Index: third_party/WebKit/Source/core/animation/FontWeightConversion.cpp |
diff --git a/third_party/WebKit/Source/core/animation/FontWeightConversion.cpp b/third_party/WebKit/Source/core/animation/FontWeightConversion.cpp |
new file mode 100644 |
index 0000000000000000000000000000000000000000..a8a5354b26e2b95048a02aeeb8d3f9362f9f0b51 |
--- /dev/null |
+++ b/third_party/WebKit/Source/core/animation/FontWeightConversion.cpp |
@@ -0,0 +1,49 @@ |
+// Copyright 2017 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 "core/animation/FontWeightConversion.h" |
+ |
+#include "platform/wtf/MathExtras.h" |
+#include "platform/wtf/StdLibExtras.h" |
+ |
+namespace blink { |
+ |
+double fontWeightToDouble(FontWeight fontWeight) { |
+ switch (fontWeight) { |
+ case FontWeight100: |
+ return 100; |
+ case FontWeight200: |
+ return 200; |
+ case FontWeight300: |
+ return 300; |
+ case FontWeight400: |
+ return 400; |
+ case FontWeight500: |
+ return 500; |
+ case FontWeight600: |
+ return 600; |
+ case FontWeight700: |
+ return 700; |
+ case FontWeight800: |
+ return 800; |
+ case FontWeight900: |
+ return 900; |
+ default: |
+ NOTREACHED(); |
+ return 400; |
+ } |
+} |
+ |
+FontWeight doubleToFontWeight(double value) { |
+ static const FontWeight fontWeights[] = { |
+ FontWeight100, FontWeight200, FontWeight300, FontWeight400, FontWeight500, |
+ FontWeight600, FontWeight700, FontWeight800, FontWeight900, |
+ }; |
+ |
+ int index = round(value / 100 - 1); |
+ int clampedIndex = clampTo<int>(index, 0, WTF_ARRAY_LENGTH(fontWeights) - 1); |
+ return fontWeights[clampedIndex]; |
+} |
+ |
+} // namespace blink |