File indexing completed on 2024-04-28 15:24:32

 /*
     Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org>
                   2004, 2005, 2006 Rob Buis <buis@kde.org>
 
     This file is part of the KDE project
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
     License as published by the Free Software Foundation; either
     version 2 of the License, or (at your option) any later version.
 
     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
     Library General Public License for more details.
 
     You should have received a copy of the GNU Library General Public License
     along with this library; see the file COPYING.LIB.  If not, write to
     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     Boston, MA 02110-1301, USA.
 */
 
 #if ENABLE(SVG) && ENABLE(SVG_FILTERS)
 #include "SVGFilterPrimitiveStandardAttributes.h"
 
 #include "SVGFilterElement.h"
 #include "SVGFilterEffect.h"
 #include "SVGLength.h"
 #include "SVGNames.h"
 #include "SVGUnitTypes.h"
 
 namespace WebCore
 {
 
 SVGFilterPrimitiveStandardAttributes::SVGFilterPrimitiveStandardAttributes(const QualifiedName &tagName, Document *doc)
     : SVGStyledElement(tagName, doc)
     , m_x(this, LengthModeWidth)
     , m_y(this, LengthModeHeight)
     , m_width(this, LengthModeWidth)
     , m_height(this, LengthModeHeight)
 {
     // Spec: If the attribute is not specified, the effect is as if a value of "0%" were specified.
     setXBaseValue(SVGLength(this, LengthModeWidth, "0%"));
     setYBaseValue(SVGLength(this, LengthModeHeight, "0%"));
 
     // Spec: If the attribute is not specified, the effect is as if a value of "100%" were specified.
     setWidthBaseValue(SVGLength(this, LengthModeWidth, "100%"));
     setHeightBaseValue(SVGLength(this, LengthModeHeight, "100%"));
 }
 
 SVGFilterPrimitiveStandardAttributes::~SVGFilterPrimitiveStandardAttributes()
 {
 }
 
 ANIMATED_PROPERTY_DEFINITIONS(SVGFilterPrimitiveStandardAttributes, SVGLength, Length, length, X, x, SVGNames::xAttr, m_x)
 ANIMATED_PROPERTY_DEFINITIONS(SVGFilterPrimitiveStandardAttributes, SVGLength, Length, length, Y, y, SVGNames::yAttr, m_y)
 ANIMATED_PROPERTY_DEFINITIONS(SVGFilterPrimitiveStandardAttributes, SVGLength, Length, length, Width, width, SVGNames::widthAttr, m_width)
 ANIMATED_PROPERTY_DEFINITIONS(SVGFilterPrimitiveStandardAttributes, SVGLength, Length, length, Height, height, SVGNames::heightAttr, m_height)
 ANIMATED_PROPERTY_DEFINITIONS(SVGFilterPrimitiveStandardAttributes, String, String, string, Result, result, SVGNames::resultAttr, m_result)
 
 void SVGFilterPrimitiveStandardAttributes::parseMappedAttribute(MappedAttribute *attr)
 {
     const AtomicString &value = attr->value();
     if (attr->name() == SVGNames::xAttr) {
         setXBaseValue(SVGLength(this, LengthModeWidth, value));
     } else if (attr->name() == SVGNames::yAttr) {
         setYBaseValue(SVGLength(this, LengthModeHeight, value));
     } else if (attr->name() == SVGNames::widthAttr) {
         setWidthBaseValue(SVGLength(this, LengthModeWidth, value));
     } else if (attr->name() == SVGNames::heightAttr) {
         setHeightBaseValue(SVGLength(this, LengthModeHeight, value));
     } else if (attr->name() == SVGNames::resultAttr) {
         setResultBaseValue(value);
     } else {
         return SVGStyledElement::parseMappedAttribute(attr);
     }
 }
 
 void SVGFilterPrimitiveStandardAttributes::setStandardAttributes(SVGFilterEffect *filterEffect) const
 {
     ASSERT(filterEffect);
     if (!filterEffect) {
         return;
     }
 
     ASSERT(filterEffect->filter());
 
     float _x, _y, _width, _height;
 
     if (filterEffect->filter()->effectBoundingBoxMode()) {
         _x = x().valueAsPercentage();
         _y = y().valueAsPercentage();
         _width = width().valueAsPercentage();
         _height = height().valueAsPercentage();
     } else {
         // We need to resolve any percentages in filter rect space.
         if (x().unitType() == LengthTypePercentage) {
             filterEffect->setXBoundingBoxMode(true);
             _x = x().valueAsPercentage();
         } else {
             filterEffect->setXBoundingBoxMode(false);
             _x = x().value();
         }
 
         if (y().unitType() == LengthTypePercentage) {
             filterEffect->setYBoundingBoxMode(true);
             _y = y().valueAsPercentage();
         } else {
             filterEffect->setYBoundingBoxMode(false);
             _y = y().value();
         }
 
         if (width().unitType() == LengthTypePercentage) {
             filterEffect->setWidthBoundingBoxMode(true);
             _width = width().valueAsPercentage();
         } else {
             filterEffect->setWidthBoundingBoxMode(false);
             _width = width().value();
         }
 
         if (height().unitType() == LengthTypePercentage) {
             filterEffect->setHeightBoundingBoxMode(true);
             _height = height().valueAsPercentage();
         } else {
             filterEffect->setHeightBoundingBoxMode(false);
             _height = height().value();
         }
     }
 
     filterEffect->setSubRegion(FloatRect(_x, _y, _width, _height));
     filterEffect->setResult(result());
 }
 
 }
 
 #endif // ENABLE(SVG)