X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;ds=sidebyside;f=images%2Fimage-tool.c;h=e1717569f86ef165331c2856442fc452ac07be13;hb=c15baf7b8cf0dc6a07b3c57ad346aee68ac6f19f;hp=3e40bcb95b5c2464f6fa5ab0f33bab1410148f7d;hpb=f079adbc69c1521039ee8c6b3aaac5eb209889cd;p=libucw.git

diff --git a/images/image-tool.c b/images/image-tool.c
index 3e40bcb9..e1717569 100644
--- a/images/image-tool.c
+++ b/images/image-tool.c
@@ -29,7 +29,7 @@ Usage: image-tool [options] infile [outfile]\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\
+-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\
@@ -168,6 +168,7 @@ main(int argc, char **argv)
     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)
@@ -178,12 +179,12 @@ main(int argc, char **argv)
       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", (io.flags & IMAGE_IO_HAS_PALETTE) ? (byte *)"Palette" : image_channels_format_to_name(io.flags & IMAGE_CHANNELS_FORMAT));
-      printf("NumColors:   %d\n", io.number_of_colors);
+      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];
-	  color_put_rgb(rgb, &io.background_color);
+	  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)
@@ -192,7 +193,7 @@ main(int argc, char **argv)
   else
     {
       MSG("%s %dx%d %s", image_format_to_extension(io.format) ? : (byte *)"?", io.cols, io.rows,
-	  (io.flags & IMAGE_IO_HAS_PALETTE) ? (byte *)"Palette" : 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_to_box)
 	  {
@@ -215,13 +216,22 @@ main(int argc, char **argv)
         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);
     }