From 9577a45cdd70ca7b9e471434478f9eba8e60374e Mon Sep 17 00:00:00 2001
From: Martin Kiewitz
Date: Thu, 7 Jan 2010 15:50:58 +0000
Subject: SCI: fixed save/restorebits within screen class for displayscreen
 case, fixes kq6 menu bar

svn-id: r47125
---
 engines/sci/graphics/gfx.cpp    | 10 ++++++++--
 engines/sci/graphics/screen.cpp | 28 ++++++++++++++--------------
 engines/sci/graphics/screen.h   |  4 ++--
 3 files changed, 24 insertions(+), 18 deletions(-)

(limited to 'engines/sci/graphics')

diff --git a/engines/sci/graphics/gfx.cpp b/engines/sci/graphics/gfx.cpp
index a6aed9ec5c..5f4e6a5b02 100644
--- a/engines/sci/graphics/gfx.cpp
+++ b/engines/sci/graphics/gfx.cpp
@@ -277,6 +277,12 @@ reg_t Gfx::BitsSave(const Common::Rect &rect, byte screenMask) {
 
 	OffsetRect(workerRect);
 
+	if (screenMask == SCI_SCREEN_MASK_DISPLAY) {
+		// Adjust rect to upscaled hires
+		workerRect.top *= 2; workerRect.bottom *= 2; workerRect.bottom++;
+		workerRect.left *= 2; workerRect.right *= 2; workerRect.right++;
+	}
+
 	// now actually ask _screen how much space it will need for saving
 	size = _screen->bitsGetDataSize(workerRect, screenMask);
 
@@ -383,8 +389,8 @@ void Gfx::drawHiresCelAndShow(GuiResourceId viewId, int16 loopNo, int16 celNo, u
 		// adjust curPort to upscaled hires
 		clipRect = celRect;
 		curPortRect = _curPort->rect;
-		curPortRect.top *= 2; curPortRect.bottom *= 2;
-		curPortRect.left *= 2; curPortRect.right *= 2;
+		curPortRect.top *= 2; curPortRect.bottom *= 2; curPortRect.bottom++;
+		curPortRect.left *= 2; curPortRect.right *= 2; curPortRect.right++;
 		clipRect.clip(curPortRect);
 		if (clipRect.isEmpty()) // nothing to draw
 			return;
diff --git a/engines/sci/graphics/screen.cpp b/engines/sci/graphics/screen.cpp
index 6260645f53..a3131dec02 100644
--- a/engines/sci/graphics/screen.cpp
+++ b/engines/sci/graphics/screen.cpp
@@ -280,31 +280,31 @@ void Screen::bitsSave(Common::Rect rect, byte mask, byte *memoryPtr) {
 	memcpy(memoryPtr, (void *)&mask, sizeof(mask)); memoryPtr += sizeof(mask);
 
 	if (mask & SCI_SCREEN_MASK_VISUAL) {
-		bitsSaveScreen(rect, _visualScreen, memoryPtr);
+		bitsSaveScreen(rect, _visualScreen, _width, memoryPtr);
 		bitsSaveDisplayScreen(rect, memoryPtr);
 	}
 	if (mask & SCI_SCREEN_MASK_PRIORITY) {
-		bitsSaveScreen(rect, _priorityScreen, memoryPtr);
+		bitsSaveScreen(rect, _priorityScreen, _width, memoryPtr);
 	}
 	if (mask & SCI_SCREEN_MASK_CONTROL) {
-		bitsSaveScreen(rect, _controlScreen, memoryPtr);
+		bitsSaveScreen(rect, _controlScreen, _width, memoryPtr);
 	}
 	if (mask & SCI_SCREEN_MASK_DISPLAY) {
 		if (!_upscaledHires)
 			error("bitsSave() called w/o being in upscaled hires mode");
-		bitsSaveScreen(rect, _displayScreen, memoryPtr);
+		bitsSaveScreen(rect, _displayScreen, _displayWidth, memoryPtr);
 	}
 }
 
-void Screen::bitsSaveScreen(Common::Rect rect, byte *screen, byte *&memoryPtr) {
+void Screen::bitsSaveScreen(Common::Rect rect, byte *screen, uint16 screenWidth, byte *&memoryPtr) {
 	int width = rect.width();
 	int y;
 
-	screen += (rect.top * _width) + rect.left;
+	screen += (rect.top * screenWidth) + rect.left;
 
 	for (y = rect.top; y < rect.bottom; y++) {
 		memcpy(memoryPtr, (void*)screen, width); memoryPtr += width;
-		screen += _width;
+		screen += screenWidth;
 	}
 }
 
@@ -339,31 +339,31 @@ void Screen::bitsRestore(byte *memoryPtr) {
 	memcpy((void *)&mask, memoryPtr, sizeof(mask)); memoryPtr += sizeof(mask);
 
 	if (mask & SCI_SCREEN_MASK_VISUAL) {
-		bitsRestoreScreen(rect, memoryPtr, _visualScreen);
+		bitsRestoreScreen(rect, memoryPtr, _visualScreen, _width);
 		bitsRestoreDisplayScreen(rect, memoryPtr);
 	}
 	if (mask & SCI_SCREEN_MASK_PRIORITY) {
-		bitsRestoreScreen(rect, memoryPtr, _priorityScreen);
+		bitsRestoreScreen(rect, memoryPtr, _priorityScreen, _width);
 	}
 	if (mask & SCI_SCREEN_MASK_CONTROL) {
-		bitsRestoreScreen(rect, memoryPtr, _controlScreen);
+		bitsRestoreScreen(rect, memoryPtr, _controlScreen, _width);
 	}
 	if (mask & SCI_SCREEN_MASK_DISPLAY) {
 		if (!_upscaledHires)
 			error("bitsRestore() called w/o being in upscaled hires mode");
-		bitsRestoreScreen(rect, memoryPtr, _displayScreen);
+		bitsRestoreScreen(rect, memoryPtr, _displayScreen, _displayWidth);
 	}
 }
 
-void Screen::bitsRestoreScreen(Common::Rect rect, byte *&memoryPtr, byte *screen) {
+void Screen::bitsRestoreScreen(Common::Rect rect, byte *&memoryPtr, byte *screen, uint16 screenWidth) {
 	int width = rect.width();
 	int y;
 
-	screen += (rect.top * _width) + rect.left;
+	screen += (rect.top * screenWidth) + rect.left;
 
 	for (y = rect.top; y < rect.bottom; y++) {
 		memcpy((void*) screen, memoryPtr, width); memoryPtr += width;
-		screen += _width;
+		screen += screenWidth;
 	}
 }
 
diff --git a/engines/sci/graphics/screen.h b/engines/sci/graphics/screen.h
index 881025cec0..fcf8b2b002 100644
--- a/engines/sci/graphics/screen.h
+++ b/engines/sci/graphics/screen.h
@@ -106,9 +106,9 @@ private:
 	byte _colorWhite;
 	byte _colorDefaultVectorData;
 
-	void bitsRestoreScreen(Common::Rect rect, byte *&memoryPtr, byte *screen);
+	void bitsRestoreScreen(Common::Rect rect, byte *&memoryPtr, byte *screen, uint16 screenWidth);
 	void bitsRestoreDisplayScreen(Common::Rect rect, byte *&memoryPtr);
-	void bitsSaveScreen(Common::Rect rect, byte *screen, byte *&memoryPtr);
+	void bitsSaveScreen(Common::Rect rect, byte *screen, uint16 screenWidth, byte *&memoryPtr);
 	void bitsSaveDisplayScreen(Common::Rect rect, byte *&memoryPtr);
 
 	bool _unditherState;
-- 
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