AOO410/main/offapi/com/sun/star/chart2/XTransformation.idl

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#ifndef com_sun_star_chart2_XTransformation_idl
#define com_sun_star_chart2_XTransformation_idl

#ifndef __com_sun_star_uno_XInterface_idl__
#include <com/sun/star/uno/XInterface.idl>
#endif

#ifndef __com_sun_star_lang_IllegalArgumentException_idl__
#include <com/sun/star/lang/IllegalArgumentException.idl>
#endif

module com
{
module sun
{
module star
{
module chart2
{

    // NOTES

	//... provide help for creating the right transfomation
    //
    // ... access to source and destination coordinate system ?

/** allows the transformation of numeric values from one
    coordinate-system into an other.  Values may be transformed using
    any mapping.
 */
interface XTransformation : ::com::sun::star::uno::XInterface
{
    /** transforms the given input data tuple, given in the source
        coordinate system, according to the internal transformation
        rules, into a tuple of transformed coordinates in the
        destination coordinate system.

        <p>Note that both coordinate systems may have different
        dimensions, e.g., if a transformation does simply a projection
        into a lower-dimensional space.</p>

        @param aValues a source tuple of data that is to be
               transformed.  The length of this sequence must be
               equivalent to the dimension of the source coordinate
               system.

        @return the transformed data tuple.  The length of this
                sequence is equal to the dimension of the output
                coordinate system.

        @throws ::com::sun::star::lang::IllegalArgumentException
               if the dimension of the input vector is not equal to the
               dimension given in <member>getSourceDimension</member>.
     */
	sequence< double > transform( [in] sequence< double > aValues )
        raises( ::com::sun::star::lang::IllegalArgumentException );

    /** the dimension of the input coordinate sequence that is to be
        transformed by the <member>transform</member> method.
     */
	long getSourceDimension();

    /** the dimension of the output coordinate sequence that is the
        result of the <member>transform</member> method.
     */
	long getTargetDimension();
};

} ; // chart2
} ; // com
} ; // sun
} ; // star


#endif