1 files changed, 87 insertions, 0 deletions
diff --git a/extern/libopenjpeg/raw.c b/extern/libopenjpeg/raw.c
new file mode 100644
index 00000000000..3d231bfdc6b
--- /dev/null
+++ b/extern/libopenjpeg/raw.c
@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
+ * Copyright (c) 2002-2007, Professor Benoit Macq
+ * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
+ * Copyright (c) 2005, Herve Drolon, FreeImage Team
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "opj_includes.h"
+
+/* 
+==========================================================
+   local functions
+==========================================================
+*/
+
+
+/* 
+==========================================================
+   RAW encoding interface
+==========================================================
+*/
+
+opj_raw_t* raw_create(void) {
+	opj_raw_t *raw = (opj_raw_t*)opj_malloc(sizeof(opj_raw_t));
+	return raw;
+}
+
+void raw_destroy(opj_raw_t *raw) {
+	if(raw) {
+		opj_free(raw);
+	}
+}
+
+int raw_numbytes(opj_raw_t *raw) {
+	return raw->bp - raw->start;
+}
+
+void raw_init_dec(opj_raw_t *raw, unsigned char *bp, int len) {
+	raw->start = bp;
+	raw->lenmax = len;
+	raw->len = 0;
+	raw->c = 0;
+	raw->ct = 0;
+}
+
+int raw_decode(opj_raw_t *raw) {
+	int d;
+	if (raw->ct == 0) {
+		raw->ct = 8;
+		if (raw->len == raw->lenmax) {
+			raw->c = 0xff;
+		} else {
+			if (raw->c == 0xff) {
+				raw->ct = 7;
+			}
+			raw->c = *(raw->start + raw->len);
+			raw->len++;
+		}
+	}
+	raw->ct--;
+	d = (raw->c >> raw->ct) & 0x01;
+	
+	return d;
+}
+