1 files changed, 48 insertions, 0 deletions
diff --git a/app/core/gimppattern-header.h b/app/core/gimppattern-header.h
new file mode 100644
index 0000000..e11b3c9
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+++ b/app/core/gimppattern-header.h
@@ -0,0 +1,48 @@
+/* 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/>.
+ */
+
+#ifndef __GIMP_PATTERN_HEADER_H__
+#define __GIMP_PATTERN_HEADER_H__
+
+
+#define GIMP_PATTERN_MAGIC    (('G' << 24) + ('P' << 16) + \
+                               ('A' << 8)  + ('T' << 0))
+#define GIMP_PATTERN_MAX_SIZE 10000 /* Max size in either dimension in px */
+#define GIMP_PATTERN_MAX_NAME 256   /* Max length of the pattern's name   */
+
+
+/*  All field entries are MSB  */
+
+typedef struct _GimpPatternHeader GimpPatternHeader;
+
+struct _GimpPatternHeader
+{
+  guint32   header_size;  /*  = sizeof (GimpPatternHeader) + pattern name  */
+  guint32   version;      /*  pattern file version #  */
+  guint32   width;        /*  width of pattern  */
+  guint32   height;       /*  height of pattern  */
+  guint32   bytes;        /*  depth of pattern in bytes  */
+  guint32   magic_number; /*  GIMP pattern magic number  */
+};
+
+/*  In a pattern file, next comes the pattern name, null-terminated.
+ *  After that comes the pattern data -- width * height * bytes bytes
+ *  of it...
+ */
+
+
+#endif  /* __GIMP_PATTERN_HEADER_H__ */