Adding upstream version 2.10.22.upstream/2.10.22upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 284 insertions, 0 deletions

diff --git a/app/core/gimpbrushgenerated-load.c b/app/core/gimpbrushgenerated-load.c
new file mode 100644
index 0000000..a526ae6
--- /dev/null
+++ b/app/core/gimpbrushgenerated-load.c
@@ -0,0 +1,284 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimp_brush_generated module Copyright 1998 Jay Cox <jaycox@earthlink.net>
+ *
+ * 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 <stdlib.h>
+
+#include <gdk-pixbuf/gdk-pixbuf.h>
+#include <gegl.h>
+
+#include "libgimpbase/gimpbase.h"
+
+#include "core-types.h"
+
+#include "gimp-utils.h"
+#include "gimpbrushgenerated.h"
+#include "gimpbrushgenerated-load.h"
+
+#include "gimp-intl.h"
+
+
+GList *
+gimp_brush_generated_load (GimpContext   *context,
+                           GFile         *file,
+                           GInputStream  *input,
+                           GError       **error)
+{
+  GimpBrush               *brush;
+  GDataInputStream        *data_input;
+  gchar                   *string;
+  gsize                    string_len;
+  gint                     linenum;
+  gchar                   *name       = NULL;
+  GimpBrushGeneratedShape  shape      = GIMP_BRUSH_GENERATED_CIRCLE;
+  gboolean                 have_shape = FALSE;
+  gint                     spikes     = 2;
+  gdouble                  spacing;
+  gdouble                  radius;
+  gdouble                  hardness;
+  gdouble                  aspect_ratio;
+  gdouble                  angle;
+
+  g_return_val_if_fail (G_IS_FILE (file), NULL);
+  g_return_val_if_fail (G_IS_INPUT_STREAM (input), NULL);
+  g_return_val_if_fail (error == NULL || *error == NULL, NULL);
+
+  data_input = g_data_input_stream_new (input);
+
+  /* make sure the file we are reading is the right type */
+  linenum = 1;
+  string_len = 256;
+  string = gimp_data_input_stream_read_line_always (data_input, &string_len,
+                                                    NULL, error);
+  if (! string)
+    goto failed;
+
+  if (! g_str_has_prefix (string, "GIMP-VBR"))
+    {
+      g_set_error (error, GIMP_DATA_ERROR, GIMP_DATA_ERROR_READ,
+                   _("Not a GIMP brush file."));
+      g_free (string);
+      goto failed;
+    }
+
+  g_free (string);
+
+  /* make sure we are reading a compatible version */
+  linenum++;
+  string_len = 256;
+  string = gimp_data_input_stream_read_line_always (data_input, &string_len,
+                                                    NULL, error);
+  if (! string)
+    goto failed;
+
+  if (! g_str_has_prefix (string, "1.0"))
+    {
+      if (! g_str_has_prefix (string, "1.5"))
+        {
+          g_set_error (error, GIMP_DATA_ERROR, GIMP_DATA_ERROR_READ,
+                       _("Unknown GIMP brush version."));
+          g_free (string);
+          goto failed;
+        }
+      else
+        {
+          have_shape = TRUE;
+        }
+    }
+
+  g_free (string);
+
+  /* read name */
+  linenum++;
+  string_len = 256;
+  string = gimp_data_input_stream_read_line_always (data_input, &string_len,
+                                                    NULL, error);
+  if (! string)
+    goto failed;
+
+  g_strstrip (string);
+
+  /* the empty string is not an allowed name */
+  if (strlen (string) < 1)
+    {
+      name = g_strdup (_("Untitled"));
+    }
+  else
+    {
+      name = gimp_any_to_utf8 (string, -1,
+                               _("Invalid UTF-8 string in brush file '%s'."),
+                               gimp_file_get_utf8_name (file));
+    }
+
+  g_free (string);
+
+  if (have_shape)
+    {
+      GEnumClass *enum_class;
+      GEnumValue *shape_val;
+
+      enum_class = g_type_class_peek (GIMP_TYPE_BRUSH_GENERATED_SHAPE);
+
+      /* read shape */
+      linenum++;
+      string_len = 256;
+      string = gimp_data_input_stream_read_line_always (data_input, &string_len,
+                                                        NULL, error);
+      if (! string)
+        goto failed;
+
+      g_strstrip (string);
+      shape_val = g_enum_get_value_by_nick (enum_class, string);
+
+      if (! shape_val)
+        {
+          g_set_error (error, GIMP_DATA_ERROR, GIMP_DATA_ERROR_READ,
+                       _("Unknown GIMP brush shape."));
+          g_free (string);
+          goto failed;
+        }
+
+      g_free (string);
+
+      shape = shape_val->value;
+    }
+
+  /* read brush spacing */
+  linenum++;
+  string_len = 256;
+  string = gimp_data_input_stream_read_line_always (data_input, &string_len,
+                                                    NULL, error);
+  if (! string)
+    goto failed;
+  if (! gimp_ascii_strtod (string, NULL, &spacing))
+    {
+      g_set_error (error, GIMP_DATA_ERROR, GIMP_DATA_ERROR_READ,
+                   _("Invalid brush spacing."));
+      g_free (string);
+      goto failed;
+    }
+  g_free (string);
+
+
+  /* read brush radius */
+  linenum++;
+  string_len = 256;
+  string = gimp_data_input_stream_read_line_always (data_input, &string_len,
+                                                    NULL, error);
+  if (! string)
+    goto failed;
+  if (! gimp_ascii_strtod (string, NULL, &radius))
+    {
+      g_set_error (error, GIMP_DATA_ERROR, GIMP_DATA_ERROR_READ,
+                   _("Invalid brush radius."));
+      g_free (string);
+      goto failed;
+    }
+  g_free (string);
+
+  if (have_shape)
+    {
+      /* read number of spikes */
+      linenum++;
+      string_len = 256;
+      string = gimp_data_input_stream_read_line_always (data_input, &string_len,
+                                                        NULL, error);
+      if (! string)
+        goto failed;
+      if (! gimp_ascii_strtoi (string, NULL, 10, &spikes) ||
+          spikes < 2 || spikes > 20)
+        {
+          g_set_error (error, GIMP_DATA_ERROR, GIMP_DATA_ERROR_READ,
+                       _("Invalid brush spike count."));
+          g_free (string);
+          goto failed;
+        }
+      g_free (string);
+    }
+
+  /* read brush hardness */
+  linenum++;
+  string_len = 256;
+  string = gimp_data_input_stream_read_line_always (data_input, &string_len,
+                                                    NULL, error);
+  if (! string)
+    goto failed;
+  if (! gimp_ascii_strtod (string, NULL, &hardness))
+    {
+      g_set_error (error, GIMP_DATA_ERROR, GIMP_DATA_ERROR_READ,
+                   _("Invalid brush hardness."));
+      g_free (string);
+      goto failed;
+    }
+  g_free (string);
+
+  /* read brush aspect_ratio */
+  linenum++;
+  string_len = 256;
+  string = gimp_data_input_stream_read_line_always (data_input, &string_len,
+                                                    NULL, error);
+  if (! string)
+    goto failed;
+  if (! gimp_ascii_strtod (string, NULL, &aspect_ratio))
+    {
+      g_set_error (error, GIMP_DATA_ERROR, GIMP_DATA_ERROR_READ,
+                   _("Invalid brush aspect ratio."));
+      g_free (string);
+      goto failed;
+    }
+  g_free (string);
+
+  /* read brush angle */
+  linenum++;
+  string_len = 256;
+  string = gimp_data_input_stream_read_line_always (data_input, &string_len,
+                                                    NULL, error);
+  if (! string)
+    goto failed;
+  if (! gimp_ascii_strtod (string, NULL, &angle))
+    {
+      g_set_error (error, GIMP_DATA_ERROR, GIMP_DATA_ERROR_READ,
+                   _("Invalid brush angle."));
+      g_free (string);
+      goto failed;
+    }
+  g_free (string);
+
+  g_object_unref (data_input);
+
+  brush = GIMP_BRUSH (gimp_brush_generated_new (name, shape, radius, spikes,
+                                                hardness, aspect_ratio, angle));
+  g_free (name);
+
+  gimp_brush_set_spacing (brush, spacing);
+
+  return g_list_prepend (NULL, brush);
+
+ failed:
+
+  g_object_unref (data_input);
+
+  if (name)
+    g_free (name);
+
+  g_prefix_error (error, _("In line %d of brush file: "), linenum);
+
+  return NULL;
+}