39 lines
1.3 KiB
C#
39 lines
1.3 KiB
C#
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using System.Windows;
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using System.Windows.Media;
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using System.Windows.Media.Imaging;
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namespace DTS.Common.Utils
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{
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/// <summary>
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/// this class holds PNG image functions
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/// </summary>
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public static class PNGImageUtil
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{
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/// <summary>
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/// renders the given element as a png to the given filepath
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/// </summary>
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/// <param name="view"></param>
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/// <param name="fileName"></param>
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public static void SaveImage(FrameworkElement view, string fileName)
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{
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var size = new Size(view.ActualWidth, view.ActualHeight);
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var rtb = new RenderTargetBitmap((int) size.Width, (int) size.Height, 96, 96, PixelFormats.Pbgra32);
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var visual = new DrawingVisual();
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using (var context = visual.RenderOpen())
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{
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context.DrawRectangle(new VisualBrush(view), null, new Rect(new Point(), size));
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context.Close();
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}
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rtb.Render(visual);
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var encoder = new PngBitmapEncoder();
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encoder.Frames.Add(BitmapFrame.Create(rtb));
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using (var stream = new System.IO.FileStream(fileName, System.IO.FileMode.CreateNew))
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{
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encoder.Save(stream);
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}
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}
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}
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}
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