GridPosition StyleBuilderConverter::convertGridPosition(StyleResolverState&, CSSValue* value)
{
// We accept the specification's grammar:
// 'auto' | [ <integer> || <custom-ident> ] | [ span && [ <integer> || <custom-ident> ] ] | <custom-ident>
GridPosition position;
if (value->isPrimitiveValue()) {
CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
// We translate <custom-ident> to <string> during parsing as it
// makes handling it more simple.
if (primitiveValue->isString()) {
position.setNamedGridArea(primitiveValue->getStringValue());
return position;
}
ASSERT(primitiveValue->getValueID() == CSSValueAuto);
return position;
}
CSSValueList* values = toCSSValueList(value);
ASSERT(values->length());
bool isSpanPosition = false;
// The specification makes the <integer> optional, in which case it default to '1'.
int gridLineNumber = 1;
String gridLineName;
CSSValueListIterator it = values;
CSSPrimitiveValue* currentValue = toCSSPrimitiveValue(it.value());
if (currentValue->getValueID() == CSSValueSpan) {
isSpanPosition = true;
it.advance();
currentValue = it.hasMore() ? toCSSPrimitiveValue(it.value()) : 0;
}
if (currentValue && currentValue->isNumber()) {
gridLineNumber = currentValue->getIntValue();
it.advance();
currentValue = it.hasMore() ? toCSSPrimitiveValue(it.value()) : 0;
}
if (currentValue && currentValue->isString()) {
gridLineName = currentValue->getStringValue();
it.advance();
}
ASSERT(!it.hasMore());
if (isSpanPosition)
position.setSpanPosition(gridLineNumber, gridLineName);
else
position.setExplicitPosition(gridLineNumber, gridLineName);
return position;
}
bool StyleBuilderConverter::convertGridTrackList(CSSValue* value, Vector<GridTrackSize>& trackSizes, NamedGridLinesMap& namedGridLines, OrderedNamedGridLines& orderedNamedGridLines, StyleResolverState& state)
{
// Handle 'none'.
if (value->isPrimitiveValue()) {
CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
return primitiveValue->getValueID() == CSSValueNone;
}
if (!value->isValueList())
return false;
size_t currentNamedGridLine = 0;
for (CSSValueListIterator i = value; i.hasMore(); i.advance()) {
CSSValue* currValue = i.value();
if (currValue->isGridLineNamesValue()) {
CSSGridLineNamesValue* lineNamesValue = toCSSGridLineNamesValue(currValue);
for (CSSValueListIterator j = lineNamesValue; j.hasMore(); j.advance()) {
String namedGridLine = toCSSPrimitiveValue(j.value())->getStringValue();
NamedGridLinesMap::AddResult result = namedGridLines.add(namedGridLine, Vector<size_t>());
result.storedValue->value.append(currentNamedGridLine);
OrderedNamedGridLines::AddResult orderedInsertionResult = orderedNamedGridLines.add(currentNamedGridLine, Vector<String>());
orderedInsertionResult.storedValue->value.append(namedGridLine);
}
continue;
}
++currentNamedGridLine;
trackSizes.append(convertGridTrackSize(state, currValue));
}
// The parser should have rejected any <track-list> without any <track-size> as
// this is not conformant to the syntax.
ASSERT(!trackSizes.isEmpty());
return true;
}
// FIXME: I am not convinced FontBuilder needs to know anything about CSSValues.
void FontBuilder::setFontFamilyValue(CSSValue* value, float effectiveZoom)
{
FontDescriptionChangeScope scope(this);
if (!value->isValueList())
return;
FontFamily& firstFamily = scope.fontDescription().firstFamily();
FontFamily* currFamily = 0;
// Before mapping in a new font-family property, we should reset the generic family.
bool oldFamilyUsedFixedDefaultSize = scope.fontDescription().useFixedDefaultSize();
scope.fontDescription().setGenericFamily(FontDescription::NoFamily);
for (CSSValueListIterator i = value; i.hasMore(); i.advance()) {
CSSValue* item = i.value();
if (!item->isPrimitiveValue())
continue;
CSSPrimitiveValue* contentValue = toCSSPrimitiveValue(item);
AtomicString face;
Settings* settings = m_document->settings();
if (contentValue->isString()) {
face = contentValue->getStringValue();
} else if (settings) {
switch (contentValue->getValueID()) {
case CSSValueWebkitBody:
face = settings->standardFontFamily();
break;
case CSSValueSerif:
face = FontFamilyNames::webkit_serif;
scope.fontDescription().setGenericFamily(FontDescription::SerifFamily);
break;
case CSSValueSansSerif:
face = FontFamilyNames::webkit_sans_serif;
scope.fontDescription().setGenericFamily(FontDescription::SansSerifFamily);
break;
case CSSValueCursive:
face = FontFamilyNames::webkit_cursive;
scope.fontDescription().setGenericFamily(FontDescription::CursiveFamily);
break;
case CSSValueFantasy:
face = FontFamilyNames::webkit_fantasy;
scope.fontDescription().setGenericFamily(FontDescription::FantasyFamily);
break;
case CSSValueMonospace:
face = FontFamilyNames::webkit_monospace;
scope.fontDescription().setGenericFamily(FontDescription::MonospaceFamily);
break;
case CSSValueWebkitPictograph:
face = FontFamilyNames::webkit_pictograph;
scope.fontDescription().setGenericFamily(FontDescription::PictographFamily);
break;
default:
break;
}
}
if (!face.isEmpty()) {
if (!currFamily) {
// Filling in the first family.
firstFamily.setFamily(face);
firstFamily.appendFamily(0); // Remove any inherited family-fallback list.
currFamily = &firstFamily;
scope.fontDescription().setIsSpecifiedFont(scope.fontDescription().genericFamily() == FontDescription::NoFamily);
} else {
RefPtr<SharedFontFamily> newFamily = SharedFontFamily::create();
newFamily->setFamily(face);
currFamily->appendFamily(newFamily);
currFamily = newFamily.get();
}
}
}
// We can't call useFixedDefaultSize() until all new font families have been added
// If currFamily is non-zero then we set at least one family on this description.
if (!currFamily)
return;
if (scope.fontDescription().keywordSize() && scope.fontDescription().useFixedDefaultSize() != oldFamilyUsedFixedDefaultSize)
setSize(scope.fontDescription(), effectiveZoom, FontSize::fontSizeForKeyword(m_document, CSSValueXxSmall + scope.fontDescription().keywordSize() - 1, !oldFamilyUsedFixedDefaultSize));
}
bool TransformBuilder::createTransformOperations(CSSValue* inValue, RenderStyle* style, RenderStyle* rootStyle, TransformOperations& outOperations)
{
if (!inValue || !inValue->isValueList()) {
outOperations.clear();
return false;
}
float zoomFactor = style ? style->effectiveZoom() : 1;
TransformOperations operations;
for (CSSValueListIterator i = inValue; i.hasMore(); i.advance()) {
CSSValue* currValue = i.value();
if (!currValue->isCSSTransformValue())
continue;
CSSTransformValue* transformValue = static_cast<CSSTransformValue*>(i.value());
if (!transformValue->length())
continue;
bool haveNonPrimitiveValue = false;
for (unsigned j = 0; j < transformValue->length(); ++j) {
if (!transformValue->itemWithoutBoundsCheck(j)->isPrimitiveValue()) {
haveNonPrimitiveValue = true;
break;
}
}
if (haveNonPrimitiveValue)
continue;
CSSPrimitiveValue* firstValue = toCSSPrimitiveValue(transformValue->itemWithoutBoundsCheck(0));
switch (transformValue->operationType()) {
case CSSTransformValue::ScaleTransformOperation:
case CSSTransformValue::ScaleXTransformOperation:
case CSSTransformValue::ScaleYTransformOperation: {
double sx = 1.0;
double sy = 1.0;
if (transformValue->operationType() == CSSTransformValue::ScaleYTransformOperation)
sy = firstValue->getDoubleValue();
else {
sx = firstValue->getDoubleValue();
if (transformValue->operationType() != CSSTransformValue::ScaleXTransformOperation) {
if (transformValue->length() > 1) {
CSSPrimitiveValue* secondValue = toCSSPrimitiveValue(transformValue->itemWithoutBoundsCheck(1));
sy = secondValue->getDoubleValue();
} else
sy = sx;
}
}
operations.operations().append(ScaleTransformOperation::create(sx, sy, 1.0, getTransformOperationType(transformValue->operationType())));
break;
}
case CSSTransformValue::ScaleZTransformOperation:
case CSSTransformValue::Scale3DTransformOperation: {
double sx = 1.0;
double sy = 1.0;
double sz = 1.0;
if (transformValue->operationType() == CSSTransformValue::ScaleZTransformOperation)
sz = firstValue->getDoubleValue();
else if (transformValue->operationType() == CSSTransformValue::ScaleYTransformOperation)
sy = firstValue->getDoubleValue();
else {
sx = firstValue->getDoubleValue();
if (transformValue->operationType() != CSSTransformValue::ScaleXTransformOperation) {
if (transformValue->length() > 2) {
CSSPrimitiveValue* thirdValue = toCSSPrimitiveValue(transformValue->itemWithoutBoundsCheck(2));
sz = thirdValue->getDoubleValue();
}
if (transformValue->length() > 1) {
CSSPrimitiveValue* secondValue = toCSSPrimitiveValue(transformValue->itemWithoutBoundsCheck(1));
sy = secondValue->getDoubleValue();
} else
sy = sx;
}
}
operations.operations().append(ScaleTransformOperation::create(sx, sy, sz, getTransformOperationType(transformValue->operationType())));
break;
}
case CSSTransformValue::TranslateTransformOperation:
case CSSTransformValue::TranslateXTransformOperation:
case CSSTransformValue::TranslateYTransformOperation: {
Length tx = Length(0, Fixed);
Length ty = Length(0, Fixed);
if (transformValue->operationType() == CSSTransformValue::TranslateYTransformOperation)
ty = convertToFloatLength(firstValue, style, rootStyle, zoomFactor);
else {
tx = convertToFloatLength(firstValue, style, rootStyle, zoomFactor);
if (transformValue->operationType() != CSSTransformValue::TranslateXTransformOperation) {
if (transformValue->length() > 1) {
CSSPrimitiveValue* secondValue = toCSSPrimitiveValue(transformValue->itemWithoutBoundsCheck(1));
ty = convertToFloatLength(secondValue, style, rootStyle, zoomFactor);
}
}
}
if (tx.isUndefined() || ty.isUndefined())
return false;
operations.operations().append(TranslateTransformOperation::create(tx, ty, Length(0, Fixed), getTransformOperationType(transformValue->operationType())));
break;
}
case CSSTransformValue::TranslateZTransformOperation:
case CSSTransformValue::Translate3DTransformOperation: {
Length tx = Length(0, Fixed);
Length ty = Length(0, Fixed);
Length tz = Length(0, Fixed);
if (transformValue->operationType() == CSSTransformValue::TranslateZTransformOperation)
tz = convertToFloatLength(firstValue, style, rootStyle, zoomFactor);
else if (transformValue->operationType() == CSSTransformValue::TranslateYTransformOperation)
ty = convertToFloatLength(firstValue, style, rootStyle, zoomFactor);
else {
tx = convertToFloatLength(firstValue, style, rootStyle, zoomFactor);
if (transformValue->operationType() != CSSTransformValue::TranslateXTransformOperation) {
if (transformValue->length() > 2) {
CSSPrimitiveValue* thirdValue = toCSSPrimitiveValue(transformValue->itemWithoutBoundsCheck(2));
tz = convertToFloatLength(thirdValue, style, rootStyle, zoomFactor);
}
if (transformValue->length() > 1) {
CSSPrimitiveValue* secondValue = toCSSPrimitiveValue(transformValue->itemWithoutBoundsCheck(1));
ty = convertToFloatLength(secondValue, style, rootStyle, zoomFactor);
}
}
}
if (tx.isUndefined() || ty.isUndefined() || tz.isUndefined())
return false;
operations.operations().append(TranslateTransformOperation::create(tx, ty, tz, getTransformOperationType(transformValue->operationType())));
break;
}
case CSSTransformValue::RotateTransformOperation: {
double angle = firstValue->computeDegrees();
operations.operations().append(RotateTransformOperation::create(0, 0, 1, angle, getTransformOperationType(transformValue->operationType())));
break;
}
case CSSTransformValue::RotateXTransformOperation:
case CSSTransformValue::RotateYTransformOperation:
case CSSTransformValue::RotateZTransformOperation: {
double x = 0;
double y = 0;
double z = 0;
double angle = firstValue->computeDegrees();
if (transformValue->operationType() == CSSTransformValue::RotateXTransformOperation)
x = 1;
else if (transformValue->operationType() == CSSTransformValue::RotateYTransformOperation)
y = 1;
else
z = 1;
operations.operations().append(RotateTransformOperation::create(x, y, z, angle, getTransformOperationType(transformValue->operationType())));
break;
}
case CSSTransformValue::Rotate3DTransformOperation: {
if (transformValue->length() < 4)
break;
CSSPrimitiveValue* secondValue = toCSSPrimitiveValue(transformValue->itemWithoutBoundsCheck(1));
CSSPrimitiveValue* thirdValue = toCSSPrimitiveValue(transformValue->itemWithoutBoundsCheck(2));
CSSPrimitiveValue* fourthValue = toCSSPrimitiveValue(transformValue->itemWithoutBoundsCheck(3));
double x = firstValue->getDoubleValue();
double y = secondValue->getDoubleValue();
double z = thirdValue->getDoubleValue();
double angle = fourthValue->computeDegrees();
operations.operations().append(RotateTransformOperation::create(x, y, z, angle, getTransformOperationType(transformValue->operationType())));
break;
}
case CSSTransformValue::SkewTransformOperation:
case CSSTransformValue::SkewXTransformOperation:
case CSSTransformValue::SkewYTransformOperation: {
double angleX = 0;
double angleY = 0;
double angle = firstValue->computeDegrees();
if (transformValue->operationType() == CSSTransformValue::SkewYTransformOperation)
angleY = angle;
else {
angleX = angle;
if (transformValue->operationType() == CSSTransformValue::SkewTransformOperation) {
if (transformValue->length() > 1) {
CSSPrimitiveValue* secondValue = toCSSPrimitiveValue(transformValue->itemWithoutBoundsCheck(1));
angleY = secondValue->computeDegrees();
}
}
}
operations.operations().append(SkewTransformOperation::create(angleX, angleY, getTransformOperationType(transformValue->operationType())));
break;
}
case CSSTransformValue::MatrixTransformOperation: {
if (transformValue->length() < 6)
break;
double a = firstValue->getDoubleValue();
double b = toCSSPrimitiveValue(transformValue->itemWithoutBoundsCheck(1))->getDoubleValue();
double c = toCSSPrimitiveValue(transformValue->itemWithoutBoundsCheck(2))->getDoubleValue();
double d = toCSSPrimitiveValue(transformValue->itemWithoutBoundsCheck(3))->getDoubleValue();
double e = zoomFactor * toCSSPrimitiveValue(transformValue->itemWithoutBoundsCheck(4))->getDoubleValue();
double f = zoomFactor * toCSSPrimitiveValue(transformValue->itemWithoutBoundsCheck(5))->getDoubleValue();
operations.operations().append(MatrixTransformOperation::create(a, b, c, d, e, f));
break;
}
case CSSTransformValue::Matrix3DTransformOperation: {
if (transformValue->length() < 16)
break;
TransformationMatrix matrix(toCSSPrimitiveValue(transformValue->itemWithoutBoundsCheck(0))->getDoubleValue(),
toCSSPrimitiveValue(transformValue->itemWithoutBoundsCheck(1))->getDoubleValue(),
toCSSPrimitiveValue(transformValue->itemWithoutBoundsCheck(2))->getDoubleValue(),
toCSSPrimitiveValue(transformValue->itemWithoutBoundsCheck(3))->getDoubleValue(),
toCSSPrimitiveValue(transformValue->itemWithoutBoundsCheck(4))->getDoubleValue(),
toCSSPrimitiveValue(transformValue->itemWithoutBoundsCheck(5))->getDoubleValue(),
toCSSPrimitiveValue(transformValue->itemWithoutBoundsCheck(6))->getDoubleValue(),
toCSSPrimitiveValue(transformValue->itemWithoutBoundsCheck(7))->getDoubleValue(),
toCSSPrimitiveValue(transformValue->itemWithoutBoundsCheck(8))->getDoubleValue(),
toCSSPrimitiveValue(transformValue->itemWithoutBoundsCheck(9))->getDoubleValue(),
toCSSPrimitiveValue(transformValue->itemWithoutBoundsCheck(10))->getDoubleValue(),
toCSSPrimitiveValue(transformValue->itemWithoutBoundsCheck(11))->getDoubleValue(),
zoomFactor * toCSSPrimitiveValue(transformValue->itemWithoutBoundsCheck(12))->getDoubleValue(),
zoomFactor * toCSSPrimitiveValue(transformValue->itemWithoutBoundsCheck(13))->getDoubleValue(),
toCSSPrimitiveValue(transformValue->itemWithoutBoundsCheck(14))->getDoubleValue(),
toCSSPrimitiveValue(transformValue->itemWithoutBoundsCheck(15))->getDoubleValue());
operations.operations().append(Matrix3DTransformOperation::create(matrix));
break;
}
case CSSTransformValue::PerspectiveTransformOperation: {
Length p = Length(0, Fixed);
if (firstValue->isLength())
p = convertToFloatLength(firstValue, style, rootStyle, zoomFactor);
else {
// This is a quirk that should go away when 3d transforms are finalized.
double val = firstValue->getDoubleValue();
p = val >= 0 ? Length(clampToPositiveInteger(val), Fixed) : Length(Undefined);
}
if (p.isUndefined())
return false;
operations.operations().append(PerspectiveTransformOperation::create(p));
break;
}
case CSSTransformValue::UnknownTransformOperation:
ASSERT_NOT_REACHED();
break;
}
}
outOperations = operations;
return true;
}
bool FilterOperationResolver::createFilterOperations(CSSValue* inValue, const CSSToLengthConversionData& unadjustedConversionData, FilterOperations& outOperations, StyleResolverState& state)
{
ASSERT(outOperations.isEmpty());
if (!inValue)
return false;
if (inValue->isPrimitiveValue()) {
CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(inValue);
if (primitiveValue->getValueID() == CSSValueNone)
return true;
}
if (!inValue->isValueList())
return false;
float zoomFactor = unadjustedConversionData.zoom() * state.elementStyleResources().deviceScaleFactor();
const CSSToLengthConversionData& conversionData = unadjustedConversionData.copyWithAdjustedZoom(zoomFactor);
FilterOperations operations;
for (CSSValueListIterator i = inValue; i.hasMore(); i.advance()) {
CSSValue* currValue = i.value();
if (!currValue->isFilterValue())
continue;
CSSFilterValue* filterValue = toCSSFilterValue(i.value());
FilterOperation::OperationType operationType = filterOperationForType(filterValue->operationType());
if (operationType == FilterOperation::VALIDATED_CUSTOM) {
// ValidatedCustomFilterOperation is not supposed to end up in the RenderStyle.
ASSERT_NOT_REACHED();
continue;
}
if (operationType == FilterOperation::CUSTOM) {
RefPtr<CustomFilterOperation> operation = createCustomFilterOperation(filterValue, state);
if (!operation)
return false;
operations.operations().append(operation);
continue;
}
if (operationType == FilterOperation::REFERENCE) {
if (filterValue->length() != 1)
continue;
CSSValue* argument = filterValue->itemWithoutBoundsCheck(0);
if (!argument->isSVGDocumentValue())
continue;
CSSSVGDocumentValue* svgDocumentValue = toCSSSVGDocumentValue(argument);
KURL url = state.document().completeURL(svgDocumentValue->url());
RefPtr<ReferenceFilterOperation> operation = ReferenceFilterOperation::create(svgDocumentValue->url(), url.fragmentIdentifier());
if (SVGURIReference::isExternalURIReference(svgDocumentValue->url(), state.document())) {
if (!svgDocumentValue->loadRequested())
state.elementStyleResources().addPendingSVGDocument(operation.get(), svgDocumentValue);
else if (svgDocumentValue->cachedSVGDocument())
ReferenceFilterBuilder::setDocumentResourceReference(operation.get(), adoptPtr(new DocumentResourceReference(svgDocumentValue->cachedSVGDocument())));
}
operations.operations().append(operation);
continue;
}
// Check that all parameters are primitive values, with the
// exception of drop shadow which has a CSSShadowValue parameter.
if (operationType != FilterOperation::DROP_SHADOW) {
bool haveNonPrimitiveValue = false;
for (unsigned j = 0; j < filterValue->length(); ++j) {
if (!filterValue->itemWithoutBoundsCheck(j)->isPrimitiveValue()) {
haveNonPrimitiveValue = true;
break;
}
}
if (haveNonPrimitiveValue)
continue;
}
CSSPrimitiveValue* firstValue = filterValue->length() && filterValue->itemWithoutBoundsCheck(0)->isPrimitiveValue() ? toCSSPrimitiveValue(filterValue->itemWithoutBoundsCheck(0)) : 0;
switch (filterValue->operationType()) {
case CSSFilterValue::GrayscaleFilterOperation:
case CSSFilterValue::SepiaFilterOperation:
case CSSFilterValue::SaturateFilterOperation: {
double amount = 1;
if (filterValue->length() == 1) {
amount = firstValue->getDoubleValue();
if (firstValue->isPercentage())
amount /= 100;
}
operations.operations().append(BasicColorMatrixFilterOperation::create(amount, operationType));
break;
}
case CSSFilterValue::HueRotateFilterOperation: {
double angle = 0;
if (filterValue->length() == 1)
angle = firstValue->computeDegrees();
operations.operations().append(BasicColorMatrixFilterOperation::create(angle, operationType));
break;
}
case CSSFilterValue::InvertFilterOperation:
case CSSFilterValue::BrightnessFilterOperation:
case CSSFilterValue::ContrastFilterOperation:
case CSSFilterValue::OpacityFilterOperation: {
double amount = (filterValue->operationType() == CSSFilterValue::BrightnessFilterOperation) ? 0 : 1;
if (filterValue->length() == 1) {
amount = firstValue->getDoubleValue();
if (firstValue->isPercentage())
amount /= 100;
}
operations.operations().append(BasicComponentTransferFilterOperation::create(amount, operationType));
break;
}
case CSSFilterValue::BlurFilterOperation: {
Length stdDeviation = Length(0, Fixed);
if (filterValue->length() >= 1)
stdDeviation = firstValue->convertToLength<FixedConversion | PercentConversion>(conversionData);
if (stdDeviation.isUndefined())
return false;
operations.operations().append(BlurFilterOperation::create(stdDeviation));
break;
}
case CSSFilterValue::DropShadowFilterOperation: {
if (filterValue->length() != 1)
return false;
CSSValue* cssValue = filterValue->itemWithoutBoundsCheck(0);
if (!cssValue->isShadowValue())
continue;
CSSShadowValue* item = toCSSShadowValue(cssValue);
IntPoint location(item->x->computeLength<int>(conversionData), item->y->computeLength<int>(conversionData));
int blur = item->blur ? item->blur->computeLength<int>(conversionData) : 0;
Color shadowColor;
if (item->color)
shadowColor = state.document().textLinkColors().colorFromPrimitiveValue(item->color.get(), state.style()->color());
operations.operations().append(DropShadowFilterOperation::create(location, blur, shadowColor.isValid() ? shadowColor : Color::transparent));
break;
}
case CSSFilterValue::UnknownFilterOperation:
default:
ASSERT_NOT_REACHED();
break;
}
}
outOperations = operations;
return true;
}
bool TransformBuilder::createTransformOperations(CSSValue* inValue, const CSSToLengthConversionData& conversionData, TransformOperations& outOperations)
{
if (!inValue || !inValue->isValueList()) {
outOperations.clear();
return false;
}
TransformOperations operations;
for (CSSValueListIterator i = inValue; i.hasMore(); i.advance()) {
CSSValue* currValue = i.value();
if (!currValue->isTransformValue())
continue;
CSSTransformValue* transformValue = toCSSTransformValue(i.value());
if (!transformValue->length())
continue;
bool haveNonPrimitiveValue = false;
for (unsigned j = 0; j < transformValue->length(); ++j) {
if (!transformValue->item(j)->isPrimitiveValue()) {
haveNonPrimitiveValue = true;
break;
}
}
if (haveNonPrimitiveValue)
continue;
CSSPrimitiveValue* firstValue = toCSSPrimitiveValue(transformValue->item(0));
switch (transformValue->operationType()) {
case CSSTransformValue::ScaleTransformOperation:
case CSSTransformValue::ScaleXTransformOperation:
case CSSTransformValue::ScaleYTransformOperation: {
double sx = 1.0;
double sy = 1.0;
if (transformValue->operationType() == CSSTransformValue::ScaleYTransformOperation)
sy = firstValue->getDoubleValue();
else {
sx = firstValue->getDoubleValue();
if (transformValue->operationType() != CSSTransformValue::ScaleXTransformOperation) {
if (transformValue->length() > 1) {
CSSPrimitiveValue* secondValue = toCSSPrimitiveValue(transformValue->item(1));
sy = secondValue->getDoubleValue();
} else
sy = sx;
}
}
operations.operations().append(ScaleTransformOperation::create(sx, sy, 1.0, getTransformOperationType(transformValue->operationType())));
break;
}
case CSSTransformValue::ScaleZTransformOperation:
case CSSTransformValue::Scale3DTransformOperation: {
double sx = 1.0;
double sy = 1.0;
double sz = 1.0;
if (transformValue->operationType() == CSSTransformValue::ScaleZTransformOperation)
sz = firstValue->getDoubleValue();
else if (transformValue->operationType() == CSSTransformValue::ScaleYTransformOperation)
sy = firstValue->getDoubleValue();
else {
sx = firstValue->getDoubleValue();
if (transformValue->operationType() != CSSTransformValue::ScaleXTransformOperation) {
if (transformValue->length() > 2) {
CSSPrimitiveValue* thirdValue = toCSSPrimitiveValue(transformValue->item(2));
sz = thirdValue->getDoubleValue();
}
if (transformValue->length() > 1) {
CSSPrimitiveValue* secondValue = toCSSPrimitiveValue(transformValue->item(1));
sy = secondValue->getDoubleValue();
} else
sy = sx;
}
}
operations.operations().append(ScaleTransformOperation::create(sx, sy, sz, getTransformOperationType(transformValue->operationType())));
break;
}
case CSSTransformValue::TranslateTransformOperation:
case CSSTransformValue::TranslateXTransformOperation:
case CSSTransformValue::TranslateYTransformOperation: {
Length tx = Length(0, Fixed);
Length ty = Length(0, Fixed);
if (transformValue->operationType() == CSSTransformValue::TranslateYTransformOperation)
ty = convertToFloatLength(firstValue, conversionData);
else {
tx = convertToFloatLength(firstValue, conversionData);
if (transformValue->operationType() != CSSTransformValue::TranslateXTransformOperation) {
if (transformValue->length() > 1) {
CSSPrimitiveValue* secondValue = toCSSPrimitiveValue(transformValue->item(1));
ty = convertToFloatLength(secondValue, conversionData);
}
}
}
operations.operations().append(TranslateTransformOperation::create(tx, ty, 0, getTransformOperationType(transformValue->operationType())));
break;
}
case CSSTransformValue::TranslateZTransformOperation:
case CSSTransformValue::Translate3DTransformOperation: {
Length tx = Length(0, Fixed);
Length ty = Length(0, Fixed);
double tz = 0;
if (transformValue->operationType() == CSSTransformValue::TranslateZTransformOperation)
tz = firstValue->computeLength<double>(conversionData);
else if (transformValue->operationType() == CSSTransformValue::TranslateYTransformOperation)
ty = convertToFloatLength(firstValue, conversionData);
else {
tx = convertToFloatLength(firstValue, conversionData);
if (transformValue->operationType() != CSSTransformValue::TranslateXTransformOperation) {
if (transformValue->length() > 2) {
CSSPrimitiveValue* thirdValue = toCSSPrimitiveValue(transformValue->item(2));
tz = thirdValue->computeLength<double>(conversionData);
}
if (transformValue->length() > 1) {
CSSPrimitiveValue* secondValue = toCSSPrimitiveValue(transformValue->item(1));
ty = convertToFloatLength(secondValue, conversionData);
}
}
}
operations.operations().append(TranslateTransformOperation::create(tx, ty, tz, getTransformOperationType(transformValue->operationType())));
break;
}
case CSSTransformValue::RotateTransformOperation: {
double angle = firstValue->computeDegrees();
operations.operations().append(RotateTransformOperation::create(0, 0, 1, angle, getTransformOperationType(transformValue->operationType())));
break;
}
case CSSTransformValue::RotateXTransformOperation:
case CSSTransformValue::RotateYTransformOperation:
case CSSTransformValue::RotateZTransformOperation: {
double x = 0;
double y = 0;
double z = 0;
double angle = firstValue->computeDegrees();
if (transformValue->operationType() == CSSTransformValue::RotateXTransformOperation)
x = 1;
else if (transformValue->operationType() == CSSTransformValue::RotateYTransformOperation)
y = 1;
else
z = 1;
operations.operations().append(RotateTransformOperation::create(x, y, z, angle, getTransformOperationType(transformValue->operationType())));
break;
}
case CSSTransformValue::Rotate3DTransformOperation: {
if (transformValue->length() < 4)
break;
CSSPrimitiveValue* secondValue = toCSSPrimitiveValue(transformValue->item(1));
CSSPrimitiveValue* thirdValue = toCSSPrimitiveValue(transformValue->item(2));
CSSPrimitiveValue* fourthValue = toCSSPrimitiveValue(transformValue->item(3));
double x = firstValue->getDoubleValue();
double y = secondValue->getDoubleValue();
double z = thirdValue->getDoubleValue();
double angle = fourthValue->computeDegrees();
operations.operations().append(RotateTransformOperation::create(x, y, z, angle, getTransformOperationType(transformValue->operationType())));
break;
}
case CSSTransformValue::SkewTransformOperation:
case CSSTransformValue::SkewXTransformOperation:
case CSSTransformValue::SkewYTransformOperation: {
double angleX = 0;
double angleY = 0;
double angle = firstValue->computeDegrees();
if (transformValue->operationType() == CSSTransformValue::SkewYTransformOperation)
angleY = angle;
else {
angleX = angle;
if (transformValue->operationType() == CSSTransformValue::SkewTransformOperation) {
if (transformValue->length() > 1) {
CSSPrimitiveValue* secondValue = toCSSPrimitiveValue(transformValue->item(1));
angleY = secondValue->computeDegrees();
}
}
}
operations.operations().append(SkewTransformOperation::create(angleX, angleY, getTransformOperationType(transformValue->operationType())));
break;
}
case CSSTransformValue::MatrixTransformOperation: {
if (transformValue->length() < 6)
break;
double a = firstValue->getDoubleValue();
double b = toCSSPrimitiveValue(transformValue->item(1))->getDoubleValue();
double c = toCSSPrimitiveValue(transformValue->item(2))->getDoubleValue();
double d = toCSSPrimitiveValue(transformValue->item(3))->getDoubleValue();
double e = toCSSPrimitiveValue(transformValue->item(4))->getDoubleValue();
double f = toCSSPrimitiveValue(transformValue->item(5))->getDoubleValue();
operations.operations().append(MatrixTransformOperation::create(a, b, c, d, e, f));
break;
}
case CSSTransformValue::Matrix3DTransformOperation: {
if (transformValue->length() < 16)
break;
TransformationMatrix matrix(toCSSPrimitiveValue(transformValue->item(0))->getDoubleValue(),
toCSSPrimitiveValue(transformValue->item(1))->getDoubleValue(),
toCSSPrimitiveValue(transformValue->item(2))->getDoubleValue(),
toCSSPrimitiveValue(transformValue->item(3))->getDoubleValue(),
toCSSPrimitiveValue(transformValue->item(4))->getDoubleValue(),
toCSSPrimitiveValue(transformValue->item(5))->getDoubleValue(),
toCSSPrimitiveValue(transformValue->item(6))->getDoubleValue(),
toCSSPrimitiveValue(transformValue->item(7))->getDoubleValue(),
toCSSPrimitiveValue(transformValue->item(8))->getDoubleValue(),
toCSSPrimitiveValue(transformValue->item(9))->getDoubleValue(),
toCSSPrimitiveValue(transformValue->item(10))->getDoubleValue(),
toCSSPrimitiveValue(transformValue->item(11))->getDoubleValue(),
toCSSPrimitiveValue(transformValue->item(12))->getDoubleValue(),
toCSSPrimitiveValue(transformValue->item(13))->getDoubleValue(),
toCSSPrimitiveValue(transformValue->item(14))->getDoubleValue(),
toCSSPrimitiveValue(transformValue->item(15))->getDoubleValue());
operations.operations().append(Matrix3DTransformOperation::create(matrix));
break;
}
case CSSTransformValue::PerspectiveTransformOperation: {
double p;
if (firstValue->isLength())
p = firstValue->computeLength<double>(conversionData);
else {
// This is a quirk that should go away when 3d transforms are finalized.
double val = firstValue->getDoubleValue();
if (val < 0)
return false;
p = clampToPositiveInteger(val);
}
operations.operations().append(PerspectiveTransformOperation::create(p));
break;
}
case CSSTransformValue::UnknownTransformOperation:
ASSERT_NOT_REACHED();
break;
}
}
outOperations = operations;
return true;
}
