File: blur.c

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/*
 * Copyright (C) 2014 ~ 2018 Deepin Technology Co., Ltd.
 *
 * Author:     jouyouyun <jouyouwen717@gmail.com>
 *
 * 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 3 of the License, or
 * 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, see <http://www.gnu.org/licenses/>.
 */

#include <stdio.h>
#include <glib.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
#include "gaussianiir2d.h"

int blur(GdkPixbuf *pixbuf, double sigma, double numsteps) {
    int width = gdk_pixbuf_get_width(pixbuf);
    int height = gdk_pixbuf_get_height(pixbuf);
    int rowstride = gdk_pixbuf_get_rowstride(pixbuf);
    int n_channels = gdk_pixbuf_get_n_channels(pixbuf);
    guchar *image_data = gdk_pixbuf_get_pixels(pixbuf);
    gaussianiir2d_pixbuf_c(image_data, width, height,
                           rowstride, n_channels, sigma, numsteps);
    return TRUE;
}