gtk/gdk-pixbuf/gdk-pixbuf-csource.c

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/* Gdk-Pixbuf-CSource - GdkPixbuf based image CSource generator
* Copyright (C) 1999, 2001 Tim Janik
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "config.h"
#define __GTK_H_INSIDE__
#include "../gtk/gtkversion.h" /* versioning */
#undef __GTK_H_INSIDE__
#include "gdk-pixbuf.h"
#include "gdk-pixdata.h"
#include <glib/gprintf.h>
#include <stdlib.h>
#include <string.h>
/* --- defines --- */
#undef G_LOG_DOMAIN
#define G_LOG_DOMAIN "Gdk-Pixbuf-CSource"
#define PRG_NAME "gdk-pixbuf-csource"
#define PKG_NAME "Gtk+"
#define PKG_HTTP_HOME "http://www.gtk.org"
/* --- prototypes --- */
static void parse_args (gint *argc_p,
gchar ***argv_p);
static void print_blurb (FILE *bout,
gboolean print_help);
/* --- variables --- */
static guint gen_type = GDK_PIXDATA_DUMP_PIXDATA_STREAM;
static guint gen_ctype = GDK_PIXDATA_DUMP_GTYPES | GDK_PIXDATA_DUMP_STATIC | GDK_PIXDATA_DUMP_CONST;
static gboolean use_rle = TRUE;
static gboolean with_decoder = FALSE;
static gchar *image_name = "my_pixbuf";
static gboolean build_list = FALSE;
/* --- functions --- */
static void
print_csource (FILE *f_out,
GdkPixbuf *pixbuf)
{
GdkPixdata pixdata;
gpointer free_me;
GString *gstring;
free_me = gdk_pixdata_from_pixbuf (&pixdata, pixbuf, use_rle);
gstring = gdk_pixdata_to_csource (&pixdata, image_name,
gen_type | gen_ctype |
(with_decoder ? GDK_PIXDATA_DUMP_RLE_DECODER : 0));
g_fprintf (f_out, "%s\n", gstring->str);
g_free (free_me);
}
int
main (int argc,
char *argv[])
{
GdkPixbuf *pixbuf;
GError *error = NULL;
gchar *infilename;
/* initialize glib/GdkPixbuf */
g_type_init ();
/* parse args and do fast exits */
parse_args (&argc, &argv);
if (!build_list)
{
if (argc != 2)
{
print_blurb (stderr, TRUE);
return 1;
}
#ifdef G_OS_WIN32
infilename = g_locale_to_utf8 (argv[1], -1, NULL, NULL, NULL);
#else
infilename = argv[1];
#endif
pixbuf = gdk_pixbuf_new_from_file (infilename, &error);
if (!pixbuf)
{
g_fprintf (stderr, "failed to load \"%s\": %s\n",
argv[1],
error->message);
g_error_free (error);
return 1;
}
print_csource (stdout, pixbuf);
g_object_unref (pixbuf);
}
else /* parse name, file pairs */
{
gchar **p = argv + 1;
guint j = argc - 1;
gboolean toggle = FALSE;
while (j--)
{
#ifdef G_OS_WIN32
infilename = g_locale_to_utf8 (*p, -1, NULL, NULL, NULL);
#else
infilename = *p;
#endif
if (!toggle)
{
image_name = infilename;
p++;
}
else
{
pixbuf = gdk_pixbuf_new_from_file (infilename, &error);
if (!pixbuf)
{
g_fprintf (stderr, "failed to load \"%s\": %s\n",
*p,
error->message);
g_error_free (error);
return 1;
}
print_csource (stdout, pixbuf);
g_object_unref (pixbuf);
p++;
}
toggle = !toggle;
}
}
return 0;
}
static void
parse_args (gint *argc_p,
gchar ***argv_p)
{
guint argc = *argc_p;
gchar **argv = *argv_p;
guint i, e;
for (i = 1; i < argc; i++)
{
if (strcmp ("--macros", argv[i]) == 0)
{
gen_type = GDK_PIXDATA_DUMP_MACROS;
argv[i] = NULL;
}
else if (strcmp ("--struct", argv[i]) == 0)
{
gen_type = GDK_PIXDATA_DUMP_PIXDATA_STRUCT;
argv[i] = NULL;
}
else if (strcmp ("--stream", argv[i]) == 0)
{
gen_type = GDK_PIXDATA_DUMP_PIXDATA_STREAM;
argv[i] = NULL;
}
else if (strcmp ("--rle", argv[i]) == 0)
{
use_rle = TRUE;
argv[i] = NULL;
}
else if (strcmp ("--raw", argv[i]) == 0)
{
use_rle = FALSE;
argv[i] = NULL;
}
else if (strcmp ("--extern", argv[i]) == 0)
{
gen_ctype &= ~GDK_PIXDATA_DUMP_STATIC;
argv[i] = NULL;
}
else if (strcmp ("--static", argv[i]) == 0)
{
gen_ctype |= GDK_PIXDATA_DUMP_STATIC;
argv[i] = NULL;
}
else if (strcmp ("--decoder", argv[i]) == 0)
{
with_decoder = TRUE;
argv[i] = NULL;
}
else if ((strcmp ("--name", argv[i]) == 0) ||
(strncmp ("--name=", argv[i], 7) == 0))
{
gchar *equal = argv[i] + 6;
if (*equal == '=')
image_name = g_strdup (equal + 1);
else if (i + 1 < argc)
{
image_name = g_strdup (argv[i + 1]);
argv[i] = NULL;
i += 1;
}
argv[i] = NULL;
}
else if (strcmp ("--build-list", argv[i]) == 0)
{
build_list = TRUE;
argv[i] = NULL;
}
else if (strcmp ("-h", argv[i]) == 0 ||
strcmp ("--help", argv[i]) == 0)
{
print_blurb (stderr, TRUE);
argv[i] = NULL;
exit (0);
}
else if (strcmp ("-v", argv[i]) == 0 ||
strcmp ("--version", argv[i]) == 0)
{
print_blurb (stderr, FALSE);
argv[i] = NULL;
exit (0);
}
else if (strcmp (argv[i], "--g-fatal-warnings") == 0)
{
GLogLevelFlags fatal_mask;
fatal_mask = g_log_set_always_fatal (G_LOG_FATAL_MASK);
fatal_mask |= G_LOG_LEVEL_WARNING | G_LOG_LEVEL_CRITICAL;
g_log_set_always_fatal (fatal_mask);
argv[i] = NULL;
}
}
e = 0;
for (i = 1; i < argc; i++)
{
if (e)
{
if (argv[i])
{
argv[e++] = argv[i];
argv[i] = NULL;
}
}
else if (!argv[i])
e = i;
}
if (e)
*argc_p = e;
}
static void
print_blurb (FILE *bout,
gboolean print_help)
{
if (!print_help)
{
g_fprintf (bout, "%s version ", PRG_NAME);
g_fprintf (bout, "%d.%d.%d", GTK_MAJOR_VERSION, GTK_MINOR_VERSION, GTK_MICRO_VERSION);
g_fprintf (bout, "\n");
g_fprintf (bout, "%s comes with ABSOLUTELY NO WARRANTY.\n", PRG_NAME);
g_fprintf (bout, "You may redistribute copies of %s under the terms of\n", PRG_NAME);
g_fprintf (bout, "the GNU Lesser General Public License which can be found in the\n");
g_fprintf (bout, "%s source package. Sources, examples and contact\n", PKG_NAME);
g_fprintf (bout, "information are available at %s\n", PKG_HTTP_HOME);
}
else
{
g_fprintf (bout, "Usage: %s [options] [image]\n", PRG_NAME);
g_fprintf (bout, " %s [options] --build-list [[name image]...]\n", PRG_NAME);
g_fprintf (bout, " --stream generate pixbuf data stream\n");
g_fprintf (bout, " --struct generate GdkPixdata structure\n");
g_fprintf (bout, " --macros generate image size/pixel macros\n");
g_fprintf (bout, " --rle use one byte run-length-encoding\n");
g_fprintf (bout, " --raw provide raw image data copy\n");
g_fprintf (bout, " --extern generate extern symbols\n");
g_fprintf (bout, " --static generate static symbols\n");
g_fprintf (bout, " --decoder provide rle decoder\n");
g_fprintf (bout, " --name=identifier C macro/variable name\n");
g_fprintf (bout, " --build-list parse (name, image) pairs\n");
g_fprintf (bout, " -h, --help show this help message\n");
g_fprintf (bout, " -v, --version print version informations\n");
g_fprintf (bout, " --g-fatal-warnings make warnings fatal (abort)\n");
}
}