/* There is no licence for this, I don't care what you do with it */
#include <stdio.h>
#include <stdlib.h>

#include <webkit/webkit.h>

#define WIDTH 2000

/* compile with:
gcc -o webkit-image-gtk webkit-image-gtk.c `pkg-config --cflags --libs webkit-1.0`
*/

static void
on_finished (WebKitWebView *view, WebKitWebFrame *frame)
{
	GdkPixmap *pixmap;
	GdkColormap *cmap;
	GdkPixbuf *pixbuf;
	gchar *buffer;
	gsize size;

	pixmap = gtk_widget_get_snapshot (GTK_WIDGET (view), NULL);
	cmap = gdk_colormap_get_system ();
	pixbuf = gdk_pixbuf_get_from_drawable (NULL, GDK_DRAWABLE (pixmap), cmap,
					       0, 0, 0, 0, WIDTH, WIDTH);

	gdk_pixbuf_save_to_buffer (pixbuf, &buffer, &size, "png", NULL, NULL);

	fwrite (buffer, 1, size, stdout);

	exit (1);
}

int main (int argc, char **argv)
{
	GtkWidget *window;
	GtkWidget *view;

	if (argc != 2)
		exit (20);

	gtk_init (&argc, &argv);

	window = gtk_window_new (GTK_WINDOW_POPUP);

	/* Check if compositing window manager is running, needs one for now */
	if (gtk_widget_is_composited (window))
		gtk_window_set_opacity (GTK_WINDOW (window), 0.0);
	else
		g_error ("This requires a compositing window manager for now");

	view = webkit_web_view_new ();
	webkit_web_view_open (WEBKIT_WEB_VIEW (view), argv[1]);
	gtk_widget_set_size_request (view, WIDTH, WIDTH);
	gtk_container_add (GTK_CONTAINER (window), view);

	gtk_widget_show_all (window);

	g_signal_connect (G_OBJECT (view), "load-finished",
			  G_CALLBACK (on_finished), NULL);

	gtk_main ();
	return 0;
}