■ DrawingVisual 객체를 PNG 파일로 저장하는 방법을 보여준다.
▶ MainWindow.xaml
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 |
<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="TestProject" FontFamily="나눔고딕코딩" FontSize="16"> <Button Name="createImageFileButton" Width="150" Height="30" Content="이미지 파일 생성" /> </Window> |
▶ MainWindow.xaml.cs
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 |
using System; using System.Globalization; using System.IO; using System.Windows; using System.Windows.Media; using System.Windows.Media.Imaging; namespace TestProject { /// <summary> /// 메인 윈도우 /// </summary> public partial class MainWindow : Window { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainWindow() /// <summary> /// 생성자 /// </summary> public MainWindow() { InitializeComponent(); this.createImageFileButton.Click += createImageFileButton_Click; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 이미지 파일 생성 버튼 클릭시 처리하기 - createImageFileButton_Click(sender, e) /// <summary> /// 이미지 파일 생성 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void createImageFileButton_Click(object sender, RoutedEventArgs e) { BitmapImage bitmapImage = new BitmapImage(); bitmapImage.BeginInit(); bitmapImage.UriSource = new Uri("IMAGE/waterlilies.jpg", UriKind.Relative); bitmapImage.DecodePixelWidth = 200; bitmapImage.EndInit(); FormattedText formattedText = new FormattedText ( "Waterlilies", new CultureInfo("en-us"), FlowDirection.LeftToRight, new Typeface(FontFamily, FontStyles.Normal, FontWeights.Normal, new FontStretch()), this.FontSize, Brushes.White ); DrawingVisual drawingVisual = new DrawingVisual(); DrawingContext drawingContext = drawingVisual.RenderOpen(); drawingContext.DrawImage(bitmapImage, new Rect(0, 0, bitmapImage.Width, bitmapImage.Height)); drawingContext.DrawText(formattedText, new Point(bitmapImage.Height / 2, 0)); drawingContext.Close(); RenderTargetBitmap renderTargetBitmap = new RenderTargetBitmap ( bitmapImage.PixelWidth, bitmapImage.PixelHeight, 96, 96, PixelFormats.Pbgra32 ); renderTargetBitmap.Render(drawingVisual); PngBitmapEncoder encoder = new PngBitmapEncoder(); encoder.Frames.Add(BitmapFrame.Create(renderTargetBitmap)); using(FileStream stream = File.Create("target.png")) { encoder.Save(stream); } } #endregion } } |
