CMYK JPEGs, at least Adobe ones for now

1 files changed, 6 insertions, 2 deletions

diff --git a/src/jpeg.c b/src/jpeg.c
index ab675b2f..262a1346 100644
--- a/src/jpeg.c
+++ b/src/jpeg.c
@@ -273,8 +273,12 @@ static void Jpeg_write(DilloJpeg *jpeg, void *Buf, uint_t BufSize)
          } else if (jpeg->cinfo.num_components == 3) {
             type = DILLO_IMG_TYPE_RGB;
          } else {
-            _MSG("jpeg: can't handle %d component images\n",
-                 jpeg->cinfo.num_components);
+            MSG("4-component JPEG!\n");
+            if (jpeg->cinfo.jpeg_color_space == JCS_YCCK)
+               MSG("YCCK. Are the colors wrong?\n");
+            if (!jpeg->cinfo.saw_Adobe_marker)
+               MSG("No adobe marker! Is the image shown in reverse video?\n");
+            type = DILLO_IMG_TYPE_CMYK_INV;
          }
          /*
           * If a multiple-scan image is not completely in cache,