office-gobmx/slideshow/source/inc/expressionnodefactory.hxx
2011-08-31 07:37:32 -07:00

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3.6 KiB
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#ifndef INCLUDED_SLIDESHOW_EXPRESSIONNODEFACTORY_HXX
#define INCLUDED_SLIDESHOW_EXPRESSIONNODEFACTORY_HXX
#include "expressionnode.hxx"
#include <basegfx/vector/b2dsize.hxx>
#include <basegfx/range/b2drectangle.hxx>
/* Definition of ExpressionNodeFactory class */
namespace slideshow
{
namespace internal
{
/** ExpressionNode factory
This class can be used to generate a wide variety of
ExpressionNode objects, e.g. when parsing SMIL function
expressions.
*/
class ExpressionNodeFactory
{
public:
static ExpressionNodeSharedPtr createConstantValueExpression( double rConstantValue );
static ExpressionNodeSharedPtr createValueTExpression ();
static ExpressionNodeSharedPtr createPlusExpression ( const ExpressionNodeSharedPtr& rLHS,
const ExpressionNodeSharedPtr& rRHS );
static ExpressionNodeSharedPtr createMinusExpression ( const ExpressionNodeSharedPtr& rLHS,
const ExpressionNodeSharedPtr& rRHS );
static ExpressionNodeSharedPtr createMultipliesExpression( const ExpressionNodeSharedPtr& rLHS,
const ExpressionNodeSharedPtr& rRHS );
static ExpressionNodeSharedPtr createDividesExpression ( const ExpressionNodeSharedPtr& rLHS,
const ExpressionNodeSharedPtr& rRHS );
/** Composes two ExpressionNode function.
The resulting expression will calculate
rOuterFunction( rInnerFunction(t) ).
*/
static ExpressionNodeSharedPtr createMinExpression ( const ExpressionNodeSharedPtr& rOuterFunction,
const ExpressionNodeSharedPtr& rInnerFunction );
static ExpressionNodeSharedPtr createMaxExpression ( const ExpressionNodeSharedPtr& rOuterFunction,
const ExpressionNodeSharedPtr& rInnerFunction );
};
}
}
#endif /* INCLUDED_SLIDESHOW_EXPRESSIONNODEFACTORY_HXX */
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