[C#/WPF/.NET8] Image 클래스 : BitmapSource 객체 구하기

■ Image 클래스에서 BitmapSource 객체를 구하는 방법을 보여준다.

▶ Image 클래스 : BitmapSource 객체 구하기 예제 (C#)


using System.Windows.Controls;
using System.Windows.Media.Imaging;

// ...

Image image;

// ...

BitmapSource bitmapSource = GetBitmapSource(image);

using System.Windows.Controls;

using System.Windows.Media.Imaging;

// ...

Image image;

// ...

BitmapSource bitmapSource = GetBitmapSource(image);

▶ Image 클래스 : BitmapSource 객체 구하기 (C#)


using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;
using System.Windows.Media.Imaging;

#region 비트맵 소스 구하기 - GetBitmapSource(image)

/// <summary>
/// 비트맵 소스 구하기
/// </summary>
/// <param name="image">이미지</param>
/// <returns>비트맵 소스</returns>
public BitmapSource GetBitmapSource(Image image)
{
    BitmapSource bitmapSource = image.Source as BitmapSource;

    if(bitmapSource != null)
    {
        return bitmapSource;
    }

    RenderTargetBitmap renderTargetBitmap = new RenderTargetBitmap
    (
        (int)image.ActualWidth,
        (int)image.ActualHeight,
        96,
        96,
        PixelFormats.Pbgra32
    );

    DrawingVisual drawingVisual = new DrawingVisual();

    using(DrawingContext drawingContext = drawingVisual.RenderOpen())
    {
        drawingContext.DrawImage(image.Source, new Rect(new Point(0, 0), new Size(image.ActualWidth, image.ActualHeight)));
    }

    renderTargetBitmap.Render(drawingVisual);

    return renderTargetBitmap;
}

#endregion

using System.Windows;

using System.Windows.Controls;

using System.Windows.Media;

using System.Windows.Media.Imaging;

#region 비트맵 소스 구하기 - GetBitmapSource(image)

/// <summary>

/// 비트맵 소스 구하기

/// </summary>

/// <param name="image">이미지</param>

/// <returns>비트맵 소스</returns>

public BitmapSource GetBitmapSource(Image image)

{

BitmapSource bitmapSource = image.Source as BitmapSource;

if(bitmapSource != null)

{

return bitmapSource;

}

RenderTargetBitmap renderTargetBitmap = new RenderTargetBitmap

(

(int)image.ActualWidth,

(int)image.ActualHeight,

96,

PixelFormats.Pbgra32

);

DrawingVisual drawingVisual = new DrawingVisual();

using(DrawingContext drawingContext = drawingVisual.RenderOpen())

{

drawingContext.DrawImage(image.Source, new Rect(new Point(0, 0), new Size(image.ActualWidth, image.ActualHeight)));

}

renderTargetBitmap.Render(drawingVisual);

return renderTargetBitmap;

}

#endregion