com.aspose.pdf

Constructor Detail

• Matrix

  public Matrix()

  Constructor creates stanrard 1 to 1 matrix: [ A B C D E F ] = [ 1, 0, 0, 1, 0, 0]

  ---

  
  
   Matrix m = new Matrix();
   

• Matrix

  public Matrix(double[] matrixArray)

  Constructor accepts a matrix with following array representation: [ A B C D E F ]

  ---

  
   double[] c = new double[] { 1, 0, 0, 1, 10, 20 };
   Matrix m = new Matrix(c);
   

  Parameters:

  matrixArray - Matrix data array.

• Matrix

  public Matrix(float[] matrixArray)

  Constructor accepts a matrix with following array representation: [ A B C D E F ]

  ---

  
   double[] c = new double[] { 1, 0, 0, 1, 10, 20 };
   Matrix m = new Matrix(c);
   

  Parameters:

  matrixArray - Matrix data array.

• Matrix

  public Matrix(Matrix matrix)

  Constructor accepts a matrix to create a copy

  Parameters:

  matrix - Matrix object.

• Matrix

  public Matrix(double a,
                double b,
                double c,
                double d,
                double e,
                double f)

  Initializes transformation matrix with specified coefficients.

  ---

  
  
   Matrix m = new Matrix(1, 0, 0, 1, 3, 3);
   

  Parameters:

  a - A matrix value.

  b - B matrix value.

  c - C matrix value.

  d - D matrix value.

  e - E matrix value.

  f - F matrix value.

Method Detail

• getData

  public final double[] getData()

  Gets data of Matrix as array.

  Returns:

  array of double values

• getA

  public double getA()

  Get A member of the transformation matrix.

  Returns:

  double value

• setA

  public void setA(double value)

  Set A member of the transformation matrix.

  Parameters:

  value - double value

• getB

  public double getB()

  Get B member of the transformation matrix.

  Returns:

  double value

• setB

  public void setB(double value)

  Set B member of the transformation matrix.

  Parameters:

  value - double value

• getC

  public double getC()

  Get C member of the transformation matrix.

  Returns:

  double value

• setC

  public void setC(double value)

  Set C member of the transformation matrix.

  Parameters:

  value - double value

• getD

  public double getD()

  Get D member of the transformation matrix.

  Returns:

  double value

• setD

  public void setD(double value)

  Set D member of the transformation matrix.

  Parameters:

  value - double value

• getE

  public double getE()

  Get E member of the transformation matrix.

  Returns:

  double value

• setE

  public void setE(double value)

  Set E member of the transformation matrix.

  Parameters:

  value - double value

• getF

  public double getF()

  Get F member of the transformation matrix.

  Returns:

  double value

• setF

  public void setF(double value)

  Set F member of the transformation matrix.

  Parameters:

  value - double value

• getElements

  public float[] getElements()

  Elements of the matrix.

  Returns:

  float[] array

• toString

  public String toString()

  Returns text representation of the matrix.

  Overrides:

  toString in class Object

  Returns:

  String representation for the matrix

• equals

  public boolean equals(Object obj)

  Compares matrix agains other object.

  Overrides:

  equals in class Object

  Parameters:

  obj - Object to compare.

  Returns:

  Returns true is other object is Matrix and all matrix member are equal to correspondim members of the matrix

• getMatrix

  public com.aspose.pdf.engine.data.IPdfArray getMatrix(com.aspose.pdf.engine.data.ITrailerable trailer)

  Translates matrix into PDF array obect.

  Parameters:

  trailer - Trailerable object

  Returns:

  Result of converting

• rotation

  public static Matrix rotation(double alpha)

  Creates matrix for given rotation angle.

  ---

  
   Matrix m = Matrix.Rotation(Math.PI / 2);
   

  Parameters:

  alpha - Rotation angle in radians.

  Returns:

  Transformation matrix.

• skew

  public static Matrix skew(double alpha,
                            double beta)

  Creates matrix for given rotation angle.

  
   Matrix m = Matrix.skew(Math.PI / 2, Math.PI / 2); 

  Parameters:

  alpha - Skew x angle in radians.

  beta - Skew y angle in radians.

  Returns:

  Transformation matrix.

• scale

  public static Matrix scale(double x,
                             double y)

  Creates matrix for given scale.

  ---

  
   Matrix m = Matrix.scale(x, y);
   

  Parameters:

  x - Scale x.

  y - Scale y.

  Returns:

  Transformation matrix.

• getAngle

  public static double getAngle(int rotation)

  Transaltes rotation into angle (degrees)

  ---

  
   double angle = Matrix.getAngle(Rotation.on90);
   Matrix m = Matrix.rotation(angle);
   

  Parameters:

  rotation - Rotation value.

  Returns:

  Angle value.

• multiply

  public Matrix multiply(Matrix other)

  Multiplies the matrix by other matrix.

  ---

  
   Matrix a = new Matrix(new double[] { 1, 0, 0, 1, 10, 20 });
   Matrix b = new Matrix(new double[] { 0, -1, 1, 0, 0, 0 } );
   Matrix c= a.multiply(b);
   

  Parameters:

  other - Multiplier matrix.

  Returns:

  Result of multiplication.

• add

  public Matrix add(Matrix other)

  Adds matrix to other matrix.

  Parameters:

  other - Matrix to be added.

  Returns:

  Result of matrix add.

• transform

  public Point transform(Point p)

  Transforms point using this matrix.

  ---

  
   Matrix m = new Matrix(new double[] { 1, 0, 0, 1, 10, 20 } );
   Point p = new Point(5, 5);
   Point p1 = m.transform(p);
   

  Parameters:

  p - Point which will be transformed.

  Returns:

  Transformation result.

• transform

  public Rectangle transform(Rectangle rect)

  Transformes rectangle. If angle is not 90 * N degrees then bounding rectangle is returned.

  ---

  
   Matrix m = new Matrix(new double[] { 1, 0, 0, 1, 10, 20 } );
   Rectangle r = new Rectangle(0, 0, 100, 100);
   Rectangle r1 = m.transform(r1);
   

  Parameters:

  rect - Rectangle to be transformed.

  Returns:

  Transformed rectangle.

• reverse

  public Matrix reverse()

  Calculates reverse matrix.

  ---

  
   Matrix m = Matrix.rotation(Math.PI / 2);
   Matrix m1 = m.reverse();
   

  Returns:

  Reverse matrix.

• hashCode

  public int hashCode()

  Hash-code for object.

  Overrides:

  hashCode in class Object

  Returns:

  Hash-code.

• isInt16

  public static boolean isInt16(double value)

  For Internal usage only

  Parameters:

  value - double value

  Returns:

  boolean value

• isInt16Values

  public boolean isInt16Values()

  For Internal usage only

  Returns:

  boolean value