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21
22
23#ifndef com_sun_star_chart2_XTransformation_idl
24#define com_sun_star_chart2_XTransformation_idl
25
26#ifndef __com_sun_star_uno_XInterface_idl__
27#include <com/sun/star/uno/XInterface.idl>
28#endif
29
30#ifndef __com_sun_star_lang_IllegalArgumentException_idl__
31#include <com/sun/star/lang/IllegalArgumentException.idl>
32#endif
33
34module com
35{
36module sun
37{
38module star
39{
40module chart2
41{
42
43    // NOTES
44
45	//... provide help for creating the right transfomation
46    //
47    // ... access to source and destination coordinate system ?
48
49/** allows the transformation of numeric values from one
50    coordinate-system into an other.  Values may be transformed using
51    any mapping.
52 */
53interface XTransformation : ::com::sun::star::uno::XInterface
54{
55    /** transforms the given input data tuple, given in the source
56        coordinate system, according to the internal transformation
57        rules, into a tuple of transformed coordinates in the
58        destination coordinate system.
59
60        <p>Note that both coordinate systems may have different
61        dimensions, e.g., if a transformation does simply a projection
62        into a lower-dimensional space.</p>
63
64        @param aValues a source tuple of data that is to be
65               transformed.  The length of this sequence must be
66               equivalent to the dimension of the source coordinate
67               system.
68
69        @return the transformed data tuple.  The length of this
70                sequence is equal to the dimension of the output
71                coordinate system.
72
73        @throws ::com::sun::star::lang::IllegalArgumentException
74               if the dimension of the input vector is not equal to the
75               dimension given in <member>getSourceDimension</member>.
76     */
77	sequence< double > transform( [in] sequence< double > aValues )
78        raises( ::com::sun::star::lang::IllegalArgumentException );
79
80    /** the dimension of the input coordinate sequence that is to be
81        transformed by the <member>transform</member> method.
82     */
83	long getSourceDimension();
84
85    /** the dimension of the output coordinate sequence that is the
86        result of the <member>transform</member> method.
87     */
88	long getTargetDimension();
89};
90
91} ; // chart2
92} ; // com
93} ; // sun
94} ; // star
95
96
97#endif
98