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eec74e5c92
Some components in the Flutter engine were derived from the forked blink codebase. While the forked components have either been removed or rewritten, the use of the blink namespace has mostly (and inconsistently) remained. This renames the blink namesapce to flutter for consistency. There are no functional changes in this patch.
50 lines
1.3 KiB
C++
50 lines
1.3 KiB
C++
// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef FLUTTER_LIB_UI_TEXT_PARAGRAPH_IMPL_H_
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#define FLUTTER_LIB_UI_TEXT_PARAGRAPH_IMPL_H_
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#include "flutter/lib/ui/painting/canvas.h"
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#include "flutter/lib/ui/text/text_box.h"
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#include "flutter/third_party/txt/src/txt/paragraph.h"
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namespace flutter {
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class ParagraphImpl {
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public:
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virtual ~ParagraphImpl(){};
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virtual double width() = 0;
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virtual double height() = 0;
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virtual double minIntrinsicWidth() = 0;
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virtual double maxIntrinsicWidth() = 0;
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virtual double alphabeticBaseline() = 0;
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virtual double ideographicBaseline() = 0;
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virtual bool didExceedMaxLines() = 0;
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virtual void layout(double width) = 0;
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virtual void paint(Canvas* canvas, double x, double y) = 0;
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virtual std::vector<TextBox> getRectsForRange(
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unsigned start,
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unsigned end,
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txt::Paragraph::RectHeightStyle rect_height_style,
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txt::Paragraph::RectWidthStyle rect_width_style) = 0;
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virtual Dart_Handle getPositionForOffset(double dx, double dy) = 0;
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virtual Dart_Handle getWordBoundary(unsigned offset) = 0;
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};
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} // namespace flutter
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#endif // FLUTTER_LIB_UI_TEXT_PARAGRAPH_IMPL_H_
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