X-Git-Url: https://git.sesse.net/?p=ccbs;a=blobdiff_plain;f=bigscreen%2Frotatescreen.cpp;h=96a3ebc7bad1137f957e1971642f611ddd34247e;hp=8e216cf0082ae41f1106ffd0d047acb39207060d;hb=914b810749b54bb07e1944e558015d6c8f615528;hpb=0b8471f238865dae36baee7d316e88fb7f2f7f8b

diff --git a/bigscreen/rotatescreen.cpp b/bigscreen/rotatescreen.cpp
index 8e216cf..96a3ebc 100644
--- a/bigscreen/rotatescreen.cpp
+++ b/bigscreen/rotatescreen.cpp
@@ -38,32 +38,57 @@ void RotateScreen::draw(unsigned char *buf)
 		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 > 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 = unsigned(elapsed_fade/0.5 * 256.0);
-			int fg = unsigned(elapsed_fade/0.5 * 256.0);
-			int fb = unsigned(elapsed_fade/0.5 * 256.0);
-			int fa = unsigned(elapsed_fade/0.5 * 256.0);
+			int fr, fg, fb, fa;
+			if (same_fade) {
+				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;
 
-			for (unsigned i = 0; i < 800 * 600; ++i) {
-				dptr[0] = sptr1[0] + (((int(sptr2[0]) - int(sptr1[0])) * fr) >> 8);
-				dptr[1] = sptr1[1] + (((int(sptr2[1]) - int(sptr1[1])) * fg) >> 8);
-				dptr[2] = sptr1[2] + (((int(sptr2[2]) - int(sptr1[2])) * fb) >> 8);
-				dptr[3] = sptr1[3] + (((int(sptr2[3]) - int(sptr1[3])) * fa) >> 8); 
-
-				sptr1 += 4, sptr2 += 4, dptr += 4;
+			if (same_fade && elapsed_fade >= 0.5) {
+				// fade G&B to be = R
+				for (unsigned i = 0; i < 800 * 600; ++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 < 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); 
+
+					sptr1 += 4, sptr2 += 4, dptr += 4;
+				}
 			}
 		}
 	} else {
@@ -88,13 +113,13 @@ void RotateScreen::draw(unsigned char *buf)
 		if (current_screen != old_current_screen || subscreens[current_screen].screen->check_invalidated()) {
 			// initialize a fade
 			in_fade = true;
-			gettimeofday(&fade_started, NULL);
-			printf("starting fade\n");
+			fade_found_start_time = false;
+			same_fade = (current_screen == old_current_screen);
 			
+			memcpy(fadefrom_buf, subscreens[old_current_screen].buf, 800 * 600 * 4);
+
 			if (subscreens[current_screen].screen->check_invalidated())
 				subscreens[current_screen].screen->draw(subscreens[current_screen].buf);
-		
-			memcpy(fadefrom_buf, subscreens[old_current_screen].buf, 800 * 600 * 4);
 		}
 	}