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Diffstat (limited to 'convert/gdk-pixbuf-convert.c')
| -rw-r--r-- | convert/gdk-pixbuf-convert.c | 226 |
1 files changed, 0 insertions, 226 deletions
diff --git a/convert/gdk-pixbuf-convert.c b/convert/gdk-pixbuf-convert.c deleted file mode 100644 index 2bdbeca..0000000 --- a/convert/gdk-pixbuf-convert.c +++ /dev/null @@ -1,226 +0,0 @@ -/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */ - -/* - * gdk-pixbuf-convert.c gdk pixbuf replacement for convert geometry commands - * - * Copyright (C) 2003 Ximian Inc. - * - * Author: Larry Ewing <lewing@ximian.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 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. - */ - -/* - * build with - * gcc `pkg-config --cflags gdk-pixbuf-2.0` gdk-pixbuf-convert.c -o gdk-pixbuf-convert `pkg-config --libs gdk-pixbuf-2.0` - */ - -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <string.h> -#include <gdk-pixbuf/gdk-pixbuf.h> -#include <glib-object.h> - -#define d(x) x - -typedef enum { - SAVE_JPG, - SAVE_PNG -} OutputType; - -GdkPixbuf * -scale (GdkPixbuf *src, char *geom) -{ - GdkPixbuf *dest = NULL; - char *s, *e; - guint w; - guint h; - guint src_w, dest_w; - guint src_h, dest_h; - double scale_w = 1.0; - double scale_h = 1.0; - gboolean force = FALSE; - - src_w = gdk_pixbuf_get_width (src); - src_h = gdk_pixbuf_get_height (src); - - /* d(printf ("%d %d ", src_w, src_h);) */ - - s = e = geom; - - w = strtol (s, &e, 10); - /* d(printf ("%d ", w);) */ - if (e != s) { - scale_w = w / (double)src_w; - } else { - w = 100; - } - - - if (*e == 'x') - e++; - else - return NULL; - - s = e; - - h = strtol (s, &e, 10); - /* d(printf ("%d ", h);) */ - if (e != s) { - scale_h = h / (double)src_h; - } else { - h = 100; - } - - if (*e == '%') { - scale_h = h / 100.0; - scale_w = w / 100.0; - e++; - } - - /* d(printf ("%f %f\n", scale_w, scale_h);) */ - - while (*e) { - switch (*e) { - case '!': - force = TRUE; - break; - case '>': - if (scale_w >= 1.0 && scale_h >= 1.0) - scale_w = scale_h = 1.0; - break; - case '<': - if (scale_w < 1.0 || scale_h <= 1.0) - scale_w = scale_h = 1.0; - break; - default: - break; - } - e++; - } - - if (!force) { - /* Keep aspect ratio */ - scale_w = scale_h = MIN (scale_h, scale_w); - } - - dest_w = (int)(src_w * scale_w + 0.5); - dest_h = (int)(src_h * scale_h + 0.5); - - /* printf ("%dx%d\n", dest_w, dest_h); */ - - /* dest = gdk_pixbuf_scale_simple (src, dest_w, dest_h, GDK_INTERP_BILINEAR);*/ - dest = gdk_pixbuf_scale_simple (src, dest_w, dest_h, GDK_INTERP_HYPER); - - return dest; -} - -OutputType -get_filetype (char *filename) -{ - gint len = strlen (filename); - - if (len > 4 && g_ascii_strncasecmp (filename + len - 4, ".png", 4)== 0) - return SAVE_PNG; - else - return SAVE_JPG; -} - -int -convert (char *geom, char *quality, char *sfile, char *dfile) -{ - GdkPixbuf *src; - GdkPixbuf *dest; - GError *error = NULL; - - src = gdk_pixbuf_new_from_file (sfile, &error); - - if (!src) { - fprintf (stderr, "Unable to open input file"); - return 1; - } - - if (geom) { - dest = scale (src, geom); - } else { - dest = src; - g_object_ref (dest); - } - - if (!dest) - return 1; - - unlink (dfile); - if (get_filetype (dfile) == SAVE_JPG) - gdk_pixbuf_save (dest, dfile, "jpeg", &error, - "quality", quality, NULL); - else - gdk_pixbuf_save (dest, dfile, "png", &error, NULL); - - g_object_unref (src); - g_object_unref (dest); - - if (error) { - return 1; - } - - return 0; -} - -int -main (int argc, char **argv) -{ - char *dfile; - char *sfile; - char *geom = NULL; - char *quality = "100"; - - g_type_init (); - - if (argc > 4) { - int i = 1; - if (!g_ascii_strcasecmp (argv[i], "-geometry")) { - i++; - geom = argv[i++]; - if (argc < 5) - goto usage; - } - if (!g_ascii_strcasecmp (argv[i], "-quality")) { - i++; - quality = argv[i++]; - if (argc < 7) - goto usage; - if ((atoi(quality) < 0) || (atoi(quality) > 100)) { - g_print ("Value for '-quality' must be in range 0-100!\n"); - goto usage; - } - } - sfile = argv[i++]; - dfile = argv[i++]; - } else { - goto usage; - } - - return convert (geom, quality, sfile, dfile); - - usage: - g_print ("Usage:\n"); - g_print (" gdk-pixbuf-convert -geometry <X>x<Y> [-quality <0-100>] <input> <output>\n"); - g_print ("\n"); - g_print ("Example:\n"); - g_print (" gdk-pixbuf-convert -geometry 120x120 -quality 75 foo.jpg bar.jpg\n"); - exit (2); -} |