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+/* 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
+ * <https://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 = g_strdup ("constant");
+
+ for (i = 0; i < GIMP_PIXPIPE_MAXDIM; i++)
+ params->selection[i] = g_strdup ("random");
+
+ 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)
+ {
+ g_free (params->placement);
+ params->placement = g_strdup (r + 1);
+ }
+ }
+ 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)
+ {
+ g_free (params->selection[i]);
+ params->selection[i] = g_strdup (r + 1);
+ }
+ }
+ }
+ 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);
+}
+
+void
+gimp_pixpipe_params_free (GimpPixPipeParams *params)
+{
+ gint i;
+
+ g_free (params->placement);
+
+ for (i = 0; i < GIMP_PIXPIPE_MAXDIM; i++)
+ g_free (params->selection[i]);
+}