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A fork of https://github.com/crosspoint-reader/crosspoint-reader
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1.9 kB · 61 lines
C
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#include <Txt.h>
#include <memory>#include <string>#include <vector>
#include "CrossPointSettings.h"#include "ReaderActivity.h"
class TxtReaderActivity final : public ReaderActivity { std::unique_ptr<Txt> txt;
int currentPage = 0; int totalPages = 1;
// Streaming text reader - stores file offsets for each page std::vector<size_t> pageOffsets; std::vector<std::string> currentPageLines; int linesPerPage = 0; int viewportWidth = 0; bool initialized = false;
// Cached settings for cache validation int cachedFontId = 0; uint8_t cachedScreenMargin = 0; uint8_t cachedParagraphAlignment = CrossPointSettings::LEFT_ALIGN; int cachedOrientedMarginTop = 0; int cachedOrientedMarginRight = 0; int cachedOrientedMarginBottom = 0; int cachedOrientedMarginLeft = 0;
void renderPage(GfxRenderer& renderer); void initializeReader(GfxRenderer& renderer); bool loadPageAtOffset(const GfxRenderer& renderer, size_t offset, std::vector<std::string>& outLines, size_t& nextOffset); void buildPageIndex(GfxRenderer& renderer); bool loadPageIndexCache(); void savePageIndexCache() const; void saveProgress() const; void loadProgress(); void renderStatusBar() const;
bool loadBook() override; std::string getBookTitle() const override { return txt ? txt->getTitle() : ""; } void renderBook() override;
public: explicit TxtReaderActivity(GfxRenderer& renderer, MappedInputManager& mappedInput, std::string bookPath, bool allowFastInitialRefresh) : ReaderActivity("TxtReader", renderer, mappedInput, std::move(bookPath), allowFastInitialRefresh) {} ~TxtReaderActivity() override = default;
bool pageTurn(bool isForward) override; bool skipPages(int amount) override; bool isAtEndOfBook() const override; void onReturnFromEndOfBook() override;
ScreenshotInfo getScreenshotInfo() const override;};