public void GetOrientation_ReturnsValue(ByteOrder byteOrder, TiffType type, int?data, TiffOrientation expectedResult)
{
var ifd = TiffIfdBuilder.GenerateIfd(TiffTags.Orientation, type, data, byteOrder).Ifd;
var result = ifd.GetOrientation(byteOrder);
Assert.Equal(expectedResult, result);
}
/// <summary>
/// Initialize the middleware with the specified orientation.
/// </summary>
/// <param name="orientation">The orientation tag.</param>
public TiffApplyOrientationMiddleware(TiffOrientation orientation)
{
_orientation = orientation;
}
/// <summary>
/// Initialize the middleware with the specified orientation.
/// </summary>
/// <param name="orientation">The orientation tag.</param>
public TiffReverseOrientationMiddleware(TiffOrientation orientation)
{
_orientation = orientation;
}
public TiffOrientatedImageDecoderContext(TiffImageDecoderContext innerContext, TiffOrientation orientation) : base(innerContext)
{
if (orientation == 0)
{
_isFlipOrOrientation = false;
_flipLeftRigt = false;
_flipTopBottom = false;
return;
}
switch (orientation)
{
case TiffOrientation.TopLeft:
_isFlipOrOrientation = false;
_flipLeftRigt = false;
_flipTopBottom = false;
break;
case TiffOrientation.TopRight:
_isFlipOrOrientation = false;
_flipLeftRigt = true;
_flipTopBottom = false;
break;
case TiffOrientation.BottomRight:
_isFlipOrOrientation = false;
_flipLeftRigt = true;
_flipTopBottom = true;
break;
case TiffOrientation.BottomLeft:
_isFlipOrOrientation = false;
_flipLeftRigt = false;
_flipTopBottom = true;
break;
case TiffOrientation.LeftTop:
_isFlipOrOrientation = true;
_flipLeftRigt = false;
_flipTopBottom = false;
break;
case TiffOrientation.RightTop:
_isFlipOrOrientation = true;
_flipLeftRigt = true;
_flipTopBottom = false;
break;
case TiffOrientation.RightBottom:
_isFlipOrOrientation = true;
_flipLeftRigt = true;
_flipTopBottom = true;
break;
case TiffOrientation.LeftBottom:
_isFlipOrOrientation = true;
_flipLeftRigt = false;
_flipTopBottom = true;
break;
default:
throw new InvalidDataException("Unknown orientation tag.");
}
}
