gimp/plug-ins/common/guillotine.c

223 lines
5.5 KiB
C

/*
* Guillotine plug-in v0.9 by Adam D. Moss, adam@foxbox.org. 1998/09/01
*/
/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* 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.
*/
/*
* HISTORY:
* 0.9 : 1998/09/01
* Initial release.
*/
#include "config.h"
#include <stdlib.h>
#include <libgimp/gimp.h>
#include "libgimp/stdplugins-intl.h"
/* Declare local functions.
*/
static void query (void);
static void run (gchar *name,
gint nparams,
GimpParam *param,
gint *nreturn_vals,
GimpParam **return_vals);
static void guillotine (gint32 image_ID);
GimpPlugInInfo PLUG_IN_INFO =
{
NULL, /* init_proc */
NULL, /* quit_proc */
query, /* query_proc */
run, /* run_proc */
};
MAIN ()
static void
query (void)
{
static GimpParamDef args[] =
{
{ GIMP_PDB_INT32, "run_mode", "Interactive, non-interactive" },
{ GIMP_PDB_IMAGE, "image", "Input image" },
{ GIMP_PDB_DRAWABLE, "drawable", "Input drawable (unused)" }
};
gimp_install_procedure ("plug_in_guillotine",
"Slice up the image into subimages, cutting along "
"the image's Guides. Fooey to you and your "
"broccoli, Pokey.",
"This function takes an image and blah blah. Hooray!",
"Adam D. Moss (adam@foxbox.org)",
"Adam D. Moss (adam@foxbox.org)",
"1998",
N_("<Image>/Image/Transform/Guillotine"),
"RGB*, INDEXED*, GRAY*",
GIMP_PLUGIN,
G_N_ELEMENTS (args), 0,
args, NULL);
}
static void
run (gchar *name,
gint nparams,
GimpParam *param,
gint *nreturn_vals,
GimpParam **return_vals)
{
static GimpParam values[1];
gint32 image_ID;
GimpPDBStatusType status = GIMP_PDB_SUCCESS;
*nreturn_vals = 1;
*return_vals = values;
values[0].type = GIMP_PDB_STATUS;
values[0].data.d_status = status;
INIT_I18N();
/* Get the specified drawable */
image_ID = param[1].data.d_image;
if (status == GIMP_PDB_SUCCESS)
{
gimp_progress_init (_("Guillotine..."));
guillotine (image_ID);
gimp_displays_flush ();
}
values[0].data.d_status = status;
}
static gint
guide_sort_func (gconstpointer a,
gconstpointer b)
{
return GPOINTER_TO_INT (a) - GPOINTER_TO_INT (b);
}
static void
guillotine (gint32 image_ID)
{
gint guide_num;
gboolean guides_found;
GList *hguides, *hg;
GList *vguides, *vg;
hguides = g_list_append (NULL, GINT_TO_POINTER (0));
vguides = g_list_append (NULL, GINT_TO_POINTER (0));
hguides = g_list_append (hguides,
GINT_TO_POINTER (gimp_image_height (image_ID)));
vguides = g_list_append (vguides,
GINT_TO_POINTER (gimp_image_width (image_ID)));
guide_num = gimp_image_find_next_guide (image_ID, 0);
guides_found = (guide_num != 0);
while (guide_num > 0)
{
gint position = gimp_image_get_guide_position (image_ID, guide_num);
switch (gimp_image_get_guide_orientation (image_ID, guide_num))
{
case GIMP_HORIZONTAL:
hguides = g_list_insert_sorted (hguides, GINT_TO_POINTER (position),
guide_sort_func);
break;
case GIMP_VERTICAL:
vguides = g_list_insert_sorted (vguides, GINT_TO_POINTER (position),
guide_sort_func);
break;
case GIMP_UNKNOWN:
g_assert_not_reached ();
break;
}
guide_num = gimp_image_find_next_guide (image_ID, guide_num);
}
if (guides_found)
{
gchar *filename;
gint x, y;
filename = gimp_image_get_filename (image_ID);
if (!filename)
filename = g_strdup (_("Untitled"));
/* Do the actual dup'ing and cropping... this isn't a too naive a
way to do this since we got copy-on-write tiles, either. */
for (y = 0, hg = hguides; hg && hg->next; y++, hg = hg->next)
{
for (x = 0, vg = vguides; vg && vg->next; x++, vg = vg->next)
{
gint32 new_image = gimp_image_duplicate (image_ID);
gchar *new_filename;
if (new_image == -1)
{
g_warning ("Couldn't create new image.");
return;
}
gimp_image_undo_disable (new_image);
gimp_image_crop (new_image,
GPOINTER_TO_INT (vg->next->data) -
GPOINTER_TO_INT (vg->data),
GPOINTER_TO_INT (hg->next->data) -
GPOINTER_TO_INT (hg->data),
GPOINTER_TO_INT (vg->data),
GPOINTER_TO_INT (hg->data));
/* show the rough coordinates of the image in the title */
new_filename = g_strdup_printf ("%s-(%i,%i)",
filename,
x, y);
gimp_image_set_filename (new_image, new_filename);
g_free (new_filename);
gimp_image_undo_enable (new_image);
gimp_display_new (new_image);
}
}
g_free (filename);
}
g_list_free (hguides);
g_list_free (vguides);
}