| // 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. |
| |
| #ifndef THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_TEXT_DECORATION_OFFSET_BASE_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_TEXT_DECORATION_OFFSET_BASE_H_ |
| |
| #include "third_party/blink/renderer/core/core_export.h" |
| #include "third_party/blink/renderer/platform/fonts/font_baseline.h" |
| #include "third_party/blink/renderer/platform/geometry/layout_unit.h" |
| #include "third_party/blink/renderer/platform/geometry/length.h" |
| |
| namespace blink { |
| |
| class ComputedStyle; |
| enum class FontVerticalPositionType; |
| enum class ResolvedUnderlinePosition; |
| class FontMetrics; |
| |
| class CORE_EXPORT TextDecorationOffsetBase { |
| STACK_ALLOCATED(); |
| |
| public: |
| TextDecorationOffsetBase(const ComputedStyle& style) : style_(style) {} |
| ~TextDecorationOffsetBase() = default; |
| |
| virtual int ComputeUnderlineOffsetForUnder( |
| const Length& style_underline_offset, |
| float computed_font_size, |
| float text_decoration_thickness, |
| FontVerticalPositionType) const = 0; |
| |
| int ComputeUnderlineOffset(ResolvedUnderlinePosition, |
| float computed_font_size, |
| const FontMetrics&, |
| const Length& style_underline_offset, |
| float text_decoration_thickness) const; |
| |
| protected: |
| static float StyleUnderlineOffsetToPixels( |
| const Length& style_underline_offset, |
| float font_size); |
| const ComputedStyle& style_; |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_TEXT_DECORATION_OFFSET_BASE_H_ |