Add create image dataset function

core-buffer/src/FastH5Writer.cpp

@@ -0,0 +1,43 @@
+#include "FastH5Writer.hpp"
+#include <H5Cpp.h>
+
+template<>
+FastH5Writer<uint16_t>::FastH5Writer(
+        const size_t n_frames_per_file,
+        const uint16_t y_frame_size,
+        const uint16_t x_frame_size) :
+            n_frames_per_file_(n_frames_per_file),
+            y_frame_size_(y_frame_size),
+            x_frame_size_(y_frame_size)
+{
+//    // Each element in uint16_t has 2 bytes.
+//    size_t n_bytes = 2 * y_frame_size * x_frame_size;
+    auto file = H5::H5File(target_filename.c_str(), H5F_ACC_TRUNC);
+
+
+
+
+    create_dataset("image", frame_size, n_frames_per_file, "uint16");
+}
+
+template <class B>
+void FastH5Writer<B>::create_image_dataset()
+{
+    hsize_t dataset_dimension[3]  =
+            {n_frames_per_file_, y_frame_size_, x_frame_size_};
+    hsize_t max_dataset_dimension[3] =
+            {n_frames_per_file_, y_frame_size_, x_frame_size_};
+    H5::DataSpace dataspace(
+            3, dataset_dimension, max_dataset_dimension);
+
+    hsize_t dataset_chunking[3] =
+            {CHUNKING_FACTOR, y_frame_size_, x_frame_size_};
+    H5::DSetCreatPropList dataset_properties;
+    dataset_properties.setChunk(3, dataset_chunking);
+
+    H5::AtomType dataset_data_type(H5::PredType::NATIVE_UINT16);
+    dataset_data_type.setOrder(H5T_ORDER_LE);
+
+    current_image_dataset_ = current_output_file_.createDataSet(
+            "image", dataset_data_type, dataspace, dataset_properties);
+}