/*
- * Simple image manupulation utility
+ * Image Library -- Simple image manipulation utility
*
* (c) 2006 Pavel Charvat <pchar@ucw.cz>
*
* of the GNU General Public License.
*/
-#include "lib/lib.h"
-#include "lib/getopt.h"
-#include "lib/fastbuf.h"
-#include "images/images.h"
+#include <ucw/lib.h>
+#include <ucw/fastbuf.h>
+#include <images/images.h>
+#include <images/color.h>
+
+#include <getopt.h>
#include <stdlib.h>
#include <fcntl.h>
+#include <errno.h>
+#include <stdio.h>
static void NONRET
usage(void)
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-box scale to fit the box (100x200)\n\
--c --colorspace force output colorspace (gray, grayalpha, rgb, rgbalpha)\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 (Grayscale, Grayscale+Alpha, RGB, RGB+Alpha, ...)\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\
+-e --exif reads Exif data\n"
+, stderr);
exit(1);
}
-static char *shortopts = "qf:F:s:b:c:" CF_SHORT_OPTS;
+static char *shortopts = "qf:F:s:b:c:Q:g:G:ae";
static struct option longopts[] =
{
- CF_LONG_OPTS
- { "quiet", 0, 0, 'q' },
- { "input-format", 0, 0, 'f' },
- { "output-format", 0, 0, 'F' },
- { "size", 0, 0, 's' },
- { "fit-box", 0, 0, 'b' },
- { "colorspace", 0, 0, 'c' },
- { 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' },
+ { "exif", 0, 0, 'e' },
+ { NULL, 0, 0, 0 }
};
-
+
static uns verbose = 1;
static byte *input_file_name;
static enum image_format input_format;
static enum image_format output_format;
static uns cols;
static uns rows;
-static uns fit_box;
+static uns fit_to_box;
static uns channels_format;
+static uns jpeg_quality;
+static struct color background_color;
+static struct color default_background_color;
+static uns remove_alpha;
+static uns exif;
+
+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)
+#define MSG(x...) do{ if (verbose) msg(L_INFO, ##x); }while(0)
int
main(int argc, char **argv)
{
log_init(argv[0]);
int opt;
- while ((opt = cf_getopt(argc, argv, shortopts, longopts, NULL)) >= 0)
+ default_background_color = color_white;
+ while ((opt = getopt_long(argc, argv, shortopts, longopts, NULL)) >= 0)
switch (opt)
{
case 'q':
*r++ = 0;
if (!(cols = atoi(optarg)) || !(rows = atoi(r)))
usage();
- fit_box = 0;
+ fit_to_box = 0;
break;
}
case 'b':
*r++ = 0;
if (!(cols = atoi(optarg)) || !(rows = atoi(r)))
usage();
- fit_box = 1;
+ fit_to_box = 1;
break;
}
case 'c':
if (!(channels_format = image_name_to_channels_format(optarg)))
usage();
break;
+ case 'Q':
+ if (!(jpeg_quality = atoi(optarg)))
+ usage();
+ break;
+ case 'g':
+ parse_color(&background_color, optarg);
+ break;
+ case 'G':
+ parse_color(&default_background_color, optarg);
+ break;
+ case 'a':
+ remove_alpha++;
+ break;
+ case 'e':
+ exif++;
+ break;
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)
+
+#define TRY(x) do{ if (!(x)) exit(1); }while(0)
MSG("Initializing image library");
- struct image_thread it;
+ struct image_context ctx;
struct image_io io;
- image_thread_init(&it);
- image_io_init(&it, &io);
+ image_context_init(&ctx);
+ ctx.tracing_level = ~0U;
+ if (!image_io_init(&ctx, &io))
+ die("Cannot initialize image I/O");
MSG("Reading %s", input_file_name);
+ byte cs_buf[IMAGE_CHANNELS_FORMAT_MAX_SIZE];
io.fastbuf = bopen(input_file_name, O_RDONLY, 1 << 18);
io.format = input_format ? : image_file_name_to_format(input_file_name);
+ if (exif)
+ io.flags |= IMAGE_IO_WANT_EXIF;
TRY(image_io_read_header(&io));
if (!output_file_name)
{
bclose(io.fastbuf);
printf("Format: %s\n", image_format_to_extension(io.format) ? : (byte *)"?");
printf("Dimensions: %dx%d\n", io.cols, io.rows);
- printf("Colorspace: %s\n", image_channels_format_to_name(io.flags & IMAGE_CHANNELS_FORMAT));
+ printf("Colorspace: %s\n", (io.flags & IMAGE_IO_HAS_PALETTE) ? (byte *)"Palette" : image_channels_format_to_name(io.flags, cs_buf));
+ printf("NumColors: %u\n", io.number_of_colors);
+ if (io.background_color.color_space)
+ {
+ byte rgb[3];
+ TRY(color_put(&ctx, &io.background_color, rgb, COLOR_SPACE_RGB));
+ printf("Background: %02x%02x%02x\n", rgb[0], rgb[1], rgb[2]);
+ }
+ if (io.exif_size)
+ printf("ExifSize: %u\n", io.exif_size);
}
else
{
MSG("%s %dx%d %s", image_format_to_extension(io.format) ? : (byte *)"?", io.cols, io.rows,
- image_channels_format_to_name(io.flags & IMAGE_CHANNELS_FORMAT));
+ (io.flags & IMAGE_IO_HAS_PALETTE) ? (byte *)"Palette" : image_channels_format_to_name(io.flags, cs_buf));
if (cols)
- if (fit_box)
+ if (fit_to_box)
{
image_dimensions_fit_to_box(&io.cols, &io.rows, MIN(cols, 0xffff), MIN(rows, 0xffff), 0);
}
io.cols = cols;
io.rows = rows;
}
+ if (background_color.color_space)
+ io.background_color = background_color;
+ else if (!io.background_color.color_space)
+ 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))
+ io.flags |= IMAGE_IO_USE_BACKGROUND;
+ if (jpeg_quality)
+ io.jpeg_quality = jpeg_quality;
+ uns output_fmt = output_format ? : image_file_name_to_format(output_file_name);
+ uns output_cs = io.flags & IMAGE_COLOR_SPACE;
+ if (output_fmt != IMAGE_FORMAT_JPEG &&
+ output_cs != COLOR_SPACE_GRAYSCALE &&
+ output_cs != COLOR_SPACE_RGB)
+ {
+ MSG("Forcing RGB color space");
+ io.flags = (io.flags & ~IMAGE_COLOR_SPACE) | COLOR_SPACE_RGB;
+ }
TRY(image_io_read_data(&io, 0));
bclose(io.fastbuf);
MSG("Writing %s", output_file_name);
io.fastbuf = bopen(output_file_name, O_WRONLY | O_CREAT | O_TRUNC, 1 << 18);
io.format = output_format ? : image_file_name_to_format(output_file_name);
MSG("%s %dx%d %s", image_format_to_extension(io.format) ? : (byte *)"?", io.cols, io.rows,
- image_channels_format_to_name(io.flags & IMAGE_CHANNELS_FORMAT));
+ image_channels_format_to_name(io.flags, cs_buf));
TRY(image_io_write(&io));
bclose(io.fastbuf);
}
-
+
image_io_cleanup(&io);
- image_thread_cleanup(&it);
+ image_context_cleanup(&ctx);
MSG("Done.");
return 0;
}
projects / libucw.git / blobdiff