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gimp/plug-ins/common/guillotine.c

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/*
* 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 <stdio.h>
#include <stdlib.h>
#include "config.h"
#include "libgimp/gimp.h"
#include "libgimp/stdplugins-intl.h"
/* Declare local functions.
*/
static void query (void);
static void guillotine (gint32 image_ID);
static void run (char *name,
int nparams,
GParam *param,
int *nreturn_vals,
GParam **return_vals);
GPlugInInfo PLUG_IN_INFO =
{
NULL, /* init_proc */
NULL, /* quit_proc */
query, /* query_proc */
run, /* run_proc */
};
MAIN ()
static void
query (void)
{
static GParamDef args[] =
{
{ PARAM_INT32, "run_mode", "Interactive, non-interactive" },
{ PARAM_IMAGE, "image", "Input image" },
{ PARAM_DRAWABLE, "drawable", "Input drawable (unused)" },
};
static GParamDef *return_vals = NULL;
static int nargs = sizeof (args) / sizeof (args[0]);
static int nreturn_vals = 0;
INIT_I18N();
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/Transforms/Guillotine"),
"RGB*, INDEXED*, GRAY*",
PROC_PLUG_IN,
nargs, nreturn_vals,
args, return_vals);
}
static void
run (char *name,
int nparams,
GParam *param,
int *nreturn_vals,
GParam **return_vals)
{
static GParam values[1];
gint32 image_ID;
GStatusType status = STATUS_SUCCESS;
*nreturn_vals = 1;
*return_vals = values;
values[0].type = PARAM_STATUS;
values[0].data.d_status = status;
INIT_I18N();
/* Get the specified drawable */
image_ID = param[1].data.d_image;
if (status == STATUS_SUCCESS)
{
gimp_progress_init (_("Guillotine..."));
guillotine (image_ID);
gimp_displays_flush ();
}
values[0].data.d_status = status;
}
int unexciting (const void *a, const void *b)
{
gint j = *(gint*)a;
gint k = *(gint*)b;
return (j-k);
}
static void
guillotine(gint32 image_ID)
{
gint num_vguides;
gint num_hguides;
gint guide_num;
gint* hguides;
gint* vguides;
gchar filename[1024];
gint i,x,y;
GParam *return_vals;
gint nreturn_vals;
num_vguides = 0;
num_hguides = 0;
guide_num = gimp_image_find_next_guide(image_ID, 0);
/* Count the guides so we can allocate appropriate memory */
if (guide_num>0)
{
do
{
switch (gimp_image_get_guide_orientation(image_ID, guide_num))
{
case ORIENTATION_VERTICAL:
num_vguides++; break;
case ORIENTATION_HORIZONTAL:
num_hguides++; break;
default:
printf(_("Aie! Aie! Aie!\n"));
gimp_quit();
}
guide_num = gimp_image_find_next_guide(image_ID, guide_num);
}
while (guide_num>0);
}
if (num_vguides+num_hguides)
{
printf(_("Yay... found %d horizontal guides and %d vertical guides.\n"),
num_hguides, num_vguides);
}
else
{
printf(_("Poopy, no guides.\n"));
return;
}
/* Allocate memory for the arrays of guide offsets, build arrays */
vguides = g_malloc ((num_vguides+2) * sizeof(gint));
hguides = g_malloc ((num_hguides+2) * sizeof(gint));
num_vguides = 0;
num_hguides = 0;
vguides[num_vguides++] = 0;
hguides[num_hguides++] = 0;
guide_num = gimp_image_find_next_guide(image_ID, 0);
if (guide_num>0)
{
do
{
switch (gimp_image_get_guide_orientation(image_ID, guide_num))
{
case ORIENTATION_VERTICAL:
vguides[num_vguides++] =
gimp_image_get_guide_position(image_ID, guide_num); break;
case ORIENTATION_HORIZONTAL:
hguides[num_hguides++] =
gimp_image_get_guide_position(image_ID, guide_num); break;
default:
printf("Aie! Aie! Aie! Too!\n");
gimp_quit();
}
guide_num = gimp_image_find_next_guide(image_ID, guide_num);
}
while (guide_num>0);
}
vguides[num_vguides++] = gimp_image_width(image_ID);
hguides[num_hguides++] = gimp_image_height(image_ID);
qsort(hguides, num_hguides, sizeof(gint), &unexciting);
qsort(vguides, num_vguides, sizeof(gint), &unexciting);
for (i=0;i<num_vguides;i++)
printf("%d,",vguides[i]);
printf("\n");
for (i=0;i<num_hguides;i++)
printf("%d,",hguides[i]);
printf("\n");
/* 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; y<num_hguides-1; y++)
{
for (x=0; x<num_vguides-1; x++)
{
gint32 new_image;
return_vals =
gimp_run_procedure("gimp_channel_ops_duplicate", &nreturn_vals,
PARAM_IMAGE, image_ID,
PARAM_END);
if (return_vals[0].data.d_status == STATUS_SUCCESS)
new_image = return_vals[1].data.d_int32;
else
{
printf("Aie3!\n");
return;
}
gimp_image_disable_undo (new_image);
gimp_run_procedure ("gimp_undo_push_group_start", &nreturn_vals,
PARAM_IMAGE, new_image,
PARAM_END);
/* printf("(%dx%d:%d,%d:%d,%d)\n", */
/* (vguides[x+1]-vguides[x]), */
/* (hguides[y+1]-hguides[y]), */
/* vguides[x], hguides[y],x, y); */
gimp_run_procedure("gimp_crop", &nreturn_vals,
PARAM_IMAGE, new_image,
PARAM_INT32, (vguides[x+1]-vguides[x]),
PARAM_INT32, (hguides[y+1]-hguides[y]),
PARAM_INT32, vguides[x],
PARAM_INT32, hguides[y],
PARAM_END);
gimp_run_procedure ("gimp_undo_push_group_end", &nreturn_vals,
PARAM_IMAGE, new_image,
PARAM_END);
gimp_image_enable_undo (new_image);
/* show the rough coordinates of the image in the title */
sprintf(filename, "%s-(%i,%i)", gimp_image_get_filename (image_ID),
x, y);
gimp_image_set_filename(new_image, filename);
gimp_display_new (new_image);
}
}
}
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