/* | |
Copyright (C) 2004, 2005, 2006, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org> | |
2004, 2005, 2006, 2007 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) | |
#include "SVGMarkerElement.h" | |
#include "MappedAttribute.h" | |
#include "PlatformString.h" | |
#include "RenderSVGViewportContainer.h" | |
#include "SVGFitToViewBox.h" | |
#include "SVGLength.h" | |
#include "SVGNames.h" | |
#include "SVGPreserveAspectRatio.h" | |
#include "SVGSVGElement.h" | |
namespace WebCore { | |
char SVGOrientTypeAttrIdentifier[] = "SVGOrientTypeAttr"; | |
char SVGOrientAngleAttrIdentifier[] = "SVGOrientAngleAttr"; | |
SVGMarkerElement::SVGMarkerElement(const QualifiedName& tagName, Document* doc) | |
: SVGStyledElement(tagName, doc) | |
, SVGLangSpace() | |
, SVGExternalResourcesRequired() | |
, SVGFitToViewBox() | |
, m_refX(LengthModeWidth) | |
, m_refY(LengthModeHeight) | |
, m_markerWidth(LengthModeWidth, "3") | |
, m_markerHeight(LengthModeHeight, "3") | |
, m_markerUnits(SVG_MARKERUNITS_STROKEWIDTH) | |
, m_orientType(SVG_MARKER_ORIENT_ANGLE) | |
{ | |
// Spec: If the markerWidth/markerHeight attribute is not specified, the effect is as if a value of "3" were specified. | |
} | |
SVGMarkerElement::~SVGMarkerElement() | |
{ | |
} | |
AffineTransform SVGMarkerElement::viewBoxToViewTransform(float viewWidth, float viewHeight) const | |
{ | |
return SVGFitToViewBox::viewBoxToViewTransform(viewBox(), preserveAspectRatio(), viewWidth, viewHeight); | |
} | |
void SVGMarkerElement::parseMappedAttribute(MappedAttribute* attr) | |
{ | |
if (attr->name() == SVGNames::markerUnitsAttr) { | |
if (attr->value() == "userSpaceOnUse") | |
setMarkerUnitsBaseValue(SVG_MARKERUNITS_USERSPACEONUSE); | |
else if (attr->value() == "strokeWidth") | |
setMarkerUnitsBaseValue(SVG_MARKERUNITS_STROKEWIDTH); | |
} else if (attr->name() == SVGNames::refXAttr) | |
setRefXBaseValue(SVGLength(LengthModeWidth, attr->value())); | |
else if (attr->name() == SVGNames::refYAttr) | |
setRefYBaseValue(SVGLength(LengthModeHeight, attr->value())); | |
else if (attr->name() == SVGNames::markerWidthAttr) | |
setMarkerWidthBaseValue(SVGLength(LengthModeWidth, attr->value())); | |
else if (attr->name() == SVGNames::markerHeightAttr) | |
setMarkerHeightBaseValue(SVGLength(LengthModeHeight, attr->value())); | |
else if (attr->name() == SVGNames::orientAttr) { | |
SVGAngle angle; | |
if (attr->value() == "auto") | |
setOrientTypeBaseValue(SVG_MARKER_ORIENT_AUTO); | |
else { | |
angle.setValueAsString(attr->value()); | |
setOrientTypeBaseValue(SVG_MARKER_ORIENT_ANGLE); | |
} | |
setOrientAngleBaseValue(angle); | |
} else { | |
if (SVGLangSpace::parseMappedAttribute(attr)) | |
return; | |
if (SVGExternalResourcesRequired::parseMappedAttribute(attr)) | |
return; | |
if (SVGFitToViewBox::parseMappedAttribute(document(), attr)) | |
return; | |
SVGStyledElement::parseMappedAttribute(attr); | |
} | |
} | |
void SVGMarkerElement::svgAttributeChanged(const QualifiedName& attrName) | |
{ | |
SVGStyledElement::svgAttributeChanged(attrName); | |
if (!m_marker) | |
return; | |
if (attrName == SVGNames::markerUnitsAttr || attrName == SVGNames::refXAttr || | |
attrName == SVGNames::refYAttr || attrName == SVGNames::markerWidthAttr || | |
attrName == SVGNames::markerHeightAttr || attrName == SVGNames::orientAttr || | |
SVGLangSpace::isKnownAttribute(attrName) || | |
SVGExternalResourcesRequired::isKnownAttribute(attrName) || | |
SVGFitToViewBox::isKnownAttribute(attrName) || | |
SVGStyledElement::isKnownAttribute(attrName)) { | |
if (renderer()) | |
renderer()->setNeedsLayout(true); | |
m_marker->invalidate(); | |
} | |
} | |
void SVGMarkerElement::synchronizeProperty(const QualifiedName& attrName) | |
{ | |
SVGStyledElement::synchronizeProperty(attrName); | |
if (attrName == anyQName()) { | |
synchronizeMarkerUnits(); | |
synchronizeRefX(); | |
synchronizeRefY(); | |
synchronizeMarkerWidth(); | |
synchronizeMarkerHeight(); | |
synchronizeOrientAngle(); | |
synchronizeOrientType(); | |
synchronizeExternalResourcesRequired(); | |
synchronizeViewBox(); | |
synchronizePreserveAspectRatio(); | |
return; | |
} | |
if (attrName == SVGNames::markerUnitsAttr) | |
synchronizeMarkerUnits(); | |
else if (attrName == SVGNames::refXAttr) | |
synchronizeRefX(); | |
else if (attrName == SVGNames::refYAttr) | |
synchronizeRefY(); | |
else if (attrName == SVGNames::markerWidthAttr) | |
synchronizeMarkerWidth(); | |
else if (attrName == SVGNames::markerHeightAttr) | |
synchronizeMarkerHeight(); | |
else if (attrName == SVGNames::orientAttr) { | |
synchronizeOrientAngle(); | |
synchronizeOrientType(); | |
} else if (SVGExternalResourcesRequired::isKnownAttribute(attrName)) | |
synchronizeExternalResourcesRequired(); | |
else if (SVGFitToViewBox::isKnownAttribute(attrName)) { | |
synchronizeViewBox(); | |
synchronizePreserveAspectRatio(); | |
} | |
} | |
void SVGMarkerElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta) | |
{ | |
SVGStyledElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta); | |
if (!m_marker) | |
return; | |
if (renderer()) | |
renderer()->setNeedsLayout(true); | |
m_marker->invalidate(); | |
} | |
void SVGMarkerElement::setOrientToAuto() | |
{ | |
setOrientTypeBaseValue(SVG_MARKER_ORIENT_AUTO); | |
setOrientAngleBaseValue(SVGAngle()); | |
if (!m_marker) | |
return; | |
if (renderer()) | |
renderer()->setNeedsLayout(true); | |
m_marker->invalidate(); | |
} | |
void SVGMarkerElement::setOrientToAngle(const SVGAngle& angle) | |
{ | |
setOrientTypeBaseValue(SVG_MARKER_ORIENT_ANGLE); | |
setOrientAngleBaseValue(angle); | |
if (!m_marker) | |
return; | |
if (renderer()) | |
renderer()->setNeedsLayout(true); | |
m_marker->invalidate(); | |
} | |
SVGResource* SVGMarkerElement::canvasResource(const RenderObject*) | |
{ | |
if (!m_marker) | |
m_marker = SVGResourceMarker::create(); | |
ASSERT(renderer()); | |
m_marker->setRenderer(toRenderSVGViewportContainer(renderer())); | |
if (orientType() == SVG_MARKER_ORIENT_ANGLE) | |
m_marker->setAngle(orientAngle().value()); | |
else | |
m_marker->setAutoAngle(); | |
m_marker->setReferencePoint(FloatPoint(refX().value(this), refY().value(this))); | |
m_marker->setUseStrokeWidth(markerUnits() == SVG_MARKERUNITS_STROKEWIDTH); | |
return m_marker.get(); | |
} | |
RenderObject* SVGMarkerElement::createRenderer(RenderArena* arena, RenderStyle*) | |
{ | |
RenderSVGViewportContainer* markerContainer = new (arena) RenderSVGViewportContainer(this); | |
markerContainer->setDrawsContents(false); // Marker contents will be explicitly drawn. | |
return markerContainer; | |
} | |
} | |
#endif // ENABLE(SVG) |