#include <X11/Xlib.h>
#include <X11/extensions/XShm.h>
#include <X11/Xutil.h>
#include <X11/extensions/shape.h>
#include <X11/Xatom.h>
#include <X11/Xos.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <math.h>

/*
#include <sys/time.h>
#include "common.h"
#include "image.h"
#include "rend.h"
#include "rgba.h"
#include "ximage.h"
#include "color.h"
 */
#include "Imlib2.h"

Display *disp;
Window win;
Visual *vis;
Colormap cm;
int depth;

int main (int argc, char **argv)
{
   int i, j, w, h, x, y;
   Imlib_Image im = NULL, im_bg = NULL;
   XEvent ev;
   
   /**
    * Initialization according to options
    */
   printf("Initialising\n");
   
   /**
    * First tests to determine which rendering task to perform
    */
   disp  = XOpenDisplay(NULL);
   vis   = DefaultVisual(disp, DefaultScreen(disp));
   depth = DefaultDepth(disp, DefaultScreen(disp));    
   cm    = DefaultColormap(disp, DefaultScreen(disp));
   win   = XCreateSimpleWindow(disp, DefaultRootWindow(disp), 0, 0, 100, 100, 0, 0, 0);
   XSelectInput(disp, win, ButtonPressMask | ButtonReleaseMask | 
		ButtonMotionMask | PointerMotionMask | ExposureMask);
   XMapWindow(disp, win);
   
   /**
    * Start rendering
    */
   printf("Rendering\n");
   imlib_context_set_display(disp);
   imlib_context_set_visual(vis);
   imlib_context_set_colormap(cm);
   imlib_context_set_drawable(win);
   imlib_context_set_blend(0);
   imlib_context_set_color_modifier(NULL);
     
   im_bg = imlib_load_image("test_images/imlib2.png");
   im = imlib_load_image("test_images/imlib2.png");
   
   imlib_context_set_image(im_bg);
   w = imlib_image_get_width();
   h = imlib_image_get_height();
   printf( "Resizing Window to %d by %d\n", w, h );
   XResizeWindow(disp, win, w, h);
   XSync(disp, False);
   x = -9999;
   y = -9999;
   while (1)
   {
      Imlib_Image *temp, *temp2;
      do 
      {
	 XNextEvent(disp, &ev);
	 switch (ev.type)
	 {
	  case Expose:
	    break;
	  case ButtonRelease:
	    exit(0);
	    break;
	  case MotionNotify:
	    x = ev.xmotion.x;
	    y = ev.xmotion.y;
	  default:
	    break;
	    
	 }
      }
      while (XPending(disp));
      
      imlib_context_set_blend( 0 );
      imlib_context_set_image(im_bg);    
      temp = imlib_clone_image();
      imlib_context_set_image( temp );
	
      /*    imlib_blend_image_onto_image(im_bg, 0,
				   0, 0, w, h,
				   0, 0, w, h);
      first = 0;*/
      
      imlib_apply_filter("bump_map_point(x=[],y=[],map=test_images/imlib2.png);", &x, &y );

      temp2 = im_bg;
      im_bg = temp;
      imlib_context_set_image(im_bg);
      imlib_render_image_on_drawable(0, 0 );
      im_bg = temp2;
      imlib_context_set_image(temp);
      imlib_free_image_and_decache();
   }

   return 0;
}