COMPMID-556 - Added cartoon effect sample code

Change-Id: I7eb2463ab15425ef5681c2c871118964bcfd2179
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/91356
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>

1 files changed, 103 insertions, 0 deletions

diff --git a/examples/neon_cartoon_effect.cpp b/examples/neon_cartoon_effect.cpp
new file mode 100644
index 0000000000..f4f2003201
--- /dev/null
+++ b/examples/neon_cartoon_effect.cpp
@@ -0,0 +1,103 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include "arm_compute/runtime/NEON/NEFunctions.h"
+
+#include "arm_compute/core/Types.h"
+#include "utils/Utils.h"
+
+using namespace arm_compute;
+using namespace utils;
+
+void main_neon_cartoon_effect(int argc, const char **argv)
+{
+    // Open PPM file
+    PPMLoader ppm;
+    Image     src_img;
+    Image     dst_img;
+    Image     gaus5x5_img;
+    Image     canny_edge_img;
+
+    if(argc < 2)
+    {
+        // Print help
+        std::cout << "Usage: ./build/neon_cartoon_effect [input_image.ppm]\n\n";
+        std::cout << "No input_image provided, creating a dummy 640x480 image\n";
+        // Create an empty grayscale 640x480 image
+        src_img.allocator()->init(TensorInfo(640, 480, Format::U8));
+    }
+    else
+    {
+        ppm.open(argv[1]);
+        ppm.init_image(src_img, Format::U8);
+    }
+
+    // Initialize just the dimensions and format of the images:
+    gaus5x5_img.allocator()->init(*src_img.info());
+    canny_edge_img.allocator()->init(*src_img.info());
+    dst_img.allocator()->init(*src_img.info());
+
+    NEGaussian5x5           gaus5x5;
+    NECannyEdge             canny_edge;
+    NEArithmeticSubtraction sub;
+
+    // Configure the functions to call
+    gaus5x5.configure(&src_img, &gaus5x5_img, BorderMode::REPLICATE);
+    canny_edge.configure(&src_img, &canny_edge_img, 100, 80, 3, 1, BorderMode::REPLICATE);
+    sub.configure(&gaus5x5_img, &canny_edge_img, &dst_img, ConvertPolicy::SATURATE);
+
+    // Now that the padding requirements are known we can allocate the images:
+    src_img.allocator()->allocate();
+    dst_img.allocator()->allocate();
+    gaus5x5_img.allocator()->allocate();
+    canny_edge_img.allocator()->allocate();
+
+    // Fill the input image with the content of the PPM image if a filename was provided:
+    if(ppm.is_open())
+    {
+        ppm.fill_image(src_img);
+    }
+
+    // Execute the functions:
+    gaus5x5.run();
+    canny_edge.run();
+    sub.run();
+
+    // Save the result to file:
+    if(ppm.is_open())
+    {
+        const std::string output_filename = std::string(argv[1]) + "_out.ppm";
+        save_to_ppm(dst_img, output_filename);
+    }
+}
+
+/** Main program for cartoon effect test
+ *
+ * @param[in] argc Number of arguments
+ * @param[in] argv Arguments ( [optional] Path to PPM image to process )
+ */
+int main(int argc, const char **argv)
+{
+    return utils::run_example(argc, argv, main_neon_cartoon_effect);
+}