office-gobmx/chart2/source/inc/RelativePositionHelper.hxx
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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: RelativePositionHelper.hxx,v $
* $Revision: 1.3 $
*
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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#ifndef _CHART2_RELATIVEPOSITIONHELPER_HXX
#define _CHART2_RELATIVEPOSITIONHELPER_HXX
#include <com/sun/star/chart2/RelativePosition.hpp>
#include <com/sun/star/chart2/RelativeSize.hpp>
#include <com/sun/star/drawing/Alignment.hpp>
#include <com/sun/star/awt/Point.hpp>
#include <com/sun/star/awt/Size.hpp>
//.............................................................................
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