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48 lines
995 B
48 lines
995 B
#include <stdio.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include "sod.h"
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#define MAX_IMG_SZ 1024*1024
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int main()
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{
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unsigned char *zInpbuf = NULL;
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zInpbuf = malloc(MAX_IMG_SZ);
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if (!zInpbuf)
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{
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perror("malloc");
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return -1;
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}
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ssize_t imgSz = read(0, zInpbuf, MAX_IMG_SZ);
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if (imgSz <= 0)
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{
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perror("read");
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free(zInpbuf);
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return -1;
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}
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sod_img imgIn = sod_img_load_from_mem(zInpbuf, imgSz, 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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printf("Error loading input\n");
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free(zInpbuf);
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return -1;
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}
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for (int i = 0; i < imgIn.w * imgIn.h * imgIn.c; i++)
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{
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imgIn.data[i] = 255.0f - imgIn.data[i];
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}
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sod_img_save_as_png(imgIn, NULL);
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sod_free_image(imgIn);
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free(zInpbuf);
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return 0;
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}
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