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-rw-r--r--app/text/gimptext-parasite.c204
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diff --git a/app/text/gimptext-parasite.c b/app/text/gimptext-parasite.c
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+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * GimpText
+ * Copyright (C) 2003 Sven Neumann <sven@gimp.org>
+ *
+ * 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 3 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, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <string.h>
+#include <stdlib.h>
+
+#include <cairo.h>
+#include <gegl.h>
+#include <gdk-pixbuf/gdk-pixbuf.h>
+
+#include "libgimpbase/gimpbase.h"
+#include "libgimpcolor/gimpcolor.h"
+#include "libgimpconfig/gimpconfig.h"
+
+#include "text-types.h"
+
+#include "core/gimperror.h"
+
+#include "gimptext.h"
+#include "gimptext-parasite.h"
+#include "gimptext-xlfd.h"
+
+#include "gimp-intl.h"
+
+
+/****************************************/
+/* The native GimpTextLayer parasite. */
+/****************************************/
+
+const gchar *
+gimp_text_parasite_name (void)
+{
+ return "gimp-text-layer";
+}
+
+GimpParasite *
+gimp_text_to_parasite (const GimpText *text)
+{
+ GimpParasite *parasite;
+ gchar *str;
+
+ g_return_val_if_fail (GIMP_IS_TEXT (text), NULL);
+
+ str = gimp_config_serialize_to_string (GIMP_CONFIG (text), NULL);
+ g_return_val_if_fail (str != NULL, NULL);
+
+ parasite = gimp_parasite_new (gimp_text_parasite_name (),
+ GIMP_PARASITE_PERSISTENT,
+ strlen (str) + 1, str);
+ g_free (str);
+
+ return parasite;
+}
+
+GimpText *
+gimp_text_from_parasite (const GimpParasite *parasite,
+ GError **error)
+{
+ GimpText *text;
+ const gchar *str;
+
+ g_return_val_if_fail (parasite != NULL, NULL);
+ g_return_val_if_fail (strcmp (gimp_parasite_name (parasite),
+ gimp_text_parasite_name ()) == 0, NULL);
+ g_return_val_if_fail (error == NULL || *error == NULL, NULL);
+
+ str = gimp_parasite_data (parasite);
+
+ text = g_object_new (GIMP_TYPE_TEXT, NULL);
+
+ if (str != NULL)
+ {
+ gimp_config_deserialize_string (GIMP_CONFIG (text),
+ str,
+ gimp_parasite_data_size (parasite),
+ NULL,
+ error);
+ }
+ else
+ {
+ g_set_error_literal (error, GIMP_ERROR, GIMP_FAILED,
+ _("Empty text parasite"));
+ }
+
+ return text;
+}
+
+
+/****************************************************************/
+/* Compatibility to plug-in GDynText 1.4.4 and later versions */
+/* GDynText was written by Marco Lamberto <lm@geocities.com> */
+/****************************************************************/
+
+const gchar *
+gimp_text_gdyntext_parasite_name (void)
+{
+ return "plug_in_gdyntext/data";
+}
+
+enum
+{
+ TEXT = 0,
+ ANTIALIAS = 1,
+ ALIGNMENT = 2,
+ ROTATION = 3,
+ LINE_SPACING = 4,
+ COLOR = 5,
+ LAYER_ALIGNMENT = 6,
+ XLFD = 7,
+ NUM_PARAMS
+};
+
+GimpText *
+gimp_text_from_gdyntext_parasite (const GimpParasite *parasite)
+{
+ GimpText *retval = NULL;
+ GimpTextJustification justify;
+ const gchar *str;
+ gchar *text = NULL;
+ gchar **params;
+ gboolean antialias;
+ gdouble spacing;
+ GimpRGB rgb;
+ glong color;
+ gint i;
+
+ g_return_val_if_fail (parasite != NULL, NULL);
+ g_return_val_if_fail (strcmp (gimp_parasite_name (parasite),
+ gimp_text_gdyntext_parasite_name ()) == 0,
+ NULL);
+
+ str = gimp_parasite_data (parasite);
+ g_return_val_if_fail (str != NULL, NULL);
+
+ if (! g_str_has_prefix (str, "GDT10{")) /* magic value */
+ return NULL;
+
+ params = g_strsplit (str + strlen ("GDT10{"), "}{", -1);
+
+ /* first check that we have the required number of parameters */
+ for (i = 0; i < NUM_PARAMS; i++)
+ if (!params[i])
+ goto cleanup;
+
+ text = g_strcompress (params[TEXT]);
+
+ if (! g_utf8_validate (text, -1, NULL))
+ {
+ gchar *tmp = gimp_any_to_utf8 (text, -1, NULL);
+
+ g_free (text);
+ text = tmp;
+ }
+
+ antialias = atoi (params[ANTIALIAS]) ? TRUE : FALSE;
+
+ switch (atoi (params[ALIGNMENT]))
+ {
+ default:
+ case 0: justify = GIMP_TEXT_JUSTIFY_LEFT; break;
+ case 1: justify = GIMP_TEXT_JUSTIFY_CENTER; break;
+ case 2: justify = GIMP_TEXT_JUSTIFY_RIGHT; break;
+ }
+
+ spacing = g_strtod (params[LINE_SPACING], NULL);
+
+ color = strtol (params[COLOR], NULL, 16);
+ gimp_rgba_set_uchar (&rgb, color >> 16, color >> 8, color, 255);
+
+ retval = g_object_new (GIMP_TYPE_TEXT,
+ "text", text,
+ "antialias", antialias,
+ "justify", justify,
+ "line-spacing", spacing,
+ "color", &rgb,
+ NULL);
+
+ gimp_text_set_font_from_xlfd (GIMP_TEXT (retval), params[XLFD]);
+
+ cleanup:
+ g_free (text);
+ g_strfreev (params);
+
+ return retval;
+}