From 437a7cc07cc6deca0c8f6f2565fa3cd253e2fa7c Mon Sep 17 00:00:00 2001
From: Willem Jan Palenstijn
Date: Mon, 5 Oct 2009 23:00:48 +0000
Subject: SCI: Make getBitsDataSize use the same logic as saveBits

svn-id: r44682
---
 engines/sci/gui/gui_screen.cpp | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/engines/sci/gui/gui_screen.cpp b/engines/sci/gui/gui_screen.cpp
index c4429e57c9..a1372d829f 100644
--- a/engines/sci/gui/gui_screen.cpp
+++ b/engines/sci/gui/gui_screen.cpp
@@ -127,10 +127,16 @@ byte SciGuiScreen::isFillMatch(int16 x, int16 y, byte flag, byte t_color, byte t
 int SciGuiScreen::getBitsDataSize(Common::Rect rect, byte mask) {
 	int byteCount = sizeof(rect) + sizeof(mask);
 	int pixels = rect.width() * rect.height();
-	byteCount += pixels;
-
-	if (mask & SCI_SCREEN_MASK_VISUAL)
-		byteCount += pixels;
+	if (mask & SCI_SCREEN_MASK_VISUAL) {
+		byteCount += pixels; // _visualScreen
+		byteCount += pixels; // _displayScreen
+	}
+	if (mask & SCI_SCREEN_MASK_PRIORITY) {
+		byteCount += pixels; // _priorityScreen
+	}
+	if (mask & SCI_SCREEN_MASK_CONTROL) {
+		byteCount += pixels; // _controlScreen
+	}
 
 	return byteCount;
 }
-- 
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