slideshow/source/inc/expressionnodefactory.hxx

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  30
  31 #ifndef INCLUDED_SLIDESHOW_EXPRESSIONNODEFACTORY_HXX
  32 #define INCLUDED_SLIDESHOW_EXPRESSIONNODEFACTORY_HXX
  33
  34 #include "expressionnode.hxx"
  35
  36 #include <basegfx/vector/b2dsize.hxx>
  37 #include <basegfx/range/b2drectangle.hxx>
  38
  39
  40 /* Definition of ExpressionNodeFactory class */
  41
  42 namespace slideshow
  43 {
  44     namespace internal
  45     {
  46         /** ExpressionNode factory
  47
  48             This class can be used to generate a wide variety of
  49             ExpressionNode objects, e.g. when parsing SMIL function
  50             expressions.
  51         */
  52         class ExpressionNodeFactory
  53         {
  54         public:
  55             static ExpressionNodeSharedPtr createConstantValueExpression( double rConstantValue );
  56
  57             static ExpressionNodeSharedPtr createValueTExpression        ();
  58
  59             static ExpressionNodeSharedPtr createPlusExpression          ( const ExpressionNodeSharedPtr&       rLHS,
  60                                                                        const ExpressionNodeSharedPtr&   rRHS );
  61             static ExpressionNodeSharedPtr createMinusExpression         ( const ExpressionNodeSharedPtr&       rLHS,
  62                                                                        const ExpressionNodeSharedPtr&   rRHS );
  63             static ExpressionNodeSharedPtr createMultipliesExpression( const ExpressionNodeSharedPtr&   rLHS,
  64                                                                        const ExpressionNodeSharedPtr&   rRHS );
  65             static ExpressionNodeSharedPtr createDividesExpression       ( const ExpressionNodeSharedPtr&       rLHS,
  66                                                                        const ExpressionNodeSharedPtr&   rRHS );
  67
  68             /** Composes two ExpressionNode function.
  69
  70                 The resulting expression will calculate
  71                 rOuterFunction( rInnerFunction(t) ).
  72              */
  73             static ExpressionNodeSharedPtr createComposedExpression      ( const ExpressionNodeSharedPtr&       rOuterFunction,
  74                                                                        const ExpressionNodeSharedPtr&   rInnerFunction );
  75
  76             static ExpressionNodeSharedPtr createMinExpression          ( const ExpressionNodeSharedPtr&        rOuterFunction,
  77                                                                       const ExpressionNodeSharedPtr&    rInnerFunction );
  78
  79             static ExpressionNodeSharedPtr createMaxExpression          ( const ExpressionNodeSharedPtr&        rOuterFunction,
  80                                                                       const ExpressionNodeSharedPtr&    rInnerFunction );
  81         };
  82     }
  83 }
  84
  85 #endif /* INCLUDED_SLIDESHOW_EXPRESSIONNODEFACTORY_HXX */