Move ImageTileWrapper to BKE.

ImageTileWrapper is a wrapper around ImageTile to centralize tile calculations when
using CPP. Currentry used by the image engine and will be used for the 3d
texturing brush project.

1 files changed, 44 insertions, 0 deletions

diff --git a/source/blender/blenkernel/BKE_image_wrappers.hh b/source/blender/blenkernel/BKE_image_wrappers.hh
new file mode 100644
index 00000000000..344edd952f8
--- /dev/null
+++ b/source/blender/blenkernel/BKE_image_wrappers.hh
@@ -0,0 +1,44 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later
+ * Copyright 2022 Blender Foundation. */
+
+/** \file
+ * \ingroup imbuf
+ */
+
+#pragma once
+
+#include "DNA_image_types.h"
+
+#include "BLI_math_vec_types.hh"
+
+namespace blender::bke::image {
+
+struct ImageTileWrapper {
+  ImageTile *image_tile;
+  ImageTileWrapper(ImageTile *image_tile) : image_tile(image_tile)
+  {
+  }
+
+  int get_tile_number() const
+  {
+    return image_tile->tile_number;
+  }
+
+  int2 get_tile_offset() const
+  {
+    return int2(get_tile_x_offset(), get_tile_y_offset());
+  }
+
+  int get_tile_x_offset() const
+  {
+    int tile_number = get_tile_number();
+    return (tile_number - 1001) % 10;
+  }
+
+  int get_tile_y_offset() const
+  {
+    int tile_number = get_tile_number();
+    return (tile_number - 1001) / 10;
+  }
+};
+}  // namespace blender::bke::image