Function app_main

examples/text_shape.cpp:165–335

}

int app_main(int argc, char* argv[])
{
  SystemRef system = System::make();
  system->setAppMode(AppMode::GUI);

  FontMgrRef fontMgr = FontMgr::Make();
  FontRef font = fontMgr->defaultFont(48);
  FontRef fontBig = fontMgr->defaultFont(128);
  if (!font || !fontBig) {
    std::printf("Font not found\n");
    return 1;
  }

  WindowRef window = system->makeWindow(800, 600);
  window->setTitle("Text Shape");

  // Interpret dead keys + chars to compose unicode chars.  This is
  // useful for text editors (or when we focus a text editor in our
  // app, in this example we're always in the text editor).
  system->setTextInput(true);

  TextEdit edit;
  edit.text = "Hiragana ひらがな.";
  edit.makeBlob(fontMgr, font);
  edit.caretIndex = edit.boxes.size();
  edit.makeCaretVisible();

  FontMetrics metrics;
  font->metrics(&metrics);
  edit.caretHeight = metrics.descent - metrics.ascent + metrics.leading;
  edit.caretBaseLine = -metrics.ascent - metrics.leading;

  system->finishLaunching();
  system->activateApp();

  // Wait until a key is pressed or the window is closed
  EventQueue* queue = system->eventQueue();
  gfx::Point mousePos;
  bool running = true;
  bool redraw = true;
  while (running) {
    if (redraw) {
      redraw = false;
      draw_window(system.get(), window.get(), fontMgr, font, fontBig, mousePos, edit);
    }

    Event ev;
    queue->getEvent(ev, 0.5);

    // Timer timeout (blink caret)
    while ((base::current_tick() - edit.caretTick) > 500) {
      edit.caretTick += 500;
      edit.caretVisible = !edit.caretVisible;
      redraw = true;
    }

    switch (ev.type()) {
      case Event::CloseWindow: running = false; break;