Add io/Codec.h with ReadOptions and WriteOptions

Signed-off-by: Dan Bailey <danbailey@ilm.com>

Author: danrbailey

openvdb/openvdb/CMakeLists.txt

@@ -366,6 +366,7 @@ set(OPENVDB_LIBRARY_INCLUDE_FILES
 
 set(OPENVDB_LIBRARY_IO_INCLUDE_FILES
   io/Archive.h
+  io/Codec.h
   io/Compression.h
   io/File.h
   io/GridDescriptor.h
@@ -734,6 +735,7 @@ endif()
 install(FILES ${OPENVDB_LIBRARY_INCLUDE_FILES} DESTINATION ${OPENVDB_INSTALL_INCLUDEDIR}/openvdb)
 install(FILES ${CMAKE_CURRENT_BINARY_DIR}/openvdb/version.h DESTINATION ${OPENVDB_INSTALL_INCLUDEDIR}/openvdb)
 install(FILES ${OPENVDB_LIBRARY_IO_INCLUDE_FILES} DESTINATION ${OPENVDB_INSTALL_INCLUDEDIR}/openvdb/io)
+install(FILES ${OPENVDB_LIBRARY_CODECS_INCLUDE_FILES} DESTINATION ${OPENVDB_INSTALL_INCLUDEDIR}/openvdb/codecs)
 install(FILES ${OPENVDB_LIBRARY_MATH_INCLUDE_FILES} DESTINATION ${OPENVDB_INSTALL_INCLUDEDIR}/openvdb/math)
 install(FILES ${OPENVDB_LIBRARY_POINTS_INCLUDE_FILES} DESTINATION ${OPENVDB_INSTALL_INCLUDEDIR}/openvdb/points)
 install(FILES ${OPENVDB_LIBRARY_POINTS_IMPL_INCLUDE_FILES} DESTINATION ${OPENVDB_INSTALL_INCLUDEDIR}/openvdb/points/impl)

openvdb/openvdb/io/Codec.h

@@ -0,0 +1,51 @@
+// Copyright Contributors to the OpenVDB Project
+// SPDX-License-Identifier: Apache-2.0
+
+#ifndef OPENVDB_IO_CODEC_HAS_BEEN_INCLUDED
+#define OPENVDB_IO_CODEC_HAS_BEEN_INCLUDED
+
+#include <memory>
+
+#include <openvdb/version.h>
+
+namespace openvdb {
+OPENVDB_USE_VERSION_NAMESPACE
+namespace OPENVDB_VERSION_NAME {
+namespace io {
+
+
+enum class ReadMode {
+    Original,      // Read data as-is (default)
+    TopologyOnly   // Read topology only, no buffer data
+};
+
+/// Global read configuration that applies to all grids
+/// Contains common options shared across all codec types
+struct OPENVDB_API ReadOptions
+{
+    using Ptr = std::shared_ptr<ReadOptions>;
+
+    virtual ~ReadOptions() = default;
+
+    // BBox Clip Data
+    BBoxd clipBBox = BBoxd();
+
+    // Grid Conversion Options
+    ReadMode readMode = ReadMode::Original;
+}; // struct ReadOptions
+
+/// Global write configuration that applies to all grids
+/// Contains common options shared across all codec types
+struct OPENVDB_API WriteOptions
+{
+    using Ptr = std::shared_ptr<WriteOptions>;
+
+    virtual ~WriteOptions() = default;
+}; // struct WriteOptions
+
+
+} // namespace io
+} // namespace OPENVDB_VERSION_NAME
+} // namespace openvdb
+
+#endif // OPENVDB_IO_CODEC_HAS_BEEN_INCLUDED