121 lines
2.6 KiB
C
121 lines
2.6 KiB
C
#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 <errno.h>
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#include "pnglite.h"
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#include <cammy/sram.h>
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#include <cammy/photo.h>
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static void usage(int argc, char **argv, const char *message, ...) {
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if (message) {
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va_list args;
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va_start(args, message);
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vfprintf(stderr, message, args);
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va_end(args);
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fprintf(stderr, "\n");
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}
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fprintf(stderr, "usage: %s file.sav photo1..30 photo.png\n", argv[0]);
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exit(1);
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}
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static inline uint8_t *buf_malloc(png_t *png) {
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return malloc(4 * png->width * png->height);
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}
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int main(int argc, char **argv) {
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cammy_sram *sram;
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png_t *png;
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int photo = 0;
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uint8_t *buf;
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int error;
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if (argc < 2) {
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usage(argc, argv, "No save file provided");
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} else if (argc < 3) {
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usage(argc, argv, "No photo number provided");
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} else if (argc < 4) {
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usage(argc, argv, "No photo provided");
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}
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photo = atoi(argv[2]);
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if (photo < 1 || photo > CAMMY_SRAM_PHOTO_COUNT) {
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usage(argc, argv, "Invalid photo number");
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}
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if ((sram = cammy_sram_open(argv[1])) == NULL) {
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fprintf(stderr, "%s: %s: %s: %s\n",
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argv[0], "cammy_sram_open()", argv[1], strerror(errno));
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goto error_sram_open;
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}
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png_init(malloc, free);
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if ((png = malloc(sizeof(*png))) == NULL) {
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goto error_malloc_png;
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}
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if ((error = png_open_file_read(png, argv[3])) < 0) {
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fprintf(stderr, "%s: %s: %s: %s\n",
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argv[0], "png_open_file_read()", argv[3], png_error_string(error));
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goto error_png_open_file_read;
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}
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if (png->width != CAMMY_PHOTO_WIDTH
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|| png->height != CAMMY_PHOTO_HEIGHT) {
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fprintf(stderr, "%s: %s: %s\n",
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argv[0], argv[3], "Invalid image dimensions");
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goto error_invalid_dimensions;
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}
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if ((buf = buf_malloc(png)) == NULL) {
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fprintf(stderr, "%s: %s: %s\n",
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argv[0], "malloc()", strerror(errno));
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goto error_buf_malloc;
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}
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if ((error = png_get_data(png, buf)) < 0) {
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fprintf(stderr, "%s: %s: %s: %s\n",
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argv[0], "png_get_data()", argv[3], png_error_string(error));
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goto error_png_get_data;
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}
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cammy_photo_import(&sram->data->photos[photo-1], buf, (int)png->bpp);
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free(buf);
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png_close_file(png);
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free(png);
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cammy_sram_close(sram);
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return 0;
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error_png_get_data:
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free(buf);
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error_buf_malloc:
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error_invalid_dimensions:
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png_close_file(png);
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error_png_open_file_read:
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free(png);
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error_malloc_png:
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cammy_sram_close(sram);
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error_sram_open:
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return 1;
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}
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