slideshow/source/inc/expressionnodefactory.hxx

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  19
  20 #ifndef INCLUDED_SLIDESHOW_SOURCE_INC_EXPRESSIONNODEFACTORY_HXX
  21 #define INCLUDED_SLIDESHOW_SOURCE_INC_EXPRESSIONNODEFACTORY_HXX
  22
  23 #include "expressionnode.hxx"
  24
  25 #include <basegfx/vector/b2dsize.hxx>
  26 #include <basegfx/range/b2drectangle.hxx>
  27
  28
  29 /* Definition of ExpressionNodeFactory class */
  30
  31 namespace slideshow
  32 {
  33     namespace internal
  34     {
  35         /** ExpressionNode factory
  36
  37             This class can be used to generate a wide variety of
  38             ExpressionNode objects, e.g. when parsing SMIL function
  39             expressions.
  40         */
  41         class ExpressionNodeFactory
  42         {
  43         public:
  44             static std::shared_ptr<ExpressionNode> createConstantValueExpression( double rConstantValue );
  45
  46             static std::shared_ptr<ExpressionNode> createValueTExpression    ();
  47
  48             static std::shared_ptr<ExpressionNode> createPlusExpression      ( const std::shared_ptr<ExpressionNode>&   rLHS,
  49                                                                        const std::shared_ptr<ExpressionNode>&   rRHS );
  50             static std::shared_ptr<ExpressionNode> createMinusExpression     ( const std::shared_ptr<ExpressionNode>&   rLHS,
  51                                                                        const std::shared_ptr<ExpressionNode>&   rRHS );
  52             static std::shared_ptr<ExpressionNode> createMultipliesExpression( const std::shared_ptr<ExpressionNode>&   rLHS,
  53                                                                        const std::shared_ptr<ExpressionNode>&   rRHS );
  54             static std::shared_ptr<ExpressionNode> createDividesExpression   ( const std::shared_ptr<ExpressionNode>&   rLHS,
  55                                                                        const std::shared_ptr<ExpressionNode>&   rRHS );
  56
  57             /** Composes two ExpressionNode function.
  58
  59                 The resulting expression will calculate
  60                 rOuterFunction( rInnerFunction(t) ).
  61              */
  62             static std::shared_ptr<ExpressionNode> createMinExpression      ( const std::shared_ptr<ExpressionNode>&    rOuterFunction,
  63                                                                       const std::shared_ptr<ExpressionNode>&    rInnerFunction );
  64
  65             static std::shared_ptr<ExpressionNode> createMaxExpression      ( const std::shared_ptr<ExpressionNode>&    rOuterFunction,
  66                                                                       const std::shared_ptr<ExpressionNode>&    rInnerFunction );
  67         };
  68     }
  69 }
  70
  71 #endif // INCLUDED_SLIDESHOW_SOURCE_INC_EXPRESSIONNODEFACTORY_HXX
  72
  73 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */