1*b1cdbd2cSJim Jagielski /************************************************************** 2*b1cdbd2cSJim Jagielski * 3*b1cdbd2cSJim Jagielski * Licensed to the Apache Software Foundation (ASF) under one 4*b1cdbd2cSJim Jagielski * or more contributor license agreements. See the NOTICE file 5*b1cdbd2cSJim Jagielski * distributed with this work for additional information 6*b1cdbd2cSJim Jagielski * regarding copyright ownership. The ASF licenses this file 7*b1cdbd2cSJim Jagielski * to you under the Apache License, Version 2.0 (the 8*b1cdbd2cSJim Jagielski * "License"); you may not use this file except in compliance 9*b1cdbd2cSJim Jagielski * with the License. You may obtain a copy of the License at 10*b1cdbd2cSJim Jagielski * 11*b1cdbd2cSJim Jagielski * http://www.apache.org/licenses/LICENSE-2.0 12*b1cdbd2cSJim Jagielski * 13*b1cdbd2cSJim Jagielski * Unless required by applicable law or agreed to in writing, 14*b1cdbd2cSJim Jagielski * software distributed under the License is distributed on an 15*b1cdbd2cSJim Jagielski * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*b1cdbd2cSJim Jagielski * KIND, either express or implied. See the License for the 17*b1cdbd2cSJim Jagielski * specific language governing permissions and limitations 18*b1cdbd2cSJim Jagielski * under the License. 19*b1cdbd2cSJim Jagielski * 20*b1cdbd2cSJim Jagielski *************************************************************/ 21*b1cdbd2cSJim Jagielski 22*b1cdbd2cSJim Jagielski 23*b1cdbd2cSJim Jagielski 24*b1cdbd2cSJim Jagielski #if ! defined INCLUDED_SLIDESHOW_CLIPPINGFUNCTOR_HXX 25*b1cdbd2cSJim Jagielski #define INCLUDED_SLIDESHOW_CLIPPINGFUNCTOR_HXX 26*b1cdbd2cSJim Jagielski 27*b1cdbd2cSJim Jagielski #include <basegfx/numeric/ftools.hxx> 28*b1cdbd2cSJim Jagielski #include <basegfx/vector/b2dsize.hxx> 29*b1cdbd2cSJim Jagielski #include <basegfx/matrix/b2dhommatrix.hxx> 30*b1cdbd2cSJim Jagielski #include <basegfx/polygon/b2dpolypolygontools.hxx> 31*b1cdbd2cSJim Jagielski #include <transitioninfo.hxx> 32*b1cdbd2cSJim Jagielski #include <parametricpolypolygon.hxx> 33*b1cdbd2cSJim Jagielski 34*b1cdbd2cSJim Jagielski 35*b1cdbd2cSJim Jagielski namespace slideshow 36*b1cdbd2cSJim Jagielski { 37*b1cdbd2cSJim Jagielski namespace internal 38*b1cdbd2cSJim Jagielski { 39*b1cdbd2cSJim Jagielski /** Generates the final clipping polygon. 40*b1cdbd2cSJim Jagielski 41*b1cdbd2cSJim Jagielski This class serves as the functor, which generates the 42*b1cdbd2cSJim Jagielski final clipping polygon from a given ParametricPolyPolygon 43*b1cdbd2cSJim Jagielski and a TransitionInfo. 44*b1cdbd2cSJim Jagielski 45*b1cdbd2cSJim Jagielski The ParametricPolyPolygon can be obtained from the 46*b1cdbd2cSJim Jagielski ParametricPolyPolygonFactory, see there. 47*b1cdbd2cSJim Jagielski 48*b1cdbd2cSJim Jagielski The TransitionInfo further parameterizes the polygon 49*b1cdbd2cSJim Jagielski generated by the ParametricPolyPolygon, with common 50*b1cdbd2cSJim Jagielski modifications such as rotation, flipping, or change of 51*b1cdbd2cSJim Jagielski direction. This allows the ParametricPolyPolygonFactory to 52*b1cdbd2cSJim Jagielski provide only prototypical shapes, with the ClippingFunctor 53*b1cdbd2cSJim Jagielski further customizing the output. 54*b1cdbd2cSJim Jagielski */ 55*b1cdbd2cSJim Jagielski class ClippingFunctor 56*b1cdbd2cSJim Jagielski { 57*b1cdbd2cSJim Jagielski public: 58*b1cdbd2cSJim Jagielski ClippingFunctor( 59*b1cdbd2cSJim Jagielski const ParametricPolyPolygonSharedPtr& rPolygon, 60*b1cdbd2cSJim Jagielski const TransitionInfo& rTransitionInfo, 61*b1cdbd2cSJim Jagielski bool bDirectionForward, 62*b1cdbd2cSJim Jagielski bool bModeIn ); 63*b1cdbd2cSJim Jagielski 64*b1cdbd2cSJim Jagielski /** Generate clip polygon. 65*b1cdbd2cSJim Jagielski 66*b1cdbd2cSJim Jagielski @param nValue 67*b1cdbd2cSJim Jagielski Value to generate the polygon for. Must be in the 68*b1cdbd2cSJim Jagielski range [0,1]. 69*b1cdbd2cSJim Jagielski 70*b1cdbd2cSJim Jagielski @param rTargetSize 71*b1cdbd2cSJim Jagielski Size the clip polygon should cover. This is typically 72*b1cdbd2cSJim Jagielski the size of the object the effect is applied on. 73*b1cdbd2cSJim Jagielski */ 74*b1cdbd2cSJim Jagielski ::basegfx::B2DPolyPolygon operator()( double nValue, 75*b1cdbd2cSJim Jagielski const ::basegfx::B2DSize& rTargetSize ); 76*b1cdbd2cSJim Jagielski 77*b1cdbd2cSJim Jagielski private: 78*b1cdbd2cSJim Jagielski ParametricPolyPolygonSharedPtr mpParametricPoly; 79*b1cdbd2cSJim Jagielski ::basegfx::B2DHomMatrix maStaticTransformation; 80*b1cdbd2cSJim Jagielski // AW: Not needed 81*b1cdbd2cSJim Jagielski // ::basegfx::B2DPolyPolygon maBackgroundRect; 82*b1cdbd2cSJim Jagielski bool mbForwardParameterSweep; 83*b1cdbd2cSJim Jagielski bool mbSubtractPolygon; 84*b1cdbd2cSJim Jagielski const bool mbScaleIsotrophically; 85*b1cdbd2cSJim Jagielski bool mbFlip; 86*b1cdbd2cSJim Jagielski }; 87*b1cdbd2cSJim Jagielski 88*b1cdbd2cSJim Jagielski } 89*b1cdbd2cSJim Jagielski } 90*b1cdbd2cSJim Jagielski 91*b1cdbd2cSJim Jagielski #endif /* INCLUDED_SLIDESHOW_CLIPPINGFUNCTOR_HXX */ 92