89 lines
2 KiB
C
89 lines
2 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <string.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/photo.h>
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#include <cammy/camera.h>
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#include "commands.h"
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static cammy_image_color palette[4] = {
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{ 0, 0, 0, 0 },
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{ 85, 85, 85, 0 },
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{ 171, 171, 171, 0 },
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{ 255, 255, 255, 0 }
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};
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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: %1$s export file.sav 1..30 output.png\n", argv[0]);
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exit(1);
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}
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int cammy_export(int argc, char **argv) {
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cammy_camera *camera;
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int photo = 0;
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cammy_image *image;
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if (argc < 3) {
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usage(argc, argv, "No save file provided");
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} else if (argc < 4) {
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usage(argc, argv, "No photo number provided");
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} else if (argc < 5) {
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usage(argc, argv, "No output filename provided");
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}
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photo = atoi(argv[3]);
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if (photo < 1 || photo > CAMMY_CAMERA_PHOTO_COUNT) {
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usage(argc, argv, "Invalid photo number");
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}
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if ((camera = cammy_camera_open(argv[2])) == NULL) {
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fprintf(stderr, "%s: %s: %s: %s\n",
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argv[0], "cammy_camera_open()", argv[2], strerror(errno));
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goto error_camera_open;
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}
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if ((image = cammy_photo_export(&camera->data->photos[photo],
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CAMMY_IMAGE_BITMAP,
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CAMMY_IMAGE_24BPP_RGB,
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palette)) == NULL) {
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goto error_photo_export;
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}
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if (cammy_image_save(image, argv[4]) < 0) {
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goto error_image_save;
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}
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cammy_image_destroy(image);
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cammy_camera_close(camera);
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return 0;
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error_image_save:
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cammy_image_destroy(image);
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error_photo_export:
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cammy_camera_close(camera);
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error_camera_open:
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return 1;
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}
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