#else /* !HAVE_GIF */
#ifdef MAC_OS
-static Lisp_Object Qduration;
-
static int
gif_load (f, img)
struct frame *f;
DisposeHandle (dh);
/* Save GIF image extension data for `image-extension-data'.
- Format is (count IMAGES duration DURATION). */
- img->data.lisp_val = list4 (Qcount, make_number (nsamples), Qduration,
- make_float ((double)duration / time_scale));
+ Format is (count IMAGES 0xf9 GRAPHIC_CONTROL_EXTENSION_BLOCK). */
+ {
+ unsigned char gce[4];
+ int centisec = ((float)duration / time_scale) * 100.0f + 0.5f;
+
+ /* Fill the delay time field. */
+ gce[1] = centisec & 0xff;
+ gce[2] = (centisec >> 8) & 0xff;
+ /* We don't know about other fields. */
+ gce[0] = gce[3] = 0;
+
+ img->data.lisp_val = list4 (Qcount, make_number (nsamples),
+ make_number (0xf9),
+ make_unibyte_string (gce, 4));
+ }
/* Maybe fill in the background field while we have ximg handy. */
if (NILP (image_spec_value (img->spec, QCbackground, NULL)))
ADD_IMAGE_TYPE(Qgif);
#endif
-#ifdef MAC_OS
- Qduration = intern ("duration");
- staticpro (&Qduration);
-#endif
-
#if defined (HAVE_PNG) || defined (MAC_OS)
Qpng = intern ("png");
staticpro (&Qpng);