1 files changed, 43 insertions, 0 deletions

diff --git a/noncore/apps/opie-reader/arith.h b/noncore/apps/opie-reader/arith.h
new file mode 100644
index 0000000..19ca646
--- a/dev/null
+++ b/noncore/apps/opie-reader/arith.h
@@ -0,0 +1,43 @@
+/* 

+ * Encodage & décodage arithmétique

+ */

+

+#ifndef ARITH_H

+

+#define ARITH_H

+

+#include "utypes.h"

+#include <stdio.h>

+

+class PPM_ReadBuf

+{

+  FILE *my_file_in;

+public:

+  PPM_ReadBuf(FILE* f) : my_file_in(f) {}

+  UINT readbuf(UCHAR *buf,UINT len)

+  {

+    UINT len1;

+    len1=fread(buf,1,len,my_file_in);

+    return len1;

+  }

+};

+

+class ArithClass

+{

+

+UCHAR *ainbuf;

+UCHAR *apinbuf,*aendinbuf;

+UINT ainbufsize;

+USHORT avalue,alow,ahigh;

+PPM_ReadBuf* areadbuf;

+UCHAR abitcnt;

+USHORT abitbuf;

+

+ public:

+void Arith_DecodeInit(PPM_ReadBuf* readbuf,UCHAR *buf,UINT bufsize);

+UINT Arith_DecodeVal(UINT size);

+void Arith_Decode(UINT min,UINT max,UINT size);

+void Arith_DecodeEnd(void);

+

+};

+#endif