/// <summary>Multiply matrix of two AffineTransform objects</summary>
/// <param name="t1">- the AffineTransform object is a multiplicand</param>
/// <param name="t2">- the AffineTransform object is a multiplier</param>
/// <returns>an AffineTransform object that is a result of t1 multiplied by matrix t2.</returns>
internal virtual iText.Kernel.Geom.AffineTransform Multiply(iText.Kernel.Geom.AffineTransform t1, iText.Kernel.Geom.AffineTransform
t2)
{
return(new iText.Kernel.Geom.AffineTransform(t1.m00 * t2.m00 + t1.m10 * t2.m01, t1.m00 * t2.m10 + t1.m10 *
t2.m11, t1.m01 * t2.m00 + t1.m11 * t2.m01, t1.m01 * t2.m10 + t1.m11 * t2.m11, t1.m02 * t2.m00 + t1.m12
* t2.m01 + t2.m02, t1.m02 * t2.m10 + t1.m12 * t2.m11 + t2.m12));
}
public AffineTransform(iText.Kernel.Geom.AffineTransform t)
{
this.type = t.type;
this.m00 = t.m00;
this.m10 = t.m10;
this.m01 = t.m01;
this.m11 = t.m11;
this.m02 = t.m02;
this.m12 = t.m12;
}
public override bool Equals(Object o)
{
if (this == o)
{
return(true);
}
if (o == null || GetType() != o.GetType())
{
return(false);
}
iText.Kernel.Geom.AffineTransform that = (iText.Kernel.Geom.AffineTransform)o;
return(JavaUtil.DoubleCompare(that.m00, m00) == 0 && JavaUtil.DoubleCompare(that.m10, m10) == 0 && JavaUtil.DoubleCompare
(that.m01, m01) == 0 && JavaUtil.DoubleCompare(that.m11, m11) == 0 && JavaUtil.DoubleCompare(that.m02,
m02) == 0 && JavaUtil.DoubleCompare(that.m12, m12) == 0);
}
public virtual void PreConcatenate(iText.Kernel.Geom.AffineTransform t)
{
SetTransform(Multiply(this, t));
}
/// <summary>
/// Get an affine transformation representing a counter-clockwise rotation over the passed angle,
/// using the passed point as the center of rotation
/// </summary>
/// <param name="angle">angle in radians to rotate over</param>
/// <param name="x">x-coordinate of center of rotation</param>
/// <param name="y">y-coordinate of center of rotation</param>
/// <returns>
///
/// <see cref="AffineTransform"/>
/// representing the rotation
/// </returns>
public static iText.Kernel.Geom.AffineTransform GetRotateInstance(double angle, double x, double y)
{
iText.Kernel.Geom.AffineTransform t = new iText.Kernel.Geom.AffineTransform();
t.SetToRotation(angle, x, y);
return(t);
}
public static iText.Kernel.Geom.AffineTransform GetShearInstance(double shx, double shy)
{
iText.Kernel.Geom.AffineTransform m = new iText.Kernel.Geom.AffineTransform();
m.SetToShear(shx, shy);
return(m);
}
public static iText.Kernel.Geom.AffineTransform GetScaleInstance(double scx, double scY)
{
iText.Kernel.Geom.AffineTransform t = new iText.Kernel.Geom.AffineTransform();
t.SetToScale(scx, scY);
return(t);
}
public static iText.Kernel.Geom.AffineTransform GetTranslateInstance(double mx, double my)
{
iText.Kernel.Geom.AffineTransform t = new iText.Kernel.Geom.AffineTransform();
t.SetToTranslation(mx, my);
return(t);
}
public virtual void SetTransform(iText.Kernel.Geom.AffineTransform t)
{
type = t.type;
SetTransform(t.m00, t.m10, t.m01, t.m11, t.m02, t.m12);
}
