1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 #ifndef INCLUDED_SLIDESHOW_EXPRESSIONNODEFACTORY_HXX 25 #define INCLUDED_SLIDESHOW_EXPRESSIONNODEFACTORY_HXX 26 27 #include "expressionnode.hxx" 28 29 #include <basegfx/vector/b2dsize.hxx> 30 #include <basegfx/range/b2drectangle.hxx> 31 32 33 /* Definition of ExpressionNodeFactory class */ 34 35 namespace slideshow 36 { 37 namespace internal 38 { 39 /** ExpressionNode factory 40 41 This class can be used to generate a wide variety of 42 ExpressionNode objects, e.g. when parsing SMIL function 43 expressions. 44 */ 45 class ExpressionNodeFactory 46 { 47 public: 48 static ExpressionNodeSharedPtr createConstantValueExpression( double rConstantValue ); 49 50 static ExpressionNodeSharedPtr createValueTExpression (); 51 52 static ExpressionNodeSharedPtr createPlusExpression ( const ExpressionNodeSharedPtr& rLHS, 53 const ExpressionNodeSharedPtr& rRHS ); 54 static ExpressionNodeSharedPtr createMinusExpression ( const ExpressionNodeSharedPtr& rLHS, 55 const ExpressionNodeSharedPtr& rRHS ); 56 static ExpressionNodeSharedPtr createMultipliesExpression( const ExpressionNodeSharedPtr& rLHS, 57 const ExpressionNodeSharedPtr& rRHS ); 58 static ExpressionNodeSharedPtr createDividesExpression ( const ExpressionNodeSharedPtr& rLHS, 59 const ExpressionNodeSharedPtr& rRHS ); 60 61 /** Composes two ExpressionNode function. 62 63 The resulting expression will calculate 64 rOuterFunction( rInnerFunction(t) ). 65 */ 66 static ExpressionNodeSharedPtr createComposedExpression ( const ExpressionNodeSharedPtr& rOuterFunction, 67 const ExpressionNodeSharedPtr& rInnerFunction ); 68 69 static ExpressionNodeSharedPtr createMinExpression ( const ExpressionNodeSharedPtr& rOuterFunction, 70 const ExpressionNodeSharedPtr& rInnerFunction ); 71 72 static ExpressionNodeSharedPtr createMaxExpression ( const ExpressionNodeSharedPtr& rOuterFunction, 73 const ExpressionNodeSharedPtr& rInnerFunction ); 74 }; 75 } 76 } 77 78 #endif /* INCLUDED_SLIDESHOW_EXPRESSIONNODEFACTORY_HXX */ 79