Cleanup: Move UV parameterizer header to C++

See #103343

source/blender/editors/uvedit/uvedit_islands.cc

@@ -5,7 +5,7 @@
  *
  * Utilities for manipulating UV islands.
  *
- * \note This is similar to `GEO_uv_parametrizer.h`,
+ * \note This is similar to `GEO_uv_parametrizer.hh`,
  * however the data structures there don't support arbitrary topology
  * such as an edge with 3 or more faces using it.
  * This API uses #BMesh data structures and doesn't have limitations for manifold meshes.

source/blender/editors/uvedit/uvedit_unwrap_ops.cc

@@ -48,7 +48,7 @@
 #include "DEG_depsgraph.h"
 
 #include "GEO_uv_pack.hh"
-#include "GEO_uv_parametrizer.h"
+#include "GEO_uv_parametrizer.hh"
 
 #include "PIL_time.h"
 

source/blender/geometry/CMakeLists.txt

@@ -49,7 +49,7 @@ set(SRC
   GEO_subdivide_curves.hh
   GEO_trim_curves.hh
   GEO_uv_pack.hh
-  GEO_uv_parametrizer.h
+  GEO_uv_parametrizer.hh
 )
 
 set(LIB

source/blender/geometry/GEO_uv_parametrizer.hh

@@ -8,12 +8,8 @@
  * \ingroup geo
  */
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-typedef struct ParamHandle ParamHandle; /* Handle to an array of charts. */
-typedef uintptr_t ParamKey;             /* Key (hash) for identifying verts and faces. */
+struct ParamHandle;         /* Handle to an array of charts. */
+using ParamKey = uintptr_t; /* Key (hash) for identifying verts and faces. */
 #define PARAM_KEY_MAX UINTPTR_MAX
 
 /* -------------------------------------------------------------------- */
@@ -31,7 +27,7 @@ typedef uintptr_t ParamKey;             /* Key (hash) for identifying verts and
  *
  * \{ */
 
-ParamHandle *GEO_uv_parametrizer_construct_begin(void);
+ParamHandle *GEO_uv_parametrizer_construct_begin();
 
 void GEO_uv_parametrizer_aspect_ratio(ParamHandle *handle, float aspx, float aspy);
 
@@ -126,7 +122,3 @@ void GEO_uv_parametrizer_flush(ParamHandle *handle);
 void GEO_uv_parametrizer_flush_restore(ParamHandle *handle);
 
 /** \} */
-
-#ifdef __cplusplus
-}
-#endif

source/blender/geometry/intern/uv_parametrizer.cc

@@ -4,7 +4,7 @@
  * \ingroup eduv
  */
 
-#include "GEO_uv_parametrizer.h"
+#include "GEO_uv_parametrizer.hh"
 
 #include "BLI_array.hh"
 #include "BLI_convexhull_2d.h"

source/blender/nodes/geometry/nodes/node_geo_uv_pack_islands.cc

@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 
-#include "GEO_uv_parametrizer.h"
+#include "GEO_uv_parametrizer.hh"
 
 #include "DNA_mesh_types.h"
 #include "DNA_meshdata_types.h"

source/blender/nodes/geometry/nodes/node_geo_uv_unwrap.cc

@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 
-#include "GEO_uv_parametrizer.h"
+#include "GEO_uv_parametrizer.hh"
 
 #include "DNA_mesh_types.h"
 #include "DNA_meshdata_types.h"