org.apache.pdfbox.pdmodel.common: public class: PDMatrix

org.apache.pdfbox.pdmodel.common
public class: PDMatrix [javadoc | source]

java.lang.Object
   org.apache.pdfbox.pdmodel.common.PDMatrix

All Implemented Interfaces:
Cloneable, COSObjectable

This class will be used for matrix manipulation.

author:

 -  href="mailto:ben@benlitchfield.com">Ben Litchfield

version: $ - Revision: 1.3 $










    







    












    Constructor:
 public PDMatrix() {
        matrix = new COSArray();
        matrix.add( new COSFloat( 1.0f ) );
        matrix.add( new COSFloat( 0.0f ) );
        matrix.add( new COSFloat( 0.0f ) );
        matrix.add( new COSFloat( 0.0f ) );
        matrix.add( new COSFloat( 1.0f ) );
        matrix.add( new COSFloat( 0.0f ) );
        matrix.add( new COSFloat( 0.0f ) );
        matrix.add( new COSFloat( 0.0f ) );
        matrix.add( new COSFloat( 1.0f ) );
}
Constructor.
 public PDMatrix(COSArray array) {
        matrix = array;
}
Constructor.
Parameters:
array -  The array that describes the matrix.










    Method from org.apache.pdfbox.pdmodel.common.PDMatrix Summary:

getCOSArray,   getCOSObject,   getValue,   setValue
Methods from java.lang.Object:

clone,   equals,   finalize,   getClass,   hashCode,   notify,   notifyAll,   toString,   wait,   wait,   wait
Method from org.apache.pdfbox.pdmodel.common.PDMatrix Detail:
 public COSArray getCOSArray() {
        return matrix;
}
This will get the underlying array value.
 public COSBase getCOSObject() {
        return matrix;
}
Convert this standard java object to a COS object.
 public float getValue(int row,
    int column) {
        return ((COSNumber)matrix.get( row*3 + column )).floatValue();
}
This will get a matrix value at some point.
 public  void setValue(int row,
    int column,
    float value) {
        matrix.set( row*3+column, new COSFloat( value ) );
}
This will set a value at a position.