| /* |
| * Copyright (C) Research In Motion Limited 2010. All rights reserved. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| */ |
| |
| #ifndef THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_SVG_SVG_TEXT_LAYOUT_ENGINE_SPACING_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_SVG_SVG_TEXT_LAYOUT_ENGINE_SPACING_H_ |
| |
| #include "third_party/blink/renderer/platform/wtf/allocator/allocator.h" |
| #include "third_party/blink/renderer/platform/wtf/text/unicode.h" |
| |
| namespace blink { |
| |
| class Font; |
| |
| // Helper class used by SVGTextLayoutEngine to handle 'letter-spacing' and |
| // 'word-spacing'. |
| class SVGTextLayoutEngineSpacing { |
| STACK_ALLOCATED(); |
| |
| public: |
| SVGTextLayoutEngineSpacing(const Font&, float effective_zoom); |
| SVGTextLayoutEngineSpacing(const SVGTextLayoutEngineSpacing&) = delete; |
| SVGTextLayoutEngineSpacing& operator=(const SVGTextLayoutEngineSpacing&) = |
| delete; |
| |
| float CalculateCSSSpacing(UChar current_character); |
| |
| private: |
| const Font& font_; |
| UChar last_character_; |
| float effective_zoom_; |
| }; |
| |
| } // namespace blink |
| |
| #endif |