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27*cdf0e10cSrcweir 
28*cdf0e10cSrcweir #ifndef INCLUDED_SLIDESHOW_EXPRESSIONNODEFACTORY_HXX
29*cdf0e10cSrcweir #define INCLUDED_SLIDESHOW_EXPRESSIONNODEFACTORY_HXX
30*cdf0e10cSrcweir 
31*cdf0e10cSrcweir #include "expressionnode.hxx"
32*cdf0e10cSrcweir 
33*cdf0e10cSrcweir #include <basegfx/vector/b2dsize.hxx>
34*cdf0e10cSrcweir #include <basegfx/range/b2drectangle.hxx>
35*cdf0e10cSrcweir 
36*cdf0e10cSrcweir 
37*cdf0e10cSrcweir /* Definition of ExpressionNodeFactory class */
38*cdf0e10cSrcweir 
39*cdf0e10cSrcweir namespace slideshow
40*cdf0e10cSrcweir {
41*cdf0e10cSrcweir     namespace internal
42*cdf0e10cSrcweir     {
43*cdf0e10cSrcweir         /** ExpressionNode factory
44*cdf0e10cSrcweir 
45*cdf0e10cSrcweir         	This class can be used to generate a wide variety of
46*cdf0e10cSrcweir         	ExpressionNode objects, e.g. when parsing SMIL function
47*cdf0e10cSrcweir         	expressions.
48*cdf0e10cSrcweir         */
49*cdf0e10cSrcweir         class ExpressionNodeFactory
50*cdf0e10cSrcweir         {
51*cdf0e10cSrcweir         public:
52*cdf0e10cSrcweir             static ExpressionNodeSharedPtr createConstantValueExpression( double rConstantValue );
53*cdf0e10cSrcweir 
54*cdf0e10cSrcweir             static ExpressionNodeSharedPtr createValueTExpression	 ();
55*cdf0e10cSrcweir 
56*cdf0e10cSrcweir             static ExpressionNodeSharedPtr createPlusExpression		 ( const ExpressionNodeSharedPtr&	rLHS,
57*cdf0e10cSrcweir                                                                        const ExpressionNodeSharedPtr&	rRHS );
58*cdf0e10cSrcweir             static ExpressionNodeSharedPtr createMinusExpression	 ( const ExpressionNodeSharedPtr&	rLHS,
59*cdf0e10cSrcweir                                                                        const ExpressionNodeSharedPtr&	rRHS );
60*cdf0e10cSrcweir             static ExpressionNodeSharedPtr createMultipliesExpression( const ExpressionNodeSharedPtr&	rLHS,
61*cdf0e10cSrcweir                                                                        const ExpressionNodeSharedPtr&	rRHS );
62*cdf0e10cSrcweir             static ExpressionNodeSharedPtr createDividesExpression	 ( const ExpressionNodeSharedPtr&	rLHS,
63*cdf0e10cSrcweir                                                                        const ExpressionNodeSharedPtr&	rRHS );
64*cdf0e10cSrcweir 
65*cdf0e10cSrcweir             /** Composes two ExpressionNode function.
66*cdf0e10cSrcweir 
67*cdf0e10cSrcweir             	The resulting expression will calculate
68*cdf0e10cSrcweir             	rOuterFunction( rInnerFunction(t) ).
69*cdf0e10cSrcweir              */
70*cdf0e10cSrcweir             static ExpressionNodeSharedPtr createComposedExpression	 ( const ExpressionNodeSharedPtr&	rOuterFunction,
71*cdf0e10cSrcweir                                                                        const ExpressionNodeSharedPtr&	rInnerFunction );
72*cdf0e10cSrcweir 
73*cdf0e10cSrcweir             static ExpressionNodeSharedPtr createMinExpression	 	( const ExpressionNodeSharedPtr&	rOuterFunction,
74*cdf0e10cSrcweir                                                                       const ExpressionNodeSharedPtr&	rInnerFunction );
75*cdf0e10cSrcweir 
76*cdf0e10cSrcweir             static ExpressionNodeSharedPtr createMaxExpression	 	( const ExpressionNodeSharedPtr&	rOuterFunction,
77*cdf0e10cSrcweir                                                                       const ExpressionNodeSharedPtr&	rInnerFunction );
78*cdf0e10cSrcweir         };
79*cdf0e10cSrcweir     }
80*cdf0e10cSrcweir }
81*cdf0e10cSrcweir 
82*cdf0e10cSrcweir #endif /* INCLUDED_SLIDESHOW_EXPRESSIONNODEFACTORY_HXX */
83