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| -rw-r--r-- | chart2/source/inc/RelativePositionHelper.hxx | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/chart2/source/inc/RelativePositionHelper.hxx b/chart2/source/inc/RelativePositionHelper.hxx new file mode 100644 index 000000000..009f33eda --- /dev/null +++ b/chart2/source/inc/RelativePositionHelper.hxx @@ -0,0 +1,138 @@ +/************************************************************************* + * + * OpenOffice.org - a multi-platform office productivity suite + * + * $RCSfile: RelativePositionHelper.hxx,v $ + * + * $Revision: 1.2 $ + * + * last change: $Author: vg $ $Date: 2007-05-22 18:21:43 $ + * + * The Contents of this file are made available subject to + * the terms of GNU Lesser General Public License Version 2.1. + * + * + * GNU Lesser General Public License Version 2.1 + * ============================================= + * Copyright 2005 by Sun Microsystems, Inc. + * 901 San Antonio Road, Palo Alto, CA 94303, USA + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1, as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + ************************************************************************/ + +#ifndef _CHART2_RELATIVEPOSITIONHELPER_HXX +#define _CHART2_RELATIVEPOSITIONHELPER_HXX + +#ifndef _COM_SUN_STAR_CHART2_RELATIVEPOSITION_HPP_ +#include <com/sun/star/chart2/RelativePosition.hpp> +#endif +#ifndef _COM_SUN_STAR_CHART2_RELATIVESIZE_HPP_ +#include <com/sun/star/chart2/RelativeSize.hpp> +#endif + +#ifndef _COM_SUN_STAR_DRAWING_ALIGNMENT_HPP_ +#include <com/sun/star/drawing/Alignment.hpp> +#endif +#ifndef _COM_SUN_STAR_AWT_POINT_HPP_ +#include <com/sun/star/awt/Point.hpp> +#endif +#ifndef _COM_SUN_STAR_AWT_SIZE_HPP_ +#include <com/sun/star/awt/Size.hpp> +#endif + +//............................................................................. +namespace chart +{ +//............................................................................. + +//----------------------------------------------------------------------------- +/** +*/ + +class RelativePositionHelper +{ +public: + /** returns the upper left corner of an object that has size aObjectSize and + where the point indicated by aAnchor has coordinates indicated by aPoint + ( e.g. if aAnchor equals BOTTOM_LEFT, aPoint describes the + coordinates of the bottom left corner of an object with size aObjectSize ) + */ + static ::com::sun::star::awt::Point + getUpperLeftCornerOfAnchoredObject( + ::com::sun::star::awt::Point aPoint, + ::com::sun::star::awt::Size aObjectSize, + ::com::sun::star::drawing::Alignment aAnchor ); + + /** returns the center of an object that has size aObjectSize and + where the point indicated by aAnchor has coordinates indicated by aPoint + ( e.g. if aAnchor equals BOTTOM_LEFT, aPoint describes the + coordinates of the bottom left corner of an object with size aObjectSize ) + */ + static ::com::sun::star::awt::Point + getCenterOfAnchoredObject( + ::com::sun::star::awt::Point aPoint, + ::com::sun::star::awt::Size aUnrotatedObjectSize, + ::com::sun::star::drawing::Alignment aAnchor, + double fAnglePi ); + + /** Returns a relative position that is the same point after the anchor has + been changed to the given one. The passed object size is taken into + account for shifting the position. + */ + static ::com::sun::star::chart2::RelativePosition + getReanchoredPosition( + const ::com::sun::star::chart2::RelativePosition & rPosition, + const ::com::sun::star::chart2::RelativeSize & rObjectSize, + ::com::sun::star::drawing::Alignment aNewAnchor ); + + /** grows a relative size about the given amount and shifts the given + position such that the resize is relative to the former rectangle's + center. + + @param bCheck If </TRUE>, the resize is only done, if after + transformation, the position and size are within the bounds [0,1]. + + @return </TRUE>, if changes were applied. + + <p>That means, if the position's alignment is center, the position will + not change at all.</p> + */ + static bool centerGrow( + ::com::sun::star::chart2::RelativePosition & rInOutPosition, + ::com::sun::star::chart2::RelativeSize & rInOutSize, + double fAmountX, double fAmountY, + bool bCheck = true ); + + /** shifts a relative position about the given amount + + @param bCheck If </TRUE>, the shift is only done, if after + transformation, the object represented by the position + rInOutPosition and its size rObjectSize the position and size are + within the bounds [0,1]. + + @return </TRUE>, if changes were applied. + */ + static bool moveObject( + ::com::sun::star::chart2::RelativePosition & rInOutPosition, + const ::com::sun::star::chart2::RelativeSize & rObjectSize, + double fAmountX, double fAmountY, + bool bCheck = true ); +}; + +//............................................................................. +} //namespace chart +//............................................................................. +#endif |