public override Draw.Image Shift(Geometry2D.Integer.Size offset)
{
Raster.Image result = null;
if (this is Monochrome)
result = new Monochrome(this.Size);
else if (this is Bgr)
result = new Bgr(this.Size);
else if (this is Bgra)
result = new Bgra(this.Size);
else if (this is Yuyv)
result = new Yuyv(this.Size);
int offsetX = Kean.Math.Integer.Modulo(this is Yuyv && Kean.Math.Integer.Modulo(offset.Width, 2) != 0 ? offset.Width + 1 : offset.Width, this.Size.Width);
int length = (this.Size.Width - offsetX) * this.BytesPerPixel;
int line = this.Size.Width * this.BytesPerPixel;
for (int y = 0; y < this.Size.Height; y++)
{
int destination = Kean.Math.Integer.Modulo(y + offset.Height, this.Size.Height) * this.Stride;
result.Buffer.CopyFrom(this.Buffer, this.Stride * y, destination + offsetX * this.BytesPerPixel, length);
result.Buffer.CopyFrom(this.Buffer, this.Stride * y + length, destination, line - length);
}
return result;
}
protected Bgr(Bgr original) :
base(original) { }
public Raster.Image Read()
{
Raster.Image result = null;
switch (this.Type)
{
default:
case TextureType.Rgba:
result = new Raster.Bgra(this.Size);
break;
case TextureType.Rgb:
result = new Raster.Bgr(this.Size);
break;
case TextureType.Monochrome:
result = new Raster.Monochrome(this.Size);
break;
}
this.Use();
this.Read(result.Pointer);
this.UnUse();
return result;
}