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tdegraphics/ksvg/impl/SVGMarkerElementImpl.cpp

423 lines
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/*
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:
{
TQString 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]]");
}