Index: third_party/WebKit/Source/core/css/cssom/CSSSkew.cpp |
diff --git a/third_party/WebKit/Source/core/css/cssom/CSSSkew.cpp b/third_party/WebKit/Source/core/css/cssom/CSSSkew.cpp |
index 41ccab13ef1d8685f8e0f88b8c55dc4c7c7a0945..681ae1db85a151b7eae60fdaa80c7ed4d42536b7 100644 |
--- a/third_party/WebKit/Source/core/css/cssom/CSSSkew.cpp |
+++ b/third_party/WebKit/Source/core/css/cssom/CSSSkew.cpp |
@@ -6,9 +6,46 @@ |
#include "core/css/CSSFunctionValue.h" |
#include "core/css/CSSPrimitiveValue.h" |
+#include "core/css/cssom/CSSAngleValue.h" |
namespace blink { |
+CSSSkew* CSSSkew::fromCSSValue(const CSSFunctionValue& value) { |
+ const CSSPrimitiveValue& xValue = toCSSPrimitiveValue(value.item(0)); |
+ if (xValue.isCalculated()) { |
+ // TODO(meade): Decide what we want to do with calc angles. |
+ return nullptr; |
+ } |
+ DCHECK(xValue.isAngle()); |
+ switch (value.functionType()) { |
+ case CSSValueSkew: |
+ if (value.length() == 2U) { |
+ const CSSPrimitiveValue& yValue = toCSSPrimitiveValue(value.item(1)); |
+ if (yValue.isCalculated()) { |
+ // TODO(meade): Decide what we want to do with calc angles. |
+ return nullptr; |
+ } |
+ DCHECK(yValue.isAngle()); |
+ return CSSSkew::create(CSSAngleValue::fromCSSValue(xValue), |
+ CSSAngleValue::fromCSSValue(yValue)); |
+ } |
+ // Else fall through; skew(ax) == skewX(ax). |
+ case CSSValueSkewX: |
+ DCHECK_EQ(value.length(), 1U); |
+ return CSSSkew::create( |
+ CSSAngleValue::fromCSSValue(xValue), |
+ CSSAngleValue::create(0, CSSPrimitiveValue::UnitType::Degrees)); |
+ case CSSValueSkewY: |
+ DCHECK_EQ(value.length(), 1U); |
+ return CSSSkew::create( |
+ CSSAngleValue::create(0, CSSPrimitiveValue::UnitType::Degrees), |
+ CSSAngleValue::fromCSSValue(xValue)); |
+ default: |
+ NOTREACHED(); |
+ return nullptr; |
+ } |
+} |
+ |
CSSFunctionValue* CSSSkew::toCSSValue() const { |
CSSFunctionValue* result = CSSFunctionValue::create(CSSValueSkew); |
result->append(*CSSPrimitiveValue::create(m_ax->value(), m_ax->unit())); |