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+/* -*- 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 .
+ */
+
+
+// must be first
+#include <tools/diagnose_ex.h>
+#include <shapeattributelayer.hxx>
+
+#include <com/sun/star/awt/FontUnderline.hpp>
+#include <com/sun/star/awt/FontWeight.hpp>
+#include <com/sun/star/animations/AnimationAdditiveMode.hpp>
+
+#include <rtl/math.hxx>
+
+
+using namespace ::com::sun::star;
+
+
+namespace slideshow::internal
+{
+ /** Update state ids
+
+ This method updates all state IDs from possible
+ children. Whenever a child's state ID changed, we
+ increment ours.
+ */
+ void ShapeAttributeLayer::updateStateIds()
+ {
+ if( !haveChild() )
+ return;
+
+ if( mnTransformationState != mpChild->getTransformationState() )
+ ++mnTransformationState;
+ if( mnClipState != mpChild->getClipState() )
+ ++mnClipState;
+ if( mnAlphaState != mpChild->getAlphaState() )
+ ++mnAlphaState;
+ if( mnPositionState != mpChild->getPositionState() )
+ ++mnPositionState;
+ if( mnContentState != mpChild->getContentState() )
+ ++mnContentState;
+ if( mnVisibilityState != mpChild->getVisibilityState() )
+ ++mnVisibilityState;
+ }
+
+ /** Calc attribute value.
+
+ This method determines the current attribute value,
+ appropriately combining it with children values (by
+ evaluating the mnAdditiveMode member).
+ */
+ template< typename T > T ShapeAttributeLayer::calcValue( const T& rCurrValue,
+ bool bThisInstanceValid,
+ bool (ShapeAttributeLayer::*pIsValid)() const,
+ T (ShapeAttributeLayer::*pGetValue)() const ) const
+ {
+ // deviated from the (*shared_ptr).*mpFuncPtr notation
+ // here, since gcc does not seem to parse that as a member
+ // function call anymore.
+ const bool bChildInstanceValueValid( haveChild() && (mpChild.get()->*pIsValid)() );
+
+ if( bThisInstanceValid )
+ {
+ if( bChildInstanceValueValid )
+ {
+ // merge with child value
+ switch( mnAdditiveMode )
+ {
+ default:
+ // FALTHROUGH intended
+ case animations::AnimationAdditiveMode::NONE:
+ // FALTHROUGH intended
+ case animations::AnimationAdditiveMode::BASE:
+ // FALTHROUGH intended
+ case animations::AnimationAdditiveMode::REPLACE:
+ // TODO(F2): reverse-engineer the semantics of these
+ // values
+
+ // currently, treat them the same and replace
+ // the child value by our own
+ return rCurrValue;
+
+ case animations::AnimationAdditiveMode::SUM:
+ return rCurrValue + ((*mpChild).*pGetValue)();
+
+ case animations::AnimationAdditiveMode::MULTIPLY:
+ return rCurrValue * ((*mpChild).*pGetValue)();
+ }
+ }
+ else
+ {
+ // this object is the only one defining
+ // the value, so take it
+ return rCurrValue;
+ }
+ }
+ else
+ {
+ return bChildInstanceValueValid ?
+ ((*mpChild).*pGetValue)() :
+ T(); // pass on child value, regardless
+ // if it's valid or not. If not, it's
+ // a default anyway
+ }
+ }
+
+ ShapeAttributeLayer::ShapeAttributeLayer( const ShapeAttributeLayerSharedPtr& rChildLayer ) :
+ mpChild( rChildLayer ),
+
+ maSize(),
+ maPosition(),
+ maClip(),
+
+ maFontFamily(),
+
+ mnRotationAngle(),
+ mnShearXAngle(),
+ mnShearYAngle(),
+ mnAlpha(),
+ mnCharScale(),
+ mnCharWeight(),
+
+ meFillStyle( drawing::FillStyle_NONE ),
+ meLineStyle( drawing::LineStyle_NONE ),
+ meCharPosture( awt::FontSlant_NONE ),
+ mnUnderlineMode(),
+
+ maDimColor(),
+ maFillColor(),
+ maLineColor(),
+ maCharColor(),
+
+ mnTransformationState( rChildLayer ? rChildLayer->getTransformationState() : 0 ),
+ mnClipState( rChildLayer ? rChildLayer->getClipState() : 0),
+ mnAlphaState( rChildLayer ? rChildLayer->getAlphaState() : 0),
+ mnPositionState( rChildLayer ? rChildLayer->getPositionState() : 0 ),
+ mnContentState( rChildLayer ? rChildLayer->getContentState() : 0 ),
+ mnVisibilityState( rChildLayer ? rChildLayer->getVisibilityState() : 0 ),
+
+ mnAdditiveMode( animations::AnimationAdditiveMode::BASE ),
+
+ mbVisibility( false ),
+
+ mbWidthValid( false ),
+ mbHeightValid( false ),
+ mbPosXValid( false ),
+ mbPosYValid( false ),
+ mbClipValid( false ),
+
+ mbFontFamilyValid( false ),
+
+ mbRotationAngleValid( false ),
+ mbShearXAngleValid( false ),
+ mbShearYAngleValid( false ),
+
+ mbAlphaValid( false ),
+
+ mbCharScaleValid( false ),
+
+ mbDimColorValid( false ),
+ mbFillColorValid( false ),
+ mbLineColorValid( false ),
+ mbCharColorValid( false ),
+
+ mbFillStyleValid( false ),
+ mbLineStyleValid( false ),
+ mbCharWeightValid( false ),
+ mbUnderlineModeValid( false ),
+ mbCharPostureValid( false ),
+ mbVisibilityValid( false )
+ {
+ }
+
+ bool ShapeAttributeLayer::revokeChildLayer( const ShapeAttributeLayerSharedPtr& rChildLayer )
+ {
+ ENSURE_OR_RETURN_FALSE( rChildLayer,
+ "ShapeAttributeLayer::revokeChildLayer(): Will not remove NULL child" );
+
+ if( !haveChild() )
+ return false; // no children, nothing to revoke.
+
+ if( mpChild == rChildLayer )
+ {
+ // we have it - replace by removed child's sibling.
+ mpChild = rChildLayer->getChildLayer();
+
+ // if we're now the first one, defensively increment _all_
+ // state ids: possibly all underlying attributes have now
+ // changed to default
+ if( !haveChild() )
+ {
+ // TODO(P1): Check whether it pays off to check more
+ // detailed, which attributes really change
+ ++mnTransformationState;
+ ++mnClipState;
+ ++mnAlphaState;
+ ++mnPositionState;
+ ++mnContentState;
+ ++mnVisibilityState;
+ }
+ }
+ else
+ {
+ // we don't have it - pass on the request
+ if( !mpChild->revokeChildLayer( rChildLayer ) )
+ return false; // nobody has it - bail out
+ }
+
+ // something might have changed - update ids.
+ updateStateIds();
+
+ return true;
+ }
+
+ const ShapeAttributeLayerSharedPtr& ShapeAttributeLayer::getChildLayer() const
+ {
+ return mpChild;
+ }
+
+ void ShapeAttributeLayer::setAdditiveMode( sal_Int16 nMode )
+ {
+ if( mnAdditiveMode != nMode )
+ {
+ // TODO(P1): Check whether it pays off to check more
+ // detailed, which attributes really change
+
+ // defensively increment all states - possibly each of them
+ // will change with different additive mode
+ ++mnTransformationState;
+ ++mnClipState;
+ ++mnAlphaState;
+ ++mnPositionState;
+ ++mnContentState;
+ ++mnVisibilityState;
+ }
+
+ mnAdditiveMode = nMode;
+ }
+
+ bool ShapeAttributeLayer::isWidthValid() const
+ {
+ return mbWidthValid || (haveChild() && mpChild->isWidthValid());
+ }
+
+ double ShapeAttributeLayer::getWidth() const
+ {
+ return calcValue< double >(
+ maSize.getX(),
+ mbWidthValid,
+ &ShapeAttributeLayer::isWidthValid,
+ &ShapeAttributeLayer::getWidth );
+ }
+
+ void ShapeAttributeLayer::setWidth( const double& rNewWidth )
+ {
+ ENSURE_OR_THROW( std::isfinite(rNewWidth),
+ "ShapeAttributeLayer::setWidth(): Invalid width" );
+
+ maSize.setX( rNewWidth );
+ mbWidthValid = true;
+ ++mnTransformationState;
+ }
+
+ bool ShapeAttributeLayer::isHeightValid() const
+ {
+ return mbHeightValid || ( haveChild() && mpChild->isHeightValid() );
+ }
+
+ double ShapeAttributeLayer::getHeight() const
+ {
+ return calcValue< double >(
+ maSize.getY(),
+ mbHeightValid,
+ &ShapeAttributeLayer::isHeightValid,
+ &ShapeAttributeLayer::getHeight );
+ }
+
+ void ShapeAttributeLayer::setHeight( const double& rNewHeight )
+ {
+ ENSURE_OR_THROW( std::isfinite(rNewHeight),
+ "ShapeAttributeLayer::setHeight(): Invalid height" );
+
+ maSize.setY( rNewHeight );
+ mbHeightValid = true;
+ ++mnTransformationState;
+ }
+
+ void ShapeAttributeLayer::setSize( const ::basegfx::B2DSize& rNewSize )
+ {
+ ENSURE_OR_THROW( std::isfinite(rNewSize.getX()) &&
+ std::isfinite(rNewSize.getY()),
+ "ShapeAttributeLayer::setSize(): Invalid size" );
+
+ maSize = rNewSize;
+ mbWidthValid = mbHeightValid = true;
+ ++mnTransformationState;
+ }
+
+ bool ShapeAttributeLayer::isPosXValid() const
+ {
+ return mbPosXValid || ( haveChild() && mpChild->isPosXValid() );
+ }
+
+ double ShapeAttributeLayer::getPosX() const
+ {
+ return calcValue< double >(
+ maPosition.getX(),
+ mbPosXValid,
+ &ShapeAttributeLayer::isPosXValid,
+ &ShapeAttributeLayer::getPosX );
+ }
+
+ void ShapeAttributeLayer::setPosX( const double& rNewX )
+ {
+ ENSURE_OR_THROW( std::isfinite(rNewX),
+ "ShapeAttributeLayer::setPosX(): Invalid position" );
+
+ maPosition.setX( rNewX );
+ mbPosXValid = true;
+ ++mnPositionState;
+ }
+
+ bool ShapeAttributeLayer::isPosYValid() const
+ {
+ return mbPosYValid || ( haveChild() && mpChild->isPosYValid() );
+ }
+
+ double ShapeAttributeLayer::getPosY() const
+ {
+ return calcValue< double >(
+ maPosition.getY(),
+ mbPosYValid,
+ &ShapeAttributeLayer::isPosYValid,
+ &ShapeAttributeLayer::getPosY );
+ }
+
+ void ShapeAttributeLayer::setPosY( const double& rNewY )
+ {
+ ENSURE_OR_THROW( std::isfinite(rNewY),
+ "ShapeAttributeLayer::setPosY(): Invalid position" );
+
+ maPosition.setY( rNewY );
+ mbPosYValid = true;
+ ++mnPositionState;
+ }
+
+ void ShapeAttributeLayer::setPosition( const ::basegfx::B2DPoint& rNewPos )
+ {
+ maPosition = rNewPos;
+ mbPosXValid = mbPosYValid = true;
+ ++mnPositionState;
+ }
+
+ bool ShapeAttributeLayer::isRotationAngleValid() const
+ {
+ return mbRotationAngleValid || ( haveChild() && mpChild->isRotationAngleValid() );
+ }
+
+ double ShapeAttributeLayer::getRotationAngle() const
+ {
+ return calcValue< double >(
+ mnRotationAngle,
+ mbRotationAngleValid,
+ &ShapeAttributeLayer::isRotationAngleValid,
+ &ShapeAttributeLayer::getRotationAngle );
+ }
+
+ void ShapeAttributeLayer::setRotationAngle( const double& rNewAngle )
+ {
+ ENSURE_OR_THROW( std::isfinite(rNewAngle),
+ "ShapeAttributeLayer::setRotationAngle(): Invalid angle" );
+
+ mnRotationAngle = rNewAngle;
+ mbRotationAngleValid = true;
+ ++mnTransformationState;
+ }
+
+ bool ShapeAttributeLayer::isShearXAngleValid() const
+ {
+ return mbShearXAngleValid || ( haveChild() && mpChild->isShearXAngleValid() );
+ }
+
+ double ShapeAttributeLayer::getShearXAngle() const
+ {
+ return calcValue( mnShearXAngle,
+ mbShearXAngleValid,
+ &ShapeAttributeLayer::isShearXAngleValid,
+ &ShapeAttributeLayer::getShearXAngle );
+ }
+
+ void ShapeAttributeLayer::setShearXAngle( const double& rNewAngle )
+ {
+ ENSURE_OR_THROW( std::isfinite(rNewAngle),
+ "ShapeAttributeLayer::setShearXAngle(): Invalid angle" );
+
+ mnShearXAngle = rNewAngle;
+ mbShearXAngleValid = true;
+ ++mnTransformationState;
+ }
+
+ bool ShapeAttributeLayer::isShearYAngleValid() const
+ {
+ return mbShearYAngleValid || ( haveChild() && mpChild->isShearYAngleValid() );
+ }
+
+ double ShapeAttributeLayer::getShearYAngle() const
+ {
+ return calcValue( mnShearYAngle,
+ mbShearYAngleValid,
+ &ShapeAttributeLayer::isShearYAngleValid,
+ &ShapeAttributeLayer::getShearYAngle );
+ }
+
+ void ShapeAttributeLayer::setShearYAngle( const double& rNewAngle )
+ {
+ ENSURE_OR_THROW( std::isfinite(rNewAngle),
+ "ShapeAttributeLayer::setShearYAngle(): Invalid angle" );
+
+ mnShearYAngle = rNewAngle;
+ mbShearYAngleValid = true;
+ ++mnTransformationState;
+ }
+
+ bool ShapeAttributeLayer::isAlphaValid() const
+ {
+ return mbAlphaValid || ( haveChild() && mpChild->isAlphaValid() );
+ }
+
+ double ShapeAttributeLayer::getAlpha() const
+ {
+ return calcValue( mnAlpha,
+ mbAlphaValid,
+ &ShapeAttributeLayer::isAlphaValid,
+ &ShapeAttributeLayer::getAlpha );
+ }
+
+ void ShapeAttributeLayer::setAlpha( const double& rNewValue )
+ {
+ ENSURE_OR_THROW( std::isfinite(rNewValue),
+ "ShapeAttributeLayer::setAlpha(): Invalid alpha" );
+
+ mnAlpha = rNewValue;
+ mbAlphaValid = true;
+ ++mnAlphaState;
+ }
+
+ bool ShapeAttributeLayer::isClipValid() const
+ {
+ return mbClipValid || ( haveChild() && mpChild->isClipValid() );
+ }
+
+ ::basegfx::B2DPolyPolygon ShapeAttributeLayer::getClip() const
+ {
+ // TODO(F1): Implement polygon algebra for additive modes
+ if( mbClipValid )
+ return maClip;
+ else if( haveChild() )
+ return mpChild->getClip();
+ else
+ return ::basegfx::B2DPolyPolygon();
+ }
+
+ void ShapeAttributeLayer::setClip( const ::basegfx::B2DPolyPolygon& rNewClip )
+ {
+ maClip = rNewClip;
+ mbClipValid = true;
+ ++mnClipState;
+ }
+
+ bool ShapeAttributeLayer::isDimColorValid() const
+ {
+ return mbDimColorValid || ( haveChild() && mpChild->isDimColorValid() );
+ }
+
+ RGBColor ShapeAttributeLayer::getDimColor() const
+ {
+ return calcValue( maDimColor,
+ mbDimColorValid,
+ &ShapeAttributeLayer::isDimColorValid,
+ &ShapeAttributeLayer::getDimColor );
+ }
+
+ void ShapeAttributeLayer::setDimColor( const RGBColor& nNewColor )
+ {
+ maDimColor = nNewColor;
+ mbDimColorValid = true;
+ ++mnContentState;
+ }
+
+ bool ShapeAttributeLayer::isFillColorValid() const
+ {
+ return mbFillColorValid || ( haveChild() && mpChild->isFillColorValid() );
+ }
+
+ RGBColor ShapeAttributeLayer::getFillColor() const
+ {
+ return calcValue( maFillColor,
+ mbFillColorValid,
+ &ShapeAttributeLayer::isFillColorValid,
+ &ShapeAttributeLayer::getFillColor );
+ }
+
+ void ShapeAttributeLayer::setFillColor( const RGBColor& nNewColor )
+ {
+ maFillColor = nNewColor;
+ mbFillColorValid = true;
+ ++mnContentState;
+ }
+
+ bool ShapeAttributeLayer::isLineColorValid() const
+ {
+ return mbLineColorValid || ( haveChild() && mpChild->isLineColorValid() );
+ }
+
+ RGBColor ShapeAttributeLayer::getLineColor() const
+ {
+ return calcValue( maLineColor,
+ mbLineColorValid,
+ &ShapeAttributeLayer::isLineColorValid,
+ &ShapeAttributeLayer::getLineColor );
+ }
+
+ void ShapeAttributeLayer::setLineColor( const RGBColor& nNewColor )
+ {
+ maLineColor = nNewColor;
+ mbLineColorValid = true;
+ ++mnContentState;
+ }
+
+ bool ShapeAttributeLayer::isFillStyleValid() const
+ {
+ return mbFillStyleValid || ( haveChild() && mpChild->isFillStyleValid() );
+ }
+
+ sal_Int16 ShapeAttributeLayer::getFillStyle() const
+ {
+ // mnAdditiveMode is ignored, cannot combine strings in
+ // any sensible way
+ if( mbFillStyleValid )
+ return sal::static_int_cast<sal_Int16>(meFillStyle);
+ else if( haveChild() )
+ return sal::static_int_cast<sal_Int16>(mpChild->getFillStyle());
+ else
+ return sal::static_int_cast<sal_Int16>(drawing::FillStyle_SOLID);
+ }
+
+ void ShapeAttributeLayer::setFillStyle( const sal_Int16& rStyle )
+ {
+ // TODO(Q1): Check range here.
+ meFillStyle = static_cast<drawing::FillStyle>(rStyle);
+ mbFillStyleValid = true;
+ ++mnContentState;
+ }
+
+ bool ShapeAttributeLayer::isLineStyleValid() const
+ {
+ return mbLineStyleValid || ( haveChild() && mpChild->isLineStyleValid() );
+ }
+
+ sal_Int16 ShapeAttributeLayer::getLineStyle() const
+ {
+ // mnAdditiveMode is ignored, cannot combine strings in
+ // any sensible way
+ if( mbLineStyleValid )
+ return sal::static_int_cast<sal_Int16>(meLineStyle);
+ else if( haveChild() )
+ return sal::static_int_cast<sal_Int16>(mpChild->getLineStyle());
+ else
+ return sal::static_int_cast<sal_Int16>(drawing::LineStyle_SOLID);
+ }
+
+ void ShapeAttributeLayer::setLineStyle( const sal_Int16& rStyle )
+ {
+ // TODO(Q1): Check range here.
+ meLineStyle = static_cast<drawing::LineStyle>(rStyle);
+ mbLineStyleValid = true;
+ ++mnContentState;
+ }
+
+ bool ShapeAttributeLayer::isVisibilityValid() const
+ {
+ return mbVisibilityValid || ( haveChild() && mpChild->isVisibilityValid() );
+ }
+
+ bool ShapeAttributeLayer::getVisibility() const
+ {
+ // mnAdditiveMode is ignored, SMIL spec requires to not combine
+ // bools in any sensible way
+ if( mbVisibilityValid )
+ return mbVisibility;
+ else if( haveChild() )
+ return mpChild->getVisibility();
+ else
+ return true; // default is always visible
+ }
+
+ void ShapeAttributeLayer::setVisibility( const bool& bVisible )
+ {
+ mbVisibility = bVisible;
+ mbVisibilityValid = true;
+ ++mnVisibilityState;
+ }
+
+ bool ShapeAttributeLayer::isCharColorValid() const
+ {
+ return mbCharColorValid || ( haveChild() && mpChild->isCharColorValid() );
+ }
+
+ RGBColor ShapeAttributeLayer::getCharColor() const
+ {
+ return calcValue( maCharColor,
+ mbCharColorValid,
+ &ShapeAttributeLayer::isCharColorValid,
+ &ShapeAttributeLayer::getCharColor );
+ }
+
+ void ShapeAttributeLayer::setCharColor( const RGBColor& nNewColor )
+ {
+ maCharColor = nNewColor;
+ mbCharColorValid = true;
+ ++mnContentState;
+ }
+
+ bool ShapeAttributeLayer::isCharWeightValid() const
+ {
+ return mbCharWeightValid || ( haveChild() && mpChild->isCharWeightValid() );
+ }
+
+ double ShapeAttributeLayer::getCharWeight() const
+ {
+ // mnAdditiveMode is ignored, cannot combine strings in
+ // any sensible way
+ if( mbCharWeightValid )
+ return mnCharWeight;
+ else if( haveChild() )
+ return mpChild->getCharWeight();
+ else
+ return awt::FontWeight::NORMAL;
+ }
+
+ void ShapeAttributeLayer::setCharWeight( const double& rValue )
+ {
+ // TODO(Q1): Check range here.
+ mnCharWeight = rValue;
+ mbCharWeightValid = true;
+ ++mnContentState;
+ }
+
+ bool ShapeAttributeLayer::isUnderlineModeValid() const
+ {
+ return mbUnderlineModeValid || ( haveChild() && mpChild->isUnderlineModeValid() );
+ }
+
+ sal_Int16 ShapeAttributeLayer::getUnderlineMode() const
+ {
+ // mnAdditiveMode is ignored, SMIL spec requires to not combine
+ // bools in any sensible way
+ if( mbUnderlineModeValid )
+ return mnUnderlineMode;
+ else if( haveChild() )
+ return mpChild->getUnderlineMode();
+ else
+ return awt::FontUnderline::NONE; // default is no underline
+ }
+
+ void ShapeAttributeLayer::setUnderlineMode( const sal_Int16& rUnderlineMode )
+ {
+ // TODO(Q1): Check range here.
+ mnUnderlineMode = rUnderlineMode;
+ mbUnderlineModeValid = true;
+ ++mnContentState;
+ }
+
+ bool ShapeAttributeLayer::isFontFamilyValid() const
+ {
+ return mbFontFamilyValid || ( haveChild() && mpChild->isFontFamilyValid() );
+ }
+
+ OUString ShapeAttributeLayer::getFontFamily() const
+ {
+ // mnAdditiveMode is ignored, cannot combine strings in
+ // any sensible way
+ if( mbFontFamilyValid )
+ return maFontFamily;
+ else if( haveChild() )
+ return mpChild->getFontFamily();
+ else
+ return OUString();
+ }
+
+ void ShapeAttributeLayer::setFontFamily( const OUString& rName )
+ {
+ maFontFamily = rName;
+ mbFontFamilyValid = true;
+ ++mnContentState;
+ }
+
+ bool ShapeAttributeLayer::isCharPostureValid() const
+ {
+ return mbCharPostureValid || ( haveChild() && mpChild->isCharPostureValid() );
+ }
+
+ sal_Int16 ShapeAttributeLayer::getCharPosture() const
+ {
+ // mnAdditiveMode is ignored, cannot combine strings in
+ // any sensible way
+ if( mbCharPostureValid )
+ return sal::static_int_cast<sal_Int16>(meCharPosture);
+ else if( haveChild() )
+ return sal::static_int_cast<sal_Int16>(mpChild->getCharPosture());
+ else
+ return sal::static_int_cast<sal_Int16>(awt::FontSlant_NONE);
+ }
+
+ void ShapeAttributeLayer::setCharPosture( const sal_Int16& rStyle )
+ {
+ // TODO(Q1): Check range here.
+ meCharPosture = static_cast<awt::FontSlant>(rStyle);
+ mbCharPostureValid = true;
+ ++mnContentState;
+ }
+
+ bool ShapeAttributeLayer::isCharScaleValid() const
+ {
+ return mbCharScaleValid || ( haveChild() && mpChild->isCharScaleValid() );
+ }
+
+ double ShapeAttributeLayer::getCharScale() const
+ {
+ return calcValue( mnCharScale,
+ mbCharScaleValid,
+ &ShapeAttributeLayer::isCharScaleValid,
+ &ShapeAttributeLayer::getCharScale );
+ }
+
+ void ShapeAttributeLayer::setCharScale( const double& rNewHeight )
+ {
+ ENSURE_OR_THROW( std::isfinite(rNewHeight),
+ "ShapeAttributeLayer::setCharScale(): Invalid height" );
+
+ mnCharScale = rNewHeight;
+ mbCharScaleValid = true;
+ ++mnContentState;
+ }
+
+ State::StateId ShapeAttributeLayer::getTransformationState() const
+ {
+ return haveChild() ?
+ ::std::max( mnTransformationState,
+ mpChild->getTransformationState() ) :
+ mnTransformationState;
+ }
+
+ State::StateId ShapeAttributeLayer::getClipState() const
+ {
+ return haveChild() ?
+ ::std::max( mnClipState,
+ mpChild->getClipState() ) :
+ mnClipState;
+ }
+
+ State::StateId ShapeAttributeLayer::getAlphaState() const
+ {
+ return haveChild() ?
+ ::std::max( mnAlphaState,
+ mpChild->getAlphaState() ) :
+ mnAlphaState;
+ }
+
+ State::StateId ShapeAttributeLayer::getPositionState() const
+ {
+ return haveChild() ?
+ ::std::max( mnPositionState,
+ mpChild->getPositionState() ) :
+ mnPositionState;
+ }
+
+ State::StateId ShapeAttributeLayer::getContentState() const
+ {
+ return haveChild() ?
+ ::std::max( mnContentState,
+ mpChild->getContentState() ) :
+ mnContentState;
+ }
+
+ State::StateId ShapeAttributeLayer::getVisibilityState() const
+ {
+ return haveChild() ?
+ ::std::max( mnVisibilityState,
+ mpChild->getVisibilityState() ) :
+ mnVisibilityState;
+ }
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */