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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.
105 lines
3.1 KiB
C++
105 lines
3.1 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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#include "flutter/lib/ui/text/paragraph.h"
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#include "flutter/common/settings.h"
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#include "flutter/common/task_runners.h"
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#include "flutter/fml/logging.h"
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#include "flutter/fml/task_runner.h"
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#include "third_party/tonic/converter/dart_converter.h"
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#include "third_party/tonic/dart_args.h"
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#include "third_party/tonic/dart_binding_macros.h"
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#include "third_party/tonic/dart_library_natives.h"
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using tonic::ToDart;
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namespace flutter {
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IMPLEMENT_WRAPPERTYPEINFO(ui, Paragraph);
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#define FOR_EACH_BINDING(V) \
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V(Paragraph, width) \
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V(Paragraph, height) \
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V(Paragraph, minIntrinsicWidth) \
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V(Paragraph, maxIntrinsicWidth) \
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V(Paragraph, alphabeticBaseline) \
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V(Paragraph, ideographicBaseline) \
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V(Paragraph, didExceedMaxLines) \
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V(Paragraph, layout) \
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V(Paragraph, paint) \
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V(Paragraph, getWordBoundary) \
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V(Paragraph, getRectsForRange) \
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V(Paragraph, getPositionForOffset)
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DART_BIND_ALL(Paragraph, FOR_EACH_BINDING)
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Paragraph::Paragraph(std::unique_ptr<txt::Paragraph> paragraph)
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: m_paragraphImpl(
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std::make_unique<ParagraphImplTxt>(std::move(paragraph))) {}
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Paragraph::~Paragraph() = default;
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size_t Paragraph::GetAllocationSize() {
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// We don't have an accurate accounting of the paragraph's memory consumption,
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// so return a fixed size to indicate that its impact is more than the size
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// of the Paragraph class.
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return 2000;
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}
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double Paragraph::width() {
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return m_paragraphImpl->width();
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}
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double Paragraph::height() {
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return m_paragraphImpl->height();
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}
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double Paragraph::minIntrinsicWidth() {
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return m_paragraphImpl->minIntrinsicWidth();
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}
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double Paragraph::maxIntrinsicWidth() {
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return m_paragraphImpl->maxIntrinsicWidth();
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}
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double Paragraph::alphabeticBaseline() {
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return m_paragraphImpl->alphabeticBaseline();
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}
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double Paragraph::ideographicBaseline() {
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return m_paragraphImpl->ideographicBaseline();
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}
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bool Paragraph::didExceedMaxLines() {
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return m_paragraphImpl->didExceedMaxLines();
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}
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void Paragraph::layout(double width) {
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m_paragraphImpl->layout(width);
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}
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void Paragraph::paint(Canvas* canvas, double x, double y) {
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m_paragraphImpl->paint(canvas, x, y);
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}
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std::vector<TextBox> Paragraph::getRectsForRange(unsigned start,
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unsigned end,
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unsigned boxHeightStyle,
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unsigned boxWidthStyle) {
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return m_paragraphImpl->getRectsForRange(
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start, end, static_cast<txt::Paragraph::RectHeightStyle>(boxHeightStyle),
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static_cast<txt::Paragraph::RectWidthStyle>(boxWidthStyle));
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}
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Dart_Handle Paragraph::getPositionForOffset(double dx, double dy) {
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return m_paragraphImpl->getPositionForOffset(dx, dy);
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}
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Dart_Handle Paragraph::getWordBoundary(unsigned offset) {
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return m_paragraphImpl->getWordBoundary(offset);
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}
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} // namespace flutter
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