From d12b8fccf1b2dc4e8bef06339ffd780b0d62f53b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Bartoletti?= <loic.bartoletti@oslandia.com>
Date: Wed, 28 Feb 2024 15:39:13 +0100
Subject: [PATCH] expose vtk method to capi

---
 src/capi/sfcgal_c.cpp | 8 ++++++++
 src/capi/sfcgal_c.h   | 7 +++++++
 2 files changed, 15 insertions(+)

diff --git a/src/capi/sfcgal_c.cpp b/src/capi/sfcgal_c.cpp
index 8a1dc6d4..d5178cea 100644
--- a/src/capi/sfcgal_c.cpp
+++ b/src/capi/sfcgal_c.cpp
@@ -23,6 +23,7 @@
 #include "SFCGAL/io/ewkt.h"
 #include "SFCGAL/io/wkb.h"
 #include "SFCGAL/io/wkt.h"
+#include "SFCGAL/io/vtk.h"
 
 #if !_MSC_VER
 #include "SFCGAL/algorithm/alphaShapes.h"
@@ -280,6 +281,13 @@ sfcgal_geometry_as_wkb(const sfcgal_geometry_t *pgeom, char **buffer,
       strncpy(*buffer, wkb.c_str(), *len);)
 }
 
+extern "C" void
+sfcgal_geometry_as_vtk(const sfcgal_geometry_t *pgeom, char *filename)
+{
+  SFCGAL_GEOMETRY_CONVERT_CATCH_TO_ERROR_NO_RET(
+    io::vtk(*reinterpret_cast<const SFCGAL::Geometry *>(pgeom), filename);)
+}
+
 /**
  * Point
  */
diff --git a/src/capi/sfcgal_c.h b/src/capi/sfcgal_c.h
index 7e5a5fa7..3d404f2c 100644
--- a/src/capi/sfcgal_c.h
+++ b/src/capi/sfcgal_c.h
@@ -170,6 +170,13 @@ sfcgal_geometry_as_text_decim(const sfcgal_geometry_t *, int numDecimals,
 SFCGAL_API void
 sfcgal_geometry_as_wkb(const sfcgal_geometry_t *, char **buffer, size_t *len);
 
+/**
+ * Creates a VTK file of the given geometry
+ * @ingroup capi
+ */
+SFCGAL_API void
+sfcgal_geometry_as_vtk(const sfcgal_geometry_t *, char *filename);
+
 /**
  * Creates an empty point
  * @ingroup capi