SVGAnimateColorElement.cpp [plain text]
#include "config.h"
#if ENABLE(SVG)
#include "SVGAnimateColorElement.h"
#include "Document.h"
#include "TimeScheduler.h"
#include "PlatformString.h"
#include "SVGColor.h"
#include "SVGSVGElement.h"
#include <math.h>
#include <wtf/MathExtras.h>
namespace WebCore {
SVGAnimateColorElement::SVGAnimateColorElement(const QualifiedName& tagName, Document* doc)
: SVGAnimationElement(tagName, doc)
{
}
SVGAnimateColorElement::~SVGAnimateColorElement()
{
}
bool SVGAnimateColorElement::updateAnimationBaseValueFromElement()
{
m_baseColor = SVGColor::colorFromRGBColorString(targetAttributeAnimatedValue());
m_fromColor = Color();
m_toColor = Color();
return true;
}
void SVGAnimateColorElement::applyAnimatedValueToElement()
{
if (isAdditive())
setTargetAttributeAnimatedValue(ColorDistance::addColorsAndClamp(m_baseColor, m_animatedColor).name());
else
setTargetAttributeAnimatedValue(m_animatedColor.name());
}
bool SVGAnimateColorElement::updateAnimatedValue(EAnimationMode animationMode, float timePercentage, unsigned valueIndex, float percentagePast)
{
if (animationMode == TO_ANIMATION)
m_animatedColor = ColorDistance(m_baseColor, m_toColor).scaledDistance(timePercentage).addToColorAndClamp(m_baseColor);
else
m_animatedColor = ColorDistance(m_fromColor, m_toColor).scaledDistance(percentagePast).addToColorAndClamp(m_fromColor);
return (m_animatedColor != m_baseColor);
}
bool SVGAnimateColorElement::calculateFromAndToValues(EAnimationMode animationMode, unsigned valueIndex)
{
switch (animationMode) {
case FROM_TO_ANIMATION:
m_fromColor = SVGColor::colorFromRGBColorString(m_from);
case TO_ANIMATION:
m_toColor = SVGColor::colorFromRGBColorString(m_to);
break;
case FROM_BY_ANIMATION:
m_fromColor = SVGColor::colorFromRGBColorString(m_from);
m_toColor = SVGColor::colorFromRGBColorString(m_by);
break;
case BY_ANIMATION:
m_fromColor = SVGColor::colorFromRGBColorString(m_from);
m_toColor = ColorDistance::addColorsAndClamp(m_fromColor, SVGColor::colorFromRGBColorString(m_by));
break;
case VALUES_ANIMATION:
m_fromColor = SVGColor::colorFromRGBColorString(m_values[valueIndex]);
m_toColor = ((valueIndex + 1) < m_values.size()) ? SVGColor::colorFromRGBColorString(m_values[valueIndex + 1]) : m_fromColor;
break;
case NO_ANIMATION:
ASSERT_NOT_REACHED();
}
return true;
}
}
#endif // ENABLE(SVG)