+
+ // if we're in a fade, complete it before doing anything else
+ if (in_fade) {
+ struct timeval now;
+ gettimeofday(&now, NULL);
+
+ if (!fade_found_start_time) {
+ fade_found_start_time = true;
+ fade_started = now;
+ }
+
+ double elapsed_fade = double(now.tv_sec - fade_started.tv_sec) +
+ double(now.tv_usec - fade_started.tv_usec) * 1.0e-6;
+
+ if (elapsed_fade > 5.5 || (!fade_to_new_info && elapsed_fade > 0.5)) {
+ in_fade = false;
+
+ // ugly hack here? :-)
+ subscreens[current_screen].screen->draw(subscreens[current_screen].buf, width, height);
+
+ memcpy(buf, subscreens[current_screen].buf, width * height * 4);
+ } else {
+ // find the fade factors
+ int fr, fg, fb, fa;
+ if (fade_to_new_info) {
+ if (elapsed_fade < 0.5) {
+ fr = fg = fb = fa = unsigned(elapsed_fade/0.5 * 256.0);
+ } else {
+ fr = fg = fb = fa = unsigned((elapsed_fade-0.5)/5.0 * 256.0);
+ }
+ } else {
+ fr = fg = fb = fa = unsigned(elapsed_fade/0.5 * 256.0);
+ }
+
+ unsigned char *sptr1 = fadefrom_buf;
+ unsigned char *sptr2 = subscreens[current_screen].buf;
+ unsigned char *dptr = buf;
+
+ if (fade_to_new_info && elapsed_fade >= 0.5) {
+ // fade G&B to be = R
+ for (unsigned i = 0; i < width * height; ++i) {
+ dptr[0] = sptr2[0] + (((int(sptr2[2]) - int(sptr2[0])) * fb) >> 8);
+ dptr[1] = sptr2[1] + (((int(sptr2[2]) - int(sptr2[1])) * fg) >> 8);
+ dptr[2] = sptr2[2];
+ dptr[3] = sptr2[3];
+
+ sptr1 += 4, sptr2 += 4, dptr += 4;
+ }
+ } else {
+ for (unsigned i = 0; i < width * height; ++i) {
+ dptr[0] = sptr1[0] + (((int(sptr2[0]) - int(sptr1[0])) * fb) >> 8);
+ dptr[1] = sptr1[1] + (((int(sptr2[1]) - int(sptr1[1])) * fg) >> 8);
+ dptr[2] = sptr1[2] + (((int(sptr2[2]) - int(sptr1[2])) * fr) >> 8);
+ dptr[3] = sptr1[3] + (((int(sptr2[3]) - int(sptr1[3])) * fa) >> 8);