| /* |
| 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. |
| */ |
| |
| #include "config.h" |
| |
| #if ENABLE(SVG) && ENABLE(FILTERS) |
| #include "SVGFilterPrimitiveStandardAttributes.h" |
| |
| #include "FilterEffect.h" |
| #include "MappedAttribute.h" |
| #include "SVGLength.h" |
| #include "SVGNames.h" |
| #include "SVGStyledElement.h" |
| #include "SVGUnitTypes.h" |
| |
| namespace WebCore { |
| |
| char SVGFilterPrimitiveStandardAttributesIdentifierIdentifier[] = "SVGFilterPrimitiveStandardAttributesIdentifier"; |
| |
| SVGFilterPrimitiveStandardAttributes::SVGFilterPrimitiveStandardAttributes(const QualifiedName& tagName, Document* doc) |
| : SVGStyledElement(tagName, doc) |
| , m_x(this, SVGNames::xAttr, LengthModeWidth, "0%") |
| , m_y(this, SVGNames::yAttr, LengthModeHeight, "0%") |
| , m_width(this, SVGNames::widthAttr, LengthModeWidth, "100%") |
| , m_height(this, SVGNames::heightAttr, LengthModeHeight, "100%") |
| , m_result(this, SVGNames::resultAttr) |
| { |
| // Spec: If the x/y attribute is not specified, the effect is as if a value of "0%" were specified. |
| // Spec: If the width/height attribute is not specified, the effect is as if a value of "100%" were specified. |
| } |
| |
| SVGFilterPrimitiveStandardAttributes::~SVGFilterPrimitiveStandardAttributes() |
| { |
| } |
| |
| void SVGFilterPrimitiveStandardAttributes::parseMappedAttribute(MappedAttribute* attr) |
| { |
| const AtomicString& value = attr->value(); |
| if (attr->name() == SVGNames::xAttr) |
| setXBaseValue(SVGLength(LengthModeWidth, value)); |
| else if (attr->name() == SVGNames::yAttr) |
| setYBaseValue(SVGLength(LengthModeHeight, value)); |
| else if (attr->name() == SVGNames::widthAttr) |
| setWidthBaseValue(SVGLength(LengthModeWidth, value)); |
| else if (attr->name() == SVGNames::heightAttr) |
| setHeightBaseValue(SVGLength(LengthModeHeight, value)); |
| else if (attr->name() == SVGNames::resultAttr) |
| setResultBaseValue(value); |
| else |
| return SVGStyledElement::parseMappedAttribute(attr); |
| } |
| |
| void SVGFilterPrimitiveStandardAttributes::setStandardAttributes(SVGResourceFilter* resourceFilter, FilterEffect* filterEffect) const |
| { |
| ASSERT(filterEffect); |
| if (!filterEffect) |
| return; |
| |
| ASSERT(resourceFilter); |
| |
| float _x, _y, _width, _height; |
| |
| if (this->hasAttribute(SVGNames::xAttr)) |
| filterEffect->setHasX(true); |
| if (this->hasAttribute(SVGNames::yAttr)) |
| filterEffect->setHasY(true); |
| if (this->hasAttribute(SVGNames::widthAttr)) |
| filterEffect->setHasWidth(true); |
| if (this->hasAttribute(SVGNames::heightAttr)) |
| filterEffect->setHasHeight(true); |
| |
| if (resourceFilter->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(this); |
| } |
| |
| if (y().unitType() == LengthTypePercentage) { |
| filterEffect->setYBoundingBoxMode(true); |
| _y = y().valueAsPercentage(); |
| } else { |
| filterEffect->setYBoundingBoxMode(false); |
| _y = y().value(this); |
| } |
| |
| if (width().unitType() == LengthTypePercentage) { |
| filterEffect->setWidthBoundingBoxMode(true); |
| _width = width().valueAsPercentage(); |
| } else { |
| filterEffect->setWidthBoundingBoxMode(false); |
| _width = width().value(this); |
| } |
| |
| if (height().unitType() == LengthTypePercentage) { |
| filterEffect->setHeightBoundingBoxMode(true); |
| _height = height().valueAsPercentage(); |
| } else { |
| filterEffect->setHeightBoundingBoxMode(false); |
| _height = height().value(this); |
| } |
| } |
| |
| filterEffect->setSubRegion(FloatRect(_x, _y, _width, _height)); |
| } |
| |
| } |
| |
| #endif // ENABLE(SVG) |