pc0124 c3dee887b5
x
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2026-01-17 16:05:03 +08:00

42 lines
1.6 KiB
C++

#pragma once
#include <EpdFontFamily.h>
#include <functional>
#include <list>
#include <memory>
#include <string>
#include <vector>
#include "blocks/TextBlock.h"
class GfxRenderer;
class ParsedText {
std::list<std::string> words;
std::list<EpdFontFamily::Style> wordStyles;
TextBlock::Style style;
uint8_t extraParagraphSpacing;
uint8_t indentParagraph;
std::vector<size_t> computeLineBreaks(int pageWidth, int spaceWidth, const std::vector<uint16_t>& wordWidths) const;
void extractLine(size_t breakIndex, int pageWidth, int spaceWidth, const std::vector<uint16_t>& wordWidths,
const std::vector<size_t>& lineBreakIndices,
const std::function<void(std::shared_ptr<TextBlock>)>& processLine);
std::vector<uint16_t> calculateWordWidths(const GfxRenderer& renderer, int fontId);
public:
explicit ParsedText(const TextBlock::Style style, const uint8_t extraParagraphSpacing, const uint8_t indentParagraph = 1)
: style(style), extraParagraphSpacing(extraParagraphSpacing), indentParagraph(indentParagraph) {}
~ParsedText() = default;
void addWord(std::string word, EpdFontFamily::Style fontStyle);
void setStyle(const TextBlock::Style style) { this->style = style; }
TextBlock::Style getStyle() const { return style; }
size_t size() const { return words.size(); }
bool isEmpty() const { return words.empty(); }
void layoutAndExtractLines(const GfxRenderer& renderer, int fontId, uint16_t viewportWidth,
const std::function<void(std::shared_ptr<TextBlock>)>& processLine,
bool includeLastLine = true);
};