#include <drawing.h>
Drawing:: 
  

Drawing::Drawing(int x,int y,int w,int h) 
	: Fl_Widget(x,y,w,h), x1(0), y1(0), x2(0), y2(0), modo(PRIMER_PUNTO) 
{
}

void Drawing::draw() 
{
    fl_clip(x(),y(),w(),h());

    fl_color(fl_rgb_color(223, 223, 223));
    fl_rectf(x(),y(),w(),h());
    fl_color(FL_BLUE);
    fl_line_style(FL_SOLID, 2);

    if (modo == ARRASTRE) {
      fl_color(FL_BACKGROUND_COLOR);
      fl_begin_line();
      fl_vertex(x1,y1);
      fl_vertex(x2,y2);
      fl_end_line();
      fl_color(FL_GREEN);
      fl_begin_line();
      fl_vertex(x1,y1);
      fl_vertex(x2,y2);
      fl_end_line();
    }
    if (modo == SEGUNDO_PUNTO) 
    {
      fl_begin_line();
      fl_vertex(x1,y1);
      fl_vertex(x2,y2);
      fl_end_line();
    }

    fl_pop_clip();
  }

int Drawing::handle (int evento) 
{
	switch (evento) 
	{
   	case FL_DRAG:
			modo = ARRASTRE;
			x2 = Fl::event_x();
			y2 = Fl::event_y();
			redraw();
			return 1;
		case FL_RELEASE:
      	modo = SEGUNDO_PUNTO; 
			x2 = Fl::event_x();
			y2 = Fl::event_y();
      	redraw();
      	return 1;
      	break;
    	case FL_PUSH:
			modo = PRIMER_PUNTO; 
			x1 = Fl::event_x();
			y1 = Fl::event_y();
			return 1;
			break;
    	default:
      	return 0;
	}
}