/*
 *  Gnome Set game - img.c
 *  Copyright 2007 Kirill Gorelov
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

#include "img.h"
#include "debug.h"

Img* img_new(void) 
{
	Img *image;
	
	DBG(IMG_DEBUG, "Creating new image...\n");
	image = g_new(Img, 1);

	image->width = 0;
	image->height = 0;
	image->pixbuf = NULL;

	return image;
}


Img* img_new_from_file(const gchar *filename)
{
	Img *image;
	GError *err = NULL;

	DBG(IMG_DEBUG, "Loading image from file %s\n", filename);

	if (filename == NULL)
		return NULL;
	
	image = img_new();
	image->pixbuf = gdk_pixbuf_new_from_file(filename, &err);

	if (image->pixbuf == NULL) {
		printf("%s:: Error: %s\n", __func__, err->message);
		g_assert_not_reached();
	}

	image->width = gdk_pixbuf_get_width(image->pixbuf);
	image->height = gdk_pixbuf_get_height(image->pixbuf);

	return image;
}

GdkPixbuf* img_render (Img *image, gint width, gint height)
{
	GdkPixbuf *pixbuf;

	g_return_val_if_fail (width > 0 && height > 0, NULL);
	g_return_val_if_fail (image != NULL, NULL);

	pixbuf = gdk_pixbuf_scale_simple (image->pixbuf, width, height,
		GDK_INTERP_BILINEAR);

	return pixbuf;
}

void img_free(Img *image)
{
	g_object_unref(image->pixbuf);
	g_free(image);
}