| /* |
| Copyright (C) 2004, 2005 Nikolas Zimmermann <wildfox@kde.org> |
| 2004, 2005 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., 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. |
| */ |
| |
| #include "config.h" |
| #if SVG_SUPPORT |
| #include "Attr.h" |
| |
| #include "ksvg.h" |
| #include "SVGNames.h" |
| #include "SVGHelper.h" |
| #include "SVGMatrix.h" |
| #include "SVGTransform.h" |
| #include "SVGStopElement.h" |
| #include "SVGTransformList.h" |
| #include "SVGAnimatedLength.h" |
| #include "SVGAnimatedNumber.h" |
| #include "SVGAnimatedString.h" |
| #include "SVGAnimatedEnumeration.h" |
| #include "SVGRadialGradientElement.h" |
| #include "SVGAnimatedTransformList.h" |
| |
| #include <kcanvas/KCanvasMatrix.h> |
| #include <kcanvas/device/KRenderingDevice.h> |
| #include <kcanvas/device/KRenderingPaintServerGradient.h> |
| |
| namespace WebCore { |
| |
| SVGRadialGradientElement::SVGRadialGradientElement(const QualifiedName& tagName, Document *doc) : SVGGradientElement(tagName, doc) |
| { |
| } |
| |
| SVGRadialGradientElement::~SVGRadialGradientElement() |
| { |
| } |
| |
| SVGAnimatedLength *SVGRadialGradientElement::cx() const |
| { |
| // Spec: If the attribute is not specified, the effect is as if a value of "50%" were specified. |
| if (!m_cx) { |
| lazy_create<SVGAnimatedLength>(m_cx, this, LM_WIDTH, viewportElement()); |
| m_cx->baseVal()->setValue(0.5); |
| } |
| |
| return m_cx.get(); |
| } |
| |
| SVGAnimatedLength *SVGRadialGradientElement::cy() const |
| { |
| // Spec: If the attribute is not specified, the effect is as if a value of "50%" were specified. |
| if (!m_cy) { |
| lazy_create<SVGAnimatedLength>(m_cy, this, LM_HEIGHT, viewportElement()); |
| m_cy->baseVal()->setValue(0.5); |
| } |
| |
| return m_cy.get(); |
| } |
| |
| SVGAnimatedLength *SVGRadialGradientElement::fx() const |
| { |
| return lazy_create<SVGAnimatedLength>(m_fx, this, LM_WIDTH, viewportElement()); |
| } |
| |
| SVGAnimatedLength *SVGRadialGradientElement::fy() const |
| { |
| return lazy_create<SVGAnimatedLength>(m_fy, this, LM_HEIGHT, viewportElement()); |
| } |
| |
| SVGAnimatedLength *SVGRadialGradientElement::r() const |
| { |
| // Spec: If the attribute is not specified, the effect is as if a value of "50%" were specified. |
| if (!m_r) { |
| lazy_create<SVGAnimatedLength>(m_r, this, LM_OTHER, viewportElement()); |
| m_r->baseVal()->setValue(0.5); |
| } |
| |
| return m_r.get(); |
| } |
| |
| void SVGRadialGradientElement::parseMappedAttribute(MappedAttribute *attr) |
| { |
| const AtomicString& value = attr->value(); |
| if (attr->name() == SVGNames::cxAttr) |
| cx()->baseVal()->setValueAsString(value.impl()); |
| else if (attr->name() == SVGNames::cyAttr) |
| cy()->baseVal()->setValueAsString(value.impl()); |
| else if (attr->name() == SVGNames::rAttr) |
| r()->baseVal()->setValueAsString(value.impl()); |
| else if (attr->name() == SVGNames::fxAttr) |
| fx()->baseVal()->setValueAsString(value.impl()); |
| else if (attr->name() == SVGNames::fyAttr) |
| fy()->baseVal()->setValueAsString(value.impl()); |
| else |
| SVGGradientElement::parseMappedAttribute(attr); |
| } |
| |
| void SVGRadialGradientElement::buildGradient(KRenderingPaintServerGradient *_grad) const |
| { |
| rebuildStops(); // rebuild stops before possibly importing them from any referenced gradient. |
| |
| bool bbox = (gradientUnits()->baseVal() == SVG_UNIT_TYPE_OBJECTBOUNDINGBOX); |
| bool fxSet = hasAttribute(SVGNames::fxAttr); |
| bool fySet = hasAttribute(SVGNames::fyAttr); |
| cx()->baseVal()->setBboxRelative(bbox); |
| cy()->baseVal()->setBboxRelative(bbox); |
| r()->baseVal()->setBboxRelative(bbox); |
| fx()->baseVal()->setBboxRelative(bbox); |
| fy()->baseVal()->setBboxRelative(bbox); |
| float _cx = cx()->baseVal()->value(), _cy = cy()->baseVal()->value(); |
| float _r = r()->baseVal()->value(); |
| float _fx = fxSet ? fx()->baseVal()->value() : _cx; |
| float _fy = fySet ? fy()->baseVal()->value() : _cy; |
| |
| KRenderingPaintServerRadialGradient *grad = static_cast<KRenderingPaintServerRadialGradient *>(_grad); |
| KCanvasMatrix mat; |
| if(gradientTransform()->baseVal()->numberOfItems() > 0) |
| mat = KCanvasMatrix(gradientTransform()->baseVal()->consolidate()->matrix()->qmatrix()); |
| |
| DeprecatedString ref = String(href()->baseVal()).deprecatedString(); |
| KRenderingPaintServer *pserver = getPaintServerById(document(), ref.mid(1)); |
| |
| if(pserver && (pserver->type() == PS_RADIAL_GRADIENT || pserver->type() == PS_LINEAR_GRADIENT)) |
| { |
| bool isRadial = pserver->type() == PS_RADIAL_GRADIENT; |
| KRenderingPaintServerGradient *gradient = static_cast<KRenderingPaintServerGradient *>(pserver); |
| |
| if(!hasAttribute(SVGNames::gradientUnitsAttr)) |
| bbox = gradient->boundingBoxMode(); |
| |
| if(isRadial) |
| { |
| KRenderingPaintServerRadialGradient *radial = static_cast<KRenderingPaintServerRadialGradient *>(pserver); |
| if(!hasAttribute(SVGNames::cxAttr)) |
| _cx = radial->gradientCenter().x(); |
| else if(bbox) |
| _cx *= 100.; |
| if(!hasAttribute(SVGNames::cyAttr)) |
| _cy = radial->gradientCenter().y(); |
| else if(bbox) |
| _cy *= 100.; |
| |
| if(!fxSet) |
| _fx = radial->gradientFocal().x(); |
| else if(bbox) |
| _fx *= 100.; |
| if(!fySet) |
| _fy = radial->gradientFocal().y(); |
| else if(bbox) |
| _fy *= 100.; |
| |
| if(!hasAttribute(SVGNames::rAttr)) |
| _r = radial->gradientRadius(); |
| else if(bbox) |
| _r *= 100.; |
| } |
| else if(bbox) |
| { |
| _cx *= 100.0; |
| _cy *= 100.0; |
| _fx *= 100.0; |
| _fy *= 100.0; |
| _r *= 100.0; |
| } |
| |
| if (!hasAttribute(SVGNames::gradientTransformAttr)) |
| mat = gradient->gradientTransform(); |
| |
| // Inherit color stops if empty |
| if (grad->gradientStops().isEmpty()) |
| grad->setGradientStops(gradient); |
| |
| if (!hasAttribute(SVGNames::spreadMethodAttr)) |
| grad->setGradientSpreadMethod(gradient->spreadMethod()); |
| } |
| else |
| { |
| if(spreadMethod()->baseVal() == SVG_SPREADMETHOD_REFLECT) |
| grad->setGradientSpreadMethod(SPREADMETHOD_REFLECT); |
| else if(spreadMethod()->baseVal() == SVG_SPREADMETHOD_REPEAT) |
| grad->setGradientSpreadMethod(SPREADMETHOD_REPEAT); |
| else |
| grad->setGradientSpreadMethod(SPREADMETHOD_PAD); |
| |
| if(bbox) |
| { |
| _cx *= 100.0; |
| _cy *= 100.0; |
| _fx *= 100.0; |
| _fy *= 100.0; |
| _r *= 100.0; |
| } |
| } |
| |
| grad->setGradientTransform(mat); |
| grad->setBoundingBoxMode(bbox); |
| grad->setGradientCenter(FloatPoint(_cx, _cy)); |
| grad->setGradientFocal(FloatPoint(_fx, _fy)); |
| grad->setGradientRadius(_r); |
| } |
| |
| } |
| |
| // vim:ts=4:noet |
| #endif // SVG_SUPPORT |
| |
