Method render

src/activities/reader/TxtReaderActivity.cpp:319–351

}

void TxtReaderActivity::render(RenderLock&&) {
  if (!txt) {
    return;
  }

  // Initialize reader if not done
  if (!initialized) {
    initializeReader();
  }

  if (pageOffsets.empty()) {
    renderer.clearScreen();
    renderer.drawCenteredText(UI_12_FONT_ID, 300, tr(STR_EMPTY_FILE), true, EpdFontFamily::BOLD);
    renderer.displayBuffer();
    return;
  }

  // Bounds check
  if (currentPage < 0) currentPage = 0;
  if (currentPage >= totalPages) currentPage = totalPages - 1;

  // Load current page content
  size_t offset = pageOffsets[currentPage];
  size_t nextOffset;
  currentPageLines.clear();
  loadPageAtOffset(offset, currentPageLines, nextOffset);

  renderer.clearScreen();
  renderPage();

  // Save progress
  saveProgress();
}

void TxtReaderActivity::renderPage() {
  const int lineHeight = renderer.getLineHeight(cachedFontId);