1 files changed, 204 insertions, 0 deletions
diff --git a/app/text/gimptext-parasite.c b/app/text/gimptext-parasite.c
new file mode 100644
index 0000000..790a5b1
--- /dev/null
+++ b/app/text/gimptext-parasite.c
@@ -0,0 +1,204 @@
+/* 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;
+}