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Diffstat (limited to 'ksvg/impl/SVGMarkerElementImpl.cc')
| -rw-r--r-- | ksvg/impl/SVGMarkerElementImpl.cc | 424 |
1 files changed, 424 insertions, 0 deletions
diff --git a/ksvg/impl/SVGMarkerElementImpl.cc b/ksvg/impl/SVGMarkerElementImpl.cc new file mode 100644 index 00000000..0fc1d263 --- /dev/null +++ b/ksvg/impl/SVGMarkerElementImpl.cc @@ -0,0 +1,424 @@ +/* + Copyright (C) 2001-2003 KSVG Team + 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 <kdebug.h> + +#include "SVGMarkerElement.h" + +#include "SVGRectImpl.h" +#include "SVGAngleImpl.h" +#include "SVGMatrixImpl.h" +#include "SVGDocumentImpl.h" +#include "SVGTransformImpl.h" +#include "SVGSVGElementImpl.h" +#include "SVGAnimatedRectImpl.h" +#include "SVGMarkerElementImpl.h" +#include "SVGAnimatedAngleImpl.h" +#include "SVGAnimatedLengthImpl.h" +#include "SVGAnimatedEnumerationImpl.h" +#include "SVGPreserveAspectRatioImpl.h" +#include "SVGAnimatedPreserveAspectRatioImpl.h" + +#include "KSVGCanvas.h" + +using namespace KSVG; + +#include "SVGMarkerElementImpl.lut.h" +#include "ksvg_scriptinterpreter.h" +#include "ksvg_bridge.h" +#include "ksvg_ecma.h" +#include "ksvg_cacheimpl.h" + +SVGMarkerElementImpl::SVGMarkerElementImpl(DOM::ElementImpl *impl) : SVGContainerImpl(impl), SVGLangSpaceImpl(), SVGExternalResourcesRequiredImpl(), SVGStylableImpl(this), SVGFitToViewBoxImpl() +{ + KSVG_EMPTY_FLAGS + + m_refX = new SVGAnimatedLengthImpl(); + m_refX->ref(); + + m_refY = new SVGAnimatedLengthImpl(); + m_refY->ref(); + + m_markerUnits = new SVGAnimatedEnumerationImpl(); + m_markerUnits->ref(); + + m_markerWidth = new SVGAnimatedLengthImpl(); + m_markerWidth->ref(); + + m_markerHeight = new SVGAnimatedLengthImpl(); + m_markerHeight->ref(); + + m_orientType = new SVGAnimatedEnumerationImpl(); + m_orientType->ref(); + + m_orientAngle = new SVGAnimatedAngleImpl(); + m_orientAngle->ref(); +} + +SVGMarkerElementImpl::~SVGMarkerElementImpl() +{ + if(m_refX) + m_refX->deref(); + if(m_refY) + m_refY->deref(); + if(m_markerUnits) + m_markerUnits->deref(); + if(m_markerWidth) + m_markerWidth->deref(); + if(m_markerHeight) + m_markerHeight->deref(); + if(m_orientType) + m_orientType->deref(); + if(m_orientAngle) + m_orientAngle->deref(); +} + +SVGAnimatedLengthImpl *SVGMarkerElementImpl::refX() const +{ + return m_refX; +} + +SVGAnimatedLengthImpl *SVGMarkerElementImpl::refY() const +{ + return m_refY; +} + +SVGAnimatedEnumerationImpl *SVGMarkerElementImpl::markerUnits() const +{ + return m_markerUnits; +} + +SVGAnimatedLengthImpl *SVGMarkerElementImpl::markerWidth() const +{ + return m_markerWidth; +} + +SVGAnimatedLengthImpl *SVGMarkerElementImpl::markerHeight() const +{ + return m_markerHeight; +} + +SVGAnimatedEnumerationImpl *SVGMarkerElementImpl::orientType() const +{ + return m_orientType; +} + +SVGAnimatedAngleImpl *SVGMarkerElementImpl::orientAngle() const +{ + return m_orientAngle; +} + +void SVGMarkerElementImpl::setOrientToAuto() +{ + orientType()->setBaseVal(SVG_MARKER_ORIENT_AUTO); +} + +void SVGMarkerElementImpl::setOrientToAngle(SVGAngleImpl *angle) +{ + m_orientAngle->baseVal()->setValue(angle->value()); +} + +void SVGMarkerElementImpl::setAttributes() +{ + SVGElementImpl::setAttributes(); + + // Spec: if not specified, effect is as if a value of "0" were specified + if(KSVG_TOKEN_NOT_PARSED(RefX)) + KSVG_SET_ALT_ATTRIBUTE(RefX, "0") + + // Spec: if not specified, effect is as if a value of "0" were specified + if(KSVG_TOKEN_NOT_PARSED(RefY)) + KSVG_SET_ALT_ATTRIBUTE(RefY, "0") + + // Spec: if not specified, effect is as if a value of "3" were specified + if(KSVG_TOKEN_NOT_PARSED(MarkerWidth)) + KSVG_SET_ALT_ATTRIBUTE(MarkerWidth, "3") + + // Spec: if not specified, effect is as if a value of "3" were specified + if(KSVG_TOKEN_NOT_PARSED(MarkerHeight)) + KSVG_SET_ALT_ATTRIBUTE(MarkerHeight, "3") + + // Spec: if attribute not specified, use strokeWidth + if(KSVG_TOKEN_NOT_PARSED(MarkerUnits)) + KSVG_SET_ALT_ATTRIBUTE(MarkerUnits, "strokeWidth") + + // Spec: if attribute not specified, use angle + if(KSVG_TOKEN_NOT_PARSED(Orient)) + KSVG_SET_ALT_ATTRIBUTE(Orient, "angle") +} + +void SVGMarkerElementImpl::createItem(KSVGCanvas *c) +{ + if(!c) + c = ownerDoc()->canvas(); + + if(!m_item) + { + m_item = c->createCanvasMarker(this); + c->insert(m_item); + } +} + +void SVGMarkerElementImpl::draw(SVGShapeImpl *referencingElement, double x, double y, double lwidth, double angle) +{ + SVGMatrixImpl *mtx = dynamic_cast<SVGLocatableImpl *>(referencingElement)->getScreenCTM(); + + // move to dest + mtx->translate(x, y); + + // scale by linewidth if marker units == strokewidth + if(markerUnits()->baseVal() == SVG_MARKERUNITS_STROKEWIDTH) + mtx->scale(lwidth); + + // select appropriate rotation + if(orientType()->baseVal() == SVG_MARKER_ORIENT_AUTO) + mtx->rotate(angle); + else + mtx->rotate(orientAngle()->baseVal()->value()); + + SVGRectImpl *viewBoxRect = viewBox()->baseVal(); + SVGMatrixImpl *pres = preserveAspectRatio()->baseVal()->getCTM(viewBoxRect->x(), viewBoxRect->y(), + viewBoxRect->width(), viewBoxRect->height(), + 0, 0, markerWidth()->baseVal()->value(), + markerHeight()->baseVal()->value()); + + // viewbox stuff + mtx->multiply(pres); + + // Get the vertex position in viewbox coordinates. The vertex is at (0, 0) in viewport coordinates. + double vertexX, vertexY; + pres->qmatrix().invert().map(0, 0, &vertexX, &vertexY); + + // Translate so that the vertex is at (refX, refY) in viewbox coordinates. + mtx->translate(vertexX - refX()->baseVal()->value(), vertexY - refY()->baseVal()->value()); + + if(getOverflow()) + m_clipShape.clear(); + else + { + KSVGRectangle viewport; + + if(hasAttribute("viewBox")) + { + // Get the viewport ((0, 0) - (markerWidth, markerHeight)) in viewbox coordinates. + double w, h; + pres->qmatrix().invert().map(markerWidth()->baseVal()->value(), markerHeight()->baseVal()->value(), &w, &h); + + viewport = KSVGRectangle(vertexX, vertexY, w - vertexX, h - vertexY); + } + else + viewport = KSVGRectangle(0, 0, markerWidth()->baseVal()->value(), markerHeight()->baseVal()->value()); + + // Transform to screen coordinates. + m_clipShape = mtx->map(viewport); + } + + pres->deref(); + + DOM::Node node = firstChild(); + for(; !node.isNull(); node = node.nextSibling()) + { + SVGElementImpl *element = ownerDoc()->getElementFromHandle(node.handle()); + SVGShapeImpl *shape = dynamic_cast<SVGShapeImpl *>(element); + SVGTestsImpl *tests = dynamic_cast<SVGTestsImpl *>(element); + SVGStylableImpl *style = dynamic_cast<SVGStylableImpl *>(element); + + bool ok = tests ? tests->ok() : true; + if(element && shape && style && ok && style->getVisible() && style->getDisplay()) + { + SVGLocatableImpl *locatable = dynamic_cast<SVGLocatableImpl *>(element); + if(locatable) + locatable->updateCachedScreenCTM(mtx); + + shape->update(UPDATE_TRANSFORM); + shape->setReferenced(true); + shape->draw(); + shape->setReferenced(false); + } + } + + mtx->deref(); +} + +// Ecma stuff + +/* +@namespace KSVG +@begin SVGMarkerElementImpl::s_hashTable 11 + refX SVGMarkerElementImpl::RefX DontDelete|ReadOnly + refY SVGMarkerElementImpl::RefY DontDelete|ReadOnly + markerUnits SVGMarkerElementImpl::MarkerUnits DontDelete|ReadOnly + markerWidth SVGMarkerElementImpl::MarkerWidth DontDelete|ReadOnly + markerHeight SVGMarkerElementImpl::MarkerHeight DontDelete|ReadOnly + orientType SVGMarkerElementImpl::OrientType DontDelete|ReadOnly + orientAngle SVGMarkerElementImpl::OrientAngle DontDelete|ReadOnly + orient SVGMarkerElementImpl::Orient DontDelete|ReadOnly +@end +@namespace KSVG +@begin SVGMarkerElementImplProto::s_hashTable 3 + setOrientToAuto SVGMarkerElementImpl::SetOrientToAuto DontDelete|Function 0 + setOrientToAngle SVGMarkerElementImpl::SetOrientToAngle DontDelete|Function 0 +@end +*/ + +KSVG_IMPLEMENT_PROTOTYPE("SVGMarkerElement", SVGMarkerElementImplProto, SVGMarkerElementImplProtoFunc) + +Value SVGMarkerElementImpl::getValueProperty(ExecState *exec, int token) const +{ + KSVG_CHECK_ATTRIBUTE + + switch(token) + { + case RefX: + if(!attributeMode) + return m_refX->cache(exec); + else + return Number(m_refX->baseVal()->value()); + case RefY: + if(!attributeMode) + return m_refY->cache(exec); + else + return Number(m_refY->baseVal()->value()); + case MarkerUnits: + if(!attributeMode) + return m_markerUnits->cache(exec); + else + return Number(m_markerUnits->baseVal()); + case MarkerWidth: + if(!attributeMode) + return m_markerWidth->cache(exec); + else + return Number(m_markerWidth->baseVal()->value()); + case MarkerHeight: + if(!attributeMode) + return m_markerHeight->cache(exec); + else + return Number(m_markerHeight->baseVal()->value()); + case OrientType: + if(!attributeMode) + return m_orientType->cache(exec); + else + return Number(m_orientType->baseVal()); + case OrientAngle: + if(!attributeMode) + return m_orientAngle->cache(exec); + else + return Number(m_orientAngle->baseVal()->value()); + default: + kdWarning() << "Unhandled token in " << k_funcinfo << " : " << token << endl; + return Undefined(); + } +} + +void SVGMarkerElementImpl::putValueProperty(ExecState *exec, int token, const Value &value, int attr) +{ + // This class has just ReadOnly properties, only with the Internal flag set + // it's allowed to modify those. + if(!(attr & KJS::Internal)) + return; + + switch(token) + { + case RefX: + refX()->baseVal()->setValueAsString(value.toString(exec).qstring()); + break; + case RefY: + refY()->baseVal()->setValueAsString(value.toString(exec).qstring()); + break; + case MarkerWidth: + markerWidth()->baseVal()->setValueAsString(value.toString(exec).qstring()); + break; + case MarkerHeight: + markerHeight()->baseVal()->setValueAsString(value.toString(exec).qstring()); + break; + case MarkerUnits: + if(value.toString(exec).qstring() == "userSpaceOnUse") + markerUnits()->setBaseVal(SVG_MARKERUNITS_USERSPACEONUSE); + else + markerUnits()->setBaseVal(SVG_MARKERUNITS_STROKEWIDTH); + break; + case Orient: + { + QString param = value.toString(exec).qstring(); + + if(param == "auto") + orientType()->setBaseVal(SVG_MARKER_ORIENT_AUTO); + else + { + orientType()->setBaseVal(SVG_MARKER_ORIENT_ANGLE); + m_orientAngle->baseVal()->setValueAsString(param); + } + break; + } + default: + kdWarning() << "Unhandled token in " << k_funcinfo << " : " << token << endl; + } +} + +Value SVGMarkerElementImplProtoFunc::call(ExecState *exec, Object &thisObj, const List &args) +{ + KSVG_CHECK_THIS(SVGMarkerElementImpl) + + switch(id) + { + case SVGMarkerElementImpl::SetOrientToAuto: + obj->setOrientToAuto(); + return Undefined(); +#ifdef __GNUC__ +#warning FIXME cache stuff +#endif + case SVGMarkerElementImpl::SetOrientToAngle: + obj->setOrientToAngle(static_cast<KSVGBridge<SVGAngleImpl> *>(args[0].imp())->impl()); + return Undefined(); + default: + kdWarning() << "Unhandled function id in " << k_funcinfo << " : " << id << endl; + break; + } + + return Undefined(); +} + +// CONSTANTS + +/* +@namespace KSVG +@begin SVGMarkerElementImplConstructor::s_hashTable 7 + SVG_MARKERUNITS_UNKNOWN KSVG::SVG_MARKERUNITS_UNKNOWN DontDelete|ReadOnly + SVG_MARKERUNITS_USERSPACEONUSE KSVG::SVG_MARKERUNITS_USERSPACEONUSE DontDelete|ReadOnly + SVG_MARKERUNITS_STROKEWIDTH KSVG::SVG_MARKERUNITS_STROKEWIDTH DontDelete|ReadOnly + SVG_MARKER_ORIENT_UNKNOWN KSVG::SVG_MARKER_ORIENT_UNKNOWN DontDelete|ReadOnly + SVG_MARKER_ORIENT_AUTO KSVG::SVG_MARKER_ORIENT_AUTO DontDelete|ReadOnly + SVG_MARKER_ORIENT_ANGLE KSVG::SVG_MARKER_ORIENT_ANGLE DontDelete|ReadOnly +@end +*/ + +using namespace KJS; + +Value SVGMarkerElementImplConstructor::getValueProperty(ExecState *, int token) const +{ + return Number(token); +} + +Value KSVG::getSVGMarkerElementImplConstructor(ExecState *exec) +{ + return cacheGlobalBridge<SVGMarkerElementImplConstructor>(exec, "[[svgmarkerelement.constructor]]"); +} + +// vim:ts=4:noet |