Index: third_party/WebKit/Source/core/dom/DOMMatrix.cpp |
diff --git a/third_party/WebKit/Source/core/dom/DOMMatrix.cpp b/third_party/WebKit/Source/core/dom/DOMMatrix.cpp |
index 14a1d8e9641ce9a097c1a470bc8aea5bfbaccdcb..db646afbe8987770b3bd76662db55ddaaf987cfc 100644 |
--- a/third_party/WebKit/Source/core/dom/DOMMatrix.cpp |
+++ b/third_party/WebKit/Source/core/dom/DOMMatrix.cpp |
@@ -118,4 +118,30 @@ DOMMatrix* DOMMatrix::skewYSelf(double sy) |
return this; |
} |
+DOMMatrix* DOMMatrix::invertSelf() |
+{ |
+ if (m_matrix->isInvertible()) { |
+ m_matrix = TransformationMatrix::create(m_matrix->inverse()); |
+ } else { |
+ setM11(std::nan("")); |
dominicc (has gone to gerrit)
2016/08/30 02:22:09
Hmm, I haven't done any numerical programming with
Hwanseung Lee
2016/08/30 12:47:05
Done.
|
+ setM12(std::nan("")); |
+ setM13(std::nan("")); |
+ setM14(std::nan("")); |
+ setM21(std::nan("")); |
+ setM22(std::nan("")); |
+ setM23(std::nan("")); |
+ setM24(std::nan("")); |
+ setM31(std::nan("")); |
+ setM32(std::nan("")); |
+ setM33(std::nan("")); |
+ setM34(std::nan("")); |
+ setM41(std::nan("")); |
+ setM42(std::nan("")); |
+ setM43(std::nan("")); |
+ setM44(std::nan("")); |
+ setIs2D(false); |
+ } |
+ return this; |
+} |
+ |
} // namespace blink |