X-Git-Url: https://git.sesse.net/?p=ccbs;a=blobdiff_plain;f=bigscreen%2Frotatescreen.cpp;h=ef7fba079005daa5b4eed55c6b73eeccb1aaace9;hp=47f90956fd9a5eceebaea443ec121c322fe047f1;hb=5205061c547014321afc2d00e739c480df49d197;hpb=186cdc7e5e3d5de43015985401c79e9fb5105144

diff --git a/bigscreen/rotatescreen.cpp b/bigscreen/rotatescreen.cpp
index 47f9095..ef7fba0 100644
--- a/bigscreen/rotatescreen.cpp
+++ b/bigscreen/rotatescreen.cpp
@@ -32,51 +32,57 @@ bool RotateScreen::check_invalidated()
 void RotateScreen::draw(unsigned char *buf)
 {
 	bool force = false;
+
+	if (subscreens.size() == 0) {
+		valid = true;
+		gettimeofday(&last_update, NULL);
+		return;
+	}
 	
 	// 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;
-		printf("fade: %f\n", elapsed_fade);
 		
-		if (elapsed_fade > 5.0 || (!same_fade && elapsed_fade > 0.5)) {
+		if (elapsed_fade > 5.5 || (!same_fade && elapsed_fade > 0.5)) {
 			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;
+					fr = fg = fb = fa = unsigned(elapsed_fade/0.5 * 256.0);
 				} else {
-					fr = 256;
-					fg = fb = fa = unsigned((elapsed_fade-0.5)/4.5 * 256.0);
+					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);
 			}
-			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 >= 0.5) {
+				// 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;
 				}
@@ -110,12 +116,11 @@ void RotateScreen::draw(unsigned char *buf)
 			gettimeofday(&last_update, NULL);
 		}
 
-		if (current_screen != old_current_screen || subscreens[current_screen].screen->check_invalidated()) {
+		if (!valid || current_screen != old_current_screen || subscreens[current_screen].screen->check_invalidated()) {
 			// initialize a fade
 			in_fade = true;
+			fade_found_start_time = false;
 			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);
 
@@ -148,6 +153,8 @@ void RotateScreen::add_screen(GenericScreen *screen)
 	ss.buf = new unsigned char[800 * 600 * 4];
 	ss.screen = screen;
 
+	screen->draw(ss.buf);
+	
 	subscreens.push_back(ss);
 }