paragraph_style.cc

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// 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.
 
#include "impeller/toolkit/interop/paragraph_style.h"
 
#include "flutter/fml/string_conversion.h"
 
namespace impeller::interop {
 
ParagraphStyle::ParagraphStyle() = default;
 
ParagraphStyle::~ParagraphStyle() = default;
 
void ParagraphStyle::SetFontWeight(txt::FontWeight weight) {
  style_.font_weight = weight;
}
 
void ParagraphStyle::SetFontStyle(txt::FontStyle style) {
  style_.font_style = style;
}
 
void ParagraphStyle::SetFontFamily(std::string family) {
  style_.font_family = std::move(family);
}
 
void ParagraphStyle::SetFontSize(double size) {
  style_.font_size = size;
}
 
void ParagraphStyle::SetHeight(double height) {
  style_.height = height;
  style_.has_height_override = (height != 0.0);
}
 
void ParagraphStyle::SetTextAlignment(txt::TextAlign alignment) {
  style_.text_align = alignment;
}
 
void ParagraphStyle::SetTextDirection(txt::TextDirection direction) {
  style_.text_direction = direction;
}
 
void ParagraphStyle::SetMaxLines(size_t max_lines) {
  style_.max_lines = max_lines;
}
 
void ParagraphStyle::SetLocale(std::string locale) {
  style_.locale = std::move(locale);
}
 
void ParagraphStyle::SetForeground(ScopedObject<Paint> paint) {
  foreground_ = std::move(paint);
}
 
void ParagraphStyle::SetBackground(ScopedObject<Paint> paint) {
  background_ = std::move(paint);
}
 
txt::TextStyle ParagraphStyle::CreateTextStyle() const {
  auto style = style_.GetTextStyle();
 
  if (foreground_) {
    style.foreground = foreground_->GetPaint();
  }
  if (background_) {
    style.background = background_->GetPaint();
  }
  if (decoration_.has_value()) {
    const auto& decoration = decoration_.value();
    style.decoration = decoration.types;
    style.decoration_color = ToSkiaType(decoration.color);
    style.decoration_style = ToTxtType(decoration.style);
    style.decoration_thickness_multiplier = decoration.thickness_multiplier;
  }
 
  return style;
}
 
const txt::ParagraphStyle& ParagraphStyle::GetParagraphStyle() const {
  return style_;
}
 
void ParagraphStyle::SetTextDecoration(
    const ImpellerTextDecoration& decoration) {
  decoration_ = decoration;
}
 
void ParagraphStyle::SetEllipsis(const std::string& string) {
  if (string.empty()) {
    style_.ellipsis = {};
    return;
  }
  style_.ellipsis = fml::Utf8ToUtf16(string);
}
 
}  // namespace impeller::interop