fputs("\
Usage: image-tool [options] infile [outfile]\n\
\n\
--q --quiet no progress messages\n\
--f --input-format input image format (jpeg, gif, png)\n\
--F --output-format output image format\n\
--s --size force output dimensions (100x200)\n\
--b --fit-to-box scale to fit the box (100x200)\n\
--c --colorspace force output colorspace (Gray, GrayAlpha, RGB, RGBAlpha)\n\
--Q --jpeg-quality JPEG quality (1..100)\n\
--g --background background color (hexadecimal RRGGBB)\n\
-", stderr);
+-q --quiet no progress messages\n\
+-f --input-format input image format (jpeg, gif, png)\n\
+-F --output-format output image format\n\
+-s --size force output dimensions (100x200)\n\
+-b --fit-to-box scale to fit the box (100x200)\n\
+-c --colorspace force output colorspace (Gray, GrayAlpha, RGB, RGBAlpha)\n\
+-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"
+#ifdef CONFIG_IMAGES_EXIF
+"-e --exif reads Exif data\n"
+#endif
+, stderr);
exit(1);
}
-static char *shortopts = "qf:F:s:b:c:Q:g:";
+static char *shortopts = "qf:F:s:b:c:Q:g:G:ae";
static struct option longopts[] =
{
- { "quiet", 0, 0, 'q' },
- { "input-format", 0, 0, 'f' },
- { "output-format", 0, 0, 'F' },
- { "size", 0, 0, 's' },
- { "fit-to-box", 0, 0, 'b' },
- { "colorspace", 0, 0, 'c' },
- { "jpeg-quality", 0, 0, 'Q' },
- { "background", 0, 0, 'g' },
- { NULL, 0, 0, 0 }
+ { "quiet", 0, 0, 'q' },
+ { "input-format", 0, 0, 'f' },
+ { "output-format", 0, 0, 'F' },
+ { "size", 0, 0, 's' },
+ { "fit-to-box", 0, 0, 'b' },
+ { "colorspace", 0, 0, 'c' },
+ { "jpeg-quality", 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 uns channels_format;
static uns jpeg_quality;
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)
+{
+ if (strlen(s) != 6)
+ usage();
+ errno = 0;
+ char *end;
+ long int v = strtol(s, &end, 16);
+ if (errno || *end || v < 0)
+ usage();
+ color_make_rgb(color, (v >> 16) & 255, (v >> 8) & 255, v & 255);
+}
#define MSG(x...) do{ if (verbose) log(L_INFO, ##x); }while(0)
{
log_init(argv[0]);
int opt;
+ default_background_color = color_white;
while ((opt = getopt_long(argc, argv, shortopts, longopts, NULL)) >= 0)
switch (opt)
{
usage();
break;
case 'g':
- {
- if (strlen(optarg) != 6)
- usage();
- errno = 0;
- char *end;
- long int v = strtol(optarg, &end, 16);
- if (errno || *end || v < 0)
- usage();
- color_make_rgb(&background_color, (v >> 16) & 255, (v >> 8) & 255, v & 255);
- }
+ parse_color(&background_color, optarg);
+ break;
+ case 'G':
+ parse_color(&default_background_color, optarg);
+ break;
+ 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;
struct image_io io;
image_thread_init(&it);
- image_io_init(&it, &io);
+ if (!image_io_init(&it, &io))
+ die("Cannot initialize image I/O (%s)", it.err_msg);
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
+ if (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
{
if (background_color.color_space)
io.background_color = background_color;
else if (!io.background_color.color_space)
- io.background_color = color_white;
+ io.background_color = default_background_color;
+ if (remove_alpha)
+ io.flags &= ~IMAGE_ALPHA;
if (channels_format)
io.flags = io.flags & ~IMAGE_PIXEL_FORMAT | channels_format;
if (!(io.flags & IMAGE_ALPHA))
TRY(image_io_write(&io));
bclose(io.fastbuf);
}
-
+
image_io_cleanup(&io);
image_thread_cleanup(&it);
MSG("Done.");
projects / libucw.git / blobdiff