#ifndef ROTOR_NODES_DRAWING
#define ROTOR_NODES_DRAWING

#include "rotor.h"
#include <cairo.h>

namespace Rotor {
	class Draw: public Image_node {
		public:
			Draw(){image=nullptr;};
			Draw(map<string,string> &settings) {
				base_settings(settings);
			};
			~Draw(){ if (image) delete image;};
			Draw* clone(map<string,string> &_settings) { return new Draw(_settings);};
			Image *output(const Frame_spec &frame){
				if (image_inputs.size()) {
					if (image_inputs[0]->connection){
						//copy incoming image **writable
						if (image) delete image;
						image=(((Image_node*)image_inputs[0]->connection)->get_output(frame))->clone();                 
	                }
	                else image->setup(frame.w,frame.h);
			    }
			    else image->setup(frame.w,frame.h); //do this twice or use a goto			    
			    //draw onto new or input image
			    cairo_surface_t * cs = cairo_image_surface_create_for_data (image->RGBdata,
                                                         CAIRO_FORMAT_RGB24,
                                                         image->w,
                                                         image->h,
                                                         image->getStride());
			    cairo_t *c=cairo_create(cs);
			    cairo_rectangle(c, image->w/2, image->h/2, image->w, image->h);
				cairo_set_source_rgb(c, 1.0, 0.0, 0.0);
				cairo_fill(c);
				return image;
			}
		private:
			Image *image; //is an image generator
	};
}

#endif