1 files changed, 107 insertions, 0 deletions
diff --git a/app/core/gimpbrush-save.c b/app/core/gimpbrush-save.c
new file mode 100644
index 0000000..38d4bcd
--- /dev/null
+++ b/app/core/gimpbrush-save.c
@@ -0,0 +1,107 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * 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 <gdk-pixbuf/gdk-pixbuf.h>
+
+#include "core-types.h"
+
+#include "gimpbrush.h"
+#include "gimpbrush-header.h"
+#include "gimpbrush-save.h"
+#include "gimptempbuf.h"
+
+
+gboolean
+gimp_brush_save (GimpData       *data,
+                 GOutputStream  *output,
+                 GError        **error)
+{
+  GimpBrush       *brush  = GIMP_BRUSH (data);
+  GimpTempBuf     *mask   = gimp_brush_get_mask (brush);
+  GimpTempBuf     *pixmap = gimp_brush_get_pixmap (brush);
+  GimpBrushHeader  header;
+  const gchar     *name;
+  gint             width;
+  gint             height;
+
+  name   = gimp_object_get_name (brush);
+  width  = gimp_temp_buf_get_width  (mask);
+  height = gimp_temp_buf_get_height (mask);
+
+  header.header_size  = g_htonl (sizeof (GimpBrushHeader) +
+                                 strlen (name) + 1);
+  header.version      = g_htonl (2);
+  header.width        = g_htonl (width);
+  header.height       = g_htonl (height);
+  header.bytes        = g_htonl (pixmap ? 4 : 1);
+  header.magic_number = g_htonl (GIMP_BRUSH_MAGIC);
+  header.spacing      = g_htonl (gimp_brush_get_spacing (brush));
+
+  if (! g_output_stream_write_all (output, &header, sizeof (header),
+                                   NULL, NULL, error))
+    {
+      return FALSE;
+    }
+
+  if (! g_output_stream_write_all (output, name, strlen (name) + 1,
+                                   NULL, NULL, error))
+    {
+      return FALSE;
+    }
+
+  if (pixmap)
+    {
+      gsize   size = width * height * 4;
+      guchar *data = g_malloc (size);
+      guchar *p    = gimp_temp_buf_get_data (pixmap);
+      guchar *m    = gimp_temp_buf_get_data (mask);
+      guchar *d    = data;
+      gint    i;
+
+      for (i = 0; i < width * height; i++)
+        {
+          *d++ = *p++;
+          *d++ = *p++;
+          *d++ = *p++;
+          *d++ = *m++;
+        }
+
+      if (! g_output_stream_write_all (output, data, size,
+                                       NULL, NULL, error))
+        {
+          g_free (data);
+
+          return FALSE;
+        }
+
+      g_free (data);
+    }
+  else
+    {
+      if (! g_output_stream_write_all (output,
+                                       gimp_temp_buf_get_data (mask),
+                                       gimp_temp_buf_get_data_size (mask),
+                                       NULL, NULL, error))
+        {
+          return FALSE;
+        }
+    }
+
+  return TRUE;
+}