| /* |
| Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org> |
| Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org> |
| Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com> |
| |
| 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(SVG_FILTERS) |
| #include "SVGFilterElement.h" |
| |
| #include "Attr.h" |
| #include "SVGResourceFilter.h" |
| #include "SVGFilterPrimitiveStandardAttributes.h" |
| #include "SVGLength.h" |
| #include "SVGNames.h" |
| #include "SVGUnitTypes.h" |
| |
| namespace WebCore { |
| |
| SVGFilterElement::SVGFilterElement(const QualifiedName& tagName, Document* doc) |
| : SVGStyledElement(tagName, doc) |
| , SVGURIReference() |
| , SVGLangSpace() |
| , SVGExternalResourcesRequired() |
| , m_filterUnits(SVGUnitTypes::SVG_UNIT_TYPE_OBJECTBOUNDINGBOX) |
| , m_primitiveUnits(SVGUnitTypes::SVG_UNIT_TYPE_USERSPACEONUSE) |
| , m_x(this, LengthModeWidth) |
| , m_y(this, LengthModeHeight) |
| , m_width(this, LengthModeWidth) |
| , m_height(this, LengthModeHeight) |
| , m_filterResX(0) |
| , m_filterResY(0) |
| { |
| // Spec: If the attribute is not specified, the effect is as if a value of "-10%" were specified. |
| setXBaseValue(SVGLength(this, LengthModeWidth, "-10%")); |
| setYBaseValue(SVGLength(this, LengthModeHeight, "-10%")); |
| |
| // Spec: If the attribute is not specified, the effect is as if a value of "120%" were specified. |
| setWidthBaseValue(SVGLength(this, LengthModeWidth, "120%")); |
| setHeightBaseValue(SVGLength(this, LengthModeHeight, "120%")); |
| } |
| |
| SVGFilterElement::~SVGFilterElement() |
| { |
| } |
| |
| ANIMATED_PROPERTY_DEFINITIONS(SVGFilterElement, int, Enumeration, enumeration, FilterUnits, filterUnits, SVGNames::filterUnitsAttr, m_filterUnits) |
| ANIMATED_PROPERTY_DEFINITIONS(SVGFilterElement, int, Enumeration, enumeration, PrimitiveUnits, primitiveUnits, SVGNames::primitiveUnitsAttr, m_primitiveUnits) |
| ANIMATED_PROPERTY_DEFINITIONS(SVGFilterElement, SVGLength, Length, length, X, x, SVGNames::xAttr, m_x) |
| ANIMATED_PROPERTY_DEFINITIONS(SVGFilterElement, SVGLength, Length, length, Y, y, SVGNames::yAttr, m_y) |
| ANIMATED_PROPERTY_DEFINITIONS(SVGFilterElement, SVGLength, Length, length, Width, width, SVGNames::widthAttr, m_width) |
| ANIMATED_PROPERTY_DEFINITIONS(SVGFilterElement, SVGLength, Length, length, Height, height, SVGNames::heightAttr, m_height) |
| ANIMATED_PROPERTY_DEFINITIONS(SVGFilterElement, long, Integer, integer, FilterResX, filterResX, "filterResX", m_filterResX) |
| ANIMATED_PROPERTY_DEFINITIONS(SVGFilterElement, long, Integer, integer, FilterResY, filterResY, "filterResY", m_filterResY) |
| |
| void SVGFilterElement::setFilterRes(unsigned long, unsigned long) const |
| { |
| } |
| |
| void SVGFilterElement::parseMappedAttribute(MappedAttribute* attr) |
| { |
| const String& value = attr->value(); |
| if (attr->name() == SVGNames::filterUnitsAttr) { |
| if (value == "userSpaceOnUse") |
| setFilterUnitsBaseValue(SVGUnitTypes::SVG_UNIT_TYPE_USERSPACEONUSE); |
| else if (value == "objectBoundingBox") |
| setFilterUnitsBaseValue(SVGUnitTypes::SVG_UNIT_TYPE_OBJECTBOUNDINGBOX); |
| } else if (attr->name() == SVGNames::primitiveUnitsAttr) { |
| if (value == "userSpaceOnUse") |
| setPrimitiveUnitsBaseValue(SVGUnitTypes::SVG_UNIT_TYPE_USERSPACEONUSE); |
| else if (value == "objectBoundingBox") |
| setPrimitiveUnitsBaseValue(SVGUnitTypes::SVG_UNIT_TYPE_OBJECTBOUNDINGBOX); |
| } else 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 (SVGURIReference::parseMappedAttribute(attr)) return; |
| if (SVGLangSpace::parseMappedAttribute(attr)) return; |
| if (SVGExternalResourcesRequired::parseMappedAttribute(attr)) return; |
| |
| SVGStyledElement::parseMappedAttribute(attr); |
| } |
| } |
| |
| SVGResource* SVGFilterElement::canvasResource() |
| { |
| if (!attached()) |
| return 0; |
| |
| if (!m_filter) |
| m_filter = new SVGResourceFilter(); |
| |
| bool filterBBoxMode = filterUnits() == SVGUnitTypes::SVG_UNIT_TYPE_OBJECTBOUNDINGBOX; |
| m_filter->setFilterBoundingBoxMode(filterBBoxMode); |
| |
| float _x, _y, _width, _height; |
| |
| if (filterBBoxMode) { |
| _x = x().valueAsPercentage(); |
| _y = y().valueAsPercentage(); |
| _width = width().valueAsPercentage(); |
| _height = height().valueAsPercentage(); |
| } else { |
| m_filter->setXBoundingBoxMode(x().unitType() == LengthTypePercentage); |
| m_filter->setYBoundingBoxMode(y().unitType() == LengthTypePercentage); |
| |
| _x = x().value(); |
| _y = y().value(); |
| _width = width().value(); |
| _height = height().value(); |
| } |
| |
| m_filter->setFilterRect(FloatRect(_x, _y, _width, _height)); |
| |
| bool primitiveBBoxMode = primitiveUnits() == SVGUnitTypes::SVG_UNIT_TYPE_OBJECTBOUNDINGBOX; |
| m_filter->setEffectBoundingBoxMode(primitiveBBoxMode); |
| |
| // TODO : use switch/case instead? |
| m_filter->clearEffects(); |
| for (Node* n = firstChild(); n != 0; n = n->nextSibling()) { |
| SVGElement* element = 0; |
| if (n->isSVGElement()) |
| element = static_cast<SVGElement*>(n); |
| if (element && element->isFilterEffect()) { |
| SVGFilterPrimitiveStandardAttributes* filterAttributes = static_cast<SVGFilterPrimitiveStandardAttributes*>(element); |
| SVGFilterEffect* filterEffect = filterAttributes->filterEffect(m_filter.get()); |
| if (!filterEffect) |
| continue; |
| |
| m_filter->addFilterEffect(filterEffect); |
| } |
| } |
| |
| return m_filter.get(); |
| } |
| |
| } |
| |
| #endif // ENABLE(SVG) |
| |
| // vim:ts=4:noet |