public ColInfoEx(int width, int height, ResizingKind scale, Anchor anchor)
{
Contracts.CheckUserArg(width > 0, nameof(Column.ImageWidth));
Contracts.CheckUserArg(height > 0, nameof(Column.ImageHeight));
Contracts.CheckUserArg(Enum.IsDefined(typeof(ResizingKind), scale), nameof(Column.Resizing));
Contracts.CheckUserArg(Enum.IsDefined(typeof(Anchor), anchor), nameof(Column.CropAnchor));
Width = width;
Height = height;
Scale = scale;
Anchor = anchor;
Type = new ImageType(Height, Width);
}
/// <summary>
/// Describes how the transformer handles one image resize column pair.
/// </summary>
/// <param name="input">Name of the input column.</param>
/// <param name="output">Name of the column resulting from the transformation of <paramref name="input"/>.</param>
/// <param name="width">Width of resized image.</param>
/// <param name="height">Height of resized image.</param>
/// <param name="resizing">What <see cref="ResizingKind"/> to use.</param>
/// <param name="anchor">If <paramref name="resizing"/> set to <see cref="ResizingKind.IsoCrop"/> what anchor to use for cropping.</param>
public ColumnInfo(string input, string output, int width, int height, ResizingKind resizing = Defaults.Resizing, Anchor anchor = Defaults.CropAnchor)
{
Contracts.CheckNonEmpty(input, nameof(input));
Contracts.CheckNonEmpty(output, nameof(output));
Contracts.CheckUserArg(width > 0, nameof(Column.ImageWidth));
Contracts.CheckUserArg(height > 0, nameof(Column.ImageHeight));
Contracts.CheckUserArg(Enum.IsDefined(typeof(ResizingKind), resizing), nameof(Column.Resizing));
Contracts.CheckUserArg(Enum.IsDefined(typeof(Anchor), anchor), nameof(Column.CropAnchor));
Input = input;
Output = output;
Width = width;
Height = height;
Resizing = resizing;
Anchor = anchor;
Type = new ImageType(Height, Width);
}
///<summary>
/// Resize image.
///</summary>
/// <param name="env">The host environment.</param>
/// <param name="input">Name of the input column.</param>
/// <param name="output">Name of the column resulting from the transformation of <paramref name="input"/>.</param>
/// <param name="imageWidth">Width of resized image.</param>
/// <param name="imageHeight">Height of resized image.</param>
/// <param name="resizing">What <see cref="ResizingKind"/> to use.</param>
/// <param name="cropAnchor">If <paramref name="resizing"/> set to <see cref="ResizingKind.IsoCrop"/> what anchor to use for cropping.</param>
public ImageResizerTransformer(IHostEnvironment env, string input, string output,
int imageWidth, int imageHeight, ResizingKind resizing = ResizingKind.IsoCrop, Anchor cropAnchor = Anchor.Center)
: this(env, new ColumnInfo(input, output, imageWidth, imageHeight, resizing, cropAnchor))
{
}
