/// <summary>
/// Performs both conversion and resize in a single operation
/// </summary>
/// <param name="newPixelType"></param>
/// <param name="newSize"></param>
/// <returns></returns>
public PlanarImage ConvertAndResize(PixelAlignmentType newPixelType, Size newSize)
{
PlanarImage result = new PlanarImage(newSize.Width, newSize.Height, newPixelType);
ConverterResizer.Apply(this, result);
return(result);
}
/// <summary>
/// Resizes planar image
/// </summary>
/// <param name="newSize"></param>
/// <returns></returns>
public PlanarImage Resize(Size newSize)
{
PlanarImage result = new PlanarImage(newSize.Width, newSize.Height, this.PixelType);
ConverterResizer.Apply(this, result);
return(result);
}
/// <summary>
/// Converts planar image to another pixel alignment type
/// </summary>
/// <param name="newPixelType"></param>
/// <returns></returns>
public PlanarImage Convert(PixelAlignmentType newPixelType)
{
PlanarImage result = new PlanarImage(this.Width, this.Height, newPixelType);
ConverterResizer.Apply(this, result);
return(result);
}
public bool SetupSurface(int videoWidth, int videoHeight, FrameFormat format)
{
this.pixelType = ConvertToPixelFormat(format);
if (pixelType == PixelAlignmentType.NotSupported)
{
return false;
}
this.width = videoWidth;
this.height = videoHeight;
switch (format)
{
case FrameFormat.YV12:
case FrameFormat.NV12:
this.frameSize = this.width * this.height * 3 / 2;
break;
case FrameFormat.YUY2:
case FrameFormat.UYVY:
case FrameFormat.RGB15: // rgb555
case FrameFormat.RGB16: // rgb565
this.frameSize = this.width * this.height * 2; // 每个像素2字节
break;
case FrameFormat.RGB32:
case FrameFormat.ARGB32:
this.frameSize = this.width * this.height * 4; // 每个像素4字节
break;
default:
return false;
}
this.imageSource = new WriteableBitmap(videoWidth, videoHeight, DPI_X, DPI_Y, System.Windows.Media.PixelFormats.Bgr32, null);
this.imageSourceRect = new Int32Rect(0, 0, videoWidth, videoHeight);
System.Drawing.Size size = new System.Drawing.Size(videoWidth, videoHeight);
this.converter = new ConverterResizer(size, pixelType, size, PixelAlignmentType.BGRA);
this.NotifyImageSourceChanged();
return true;
}
/// <summary>
/// Converts System.Drawing.Bitmap object into planar image
/// </summary>
/// <param name="bitmap"></param>
/// <param name="pixelType"></param>
/// <returns></returns>
public static PlanarImage Load(Bitmap bitmap, PixelAlignmentType pixelType)
{
VerifyIsSupported(bitmap.PixelFormat);
return(ConverterResizer.FromBitmap(bitmap, pixelType));
}
/// <summary>
/// Convert planar image to .NET Bitmap object
/// </summary>
/// <param name="format"></param>
/// <returns></returns>
public Bitmap ToBitmap(PixelFormat format)
{
VerifyIsSupported(format);
return(ConverterResizer.ToBitmap(this, format));
}
