Dave Allie 1cb10c8a05
Build out lines for pages when holding over 750 buffered words
Should fix issues with parsing long blocks of text causing memory crashes
2025-12-20 01:06:05 +11:00

41 lines
1.5 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<EpdFontStyle> wordStyles;
TextBlock::BLOCK_STYLE style;
bool extraParagraphSpacing;
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::BLOCK_STYLE style, const bool extraParagraphSpacing)
: style(style), extraParagraphSpacing(extraParagraphSpacing) {}
~ParsedText() = default;
void addWord(std::string word, EpdFontStyle fontStyle);
void setStyle(const TextBlock::BLOCK_STYLE style) { this->style = style; }
TextBlock::BLOCK_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, int horizontalMargin,
const std::function<void(std::shared_ptr<TextBlock>)>& processLine,
bool includeLastLine = true);
};