| /* |
| 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 <kdom/core/Attr.h> |
| |
| #include "ksvg.h" |
| #include "SVGNames.h" |
| #include "SVGHelper.h" |
| #include "SVGRect.h" |
| #include "SVGPoint.h" |
| #include "SVGSVGElement.h" |
| #include "SVGPathSegArc.h" |
| #include "SVGPathSegList.h" |
| #include "SVGPathElement.h" |
| #include "SVGPathSegLineto.h" |
| #include "SVGPathSegMoveto.h" |
| #include "SVGAnimatedNumber.h" |
| #include "SVGPathSegClosePath.h" |
| #include "SVGPathSegCurvetoCubic.h" |
| #include "SVGPathSegLinetoVertical.h" |
| #include "SVGPathSegLinetoHorizontal.h" |
| #include "SVGPathSegCurvetoQuadratic.h" |
| #include "SVGPathSegCurvetoCubicSmooth.h" |
| #include "SVGPathSegCurvetoQuadraticSmooth.h" |
| |
| #include <kcanvas/KCanvas.h> |
| #include <kcanvas/KCanvasCreator.h> |
| #include <kcanvas/device/KRenderingDevice.h> |
| |
| namespace WebCore { |
| |
| SVGPathElement::SVGPathElement(const QualifiedName& tagName, Document *doc) |
| : SVGStyledTransformableElement(tagName, doc), SVGTests(), SVGLangSpace(), SVGExternalResourcesRequired(), SVGPathParser() |
| { |
| } |
| |
| SVGPathElement::~SVGPathElement() |
| { |
| } |
| |
| SVGAnimatedNumber *SVGPathElement::pathLength() const |
| { |
| if(!m_pathLength) |
| { |
| lazy_create<SVGAnimatedNumber>(m_pathLength, this); |
| m_pathLength->setBaseVal(0); |
| } |
| |
| return m_pathLength.get(); |
| } |
| |
| double SVGPathElement::getTotalLength() |
| { |
| return 0; |
| } |
| |
| SVGPoint *SVGPathElement::getPointAtLength(double /*distance*/) |
| { |
| SVGPoint *ret = SVGSVGElement::createSVGPoint(); |
| /*double totalDistance = getTotalLength(); |
| T2P::BezierPath *path = ownerDoc()->canvas()->toBezierPath(m_item); |
| if(path) |
| { |
| T2P::Point p; |
| path->pointTangentNormalAt(distance / totalDistance, &p); |
| ret->setX(p.x()); |
| ret->setY(p.y()); |
| }*/ |
| |
| return ret; |
| } |
| |
| unsigned long SVGPathElement::getPathSegAtLength(double) |
| { |
| return 0; |
| } |
| |
| SVGPathSegClosePath *SVGPathElement::createSVGPathSegClosePath() |
| { |
| return new SVGPathSegClosePath(); |
| } |
| |
| SVGPathSegMovetoAbs *SVGPathElement::createSVGPathSegMovetoAbs(double x, double y, const SVGStyledElement *context) |
| { |
| SVGPathSegMovetoAbs *temp = new SVGPathSegMovetoAbs(context); |
| temp->setX(x); |
| temp->setY(y); |
| return temp; |
| } |
| |
| SVGPathSegMovetoRel *SVGPathElement::createSVGPathSegMovetoRel(double x, double y, const SVGStyledElement *context) |
| { |
| SVGPathSegMovetoRel *temp = new SVGPathSegMovetoRel(context); |
| temp->setX(x); |
| temp->setY(y); |
| return temp; |
| } |
| |
| SVGPathSegLinetoAbs *SVGPathElement::createSVGPathSegLinetoAbs(double x, double y, const SVGStyledElement *context) |
| { |
| SVGPathSegLinetoAbs *temp = new SVGPathSegLinetoAbs(context); |
| temp->setX(x); |
| temp->setY(y); |
| return temp; |
| } |
| |
| SVGPathSegLinetoRel *SVGPathElement::createSVGPathSegLinetoRel(double x, double y, const SVGStyledElement *context) |
| { |
| SVGPathSegLinetoRel *temp = new SVGPathSegLinetoRel(context); |
| temp->setX(x); |
| temp->setY(y); |
| return temp; |
| } |
| |
| SVGPathSegCurvetoCubicAbs *SVGPathElement::createSVGPathSegCurvetoCubicAbs(double x, double y, double x1, double y1, double x2, double y2, const SVGStyledElement *context) |
| { |
| SVGPathSegCurvetoCubicAbs *temp = new SVGPathSegCurvetoCubicAbs(context); |
| temp->setX(x); |
| temp->setY(y); |
| temp->setX1(x1); |
| temp->setY1(y1); |
| temp->setX2(x2); |
| temp->setY2(y2); |
| return temp; |
| } |
| |
| SVGPathSegCurvetoCubicRel *SVGPathElement::createSVGPathSegCurvetoCubicRel(double x, double y, double x1, double y1, double x2, double y2, const SVGStyledElement *context) |
| { |
| SVGPathSegCurvetoCubicRel *temp = new SVGPathSegCurvetoCubicRel(context); |
| temp->setX(x); |
| temp->setY(y); |
| temp->setX1(x1); |
| temp->setY1(y1); |
| temp->setX2(x2); |
| temp->setY2(y2); |
| return temp; |
| } |
| |
| SVGPathSegCurvetoQuadraticAbs *SVGPathElement::createSVGPathSegCurvetoQuadraticAbs(double x, double y, double x1, double y1, const SVGStyledElement *context) |
| { |
| SVGPathSegCurvetoQuadraticAbs *temp = new SVGPathSegCurvetoQuadraticAbs(context); |
| temp->setX(x); |
| temp->setY(y); |
| temp->setX1(x1); |
| temp->setY1(y1); |
| return temp; |
| } |
| |
| SVGPathSegCurvetoQuadraticRel *SVGPathElement::createSVGPathSegCurvetoQuadraticRel(double x, double y, double x1, double y1, const SVGStyledElement *context) |
| { |
| SVGPathSegCurvetoQuadraticRel *temp = new SVGPathSegCurvetoQuadraticRel(context); |
| temp->setX(x); |
| temp->setY(y); |
| temp->setX1(x1); |
| temp->setY1(y1); |
| return temp; |
| } |
| |
| SVGPathSegArcAbs *SVGPathElement::createSVGPathSegArcAbs(double x, double y, double r1, double r2, double angle, bool largeArcFlag, bool sweepFlag, const SVGStyledElement *context) |
| { |
| SVGPathSegArcAbs *temp = new SVGPathSegArcAbs(context); |
| temp->setX(x); |
| temp->setY(y); |
| temp->setR1(r1); |
| temp->setR2(r2); |
| temp->setAngle(angle); |
| temp->setLargeArcFlag(largeArcFlag); |
| temp->setSweepFlag(sweepFlag); |
| return temp; |
| } |
| |
| SVGPathSegArcRel *SVGPathElement::createSVGPathSegArcRel(double x, double y, double r1, double r2, double angle, bool largeArcFlag, bool sweepFlag, const SVGStyledElement *context) |
| { |
| SVGPathSegArcRel *temp = new SVGPathSegArcRel(context); |
| temp->setX(x); |
| temp->setY(y); |
| temp->setR1(r1); |
| temp->setR2(r2); |
| temp->setAngle(angle); |
| temp->setLargeArcFlag(largeArcFlag); |
| temp->setSweepFlag(sweepFlag); |
| return temp; |
| } |
| |
| SVGPathSegLinetoHorizontalAbs *SVGPathElement::createSVGPathSegLinetoHorizontalAbs(double x, const SVGStyledElement *context) |
| { |
| SVGPathSegLinetoHorizontalAbs *temp = new SVGPathSegLinetoHorizontalAbs(context); |
| temp->setX(x); |
| return temp; |
| } |
| |
| SVGPathSegLinetoHorizontalRel *SVGPathElement::createSVGPathSegLinetoHorizontalRel(double x, const SVGStyledElement *context) |
| { |
| SVGPathSegLinetoHorizontalRel *temp = new SVGPathSegLinetoHorizontalRel(context); |
| temp->setX(x); |
| return temp; |
| } |
| |
| SVGPathSegLinetoVerticalAbs *SVGPathElement::createSVGPathSegLinetoVerticalAbs(double y, const SVGStyledElement *context) |
| { |
| SVGPathSegLinetoVerticalAbs *temp = new SVGPathSegLinetoVerticalAbs(context); |
| temp->setY(y); |
| return temp; |
| } |
| |
| SVGPathSegLinetoVerticalRel *SVGPathElement::createSVGPathSegLinetoVerticalRel(double y, const SVGStyledElement *context) |
| { |
| SVGPathSegLinetoVerticalRel *temp = new SVGPathSegLinetoVerticalRel(context); |
| temp->setY(y); |
| return temp; |
| } |
| |
| SVGPathSegCurvetoCubicSmoothAbs *SVGPathElement::createSVGPathSegCurvetoCubicSmoothAbs(double x, double y, double x2, double y2, const SVGStyledElement *context) |
| { |
| SVGPathSegCurvetoCubicSmoothAbs *temp = new SVGPathSegCurvetoCubicSmoothAbs(context); |
| temp->setX(x); |
| temp->setY(y); |
| temp->setX2(x2); |
| temp->setY2(y2); |
| return temp; |
| } |
| |
| SVGPathSegCurvetoCubicSmoothRel *SVGPathElement::createSVGPathSegCurvetoCubicSmoothRel(double x, double y, double x2, double y2, const SVGStyledElement *context) |
| { |
| SVGPathSegCurvetoCubicSmoothRel *temp = new SVGPathSegCurvetoCubicSmoothRel(context); |
| temp->setX(x); |
| temp->setY(y); |
| temp->setX2(x2); |
| temp->setY2(y2); |
| return temp; |
| } |
| |
| SVGPathSegCurvetoQuadraticSmoothAbs *SVGPathElement::createSVGPathSegCurvetoQuadraticSmoothAbs(double x, double y, const SVGStyledElement *context) |
| { |
| SVGPathSegCurvetoQuadraticSmoothAbs *temp = new SVGPathSegCurvetoQuadraticSmoothAbs(context); |
| temp->setX(x); |
| temp->setY(y); |
| return temp; |
| } |
| |
| SVGPathSegCurvetoQuadraticSmoothRel *SVGPathElement::createSVGPathSegCurvetoQuadraticSmoothRel(double x, double y, const SVGStyledElement *context) |
| { |
| SVGPathSegCurvetoQuadraticSmoothRel *temp = new SVGPathSegCurvetoQuadraticSmoothRel(context); |
| temp->setX(x); |
| temp->setY(y); |
| return temp; |
| } |
| |
| void SVGPathElement::svgMoveTo(double x1, double y1, bool, bool abs) |
| { |
| if(abs) |
| pathSegList()->appendItem(createSVGPathSegMovetoAbs(x1, y1, this)); |
| else |
| pathSegList()->appendItem(createSVGPathSegMovetoRel(x1, y1, this)); |
| } |
| |
| void SVGPathElement::svgLineTo(double x1, double y1, bool abs) |
| { |
| if(abs) |
| pathSegList()->appendItem(createSVGPathSegLinetoAbs(x1, y1, this)); |
| else |
| pathSegList()->appendItem(createSVGPathSegLinetoRel(x1, y1, this)); |
| } |
| |
| void SVGPathElement::svgLineToHorizontal(double x, bool abs) |
| { |
| if(abs) |
| pathSegList()->appendItem(createSVGPathSegLinetoHorizontalAbs(x, this)); |
| else |
| pathSegList()->appendItem(createSVGPathSegLinetoHorizontalRel(x, this)); |
| } |
| |
| void SVGPathElement::svgLineToVertical(double y, bool abs) |
| { |
| if(abs) |
| pathSegList()->appendItem(createSVGPathSegLinetoVerticalAbs(y, this)); |
| else |
| pathSegList()->appendItem(createSVGPathSegLinetoVerticalRel(y, this)); |
| } |
| |
| void SVGPathElement::svgCurveToCubic(double x1, double y1, double x2, double y2, double x, double y, bool abs) |
| { |
| if(abs) |
| pathSegList()->appendItem(createSVGPathSegCurvetoCubicAbs(x, y, x1, y1, x2, y2, this)); |
| else |
| pathSegList()->appendItem(createSVGPathSegCurvetoCubicRel(x, y, x1, y1, x2, y2, this)); |
| } |
| |
| void SVGPathElement::svgCurveToCubicSmooth(double x, double y, double x2, double y2, bool abs) |
| { |
| if(abs) |
| pathSegList()->appendItem(createSVGPathSegCurvetoCubicSmoothAbs(x2, y2, x, y, this)); |
| else |
| pathSegList()->appendItem(createSVGPathSegCurvetoCubicSmoothRel(x2, y2, x, y, this)); |
| } |
| |
| void SVGPathElement::svgCurveToQuadratic(double x, double y, double x1, double y1, bool abs) |
| { |
| if(abs) |
| pathSegList()->appendItem(createSVGPathSegCurvetoQuadraticAbs(x1, y1, x, y, this)); |
| else |
| pathSegList()->appendItem(createSVGPathSegCurvetoQuadraticRel(x1, y1, x, y, this)); |
| } |
| |
| void SVGPathElement::svgCurveToQuadraticSmooth(double x, double y, bool abs) |
| { |
| if(abs) |
| pathSegList()->appendItem(createSVGPathSegCurvetoQuadraticSmoothAbs(x, y, this)); |
| else |
| pathSegList()->appendItem(createSVGPathSegCurvetoQuadraticSmoothRel(x, y, this)); |
| } |
| |
| void SVGPathElement::svgArcTo(double x, double y, double r1, double r2, double angle, bool largeArcFlag, bool sweepFlag, bool abs) |
| { |
| if(abs) |
| pathSegList()->appendItem(createSVGPathSegArcAbs(x, y, r1, r2, angle, largeArcFlag, sweepFlag, this)); |
| else |
| pathSegList()->appendItem(createSVGPathSegArcRel(x, y, r1, r2, angle, largeArcFlag, sweepFlag, this)); |
| } |
| |
| void SVGPathElement::svgClosePath() |
| { |
| pathSegList()->appendItem(createSVGPathSegClosePath()); |
| } |
| |
| void SVGPathElement::parseMappedAttribute(MappedAttribute *attr) |
| { |
| if (attr->name() == SVGNames::dAttr) { |
| pathSegList()->clear(); |
| parseSVG(attr->value().deprecatedString(), true); |
| } else { |
| if(SVGTests::parseMappedAttribute(attr)) return; |
| if(SVGLangSpace::parseMappedAttribute(attr)) return; |
| if(SVGExternalResourcesRequired::parseMappedAttribute(attr)) return; |
| SVGStyledTransformableElement::parseMappedAttribute(attr); |
| } |
| } |
| |
| SVGPathSegList *SVGPathElement::pathSegList() const |
| { |
| return lazy_create<SVGPathSegList>(m_pathSegList, this); |
| } |
| |
| SVGPathSegList *SVGPathElement::normalizedPathSegList() const |
| { |
| // TODO |
| return 0; |
| } |
| |
| SVGPathSegList *SVGPathElement::animatedPathSegList() const |
| { |
| // TODO |
| return 0; |
| } |
| |
| SVGPathSegList *SVGPathElement::animatedNormalizedPathSegList() const |
| { |
| // TODO |
| return 0; |
| } |
| |
| // FIXME: This probably belongs on SVGPathSegList instead. -- ecs 12/5/05 |
| KCanvasPath* SVGPathElement::toPathData() const |
| { |
| // TODO : also support non-normalized mode, at least in dom structure |
| int len = pathSegList()->numberOfItems(); |
| if(len < 1) |
| return 0; |
| |
| KCanvasPath* pathData = renderingDevice()->createPath(); |
| for(int i = 0; i < len; ++i) |
| { |
| SVGPathSeg *p = pathSegList()->getItem(i); |
| switch(p->pathSegType()) |
| { |
| case PATHSEG_MOVETO_ABS: |
| { |
| SVGPathSegMovetoAbs *moveTo = static_cast<SVGPathSegMovetoAbs *>(p); |
| pathData->moveTo(moveTo->x(), moveTo->y()); |
| break; |
| } |
| case PATHSEG_LINETO_ABS: |
| { |
| SVGPathSegLinetoAbs *lineTo = static_cast<SVGPathSegLinetoAbs *>(p); |
| pathData->lineTo(lineTo->x(), lineTo->y()); |
| break; |
| } |
| case PATHSEG_CURVETO_CUBIC_ABS: |
| { |
| SVGPathSegCurvetoCubicAbs *curveTo = static_cast<SVGPathSegCurvetoCubicAbs *>(p); |
| pathData->curveTo(curveTo->x1(), curveTo->y1(), |
| curveTo->x2(), curveTo->y2(), |
| curveTo->x(), curveTo->y()); |
| break; |
| } |
| case PATHSEG_CLOSEPATH: |
| pathData->closeSubpath(); |
| default: |
| break; |
| } |
| } |
| |
| return pathData; |
| } |
| |
| } |
| |
| // vim:ts=4:noet |
| #endif // SVG_SUPPORT |
| |