| // Copyright 2020 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. |
| |
| #ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_WTF_TEXT_MATH_TRANSFORM_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_PLATFORM_WTF_TEXT_MATH_TRANSFORM_H_ |
| |
| #include "third_party/blink/renderer/platform/wtf/text/unicode.h" |
| #include "third_party/blink/renderer/platform/wtf/wtf_export.h" |
| #include "third_party/blink/renderer/platform/wtf/wtf_size_t.h" |
| |
| namespace WTF { |
| namespace unicode { |
| |
| // Performs the character mapping needed to implement MathML's mathvariant |
| // attribute. It takes a unicode character and maps it to its appropriate |
| // mathvariant counterpart specified by mathvariant. The mapped character is |
| // typically located within Unicode's mathematical blocks (U+1D400–U+1D7FF, |
| // U+1EExx) but there are exceptions which this function accounts for. |
| // Characters without a valid mapping value are returned unaltered. Characters |
| // already in the mathematical blocks (or are one of the exceptions) are never |
| // transformed. Acceptable values for mathvariant are specified in |
| // MathMLElement.h. The transformable characters can be found at: |
| // http://lists.w3.org/Archives/Public/www-math/2013Sep/0012.html and |
| // https://unicode.org/cldr/utility/character.jsp. |
| // TODO(https://crbug.com/1076420): this needs to handle all mathvariants, not |
| // just italics. |
| WTF_EXPORT UChar32 MathVariant(UChar32 code_point); |
| |
| } // namespace unicode |
| } // namespace WTF |
| |
| using WTF::unicode::MathVariant; |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_WTF_TEXT_MATH_TRANSFORM_H_ |
