-Q --jpeg-quality JPEG quality (1..100)\n\
-g --background background color (hexadecimal RRGGBB)\n\
-G --default-background background applied only if the image contains no background info (RRGGBB, default=FFFFFF)\n\
--a --remove-alpha remove alpha channel\n\
-", stderr);
+-a --remove-alpha remove alpha channel\n"
+#ifdef CONFIG_IMAGES_EXIF
+"-e --exif reads Exif data\n"
+#endif
+, stderr);
exit(1);
}
-static char *shortopts = "qf:F:s:b:c:Q:g:G:a";
+static char *shortopts = "qf:F:s:b:c:Q:g:G:ae";
static struct option longopts[] =
{
{ "quiet", 0, 0, 'q' },
{ "background", 0, 0, 'g' },
{ "default-background", 0, 0, 'G' },
{ "remove-alpha", 0, 0, 'a' },
+#ifdef CONFIG_IMAGES_EXIF
+ { "exif", 0, 0, 'e' },
+#endif
{ NULL, 0, 0, 0 }
};
-
+
static uns verbose = 1;
static byte *input_file_name;
static enum image_format input_format;
static struct color background_color;
static struct color default_background_color;
static uns remove_alpha;
+#ifdef CONFIG_IMAGES_EXIF
+static uns exif;
+#endif
static void
parse_color(struct color *color, byte *s)
case 'a':
remove_alpha++;
break;
+#ifdef CONFIG_IMAGES_EXIF
+ case 'e':
+ exif++;
+ break;
+#endif
default:
usage();
}
input_file_name = argv[optind++];
if (argc > optind)
output_file_name = argv[optind];
-
+
#define TRY(x) do{ if (!(x)) die("Error: %s", it.err_msg); }while(0)
MSG("Initializing image library");
struct image_thread it;
MSG("Reading %s", input_file_name);
io.fastbuf = bopen(input_file_name, O_RDONLY, 1 << 18);
io.format = input_format ? : image_file_name_to_format(input_file_name);
+#ifdef CONFIG_IMAGES_EXIF
+ io.flags |= IMAGE_IO_WANT_EXIF;
+#endif
TRY(image_io_read_header(&io));
if (!output_file_name)
{
color_put_rgb(rgb, &io.background_color);
printf("Background: %02x%02x%02x\n", rgb[0], rgb[1], rgb[2]);
}
+#ifdef CONFIG_IMAGES_EXIF
+ if (io.exif_size)
+ printf("ExifSize: %u\n", io.exif_size);
+#endif
}
else
{
TRY(image_io_write(&io));
bclose(io.fastbuf);
}
-
+
image_io_cleanup(&io);
image_thread_cleanup(&it);
MSG("Done.");