import original 0.11

git-svn-id: https://forgesvn1.novell.com/svn/original/trunk@2 4fa712ea-3c06-0410-9261-c11b4c06c003

1 files changed, 226 insertions, 0 deletions

diff --git a/convert/gdk-pixbuf-convert.c b/convert/gdk-pixbuf-convert.c
new file mode 100644
index 0000000..2bdbeca
--- /dev/null
+++ b/convert/gdk-pixbuf-convert.c
@@ -0,0 +1,226 @@
+/* -*- 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);
+}