void WebKitCSSMatrix::setMatrixValue(const String& string, ExceptionCode& ec)
{
CSSParser p(useStrictParsing());
RefPtr<CSSMutableStyleDeclaration> styleDeclaration = CSSMutableStyleDeclaration::create();
if (p.parseValue(styleDeclaration.get(), CSSPropertyWebkitTransform, string, true)) {
// Convert to TransformOperations. This can fail if a property
// requires style (i.e., param uses 'ems' or 'exs')
PassRefPtr<CSSValue> val = styleDeclaration->getPropertyCSSValue(CSSPropertyWebkitTransform);
TransformOperations operations;
if (!CSSStyleSelector::createTransformOperations(val.get(), 0, operations)) {
ec = SYNTAX_ERR;
return;
}
// Convert transform operations to a TransformationMatrix. This can fail
// if a param has a percentage ('%')
TransformationMatrix t;
for (unsigned i = 0; i < operations.operations().size(); ++i) {
if (operations.operations()[i].get()->apply(t, IntSize(0, 0))) {
ec = SYNTAX_ERR;
return;
}
}
// set the matrix
m_matrix = t;
} else if (!string.isEmpty()) // There is something there but parsing failed
ec = SYNTAX_ERR;
}
void WebKitCSSMatrix::setMatrixValue(const String& string, ExceptionCode& ec)
{
RefPtr<CSSMutableStyleDeclaration> styleDeclaration = CSSMutableStyleDeclaration::create();
if (CSSParser::parseValue(styleDeclaration.get(), CSSPropertyWebkitTransform, string, true, true)) {
// Convert to TransformOperations. This can fail if a property
// requires style (i.e., param uses 'ems' or 'exs')
RefPtr<CSSValue> value = styleDeclaration->getPropertyCSSValue(CSSPropertyWebkitTransform);
// Check for a "none" or empty transform. In these cases we can use the default identity matrix.
if (!value || (value->isPrimitiveValue() && (static_cast<CSSPrimitiveValue*>(value.get()))->getIdent() == CSSValueNone))
return;
TransformOperations operations;
if (!CSSStyleSelector::createTransformOperations(value.get(), 0, 0, operations)) {
ec = SYNTAX_ERR;
return;
}
// Convert transform operations to a TransformationMatrix. This can fail
// if a param has a percentage ('%')
TransformationMatrix t;
for (unsigned i = 0; i < operations.operations().size(); ++i) {
if (operations.operations()[i].get()->apply(t, IntSize(0, 0))) {
ec = SYNTAX_ERR;
return;
}
}
// set the matrix
m_matrix = t;
} else if (!string.isEmpty()) // There is something there but parsing failed
ec = SYNTAX_ERR;
}
Vector<RefPtr<TransformOperation>> concat(const TransformOperations& a,
const TransformOperations& b) {
Vector<RefPtr<TransformOperation>> result;
result.reserveCapacity(a.size() + b.size());
result.appendVector(a.operations());
result.appendVector(b.operations());
return result;
}
bool TransformOperations::operationsMatch(const TransformOperations& other) const
{
size_t numOperations = operations().size();
// If the sizes of the function lists don't match, the lists don't match
if (numOperations != other.operations().size())
return false;
// If the types of each function are not the same, the lists don't match
for (size_t i = 0; i < numOperations; ++i) {
if (!operations()[i]->isSameType(*other.operations()[i]))
return false;
}
return true;
}
PassRefPtr<TransformOperation> InterpolatedTransformOperation::blend(const TransformOperation* from, double progress, bool blendToIdentity)
{
if (from && !from->isSameType(*this))
return this;
TransformOperations thisOperations;
thisOperations.operations().append(this);
TransformOperations fromOperations;
if (blendToIdentity)
fromOperations.operations().append(IdentityTransformOperation::create());
else
fromOperations.operations().append(const_cast<TransformOperation*>(from));
return InterpolatedTransformOperation::create(thisOperations, fromOperations, progress);
}
TEST(AnimationTranslationUtilTest, transformsWork)
{
TransformOperations ops;
WebTransformOperationsMock outOps;
EXPECT_CALL(outOps, appendTranslate(2, 0, 0));
EXPECT_CALL(outOps, appendRotate(0.1, 0.2, 0.3, 200000.4));
EXPECT_CALL(outOps, appendScale(50.2, 100, -4));
ops.operations().append(TranslateTransformOperation::create(Length(2, Fixed), Length(0, Fixed), TransformOperation::TranslateX));
ops.operations().append(RotateTransformOperation::create(0.1, 0.2, 0.3, 200000.4, TransformOperation::Rotate3D));
ops.operations().append(ScaleTransformOperation::create(50.2, 100, -4, TransformOperation::Scale3D));
toWebTransformOperations(ops, &outOps);
}
ExceptionOr<void> WebKitCSSMatrix::setMatrixValue(const String& string)
{
if (string.isEmpty())
return { };
auto styleDeclaration = MutableStyleProperties::create();
if (CSSParser::parseValue(styleDeclaration, CSSPropertyTransform, string, true, HTMLStandardMode) == CSSParser::ParseResult::Error)
return Exception { SYNTAX_ERR };
// Convert to TransformOperations. This can fail if a property requires style (i.e., param uses 'ems' or 'exs')
auto value = styleDeclaration->getPropertyCSSValue(CSSPropertyTransform);
// Check for a "none" or empty transform. In these cases we can use the default identity matrix.
if (!value || (is<CSSPrimitiveValue>(*value) && downcast<CSSPrimitiveValue>(*value).valueID() == CSSValueNone))
return { };
TransformOperations operations;
if (!transformsForValue(*value, CSSToLengthConversionData(), operations))
return Exception { SYNTAX_ERR };
// Convert transform operations to a TransformationMatrix. This can fail if a parameter has a percentage ('%').
TransformationMatrix matrix;
for (auto& operation : operations.operations()) {
if (operation->apply(matrix, IntSize(0, 0)))
return Exception { SYNTAX_ERR };
}
m_matrix = matrix;
return { };
}
static PassRefPtr<AnimatableValue> createFromTransformProperties(
PassRefPtr<TransformOperation> transform,
double zoom,
PassRefPtr<TransformOperation> initialTransform) {
TransformOperations operation;
operation.operations().push_back(transform ? transform : initialTransform);
return AnimatableTransform::create(operation, transform ? zoom : 1);
}
TEST_F(AnimationCompositorAnimationsTest, isNotCandidateForCompositorAnimationTransformDependsOnBoxSize)
{
TransformOperations ops;
ops.operations().append(TranslateTransformOperation::create(Length(2, Fixed), Length(2, Fixed), TransformOperation::TranslateX));
RefPtr<AnimatableValueKeyframe> goodKeyframe = createReplaceOpKeyframe(CSSPropertyTransform, AnimatableTransform::create(ops).get());
EXPECT_TRUE(duplicateSingleKeyframeAndTestIsCandidateOnResult(goodKeyframe.get()));
ops.operations().append(TranslateTransformOperation::create(Length(50, Percent), Length(2, Fixed), TransformOperation::TranslateX));
RefPtr<AnimatableValueKeyframe> badKeyframe = createReplaceOpKeyframe(CSSPropertyTransform, AnimatableTransform::create(ops).get());
EXPECT_FALSE(duplicateSingleKeyframeAndTestIsCandidateOnResult(badKeyframe.get()));
TransformOperations ops2;
Length calcLength = Length(100, Percent).blend(Length(100, Fixed), 0.5, ValueRangeAll);
ops2.operations().append(TranslateTransformOperation::create(calcLength, Length(0, Fixed), TransformOperation::TranslateX));
RefPtr<AnimatableValueKeyframe> badKeyframe2 = createReplaceOpKeyframe(CSSPropertyTransform, AnimatableTransform::create(ops2).get());
EXPECT_FALSE(duplicateSingleKeyframeAndTestIsCandidateOnResult(badKeyframe2.get()));
}
PassRefPtr<CSSTransformNonInterpolableValue> composite(
const CSSTransformNonInterpolableValue& other,
double otherProgress) {
DCHECK(!isAdditive());
if (other.m_isSingle) {
DCHECK_EQ(otherProgress, 0);
DCHECK(other.isAdditive());
TransformOperations result;
result.operations() = concat(transform(), other.transform());
return create(std::move(result));
}
DCHECK(other.m_isStartAdditive || other.m_isEndAdditive);
TransformOperations start;
start.operations() = other.m_isStartAdditive
? concat(transform(), other.m_start)
: other.m_start.operations();
TransformOperations end;
end.operations() = other.m_isEndAdditive ? concat(transform(), other.m_end)
: other.m_end.operations();
return create(end.blend(start, otherProgress));
}
TransformOperations TransformOperations::blendByMatchingOperations(const TransformOperations& from, const double& progress) const
{
TransformOperations result;
unsigned fromSize = from.operations().size();
unsigned toSize = operations().size();
unsigned size = max(fromSize, toSize);
for (unsigned i = 0; i < size; i++) {
RefPtr<TransformOperation> fromOperation = (i < fromSize) ? from.operations()[i].get() : 0;
RefPtr<TransformOperation> toOperation = (i < toSize) ? operations()[i].get() : 0;
RefPtr<TransformOperation> blendedOperation = toOperation ? toOperation->blend(fromOperation.get(), progress) : (fromOperation ? fromOperation->blend(0, progress, true) : 0);
if (blendedOperation)
result.operations().append(blendedOperation);
else {
RefPtr<TransformOperation> identityOperation = IdentityTransformOperation::create();
if (progress > 0.5)
result.operations().append(toOperation ? toOperation : identityOperation);
else
result.operations().append(fromOperation ? fromOperation : identityOperation);
}
}
return result;
}
TransformOperations TransformOperations::blendByUsingMatrixInterpolation(const TransformOperations& from, double progress, const LayoutSize& size) const
{
TransformOperations result;
// Convert the TransformOperations into matrices
TransformationMatrix fromTransform;
TransformationMatrix toTransform;
from.apply(size, fromTransform);
apply(size, toTransform);
toTransform.blend(fromTransform, progress);
// Append the result
result.operations().append(Matrix3DTransformOperation::create(toTransform));
return result;
}
bool ArgumentCoder<TransformOperations>::decode(ArgumentDecoder* decoder, TransformOperations& transformOperations)
{
uint32_t operationsSize;
if (!decoder->decodeUInt32(operationsSize))
return false;
for (size_t i = 0; i < operationsSize; ++i) {
TransformOperation::OperationType operationType;
if (!decoder->decodeEnum(operationType))
return false;
switch (operationType) {
case TransformOperation::SCALE_X:
case TransformOperation::SCALE_Y:
case TransformOperation::SCALE:
case TransformOperation::SCALE_Z:
case TransformOperation::SCALE_3D: {
double x, y, z;
if (!decoder->decode(x))
return false;
if (!decoder->decode(y))
return false;
if (!decoder->decode(z))
return false;
transformOperations.operations().append(ScaleTransformOperation::create(x, y, z, operationType));
break;
}
case TransformOperation::TRANSLATE_X:
case TransformOperation::TRANSLATE_Y:
case TransformOperation::TRANSLATE:
case TransformOperation::TRANSLATE_Z:
case TransformOperation::TRANSLATE_3D: {
Length x, y, z;
if (!ArgumentCoder<Length>::decode(decoder, x))
return false;
if (!ArgumentCoder<Length>::decode(decoder, y))
return false;
if (!ArgumentCoder<Length>::decode(decoder, z))
return false;
transformOperations.operations().append(TranslateTransformOperation::create(x, y, z, operationType));
break;
}
case TransformOperation::ROTATE:
case TransformOperation::ROTATE_X:
case TransformOperation::ROTATE_Y:
case TransformOperation::ROTATE_3D: {
double x, y, z, angle;
if (!decoder->decode(x))
return false;
if (!decoder->decode(y))
return false;
if (!decoder->decode(z))
return false;
if (!decoder->decode(angle))
return false;
transformOperations.operations().append(RotateTransformOperation::create(x, y, z, angle, operationType));
break;
}
case TransformOperation::SKEW_X:
case TransformOperation::SKEW_Y:
case TransformOperation::SKEW: {
double angleX, angleY;
if (!decoder->decode(angleX))
return false;
if (!decoder->decode(angleY))
return false;
transformOperations.operations().append(SkewTransformOperation::create(angleX, angleY, operationType));
break;
}
case TransformOperation::MATRIX: {
TransformationMatrix matrix;
if (!ArgumentCoder<TransformationMatrix>::decode(decoder, matrix))
return false;
transformOperations.operations().append(MatrixTransformOperation::create(matrix));
break;
}
case TransformOperation::MATRIX_3D: {
TransformationMatrix matrix;
if (!ArgumentCoder<TransformationMatrix>::decode(decoder, matrix))
return false;
transformOperations.operations().append(Matrix3DTransformOperation::create(matrix));
break;
}
case TransformOperation::PERSPECTIVE: {
Length perspective;
if (!ArgumentCoder<Length>::decode(decoder, perspective))
return false;
transformOperations.operations().append(PerspectiveTransformOperation::create(perspective));
break;
}
case TransformOperation::IDENTITY:
transformOperations.operations().append(IdentityTransformOperation::create());
break;
case TransformOperation::NONE:
ASSERT_NOT_REACHED();
break;
}
}
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;
}
TransformOperations TransformBuilder::createTransformOperations(
const CSSValue& inValue,
const CSSToLengthConversionData& conversionData) {
TransformOperations operations;
if (!inValue.isValueList()) {
DCHECK_EQ(toCSSIdentifierValue(inValue).getValueID(), CSSValueNone);
return operations;
}
float zoomFactor = conversionData.zoom();
for (auto& value : toCSSValueList(inValue)) {
const CSSFunctionValue* transformValue = toCSSFunctionValue(value.get());
TransformOperation::OperationType transformType =
getTransformOperationType(transformValue->functionType());
const CSSPrimitiveValue& firstValue =
toCSSPrimitiveValue(transformValue->item(0));
switch (transformType) {
case TransformOperation::Scale:
case TransformOperation::ScaleX:
case TransformOperation::ScaleY: {
double sx = 1.0;
double sy = 1.0;
if (transformType == TransformOperation::ScaleY) {
sy = firstValue.getDoubleValue();
} else {
sx = firstValue.getDoubleValue();
if (transformType != TransformOperation::ScaleX) {
if (transformValue->length() > 1) {
const CSSPrimitiveValue& secondValue =
toCSSPrimitiveValue(transformValue->item(1));
sy = secondValue.getDoubleValue();
} else {
sy = sx;
}
}
}
operations.operations().append(
ScaleTransformOperation::create(sx, sy, 1.0, transformType));
break;
}
case TransformOperation::ScaleZ:
case TransformOperation::Scale3D: {
double sx = 1.0;
double sy = 1.0;
double sz = 1.0;
if (transformType == TransformOperation::ScaleZ) {
sz = firstValue.getDoubleValue();
} else {
sx = firstValue.getDoubleValue();
sy = toCSSPrimitiveValue(transformValue->item(1)).getDoubleValue();
sz = toCSSPrimitiveValue(transformValue->item(2)).getDoubleValue();
}
operations.operations().append(
ScaleTransformOperation::create(sx, sy, sz, transformType));
break;
}
case TransformOperation::Translate:
case TransformOperation::TranslateX:
case TransformOperation::TranslateY: {
Length tx = Length(0, Fixed);
Length ty = Length(0, Fixed);
if (transformType == TransformOperation::TranslateY)
ty = convertToFloatLength(firstValue, conversionData);
else {
tx = convertToFloatLength(firstValue, conversionData);
if (transformType != TransformOperation::TranslateX) {
if (transformValue->length() > 1) {
const CSSPrimitiveValue& secondValue =
toCSSPrimitiveValue(transformValue->item(1));
ty = convertToFloatLength(secondValue, conversionData);
}
}
}
operations.operations().append(
TranslateTransformOperation::create(tx, ty, 0, transformType));
break;
}
case TransformOperation::TranslateZ:
case TransformOperation::Translate3D: {
Length tx = Length(0, Fixed);
Length ty = Length(0, Fixed);
double tz = 0;
if (transformType == TransformOperation::TranslateZ) {
tz = firstValue.computeLength<double>(conversionData);
} else {
tx = convertToFloatLength(firstValue, conversionData);
ty = convertToFloatLength(
toCSSPrimitiveValue(transformValue->item(1)), conversionData);
tz = toCSSPrimitiveValue(transformValue->item(2))
.computeLength<double>(conversionData);
}
operations.operations().append(
TranslateTransformOperation::create(tx, ty, tz, transformType));
break;
}
case TransformOperation::RotateX:
case TransformOperation::RotateY:
case TransformOperation::RotateZ: {
double angle = firstValue.computeDegrees();
if (transformValue->length() == 1) {
double x = transformType == TransformOperation::RotateX;
double y = transformType == TransformOperation::RotateY;
double z = transformType == TransformOperation::RotateZ;
operations.operations().append(
RotateTransformOperation::create(x, y, z, angle, transformType));
} else {
// For SVG 'transform' attributes we generate 3-argument rotate()
// functions.
DCHECK_EQ(transformValue->length(), 3u);
const CSSPrimitiveValue& secondValue =
toCSSPrimitiveValue(transformValue->item(1));
const CSSPrimitiveValue& thirdValue =
toCSSPrimitiveValue(transformValue->item(2));
operations.operations().append(
RotateAroundOriginTransformOperation::create(
angle, secondValue.computeLength<double>(conversionData),
thirdValue.computeLength<double>(conversionData)));
}
break;
}
case TransformOperation::Rotate3D: {
const CSSPrimitiveValue& secondValue =
toCSSPrimitiveValue(transformValue->item(1));
const CSSPrimitiveValue& thirdValue =
toCSSPrimitiveValue(transformValue->item(2));
const 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, transformType));
break;
}
case TransformOperation::Skew:
case TransformOperation::SkewX:
case TransformOperation::SkewY: {
double angleX = 0;
double angleY = 0;
double angle = firstValue.computeDegrees();
if (transformType == TransformOperation::SkewY)
angleY = angle;
else {
angleX = angle;
if (transformType == TransformOperation::Skew) {
if (transformValue->length() > 1) {
const CSSPrimitiveValue& secondValue =
toCSSPrimitiveValue(transformValue->item(1));
angleY = secondValue.computeDegrees();
}
}
}
operations.operations().append(
SkewTransformOperation::create(angleX, angleY, transformType));
break;
}
case TransformOperation::Matrix: {
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 =
zoomFactor *
toCSSPrimitiveValue(transformValue->item(4)).getDoubleValue();
double f =
zoomFactor *
toCSSPrimitiveValue(transformValue->item(5)).getDoubleValue();
operations.operations().append(
MatrixTransformOperation::create(a, b, c, d, e, f));
break;
}
case TransformOperation::Matrix3D: {
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());
matrix.zoom(zoomFactor);
operations.operations().append(
Matrix3DTransformOperation::create(matrix));
break;
}
case TransformOperation::Perspective: {
double p = firstValue.computeLength<double>(conversionData);
ASSERT(p >= 0);
operations.operations().append(
PerspectiveTransformOperation::create(p));
break;
}
default:
ASSERT_NOT_REACHED();
break;
}
}
return operations;
}
WebTransformOperations toWebTransformOperations(const TransformOperations& transformOperations, const FloatSize& boxSize)
{
// We need to do a deep copy the transformOperations may contain ref pointers to TransformOperation objects.
WebTransformOperations webTransformOperations;
for (size_t j = 0; j < transformOperations.size(); ++j) {
TransformOperation::OperationType operationType = transformOperations.operations()[j]->getOperationType();
switch (operationType) {
case TransformOperation::SCALE_X:
case TransformOperation::SCALE_Y:
case TransformOperation::SCALE_Z:
case TransformOperation::SCALE_3D:
case TransformOperation::SCALE: {
ScaleTransformOperation* transform = static_cast<ScaleTransformOperation*>(transformOperations.operations()[j].get());
webTransformOperations.appendScale(transform->x(), transform->y(), transform->z());
break;
}
case TransformOperation::TRANSLATE_X:
case TransformOperation::TRANSLATE_Y:
case TransformOperation::TRANSLATE_Z:
case TransformOperation::TRANSLATE_3D:
case TransformOperation::TRANSLATE: {
TranslateTransformOperation* transform = static_cast<TranslateTransformOperation*>(transformOperations.operations()[j].get());
webTransformOperations.appendTranslate(floatValueForLength(transform->x(), boxSize.width()), floatValueForLength(transform->y(), boxSize.height()), floatValueForLength(transform->z(), 1));
break;
}
case TransformOperation::ROTATE_X:
case TransformOperation::ROTATE_Y:
case TransformOperation::ROTATE_3D:
case TransformOperation::ROTATE: {
RotateTransformOperation* transform = static_cast<RotateTransformOperation*>(transformOperations.operations()[j].get());
webTransformOperations.appendRotate(transform->x(), transform->y(), transform->z(), transform->angle());
break;
}
case TransformOperation::SKEW_X:
case TransformOperation::SKEW_Y:
case TransformOperation::SKEW: {
SkewTransformOperation* transform = static_cast<SkewTransformOperation*>(transformOperations.operations()[j].get());
webTransformOperations.appendSkew(transform->angleX(), transform->angleY());
break;
}
case TransformOperation::MATRIX: {
MatrixTransformOperation* transform = static_cast<MatrixTransformOperation*>(transformOperations.operations()[j].get());
TransformationMatrix m = transform->matrix();
webTransformOperations.appendMatrix(WebTransformationMatrix(m));
break;
}
case TransformOperation::MATRIX_3D: {
Matrix3DTransformOperation* transform = static_cast<Matrix3DTransformOperation*>(transformOperations.operations()[j].get());
TransformationMatrix m = transform->matrix();
webTransformOperations.appendMatrix(WebTransformationMatrix(m));
break;
}
case TransformOperation::PERSPECTIVE: {
PerspectiveTransformOperation* transform = static_cast<PerspectiveTransformOperation*>(transformOperations.operations()[j].get());
webTransformOperations.appendPerspective(floatValueForLength(transform->perspective(), 0));
break;
}
case TransformOperation::IDENTITY:
case TransformOperation::NONE:
// Do nothing.
break;
} // switch
} // for each operation
return webTransformOperations;
}
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;
}
void ArgumentCoder<TransformOperations>::encode(ArgumentEncoder& encoder, const TransformOperations& transformOperations)
{
encoder << static_cast<uint32_t>(transformOperations.size());
for (const auto& operation : transformOperations.operations()) {
encoder.encodeEnum(operation->type());
switch (operation->type()) {
case TransformOperation::SCALE_X:
case TransformOperation::SCALE_Y:
case TransformOperation::SCALE:
case TransformOperation::SCALE_Z:
case TransformOperation::SCALE_3D: {
const auto& scaleOperation = downcast<ScaleTransformOperation>(*operation);
encoder << scaleOperation.x();
encoder << scaleOperation.y();
encoder << scaleOperation.z();
break;
}
case TransformOperation::TRANSLATE_X:
case TransformOperation::TRANSLATE_Y:
case TransformOperation::TRANSLATE:
case TransformOperation::TRANSLATE_Z:
case TransformOperation::TRANSLATE_3D: {
const auto& translateOperation = downcast<TranslateTransformOperation>(*operation);
ArgumentCoder<Length>::encode(encoder, translateOperation.x());
ArgumentCoder<Length>::encode(encoder, translateOperation.y());
ArgumentCoder<Length>::encode(encoder, translateOperation.z());
break;
}
case TransformOperation::ROTATE:
case TransformOperation::ROTATE_X:
case TransformOperation::ROTATE_Y:
case TransformOperation::ROTATE_3D: {
const auto& rotateOperation = downcast<RotateTransformOperation>(*operation);
encoder << rotateOperation.x();
encoder << rotateOperation.y();
encoder << rotateOperation.z();
encoder << rotateOperation.angle();
break;
}
case TransformOperation::SKEW_X:
case TransformOperation::SKEW_Y:
case TransformOperation::SKEW: {
const auto& skewOperation = downcast<SkewTransformOperation>(*operation);
encoder << skewOperation.angleX();
encoder << skewOperation.angleY();
break;
}
case TransformOperation::MATRIX:
ArgumentCoder<TransformationMatrix>::encode(encoder, downcast<MatrixTransformOperation>(*operation).matrix());
break;
case TransformOperation::MATRIX_3D:
ArgumentCoder<TransformationMatrix>::encode(encoder, downcast<Matrix3DTransformOperation>(*operation).matrix());
break;
case TransformOperation::PERSPECTIVE:
ArgumentCoder<Length>::encode(encoder, downcast<PerspectiveTransformOperation>(*operation).perspective());
break;
case TransformOperation::IDENTITY:
break;
case TransformOperation::NONE:
ASSERT_NOT_REACHED();
break;
}
}
}
// FIXME: It's cleaner to only call updateFromElement when an attribute has changed. The body of
// this method should probably be moved to a private stretchHeightChanged or checkStretchHeight
// method. Probably at the same time, addChild/removeChild methods should be made to work for
// dynamic DOM changes.
void RenderMathMLOperator::updateFromElement()
{
RenderObject* savedRenderer = node()->renderer();
// Destroy our current children
children()->destroyLeftoverChildren();
// Since we share a node with our children, destroying our children may set our node's
// renderer to 0, so we need to restore it.
node()->setRenderer(savedRenderer);
int index = stretchyCharacterIndex();
bool isStretchy = index >= 0;
// We only stack glyphs if the stretch height is larger than a minimum size.
bool shouldStack = isStretchy && m_stretchHeight > style()->fontSize();
struct StretchyCharacter* partsData = 0;
float topGlyphHeight = 0;
float extensionGlyphHeight = 0;
float bottomGlyphHeight = 0;
float middleGlyphHeight = 0;
if (isStretchy) {
partsData = &stretchyCharacters[index];
FontCachePurgePreventer fontCachePurgePreventer;
topGlyphHeight = glyphHeightForCharacter(partsData->topGlyph);
extensionGlyphHeight = glyphHeightForCharacter(partsData->extensionGlyph) - 1;
bottomGlyphHeight = glyphHeightForCharacter(partsData->bottomGlyph);
if (partsData->middleGlyph)
middleGlyphHeight = glyphHeightForCharacter(partsData->middleGlyph) - 1;
shouldStack = m_stretchHeight >= topGlyphHeight + middleGlyphHeight + bottomGlyphHeight && extensionGlyphHeight > 0;
}
bool stretchDisabled = stretchDisabledByMarkup();
// Either stretch is disabled or we don't have a stretchable character over the minimum height
if (stretchDisabled || !shouldStack) {
RenderBlock* container = new (renderArena()) RenderMathMLBlock(toElement(node()));
toRenderMathMLBlock(container)->setIgnoreInAccessibilityTree(true);
RefPtr<RenderStyle> newStyle = RenderStyle::create();
newStyle->inheritFrom(style());
newStyle->setDisplay(FLEX);
newStyle->setJustifyContent(JustifyCenter);
UChar firstCharacter = firstTextCharacter();
m_isStretched = firstCharacter && isStretchy && m_stretchHeight > style()->fontMetrics().floatHeight();
if (m_isStretched)
newStyle->setHeight(Length(m_stretchHeight, Fixed));
container->setStyle(newStyle.release());
addChild(container);
if (m_isStretched) {
float scaleY = m_stretchHeight / glyphHeightForCharacter(firstCharacter);
TransformOperations transform;
transform.operations().append(ScaleTransformOperation::create(1.0, scaleY, ScaleTransformOperation::SCALE_X));
RefPtr<RenderStyle> innerStyle = RenderStyle::create();
innerStyle->inheritFrom(style());
innerStyle->setTransform(transform);
innerStyle->setTransformOriginY(Length(0, Fixed));
RenderBlock* innerContainer = new (renderArena()) RenderMathMLBlock(toElement(node()));
toRenderMathMLBlock(innerContainer)->setIgnoreInAccessibilityTree(true);
innerContainer->setStyle(innerStyle);
container->addChild(innerContainer);
container = innerContainer;
}
// Build the text of the operator.
RenderText* text = 0;
if (m_operator)
text = new (renderArena()) RenderText(node(), StringImpl::create(&m_operator, 1));
else if (node()->isElementNode())
if (Element* mo = static_cast<Element*>(node()))
text = new (renderArena()) RenderText(node(), mo->textContent().replace(hyphenMinus, minusSign).impl());
// If we can't figure out the text, leave it blank.
if (text) {
RefPtr<RenderStyle> textStyle = RenderStyle::create();
textStyle->inheritFrom(container->style());
text->setStyle(textStyle.release());
container->addChild(text);
}
} else {
// Build stretchable characters as a stack of glyphs.
m_isStretched = true;
// To avoid gaps, we position glyphs after the top glyph upward by 1px. We also truncate
// glyph heights to ints, and then reduce all but the top & bottom such heights by 1px.
int remaining = m_stretchHeight - topGlyphHeight - bottomGlyphHeight;
createGlyph(partsData->topGlyph, topGlyphHeight, 0);
if (partsData->middleGlyph) {
// We have a middle glyph (e.g. a curly bracket) that requires special processing.
remaining -= middleGlyphHeight;
int half = (remaining + 1) / 2;
remaining -= half;
while (remaining > 0) {
int height = std::min<int>(remaining, extensionGlyphHeight);
createGlyph(partsData->extensionGlyph, height, -1);
remaining -= height;
}
// The middle glyph in the stack.
createGlyph(partsData->middleGlyph, middleGlyphHeight, -1);
remaining = half;
while (remaining > 0) {
int height = std::min<int>(remaining, extensionGlyphHeight);
createGlyph(partsData->extensionGlyph, height, -1);
remaining -= height;
}
} else {
// We do not have a middle glyph and so we just extend from the top to the bottom glyph.
while (remaining > 0) {
int height = std::min<int>(remaining, extensionGlyphHeight);
createGlyph(partsData->extensionGlyph, height, -1);
remaining -= height;
}
}
createGlyph(partsData->bottomGlyph, bottomGlyphHeight, -1);
}
setNeedsLayoutAndPrefWidthsRecalc();
}
PassOwnPtr<CCTransformKeyframe> CCTransformKeyframe::clone() const
{
// We need to do a deep copy the m_value may contain ref pointers to TransformOperation objects.
TransformOperations operations;
for (size_t j = 0; j < m_value.size(); ++j) {
TransformOperation::OperationType operationType = m_value.operations()[j]->getOperationType();
switch (operationType) {
case TransformOperation::SCALE_X:
case TransformOperation::SCALE_Y:
case TransformOperation::SCALE_Z:
case TransformOperation::SCALE_3D:
case TransformOperation::SCALE: {
ScaleTransformOperation* transform = static_cast<ScaleTransformOperation*>(m_value.operations()[j].get());
operations.operations().append(ScaleTransformOperation::create(transform->x(), transform->y(), transform->z(), operationType));
break;
}
case TransformOperation::TRANSLATE_X:
case TransformOperation::TRANSLATE_Y:
case TransformOperation::TRANSLATE_Z:
case TransformOperation::TRANSLATE_3D:
case TransformOperation::TRANSLATE: {
TranslateTransformOperation* transform = static_cast<TranslateTransformOperation*>(m_value.operations()[j].get());
operations.operations().append(TranslateTransformOperation::create(transform->x(), transform->y(), transform->z(), operationType));
break;
}
case TransformOperation::ROTATE_X:
case TransformOperation::ROTATE_Y:
case TransformOperation::ROTATE_3D:
case TransformOperation::ROTATE: {
RotateTransformOperation* transform = static_cast<RotateTransformOperation*>(m_value.operations()[j].get());
operations.operations().append(RotateTransformOperation::create(transform->x(), transform->y(), transform->z(), transform->angle(), operationType));
break;
}
case TransformOperation::SKEW_X:
case TransformOperation::SKEW_Y:
case TransformOperation::SKEW: {
SkewTransformOperation* transform = static_cast<SkewTransformOperation*>(m_value.operations()[j].get());
operations.operations().append(SkewTransformOperation::create(transform->angleX(), transform->angleY(), operationType));
break;
}
case TransformOperation::MATRIX: {
MatrixTransformOperation* transform = static_cast<MatrixTransformOperation*>(m_value.operations()[j].get());
TransformationMatrix m = transform->matrix();
operations.operations().append(MatrixTransformOperation::create(m.a(), m.b(), m.c(), m.d(), m.e(), m.f()));
break;
}
case TransformOperation::MATRIX_3D: {
Matrix3DTransformOperation* transform = static_cast<Matrix3DTransformOperation*>(m_value.operations()[j].get());
operations.operations().append(Matrix3DTransformOperation::create(transform->matrix()));
break;
}
case TransformOperation::PERSPECTIVE: {
PerspectiveTransformOperation* transform = static_cast<PerspectiveTransformOperation*>(m_value.operations()[j].get());
operations.operations().append(PerspectiveTransformOperation::create(transform->perspective()));
break;
}
case TransformOperation::IDENTITY: {
operations.operations().append(IdentityTransformOperation::create());
break;
}
case TransformOperation::NONE:
// Do nothing.
break;
} // switch
} // for each operation
return CCTransformKeyframe::create(time(), operations, timingFunction() ? cloneTimingFunction(timingFunction()) : nullptr);
}
void toWebTransformOperations(const TransformOperations& transformOperations, WebTransformOperations* webTransformOperations)
{
// We need to do a deep copy the transformOperations may contain ref pointers to TransformOperation objects.
for (size_t j = 0; j < transformOperations.size(); ++j) {
switch (transformOperations.operations()[j]->type()) {
case TransformOperation::ScaleX:
case TransformOperation::ScaleY:
case TransformOperation::ScaleZ:
case TransformOperation::Scale3D:
case TransformOperation::Scale: {
ScaleTransformOperation* transform = static_cast<ScaleTransformOperation*>(transformOperations.operations()[j].get());
webTransformOperations->appendScale(transform->x(), transform->y(), transform->z());
break;
}
case TransformOperation::TranslateX:
case TransformOperation::TranslateY:
case TransformOperation::TranslateZ:
case TransformOperation::Translate3D:
case TransformOperation::Translate: {
TranslateTransformOperation* transform = static_cast<TranslateTransformOperation*>(transformOperations.operations()[j].get());
ASSERT(transform->x().isFixed() && transform->y().isFixed());
webTransformOperations->appendTranslate(transform->x().value(), transform->y().value(), transform->z());
break;
}
case TransformOperation::RotateX:
case TransformOperation::RotateY:
case TransformOperation::Rotate3D:
case TransformOperation::Rotate: {
RotateTransformOperation* transform = static_cast<RotateTransformOperation*>(transformOperations.operations()[j].get());
webTransformOperations->appendRotate(transform->x(), transform->y(), transform->z(), transform->angle());
break;
}
case TransformOperation::SkewX:
case TransformOperation::SkewY:
case TransformOperation::Skew: {
SkewTransformOperation* transform = static_cast<SkewTransformOperation*>(transformOperations.operations()[j].get());
webTransformOperations->appendSkew(transform->angleX(), transform->angleY());
break;
}
case TransformOperation::Matrix: {
MatrixTransformOperation* transform = static_cast<MatrixTransformOperation*>(transformOperations.operations()[j].get());
TransformationMatrix m = transform->matrix();
webTransformOperations->appendMatrix(TransformationMatrix::toSkMatrix44(m));
break;
}
case TransformOperation::Matrix3D: {
Matrix3DTransformOperation* transform = static_cast<Matrix3DTransformOperation*>(transformOperations.operations()[j].get());
TransformationMatrix m = transform->matrix();
webTransformOperations->appendMatrix(TransformationMatrix::toSkMatrix44(m));
break;
}
case TransformOperation::Perspective: {
PerspectiveTransformOperation* transform = static_cast<PerspectiveTransformOperation*>(transformOperations.operations()[j].get());
webTransformOperations->appendPerspective(transform->perspective());
break;
}
case TransformOperation::Interpolated: {
TransformationMatrix m;
transformOperations.operations()[j]->apply(m, FloatSize());
webTransformOperations->appendMatrix(TransformationMatrix::toSkMatrix44(m));
break;
}
case TransformOperation::Identity:
webTransformOperations->appendIdentity();
break;
case TransformOperation::None:
// Do nothing.
break;
} // switch
} // for each operation
}
PassOwnPtr<WebTransformOperations> toWebTransformOperations(const TransformOperations& transformOperations, const FloatSize& boxSize)
{
// We need to do a deep copy the transformOperations may contain ref pointers to TransformOperation objects.
OwnPtr<WebTransformOperations> webTransformOperations = adoptPtr(Platform::current()->compositorSupport()->createTransformOperations());
if (!webTransformOperations)
return nullptr;
for (size_t j = 0; j < transformOperations.size(); ++j) {
TransformOperation::OperationType operationType = transformOperations.operations()[j]->getOperationType();
switch (operationType) {
case TransformOperation::SCALE_X:
case TransformOperation::SCALE_Y:
case TransformOperation::SCALE_Z:
case TransformOperation::SCALE_3D:
case TransformOperation::SCALE: {
ScaleTransformOperation* transform = static_cast<ScaleTransformOperation*>(transformOperations.operations()[j].get());
webTransformOperations->appendScale(transform->x(), transform->y(), transform->z());
break;
}
case TransformOperation::TRANSLATE_X:
case TransformOperation::TRANSLATE_Y:
case TransformOperation::TRANSLATE_Z:
case TransformOperation::TRANSLATE_3D:
case TransformOperation::TRANSLATE: {
TranslateTransformOperation* transform = static_cast<TranslateTransformOperation*>(transformOperations.operations()[j].get());
webTransformOperations->appendTranslate(floatValueForLength(transform->x(), boxSize.width()), floatValueForLength(transform->y(), boxSize.height()), floatValueForLength(transform->z(), 1));
break;
}
case TransformOperation::ROTATE_X:
case TransformOperation::ROTATE_Y:
case TransformOperation::ROTATE_3D:
case TransformOperation::ROTATE: {
RotateTransformOperation* transform = static_cast<RotateTransformOperation*>(transformOperations.operations()[j].get());
webTransformOperations->appendRotate(transform->x(), transform->y(), transform->z(), transform->angle());
break;
}
case TransformOperation::SKEW_X:
case TransformOperation::SKEW_Y:
case TransformOperation::SKEW: {
SkewTransformOperation* transform = static_cast<SkewTransformOperation*>(transformOperations.operations()[j].get());
webTransformOperations->appendSkew(transform->angleX(), transform->angleY());
break;
}
case TransformOperation::MATRIX: {
MatrixTransformOperation* transform = static_cast<MatrixTransformOperation*>(transformOperations.operations()[j].get());
TransformationMatrix m = transform->matrix();
webTransformOperations->appendMatrix(TransformSkMatrix44Conversions::convert(m));
break;
}
case TransformOperation::MATRIX_3D: {
Matrix3DTransformOperation* transform = static_cast<Matrix3DTransformOperation*>(transformOperations.operations()[j].get());
TransformationMatrix m = transform->matrix();
webTransformOperations->appendMatrix(TransformSkMatrix44Conversions::convert(m));
break;
}
case TransformOperation::PERSPECTIVE: {
PerspectiveTransformOperation* transform = static_cast<PerspectiveTransformOperation*>(transformOperations.operations()[j].get());
webTransformOperations->appendPerspective(floatValueForLength(transform->perspective(), 0));
break;
}
case TransformOperation::IDENTITY:
webTransformOperations->appendIdentity();
break;
case TransformOperation::NONE:
// Do nothing.
break;
} // switch
} // for each operation
return webTransformOperations.release();
}
void PaintLayerReflectionInfo::updateAfterStyleChange(const ComputedStyle* oldStyle)
{
RefPtr<ComputedStyle> newStyle = ComputedStyle::create();
newStyle->inheritFrom(box().styleRef());
// Map in our transform.
TransformOperations transform;
switch (box().style()->boxReflect()->direction()) {
case ReflectionBelow:
transform.operations().append(TranslateTransformOperation::create(Length(0, Fixed),
Length(100., Percent), TransformOperation::Translate));
transform.operations().append(TranslateTransformOperation::create(Length(0, Fixed),
box().style()->boxReflect()->offset(), TransformOperation::Translate));
transform.operations().append(ScaleTransformOperation::create(1.0, -1.0, ScaleTransformOperation::Scale));
break;
case ReflectionAbove:
transform.operations().append(ScaleTransformOperation::create(1.0, -1.0, ScaleTransformOperation::Scale));
transform.operations().append(TranslateTransformOperation::create(Length(0, Fixed),
Length(100., Percent), TransformOperation::Translate));
transform.operations().append(TranslateTransformOperation::create(Length(0, Fixed),
box().style()->boxReflect()->offset(), TransformOperation::Translate));
break;
case ReflectionRight:
transform.operations().append(TranslateTransformOperation::create(Length(100., Percent),
Length(0, Fixed), TransformOperation::Translate));
transform.operations().append(TranslateTransformOperation::create(
box().style()->boxReflect()->offset(), Length(0, Fixed), TransformOperation::Translate));
transform.operations().append(ScaleTransformOperation::create(-1.0, 1.0, ScaleTransformOperation::Scale));
break;
case ReflectionLeft:
transform.operations().append(ScaleTransformOperation::create(-1.0, 1.0, ScaleTransformOperation::Scale));
transform.operations().append(TranslateTransformOperation::create(Length(100., Percent),
Length(0, Fixed), TransformOperation::Translate));
transform.operations().append(TranslateTransformOperation::create(
box().style()->boxReflect()->offset(), Length(0, Fixed), TransformOperation::Translate));
break;
}
newStyle->setTransform(transform);
// Map in our mask.
newStyle->setMaskBoxImage(box().style()->boxReflect()->mask());
m_reflection->setStyle(newStyle.release());
}