| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| #if ! defined INCLUDED_SLIDESHOW_SPIRALWIPE_HXX |
| #define INCLUDED_SLIDESHOW_SPIRALWIPE_HXX |
| |
| #include "parametricpolypolygon.hxx" |
| #include <basegfx/numeric/ftools.hxx> |
| #include <basegfx/point/b2dpoint.hxx> |
| |
| |
| namespace slideshow { |
| namespace internal { |
| |
| /// Generates a topLeftClockWise or |
| /// bottomLeftCounterClockWise (flipOnYAxis=true) spiral wipe: |
| class SpiralWipe : public ParametricPolyPolygon |
| { |
| public: |
| SpiralWipe( sal_Int32 nElements, bool flipOnYAxis = false ); |
| virtual ::basegfx::B2DPolyPolygon operator () ( double t ); |
| protected: |
| ::basegfx::B2DPolyPolygon calcNegSpiral( double t ) const; |
| |
| const sal_Int32 m_elements; |
| const sal_Int32 m_sqrtElements; |
| const bool m_flipOnYAxis; |
| }; |
| |
| /// Generates a twoBoxLeft or fourBoxHorizontal wipe: |
| class BoxSnakesWipe : public SpiralWipe |
| { |
| public: |
| BoxSnakesWipe( sal_Int32 nElements, bool fourBox = false ) |
| : SpiralWipe(nElements), m_fourBox(fourBox) {} |
| virtual ::basegfx::B2DPolyPolygon operator () ( double t ); |
| private: |
| const bool m_fourBox; |
| }; |
| |
| } |
| } |
| |
| #endif /* INCLUDED_SLIDESHOW_SPIRALWIPE_HXX */ |
