RotateScreen::RotateScreen()
: valid(false), current_screen(0), in_fade(false)
{
- fadefrom_buf = new unsigned char[800 * 600 * 4];
+ fadefrom_buf = new unsigned char[SCREEN_WIDTH * SCREEN_HEIGHT * 4];
}
RotateScreen::~RotateScreen()
return true;
if (needs_update())
return true;
+ if (!can_update())
+ return false;
for (unsigned i = 0; i < subscreens.size(); ++i) {
if (subscreens[i].screen->check_invalidated())
// ugly hack here? :-)
subscreens[current_screen].screen->draw(subscreens[current_screen].buf);
- memcpy(buf, subscreens[current_screen].buf, 800 * 600 * 4);
+ memcpy(buf, subscreens[current_screen].buf, SCREEN_WIDTH * SCREEN_HEIGHT * 4);
} else {
// find the fade factors
int fr, fg, fb, fa;
if (fade_to_new_info && elapsed_fade >= 0.5) {
// fade G&B to be = R
- for (unsigned i = 0; i < 800 * 600; ++i) {
+ for (unsigned i = 0; i < SCREEN_WIDTH * SCREEN_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];
sptr1 += 4, sptr2 += 4, dptr += 4;
}
} else {
- for (unsigned i = 0; i < 800 * 600; ++i) {
+ for (unsigned i = 0; i < SCREEN_WIDTH * SCREEN_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);
// determine if we want to switch screens
unsigned old_current_screen = current_screen;
+ int priority = -9999; // bah :-P
// push any invalidated screen first (for now)
for (unsigned i = 0; i < subscreens.size(); ++i) {
- if (subscreens[i].screen->check_invalidated()) {
+ if (subscreens[i].screen->check_invalidated() && subscreens[i].screen->get_priority() > priority) {
current_screen = i;
force = true;
+ priority = subscreens[i].screen->get_priority();
}
}
fade_found_start_time = false;
fade_to_new_info = force;
- memcpy(fadefrom_buf, subscreens[old_current_screen].buf, 800 * 600 * 4);
+ memcpy(fadefrom_buf, subscreens[old_current_screen].buf, SCREEN_WIDTH * SCREEN_HEIGHT * 4);
if (subscreens[current_screen].screen->check_invalidated())
subscreens[current_screen].screen->draw(subscreens[current_screen].buf);
return (since >= 10.0);
}
+// hold all screens for minimum three seconds, hold all screens with new info for at minimum eight seconds
+bool RotateScreen::can_update()
+{
+ struct timeval now;
+ gettimeofday(&now, NULL);
+
+ double since = double(now.tv_sec - last_update.tv_sec) +
+ double(now.tv_usec - last_update.tv_usec) * 1.0e-6;
+
+ if (since < 3.0)
+ return false;
+ if (fade_to_new_info && since < 8.0)
+ return false;
+ return true;
+}
+
void RotateScreen::add_screen(GenericScreen *screen)
{
Subscreen ss;
- ss.buf = new unsigned char[800 * 600 * 4];
+ ss.buf = new unsigned char[SCREEN_WIDTH * SCREEN_HEIGHT * 4];
ss.screen = screen;
screen->draw(ss.buf);