1*de7b3f82SAndrew Rist /************************************************************** 2cdf0e10cSrcweir * 3*de7b3f82SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 4*de7b3f82SAndrew Rist * or more contributor license agreements. See the NOTICE file 5*de7b3f82SAndrew Rist * distributed with this work for additional information 6*de7b3f82SAndrew Rist * regarding copyright ownership. The ASF licenses this file 7*de7b3f82SAndrew Rist * to you under the Apache License, Version 2.0 (the 8*de7b3f82SAndrew Rist * "License"); you may not use this file except in compliance 9*de7b3f82SAndrew Rist * with the License. You may obtain a copy of the License at 10*de7b3f82SAndrew Rist * 11*de7b3f82SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 12*de7b3f82SAndrew Rist * 13*de7b3f82SAndrew Rist * Unless required by applicable law or agreed to in writing, 14*de7b3f82SAndrew Rist * software distributed under the License is distributed on an 15*de7b3f82SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*de7b3f82SAndrew Rist * KIND, either express or implied. See the License for the 17*de7b3f82SAndrew Rist * specific language governing permissions and limitations 18*de7b3f82SAndrew Rist * under the License. 19*de7b3f82SAndrew Rist * 20*de7b3f82SAndrew Rist *************************************************************/ 21*de7b3f82SAndrew Rist 22*de7b3f82SAndrew Rist 23cdf0e10cSrcweir 24cdf0e10cSrcweir #ifndef _CHART2_RELATIVEPOSITIONHELPER_HXX 25cdf0e10cSrcweir #define _CHART2_RELATIVEPOSITIONHELPER_HXX 26cdf0e10cSrcweir 27cdf0e10cSrcweir #include <com/sun/star/chart2/RelativePosition.hpp> 28cdf0e10cSrcweir #include <com/sun/star/chart2/RelativeSize.hpp> 29cdf0e10cSrcweir #include <com/sun/star/drawing/Alignment.hpp> 30cdf0e10cSrcweir #include <com/sun/star/awt/Point.hpp> 31cdf0e10cSrcweir #include <com/sun/star/awt/Size.hpp> 32cdf0e10cSrcweir #include "charttoolsdllapi.hxx" 33cdf0e10cSrcweir 34cdf0e10cSrcweir //............................................................................. 35cdf0e10cSrcweir namespace chart 36cdf0e10cSrcweir { 37cdf0e10cSrcweir //............................................................................. 38cdf0e10cSrcweir 39cdf0e10cSrcweir //----------------------------------------------------------------------------- 40cdf0e10cSrcweir /** 41cdf0e10cSrcweir */ 42cdf0e10cSrcweir 43cdf0e10cSrcweir class OOO_DLLPUBLIC_CHARTTOOLS RelativePositionHelper 44cdf0e10cSrcweir { 45cdf0e10cSrcweir public: 46cdf0e10cSrcweir /** returns the upper left corner of an object that has size aObjectSize and 47cdf0e10cSrcweir where the point indicated by aAnchor has coordinates indicated by aPoint 48cdf0e10cSrcweir ( e.g. if aAnchor equals BOTTOM_LEFT, aPoint describes the 49cdf0e10cSrcweir coordinates of the bottom left corner of an object with size aObjectSize ) 50cdf0e10cSrcweir */ 51cdf0e10cSrcweir static ::com::sun::star::awt::Point 52cdf0e10cSrcweir getUpperLeftCornerOfAnchoredObject( 53cdf0e10cSrcweir ::com::sun::star::awt::Point aPoint, 54cdf0e10cSrcweir ::com::sun::star::awt::Size aObjectSize, 55cdf0e10cSrcweir ::com::sun::star::drawing::Alignment aAnchor ); 56cdf0e10cSrcweir 57cdf0e10cSrcweir /** returns the center of an object that has size aObjectSize and 58cdf0e10cSrcweir where the point indicated by aAnchor has coordinates indicated by aPoint 59cdf0e10cSrcweir ( e.g. if aAnchor equals BOTTOM_LEFT, aPoint describes the 60cdf0e10cSrcweir coordinates of the bottom left corner of an object with size aObjectSize ) 61cdf0e10cSrcweir */ 62cdf0e10cSrcweir static ::com::sun::star::awt::Point 63cdf0e10cSrcweir getCenterOfAnchoredObject( 64cdf0e10cSrcweir ::com::sun::star::awt::Point aPoint, 65cdf0e10cSrcweir ::com::sun::star::awt::Size aUnrotatedObjectSize, 66cdf0e10cSrcweir ::com::sun::star::drawing::Alignment aAnchor, 67cdf0e10cSrcweir double fAnglePi ); 68cdf0e10cSrcweir 69cdf0e10cSrcweir /** Returns a relative position that is the same point after the anchor has 70cdf0e10cSrcweir been changed to the given one. The passed object size is taken into 71cdf0e10cSrcweir account for shifting the position. 72cdf0e10cSrcweir */ 73cdf0e10cSrcweir SAL_DLLPRIVATE static ::com::sun::star::chart2::RelativePosition 74cdf0e10cSrcweir getReanchoredPosition( 75cdf0e10cSrcweir const ::com::sun::star::chart2::RelativePosition & rPosition, 76cdf0e10cSrcweir const ::com::sun::star::chart2::RelativeSize & rObjectSize, 77cdf0e10cSrcweir ::com::sun::star::drawing::Alignment aNewAnchor ); 78cdf0e10cSrcweir 79cdf0e10cSrcweir /** grows a relative size about the given amount and shifts the given 80cdf0e10cSrcweir position such that the resize is relative to the former rectangle's 81cdf0e10cSrcweir center. 82cdf0e10cSrcweir 83cdf0e10cSrcweir @param bCheck If </sal_True>, the resize is only done, if after 84cdf0e10cSrcweir transformation, the position and size are within the bounds [0,1]. 85cdf0e10cSrcweir 86cdf0e10cSrcweir @return </sal_True>, if changes were applied. 87cdf0e10cSrcweir 88cdf0e10cSrcweir <p>That means, if the position's alignment is center, the position will 89cdf0e10cSrcweir not change at all.</p> 90cdf0e10cSrcweir */ 91cdf0e10cSrcweir static bool centerGrow( 92cdf0e10cSrcweir ::com::sun::star::chart2::RelativePosition & rInOutPosition, 93cdf0e10cSrcweir ::com::sun::star::chart2::RelativeSize & rInOutSize, 94cdf0e10cSrcweir double fAmountX, double fAmountY, 95cdf0e10cSrcweir bool bCheck = true ); 96cdf0e10cSrcweir 97cdf0e10cSrcweir /** shifts a relative position about the given amount 98cdf0e10cSrcweir 99cdf0e10cSrcweir @param bCheck If </sal_True>, the shift is only done, if after 100cdf0e10cSrcweir transformation, the object represented by the position 101cdf0e10cSrcweir rInOutPosition and its size rObjectSize the position and size are 102cdf0e10cSrcweir within the bounds [0,1]. 103cdf0e10cSrcweir 104cdf0e10cSrcweir @return </sal_True>, if changes were applied. 105cdf0e10cSrcweir */ 106cdf0e10cSrcweir static bool moveObject( 107cdf0e10cSrcweir ::com::sun::star::chart2::RelativePosition & rInOutPosition, 108cdf0e10cSrcweir const ::com::sun::star::chart2::RelativeSize & rObjectSize, 109cdf0e10cSrcweir double fAmountX, double fAmountY, 110cdf0e10cSrcweir bool bCheck = true ); 111cdf0e10cSrcweir }; 112cdf0e10cSrcweir 113cdf0e10cSrcweir //............................................................................. 114cdf0e10cSrcweir } //namespace chart 115cdf0e10cSrcweir //............................................................................. 116cdf0e10cSrcweir #endif 117