From 315c5f71fa3e796c2f948810b9995f4af7406838 Mon Sep 17 00:00:00 2001
From: Hugues Delorme <delorme.hugues@fougue.pro>
Date: Tue, 1 Mar 2016 17:36:26 +0100
Subject: [PATCH] Add new example for gmio_stl_infos_get()

---
 examples/stl_get_infos.c | 78 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 examples/stl_get_infos.c

diff --git a/examples/stl_get_infos.c b/examples/stl_get_infos.c
new file mode 100644
index 0000000..75fed6b
--- /dev/null
+++ b/examples/stl_get_infos.c
@@ -0,0 +1,78 @@
+/* -----------------------------------------------------------------------------
+ *
+ * Example: read a STL file
+ *
+ * Just give a filepath and an initialized gmio_stl_mesh_creator object to
+ * gmio_stl_read_file().
+ * The gmio_stl_mesh_creator object holds pointers to the callbacks invoked
+ * during the read operation.
+ * These callbacks creates the final mesh object.
+ *
+ * Note if you want to have control over the stream to be used, call
+ * gmio_stl_read() instead.
+ *
+ * -------------------------------------------------------------------------- */
+
+#include <gmio_core/error.h>
+#include <gmio_stl/stl_infos.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+static const char* gmio_stl_format_to_str(enum gmio_stl_format format)
+{
+    switch (format) {
+    case GMIO_STL_FORMAT_UNKNOWN: return "UNKNOWN";
+    case GMIO_STL_FORMAT_ASCII: return "STL ASCII";
+    case GMIO_STL_FORMAT_BINARY_LE: return "STL BINARY LITTLE-ENDIAN";
+    case GMIO_STL_FORMAT_BINARY_BE: return "STL BINARY BIG-ENDIAN";
+    }
+}
+
+static void print_stl_infos(const struct gmio_stl_infos* infos)
+{
+    printf("File: %s\n"
+           "Format: %s\n"
+           "Size: %uKo\n"
+           "Facets: %u\n",
+           filepath,
+           gmio_stl_format_to_str(infos->format),
+           infos->size / 1024,
+           infos->facet_count);
+    if (infos->format == GMIO_STL_FORMAT_ASCII) {
+        printf("Solid name: %s\n", infos->stla_solidname);
+    }
+    else if (infos->format == GMIO_STL_FORMAT_BINARY_LE
+             || infos->format == GMIO_STL_FORMAT_BINARY_BE)
+    {
+        printf("Header: %80.80s\n", infos->stlb_header.data);
+    }
+}
+
+int main(int argc, char** argv)
+{
+    int error = 0;
+    if (argc > 1) {
+        /* Path to the STL file */
+        const char* filepath = argv[1];
+        /* Read-only standard stream on the STL file */
+        FILE* file = fopen(filepath, "rb");
+
+        if (file != NULL) {
+            /* gmio stream interface object */
+            struct gmio_stream stream = gmio_stream_stdio(file);
+            /* Will holds informations about the STL file */
+            struct gmio_stl_infos infos = {0};
+            /* Retrieve STL informations */
+            error = gmio_stl_infos_get(
+                        &infos, &stream, GMIO_STL_INFO_FLAG_ALL, NULL);
+            if (error == GMIO_ERROR_OK)
+                print_stl_infos(&infos);
+            else
+                fprintf(stderr, "gmio error: 0x%X\n", error);
+
+            fclose(file);
+        }
+    }
+    return error;
+}