| /* |
| Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org> |
| 2004, 2005, 2006 Rob Buis <buis@kde.org> |
| |
| 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 "SVGComponentTransferFunctionElement.h" |
| |
| #include "Attribute.h" |
| #include "SVGFEComponentTransferElement.h" |
| #include "SVGNames.h" |
| #include "SVGNumberList.h" |
| |
| namespace WebCore { |
| |
| SVGComponentTransferFunctionElement::SVGComponentTransferFunctionElement(const QualifiedName& tagName, Document* doc) |
| : SVGElement(tagName, doc) |
| , m_type(FECOMPONENTTRANSFER_TYPE_UNKNOWN) |
| , m_tableValues(SVGNumberList::create(SVGNames::tableValuesAttr)) |
| , m_slope(1.0f) |
| , m_amplitude(1.0f) |
| , m_exponent(1.0f) |
| { |
| } |
| |
| SVGComponentTransferFunctionElement::~SVGComponentTransferFunctionElement() |
| { |
| } |
| |
| void SVGComponentTransferFunctionElement::parseMappedAttribute(Attribute* attr) |
| { |
| const String& value = attr->value(); |
| if (attr->name() == SVGNames::typeAttr) { |
| if (value == "identity") |
| setTypeBaseValue(FECOMPONENTTRANSFER_TYPE_IDENTITY); |
| else if (value == "table") |
| setTypeBaseValue(FECOMPONENTTRANSFER_TYPE_TABLE); |
| else if (value == "discrete") |
| setTypeBaseValue(FECOMPONENTTRANSFER_TYPE_DISCRETE); |
| else if (value == "linear") |
| setTypeBaseValue(FECOMPONENTTRANSFER_TYPE_LINEAR); |
| else if (value == "gamma") |
| setTypeBaseValue(FECOMPONENTTRANSFER_TYPE_GAMMA); |
| } |
| else if (attr->name() == SVGNames::tableValuesAttr) |
| tableValuesBaseValue()->parse(value); |
| else if (attr->name() == SVGNames::slopeAttr) |
| setSlopeBaseValue(value.toFloat()); |
| else if (attr->name() == SVGNames::interceptAttr) |
| setInterceptBaseValue(value.toFloat()); |
| else if (attr->name() == SVGNames::amplitudeAttr) |
| setAmplitudeBaseValue(value.toFloat()); |
| else if (attr->name() == SVGNames::exponentAttr) |
| setExponentBaseValue(value.toFloat()); |
| else if (attr->name() == SVGNames::offsetAttr) |
| setOffsetBaseValue(value.toFloat()); |
| else |
| SVGElement::parseMappedAttribute(attr); |
| } |
| |
| void SVGComponentTransferFunctionElement::synchronizeProperty(const QualifiedName& attrName) |
| { |
| SVGElement::synchronizeProperty(attrName); |
| |
| if (attrName == anyQName()) { |
| synchronizeType(); |
| synchronizeTableValues(); |
| synchronizeSlope(); |
| synchronizeIntercept(); |
| synchronizeAmplitude(); |
| synchronizeExponent(); |
| synchronizeOffset(); |
| return; |
| } |
| |
| if (attrName == SVGNames::typeAttr) |
| synchronizeType(); |
| else if (attrName == SVGNames::tableValuesAttr) |
| synchronizeTableValues(); |
| else if (attrName == SVGNames::slopeAttr) |
| synchronizeSlope(); |
| else if (attrName == SVGNames::interceptAttr) |
| synchronizeIntercept(); |
| else if (attrName == SVGNames::amplitudeAttr) |
| synchronizeAmplitude(); |
| else if (attrName == SVGNames::exponentAttr) |
| synchronizeExponent(); |
| else if (attrName == SVGNames::offsetAttr) |
| synchronizeOffset(); |
| } |
| |
| ComponentTransferFunction SVGComponentTransferFunctionElement::transferFunction() const |
| { |
| ComponentTransferFunction func; |
| func.type = (ComponentTransferType) type(); |
| func.slope = slope(); |
| func.intercept = intercept(); |
| func.amplitude = amplitude(); |
| func.exponent = exponent(); |
| func.offset = offset(); |
| SVGNumberList* numbers = tableValues(); |
| |
| ExceptionCode ec = 0; |
| unsigned int nr = numbers->numberOfItems(); |
| for (unsigned int i = 0; i < nr; i++) |
| func.tableValues.append(numbers->getItem(i, ec)); |
| return func; |
| } |
| |
| } |
| |
| #endif // ENABLE(SVG) |