void SVGComponentTransferFunctionElement::parseMappedAttribute(Attribute* attr)
{
const String& value = attr->value();
if (attr->name() == SVGNames::typeAttr) {
if (value == "identity")
setTypeBaseValue(FECOMPONENTTRANSFER_TYPE_IDENTITY);
else if (value == "table")
setTypeBaseValue(FECOMPONENTTRANSFER_TYPE_TABLE);
else if (value == "discrete")
setTypeBaseValue(FECOMPONENTTRANSFER_TYPE_DISCRETE);
else if (value == "linear")
setTypeBaseValue(FECOMPONENTTRANSFER_TYPE_LINEAR);
else if (value == "gamma")
setTypeBaseValue(FECOMPONENTTRANSFER_TYPE_GAMMA);
} else if (attr->name() == SVGNames::tableValuesAttr) {
SVGNumberList newList;
newList.parse(value);
detachAnimatedTableValuesListWrappers(newList.size());
setTableValuesBaseValue(newList);
} else if (attr->name() == SVGNames::slopeAttr)
setSlopeBaseValue(value.toFloat());
else if (attr->name() == SVGNames::interceptAttr)
setInterceptBaseValue(value.toFloat());
else if (attr->name() == SVGNames::amplitudeAttr)
setAmplitudeBaseValue(value.toFloat());
else if (attr->name() == SVGNames::exponentAttr)
setExponentBaseValue(value.toFloat());
else if (attr->name() == SVGNames::offsetAttr)
setOffsetBaseValue(value.toFloat());
else
SVGElement::parseMappedAttribute(attr);
}
void SVGFEColorMatrixElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
if (!isSupportedAttribute(name)) {
SVGFilterPrimitiveStandardAttributes::parseAttribute(name, value);
return;
}
if (name == SVGNames::typeAttr) {
ColorMatrixType propertyValue = SVGPropertyTraits<ColorMatrixType>::fromString(value);
if (propertyValue > 0)
setTypeBaseValue(propertyValue);
return;
}
if (name == SVGNames::inAttr) {
setIn1BaseValue(value);
return;
}
if (name == SVGNames::valuesAttr) {
SVGNumberList newList;
newList.parse(value);
detachAnimatedValuesListWrappers(newList.size());
setValuesBaseValue(newList);
return;
}
ASSERT_NOT_REACHED();
}
void
DOMSVGAnimatedNumberList::InternalBaseValListWillChangeTo(const SVGNumberList& aNewValue)
{
// When the number of items in our internal counterpart's baseVal changes,
// we MUST keep our baseVal in sync. If we don't, script will either see a
// list that is too short and be unable to access indexes that should be
// valid, or else, MUCH WORSE, script will see a list that is too long and be
// able to access "items" at indexes that are out of bounds (read/write to
// bad memory)!!
RefPtr<DOMSVGAnimatedNumberList> kungFuDeathGrip;
if (mBaseVal) {
if (aNewValue.Length() < mBaseVal->LengthNoFlush()) {
// InternalListLengthWillChange might clear last reference to |this|.
// Retain a temporary reference to keep from dying before returning.
kungFuDeathGrip = this;
}
mBaseVal->InternalListLengthWillChange(aNewValue.Length());
}
// If our attribute is not animating, then our animVal mirrors our baseVal
// and we must sync its length too. (If our attribute is animating, then the
// SMIL engine takes care of calling InternalAnimValListWillChangeTo() if
// necessary.)
if (!IsAnimating()) {
InternalAnimValListWillChangeTo(aNewValue);
}
}
nsresult
SVGAnimatedNumberList::SetBaseValueString(const nsAString& aValue)
{
SVGNumberList newBaseValue;
nsresult rv = newBaseValue.SetValueFromString(aValue);
if (NS_FAILED(rv)) {
return rv;
}
DOMSVGAnimatedNumberList *domWrapper =
DOMSVGAnimatedNumberList::GetDOMWrapperIfExists(this);
if (domWrapper) {
// We must send this notification *before* changing mBaseVal! If the length
// of our baseVal is being reduced, our baseVal's DOM wrapper list may have
// to remove DOM items from itself, and any removed DOM items need to copy
// their internal counterpart values *before* we change them.
//
domWrapper->InternalBaseValListWillChangeTo(newBaseValue);
}
// We don't need to call DidChange* here - we're only called by
// nsSVGElement::ParseAttribute under Element::SetAttr,
// which takes care of notifying.
mIsBaseSet = true;
rv = mBaseVal.CopyFrom(newBaseValue);
if (NS_FAILED(rv) && domWrapper) {
// Attempting to increase mBaseVal's length failed - reduce domWrapper
// back to the same length:
domWrapper->InternalBaseValListWillChangeTo(mBaseVal);
}
return rv;
}
void SVGTextPositioningElement::parseMappedAttribute(Attribute* attr)
{
if (attr->name() == SVGNames::xAttr) {
SVGLengthList newList;
newList.parse(attr->value(), LengthModeWidth);
detachAnimatedXListWrappers(newList.size());
setXBaseValue(newList);
} else if (attr->name() == SVGNames::yAttr) {
SVGLengthList newList;
newList.parse(attr->value(), LengthModeHeight);
detachAnimatedYListWrappers(newList.size());
setYBaseValue(newList);
} else if (attr->name() == SVGNames::dxAttr) {
SVGLengthList newList;
newList.parse(attr->value(), LengthModeWidth);
detachAnimatedDxListWrappers(newList.size());
setDxBaseValue(newList);
} else if (attr->name() == SVGNames::dyAttr) {
SVGLengthList newList;
newList.parse(attr->value(), LengthModeHeight);
detachAnimatedDyListWrappers(newList.size());
setDyBaseValue(newList);
} else if (attr->name() == SVGNames::rotateAttr) {
SVGNumberList newList;
newList.parse(attr->value());
detachAnimatedRotateListWrappers(newList.size());
setRotateBaseValue(newList);
} else
SVGTextContentElement::parseMappedAttribute(attr);
}
nsresult
SVGNumberList::SetValueFromString(const nsAString& aValue)
{
SVGNumberList temp;
nsCharSeparatedTokenizerTemplate<IsSVGWhitespace>
tokenizer(aValue, ',', nsCharSeparatedTokenizer::SEPARATOR_OPTIONAL);
nsAutoCString str; // outside loop to minimize memory churn
while (tokenizer.hasMoreTokens()) {
CopyUTF16toUTF8(tokenizer.nextToken(), str); // NS_ConvertUTF16toUTF8
const char *token = str.get();
if (*token == '\0') {
return NS_ERROR_DOM_SYNTAX_ERR; // nothing between commas
}
char *end;
float num = float(PR_strtod(token, &end));
if (*end != '\0' || !NS_finite(num)) {
return NS_ERROR_DOM_SYNTAX_ERR;
}
if (!temp.AppendItem(num)) {
return NS_ERROR_OUT_OF_MEMORY;
}
}
if (tokenizer.lastTokenEndedWithSeparator()) {
return NS_ERROR_DOM_SYNTAX_ERR; // trailing comma
}
return CopyFrom(temp);
}
SVGPropertyBase* SVGNumberListInterpolationType::appliedSVGValue(
const InterpolableValue& interpolableValue,
const NonInterpolableValue*) const {
SVGNumberList* result = SVGNumberList::create();
const InterpolableList& list = toInterpolableList(interpolableValue);
for (size_t i = 0; i < list.length(); i++)
result->append(
SVGNumber::create(toInterpolableNumber(list.get(i))->value()));
return result;
}
static inline void extractFloatValuesFromSVGNumberList(const SVGNumberList& list, Vector<float>& floatValues, unsigned textContentLength)
{
unsigned length = list.size();
if (length > textContentLength)
length = textContentLength;
floatValues.reserveCapacity(length);
for (unsigned i = 0; i < length; ++i)
floatValues.append(list.at(i));
}
void SVGNumberList::add(SVGPropertyBase* other, SVGElement* contextElement)
{
SVGNumberList* otherList = toSVGNumberList(other);
if (length() != otherList->length())
return;
for (size_t i = 0; i < length(); ++i)
at(i)->setValue(at(i)->value() + otherList->at(i)->value());
}
PassRefPtr<FilterEffect> SVGFEConvolveMatrixElement::build(SVGFilterBuilder* filterBuilder)
{
FilterEffect* input1 = filterBuilder->getEffectById(in1());
if (!input1)
return 0;
Vector<float> kernelMatrixValues;
SVGNumberList* numbers = kernelMatrix();
ExceptionCode ec = 0;
int numberOfItems = numbers->numberOfItems();
for (int i = 0; i < numberOfItems; ++i)
kernelMatrixValues.append(numbers->getItem(i, ec));
int orderXValue = orderX();
int orderYValue = orderY();
if (!hasAttribute(SVGNames::orderAttr)) {
orderXValue = 3;
orderYValue = 3;
}
// The spec says this is a requirement, and should bail out if fails
if (orderXValue * orderYValue != numberOfItems)
return 0;
int targetXValue = targetX();
int targetYValue = targetY();
if (hasAttribute(SVGNames::targetXAttr) && (targetXValue < 0 || targetXValue >= orderXValue))
return 0;
// The spec says the default value is: targetX = floor ( orderX / 2 ))
if (!hasAttribute(SVGNames::targetXAttr))
targetXValue = static_cast<int>(floorf(orderXValue / 2));
if (hasAttribute(SVGNames::targetYAttr) && (targetYValue < 0 || targetYValue >= orderYValue))
return 0;
// The spec says the default value is: targetY = floor ( orderY / 2 ))
if (!hasAttribute(SVGNames::targetYAttr))
targetYValue = static_cast<int>(floorf(orderYValue / 2));
float divisorValue = divisor();
if (hasAttribute(SVGNames::divisorAttr) && !divisorValue)
return 0;
if (!hasAttribute(SVGNames::divisorAttr)) {
for (int i = 0; i < numberOfItems; ++i)
divisorValue += kernelMatrixValues[i];
if (!divisorValue)
divisorValue = 1;
}
RefPtr<FilterEffect> effect = FEConvolveMatrix::create(
IntSize(orderXValue, orderYValue), divisorValue,
bias(), IntPoint(targetXValue, targetYValue), static_cast<EdgeModeType>(edgeMode()),
FloatPoint(kernelUnitLengthX(), kernelUnitLengthX()), preserveAlpha(), kernelMatrixValues);
effect->inputEffects().append(input1);
return effect.release();
}
void SVGTextPositioningElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
if (!isSupportedAttribute(name)) {
SVGTextContentElement::parseAttribute(name, value);
return;
}
if (name == SVGNames::xAttr) {
SVGLengthList newList;
newList.parse(value, LengthModeWidth);
detachAnimatedXListWrappers(newList.size());
setXBaseValue(newList);
return;
}
if (name == SVGNames::yAttr) {
SVGLengthList newList;
newList.parse(value, LengthModeHeight);
detachAnimatedYListWrappers(newList.size());
setYBaseValue(newList);
return;
}
if (name == SVGNames::dxAttr) {
SVGLengthList newList;
newList.parse(value, LengthModeWidth);
detachAnimatedDxListWrappers(newList.size());
setDxBaseValue(newList);
return;
}
if (name == SVGNames::dyAttr) {
SVGLengthList newList;
newList.parse(value, LengthModeHeight);
detachAnimatedDyListWrappers(newList.size());
setDyBaseValue(newList);
return;
}
if (name == SVGNames::rotateAttr) {
SVGNumberList newList;
newList.parse(value);
detachAnimatedRotateListWrappers(newList.size());
setRotateBaseValue(newList);
return;
}
ASSERT_NOT_REACHED();
}
void
DOMSVGAnimatedNumberList::InternalAnimValListWillChangeTo(const SVGNumberList& aNewValue)
{
if (mAnimVal) {
mAnimVal->InternalListLengthWillChange(aNewValue.Length());
}
}
bool SVGFEColorMatrixElement::build(SVGResourceFilter* filterResource)
{
FilterEffect* input1 = filterResource->builder()->getEffectById(in1());
if (!input1)
return false;
Vector<float> filterValues;
SVGNumberList* numbers = values();
const ColorMatrixType filterType(static_cast<const ColorMatrixType>(type()));
// Use defaults if values is empty (SVG 1.1 15.10).
if (!hasAttribute(SVGNames::valuesAttr)) {
switch (filterType) {
case FECOLORMATRIX_TYPE_MATRIX:
for (size_t i = 0; i < 20; i++)
filterValues.append((i % 6) ? 0.0f : 1.0f);
break;
case FECOLORMATRIX_TYPE_HUEROTATE:
filterValues.append(0.0f);
break;
case FECOLORMATRIX_TYPE_SATURATE:
filterValues.append(1.0f);
break;
default:
break;
}
} else {
size_t size = numbers->numberOfItems();
for (size_t i = 0; i < size; i++) {
ExceptionCode ec = 0;
filterValues.append(numbers->getItem(i, ec));
}
size = filterValues.size();
if ((filterType == FECOLORMATRIX_TYPE_MATRIX && size != 20)
|| (filterType == FECOLORMATRIX_TYPE_HUEROTATE && size != 1)
|| (filterType == FECOLORMATRIX_TYPE_SATURATE && (size != 1
|| filterValues[0] < 0.0f || filterValues[0] > 1.0f)))
return false;
}
RefPtr<FilterEffect> effect = FEColorMatrix::create(input1, filterType, filterValues);
filterResource->addFilterEffect(this, effect.release());
return true;
}
ComponentTransferFunction SVGComponentTransferFunctionElement::transferFunction() const
{
ComponentTransferFunction func;
func.type = (ComponentTransferType) type();
func.slope = slope();
func.intercept = intercept();
func.amplitude = amplitude();
func.exponent = exponent();
func.offset = offset();
SVGNumberList* numbers = tableValues();
ExceptionCode ec = 0;
unsigned int nr = numbers->numberOfItems();
for (unsigned int i = 0; i < nr; i++)
func.tableValues.append(numbers->getItem(i, ec));
return func;
}
void SVGFEConvolveMatrixElement::parseMappedAttribute(Attribute* attr)
{
const String& value = attr->value();
if (attr->name() == SVGNames::inAttr)
setIn1BaseValue(value);
else if (attr->name() == SVGNames::orderAttr) {
float x, y;
if (parseNumberOptionalNumber(value, x, y)) {
setOrderXBaseValue(x);
setOrderYBaseValue(y);
}
} else if (attr->name() == SVGNames::edgeModeAttr) {
if (value == "duplicate")
setEdgeModeBaseValue(EDGEMODE_DUPLICATE);
else if (value == "wrap")
setEdgeModeBaseValue(EDGEMODE_WRAP);
else if (value == "none")
setEdgeModeBaseValue(EDGEMODE_NONE);
} else if (attr->name() == SVGNames::kernelMatrixAttr) {
SVGNumberList newList;
newList.parse(value);
detachAnimatedKernelMatrixListWrappers(newList.size());
kernelMatrixBaseValue() = newList;
} else if (attr->name() == SVGNames::divisorAttr)
setDivisorBaseValue(value.toFloat());
else if (attr->name() == SVGNames::biasAttr)
setBiasBaseValue(value.toFloat());
else if (attr->name() == SVGNames::targetXAttr)
setTargetXBaseValue(value.toUIntStrict());
else if (attr->name() == SVGNames::targetYAttr)
setTargetYBaseValue(value.toUIntStrict());
else if (attr->name() == SVGNames::kernelUnitLengthAttr) {
float x, y;
if (parseNumberOptionalNumber(value, x, y)) {
setKernelUnitLengthXBaseValue(x);
setKernelUnitLengthYBaseValue(y);
}
} else if (attr->name() == SVGNames::preserveAlphaAttr) {
if (value == "true")
setPreserveAlphaBaseValue(true);
else if (value == "false")
setPreserveAlphaBaseValue(false);
} else
SVGFilterPrimitiveStandardAttributes::parseMappedAttribute(attr);
}
nsresult
SVGNumberList::CopyFrom(const SVGNumberList& rhs)
{
if (!mNumbers.SetCapacity(rhs.Length())) {
// Yes, we do want fallible alloc here
return NS_ERROR_OUT_OF_MEMORY;
}
mNumbers = rhs.mNumbers;
return NS_OK;
}
bool SVGFEColorMatrixElement::build(FilterBuilder* builder)
{
FilterEffect* input1 = builder->getEffectById(in1());
if(!input1)
return false;
Vector<float> _values;
SVGNumberList* numbers = values();
ExceptionCode ec = 0;
unsigned int nr = numbers->numberOfItems();
for (unsigned int i = 0;i < nr;i++)
_values.append(numbers->getItem(i, ec));
builder->add(result(), FEColorMatrix::create(input1, static_cast<ColorMatrixType> (type()), _values));
return true;
}
void SVGFEColorMatrixElement::parseMappedAttribute(Attribute* attr)
{
const String& value = attr->value();
if (attr->name() == SVGNames::typeAttr) {
if (value == "matrix")
setTypeBaseValue(FECOLORMATRIX_TYPE_MATRIX);
else if (value == "saturate")
setTypeBaseValue(FECOLORMATRIX_TYPE_SATURATE);
else if (value == "hueRotate")
setTypeBaseValue(FECOLORMATRIX_TYPE_HUEROTATE);
else if (value == "luminanceToAlpha")
setTypeBaseValue(FECOLORMATRIX_TYPE_LUMINANCETOALPHA);
} else if (attr->name() == SVGNames::inAttr)
setIn1BaseValue(value);
else if (attr->name() == SVGNames::valuesAttr) {
SVGNumberList newList;
newList.parse(value);
detachAnimatedValuesListWrappers(newList.size());
setValuesBaseValue(newList);
} else
SVGFilterPrimitiveStandardAttributes::parseMappedAttribute(attr);
}
nsresult
SVGNumberList::SetValueFromString(const nsAString& aValue)
{
SVGNumberList temp;
nsCharSeparatedTokenizerTemplate<IsSVGWhitespace>
tokenizer(aValue, ',', nsCharSeparatedTokenizer::SEPARATOR_OPTIONAL);
while (tokenizer.hasMoreTokens()) {
float num;
if (!SVGContentUtils::ParseNumber(tokenizer.nextToken(), num)) {
return NS_ERROR_DOM_SYNTAX_ERR;
}
if (!temp.AppendItem(num)) {
return NS_ERROR_OUT_OF_MEMORY;
}
}
if (tokenizer.separatorAfterCurrentToken()) {
return NS_ERROR_DOM_SYNTAX_ERR; // trailing comma
}
return CopyFrom(temp);
}
void SVGNumberList::calculateAnimatedValue(SVGAnimationElement* animationElement, float percentage, unsigned repeatCount, SVGPropertyBase* fromValue, SVGPropertyBase* toValue, SVGPropertyBase* toAtEndOfDurationValue, SVGElement* contextElement)
{
SVGNumberList* fromList = toSVGNumberList(fromValue);
SVGNumberList* toList = toSVGNumberList(toValue);
SVGNumberList* toAtEndOfDurationList = toSVGNumberList(toAtEndOfDurationValue);
size_t fromListSize = fromList->length();
size_t toListSize = toList->length();
size_t toAtEndOfDurationListSize = toAtEndOfDurationList->length();
if (!adjustFromToListValues(fromList, toList, percentage, animationElement->getAnimationMode()))
return;
for (size_t i = 0; i < toListSize; ++i) {
float effectiveFrom = fromListSize ? fromList->at(i)->value() : 0;
float effectiveTo = toListSize ? toList->at(i)->value() : 0;
float effectiveToAtEnd = i < toAtEndOfDurationListSize ? toAtEndOfDurationList->at(i)->value() : 0;
float animated = at(i)->value();
animationElement->animateAdditiveNumber(percentage, repeatCount, effectiveFrom, effectiveTo, effectiveToAtEnd, animated);
at(i)->setValue(animated);
}
}
void SVGFEConvolveMatrixElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
if (!isSupportedAttribute(name)) {
SVGFilterPrimitiveStandardAttributes::parseAttribute(name, value);
return;
}
if (name == SVGNames::inAttr) {
setIn1BaseValue(value);
return;
}
if (name == SVGNames::orderAttr) {
float x, y;
if (parseNumberOptionalNumber(value, x, y) && x >= 1 && y >= 1) {
setOrderXBaseValue(x);
setOrderYBaseValue(y);
} else
document().accessSVGExtensions()->reportWarning(
"feConvolveMatrix: problem parsing order=\"" + value
+ "\". Filtered element will not be displayed.");
return;
}
if (name == SVGNames::edgeModeAttr) {
EdgeModeType propertyValue = SVGPropertyTraits<EdgeModeType>::fromString(value);
if (propertyValue > 0)
setEdgeModeBaseValue(propertyValue);
else
document().accessSVGExtensions()->reportWarning(
"feConvolveMatrix: problem parsing edgeMode=\"" + value
+ "\". Filtered element will not be displayed.");
return;
}
if (name == SVGNames::kernelMatrixAttr) {
SVGNumberList newList;
newList.parse(value);
detachAnimatedKernelMatrixListWrappers(newList.size());
setKernelMatrixBaseValue(newList);
return;
}
if (name == SVGNames::divisorAttr) {
float divisor = value.toFloat();
if (divisor)
setDivisorBaseValue(divisor);
else
document().accessSVGExtensions()->reportWarning(
"feConvolveMatrix: problem parsing divisor=\"" + value
+ "\". Filtered element will not be displayed.");
return;
}
if (name == SVGNames::biasAttr) {
setBiasBaseValue(value.toFloat());
return;
}
if (name == SVGNames::targetXAttr) {
setTargetXBaseValue(value.string().toUIntStrict());
return;
}
if (name == SVGNames::targetYAttr) {
setTargetYBaseValue(value.string().toUIntStrict());
return;
}
if (name == SVGNames::kernelUnitLengthAttr) {
float x, y;
if (parseNumberOptionalNumber(value, x, y) && x > 0 && y > 0) {
setKernelUnitLengthXBaseValue(x);
setKernelUnitLengthYBaseValue(y);
} else
document().accessSVGExtensions()->reportWarning(
"feConvolveMatrix: problem parsing kernelUnitLength=\"" + value
+ "\". Filtered element will not be displayed.");
return;
}
if (name == SVGNames::preserveAlphaAttr) {
if (value == "true")
setPreserveAlphaBaseValue(true);
else if (value == "false")
setPreserveAlphaBaseValue(false);
else
document().accessSVGExtensions()->reportWarning(
"feConvolveMatrix: problem parsing preserveAlphaAttr=\"" + value
+ "\". Filtered element will not be displayed.");
return;
}
ASSERT_NOT_REACHED();
}
