SVGFEDiffuseLightingElement.cpp [plain text]
#include "config.h"
#if SVG_SUPPORT
#include "DeprecatedStringList.h"
#include "Attr.h"
#include <kcanvas/KCanvasFilters.h>
#include <kcanvas/device/KRenderingDevice.h>
#include "ksvg.h"
#include "SVGNames.h"
#include "SVGHelper.h"
#include "SVGRenderStyle.h"
#include "SVGAnimatedColor.h"
#include "SVGAnimatedNumber.h"
#include "SVGAnimatedString.h"
#include "SVGFELightElement.h"
#include "SVGDOMImplementation.h"
#include "SVGFEDiffuseLightingElement.h"
namespace WebCore {
SVGFEDiffuseLightingElement::SVGFEDiffuseLightingElement(const QualifiedName& tagName, Document *doc) :
SVGFilterPrimitiveStandardAttributes(tagName, doc)
{
m_filterEffect = 0;
}
SVGFEDiffuseLightingElement::~SVGFEDiffuseLightingElement()
{
delete m_filterEffect;
}
SVGAnimatedString *SVGFEDiffuseLightingElement::in1() const
{
SVGStyledElement *dummy = 0;
return lazy_create<SVGAnimatedString>(m_in1, dummy);
}
SVGAnimatedNumber *SVGFEDiffuseLightingElement::diffuseConstant() const
{
SVGStyledElement *dummy = 0;
return lazy_create<SVGAnimatedNumber>(m_diffuseConstant, dummy);
}
SVGAnimatedNumber *SVGFEDiffuseLightingElement::surfaceScale() const
{
SVGStyledElement *dummy = 0;
return lazy_create<SVGAnimatedNumber>(m_surfaceScale, dummy);
}
SVGAnimatedNumber *SVGFEDiffuseLightingElement::kernelUnitLengthX() const
{
SVGStyledElement *dummy = 0;
return lazy_create<SVGAnimatedNumber>(m_kernelUnitLengthX, dummy);
}
SVGAnimatedNumber *SVGFEDiffuseLightingElement::kernelUnitLengthY() const
{
SVGStyledElement *dummy = 0;
return lazy_create<SVGAnimatedNumber>(m_kernelUnitLengthY, dummy);
}
SVGAnimatedColor *SVGFEDiffuseLightingElement::lightingColor() const
{
SVGStyledElement *dummy = 0;
return lazy_create<SVGAnimatedColor>(m_lightingColor, dummy);
}
void SVGFEDiffuseLightingElement::parseMappedAttribute(MappedAttribute *attr)
{
const String& value = attr->value();
if (attr->name() == SVGNames::inAttr)
in1()->setBaseVal(value.impl());
else if (attr->name() == SVGNames::surfaceScaleAttr)
surfaceScale()->setBaseVal(value.deprecatedString().toDouble());
else if (attr->name() == SVGNames::diffuseConstantAttr)
diffuseConstant()->setBaseVal(value.toInt());
else if (attr->name() == SVGNames::kernelUnitLengthAttr) {
DeprecatedStringList numbers = DeprecatedStringList::split(' ', value.deprecatedString());
kernelUnitLengthX()->setBaseVal(numbers[0].toDouble());
if (numbers.count() == 1)
kernelUnitLengthY()->setBaseVal(numbers[0].toDouble());
else
kernelUnitLengthY()->setBaseVal(numbers[1].toDouble());
} else if (attr->name() == SVGNames::lighting_colorAttr)
lightingColor()->setBaseVal(new SVGColor(value.impl()));
else
SVGFilterPrimitiveStandardAttributes::parseMappedAttribute(attr);
}
KCanvasFEDiffuseLighting *SVGFEDiffuseLightingElement::filterEffect() const
{
if (!m_filterEffect)
m_filterEffect = static_cast<KCanvasFEDiffuseLighting *>(renderingDevice()->createFilterEffect(FE_DIFFUSE_LIGHTING));
m_filterEffect->setIn(String(in1()->baseVal()).deprecatedString());
setStandardAttributes(m_filterEffect);
m_filterEffect->setDiffuseConstant((diffuseConstant()->baseVal()));
m_filterEffect->setSurfaceScale((surfaceScale()->baseVal()));
m_filterEffect->setKernelUnitLengthX((kernelUnitLengthX()->baseVal()));
m_filterEffect->setKernelUnitLengthY((kernelUnitLengthY()->baseVal()));
m_filterEffect->setLightingColor(lightingColor()->baseVal()->color());
updateLights();
return m_filterEffect;
}
void SVGFEDiffuseLightingElement::updateLights() const
{
if (!m_filterEffect)
return;
KCLightSource *light = 0;
for (Node *n = firstChild(); n; n = n->nextSibling()) {
if (n->hasTagName(SVGNames::feDistantLightTag)||n->hasTagName(SVGNames::fePointLightTag)||n->hasTagName(SVGNames::feSpotLightTag)) {
SVGFELightElement *lightNode = static_cast<SVGFELightElement *>(n);
light = lightNode->lightSource();
break;
}
}
m_filterEffect->setLightSource(light);
}
}
#endif // SVG_SUPPORT