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57 lines
2.0 KiB
57 lines
2.0 KiB
7 years ago
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/*
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* Programming introduction with the SOD Embedded Image Processing API.
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* Copyright (C) PixLab | Symisc Systems, https://sod.pixlab.io
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*/
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/*
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* Compile this file together with the SOD embedded source code to generate
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* the executable. For example:
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*
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* gcc sod.c crop_image.c -lm -Ofast -march=native -Wall -std=c99 -o sod_img_proc
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*
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* Under Microsoft Visual Studio (>= 2015), just drop `sod.c` and its accompanying
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* header files on your source tree and you're done. If you have any trouble
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* integrating SOD in your project, please submit a support request at:
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* https://sod.pixlab.io/support.html
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*/
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/*
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* This simple program is a quick introduction on how to embed and start
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* experimenting with SOD without having to do a lot of tedious
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* reading and configuration.
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*
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* Make sure you have the latest release of SOD from:
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* https://pixlab.io/downloads
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* The SOD Embedded C/C++ documentation is available at:
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* https://sod.pixlab.io/api.html
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*/
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#include <stdio.h>
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#include "sod.h"
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/*
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* Extract a region (crop) from a given image.
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*/
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int main(int argc, char *argv[])
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{
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/* Input image (pass a path or use the test image shipped with the samples ZIP archive) */
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const char *zInput = argc > 1 ? argv[1] : "./flower.jpg";
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/* Processed output image path */
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const char *zOut = argc > 2 ? argv[2] : "./out_crop.png";
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/* Load the input image in full color */
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sod_img imgIn = sod_img_load_from_file(zInput, SOD_IMG_COLOR /* full color channels */);
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if (imgIn.data == 0) {
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/* Invalid path, unsupported format, memory failure, etc. */
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puts("Cannot load input image..exiting");
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return 0;
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}
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/* Crop offset: Target region coordinates, height & width */
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int x = imgIn.w / 2;
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int y = imgIn.h / 2;
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int width = 128;
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int height = 128;
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/* Crop */
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sod_img crop = sod_crop_image(imgIn, x, y, width, height);
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/* Save the cropped region to the specified path */
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sod_img_save_as_png(crop, zOut);
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/* Cleanup */
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sod_free_image(imgIn);
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sod_free_image(crop);
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return 0;
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}
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