/// <summary>
/// Rotates given model by given isomorphic transform.
/// Bounding box for an object of the model is transformed in such a way that it is still the minimal rectangle with sides parallel to coordinate axes contaning original box rotated.
/// </summary>
/// <param name="model">The model to process</param>
/// <param name="transform">The transform to apply</param>
/// <param name="targetWidth">Target model width</param>
/// <param name="targetHeight">Target model height</param>
/// <returns></returns>
public static TextGeometryModel RotateModel(this TextGeometryModel model, IsometricTransform transform, int targetWidth, int targetHeight)
{
var targetModel = new TextGeometryModel(new BoundingBox(0, 0, targetWidth, targetHeight), model.GridUnit);
ModelGeometryTransformer.TransformModelGeometry(model, targetModel,
box => RotateBoundingBox(box, transform));
return(targetModel);
}
public static TextGeometryModel ScaleModel(this TextGeometryModel model, double scaleFactor)
{
var targetModel = new TextGeometryModel(ScaleBoundingBox(model.PageBox, scaleFactor), GridUnit.ByResolution(Round(model.GridUnit.Divisor * scaleFactor)));
ModelGeometryTransformer.TransformModelGeometry(model, targetModel,
box => ScaleBoundingBox(box, scaleFactor));
return(targetModel);
}
/// <summary>
/// Transforms given model by rotating it by specified set of parameters. If the set of parameters is not given (null) then it will be calculated
/// in such a way that a resulting model contains text lines aligned strictly horizontally.
/// </summary>
/// <param name="model">The model to transform</param>
/// <param name="deskewParameters">Set of transformation parameters (or null, if transformation should be determined automatically)</param>
/// <returns>The transformed model</returns>
public static TextGeometryModel DeskewModel(this TextGeometryModel model, DeskewParameters deskewParameters = null)
{
var desckewParams = deskewParameters ?? DetectDeskewParameters(model);
var transform = desckewParams.Transform;
// Console.Out.WriteLine(desckewParams);
var targetModel = new TextGeometryModel(new BoundingBox(0, 0, desckewParams.TargetWidth, desckewParams.TargetHeight), model.GridUnit);
ModelGeometryTransformer.TransformModelGeometry(model, targetModel,
box => DeskewBoundingBox(box, transform));
return(targetModel);
}
