public virtual void CreateDefaultSingleTransformTest()
{
Transform.SingleTransform defaultSingleTransform = new Transform.SingleTransform();
UnitValue[] defaultUnitValues = defaultSingleTransform.GetUnitValues();
NUnit.Framework.Assert.AreEqual(new float[] { 1f, 0f, 0f, 1f }, defaultSingleTransform.GetFloats());
NUnit.Framework.Assert.AreEqual(2, defaultUnitValues.Length);
NUnit.Framework.Assert.AreEqual(UnitValue.CreatePointValue(0), defaultUnitValues[0]);
NUnit.Framework.Assert.AreEqual(UnitValue.CreatePointValue(0), defaultUnitValues[1]);
}
public virtual void GetAffineTransformOneSingleTransformFewTimesTest()
{
Transform transform = new Transform(4);
Transform.SingleTransform singleTransform = CreateSingleTransform(UnitValue.CreatePointValue(20f), UnitValue
.CreatePointValue(30f));
transform.AddSingleTransform(singleTransform);
transform.AddSingleTransform(singleTransform);
transform.AddSingleTransform(singleTransform);
transform.AddSingleTransform(singleTransform);
NUnit.Framework.Assert.AreEqual(new AffineTransform(new float[] { -524f, -105f, 140f, -419f, -700f, 2100f,
type }), Transform.GetAffineTransform(transform, 60f, 60f));
}
/// <summary>
/// Converts the
/// <see cref="Transform"/>
/// instance, i.e. the list of
/// <see cref="SingleTransform"/>
/// instances,
/// to the equivalent
/// <see cref="iText.Kernel.Geom.AffineTransform"/>
/// instance relatively to the available area,
/// including resolving of percent values to point values.
/// </summary>
/// <param name="t">
/// a
/// <see cref="Transform"/>
/// instance to convert
/// </param>
/// <param name="width">the width of available area, the point value of which is equivalent to 100% for percentage resolving
/// </param>
/// <param name="height">the height of available area, the point value of which is equivalent to 100% for percentage resolving
/// </param>
public static AffineTransform GetAffineTransform(iText.Layout.Properties.Transform t, float width, float height
)
{
IList <Transform.SingleTransform> multipleTransform = t.GetMultipleTransform();
AffineTransform affineTransform = new AffineTransform();
for (int k = multipleTransform.Count - 1; k >= 0; k--)
{
Transform.SingleTransform transform = multipleTransform[k];
float[] floats = new float[6];
for (int i = 0; i < 4; i++)
{
floats[i] = transform.GetFloats()[i];
}
for (int i = 4; i < 6; i++)
{
floats[i] = transform.GetUnitValues()[i - 4].GetUnitType() == UnitValue.POINT ? transform.GetUnitValues()[
i - 4].GetValue() : transform.GetUnitValues()[i - 4].GetValue() / 100 * (i == 4 ? width : height);
}
affineTransform.PreConcatenate(new AffineTransform(floats));
}
return(affineTransform);
}
/// <summary>
/// Adds a
/// <see cref="SingleTransform"/>
/// in a list of single transforms to process later.
/// </summary>
/// <param name="singleTransform">
/// a
/// <see cref="SingleTransform"/>
/// instance
/// </param>
public virtual void AddSingleTransform(Transform.SingleTransform singleTransform)
{
multipleTransform.Add(singleTransform);
}