fltk_hello world

int main(int argc, char *argv[])

{

#define WINDOW_BG FL_BLACK

#define WINDOW_WIDTH 640

#define WINDOW_HEIGHT 480

#define BOX_WIDTH 100

#define BOX_HEIGHT 40

#define TEXT_COLOR FL_GREEN

#define TEXT_FONT FL_BOLD

#define TEXT_SIZE 40

// replace by xml ?

    const char* pszText = "Hello FLTK";

    int iW = ;

    int iH = ;

    Fl_Double_Window win(, );

    win.color(FL_BLACK);

    fl_font(TEXT_FONT, TEXT_SIZE);

    fl_measure(pszText, iW, iH);

    Fl_Box* box = new Fl_Box(WINDOW_WIDTH/ - iW/, WINDOW_HEIGHT/ - iH/, iW, iH);

    box->box(FL_FLAT_BOX);

    box->color(TEXT_COLOR);

    box->labelfont(TEXT_FONT);

    box->labelsize(TEXT_SIZE);

    box->label(pszText);

    win.show();

    win.end();

    return Fl::run();

}