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Unified Diff: Source/core/dom/DOMMatrixReadOnly.cpp

Issue 426063007: Implement basic interfaces and attributes for DOMMatrix. (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master
Patch Set: add is2d test Created 6 years, 4 months ago
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Index: Source/core/dom/DOMMatrixReadOnly.cpp
diff --git a/Source/core/dom/DOMMatrixReadOnly.cpp b/Source/core/dom/DOMMatrixReadOnly.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..887e75fa11d33f6e28a95ce6cd9b86bc1ddceb4e
--- /dev/null
+++ b/Source/core/dom/DOMMatrixReadOnly.cpp
@@ -0,0 +1,23 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "config.h"
+#include "core/dom/DOMMatrixReadOnly.h"
+
+namespace blink {
+
+bool DOMMatrixReadOnly::is2D() const
+{
+ return m_is2D;
+}
+
+bool DOMMatrixReadOnly::isIdentity() const
+{
+ return m11() == 1 && m21() == 0 && m31() == 0 && m41() == 0
+ && m12() == 0 && m22() == 1 && m32() == 0 && m42() == 0
+ && m13() == 0 && m23() == 0 && m33() == 1 && m43() == 0
+ && m14() == 0 && m24() == 0 && m34() == 0 && m44() == 1;
+}
+
+} // namespace blink
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