1 files changed, 87 insertions, 0 deletions
diff --git a/app/paint/gimpink-blob.h b/app/paint/gimpink-blob.h
new file mode 100644
index 0000000..2ddbf76
--- /dev/null
+++ b/app/paint/gimpink-blob.h
@@ -0,0 +1,87 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995-1999 Spencer Kimball and Peter Mattis
+ *
+ * gimpink-blob.h: routines for manipulating scan converted convex polygons.
+ * Copyright 1998, Owen Taylor <otaylor@gtk.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/>.
+ *
+*/
+
+#ifndef __GIMP_INK_BLOB_H__
+#define __GIMP_INK_BLOB_H__
+
+
+typedef struct _GimpBlobPoint GimpBlobPoint;
+typedef struct _GimpBlobSpan  GimpBlobSpan;
+typedef struct _GimpBlob      GimpBlob;
+
+typedef GimpBlob * (* GimpBlobFunc) (gdouble xc,
+                                     gdouble yc,
+                                     gdouble xp,
+                                     gdouble yp,
+                                     gdouble xq,
+                                     gdouble yq);
+
+struct _GimpBlobPoint
+{
+  gint x;
+  gint y;
+};
+
+struct _GimpBlobSpan
+{
+  gint left;
+  gint right;
+};
+
+struct _GimpBlob
+{
+  gint         y;
+  gint         height;
+  GimpBlobSpan data[1];
+};
+
+
+GimpBlob * gimp_blob_polygon      (GimpBlobPoint *points,
+                                   gint           n_points);
+GimpBlob * gimp_blob_square       (gdouble        xc,
+                                   gdouble        yc,
+                                   gdouble        xp,
+                                   gdouble        yp,
+                                   gdouble        xq,
+                                   gdouble        yq);
+GimpBlob * gimp_blob_diamond      (gdouble        xc,
+                                   gdouble        yc,
+                                   gdouble        xp,
+                                   gdouble        yp,
+                                   gdouble        xq,
+                                   gdouble        yq);
+GimpBlob * gimp_blob_ellipse      (gdouble        xc,
+                                   gdouble        yc,
+                                   gdouble        xp,
+                                   gdouble        yp,
+                                   gdouble        xq,
+                                   gdouble        yq);
+void       gimp_blob_bounds       (GimpBlob      *b,
+                                   gint          *x,
+                                   gint          *y,
+                                   gint          *width,
+                                   gint          *height);
+GimpBlob * gimp_blob_convex_union (GimpBlob      *b1,
+                                   GimpBlob      *b2);
+GimpBlob * gimp_blob_duplicate    (GimpBlob      *b);
+
+
+#endif /* __GIMP_INK_BLOB_H__ */