Function main

app/render.cpp:190–478

}

int main(int argc, char* argv[])
{
  int orig_argc = argc;

  // Initialize loguru
  loguru::init(argc, argv);

  try
    {
      cxxopts::Options options("PDFRenderer", "A program to render PDF pages");

      // Define the options
      options.add_options()
	("i,input",    "Input PDF file",                                                    cxxopts::value<std::string>())
	("d,directory","Input directory: render all PDFs found inside it",                  cxxopts::value<std::string>())
	("p,page",     "Pages to process (default: -1 for all)",                            cxxopts::value<int>()->default_value("-1"))
	("password",   "Password for encrypted files",                                      cxxopts::value<std::string>())
	("o,output",   "Output file or output directory (for -d mode)",                     cxxopts::value<std::string>())
	("r,renderer", "Renderer type [NAIVE, BLEND2D] (default: NAIVE)",                   cxxopts::value<std::string>()->default_value("BLEND2D"))
	("l,loglevel", "Log level [error, warning, info]",                                  cxxopts::value<std::string>())
	("h,help",     "Print usage")

        // ---- render_config ----
        ("render-text",    "Render glyph outlines for text cells (default: true)",          cxxopts::value<bool>()->implicit_value("true"))
        ("draw-text-bbox", "Draw bounding quad around each text cell",                      cxxopts::value<bool>()->implicit_value("true"))
        ("draw-text-basepoint", "Draw the text base point as a small red dot",              cxxopts::value<bool>()->implicit_value("true"))
        ("fit-glyph-bbox-to-target",
         "Uniformly rescale measured glyph outlines so the rendered bbox fits inside the target glyph bbox and matches either its width or height",
         cxxopts::value<bool>()->implicit_value("true"))
        ("resolve-fonts",           "Resolve PDF font names to system fonts (default: true)",                cxxopts::value<bool>()->implicit_value("true"))
        ("font-similarity-cutoff",  "Minimum Jaccard similarity for fuzzy font matching (default: 0.25)",    cxxopts::value<float>())
        ("scale",                   "Canvas scale in multiples of the PDF page size (-1 = disabled)",        cxxopts::value<float>())
        ("canvas-width",            "Canvas width in pixels (-1 = use page size)",                           cxxopts::value<int>())
        ("canvas-height",           "Canvas height in pixels (-1 = use page size)",                          cxxopts::value<int>())

        // ---- decode_config ----
        ("page-boundary",   "Page boundary [crop_box, media_box, ...] (default: crop_box)", cxxopts::value<std::string>())
        ("do-sanitization", "Run post-parse sanitization (default: true)",                  cxxopts::value<bool>()->implicit_value("true"))
        ("keep-char-cells", "Keep individual character cells (default: true)",              cxxopts::value<bool>()->implicit_value("true"))
        ("keep-shapes",     "Keep shape items (default: true)",                             cxxopts::value<bool>()->implicit_value("true"))
        ("keep-bitmaps",    "Keep bitmap items (default: true)",                            cxxopts::value<bool>()->implicit_value("true"))
        ("max-num-lines",   "Cap on number of lines per page (-1 = no cap)",                cxxopts::value<int>())
        ("max-num-bitmaps", "Cap on number of bitmaps per page (-1 = no cap)",              cxxopts::value<int>())
        ("create-word-cells",  "Build word-level cells (default: true)",                    cxxopts::value<bool>()->implicit_value("true"))
        ("create-line-cells",  "Build line-level cells (default: true)",                    cxxopts::value<bool>()->implicit_value("true"))
        ("enforce-same-font",  "Require same font within a word/line cell (default: true)", cxxopts::value<bool>()->implicit_value("true"))
        ("horizontal-cell-tolerance", "Horizontal merge tolerance (default: 1.0)",          cxxopts::value<double>())
        ("word-space-factor",  "Space-width factor for word merging (default: 0.33)",       cxxopts::value<double>())
        ("line-space-factor",  "Space-width factor for line merging (default: 1.0)",        cxxopts::value<double>())
        ("line-space-factor-with-space", "Space-width factor for line merging with space (default: 0.33)", cxxopts::value<double>())
        ("keep-glyphs",        "Keep unmapped GLYPH<...> tokens (default: false)",          cxxopts::value<bool>()->implicit_value("true"))
        ("keep-qpdf-warnings", "Emit QPDF warnings (default: false)",                       cxxopts::value<bool>()->implicit_value("true"))
        ("extract-font-programs", "Extract embedded font programs for rendering (default: true)", cxxopts::value<bool>()->implicit_value("true"))
        ("populate-json",      "Populate JSON objects during decode (default: false)",       cxxopts::value<bool>()->implicit_value("true"))
        ("export-bitmaps",     "Export decoded bitmap payloads encountered on each page (default: false)",
                               cxxopts::value<bool>()->default_value("false"))
        ("export-page-pdf",    "Export each selected page as a one-page PDF (default: false)",
                               cxxopts::value<bool>()->default_value("false"));