53 lines
1 KiB
C
53 lines
1 KiB
C
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdarg.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <cammy/image.h>
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#include "png.h"
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#include "commands.h"
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int cammy_command_slice(int argc, char **argv) {
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uint8_t *buf;
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size_t width, height,
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x_pad, y_pad;
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int depth;
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if (argc < 3) {
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cammy_command_usage(argc, argv, "No X padding provided");
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} else if (argc < 4) {
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cammy_command_usage(argc, argv, "No Y padding provided");
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} else if (argc < 5) {
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cammy_command_usage(argc, argv, "No input PNG image provided");
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}
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x_pad = atoi(argv[2]);
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y_pad = atoi(argv[3]);
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if ((buf = cammy_png_load(argv[4], &width, &height, &depth)) == NULL) {
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goto error_read_png_file;
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}
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if (cammy_image_slice(buf, width, height, x_pad, y_pad, depth) < 0) {
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goto error_image_slice;
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}
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free(buf);
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return 0;
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error_image_slice:
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free(buf);
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error_read_png_file:
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return 1;
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}
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