Add DEB_index_mesh (#13)

* Add functionality to store index mesh in OBJ and OFF formats; Add DEB_index_mesh_out[_if]
* Switch DEB_index_mesh_out to obj format
* Add TEST_if()

Debug/CMakeLists.txt

@@ -4,6 +4,7 @@ set(my_headers
    ${CMAKE_CURRENT_SOURCE_DIR}/DebError.hh
    ${CMAKE_CURRENT_SOURCE_DIR}/DebFile.hh
    ${CMAKE_CURRENT_SOURCE_DIR}/DebFileOut.hh
+   ${CMAKE_CURRENT_SOURCE_DIR}/DebIndexMeshOut.hh
    ${CMAKE_CURRENT_SOURCE_DIR}/DebOut.hh
    ${CMAKE_CURRENT_SOURCE_DIR}/DebTime.hh
    ${CMAKE_CURRENT_SOURCE_DIR}/DebUtils.hh
@@ -15,6 +16,7 @@ set(my_sources
    ${CMAKE_CURRENT_SOURCE_DIR}/DebCallStack.cc
    ${CMAKE_CURRENT_SOURCE_DIR}/DebFile.cc
    ${CMAKE_CURRENT_SOURCE_DIR}/DebFileOut.cc
+   ${CMAKE_CURRENT_SOURCE_DIR}/DebIndexMeshOut.cc
    ${CMAKE_CURRENT_SOURCE_DIR}/DebStream.cc
    PARENT_SCOPE
 )

Debug/DebFileOut.cc

-// (C) Copyright 2019 by Autodesk, Inc.
+// (C) Copyright 2020 by Autodesk, Inc.
 
 #include "DebFileOut.hh"
 
 #include <string>
 #include <sstream>
 #include <iomanip> 
+#include <fstream>
+#include <limits>
 
 namespace Debug {
 
@@ -34,4 +36,66 @@ std::string set_filename_extension(const char* _flnm, const char* _ext)
   return flnm;
 }
 
+#define SAVE_MESH(EXT, COORD_TYPE, INDEX_TYPE) \
+  template void save_mesh_##EXT(const char* const, const size_t, \
+      const COORD_TYPE* const, const int, const size_t, \
+      const INDEX_TYPE* const)
+
+template <typename CoordT, typename IndexT>
+void save_mesh_obj(const char* const _flnm, const size_t _pnt_nmbr,
+    const CoordT* const _crds, const int _face_size, const size_t _face_nmbr,
+    const IndexT* const _indcs)
+{
+  std::ofstream strm(set_filename_extension(_flnm, "obj")); // open
+  strm.imbue(std::locale("C"));       // C-locale
+  strm << std::setprecision(std::numeric_limits<CoordT>::max_digits10);
+
+  for (size_t i = 0, n = 3 * _pnt_nmbr; i < n; i += 3)
+  {
+    strm << "v " << _crds[i] << ' ' << _crds[i + 1] << ' ' << _crds[i + 2]
+         << std::endl;
+  }
+
+  for (size_t i = 0, n = _face_size * _face_nmbr; i < n;)
+  { // stream quads
+    strm << 'f';
+    for (int j = 0; j < _face_size; ++j)
+      strm << ' ' << _indcs[i++] + 1; // OBJ indexing starts at 1
+    strm << std::endl;
+  }
+}
+
+SAVE_MESH(obj, double, int);
+SAVE_MESH(obj, float, int);
+SAVE_MESH(obj, double, unsigned int);
+SAVE_MESH(obj, float, unsigned int);
+
+template <typename CoordT, typename IndexT>
+void save_mesh_off(const char* const _flnm, const size_t _pnt_nmbr,
+    const CoordT* const _crds, const int _face_size, const size_t _face_nmbr,
+    const IndexT* const _indcs)
+{
+  std::ofstream strm(set_filename_extension(_flnm, "off")); // open
+  strm.imbue(std::locale("C"));       // C-locale
+  strm << std::setprecision(std::numeric_limits<CoordT>::max_digits10);     
+  strm << "OFF" << std::endl;         // write header
+  strm << _pnt_nmbr << ' ' << _face_nmbr << std::endl;
+
+  for (size_t i = 0, n = 3 * _pnt_nmbr; i < n; i += 3)
+    strm << _crds[i] << ' ' << _crds[i + 1] << ' ' << _crds[i + 2] << std::endl;
+
+  for (size_t i = 0, n = _face_size * _face_nmbr; i < n;)
+  { // stream quads
+    strm << _face_size;
+    for (int j = 0; j < _face_size; ++j)
+      strm << ' ' << _indcs[i++];
+    strm << std::endl;
+  }
+}
+
+SAVE_MESH(off, double, int);
+SAVE_MESH(off, float, int);
+SAVE_MESH(off, double, unsigned int);
+SAVE_MESH(off, float, unsigned int);
+
 } // Debug

Debug/DebFileOut.hh

-// (C) Copyright 2019 by Autodesk, Inc.
+// (C) Copyright 2020 by Autodesk, Inc.
 
 #ifndef BASE_DEBFILEOUT_HH_INCLUDED
 #define BASE_DEBFILEOUT_HH_INCLUDED
@@ -7,20 +7,34 @@
 #include <string>
 #include <Base/Config/BaseDefines.hh>
 
-namespace Debug {
+namespace Debug
+{
 
 //! Make a file name composing the input arguments:
-//               prefix_filname_[suffix_]#count#.ext
+//               #count#_prefix_filename[_suffix].ext
 // count is a number that increase any time the function is called,
 // it is expressed with 4 decimal digits filled with zeros.
 BASEDLLEXPORT
-std::string make_filename(const char* _prfx, const char* _flnm, 
-                          const char* _ext, const char* _sfx = nullptr);
+std::string make_filename(const char* _prfx, const char* _flnm,
+    const char* _ext, const char* _sfx = nullptr);
 
+//! Replace or add the supplied extension to the filename
 BASEDLLEXPORT
 std::string set_filename_extension(const char* _flnm, const char* _ext);
 
-} // Debug
+//! Save a mesh in obj format, supports int/uint and double/float
+template <typename CoordT, typename IndexT>
+void save_mesh_obj(const char* const _flnm, const size_t _pnt_nmbr,
+    const CoordT* const _crds, const int _face_size, const size_t _face_nmbr,
+    const IndexT* const _indcs);
+
+//! Save a mesh in off format, supports int/uint and double/float
+template <typename CoordT, typename IndexT>
+void save_mesh_off(const char* const _flnm, const size_t _pnt_nmbr,
+    const CoordT* const _crds, const int _face_size, const size_t _face_nmbr,
+    const IndexT* const _indcs);
+
+} // namespace Debug
 
 #endif // DEB_ON
 

Debug/DebIndexMeshOut.cc

+// (C) Copyright 2020 by Autodesk, Inc.
+
+#include "Base/Code/Quality.hh"
+#include "Base/Security/Mandatory.hh"
+
+#include "DebIndexMeshOut.hh"
+#include "DebFileOut.hh"
+
+#ifdef DEB_ON
+
+namespace Debug
+{
+namespace IndexMeshOut
+{
+
+template <typename CoordT, typename IndexT>
+bool save(Enter& deb, const char* const _flnm, const size_t _pnt_nmbr,
+    const CoordT* const _crds, const int _face_size, const size_t _face_nmbr,
+    const IndexT* const _indcs)
+{
+  const auto mesh_flnm = make_filename("mesh", _flnm, "obj");
+  try
+  {
+    save_mesh_obj(
+        mesh_flnm.c_str(), _pnt_nmbr, _crds, _face_size, _face_nmbr, _indcs);
+    DEB_line(0, "Saved mesh as " << mesh_flnm);
+    return true;
+  }
+  catch (...)
+  {
+    DEB_warning(0, "Failed to save mesh as " << mesh_flnm);
+    return false;
+  }
+}
+
+#define SAVE_MESH(COORD_TYPE, INDEX_TYPE) \
+  template bool save(Enter&, const char* const, const size_t, \
+      const COORD_TYPE* const, const int, const size_t, \
+      const INDEX_TYPE* const)
+
+SAVE_MESH(double, int);
+SAVE_MESH(float, int);
+SAVE_MESH(double, unsigned int);
+SAVE_MESH(float, unsigned int);
+
+} // namespace IndexMeshOut
+} // namespace Debug
+
+#endif // DEB_ON

Debug/DebIndexMeshOut.hh

+// (C) Copyright 2020 by Autodesk, Inc.
+
+#ifndef BASE_DEB_INDEX_MESH_OUT_HH_INCLUDED
+#define BASE_DEB_INDEX_MESH_OUT_HH_INCLUDED
+
+#include <Base/Debug/DebOut.hh>
+#include <Base/Utils/IOutputStream.hh>
+
+#ifndef DEB_ON
+
+#define DEB_index_mesh_out_if(CC, LL, FF, MM) { PROGRESS_TICK; }
+#define DEB_index_mesh_out(LL, FF, MM) { PROGRESS_TICK; }
+
+#else // ifndef DEB_ON
+
+namespace Debug
+{
+namespace IndexMeshOut
+{
+
+template <typename CoordT, typename IndexT>
+bool save(Enter& deb, const char* const _flnm, const size_t _pnt_nmbr,
+    const CoordT* const _crds, const int _face_size, const size_t _face_nmbr,
+    const IndexT* const _indcs);
+
+template <class PointArrayT, class IndexArrayT>
+bool save(Enter& deb, const char* const _flnm, const PointArrayT& _pnts,
+    const int _face_size, const IndexArrayT& _indcs)
+{
+  return save(deb, _flnm, _pnts.size(), &_pnts[0][0], _face_size,
+      _indcs.size() / _face_size, _indcs.data());
+}
+
+} // namespace IndexMeshOut
+} // namespace Debug
+
+#define DEB_index_mesh_out_if(CC, LL, FF, PNTS, FS, INDCS) \
+  DEB_if(CC, LL, Debug::IndexMeshOut::save(deb, FF, PNTS, FS, INDCS))
+
+#define DEB_index_mesh_out(LL, FF, PNTS, FS, INDCS) \
+  DEB_index_mesh_out_if(true, LL, FF, PNTS, FS, INDCS)
+
+#endif // ifndef DEB_ON
+
+#endif // BASE_DEB_INDEX_MESH_OUT_HH_INCLUDED

Test/Checksum.hh

-// (C) Copyright 2019 by Autodesk, Inc.
+// (C) Copyright 2020 by Autodesk, Inc.
 
 #ifndef BASE_ICHECKSUM_HH_INCLUDE
 #define BASE_ICHECKSUM_HH_INCLUDE
@@ -6,6 +6,7 @@
 #ifndef TEST_ON
 
 #define TEST(CHKSM, RCRD)
+#define TEST_if(CNDT, CHKSM, RCRD)
 
 #else
 
@@ -197,6 +198,7 @@ const Registry& registry();
 }//namespace Test
 
 #define TEST(CHKSM, RCRD) { if (CHKSM.allow()) { CHKSM.RCRD; } }
+#define TEST_if(CNDT, CHKSM, RCRD) { if (CNDT) TEST(CHKSM, RCRD) }
 
 #endif//TEST_ON