gimp/libgimpbase/gimpparasiteio.c

196 lines
4.9 KiB
C

/* LIBGIMP - The GIMP Library
* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
*
* gimpparasiteio.c
* Copyright (C) 1999 Tor Lillqvist <tml@iki.fi>
*
* 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 3 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, see
* <http://www.gnu.org/licenses/>.
*/
/*
* Functions for building and parsing string representations of
* various standard parasite types.
*/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <glib.h>
#include "gimpparasiteio.h"
/**
* SECTION: gimpparasiteio
* @title: gimpparasiteio
* @short_description: Utility functions to (de)serialize certain C
* structures to/from #GimpParasite's.
* @see_also: #GimpParasite
*
* Utility functions to (de)serialize certain C structures to/from*
* #GimpParasite's.
**/
void
gimp_pixpipe_params_init (GimpPixPipeParams *params)
{
gint i;
g_return_if_fail (params != NULL);
params->step = 100;
params->ncells = 1;
params->cellwidth = 1;
params->cellheight = 1;
params->dim = 1;
params->cols = 1;
params->rows = 1;
params->placement = "constant";
params->free_placement_string = FALSE;
for (i = 0; i < GIMP_PIXPIPE_MAXDIM; i++)
{
params->selection[i] = "random";
params->free_selection_string = FALSE;
}
params->rank[0] = 1;
for (i = 1; i < GIMP_PIXPIPE_MAXDIM; i++)
params->rank[i] = 0;
}
void
gimp_pixpipe_params_parse (const gchar *string,
GimpPixPipeParams *params)
{
gchar *copy;
gchar *p, *q, *r;
gint i;
g_return_if_fail (string != NULL);
g_return_if_fail (params != NULL);
copy = g_strdup (string);
q = copy;
while ((p = strtok (q, " \r\n")) != NULL)
{
q = NULL;
r = strchr (p, ':');
if (r)
*r = 0;
if (strcmp (p, "ncells") == 0)
{
if (r)
params->ncells = atoi (r + 1);
}
else if (strcmp (p, "step") == 0)
{
if (r)
params->step = atoi (r + 1);
}
else if (strcmp (p, "dim") == 0)
{
if (r)
{
params->dim = atoi (r + 1);
params->dim = CLAMP (params->dim, 1, GIMP_PIXPIPE_MAXDIM);
}
}
else if (strcmp (p, "cols") == 0)
{
if (r)
params->cols = atoi (r + 1);
}
else if (strcmp (p, "rows") == 0)
{
if (r)
params->rows = atoi (r + 1);
}
else if (strcmp (p, "cellwidth") == 0)
{
if (r)
params->cellwidth = atoi (r + 1);
}
else if (strcmp (p, "cellheight") == 0)
{
if (r)
params->cellheight = atoi (r + 1);
}
else if (strcmp (p, "placement") == 0)
{
if (r)
{
params->placement = g_strdup (r + 1);
params->free_placement_string = TRUE;
}
}
else if (strncmp (p, "rank", strlen ("rank")) == 0 && r)
{
if (r)
{
i = atoi (p + strlen ("rank"));
if (i >= 0 && i < params->dim)
params->rank[i] = atoi (r + 1);
}
}
else if (strncmp (p, "sel", strlen ("sel")) == 0 && r)
{
if (r)
{
i = atoi (p + strlen ("sel"));
if (i >= 0 && i < params->dim)
{
params->selection[i] = g_strdup (r + 1);
params->free_selection_string = TRUE;
}
}
}
if (r)
*r = ':';
}
g_free (copy);
}
gchar *
gimp_pixpipe_params_build (GimpPixPipeParams *params)
{
GString *str;
gint i;
g_return_val_if_fail (params != NULL, NULL);
str = g_string_new (NULL);
g_string_printf (str, "ncells:%d cellwidth:%d cellheight:%d "
"step:%d dim:%d cols:%d rows:%d placement:%s",
params->ncells, params->cellwidth, params->cellheight,
params->step, params->dim,
params->cols, params->rows,
params->placement);
for (i = 0; i < params->dim; i++)
{
g_string_append_printf (str, " rank%d:%d", i, params->rank[i]);
g_string_append_printf (str, " sel%d:%s", i, params->selection[i]);
}
return g_string_free (str, FALSE);
}