diff --git a/samples/canny_edge_detection.c b/samples/canny_edge_detection.c new file mode 100644 index 0000000..ec3c2b5 --- /dev/null +++ b/samples/canny_edge_detection.c @@ -0,0 +1,52 @@ +/* + * Programming introduction with the SOD Embedded Image Processing API. + * Copyright (C) PixLab | Symisc Systems, https://sod.pixlab.io + */ +/* +* Compile this file together with the SOD embedded source code to generate +* the executable. For example: +* +* gcc sod.c canny_edge_detection.c -lm -Ofast -march=native -Wall -std=c99 -o sod_img_proc +* +* Under Microsoft Visual Studio (>= 2015), just drop `sod.c` and its accompanying +* header files on your source tree and you're done. If you have any trouble +* integrating SOD in your project, please submit a support request at: +* https://sod.pixlab.io/support.html +*/ +/* +* This simple program is a quick introduction on how to embed and start +* experimenting with SOD without having to do a lot of tedious +* reading and configuration. +* +* Make sure you have the latest release of SOD from: +* https://pixlab.io/downloads +* The SOD Embedded C/C++ documentation is available at: +* https://sod.pixlab.io/api.html +*/ +#include +#include "sod.h" +/* + * Perform canny edge detection on an input image. + */ +int main(int argc, char *argv[]) +{ + /* Input image (pass a path or use the test image shipped with the samples ZIP archive) */ + const char *zInput = argc > 1 ? argv[1] : "./canny.jpg"; + /* Processed output image path */ + const char *zOut = argc > 2 ? argv[2] : "./out_canny.png"; + /* Load the input image in the grayscale colorspace */ + sod_img imgIn = sod_img_load_from_file(zInput, SOD_IMG_GRAYSCALE/* single channel colorspace (gray)*/); + if (imgIn.data == 0) { + /* Invalid path, unsupported format, memory failure, etc. */ + puts("Cannot load input image..exiting"); + return 0; + } + /* Perform canny edge detection. */ + sod_img imgOut = sod_canny_edge_image(imgIn, 0 /* Set this to 1 if you want to reduce noise */); + /* Finally save our processed image to the specified path */ + sod_img_save_as_png(imgOut, zOut); + /* Cleanup */ + sod_free_image(imgIn); + sod_free_image(imgOut); + return 0; +} \ No newline at end of file