First commit - moving from LuaForge to SourceForge

1 files changed, 54 insertions, 0 deletions

diff --git a/src/im_datatype.cpp b/src/im_datatype.cpp
new file mode 100644
index 0000000..c75483e
--- /dev/null
+++ b/src/im_datatype.cpp
@@ -0,0 +1,54 @@
+/** \file
+ * \brief Data Type Utilities
+ *
+ * See Copyright Notice in im_lib.h
+ * $Id: im_datatype.cpp,v 1.1 2008/10/17 06:10:16 scuri Exp $
+ */
+
+
+#include "im.h"
+#include "im_util.h"
+
+#include <assert.h>
+
+typedef struct _iTypeInfo
+{
+  int size;
+  unsigned long max;
+  long min;
+  char* name;
+} iTypeInfo;
+
+static iTypeInfo iTypeInfoTable[] =  
+{        
+  {1,  255,                  0,                       "byte"}, 
+  {2,  65535,                0,                       "ushort"},
+  {4,  2147483647,           -2147483647-1,           "int"},
+  {4,  0,                    0,                       "float"}, 
+  {8,  0,                    0,                       "cfloat"}
+};
+
+const char* imDataTypeName(int data_type)
+{
+  assert(data_type >= IM_BYTE && data_type <= IM_CFLOAT);
+  return iTypeInfoTable[data_type].name;
+}
+
+int imDataTypeSize(int data_type)
+{
+  assert(data_type >= IM_BYTE && data_type <= IM_CFLOAT);
+  assert(sizeof(int) == 4);
+  return iTypeInfoTable[data_type].size;
+}
+
+unsigned long imDataTypeIntMax(int data_type)
+{
+  assert(data_type >= IM_BYTE && data_type <= IM_CFLOAT);
+  return iTypeInfoTable[data_type].max;
+}
+
+long imDataTypeIntMin(int data_type)
+{
+  assert(data_type >= IM_BYTE && data_type <= IM_CFLOAT);
+  return iTypeInfoTable[data_type].min;
+}