCharacterIndex) { throw new Exception("The method or operation is not implemented."); } #endregion } } |
▶ MainWindow.xaml
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<Window x:Class="TestProject.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Width="800" Height="600" Title="TextFormatter 클래스 : FormatLine 메소드를 사용해 문서 서식과 내용 표시를 위한 텍스트 라인 만들기" FontFamily="나눔고딕코딩" FontSize="16"> <Grid Margin="10"> <StackPanel HorizontalAlignment="Center" VerticalAlignment="Center"> <TextBox Name="sourceTextBox" Margin="10" Width="600" Height="50" AcceptsReturn="True" TextWrapping="WrapWithOverflow"> The quick red fox jumps over the lazy brown dog. </TextBox> <StackPanel HorizontalAlignment="Center" Margin="10" Orientation="Horizontal"> <Button Name="button1" Margin="10" Width="100" Height="30" Content="테스트 1" /> <Button Name="button2" Margin="10" Width="100" Height="30" Content="테스트 2" /> <Button Name="button3" Margin="10" Width="100" Height="30" Content="테스트 3" /> </StackPanel> <Border Name="border" Margin="10" Width="600" Height="300" BorderBrush="Black" BorderThickness="1"> <Rectangle Name="r"> <Rectangle.Fill> <DrawingBrush x:Name="drawingBrush" Stretch="None" AlignmentX="Left" AlignmentY="Top"> <DrawingBrush.Drawing> <DrawingGroup x:Name="drawingGroup" /> </DrawingBrush.Drawing> </DrawingBrush> </Rectangle.Fill> </Rectangle> </Border> </StackPanel> </Grid> </Window> |
▶ MainWindow.xaml.cs
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using System; using System.Windows; using System.Windows.Media; using System.Windows.Media.TextFormatting; namespace TestProject { /// <summary> /// 메인 윈도우 /// </summary> public partial class MainWindow : Window { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 커스텀 텍스트 소스 /// </summary> private CustomTextSource textSource; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainWindow() /// <summary> /// 생성자 /// </summary> public MainWindow() { InitializeComponent(); this.button1.Click += button1_Click; this.button2.Click += button2_Click; this.button3.Click += button3_Click; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private //////////////////////////////////////////////////////////////////////////////// Event #region 버튼 1 클릭시 처리하기 - button1_Click(sender, e) /// <summary> /// 버튼 1 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void button1_Click(object sender, EventArgs e) { if(this.textSource == null) { this.textSource = new CustomTextSource(); } UpdateFormattedText1(); } #endregion #region 버튼 2 클릭시 처리하기 - button2_Click(sender, e) /// <summary> /// 버튼 2 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void button2_Click(object sender, EventArgs e) { if(this.textSource == null) { this.textSource = new CustomTextSource(); } UpdateFormattedText2(); } #endregion #region 버튼 3 클릭시 처리하기 - button3_Click(sender, e) /// <summary> /// 버튼 3 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void button3_Click(object sender, EventArgs e) { if(this.textSource == null) { this.textSource = new CustomTextSource(); } UpdateFormattedText3(); } #endregion //////////////////////////////////////////////////////////////////////////////// Function #region 포맷 텍스트 갱신하기 1 - UpdateFormattedText1() /// <summary> /// 포맷 텍스트 갱신하기 1 /// </summary> private void UpdateFormattedText1() { int firstCharacterIndex = 0; Point originPoint = new Point(0, 0); DrawingContext drawingContext = this.drawingGroup.Open(); this.textSource.Text = this.sourceTextBox.Text; TextFormatter formatter = TextFormatter.Create(); CustomTextParagraphProperties textParagraphProperties = new CustomTextParagraphProperties(); while(firstCharacterIndex < this.textSource.Text.Length) { using ( TextLine textLine = formatter.FormatLine ( this.textSource, firstCharacterIndex, this.border.ActualWidth, textParagraphProperties, null ) ) { textLine.Draw(drawingContext, originPoint, InvertAxes.None); firstCharacterIndex += textLine.Length; originPoint.Y += textLine.Height; } } drawingContext.Close(); this.drawingBrush.Drawing = this.drawingGroup; } #endregion #region 포맷 텍스트 갱신하기 2 - UpdateFormattedText2() /// <summary> /// 포맷 텍스트 갱신하기 2 /// </summary> private void UpdateFormattedText2() { DrawingContext drawingContext = this.drawingGroup.Open(); this.textSource.Text = this.sourceTextBox.Text; TextFormatter formatter = TextFormatter.Create(); CustomTextParagraphProperties textParagraphProperties = new CustomTextParagraphProperties(); using ( TextLine textLine = formatter.FormatLine ( this.textSource, 0, 600, textParagraphProperties, null ) ) { textLine.Draw(drawingContext, new Point(0, 0), InvertAxes.None); } drawingContext.Close(); } #endregion #region 포맷 텍스트 갱신하기 3 - UpdateFormattedText3() /// <summary> /// 포맷 텍스트 갱신하기 3 /// </summary> private void UpdateFormattedText3() { int firstCharacterIndex = 0; Point originPoint = new Point(0, 0); DrawingContext drawingContext = this.drawingGroup.Open(); this.textSource.Text = this.sourceTextBox.Text; TextFormatter formatter = TextFormatter.Create(); CustomTextParagraphProperties textParagraphProperties = new CustomTextParagraphProperties(); MinMaxParagraphWidth minMaxParaWidth = formatter.FormatMinMaxParagraphWidth ( this.textSource, 0, textParagraphProperties ); while(firstCharacterIndex < textSource.Text.Length) { using ( TextLine textLine1 = formatter.FormatLine ( this.textSource, firstCharacterIndex, minMaxParaWidth.MinWidth, textParagraphProperties, null ) ) { textLine1.Draw(drawingContext, originPoint, InvertAxes.None); firstCharacterIndex += textLine1.Length; originPoint.Y += textLine1.Height; } } TextLine textLine2 = formatter.FormatLine ( textSource, 0, minMaxParaWidth.MaxWidth, textParagraphProperties, null ); textLine2.Draw(drawingContext, originPoint, InvertAxes.None); drawingContext.Close(); this.drawingBrush.Drawing = this.drawingGroup; } #endregion } } |
