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Diffstat (limited to 'chart2/source/view/main/LabelPositionHelper.cxx')
| -rw-r--r-- | chart2/source/view/main/LabelPositionHelper.cxx | 468 |
1 files changed, 468 insertions, 0 deletions
diff --git a/chart2/source/view/main/LabelPositionHelper.cxx b/chart2/source/view/main/LabelPositionHelper.cxx new file mode 100644 index 000000000..811bf7ad1 --- /dev/null +++ b/chart2/source/view/main/LabelPositionHelper.cxx @@ -0,0 +1,468 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * 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 . + */ + +#include <LabelPositionHelper.hxx> +#include <PlottingPositionHelper.hxx> +#include <PropertyMapper.hxx> +#include <RelativeSizeHelper.hxx> +#include <com/sun/star/beans/XPropertySet.hpp> +#include <com/sun/star/drawing/TextVerticalAdjust.hpp> +#include <com/sun/star/drawing/TextHorizontalAdjust.hpp> +#include <com/sun/star/drawing/XShape.hpp> + +namespace chart +{ +using namespace ::com::sun::star; +using namespace ::com::sun::star::chart2; + +LabelPositionHelper::LabelPositionHelper( + sal_Int32 nDimensionCount + , const uno::Reference< drawing::XShapes >& xLogicTarget + , ShapeFactory* pShapeFactory ) + : m_nDimensionCount(nDimensionCount) + , m_xLogicTarget(xLogicTarget) + , m_pShapeFactory(pShapeFactory) +{ +} + +LabelPositionHelper::~LabelPositionHelper() +{ +} + +awt::Point LabelPositionHelper::transformSceneToScreenPosition( const drawing::Position3D& rScenePosition3D ) const +{ + return PlottingPositionHelper::transformSceneToScreenPosition( + rScenePosition3D, m_xLogicTarget, m_pShapeFactory, m_nDimensionCount ); +} + +void LabelPositionHelper::changeTextAdjustment( tAnySequence& rPropValues, const tNameSequence& rPropNames, LabelAlignment eAlignment) +{ + //HorizontalAdjustment + { + drawing::TextHorizontalAdjust eHorizontalAdjust = drawing::TextHorizontalAdjust_CENTER; + if( eAlignment==LABEL_ALIGN_RIGHT || eAlignment==LABEL_ALIGN_RIGHT_TOP || eAlignment==LABEL_ALIGN_RIGHT_BOTTOM ) + eHorizontalAdjust = drawing::TextHorizontalAdjust_LEFT; + else if( eAlignment==LABEL_ALIGN_LEFT || eAlignment==LABEL_ALIGN_LEFT_TOP || eAlignment==LABEL_ALIGN_LEFT_BOTTOM ) + eHorizontalAdjust = drawing::TextHorizontalAdjust_RIGHT; + uno::Any* pHorizontalAdjustAny = PropertyMapper::getValuePointer(rPropValues,rPropNames,"TextHorizontalAdjust"); + if(pHorizontalAdjustAny) + *pHorizontalAdjustAny <<= eHorizontalAdjust; + } + + //VerticalAdjustment + { + drawing::TextVerticalAdjust eVerticalAdjust = drawing::TextVerticalAdjust_CENTER; + if( eAlignment==LABEL_ALIGN_TOP || eAlignment==LABEL_ALIGN_RIGHT_TOP || eAlignment==LABEL_ALIGN_LEFT_TOP ) + eVerticalAdjust = drawing::TextVerticalAdjust_BOTTOM; + else if( eAlignment==LABEL_ALIGN_BOTTOM || eAlignment==LABEL_ALIGN_RIGHT_BOTTOM || eAlignment==LABEL_ALIGN_LEFT_BOTTOM ) + eVerticalAdjust = drawing::TextVerticalAdjust_TOP; + uno::Any* pVerticalAdjustAny = PropertyMapper::getValuePointer(rPropValues,rPropNames,"TextVerticalAdjust"); + if(pVerticalAdjustAny) + *pVerticalAdjustAny <<= eVerticalAdjust; + } +} + +static void lcl_doDynamicFontResize( uno::Any* pAOldAndNewFontHeightAny + , const awt::Size& rOldReferenceSize + , const awt::Size& rNewReferenceSize ) +{ + double fOldFontHeight = 0; + if( pAOldAndNewFontHeightAny && ( *pAOldAndNewFontHeightAny >>= fOldFontHeight ) ) + { + double fNewFontHeight = RelativeSizeHelper::calculate( fOldFontHeight, rOldReferenceSize, rNewReferenceSize ); + *pAOldAndNewFontHeightAny <<= fNewFontHeight; + } +} + +void LabelPositionHelper::doDynamicFontResize( tAnySequence& rPropValues + , const tNameSequence& rPropNames + , const uno::Reference< beans::XPropertySet >& xAxisModelProps + , const awt::Size& rNewReferenceSize + ) +{ + //handle dynamic font resize: + awt::Size aOldReferenceSize; + if( xAxisModelProps->getPropertyValue( "ReferencePageSize") >>= aOldReferenceSize ) + { + uno::Any* pAOldAndNewFontHeightAny = PropertyMapper::getValuePointer( rPropValues, rPropNames, "CharHeight" ); + lcl_doDynamicFontResize( pAOldAndNewFontHeightAny, aOldReferenceSize, rNewReferenceSize ); + pAOldAndNewFontHeightAny = PropertyMapper::getValuePointer( rPropValues, rPropNames, "CharHeightAsian" ); + lcl_doDynamicFontResize( pAOldAndNewFontHeightAny, aOldReferenceSize, rNewReferenceSize ); + pAOldAndNewFontHeightAny = PropertyMapper::getValuePointer( rPropValues, rPropNames, "CharHeightComplex" ); + lcl_doDynamicFontResize( pAOldAndNewFontHeightAny, aOldReferenceSize, rNewReferenceSize ); + } +} + +namespace +{ + +void lcl_correctRotation_Left( double& rfXCorrection, double& rfYCorrection + , double fAnglePositiveDegree, const awt::Size& aSize, bool bRotateAroundCenter ) +{ + //correct label positions for labels on a left side of something with a right centered alignment + double fAnglePi = basegfx::deg2rad(fAnglePositiveDegree); + if( fAnglePositiveDegree==0.0 ) + { + } + else if( fAnglePositiveDegree<= 90.0 ) + { + rfXCorrection = -aSize.Height*rtl::math::sin( fAnglePi )/2.0; + if( bRotateAroundCenter ) + rfYCorrection = -aSize.Width*rtl::math::sin( fAnglePi )/2.0; + } + else if( fAnglePositiveDegree<= 180.0 ) + { + double beta = fAnglePi-F_PI2; + rfXCorrection = -aSize.Width *rtl::math::sin( beta ) + -aSize.Height *rtl::math::cos( beta )/2.0; + if( bRotateAroundCenter ) + rfYCorrection = -aSize.Width *rtl::math::cos( beta )/2.0; + else + rfYCorrection = -aSize.Width *rtl::math::cos( beta ); + } + else if( fAnglePositiveDegree<= 270.0 ) + { + double beta = fAnglePi - F_PI; + rfXCorrection = -aSize.Width *rtl::math::cos( beta ) + -aSize.Height*rtl::math::sin( beta )/2.0; + if( bRotateAroundCenter ) + rfYCorrection = aSize.Width *rtl::math::sin( beta )/2.0; + else + rfYCorrection = aSize.Width *rtl::math::sin( beta ); + } + else + { + double beta = 2*F_PI - fAnglePi; + rfXCorrection = -aSize.Height*rtl::math::sin( beta )/2.0; + if( bRotateAroundCenter ) + rfYCorrection = aSize.Width*rtl::math::sin( beta )/2.0; + } +} + +void lcl_correctRotation_Right( double& rfXCorrection, double& rfYCorrection + , double fAnglePositiveDegree, const awt::Size& aSize, bool bRotateAroundCenter ) +{ + //correct label positions for labels on a right side of something with a left centered alignment + double fAnglePi = basegfx::deg2rad(fAnglePositiveDegree); + if( fAnglePositiveDegree== 0.0 ) + { + } + else if( fAnglePositiveDegree<= 90.0 ) + { + rfXCorrection = aSize.Height*rtl::math::sin( fAnglePi )/2.0; + if( bRotateAroundCenter ) + rfYCorrection = aSize.Width*rtl::math::sin( fAnglePi )/2.0; + } + else if( fAnglePositiveDegree<= 180.0 ) + { + double beta = F_PI - fAnglePi; + rfXCorrection = aSize.Width *rtl::math::cos( beta ) + + aSize.Height*rtl::math::sin( beta )/2.0; + if( bRotateAroundCenter ) + rfYCorrection = aSize.Width *rtl::math::sin( beta )/2.0; + else + rfYCorrection = aSize.Width *rtl::math::sin( beta ); + } + else if( fAnglePositiveDegree<= 270.0 ) + { + double beta = 3*F_PI2 - fAnglePi; + rfXCorrection = aSize.Width *rtl::math::sin( beta ) + +aSize.Height*rtl::math::cos( beta )/2.0; + if( bRotateAroundCenter ) + rfYCorrection = -aSize.Width *rtl::math::cos( beta )/2.0; + else + rfYCorrection = -aSize.Width *rtl::math::cos( beta ); + } + else + { + rfXCorrection = aSize.Height*rtl::math::sin( 2*F_PI - fAnglePi )/2.0; + if( bRotateAroundCenter ) + rfYCorrection = -aSize.Width*rtl::math::sin( 2*F_PI - fAnglePi )/2.0; + } +} + +void lcl_correctRotation_Top( double& rfXCorrection, double& rfYCorrection + , double fAnglePositiveDegree, const awt::Size& aSize, bool bRotateAroundCenter ) +{ + //correct label positions for labels on top of something with a bottom centered alignment + double fAnglePi = basegfx::deg2rad(fAnglePositiveDegree); + if( fAnglePositiveDegree== 0.0 ) + { + } + else if( fAnglePositiveDegree<= 90.0 ) + { + rfXCorrection = aSize.Height*rtl::math::sin( fAnglePi )/2.0; + if( !bRotateAroundCenter ) + rfXCorrection += aSize.Width*rtl::math::cos( fAnglePi )/2.0; + rfYCorrection = -aSize.Width*rtl::math::sin( fAnglePi )/2.0; + } + else if( fAnglePositiveDegree<= 180.0 ) + { + double beta = fAnglePi - F_PI2; + rfXCorrection = aSize.Height*rtl::math::cos( beta )/2.0; + if( !bRotateAroundCenter ) + rfXCorrection -= aSize.Width*rtl::math::sin( beta )/2.0; + rfYCorrection = -aSize.Width*rtl::math::cos( beta )/2.0 + - aSize.Height*rtl::math::sin( beta ); + } + else if( fAnglePositiveDegree<= 270.0 ) + { + double beta = fAnglePi - F_PI; + rfXCorrection = -aSize.Height *rtl::math::sin( beta )/2.0; + if( !bRotateAroundCenter ) + rfXCorrection += aSize.Width *rtl::math::cos( beta )/2.0; + rfYCorrection = -aSize.Width *rtl::math::sin( beta )/2.0 + -aSize.Height *rtl::math::cos( beta ); + } + else + { + rfXCorrection = aSize.Height*rtl::math::sin( fAnglePi )/2.0; + if( !bRotateAroundCenter ) + rfXCorrection -= aSize.Width*rtl::math::cos( fAnglePi )/2.0; + rfYCorrection = aSize.Width*rtl::math::sin( fAnglePi )/2.0; + } +} + +void lcl_correctRotation_Bottom( double& rfXCorrection, double& rfYCorrection + , double fAnglePositiveDegree, const awt::Size& aSize, bool bRotateAroundCenter ) +{ + //correct label positions for labels below something with a top centered alignment + double fAnglePi = basegfx::deg2rad(fAnglePositiveDegree); + if( fAnglePositiveDegree==0.0 ) + { + } + else if( fAnglePositiveDegree<= 90.0 ) + { + rfXCorrection = -aSize.Height*rtl::math::sin( fAnglePi )/2.0; + if( !bRotateAroundCenter ) + rfXCorrection -= aSize.Width *rtl::math::cos( fAnglePi )/2.0; + rfYCorrection = aSize.Width*rtl::math::sin( fAnglePi )/2.0; + } + else if( fAnglePositiveDegree<= 180.0 ) + { + double beta = fAnglePi-F_PI2; + rfXCorrection = -aSize.Height*rtl::math::cos( beta )/2.0; + if( !bRotateAroundCenter ) + rfXCorrection += aSize.Width *rtl::math::sin( beta )/2.0; + rfYCorrection = aSize.Width *rtl::math::cos( beta )/2.0 + +aSize.Height*rtl::math::sin( beta ); + } + else if( fAnglePositiveDegree<= 270.0 ) + { + double beta = 3*F_PI2 - fAnglePi; + rfXCorrection = aSize.Height*rtl::math::cos( beta )/2.0; + if( !bRotateAroundCenter ) + rfXCorrection -= aSize.Width *rtl::math::sin( beta )/2.0; + rfYCorrection = aSize.Height*rtl::math::sin( beta ) + +aSize.Width*rtl::math::cos( beta )/2.0; + } + else + { + double beta = 2*F_PI - fAnglePi; + rfXCorrection = aSize.Height*rtl::math::sin( beta )/2.0; + if( !bRotateAroundCenter ) + rfXCorrection += aSize.Width*rtl::math::cos( beta )/2.0; + rfYCorrection = aSize.Width*rtl::math::sin( beta )/2.0; + } +} + +void lcl_correctRotation_Left_Top( double& rfXCorrection, double& rfYCorrection + , double fAnglePositiveDegree, const awt::Size& aSize ) +{ + //correct position for labels at the left top corner of something with a bottom right alignment + double fAnglePi = basegfx::deg2rad(fAnglePositiveDegree); + if( fAnglePositiveDegree==0.0 ) + { + } + else if( fAnglePositiveDegree<= 90.0 ) + { + rfYCorrection = -aSize.Width*rtl::math::sin( fAnglePi ); + } + else if( fAnglePositiveDegree<= 180.0 ) + { + double beta = fAnglePi-F_PI2; + rfXCorrection = -aSize.Width*rtl::math::sin( beta ); + rfYCorrection = -aSize.Height*rtl::math::sin( beta ) + -aSize.Width*rtl::math::cos( beta ); + } + else if( fAnglePositiveDegree<= 270.0 ) + { + double beta = 3*F_PI2 - fAnglePi; + rfXCorrection = -aSize.Height*rtl::math::cos( beta ) + -aSize.Width*rtl::math::sin( beta ); + rfYCorrection = -aSize.Height*rtl::math::sin( beta ); + } + else + { + rfXCorrection = aSize.Height*rtl::math::sin( fAnglePi ); + } +} + +void lcl_correctRotation_Left_Bottom( double& rfXCorrection, double& rfYCorrection + , double fAnglePositiveDegree, const awt::Size& aSize ) +{ + //correct position for labels at the left bottom corner of something with a top right alignment + double fAnglePi = basegfx::deg2rad(fAnglePositiveDegree); + if( fAnglePositiveDegree==0.0 ) + { + } + else if( fAnglePositiveDegree<= 90.0 ) + { + rfXCorrection = -aSize.Height*rtl::math::sin( fAnglePi ); + } + else if( fAnglePositiveDegree<= 180.0 ) + { + double beta = fAnglePi-F_PI2; + rfXCorrection = -aSize.Width*rtl::math::sin( beta ) + -aSize.Height*rtl::math::cos( beta ); + rfYCorrection = aSize.Height*rtl::math::sin( beta ); + } + else if( fAnglePositiveDegree<= 270.0 ) + { + double beta = 3*F_PI2 - fAnglePi; + rfXCorrection = -aSize.Width*rtl::math::sin( beta ); + rfYCorrection = aSize.Width*rtl::math::cos( beta ) + +aSize.Height*rtl::math::sin( beta ); + } + else + { + rfYCorrection = -aSize.Width*rtl::math::sin( fAnglePi ); + } +} + +void lcl_correctRotation_Right_Top( double& rfXCorrection, double& rfYCorrection + , double fAnglePositiveDegree, const awt::Size& aSize ) +{ + //correct position for labels at the right top corner of something with a bottom left alignment + double fAnglePi = basegfx::deg2rad(fAnglePositiveDegree); + if( fAnglePositiveDegree==0.0 ) + { + } + else if( fAnglePositiveDegree<= 90.0 ) + { + rfXCorrection = aSize.Height*rtl::math::sin( fAnglePi ); + } + else if( fAnglePositiveDegree<= 180.0 ) + { + double beta = fAnglePi-F_PI2; + rfXCorrection = aSize.Width*rtl::math::sin( beta ) + +aSize.Height*rtl::math::cos( beta ); + rfYCorrection = -aSize.Height*rtl::math::sin( beta ); + } + else if( fAnglePositiveDegree<= 270.0 ) + { + double beta = 3*F_PI2 - fAnglePi; + rfXCorrection = aSize.Width*rtl::math::sin( beta ); + rfYCorrection = -aSize.Width*rtl::math::cos( beta ) + -aSize.Height*rtl::math::sin( beta ); + } + else + { + rfYCorrection = aSize.Width*rtl::math::sin( fAnglePi ); + } +} + +void lcl_correctRotation_Right_Bottom( double& rfXCorrection, double& rfYCorrection + , double fAnglePositiveDegree, const awt::Size& aSize ) +{ + //correct position for labels at the right bottom corner of something with a top left alignment + double fAnglePi = basegfx::deg2rad(fAnglePositiveDegree); + if( fAnglePositiveDegree==0.0 ) + { + } + else if( fAnglePositiveDegree<= 90.0 ) + { + rfYCorrection = aSize.Width*rtl::math::sin( fAnglePi ); + } + else if( fAnglePositiveDegree<= 180.0 ) + { + double beta = fAnglePi-F_PI2; + rfXCorrection = aSize.Width*rtl::math::sin( beta ); + rfYCorrection = aSize.Height*rtl::math::sin( beta ) + +aSize.Width*rtl::math::cos( beta ); + } + else if( fAnglePositiveDegree<= 270.0 ) + { + double beta = 3*F_PI2 - fAnglePi; + rfXCorrection = aSize.Height*rtl::math::cos( beta ) + +aSize.Width*rtl::math::sin( beta ); + rfYCorrection = aSize.Height*rtl::math::sin( beta ); + } + else + { + rfXCorrection = -aSize.Height*rtl::math::sin( fAnglePi ); + } +} + +}//end anonymous namespace + +void LabelPositionHelper::correctPositionForRotation( const uno::Reference< drawing::XShape >& xShape2DText + , LabelAlignment eLabelAlignment, const double fRotationAngle, bool bRotateAroundCenter ) +{ + if( !xShape2DText.is() ) + return; + + awt::Point aOldPos = xShape2DText->getPosition(); + awt::Size aSize = xShape2DText->getSize(); + + double fYCorrection = 0.0; + double fXCorrection = 0.0; + + double fAnglePositiveDegree = fRotationAngle; + while(fAnglePositiveDegree<0.0) + fAnglePositiveDegree+=360.0; + + switch(eLabelAlignment) + { + case LABEL_ALIGN_LEFT: + lcl_correctRotation_Left( fXCorrection, fYCorrection, fAnglePositiveDegree, aSize, bRotateAroundCenter ); + break; + case LABEL_ALIGN_RIGHT: + lcl_correctRotation_Right( fXCorrection, fYCorrection, fAnglePositiveDegree, aSize, bRotateAroundCenter ); + break; + case LABEL_ALIGN_TOP: + lcl_correctRotation_Top( fXCorrection, fYCorrection, fAnglePositiveDegree, aSize, bRotateAroundCenter ); + break; + case LABEL_ALIGN_BOTTOM: + lcl_correctRotation_Bottom( fXCorrection, fYCorrection, fAnglePositiveDegree, aSize, bRotateAroundCenter ); + break; + case LABEL_ALIGN_LEFT_TOP: + lcl_correctRotation_Left_Top( fXCorrection, fYCorrection, fAnglePositiveDegree, aSize ); + break; + case LABEL_ALIGN_LEFT_BOTTOM: + lcl_correctRotation_Left_Bottom( fXCorrection, fYCorrection, fAnglePositiveDegree, aSize ); + break; + case LABEL_ALIGN_RIGHT_TOP: + lcl_correctRotation_Right_Top( fXCorrection, fYCorrection, fAnglePositiveDegree, aSize ); + break; + case LABEL_ALIGN_RIGHT_BOTTOM: + lcl_correctRotation_Right_Bottom( fXCorrection, fYCorrection, fAnglePositiveDegree, aSize ); + break; + default: //LABEL_ALIGN_CENTER + break; + } + + xShape2DText->setPosition( awt::Point( + static_cast<sal_Int32>(aOldPos.X + fXCorrection ) + , static_cast<sal_Int32>(aOldPos.Y + fYCorrection ) ) ); +} + +} //namespace chart + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |