From 3c79893217bc632c9b0efa815091bef3c779490c Mon Sep 17 00:00:00 2001
From: alexander <alexander.efremov@arm.com>
Date: Fri, 26 Mar 2021 21:42:19 +0000
Subject: Opensource ML embedded evaluation kit

Change-Id: I12e807f19f5cacad7cef82572b6dd48252fd61fd
---
 tests/utils/ImageUtils.cc  | 37 +++++++++++++++++++++++++++++++++++++
 tests/utils/ImageUtils.hpp | 26 ++++++++++++++++++++++++++
 2 files changed, 63 insertions(+)
 create mode 100644 tests/utils/ImageUtils.cc
 create mode 100644 tests/utils/ImageUtils.hpp

(limited to 'tests/utils')

diff --git a/tests/utils/ImageUtils.cc b/tests/utils/ImageUtils.cc
new file mode 100644
index 0000000..f77ce1e
--- /dev/null
+++ b/tests/utils/ImageUtils.cc
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2021 Arm Limited. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "ImageUtils.hpp"
+
+void convertImgIoInt8(void * data, const size_t sz)
+{
+    uint8_t * tmp_req_data          = (uint8_t *)data;
+    int8_t * tmp_signed_req_data    = (int8_t *) data;
+
+    for (size_t i = 0; i < sz; ++i) {
+        tmp_signed_req_data[i] = (int8_t)(
+                (int32_t)(tmp_req_data[i]) - 128);
+    }
+}
+
+void convertImgIoGreyscale(const uint8_t * srcPtr, uint8_t * dstPtr, const size_t sz)
+{
+    for (size_t i = 0; i < sz; ++i, srcPtr += 3) {
+        *dstPtr++ = 0.2989 * (*srcPtr) +
+                    0.587 * (*(srcPtr+1)) +
+                    0.114 * (*(srcPtr+2));
+    }
+}
\ No newline at end of file
diff --git a/tests/utils/ImageUtils.hpp b/tests/utils/ImageUtils.hpp
new file mode 100644
index 0000000..838dcef
--- /dev/null
+++ b/tests/utils/ImageUtils.hpp
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2021 Arm Limited. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef IMAGEUTILS_HPP
+#define IMAGEUTILS_HPP
+
+#include <catch.hpp>
+
+void convertImgIoInt8(void * data, const size_t sz);
+
+void convertImgIoGreyscale(const uint8_t * srcPtr, uint8_t * dstPtr, const size_t sz);
+
+#endif /* IMAGEUTILS_HPP */
-- 
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