| // Copyright 2013 The Flutter 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 FLUTTER_LIB_UI_TEXT_PARAGRAPH_IMPL_TXT_H_ |
| #define FLUTTER_LIB_UI_TEXT_PARAGRAPH_IMPL_TXT_H_ |
| |
| #include "flutter/lib/ui/painting/canvas.h" |
| #include "flutter/lib/ui/text/paragraph_impl.h" |
| #include "flutter/lib/ui/text/text_box.h" |
| |
| namespace blink { |
| |
| class ParagraphImplTxt : public ParagraphImpl { |
| public: |
| ~ParagraphImplTxt() override; |
| |
| explicit ParagraphImplTxt(std::unique_ptr<txt::Paragraph> paragraph); |
| |
| double width() override; |
| double height() override; |
| double minIntrinsicWidth() override; |
| double maxIntrinsicWidth() override; |
| double alphabeticBaseline() override; |
| double ideographicBaseline() override; |
| bool didExceedMaxLines() override; |
| |
| void layout(double width) override; |
| void paint(Canvas* canvas, double x, double y) override; |
| |
| std::vector<TextBox> getRectsForRange( |
| unsigned start, |
| unsigned end, |
| txt::Paragraph::RectHeightStyle rect_height_style, |
| txt::Paragraph::RectWidthStyle rect_width_style) override; |
| Dart_Handle getPositionForOffset(double dx, double dy) override; |
| Dart_Handle getWordBoundary(unsigned offset) override; |
| |
| private: |
| std::unique_ptr<txt::Paragraph> m_paragraph; |
| double m_width = -1.0; |
| }; |
| |
| } // namespace blink |
| |
| #endif // FLUTTER_LIB_UI_TEXT_PARAGRAPH_IMPL_TXT_H_ |