double elapsed_fade = double(now.tv_sec - fade_started.tv_sec) +
double(now.tv_usec - fade_started.tv_usec) * 1.0e-6;
- printf("fade: %f\n", elapsed_fade);
- if (elapsed_fade > 5.0 || (!same_fade && elapsed_fade > 0.5)) {
+ if (elapsed_fade > 6.0 || (!same_fade && elapsed_fade > 1.0)) {
in_fade = false;
+
+ // ugly hack here? :-)
+ subscreens[current_screen].screen->draw(subscreens[current_screen].buf);
+
memcpy(buf, subscreens[current_screen].buf, 800 * 600 * 4);
- printf("fade done\n");
} else {
// find the fade factors
int fr, fg, fb, fa;
if (same_fade) {
- fr = unsigned(elapsed_fade/0.5 * 256.0);
- if (elapsed_fade < 0.5) {
- fg = fb = fa = 0;
+ if (elapsed_fade < 1.0) {
+ fr = fg = fb = fa = unsigned(elapsed_fade/1.0 * 256.0);
} else {
- fr = 256;
- fg = fb = fa = unsigned((elapsed_fade-0.5)/4.5 * 256.0);
+ fr = fg = fb = fa = unsigned((elapsed_fade-1.0)/5.0 * 256.0);
}
} else {
- fr = fg = fb = fa = unsigned(elapsed_fade/0.5 * 256.0);
+ fr = fg = fb = fa = unsigned(elapsed_fade/1.0 * 256.0);
}
- printf("%u %u %u %u\n", fr, fg, fb, fa);
unsigned char *sptr1 = fadefrom_buf;
unsigned char *sptr2 = subscreens[current_screen].buf;
unsigned char *dptr = buf;
- if (same_fade) {
+ if (same_fade && elapsed_fade >= 1.0) {
+ // fade G&B to be = R
for (unsigned i = 0; i < 800 * 600; ++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);
-
- if (dptr[0] > dptr[2])
- dptr[0] = dptr[2];
- if (dptr[1] > dptr[2])
- dptr[1] = dptr[2];
+ 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;
}
in_fade = true;
same_fade = (current_screen == old_current_screen);
gettimeofday(&fade_started, NULL);
- printf("starting fade (same=%u)\n", same_fade);
memcpy(fadefrom_buf, subscreens[old_current_screen].buf, 800 * 600 * 4);