SHERLOCK: Changed engine to use Graphics::ManagedSurface

11 files changed, 521 insertions, 443 deletions

diff --git a/engines/sherlock/scalpel/3do/scalpel_3do_screen.cpp b/engines/sherlock/scalpel/3do/scalpel_3do_screen.cpp
new file mode 100644
index 0000000000..f848394864
--- /dev/null
+++ b/engines/sherlock/scalpel/3do/scalpel_3do_screen.cpp
@@ -0,0 +1,286 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include "sherlock/scalpel/scalpel_screen.h"
+#include "sherlock/scalpel/scalpel.h"
+#include "sherlock/scalpel/3do/scalpel_3do_screen.h"
+
+namespace Sherlock {
+
+namespace Scalpel {
+
+Scalpel3DOScreen::Scalpel3DOScreen(SherlockEngine *vm): ScalpelScreen(vm) {
+}
+
+void Scalpel3DOScreen::SHblitFrom(const Graphics::Surface &src, const Common::Point &pt, const Common::Rect &srcBounds) {
+	if (!_vm->_isScreenDoubled) {
+		ScalpelScreen::SHblitFrom(src, pt, srcBounds);
+		return;
+	}
+
+	Common::Rect srcRect = srcBounds;
+	Common::Rect destRect(pt.x, pt.y, pt.x + srcRect.width(), pt.y + srcRect.height());
+
+	if (!srcRect.isValidRect() || !clip(srcRect, destRect))
+		return;
+
+	// Add dirty area remapped to the 640x200 surface
+	addDirtyRect(Common::Rect(destRect.left * 2, destRect.top * 2, destRect.right * 2, destRect.bottom * 2));
+
+	// Transfer the area, doubling each pixel
+	for (int yp = 0; yp < srcRect.height(); ++yp) {
+		const uint16 *srcP = (const uint16 *)src.getBasePtr(srcRect.left, srcRect.top + yp);
+		uint16 *destP = (uint16 *)getBasePtr(destRect.left * 2, (destRect.top + yp) * 2);
+
+		for (int xp = srcRect.left; xp < srcRect.right; ++xp, ++srcP, destP += 2) {
+			*destP = *srcP;
+			*(destP + 1) = *srcP;
+			*(destP + 640) = *srcP;
+			*(destP + 640 + 1) = *srcP;
+		}
+	}
+}
+
+void Scalpel3DOScreen::transBlitFromUnscaled(const Graphics::Surface &src, const Common::Point &pt,
+		bool flipped, int overrideColor) {
+	error("TODO: Refactor");
+#if 0
+	if (!_vm->_isScreenDoubled) {
+		ScalpelScreen::transBlitFromUnscaled(src, pt, flipped, overrideColor);
+		return;
+	}
+
+	Common::Rect drawRect(0, 0, src.w, src.h);
+	Common::Rect destRect(pt.x, pt.y, pt.x + src.w, pt.y + src.h);
+
+	// Clip the display area to on-screen
+	if (!clip(drawRect, destRect))
+		// It's completely off-screen
+		return;
+
+	if (flipped)
+		drawRect = Common::Rect(src.w - drawRect.right, src.h - drawRect.bottom,
+		src.w - drawRect.left, src.h - drawRect.top);
+
+	Common::Point destPt(destRect.left, destRect.top);
+	addDirtyRect(Common::Rect(destPt.x * 2, destPt.y * 2, (destPt.x + drawRect.width()) * 2,
+		(destPt.y + drawRect.height()) * 2));
+
+	assert(src.format.bytesPerPixel == 2 && _surface.format.bytesPerPixel == 2);
+
+	for (int yp = 0; yp < drawRect.height(); ++yp) {
+		const uint16 *srcP = (const uint16 *)src.getBasePtr(
+			flipped ? drawRect.right - 1 : drawRect.left, drawRect.top + yp);
+		uint16 *destP = (uint16 *)getBasePtr(destPt.x * 2, (destPt.y + yp) * 2);
+
+		for (int xp = 0; xp < drawRect.width(); ++xp, destP += 2) {
+			// RGB 0, 0, 0 -> transparent on 3DO
+			if (*srcP) {
+				*destP = *srcP;
+				*(destP + 1) = *srcP;
+				*(destP + 640) = *srcP;
+				*(destP + 640 + 1) = *srcP;
+			}
+
+			srcP = flipped ? srcP - 1 : srcP + 1;
+		}
+	}
+#endif
+}
+
+void Scalpel3DOScreen::fillRect(const Common::Rect &r, uint color) {
+	if (_vm->_isScreenDoubled)
+		ScalpelScreen::fillRect(Common::Rect(r.left * 2, r.top * 2, r.right * 2, r.bottom * 2), color);
+	else
+		ScalpelScreen::fillRect(r, color);
+}
+
+void Scalpel3DOScreen::fadeIntoScreen3DO(int speed) {
+	Events &events = *_vm->_events;
+	uint16 *currentScreenBasePtr = (uint16 *)getPixels();
+	uint16 *targetScreenBasePtr = (uint16 *)_backBuffer->getPixels();
+	uint16  currentScreenPixel = 0;
+	uint16  targetScreenPixel = 0;
+
+	uint16  currentScreenPixelRed = 0;
+	uint16  currentScreenPixelGreen = 0;
+	uint16  currentScreenPixelBlue = 0;
+
+	uint16  targetScreenPixelRed = 0;
+	uint16  targetScreenPixelGreen = 0;
+	uint16  targetScreenPixelBlue = 0;
+
+	uint16  screenWidth = SHERLOCK_SCREEN_WIDTH;
+	uint16  screenHeight = SHERLOCK_SCREEN_HEIGHT;
+	uint16  screenX = 0;
+	uint16  screenY = 0;
+	uint16  pixelsChanged = 0;
+
+	clearDirtyRects();
+
+	do {
+		pixelsChanged = 0;
+		uint16 *currentScreenPtr = currentScreenBasePtr;
+		uint16 *targetScreenPtr = targetScreenBasePtr;
+
+		for (screenY = 0; screenY < screenHeight; screenY++) {
+			for (screenX = 0; screenX < screenWidth; screenX++) {
+				currentScreenPixel = *currentScreenPtr;
+				targetScreenPixel = *targetScreenPtr;
+
+				if (currentScreenPixel != targetScreenPixel) {
+					// pixel doesn't match, adjust accordingly
+					currentScreenPixelRed = currentScreenPixel & 0xF800;
+					currentScreenPixelGreen = currentScreenPixel & 0x07E0;
+					currentScreenPixelBlue = currentScreenPixel & 0x001F;
+					targetScreenPixelRed = targetScreenPixel & 0xF800;
+					targetScreenPixelGreen = targetScreenPixel & 0x07E0;
+					targetScreenPixelBlue = targetScreenPixel & 0x001F;
+
+					if (currentScreenPixelRed != targetScreenPixelRed) {
+						if (currentScreenPixelRed < targetScreenPixelRed) {
+							currentScreenPixelRed += 0x0800;
+						} else {
+							currentScreenPixelRed -= 0x0800;
+						}
+					}
+					if (currentScreenPixelGreen != targetScreenPixelGreen) {
+						// Adjust +2/-2 because we are running RGB555 at RGB565
+						if (currentScreenPixelGreen < targetScreenPixelGreen) {
+							currentScreenPixelGreen += 0x0040;
+						} else {
+							currentScreenPixelGreen -= 0x0040;
+						}
+					}
+					if (currentScreenPixelBlue != targetScreenPixelBlue) {
+						if (currentScreenPixelBlue < targetScreenPixelBlue) {
+							currentScreenPixelBlue += 0x0001;
+						} else {
+							currentScreenPixelBlue -= 0x0001;
+						}
+					}
+
+					uint16 v = currentScreenPixelRed | currentScreenPixelGreen | currentScreenPixelBlue;
+					*currentScreenPtr = v;
+					if (_vm->_isScreenDoubled) {
+						*(currentScreenPtr + 1) = v;
+						*(currentScreenPtr + 640) = v;
+						*(currentScreenPtr + 640 + 1) = v;
+					}
+
+					pixelsChanged++;
+				}
+
+				currentScreenPtr += _vm->_isScreenDoubled ? 2 : 1;
+				targetScreenPtr++;
+			}
+
+			if (_vm->_isScreenDoubled)
+				currentScreenPtr += 640;
+		}
+
+		// Too much considered dirty at the moment
+		if (_vm->_isScreenDoubled)
+			addDirtyRect(Common::Rect(0, 0, screenWidth * 2, screenHeight * 2));
+		else
+			addDirtyRect(Common::Rect(0, 0, screenWidth, screenHeight));
+
+		events.pollEvents();
+		events.delay(10 * speed);
+	} while ((pixelsChanged) && (!_vm->shouldQuit()));
+}
+
+void Scalpel3DOScreen::blitFrom3DOcolorLimit(uint16 limitColor) {
+	uint16 *currentScreenPtr = (uint16 *)getPixels();
+	uint16 *targetScreenPtr = (uint16 *)_backBuffer->getPixels();
+	uint16  currentScreenPixel = 0;
+
+	uint16  screenWidth = SHERLOCK_SCREEN_WIDTH;
+	uint16  screenHeight = SHERLOCK_SCREEN_HEIGHT;
+	uint16  screenX = 0;
+	uint16  screenY = 0;
+
+	uint16  currentScreenPixelRed = 0;
+	uint16  currentScreenPixelGreen = 0;
+	uint16  currentScreenPixelBlue = 0;
+
+	uint16  limitPixelRed = limitColor & 0xF800;
+	uint16  limitPixelGreen = limitColor & 0x07E0;
+	uint16  limitPixelBlue = limitColor & 0x001F;
+
+	for (screenY = 0; screenY < screenHeight; screenY++) {
+		for (screenX = 0; screenX < screenWidth; screenX++) {
+			currentScreenPixel = *targetScreenPtr;
+
+			currentScreenPixelRed = currentScreenPixel & 0xF800;
+			currentScreenPixelGreen = currentScreenPixel & 0x07E0;
+			currentScreenPixelBlue = currentScreenPixel & 0x001F;
+
+			if (currentScreenPixelRed < limitPixelRed)
+				currentScreenPixelRed = limitPixelRed;
+			if (currentScreenPixelGreen < limitPixelGreen)
+				currentScreenPixelGreen = limitPixelGreen;
+			if (currentScreenPixelBlue < limitPixelBlue)
+				currentScreenPixelBlue = limitPixelBlue;
+
+			uint16 v = currentScreenPixelRed | currentScreenPixelGreen | currentScreenPixelBlue;
+			*currentScreenPtr = v;
+			if (_vm->_isScreenDoubled) {
+				*(currentScreenPtr + 1) = v;
+				*(currentScreenPtr + 640) = v;
+				*(currentScreenPtr + 640 + 1) = v;
+			}
+
+			currentScreenPtr += _vm->_isScreenDoubled ? 2 : 1;
+			targetScreenPtr++;
+		}
+
+		if (_vm->_isScreenDoubled)
+			currentScreenPtr += 640;
+	}
+
+	// Too much considered dirty at the moment
+	if (_vm->_isScreenDoubled)
+		addDirtyRect(Common::Rect(0, 0, screenWidth * 2, screenHeight * 2));
+	else
+		addDirtyRect(Common::Rect(0, 0, screenWidth, screenHeight));
+}
+
+uint16 Scalpel3DOScreen::width() const {
+	return _vm->_isScreenDoubled ? this->w / 2 : this->w;
+}
+
+uint16 Scalpel3DOScreen::height() const {
+	return _vm->_isScreenDoubled ? this->h / 2 : this->h;
+}
+
+void Scalpel3DOScreen::rawBlitFrom(const Graphics::Surface &src, const Common::Point &pt) {
+	Common::Rect srcRect(0, 0, src.w, src.h);
+	Common::Rect destRect(pt.x, pt.y, pt.x + src.w, pt.y + src.h);
+
+	addDirtyRect(destRect);
+	copyRectToSurface(src, destRect.left, destRect.top, srcRect);
+}
+
+} // End of namespace Scalpel
+
+} // End of namespace Sherlock
diff --git a/engines/sherlock/scalpel/3do/scalpel_3do_screen.h b/engines/sherlock/scalpel/3do/scalpel_3do_screen.h
new file mode 100644
index 0000000000..422f588b17
--- /dev/null
+++ b/engines/sherlock/scalpel/3do/scalpel_3do_screen.h
@@ -0,0 +1,76 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef SHERLOCK_SCALPEL_3DO_SCREEN_H
+#define SHERLOCK_SCALPEL_3DO_SCREEN_H
+
+#include "sherlock/scalpel/scalpel_screen.h"
+
+namespace Sherlock {
+
+class SherlockEngine;
+
+namespace Scalpel {
+
+class Scalpel3DOScreen : public ScalpelScreen {
+protected:
+	/**
+	 * Draws a sub-section of a surface at a given position within this surface
+	 * Overriden for the 3DO to automatically double the size of everything to the underlying 640x400 surface
+	 */
+	virtual void SHblitFrom(const Graphics::Surface &src, const Common::Point &pt, const Common::Rect &srcBounds);
+
+	/**
+	 * Draws a surface at a given position within this surface with transparency
+	 */
+	virtual void transBlitFromUnscaled(const Graphics::Surface &src, const Common::Point &pt, bool flipped, 
+		int overrideColor);
+public:
+	Scalpel3DOScreen(SherlockEngine *vm);
+	virtual ~Scalpel3DOScreen() {}
+
+	/**
+	 * Draws a sub-section of a surface at a given position within this surface
+	 */
+	void rawBlitFrom(const Graphics::Surface &src, const Common::Point &pt);
+
+	/**
+	 * Fade backbuffer 1 into screen (3DO RGB!)
+	 */
+	void fadeIntoScreen3DO(int speed);
+
+	void blitFrom3DOcolorLimit(uint16 color);
+
+	/**
+	 * Fill a given area of the surface with a given color
+	 */
+	virtual void fillRect(const Common::Rect &r, uint color);
+
+	virtual uint16 width() const;
+	virtual uint16 height() const;
+};
+
+} // End of namespace Scalpel
+
+} // End of namespace Sherlock
+
+#endif
diff --git a/engines/sherlock/scalpel/scalpel.cpp b/engines/sherlock/scalpel/scalpel.cpp
index b17f38b218..cbb202095f 100644
--- a/engines/sherlock/scalpel/scalpel.cpp
+++ b/engines/sherlock/scalpel/scalpel.cpp
@@ -29,6 +29,7 @@
 #include "sherlock/scalpel/scalpel_people.h"
 #include "sherlock/scalpel/scalpel_scene.h"
 #include "sherlock/scalpel/scalpel_screen.h"
+#include "sherlock/scalpel/3do/scalpel_3do_screen.h"
 #include "sherlock/scalpel/tsage/logo.h"
 #include "sherlock/sherlock.h"
 #include "sherlock/music.h"
@@ -371,8 +372,8 @@ bool ScalpelEngine::showCityCutscene() {
 
 	if (finished) {
 		ImageFile titleImages_LondonNovember("title2.vgs", true);
-		_screen->_backBuffer1.blitFrom(*_screen);
-		_screen->_backBuffer2.blitFrom(*_screen);
+		_screen->_backBuffer1.SHblitFrom(*_screen);
+		_screen->_backBuffer2.SHblitFrom(*_screen);
 
 		Common::Point londonPosition;
 
@@ -386,19 +387,19 @@ bool ScalpelEngine::showCityCutscene() {
 		}
 
 		// London, England
-		_screen->_backBuffer1.transBlitFrom(titleImages_LondonNovember[0], londonPosition);
+		_screen->_backBuffer1.SHtransBlitFrom(titleImages_LondonNovember[0], londonPosition);
 		_screen->randomTransition();
 		finished = _events->delay(1000, true);
 
 		// November, 1888
 		if (finished) {
-			_screen->_backBuffer1.transBlitFrom(titleImages_LondonNovember[1], Common::Point(100, 100));
+			_screen->_backBuffer1.SHtransBlitFrom(titleImages_LondonNovember[1], Common::Point(100, 100));
 			_screen->randomTransition();
 			finished = _events->delay(5000, true);
 		}
 
 		// Transition out the title
-		_screen->_backBuffer1.blitFrom(_screen->_backBuffer2);
+		_screen->_backBuffer1.SHblitFrom(_screen->_backBuffer2);
 		_screen->randomTransition();
 	}
 
@@ -407,8 +408,8 @@ bool ScalpelEngine::showCityCutscene() {
 
 	if (finished) {
 		ImageFile titleImages_SherlockHolmesTitle("title.vgs", true);
-		_screen->_backBuffer1.blitFrom(*_screen);
-		_screen->_backBuffer2.blitFrom(*_screen);
+		_screen->_backBuffer1.SHblitFrom(*_screen);
+		_screen->_backBuffer2.SHblitFrom(*_screen);
 
 		Common::Point lostFilesPosition;
 		Common::Point sherlockHolmesPosition;
@@ -427,17 +428,17 @@ bool ScalpelEngine::showCityCutscene() {
 		}
 
 		// The Lost Files of
-		_screen->_backBuffer1.transBlitFrom(titleImages_SherlockHolmesTitle[0], lostFilesPosition);
+		_screen->_backBuffer1.SHtransBlitFrom(titleImages_SherlockHolmesTitle[0], lostFilesPosition);
 		// Sherlock Holmes
-		_screen->_backBuffer1.transBlitFrom(titleImages_SherlockHolmesTitle[1], sherlockHolmesPosition);
+		_screen->_backBuffer1.SHtransBlitFrom(titleImages_SherlockHolmesTitle[1], sherlockHolmesPosition);
 		// copyright
-		_screen->_backBuffer1.transBlitFrom(titleImages_SherlockHolmesTitle[2], copyrightPosition);
+		_screen->_backBuffer1.SHtransBlitFrom(titleImages_SherlockHolmesTitle[2], copyrightPosition);
 
 		_screen->verticalTransition();
 		finished = _events->delay(4000, true);
 
 		if (finished) {
-			_screen->_backBuffer1.blitFrom(_screen->_backBuffer2);
+			_screen->_backBuffer1.SHblitFrom(_screen->_backBuffer2);
 			_screen->randomTransition();
 			finished = _events->delay(2000);
 		}
@@ -461,7 +462,7 @@ bool ScalpelEngine::showCityCutscene() {
 				// English, width 175, height 38
 				alleyPosition = Common::Point(72, 51);
 			}
-			_screen->transBlitFrom(titleImages_SherlockHolmesTitle[3], alleyPosition);
+			_screen->SHtransBlitFrom(titleImages_SherlockHolmesTitle[3], alleyPosition);
 			_screen->fadeIn(palette, 3);
 
 			// Wait until the track got looped and the first few notes were played
@@ -537,7 +538,7 @@ bool ScalpelEngine::showAlleyCutscene() {
 			earlyTheFollowingMorningPosition = Common::Point(35, 52);
 		}
 
-		_screen->transBlitFrom(titleImages_EarlyTheFollowingMorning[0], earlyTheFollowingMorningPosition);
+		_screen->SHtransBlitFrom(titleImages_EarlyTheFollowingMorning[0], earlyTheFollowingMorningPosition);
 
 		// fast fade-in
 		_screen->fadeIn(palette, 1);
@@ -641,23 +642,23 @@ bool ScalpelEngine::scrollCredits() {
 	delete stream;
 
 	// Save a copy of the screen background for use in drawing each credit frame
-	_screen->_backBuffer1.blitFrom(*_screen);
+	_screen->_backBuffer1.SHblitFrom(*_screen);
 
 	// Loop for showing the credits
 	for(int idx = 0; idx < 600 && !_events->kbHit() && !shouldQuit(); ++idx) {
 		// Copy the entire screen background before writing text
-		_screen->blitFrom(_screen->_backBuffer1);
+		_screen->SHblitFrom(_screen->_backBuffer1);
 
 		// Write the text appropriate for the next frame
 		if (idx < 400)
-			_screen->transBlitFrom(creditsImages[0], Common::Point(10, 200 - idx), false, 0);
+			_screen->SHtransBlitFrom(creditsImages[0], Common::Point(10, 200 - idx), false, 0);
 		if (idx > 200)
-			_screen->transBlitFrom(creditsImages[1], Common::Point(10, 400 - idx), false, 0);
+			_screen->SHtransBlitFrom(creditsImages[1], Common::Point(10, 400 - idx), false, 0);
 
 		// Don't show credit text on the top and bottom ten rows of the screen
-		_screen->blitFrom(_screen->_backBuffer1, Common::Point(0, 0), Common::Rect(0, 0, _screen->w(), 10));
-		_screen->blitFrom(_screen->_backBuffer1, Common::Point(0, _screen->h() - 10),
-			Common::Rect(0, _screen->h() - 10, _screen->w(), _screen->h()));
+		_screen->SHblitFrom(_screen->_backBuffer1, Common::Point(0, 0), Common::Rect(0, 0, _screen->width(), 10));
+		_screen->SHblitFrom(_screen->_backBuffer1, Common::Point(0, _screen->height() - 10),
+			Common::Rect(0, _screen->height() - 10, _screen->width(), _screen->height()));
 
 		_events->delay(100);
 	}
@@ -670,7 +671,7 @@ bool ScalpelEngine::show3DOSplash() {
 	// 3DO EA Splash screen
 	ImageFile3DO titleImage_3DOSplash("3DOSplash.cel", kImageFile3DOType_Cel);
 
-	_screen->transBlitFrom(titleImage_3DOSplash[0]._frame, Common::Point(0, -20));
+	_screen->SHtransBlitFrom(titleImage_3DOSplash[0]._frame, Common::Point(0, -20));
 	bool finished = _events->delay(3000, true);
 
 	if (finished) {
@@ -706,7 +707,7 @@ bool ScalpelEngine::showCityCutscene3DO() {
 		_sound->playAiff("prologue/sounds/rain.aiff", 15, true);
 
 		// Fade screen to grey
-		screen._backBuffer1.fill(0xCE59); // RGB565: 25, 50, 25 (grey)
+		screen._backBuffer1.clear(0xCE59); // RGB565: 25, 50, 25 (grey)
 		screen.fadeIntoScreen3DO(2);
 	}
 
@@ -715,16 +716,16 @@ bool ScalpelEngine::showCityCutscene3DO() {
 	}
 
 	if (finished) {
-		screen._backBuffer1.fill(0); // fill backbuffer with black to avoid issues during fade from white
+		screen._backBuffer1.clear(0); // fill backbuffer with black to avoid issues during fade from white
 		finished = _animation->play3DO("26open1", true, 1, true, 2);
 	}
 
 	if (finished) {
-		screen._backBuffer2.blitFrom(screen._backBuffer1);
+		screen._backBuffer2.SHblitFrom(screen._backBuffer1);
 
 		// "London, England"
 		ImageFile3DO titleImage_London("title2a.cel", kImageFile3DOType_Cel);
-		screen._backBuffer1.transBlitFrom(titleImage_London[0]._frame, Common::Point(30, 50));
+		screen._backBuffer1.SHtransBlitFrom(titleImage_London[0]._frame, Common::Point(30, 50));
 
 		screen.fadeIntoScreen3DO(1);
 		finished = _events->delay(1500, true);
@@ -732,7 +733,7 @@ bool ScalpelEngine::showCityCutscene3DO() {
 		if (finished) {
 			// "November, 1888"
 			ImageFile3DO titleImage_November("title2b.cel", kImageFile3DOType_Cel);
-			screen._backBuffer1.transBlitFrom(titleImage_November[0]._frame, Common::Point(100, 100));
+			screen._backBuffer1.SHtransBlitFrom(titleImage_November[0]._frame, Common::Point(100, 100));
 
 			screen.fadeIntoScreen3DO(1);
 			finished = _music->waitUntilMSec(14700, 0, 0, 5000);
@@ -740,8 +741,8 @@ bool ScalpelEngine::showCityCutscene3DO() {
 
 		if (finished) {
 			// Restore screen
-			_screen->_backBuffer1.blitFrom(screen._backBuffer2);
-			_screen->blitFrom(screen._backBuffer1);
+			_screen->_backBuffer1.SHblitFrom(screen._backBuffer2);
+			_screen->SHblitFrom(screen._backBuffer1);
 		}
 	}
 
@@ -751,7 +752,7 @@ bool ScalpelEngine::showCityCutscene3DO() {
 	if (finished) {
 		// "Sherlock Holmes" (title)
 		ImageFile3DO titleImage_SherlockHolmesTitle("title1ab.cel", kImageFile3DOType_Cel);
-		screen._backBuffer1.transBlitFrom(titleImage_SherlockHolmesTitle[0]._frame, Common::Point(34, 5));
+		screen._backBuffer1.SHtransBlitFrom(titleImage_SherlockHolmesTitle[0]._frame, Common::Point(34, 5));
 
 		// Blend in
 		screen.fadeIntoScreen3DO(2);
@@ -761,7 +762,7 @@ bool ScalpelEngine::showCityCutscene3DO() {
 		if (finished) {
 			ImageFile3DO titleImage_Copyright("title1c.cel", kImageFile3DOType_Cel);
 
-			screen.transBlitFrom(titleImage_Copyright[0]._frame, Common::Point(20, 190));
+			screen.SHtransBlitFrom(titleImage_Copyright[0]._frame, Common::Point(20, 190));
 			finished = _events->delay(3500, true);
 		}
 	}
@@ -780,7 +781,7 @@ bool ScalpelEngine::showCityCutscene3DO() {
 	if (finished) {
 		// "In the alley behind the Regency Theatre..."
 		ImageFile3DO titleImage_InTheAlley("title1d.cel", kImageFile3DOType_Cel);
-		screen._backBuffer1.transBlitFrom(titleImage_InTheAlley[0]._frame, Common::Point(72, 51));
+		screen._backBuffer1.SHtransBlitFrom(titleImage_InTheAlley[0]._frame, Common::Point(72, 51));
 
 		// Fade in
 		screen.fadeIntoScreen3DO(4);
@@ -819,7 +820,7 @@ bool ScalpelEngine::showAlleyCutscene3DO() {
 		ImageFile3DO titleImage_ScreamingVictim("scream.cel", kImageFile3DOType_Cel);
 
 		screen.clear();
-		screen.transBlitFrom(titleImage_ScreamingVictim[0]._frame, Common::Point(0, 0));
+		screen.SHtransBlitFrom(titleImage_ScreamingVictim[0]._frame, Common::Point(0, 0));
 
 		// Play "scream.aiff"
 		if (_sound->_voices)
@@ -848,7 +849,7 @@ bool ScalpelEngine::showAlleyCutscene3DO() {
 	if (finished) {
 		// "Early the following morning on Baker Street..."
 		ImageFile3DO titleImage_EarlyTheFollowingMorning("title3.cel", kImageFile3DOType_Cel);
-		screen._backBuffer1.transBlitFrom(titleImage_EarlyTheFollowingMorning[0]._frame, Common::Point(35, 51));
+		screen._backBuffer1.SHtransBlitFrom(titleImage_EarlyTheFollowingMorning[0]._frame, Common::Point(35, 51));
 
 		// Fade in
 		screen.fadeIntoScreen3DO(4);
@@ -908,7 +909,7 @@ bool ScalpelEngine::showOfficeCutscene3DO() {
 		ImageFile3DO titleImage_CoffeeNote("note.cel", kImageFile3DOType_Cel);
 
 		_screen->clear();
-		_screen->transBlitFrom(titleImage_CoffeeNote[0]._frame, Common::Point(0, 0));
+		_screen->SHtransBlitFrom(titleImage_CoffeeNote[0]._frame, Common::Point(0, 0));
 
 		if (_sound->_voices) {
 			finished = _sound->playSound("prologue/sounds/note.aiff", WAIT_KBD_OR_FINISH);
@@ -937,7 +938,7 @@ bool ScalpelEngine::showOfficeCutscene3DO() {
 		// TODO: Brighten the image, possibly by doing a partial fade
 		// to white.
 
-		_screen->_backBuffer2.blitFrom(_screen->_backBuffer1);
+		_screen->_backBuffer2.SHblitFrom(_screen->_backBuffer1);
 
 		for (int nr = 1; finished && nr <= 4; nr++) {
 			char filename[15];
@@ -945,8 +946,8 @@ bool ScalpelEngine::showOfficeCutscene3DO() {
 			ImageFile3DO *creditsImage = new ImageFile3DO(filename, kImageFile3DOType_Cel);
 			ImageFrame *creditsFrame = &(*creditsImage)[0];
 			for (int i = 0; finished && i < 200 + creditsFrame->_height; i++) {
-				_screen->blitFrom(_screen->_backBuffer2);
-				_screen->transBlitFrom(creditsFrame->_frame, Common::Point((320 - creditsFrame->_width) / 2, 200 - i));
+				_screen->SHblitFrom(_screen->_backBuffer2);
+				_screen->SHtransBlitFrom(creditsFrame->_frame, Common::Point((320 - creditsFrame->_width) / 2, 200 - i));
 				if (!_events->delay(70, true))
 					finished = false;
 			}
@@ -998,7 +999,7 @@ void ScalpelEngine::showLBV(const Common::String &filename) {
 	delete stream;
 
 	_screen->setPalette(images._palette);
-	_screen->_backBuffer1.blitFrom(images[0]);
+	_screen->_backBuffer1.SHblitFrom(images[0]);
 	_screen->verticalTransition();
 }
 
@@ -1156,7 +1157,7 @@ void ScalpelEngine::eraseBrumwellMirror() {
 
 	// If player is in range of the mirror, then restore background from the secondary back buffer
 	if (Common::Rect(70, 100, 200, 200).contains(pt)) {
-		_screen->_backBuffer1.blitFrom(_screen->_backBuffer2, Common::Point(137, 18),
+		_screen->_backBuffer1.SHblitFrom(_screen->_backBuffer2, Common::Point(137, 18),
 			Common::Rect(137, 18, 184, 74));
 	}
 }
@@ -1218,20 +1219,20 @@ void ScalpelEngine::doBrumwellMirror() {
 		bool flipped = people[HOLMES]._sequenceNumber == WALK_LEFT || people[HOLMES]._sequenceNumber == STOP_LEFT
 			|| people[HOLMES]._sequenceNumber == WALK_UPRIGHT || people[HOLMES]._sequenceNumber == STOP_UPRIGHT
 			|| people[HOLMES]._sequenceNumber == WALK_DOWNLEFT || people[HOLMES]._sequenceNumber == STOP_DOWNLEFT;
-		_screen->_backBuffer1.transBlitFrom(imageFrame, pt + Common::Point(38, -imageFrame._frame.h - 25), flipped);
+		_screen->_backBuffer1.SHtransBlitFrom(imageFrame, pt + Common::Point(38, -imageFrame._frame.h - 25), flipped);
 
 		// Redraw the mirror borders to prevent the drawn image of Holmes from appearing outside of the mirror
-		_screen->_backBuffer1.blitFrom(_screen->_backBuffer2, Common::Point(114, 18),
+		_screen->_backBuffer1.SHblitFrom(_screen->_backBuffer2, Common::Point(114, 18),
 			Common::Rect(114, 18, 137, 114));
-		_screen->_backBuffer1.blitFrom(_screen->_backBuffer2, Common::Point(137, 70),
+		_screen->_backBuffer1.SHblitFrom(_screen->_backBuffer2, Common::Point(137, 70),
 			Common::Rect(137, 70, 142, 114));
-		_screen->_backBuffer1.blitFrom(_screen->_backBuffer2, Common::Point(142, 71),
+		_screen->_backBuffer1.SHblitFrom(_screen->_backBuffer2, Common::Point(142, 71),
 			Common::Rect(142, 71, 159, 114));
-		_screen->_backBuffer1.blitFrom(_screen->_backBuffer2, Common::Point(159, 72),
+		_screen->_backBuffer1.SHblitFrom(_screen->_backBuffer2, Common::Point(159, 72),
 			Common::Rect(159, 72, 170, 116));
-		_screen->_backBuffer1.blitFrom(_screen->_backBuffer2, Common::Point(170, 73),
+		_screen->_backBuffer1.SHblitFrom(_screen->_backBuffer2, Common::Point(170, 73),
 			Common::Rect(170, 73, 184, 114));
-		_screen->_backBuffer1.blitFrom(_screen->_backBuffer2, Common::Point(184, 18),
+		_screen->_backBuffer1.SHblitFrom(_screen->_backBuffer2, Common::Point(184, 18),
 			Common::Rect(184, 18, 212, 114));
 	}
 }
@@ -1272,7 +1273,7 @@ void ScalpelEngine::showScummVMRestoreDialog() {
 bool ScalpelEngine::play3doMovie(const Common::String &filename, const Common::Point &pos, bool isPortrait) {
 	Scalpel3DOScreen &screen = *(Scalpel3DOScreen *)_screen;
 	Scalpel3DOMovieDecoder *videoDecoder = new Scalpel3DOMovieDecoder();
-	Graphics::Surface tempSurface;
+	Graphics::ManagedSurface tempSurface;
 
 	Common::Point framePos(pos.x, pos.y);
 	ImageFile3DO *frameImageFile = nullptr;
@@ -1307,7 +1308,7 @@ bool ScalpelEngine::play3doMovie(const Common::String &filename, const Common::P
 
 	// If we're to show the movie at half-size, we'll need a temporary intermediate surface
 	if (halfSize)
-		tempSurface.create(width / 2, height / 2, _screen->getPixelFormat());
+		tempSurface.create(width / 2, height / 2);
 
 	while (!shouldQuit() && !videoDecoder->endOfVideo() && !skipVideo) {
 		if (videoDecoder->needsUpdate()) {
@@ -1371,19 +1372,19 @@ bool ScalpelEngine::play3doMovie(const Common::String &filename, const Common::P
 					}
 
 					// Point the drawing frame to the temporary surface
-					frame = &tempSurface;
+					frame = &tempSurface.rawSurface();
 				}
 
 				if (isPortrait && !frameShown) {
 					// Draw the frame (not the frame of the video, but a frame around the video) itself
-					_screen->transBlitFrom(frameImage->_frame, framePos);
+					_screen->SHtransBlitFrom(frameImage->_frame, framePos);
 					frameShown = true;
 				}
 
 				if (isPortrait && !halfSize) {
 					screen.rawBlitFrom(*frame, Common::Point(pos.x * 2, pos.y * 2));
 				} else {
-					_screen->blitFrom(*frame, pos);
+					_screen->SHblitFrom(*frame, pos);
 				}
 
 				_screen->update();
@@ -1413,9 +1414,9 @@ bool ScalpelEngine::play3doMovie(const Common::String &filename, const Common::P
 	}
 
 	// Restore scene
-	screen._backBuffer1.blitFrom(screen._backBuffer2);
+	screen._backBuffer1.SHblitFrom(screen._backBuffer2);
 	_scene->updateBackground();
-	screen.slamArea(0, 0, screen.w(), CONTROLS_Y);
+	screen.slamArea(0, 0, screen.width(), CONTROLS_Y);
 
 	return !skipVideo;
 }
diff --git a/engines/sherlock/scalpel/scalpel_darts.cpp b/engines/sherlock/scalpel/scalpel_darts.cpp
index 87f4566837..c5ba8032f3 100644
--- a/engines/sherlock/scalpel/scalpel_darts.cpp
+++ b/engines/sherlock/scalpel/scalpel_darts.cpp
@@ -102,7 +102,7 @@ void Darts::playDarts() {
 			score -= lastDart;
 			_roundScore += lastDart;
 
-			screen._backBuffer1.blitFrom(screen._backBuffer2, Common::Point(DART_INFO_X, DART_INFO_Y - 1),
+			screen._backBuffer1.SHblitFrom(screen._backBuffer2, Common::Point(DART_INFO_X, DART_INFO_Y - 1),
 				Common::Rect(DART_INFO_X, DART_INFO_Y - 1, SHERLOCK_SCREEN_WIDTH, SHERLOCK_SCREEN_HEIGHT));
 			screen.print(Common::Point(DART_INFO_X, DART_INFO_Y), DART_COL_FORE, "Dart # %d", idx + 1);
 			screen.print(Common::Point(DART_INFO_X, DART_INFO_Y + 10), DART_COL_FORE, "Scored %d points", lastDart);
@@ -154,7 +154,7 @@ void Darts::playDarts() {
 				events.wait(20);
 			}
 
-			screen._backBuffer1.blitFrom(screen._backBuffer2, Common::Point(DART_INFO_X, DART_INFO_Y - 1),
+			screen._backBuffer1.SHblitFrom(screen._backBuffer2, Common::Point(DART_INFO_X, DART_INFO_Y - 1),
 				Common::Rect(DART_INFO_X, DART_INFO_Y - 1, SHERLOCK_SCREEN_WIDTH, SHERLOCK_SCREEN_HEIGHT));
 			screen.slamArea(0, 0, SHERLOCK_SCREEN_WIDTH, SHERLOCK_SCREEN_HEIGHT);
 		}
@@ -166,8 +166,8 @@ void Darts::playDarts() {
 		done |= _vm->shouldQuit();
 
 		if (!done) {
-			screen._backBuffer2.blitFrom((*_dartImages)[0], Common::Point(0, 0));
-			screen._backBuffer1.blitFrom(screen._backBuffer2);
+			screen._backBuffer2.SHblitFrom((*_dartImages)[0], Common::Point(0, 0));
+			screen._backBuffer1.SHblitFrom(screen._backBuffer2);
 			screen.slamArea(0, 0, SHERLOCK_SCREEN_WIDTH, SHERLOCK_SCREEN_HEIGHT);
 		}
 	} while (!done);
@@ -185,7 +185,7 @@ void Darts::loadDarts() {
 	_dartImages = new ImageFile("darts.vgs");
 	screen.setPalette(_dartImages->_palette);
 
-	screen._backBuffer1.blitFrom((*_dartImages)[0], Common::Point(0, 0));
+	screen._backBuffer1.SHblitFrom((*_dartImages)[0], Common::Point(0, 0));
 	screen.slamArea(0, 0, SHERLOCK_SCREEN_WIDTH, SHERLOCK_SCREEN_HEIGHT);
 }
 
@@ -245,7 +245,7 @@ void Darts::showNames(int playerNum) {
 	screen.slamArea(STATUS_INFO_X + 50, STATUS_INFO_Y + 10, 81, 12);
 
 	// Make a copy of the back buffer to the secondary one
-	screen._backBuffer2.blitFrom(screen._backBuffer1);
+	screen._backBuffer2.SHblitFrom(screen._backBuffer1);
 }
 
 void Darts::showStatus(int playerNum) {
@@ -253,7 +253,7 @@ void Darts::showStatus(int playerNum) {
 	byte color;
 
 	// Copy scoring screen from secondary back buffer. This will erase any previously displayed status/score info
-	screen._backBuffer1.blitFrom(screen._backBuffer2, Common::Point(STATUS_INFO_X, STATUS_INFO_Y + 10),
+	screen._backBuffer1.SHblitFrom(screen._backBuffer2, Common::Point(STATUS_INFO_X, STATUS_INFO_Y + 10),
 		Common::Rect(STATUS_INFO_X, STATUS_INFO_Y + 10, SHERLOCK_SCREEN_WIDTH, STATUS_INFO_Y + 48));
 
 	color = (playerNum == 0) ? PLAYER_COLOR : DART_COL_FORE;
@@ -292,7 +292,7 @@ int Darts::throwDart(int dartNum, int computer) {
 	if (_vm->shouldQuit())
 		return 0;
 
-	screen._backBuffer1.blitFrom(screen._backBuffer2, Common::Point(DART_INFO_X, DART_INFO_Y - 1),
+	screen._backBuffer1.SHblitFrom(screen._backBuffer2, Common::Point(DART_INFO_X, DART_INFO_Y - 1),
 		Common::Rect(DART_INFO_X, DART_INFO_Y - 1, SHERLOCK_SCREEN_WIDTH, SHERLOCK_SCREEN_HEIGHT));
 	screen.slamRect(Common::Rect(DART_INFO_X, DART_INFO_Y - 1, SHERLOCK_SCREEN_WIDTH, SHERLOCK_SCREEN_HEIGHT));
 
@@ -309,9 +309,9 @@ int Darts::throwDart(int dartNum, int computer) {
 
 	// Copy the bars to the secondary back buffer so that they remain fixed at their selected values
 	// whilst the dart is being animated at being thrown at the board
-	screen._backBuffer2.blitFrom(screen._backBuffer1, Common::Point(DARTBARHX - 1, DARTHORIZY - 1),
+	screen._backBuffer2.SHblitFrom(screen._backBuffer1, Common::Point(DARTBARHX - 1, DARTHORIZY - 1),
 		Common::Rect(DARTBARHX - 1, DARTHORIZY - 1, DARTBARHX + DARTBARSIZE + 3, DARTHORIZY + 10));
-	screen._backBuffer2.blitFrom(screen._backBuffer1, Common::Point(DARTBARVX - 1, DARTHEIGHTY - 1),
+	screen._backBuffer2.SHblitFrom(screen._backBuffer1, Common::Point(DARTBARVX - 1, DARTHEIGHTY - 1),
 		Common::Rect(DARTBARVX - 1, DARTHEIGHTY - 1, DARTBARVX + 11, DARTHEIGHTY + DARTBARSIZE + 3));
 
 	// Convert height and width to relative range of -50 to 50, where 0,0 is the exact centre of the board
@@ -344,7 +344,7 @@ void Darts::drawDartThrow(const Common::Point &pt) {
 
 		// Draw the dart
 		Common::Point drawPos(pos.x - frame._width / 2, pos.y - frame._height);
-		screen._backBuffer1.transBlitFrom(frame, drawPos);
+		screen._backBuffer1.SHtransBlitFrom(frame, drawPos);
 		screen.slamArea(drawPos.x, drawPos.y, frame._width, frame._height);
 
 		// Handle erasing old dart frame area
@@ -352,14 +352,14 @@ void Darts::drawDartThrow(const Common::Point &pt) {
 			screen.slamRect(oldDrawBounds);
 
 		oldDrawBounds = Common::Rect(drawPos.x, drawPos.y, drawPos.x + frame._width, drawPos.y + frame._height);
-		screen._backBuffer1.blitFrom(screen._backBuffer2, drawPos, oldDrawBounds);
+		screen._backBuffer1.SHblitFrom(screen._backBuffer2, drawPos, oldDrawBounds);
 
 		events.wait(2);
 	}
 
 	// Draw dart in final "stuck to board" form
-	screen._backBuffer1.transBlitFrom((*_dartImages)[22], Common::Point(oldDrawBounds.left, oldDrawBounds.top));
-	screen._backBuffer2.transBlitFrom((*_dartImages)[22], Common::Point(oldDrawBounds.left, oldDrawBounds.top));
+	screen._backBuffer1.SHtransBlitFrom((*_dartImages)[22], Common::Point(oldDrawBounds.left, oldDrawBounds.top));
+	screen._backBuffer2.SHtransBlitFrom((*_dartImages)[22], Common::Point(oldDrawBounds.left, oldDrawBounds.top));
 	screen.slamRect(oldDrawBounds);
 }
 
@@ -368,8 +368,8 @@ void Darts::erasePowerBars() {
 
 	screen._backBuffer1.fillRect(Common::Rect(DARTBARHX, DARTHORIZY, DARTBARHX + DARTBARSIZE, DARTHORIZY + 10), BLACK);
 	screen._backBuffer1.fillRect(Common::Rect(DARTBARVX, DARTHEIGHTY, DARTBARVX + 10, DARTHEIGHTY + DARTBARSIZE), BLACK);
-	screen._backBuffer1.transBlitFrom((*_dartImages)[2], Common::Point(DARTBARHX - 1, DARTHORIZY - 1));
-	screen._backBuffer1.transBlitFrom((*_dartImages)[3], Common::Point(DARTBARVX - 1, DARTHEIGHTY - 1));
+	screen._backBuffer1.SHtransBlitFrom((*_dartImages)[2], Common::Point(DARTBARHX - 1, DARTHORIZY - 1));
+	screen._backBuffer1.SHtransBlitFrom((*_dartImages)[3], Common::Point(DARTBARVX - 1, DARTHEIGHTY - 1));
 	screen.slamArea(DARTBARHX - 1, DARTHORIZY - 1, DARTBARSIZE + 3, 11);
 	screen.slamArea(DARTBARVX - 1, DARTHEIGHTY - 1, 11, DARTBARSIZE + 3);
 }
@@ -398,11 +398,11 @@ int Darts::doPowerBar(const Common::Point &pt, byte color, int goToPower, bool i
 
 		if (isVertical) {
 			screen._backBuffer1.hLine(pt.x, pt.y + DARTBARSIZE - 1 - idx, pt.x + 8, color);
-			screen._backBuffer1.transBlitFrom((*_dartImages)[3], Common::Point(pt.x - 1, pt.y - 1));
+			screen._backBuffer1.SHtransBlitFrom((*_dartImages)[3], Common::Point(pt.x - 1, pt.y - 1));
 			screen.slamArea(pt.x, pt.y + DARTBARSIZE - 1 - idx, 8, 2);
 		} else {
 			screen._backBuffer1.vLine(pt.x + idx, pt.y, pt.y + 8, color);
-			screen._backBuffer1.transBlitFrom((*_dartImages)[2], Common::Point(pt.x - 1, pt.y - 1));
+			screen._backBuffer1.SHtransBlitFrom((*_dartImages)[2], Common::Point(pt.x - 1, pt.y - 1));
 			screen.slamArea(pt.x + idx, pt.y, 1, 8);
 		}
 
diff --git a/engines/sherlock/scalpel/scalpel_inventory.cpp b/engines/sherlock/scalpel/scalpel_inventory.cpp
index c3e20295fd..e8d4d3b934 100644
--- a/engines/sherlock/scalpel/scalpel_inventory.cpp
+++ b/engines/sherlock/scalpel/scalpel_inventory.cpp
@@ -201,7 +201,7 @@ void ScalpelInventory::highlight(int index, byte color) {
 	ImageFrame &frame = (*_invShapes[slot])[0];
 
 	bb.fillRect(Common::Rect(8 + slot * 52, 165, (slot + 1) * 52, 194), color);
-	bb.transBlitFrom(frame, Common::Point(6 + slot * 52 + ((47 - frame._width) / 2),
+	bb.SHtransBlitFrom(frame, Common::Point(6 + slot * 52 + ((47 - frame._width) / 2),
 		163 + ((33 - frame._height) / 2)));
 	screen.slamArea(8 + slot * 52, 165, 44, 30);
 }
@@ -217,12 +217,12 @@ void ScalpelInventory::refreshInv() {
 	ui._infoFlag = true;
 	ui.clearInfo();
 
-	screen._backBuffer2.blitFrom(screen._backBuffer1, Common::Point(0, CONTROLS_Y),
+	screen._backBuffer2.SHblitFrom(screen._backBuffer1, Common::Point(0, CONTROLS_Y),
 		Common::Rect(0, CONTROLS_Y, SHERLOCK_SCREEN_WIDTH, SHERLOCK_SCREEN_HEIGHT));
 	ui.examine();
 
 	if (!talk._talkToAbort) {
-		screen._backBuffer2.blitFrom((*ui._controlPanel)[0], Common::Point(0, CONTROLS_Y));
+		screen._backBuffer2.SHblitFrom((*ui._controlPanel)[0], Common::Point(0, CONTROLS_Y));
 		loadInv();
 	}
 }
@@ -264,7 +264,7 @@ void ScalpelInventory::putInv(InvSlamMode slamIt) {
 
 		// Draw the item image
 		ImageFrame &frame = (*_invShapes[itemNum])[0];
-		bb.transBlitFrom(frame, Common::Point(6 + itemNum * 52 + ((47 - frame._width) / 2),
+		bb.SHtransBlitFrom(frame, Common::Point(6 + itemNum * 52 + ((47 - frame._width) / 2),
 			163 + ((33 - frame._height) / 2)));
 	}
 
diff --git a/engines/sherlock/scalpel/scalpel_map.cpp b/engines/sherlock/scalpel/scalpel_map.cpp
index 0924581e38..ba14b5b300 100644
--- a/engines/sherlock/scalpel/scalpel_map.cpp
+++ b/engines/sherlock/scalpel/scalpel_map.cpp
@@ -167,13 +167,13 @@ int ScalpelMap::show() {
 	setupSprites();
 
 	if (!IS_3DO) {
-		screen._backBuffer1.blitFrom((*bigMap)[0], Common::Point(-_bigPos.x, -_bigPos.y));
-		screen._backBuffer1.blitFrom((*bigMap)[1], Common::Point(-_bigPos.x, SHERLOCK_SCREEN_HEIGHT - _bigPos.y));
-		screen._backBuffer1.blitFrom((*bigMap)[2], Common::Point(SHERLOCK_SCREEN_WIDTH - _bigPos.x, -_bigPos.y));
-		screen._backBuffer1.blitFrom((*bigMap)[3], Common::Point(SHERLOCK_SCREEN_WIDTH - _bigPos.x, SHERLOCK_SCREEN_HEIGHT - _bigPos.y));
+		screen._backBuffer1.SHblitFrom((*bigMap)[0], Common::Point(-_bigPos.x, -_bigPos.y));
+		screen._backBuffer1.SHblitFrom((*bigMap)[1], Common::Point(-_bigPos.x, SHERLOCK_SCREEN_HEIGHT - _bigPos.y));
+		screen._backBuffer1.SHblitFrom((*bigMap)[2], Common::Point(SHERLOCK_SCREEN_WIDTH - _bigPos.x, -_bigPos.y));
+		screen._backBuffer1.SHblitFrom((*bigMap)[3], Common::Point(SHERLOCK_SCREEN_WIDTH - _bigPos.x, SHERLOCK_SCREEN_HEIGHT - _bigPos.y));
 	} else {
-		screen._backBuffer1.blitFrom((*bigMap)[0], Common::Point(-_bigPos.x, -_bigPos.y));
-		screen.blitFrom((*bigMap)[0], Common::Point(-_bigPos.x, -_bigPos.y));
+		screen._backBuffer1.SHblitFrom((*bigMap)[0], Common::Point(-_bigPos.x, -_bigPos.y));
+		screen.SHblitFrom((*bigMap)[0], Common::Point(-_bigPos.x, -_bigPos.y));
 	}
 
 	_drawMap = true;
@@ -238,12 +238,12 @@ int ScalpelMap::show() {
 			changed = false;
 
 			if (!IS_3DO) {
-				screen._backBuffer1.blitFrom((*bigMap)[0], Common::Point(-_bigPos.x, -_bigPos.y));
-				screen._backBuffer1.blitFrom((*bigMap)[1], Common::Point(-_bigPos.x, SHERLOCK_SCREEN_HEIGHT - _bigPos.y));
-				screen._backBuffer1.blitFrom((*bigMap)[2], Common::Point(SHERLOCK_SCREEN_WIDTH - _bigPos.x, -_bigPos.y));
-				screen._backBuffer1.blitFrom((*bigMap)[3], Common::Point(SHERLOCK_SCREEN_WIDTH - _bigPos.x, SHERLOCK_SCREEN_HEIGHT - _bigPos.y));
+				screen._backBuffer1.SHblitFrom((*bigMap)[0], Common::Point(-_bigPos.x, -_bigPos.y));
+				screen._backBuffer1.SHblitFrom((*bigMap)[1], Common::Point(-_bigPos.x, SHERLOCK_SCREEN_HEIGHT - _bigPos.y));
+				screen._backBuffer1.SHblitFrom((*bigMap)[2], Common::Point(SHERLOCK_SCREEN_WIDTH - _bigPos.x, -_bigPos.y));
+				screen._backBuffer1.SHblitFrom((*bigMap)[3], Common::Point(SHERLOCK_SCREEN_WIDTH - _bigPos.x, SHERLOCK_SCREEN_HEIGHT - _bigPos.y));
 			} else {
-				screen._backBuffer1.blitFrom((*bigMap)[0], Common::Point(-_bigPos.x, -_bigPos.y));
+				screen._backBuffer1.SHblitFrom((*bigMap)[0], Common::Point(-_bigPos.x, -_bigPos.y));
 			}
 
 			showPlaces();
@@ -359,7 +359,6 @@ void ScalpelMap::freeSprites() {
 	delete _mapCursors;
 	delete _shapes;
 	delete _iconShapes;
-	_iconSave.free();
 }
 
 void ScalpelMap::showPlaces() {
@@ -376,7 +375,7 @@ void ScalpelMap::showPlaces() {
 			if (pt.x >= _bigPos.x && (pt.x - _bigPos.x) < SHERLOCK_SCREEN_WIDTH
 					&& pt.y >= _bigPos.y && (pt.y - _bigPos.y) < SHERLOCK_SCREEN_HEIGHT) {
 				if (_vm->readFlags(idx)) {
-					screen._backBuffer1.transBlitFrom((*_iconShapes)[pt._translate],
+					screen._backBuffer1.SHtransBlitFrom((*_iconShapes)[pt._translate],
 						Common::Point(pt.x - _bigPos.x - 6, pt.y - _bigPos.y - 12));
 				}
 			}
@@ -388,13 +387,13 @@ void ScalpelMap::showPlaces() {
 }
 
 void ScalpelMap::saveTopLine() {
-	_topLine.blitFrom(_vm->_screen->_backBuffer1, Common::Point(0, 0), Common::Rect(0, 0, SHERLOCK_SCREEN_WIDTH, 12));
+	_topLine.SHblitFrom(_vm->_screen->_backBuffer1, Common::Point(0, 0), Common::Rect(0, 0, SHERLOCK_SCREEN_WIDTH, 12));
 }
 
 void ScalpelMap::eraseTopLine() {
 	Screen &screen = *_vm->_screen;
-	screen._backBuffer1.blitFrom(_topLine, Common::Point(0, 0));
-	screen.slamArea(0, 0, SHERLOCK_SCREEN_WIDTH, _topLine.h());
+	screen._backBuffer1.SHblitFrom(_topLine, Common::Point(0, 0));
+	screen.slamArea(0, 0, SHERLOCK_SCREEN_WIDTH, _topLine.height());
 }
 
 void ScalpelMap::showPlaceName(int idx, bool highlighted) {
@@ -409,7 +408,7 @@ void ScalpelMap::showPlaceName(int idx, bool highlighted) {
 
 		bool flipped = people[HOLMES]._sequenceNumber == MAP_DOWNLEFT || people[HOLMES]._sequenceNumber == MAP_LEFT
 			|| people[HOLMES]._sequenceNumber == MAP_UPLEFT;
-		screen._backBuffer1.transBlitFrom(*people[HOLMES]._imageFrame, _lDrawnPos, flipped);
+		screen._backBuffer1.SHtransBlitFrom(*people[HOLMES]._imageFrame, _lDrawnPos, flipped);
 	}
 
 	if (highlighted) {
@@ -451,9 +450,9 @@ void ScalpelMap::updateMap(bool flushScreen) {
 	saveIcon(people[HOLMES]._imageFrame, hPos);
 	if (people[HOLMES]._sequenceNumber == MAP_DOWNLEFT || people[HOLMES]._sequenceNumber == MAP_LEFT
 			|| people[HOLMES]._sequenceNumber == MAP_UPLEFT)
-		screen._backBuffer1.transBlitFrom(*people[HOLMES]._imageFrame, hPos, true);
+		screen._backBuffer1.SHtransBlitFrom(*people[HOLMES]._imageFrame, hPos, true);
 	else
-		screen._backBuffer1.transBlitFrom(*people[HOLMES]._imageFrame, hPos, false);
+		screen._backBuffer1.SHtransBlitFrom(*people[HOLMES]._imageFrame, hPos, false);
 
 	if (flushScreen) {
 		screen.slamArea(0, 0, SHERLOCK_SCREEN_WIDTH, SHERLOCK_SCREEN_HEIGHT);
@@ -553,8 +552,8 @@ void ScalpelMap::saveIcon(ImageFrame *src, const Common::Point &pt) {
 		return;
 	}
 
-	assert(size.x <= _iconSave.w() && size.y <= _iconSave.h());
-	_iconSave.blitFrom(screen._backBuffer1, Common::Point(0, 0),
+	assert(size.x <= _iconSave.width() && size.y <= _iconSave.height());
+	_iconSave.SHblitFrom(screen._backBuffer1, Common::Point(0, 0),
 		Common::Rect(pos.x, pos.y, pos.x + size.x, pos.y + size.y));
 	_savedPos = pos;
 	_savedSize = size;
@@ -565,7 +564,7 @@ void ScalpelMap::restoreIcon() {
 
 	if (_savedPos.x >= 0 && _savedPos.y >= 0 && _savedPos.x <= SHERLOCK_SCREEN_WIDTH
 			&& _savedPos.y < SHERLOCK_SCREEN_HEIGHT)
-		screen._backBuffer1.blitFrom(_iconSave, _savedPos, Common::Rect(0, 0, _savedSize.x, _savedSize.y));
+		screen._backBuffer1.SHblitFrom(_iconSave, _savedPos, Common::Rect(0, 0, _savedSize.x, _savedSize.y));
 }
 
 void ScalpelMap::highlightIcon(const Common::Point &pt) {
diff --git a/engines/sherlock/scalpel/scalpel_scene.cpp b/engines/sherlock/scalpel/scalpel_scene.cpp
index b62703e0fb..83e49bb3fa 100644
--- a/engines/sherlock/scalpel/scalpel_scene.cpp
+++ b/engines/sherlock/scalpel/scalpel_scene.cpp
@@ -71,26 +71,26 @@ void ScalpelScene::drawAllShapes() {
 	// Draw all active shapes which are behind the person
 	for (uint idx = 0; idx < _bgShapes.size(); ++idx) {
 		if (_bgShapes[idx]._type == ACTIVE_BG_SHAPE && _bgShapes[idx]._misc == BEHIND)
-			screen._backBuffer->transBlitFrom(*_bgShapes[idx]._imageFrame, _bgShapes[idx]._position, _bgShapes[idx]._flags & OBJ_FLIPPED);
+			screen._backBuffer->SHtransBlitFrom(*_bgShapes[idx]._imageFrame, _bgShapes[idx]._position, _bgShapes[idx]._flags & OBJ_FLIPPED);
 	}
 
 	// Draw all canimations which are behind the person
 	for (uint idx = 0; idx < _canimShapes.size(); ++idx) {
 		if (_canimShapes[idx]->_type == ACTIVE_BG_SHAPE && _canimShapes[idx]->_misc == BEHIND)
-			screen._backBuffer->transBlitFrom(*_canimShapes[idx]->_imageFrame,
+			screen._backBuffer->SHtransBlitFrom(*_canimShapes[idx]->_imageFrame,
 			_canimShapes[idx]->_position, _canimShapes[idx]->_flags & OBJ_FLIPPED);
 	}
 
 	// Draw all active shapes which are normal and behind the person
 	for (uint idx = 0; idx < _bgShapes.size(); ++idx) {
 		if (_bgShapes[idx]._type == ACTIVE_BG_SHAPE && _bgShapes[idx]._misc == NORMAL_BEHIND)
-			screen._backBuffer->transBlitFrom(*_bgShapes[idx]._imageFrame, _bgShapes[idx]._position, _bgShapes[idx]._flags & OBJ_FLIPPED);
+			screen._backBuffer->SHtransBlitFrom(*_bgShapes[idx]._imageFrame, _bgShapes[idx]._position, _bgShapes[idx]._flags & OBJ_FLIPPED);
 	}
 
 	// Draw all canimations which are normal and behind the person
 	for (uint idx = 0; idx < _canimShapes.size(); ++idx) {
 		if (_canimShapes[idx]->_type == ACTIVE_BG_SHAPE && _canimShapes[idx]->_misc == NORMAL_BEHIND)
-			screen._backBuffer->transBlitFrom(*_canimShapes[idx]->_imageFrame, _canimShapes[idx]->_position,
+			screen._backBuffer->SHtransBlitFrom(*_canimShapes[idx]->_imageFrame, _canimShapes[idx]->_position,
 			_canimShapes[idx]->_flags & OBJ_FLIPPED);
 	}
 
@@ -103,7 +103,7 @@ void ScalpelScene::drawAllShapes() {
 				p._sequenceNumber == WALK_UPLEFT || p._sequenceNumber == STOP_UPLEFT ||
 				p._sequenceNumber == WALK_DOWNRIGHT || p._sequenceNumber == STOP_DOWNRIGHT);
 
-			screen._backBuffer->transBlitFrom(*p._imageFrame, Common::Point(p._position.x / FIXED_INT_MULTIPLIER,
+			screen._backBuffer->SHtransBlitFrom(*p._imageFrame, Common::Point(p._position.x / FIXED_INT_MULTIPLIER,
 				p._position.y / FIXED_INT_MULTIPLIER - p.frameHeight()), flipped);
 		}
 	}
@@ -112,7 +112,7 @@ void ScalpelScene::drawAllShapes() {
 	for (uint idx = 0; idx < _bgShapes.size(); ++idx) {
 		if ((_bgShapes[idx]._type == ACTIVE_BG_SHAPE || _bgShapes[idx]._type == STATIC_BG_SHAPE) &&
 			_bgShapes[idx]._misc == NORMAL_FORWARD)
-			screen._backBuffer->transBlitFrom(*_bgShapes[idx]._imageFrame, _bgShapes[idx]._position,
+			screen._backBuffer->SHtransBlitFrom(*_bgShapes[idx]._imageFrame, _bgShapes[idx]._position,
 			_bgShapes[idx]._flags & OBJ_FLIPPED);
 	}
 
@@ -120,7 +120,7 @@ void ScalpelScene::drawAllShapes() {
 	for (uint idx = 0; idx < _canimShapes.size(); ++idx) {
 		if ((_canimShapes[idx]->_type == ACTIVE_BG_SHAPE || _canimShapes[idx]->_type == STATIC_BG_SHAPE) &&
 			_canimShapes[idx]->_misc == NORMAL_FORWARD)
-			screen._backBuffer->transBlitFrom(*_canimShapes[idx]->_imageFrame, _canimShapes[idx]->_position,
+			screen._backBuffer->SHtransBlitFrom(*_canimShapes[idx]->_imageFrame, _canimShapes[idx]->_position,
 			_canimShapes[idx]->_flags & OBJ_FLIPPED);
 	}
 
@@ -132,7 +132,7 @@ void ScalpelScene::drawAllShapes() {
 
 		if ((_bgShapes[idx]._type == ACTIVE_BG_SHAPE || _bgShapes[idx]._type == STATIC_BG_SHAPE) &&
 			_bgShapes[idx]._misc == FORWARD)
-			screen._backBuffer->transBlitFrom(*_bgShapes[idx]._imageFrame, _bgShapes[idx]._position,
+			screen._backBuffer->SHtransBlitFrom(*_bgShapes[idx]._imageFrame, _bgShapes[idx]._position,
 			_bgShapes[idx]._flags & OBJ_FLIPPED);
 	}
 
@@ -140,7 +140,7 @@ void ScalpelScene::drawAllShapes() {
 	for (uint idx = 0; idx < _canimShapes.size(); ++idx) {
 		if ((_canimShapes[idx]->_type == ACTIVE_BG_SHAPE || _canimShapes[idx]->_type == STATIC_BG_SHAPE) &&
 			_canimShapes[idx]->_misc == FORWARD)
-			screen._backBuffer->transBlitFrom(*_canimShapes[idx]->_imageFrame, _canimShapes[idx]->_position,
+			screen._backBuffer->SHtransBlitFrom(*_canimShapes[idx]->_imageFrame, _canimShapes[idx]->_position,
 			_canimShapes[idx]->_flags & OBJ_FLIPPED);
 	}
 
@@ -242,7 +242,7 @@ void ScalpelScene::doBgAnim() {
 		if (people[HOLMES]._type == CHARACTER)
 			screen.restoreBackground(bounds);
 		else if (people[HOLMES]._type == REMOVE)
-			screen._backBuffer->blitFrom(screen._backBuffer2, pt, bounds);
+			screen._backBuffer->SHblitFrom(screen._backBuffer2, pt, bounds);
 
 		for (uint idx = 0; idx < _bgShapes.size(); ++idx) {
 			Object &o = _bgShapes[idx];
@@ -261,7 +261,7 @@ void ScalpelScene::doBgAnim() {
 			Object &o = _bgShapes[idx];
 			if (o._type == NO_SHAPE && ((o._flags & OBJ_BEHIND) == 0)) {
 				// Restore screen area
-				screen._backBuffer->blitFrom(screen._backBuffer2, o._position,
+				screen._backBuffer->SHblitFrom(screen._backBuffer2, o._position,
 					Common::Rect(o._position.x, o._position.y,
 					o._position.x + o._noShapeSize.x, o._position.y + o._noShapeSize.y));
 
@@ -309,14 +309,14 @@ void ScalpelScene::doBgAnim() {
 	for (uint idx = 0; idx < _bgShapes.size(); ++idx) {
 		Object &o = _bgShapes[idx];
 		if (o._type == ACTIVE_BG_SHAPE && o._misc == BEHIND)
-			screen._backBuffer->transBlitFrom(*o._imageFrame, o._position, o._flags & OBJ_FLIPPED);
+			screen._backBuffer->SHtransBlitFrom(*o._imageFrame, o._position, o._flags & OBJ_FLIPPED);
 	}
 
 	// Draw all canimations which are behind the person
 	for (uint idx = 0; idx < _canimShapes.size(); ++idx) {
 		Object &o = *_canimShapes[idx];
 		if (o._type == ACTIVE_BG_SHAPE && o._misc == BEHIND) {
-			screen._backBuffer->transBlitFrom(*o._imageFrame, o._position, o._flags & OBJ_FLIPPED);
+			screen._backBuffer->SHtransBlitFrom(*o._imageFrame, o._position, o._flags & OBJ_FLIPPED);
 		}
 	}
 
@@ -324,14 +324,14 @@ void ScalpelScene::doBgAnim() {
 	for (uint idx = 0; idx < _bgShapes.size(); ++idx) {
 		Object &o = _bgShapes[idx];
 		if (o._type == ACTIVE_BG_SHAPE && o._misc == NORMAL_BEHIND)
-			screen._backBuffer->transBlitFrom(*o._imageFrame, o._position, o._flags & OBJ_FLIPPED);
+			screen._backBuffer->SHtransBlitFrom(*o._imageFrame, o._position, o._flags & OBJ_FLIPPED);
 	}
 
 	// Draw all canimations which are NORMAL and behind the person
 	for (uint idx = 0; idx < _canimShapes.size(); ++idx) {
 		Object &o = *_canimShapes[idx];
 		if (o._type == ACTIVE_BG_SHAPE && o._misc == NORMAL_BEHIND) {
-			screen._backBuffer->transBlitFrom(*o._imageFrame, o._position, o._flags & OBJ_FLIPPED);
+			screen._backBuffer->SHtransBlitFrom(*o._imageFrame, o._position, o._flags & OBJ_FLIPPED);
 		}
 	}
 
@@ -344,7 +344,7 @@ void ScalpelScene::doBgAnim() {
 		bool flipped = people[HOLMES]._sequenceNumber == WALK_LEFT || people[HOLMES]._sequenceNumber == STOP_LEFT ||
 			people[HOLMES]._sequenceNumber == WALK_UPLEFT || people[HOLMES]._sequenceNumber == STOP_UPLEFT ||
 			people[HOLMES]._sequenceNumber == WALK_DOWNRIGHT || people[HOLMES]._sequenceNumber == STOP_DOWNRIGHT;
-		screen._backBuffer->transBlitFrom(*people[HOLMES]._imageFrame,
+		screen._backBuffer->SHtransBlitFrom(*people[HOLMES]._imageFrame,
 			Common::Point(tempX, people[HOLMES]._position.y / FIXED_INT_MULTIPLIER - people[HOLMES]._imageFrame->_frame.h), flipped);
 	}
 
@@ -352,14 +352,14 @@ void ScalpelScene::doBgAnim() {
 	for (uint idx = 0; idx < _bgShapes.size(); ++idx) {
 		Object &o = _bgShapes[idx];
 		if ((o._type == ACTIVE_BG_SHAPE || o._type == STATIC_BG_SHAPE) && o._misc == NORMAL_FORWARD)
-			screen._backBuffer->transBlitFrom(*o._imageFrame, o._position, o._flags & OBJ_FLIPPED);
+			screen._backBuffer->SHtransBlitFrom(*o._imageFrame, o._position, o._flags & OBJ_FLIPPED);
 	}
 
 	// Draw all static and active canimations that are NORMAL and are in front of the person
 	for (uint idx = 0; idx < _canimShapes.size(); ++idx) {
 		Object &o = *_canimShapes[idx];
 		if ((o._type == ACTIVE_BG_SHAPE || o._type == STATIC_BG_SHAPE) && o._misc == NORMAL_FORWARD) {
-			screen._backBuffer->transBlitFrom(*o._imageFrame, o._position, o._flags & OBJ_FLIPPED);
+			screen._backBuffer->SHtransBlitFrom(*o._imageFrame, o._position, o._flags & OBJ_FLIPPED);
 		}
 	}
 
@@ -367,19 +367,19 @@ void ScalpelScene::doBgAnim() {
 	for (uint idx = 0; idx < _bgShapes.size(); ++idx) {
 		Object &o = _bgShapes[idx];
 		if ((o._type == ACTIVE_BG_SHAPE || o._type == STATIC_BG_SHAPE) && o._misc == FORWARD)
-			screen._backBuffer->transBlitFrom(*o._imageFrame, o._position, o._flags & OBJ_FLIPPED);
+			screen._backBuffer->SHtransBlitFrom(*o._imageFrame, o._position, o._flags & OBJ_FLIPPED);
 	}
 
 	// Draw any active portrait
 	if (people._portraitLoaded && people._portrait._type == ACTIVE_BG_SHAPE)
-		screen._backBuffer->transBlitFrom(*people._portrait._imageFrame,
+		screen._backBuffer->SHtransBlitFrom(*people._portrait._imageFrame,
 			people._portrait._position, people._portrait._flags & OBJ_FLIPPED);
 
 	// Draw all static and active canimations that are in front of the person
 	for (uint idx = 0; idx < _canimShapes.size(); ++idx) {
 		Object &o = *_canimShapes[idx];
 		if ((o._type == ACTIVE_BG_SHAPE || o._type == STATIC_BG_SHAPE) && o._misc == FORWARD) {
-			screen._backBuffer->transBlitFrom(*o._imageFrame, o._position, o._flags & OBJ_FLIPPED);
+			screen._backBuffer->SHtransBlitFrom(*o._imageFrame, o._position, o._flags & OBJ_FLIPPED);
 		}
 	}
 
@@ -387,7 +387,7 @@ void ScalpelScene::doBgAnim() {
 	for (uint idx = 0; idx < _bgShapes.size(); ++idx) {
 		Object &o = _bgShapes[idx];
 		if (o._type == NO_SHAPE && (o._flags & OBJ_BEHIND) == 0)
-			screen._backBuffer->transBlitFrom(*o._imageFrame, o._position, o._flags & OBJ_FLIPPED);
+			screen._backBuffer->SHtransBlitFrom(*o._imageFrame, o._position, o._flags & OBJ_FLIPPED);
 	}
 
 	// Bring the newly built picture to the screen
diff --git a/engines/sherlock/scalpel/scalpel_screen.cpp b/engines/sherlock/scalpel/scalpel_screen.cpp
index 197a2a2634..37e5294c02 100644
--- a/engines/sherlock/scalpel/scalpel_screen.cpp
+++ b/engines/sherlock/scalpel/scalpel_screen.cpp
@@ -28,6 +28,8 @@ namespace Sherlock {
 namespace Scalpel {
 
 ScalpelScreen::ScalpelScreen(SherlockEngine *vm) : Screen(vm) {
+	_backBuffer1.create(320, 200);
+	_backBuffer2.create(320, 200);
 }
 
 void ScalpelScreen::makeButton(const Common::Rect &bounds, int textX,
@@ -123,255 +125,6 @@ void ScalpelScreen::makeField(const Common::Rect &r) {
 	_backBuffer->vLine(r.right - 1, r.top + 1, r.bottom - 2, BUTTON_TOP);
 }
 
-/*----------------------------------------------------------------*/
-
-void Scalpel3DOScreen::blitFrom(const Graphics::Surface &src, const Common::Point &pt, const Common::Rect &srcBounds) {
-	if (!_vm->_isScreenDoubled) {
-		ScalpelScreen::blitFrom(src, pt, srcBounds);
-		return;
-	}
-
-	Common::Rect srcRect = srcBounds;
-	Common::Rect destRect(pt.x, pt.y, pt.x + srcRect.width(), pt.y + srcRect.height());
-
-	if (!srcRect.isValidRect() || !clip(srcRect, destRect))
-		return;
-
-	// Add dirty area remapped to the 640x200 surface
-	addDirtyRect(Common::Rect(destRect.left * 2, destRect.top * 2, destRect.right * 2, destRect.bottom * 2));
-
-	// Transfer the area, doubling each pixel
-	for (int yp = 0; yp < srcRect.height(); ++yp) {
-		const uint16 *srcP = (const uint16 *)src.getBasePtr(srcRect.left, srcRect.top + yp);
-		uint16 *destP = (uint16 *)getBasePtr(destRect.left * 2, (destRect.top + yp) * 2);
-
-		for (int xp = srcRect.left; xp < srcRect.right; ++xp, ++srcP, destP += 2) {
-			*destP = *srcP;
-			*(destP + 1) = *srcP;
-			*(destP + 640) = *srcP;
-			*(destP + 640 + 1) = *srcP;
-		}
-	}
-}
-
-void Scalpel3DOScreen::transBlitFromUnscaled(const Graphics::Surface &src, const Common::Point &pt,
-		bool flipped, int overrideColor) {
-	if (!_vm->_isScreenDoubled) {
-		ScalpelScreen::transBlitFromUnscaled(src, pt, flipped, overrideColor);
-		return;
-	}
-
-	Common::Rect drawRect(0, 0, src.w, src.h);
-	Common::Rect destRect(pt.x, pt.y, pt.x + src.w, pt.y + src.h);
-
-	// Clip the display area to on-screen
-	if (!clip(drawRect, destRect))
-		// It's completely off-screen
-		return;
-
-	if (flipped)
-		drawRect = Common::Rect(src.w - drawRect.right, src.h - drawRect.bottom,
-		src.w - drawRect.left, src.h - drawRect.top);
-
-	Common::Point destPt(destRect.left, destRect.top);
-	addDirtyRect(Common::Rect(destPt.x * 2, destPt.y * 2, (destPt.x + drawRect.width()) * 2,
-		(destPt.y + drawRect.height()) * 2));
-
-	assert(src.format.bytesPerPixel == 2 && _surface.format.bytesPerPixel == 2);
-
-	for (int yp = 0; yp < drawRect.height(); ++yp) {
-		const uint16 *srcP = (const uint16 *)src.getBasePtr(
-			flipped ? drawRect.right - 1 : drawRect.left, drawRect.top + yp);
-		uint16 *destP = (uint16 *)getBasePtr(destPt.x * 2, (destPt.y + yp) * 2);
-
-		for (int xp = 0; xp < drawRect.width(); ++xp, destP += 2) {
-			// RGB 0, 0, 0 -> transparent on 3DO
-			if (*srcP) {
-				*destP = *srcP;
-				*(destP + 1) = *srcP;
-				*(destP + 640) = *srcP;
-				*(destP + 640 + 1) = *srcP;
-			}
-
-			srcP = flipped ? srcP - 1 : srcP + 1;
-		}
-	}
-}
-
-void Scalpel3DOScreen::fillRect(const Common::Rect &r, uint color) {
-	if (_vm->_isScreenDoubled)
-		ScalpelScreen::fillRect(Common::Rect(r.left * 2, r.top * 2, r.right * 2, r.bottom * 2), color);
-	else
-		ScalpelScreen::fillRect(r, color);
-}
-
-void Scalpel3DOScreen::fadeIntoScreen3DO(int speed) {
-	Events &events = *_vm->_events;
-	uint16 *currentScreenBasePtr = (uint16 *)getPixels();
-	uint16 *targetScreenBasePtr = (uint16 *)_backBuffer->getPixels();
-	uint16  currentScreenPixel = 0;
-	uint16  targetScreenPixel = 0;
-
-	uint16  currentScreenPixelRed = 0;
-	uint16  currentScreenPixelGreen = 0;
-	uint16  currentScreenPixelBlue = 0;
-
-	uint16  targetScreenPixelRed = 0;
-	uint16  targetScreenPixelGreen = 0;
-	uint16  targetScreenPixelBlue = 0;
-
-	uint16  screenWidth = SHERLOCK_SCREEN_WIDTH;
-	uint16  screenHeight = SHERLOCK_SCREEN_HEIGHT;
-	uint16  screenX = 0;
-	uint16  screenY = 0;
-	uint16  pixelsChanged = 0;
-
-	clearDirtyRects();
-
-	do {
-		pixelsChanged = 0;
-		uint16 *currentScreenPtr = currentScreenBasePtr;
-		uint16 *targetScreenPtr = targetScreenBasePtr;
-
-		for (screenY = 0; screenY < screenHeight; screenY++) {
-			for (screenX = 0; screenX < screenWidth; screenX++) {
-				currentScreenPixel = *currentScreenPtr;
-				targetScreenPixel = *targetScreenPtr;
-
-				if (currentScreenPixel != targetScreenPixel) {
-					// pixel doesn't match, adjust accordingly
-					currentScreenPixelRed = currentScreenPixel & 0xF800;
-					currentScreenPixelGreen = currentScreenPixel & 0x07E0;
-					currentScreenPixelBlue = currentScreenPixel & 0x001F;
-					targetScreenPixelRed = targetScreenPixel & 0xF800;
-					targetScreenPixelGreen = targetScreenPixel & 0x07E0;
-					targetScreenPixelBlue = targetScreenPixel & 0x001F;
-
-					if (currentScreenPixelRed != targetScreenPixelRed) {
-						if (currentScreenPixelRed < targetScreenPixelRed) {
-							currentScreenPixelRed += 0x0800;
-						} else {
-							currentScreenPixelRed -= 0x0800;
-						}
-					}
-					if (currentScreenPixelGreen != targetScreenPixelGreen) {
-						// Adjust +2/-2 because we are running RGB555 at RGB565
-						if (currentScreenPixelGreen < targetScreenPixelGreen) {
-							currentScreenPixelGreen += 0x0040;
-						} else {
-							currentScreenPixelGreen -= 0x0040;
-						}
-					}
-					if (currentScreenPixelBlue != targetScreenPixelBlue) {
-						if (currentScreenPixelBlue < targetScreenPixelBlue) {
-							currentScreenPixelBlue += 0x0001;
-						} else {
-							currentScreenPixelBlue -= 0x0001;
-						}
-					}
-
-					uint16 v = currentScreenPixelRed | currentScreenPixelGreen | currentScreenPixelBlue;
-					*currentScreenPtr = v;
-					if (_vm->_isScreenDoubled) {
-						*(currentScreenPtr + 1) = v;
-						*(currentScreenPtr + 640) = v;
-						*(currentScreenPtr + 640 + 1) = v;
-					}
-
-					pixelsChanged++;
-				}
-
-				currentScreenPtr += _vm->_isScreenDoubled ? 2 : 1;
-				targetScreenPtr++;
-			}
-
-			if (_vm->_isScreenDoubled)
-				currentScreenPtr += 640;
-		}
-
-		// Too much considered dirty at the moment
-		if (_vm->_isScreenDoubled)
-			addDirtyRect(Common::Rect(0, 0, screenWidth * 2, screenHeight * 2));
-		else
-			addDirtyRect(Common::Rect(0, 0, screenWidth, screenHeight));
-
-		events.pollEvents();
-		events.delay(10 * speed);
-	} while ((pixelsChanged) && (!_vm->shouldQuit()));
-}
-
-void Scalpel3DOScreen::blitFrom3DOcolorLimit(uint16 limitColor) {
-	uint16 *currentScreenPtr = (uint16 *)getPixels();
-	uint16 *targetScreenPtr = (uint16 *)_backBuffer->getPixels();
-	uint16  currentScreenPixel = 0;
-
-	uint16  screenWidth = SHERLOCK_SCREEN_WIDTH;
-	uint16  screenHeight = SHERLOCK_SCREEN_HEIGHT;
-	uint16  screenX = 0;
-	uint16  screenY = 0;
-
-	uint16  currentScreenPixelRed = 0;
-	uint16  currentScreenPixelGreen = 0;
-	uint16  currentScreenPixelBlue = 0;
-
-	uint16  limitPixelRed = limitColor & 0xF800;
-	uint16  limitPixelGreen = limitColor & 0x07E0;
-	uint16  limitPixelBlue = limitColor & 0x001F;
-
-	for (screenY = 0; screenY < screenHeight; screenY++) {
-		for (screenX = 0; screenX < screenWidth; screenX++) {
-			currentScreenPixel = *targetScreenPtr;
-
-			currentScreenPixelRed = currentScreenPixel & 0xF800;
-			currentScreenPixelGreen = currentScreenPixel & 0x07E0;
-			currentScreenPixelBlue = currentScreenPixel & 0x001F;
-
-			if (currentScreenPixelRed < limitPixelRed)
-				currentScreenPixelRed = limitPixelRed;
-			if (currentScreenPixelGreen < limitPixelGreen)
-				currentScreenPixelGreen = limitPixelGreen;
-			if (currentScreenPixelBlue < limitPixelBlue)
-				currentScreenPixelBlue = limitPixelBlue;
-
-			uint16 v = currentScreenPixelRed | currentScreenPixelGreen | currentScreenPixelBlue;
-			*currentScreenPtr = v;
-			if (_vm->_isScreenDoubled) {
-				*(currentScreenPtr + 1) = v;
-				*(currentScreenPtr + 640) = v;
-				*(currentScreenPtr + 640 + 1) = v;
-			}
-
-			currentScreenPtr += _vm->_isScreenDoubled ? 2 : 1;
-			targetScreenPtr++;
-		}
-
-		if (_vm->_isScreenDoubled)
-			currentScreenPtr += 640;
-	}
-
-	// Too much considered dirty at the moment
-	if (_vm->_isScreenDoubled)
-		addDirtyRect(Common::Rect(0, 0, screenWidth * 2, screenHeight * 2));
-	else
-		addDirtyRect(Common::Rect(0, 0, screenWidth, screenHeight));
-}
-
-uint16 Scalpel3DOScreen::w() const {
-	return _vm->_isScreenDoubled ? _surface.w / 2 : _surface.w;
-}
-
-uint16 Scalpel3DOScreen::h() const {
-	return _vm->_isScreenDoubled ? _surface.h / 2 : _surface.h;
-}
-
-void Scalpel3DOScreen::rawBlitFrom(const Graphics::Surface &src, const Common::Point &pt) {
-	Common::Rect srcRect(0, 0, src.w, src.h);
-	Common::Rect destRect(pt.x, pt.y, pt.x + src.w, pt.y + src.h);
-
-	addDirtyRect(destRect);
-	_surface.copyRectToSurface(src, destRect.left, destRect.top, srcRect);
-}
-
 } // End of namespace Scalpel
 
 } // End of namespace Sherlock
diff --git a/engines/sherlock/scalpel/scalpel_screen.h b/engines/sherlock/scalpel/scalpel_screen.h
index cee33b8c6c..d9be29c8b2 100644
--- a/engines/sherlock/scalpel/scalpel_screen.h
+++ b/engines/sherlock/scalpel/scalpel_screen.h
@@ -61,44 +61,6 @@ public:
 	void makeField(const Common::Rect &r);
 };
 
-class Scalpel3DOScreen : public ScalpelScreen {
-protected:
-	/**
-	 * Draws a sub-section of a surface at a given position within this surface
-	 * Overriden for the 3DO to automatically double the size of everything to the underlying 640x400 surface
-	 */
-	virtual void blitFrom(const Graphics::Surface &src, const Common::Point &pt, const Common::Rect &srcBounds);
-
-	/**
-	 * Draws a surface at a given position within this surface with transparency
-	 */
-	virtual void transBlitFromUnscaled(const Graphics::Surface &src, const Common::Point &pt, bool flipped, 
-		int overrideColor);
-public:
-	Scalpel3DOScreen(SherlockEngine *vm) : ScalpelScreen(vm) {}
-	virtual ~Scalpel3DOScreen() {}
-
-	/**
-	 * Draws a sub-section of a surface at a given position within this surface
-	 */
-	void rawBlitFrom(const Graphics::Surface &src, const Common::Point &pt);
-
-	/**
-	 * Fade backbuffer 1 into screen (3DO RGB!)
-	 */
-	void fadeIntoScreen3DO(int speed);
-
-	void blitFrom3DOcolorLimit(uint16 color);
-
-	/**
-	 * Fill a given area of the surface with a given color
-	 */
-	virtual void fillRect(const Common::Rect &r, uint color);
-
-	virtual uint16 w() const;
-	virtual uint16 h() const;
-};
-
 } // End of namespace Scalpel
 
 } // End of namespace Sherlock
diff --git a/engines/sherlock/scalpel/scalpel_user_interface.cpp b/engines/sherlock/scalpel/scalpel_user_interface.cpp
index 7ac8d0d5cf..6534f61a87 100644
--- a/engines/sherlock/scalpel/scalpel_user_interface.cpp
+++ b/engines/sherlock/scalpel/scalpel_user_interface.cpp
@@ -148,23 +148,24 @@ void ScalpelUserInterface::reset() {
 void ScalpelUserInterface::drawInterface(int bufferNum) {
 	Screen &screen = *_vm->_screen;
 
-	const ImageFrame &src = (*_controlPanel)[0];
+	const Graphics::Surface &src = (*_controlPanel)[0]._frame;
 	int16 x = (!IS_3DO) ? 0 : UI_OFFSET_3DO;
 
 	if (bufferNum & 1) {
 		if (IS_3DO)
 			screen._backBuffer1.fillRect(Common::Rect(0, CONTROLS_Y,
 				SHERLOCK_SCREEN_WIDTH, SHERLOCK_SCREEN_HEIGHT), BLACK);
-		screen._backBuffer1.transBlitFrom(src, Common::Point(x, CONTROLS_Y));
+		screen._backBuffer1.SHtransBlitFrom(src, Common::Point(x, CONTROLS_Y));
 	}
 	if (bufferNum & 2) {
 		if (IS_3DO)
 			screen._backBuffer2.fillRect(Common::Rect(0, CONTROLS_Y,
 				SHERLOCK_SCREEN_WIDTH, SHERLOCK_SCREEN_HEIGHT), BLACK);
-		screen._backBuffer2.transBlitFrom(src, Common::Point(x, CONTROLS_Y));
+		screen._backBuffer2.SHtransBlitFrom(src, Common::Point(x, CONTROLS_Y));
 	}
 	if (bufferNum == 3)
-		screen._backBuffer2.fillRect(0, INFO_LINE, SHERLOCK_SCREEN_WIDTH, INFO_LINE + 10, INFO_BLACK);
+		screen._backBuffer2.SHfillRect(Common::Rect(0, INFO_LINE,
+			SHERLOCK_SCREEN_WIDTH, INFO_LINE + 10), INFO_BLACK);
 }
 
 void ScalpelUserInterface::handleInput() {
@@ -426,7 +427,7 @@ void ScalpelUserInterface::depressButton(int num) {
 	offsetButton3DO(pt, num);
 
 	ImageFrame &frame = (*_controls)[num];
-	screen._backBuffer1.transBlitFrom(frame, pt);
+	screen._backBuffer1.SHtransBlitFrom(frame, pt);
 	screen.slamArea(pt.x, pt.y, pt.x + frame._width, pt.y + frame._height);
 }
 
@@ -442,7 +443,7 @@ void ScalpelUserInterface::restoreButton(int num) {
 	events.setCursor(ARROW);
 
 	// Restore the UI on the back buffer
-	screen._backBuffer1.blitFrom(screen._backBuffer2, pt,
+	screen._backBuffer1.SHblitFrom(screen._backBuffer2, pt,
 		Common::Rect(pt.x, pt.y, pt.x + 90, pt.y + 19));
 	screen.slamArea(pt.x, pt.y, pt.x + frame.w, pt.y + frame.h);
 
@@ -489,7 +490,7 @@ void ScalpelUserInterface::toggleButton(uint16 num) {
 			ImageFrame &frame = (*_controls)[num];
 			Common::Point pt(MENU_POINTS[num][0], MENU_POINTS[num][1]);
 			offsetButton3DO(pt, num);
-			screen._backBuffer1.transBlitFrom(frame, pt);
+			screen._backBuffer1.SHtransBlitFrom(frame, pt);
 			screen.slamArea(pt.x, pt.y, pt.x + frame._width, pt.y + frame._height);
 		}
 	} else {
@@ -1272,7 +1273,7 @@ void ScalpelUserInterface::doLookControl() {
 				// Need to close the window and depress the Look button
 				Common::Point pt(MENU_POINTS[0][0], MENU_POINTS[0][1]);
 				offsetButton3DO(pt, 0);
-				screen._backBuffer2.blitFrom((*_controls)[0], pt);
+				screen._backBuffer2.SHblitFrom((*_controls)[0], pt);
 				banishWindow(true);
 
 				_windowBounds.top = CONTROLS_Y1;
@@ -1296,14 +1297,14 @@ void ScalpelUserInterface::doLookControl() {
 			// Looking at an inventory object
 			// Backup the user interface
 			Surface tempSurface(SHERLOCK_SCREEN_WIDTH, SHERLOCK_SCREEN_HEIGHT - CONTROLS_Y1);
-			tempSurface.blitFrom(screen._backBuffer2, Common::Point(0, 0),
+			tempSurface.SHblitFrom(screen._backBuffer2, Common::Point(0, 0),
 				Common::Rect(0, CONTROLS_Y1, SHERLOCK_SCREEN_WIDTH, SHERLOCK_SCREEN_HEIGHT));
 
 			inv.drawInventory(INVENTORY_DONT_DISPLAY);
 			banishWindow(true);
 
 			// Restore the ui
-			screen._backBuffer2.blitFrom(tempSurface, Common::Point(0, CONTROLS_Y1));
+			screen._backBuffer2.SHblitFrom(tempSurface, Common::Point(0, CONTROLS_Y1));
 
 			_windowBounds.top = CONTROLS_Y1;
 			_key = _oldKey = _hotkeyLook;
@@ -1887,7 +1888,7 @@ void ScalpelUserInterface::journalControl() {
 	// Reset the palette
 	screen.setPalette(screen._cMap);
 
-	screen._backBuffer1.blitFrom(screen._backBuffer2);
+	screen._backBuffer1.SHblitFrom(screen._backBuffer2);
 	scene.updateBackground();
 	screen.slamArea(0, 0, SHERLOCK_SCREEN_WIDTH, SHERLOCK_SCREEN_HEIGHT);
 }
@@ -1921,9 +1922,9 @@ void ScalpelUserInterface::printObjectDesc(const Common::String &str, bool first
 				Common::Point pt(MENU_POINTS[0][0], MENU_POINTS[0][1]);
 				offsetButton3DO(pt, 0);
 
-				tempSurface.blitFrom(screen._backBuffer2, Common::Point(0, 0),
-					Common::Rect(pt.x, pt.y, pt.x + tempSurface.w(), pt.y + tempSurface.h()));
-				screen._backBuffer2.transBlitFrom((*_controls)[0], pt);
+				tempSurface.SHblitFrom(screen._backBuffer2, Common::Point(0, 0),
+					Common::Rect(pt.x, pt.y, pt.x + tempSurface.width(), pt.y + tempSurface.height()));
+				screen._backBuffer2.SHtransBlitFrom((*_controls)[0], pt);
 
 				banishWindow(1);
 				events.setCursor(MAGNIFY);
@@ -1933,7 +1934,7 @@ void ScalpelUserInterface::printObjectDesc(const Common::String &str, bool first
 				_menuMode = LOOK_MODE;
 				events.clearEvents();
 
-				screen._backBuffer2.blitFrom(tempSurface, pt);
+				screen._backBuffer2.SHblitFrom(tempSurface, pt);
 			} else {
 				events.setCursor(ARROW);
 				banishWindow(true);
@@ -2071,9 +2072,9 @@ void ScalpelUserInterface::summonWindow(const Surface &bgSurface, bool slideUp)
 
 	if (slideUp) {
 		// Gradually slide up the display of the window
-		for (int idx = 1; idx <= bgSurface.h(); idx += 2) {
-			screen._backBuffer->blitFrom(bgSurface, Common::Point(0, SHERLOCK_SCREEN_HEIGHT - idx),
-				Common::Rect(0, 0, bgSurface.w(), idx));
+		for (int idx = 1; idx <= bgSurface.height(); idx += 2) {
+			screen._backBuffer->SHblitFrom(bgSurface, Common::Point(0, SHERLOCK_SCREEN_HEIGHT - idx),
+				Common::Rect(0, 0, bgSurface.width(), idx));
 			screen.slamRect(Common::Rect(0, SHERLOCK_SCREEN_HEIGHT - idx,
 				SHERLOCK_SCREEN_WIDTH, SHERLOCK_SCREEN_HEIGHT));
 
@@ -2081,21 +2082,21 @@ void ScalpelUserInterface::summonWindow(const Surface &bgSurface, bool slideUp)
 		}
 	} else {
 		// Gradually slide down the display of the window
-		for (int idx = 1; idx <= bgSurface.h(); idx += 2) {
-			screen._backBuffer->blitFrom(bgSurface,
-				Common::Point(0, SHERLOCK_SCREEN_HEIGHT - bgSurface.h()),
-				Common::Rect(0, bgSurface.h() - idx, bgSurface.w(), bgSurface.h()));
-			screen.slamRect(Common::Rect(0, SHERLOCK_SCREEN_HEIGHT - bgSurface.h(),
-				SHERLOCK_SCREEN_WIDTH, SHERLOCK_SCREEN_HEIGHT - bgSurface.h() + idx));
+		for (int idx = 1; idx <= bgSurface.height(); idx += 2) {
+			screen._backBuffer->SHblitFrom(bgSurface,
+				Common::Point(0, SHERLOCK_SCREEN_HEIGHT - bgSurface.height()),
+				Common::Rect(0, bgSurface.height() - idx, bgSurface.width(), bgSurface.height()));
+			screen.slamRect(Common::Rect(0, SHERLOCK_SCREEN_HEIGHT - bgSurface.height(),
+				SHERLOCK_SCREEN_WIDTH, SHERLOCK_SCREEN_HEIGHT - bgSurface.height() + idx));
 
 			events.delay(10);
 		}
 	}
 
 	// Final display of the entire window
-	screen._backBuffer->blitFrom(bgSurface, Common::Point(0, SHERLOCK_SCREEN_HEIGHT - bgSurface.h()),
-		Common::Rect(0, 0, bgSurface.w(), bgSurface.h()));
-	screen.slamArea(0, SHERLOCK_SCREEN_HEIGHT - bgSurface.h(), bgSurface.w(), bgSurface.h());
+	screen._backBuffer->SHblitFrom(bgSurface, Common::Point(0, SHERLOCK_SCREEN_HEIGHT - bgSurface.height()),
+		Common::Rect(0, 0, bgSurface.width(), bgSurface.height()));
+	screen.slamArea(0, SHERLOCK_SCREEN_HEIGHT - bgSurface.height(), bgSurface.width(), bgSurface.height());
 
 	_windowOpen = true;
 }
@@ -2106,10 +2107,10 @@ void ScalpelUserInterface::summonWindow(bool slideUp, int height) {
 	// Extract the window that's been drawn on the back buffer
 	Surface tempSurface(SHERLOCK_SCREEN_WIDTH, SHERLOCK_SCREEN_HEIGHT - height);
 	Common::Rect r(0, height, SHERLOCK_SCREEN_WIDTH, SHERLOCK_SCREEN_HEIGHT);
-	tempSurface.blitFrom(screen._backBuffer1, Common::Point(0, 0), r);
+	tempSurface.SHblitFrom(screen._backBuffer1, Common::Point(0, 0), r);
 
 	// Remove drawn window with original user interface
-	screen._backBuffer1.blitFrom(screen._backBuffer2,
+	screen._backBuffer1.SHblitFrom(screen._backBuffer2,
 		Common::Point(0, height), r);
 
 	// Display the window gradually on-screen
@@ -2133,7 +2134,7 @@ void ScalpelUserInterface::banishWindow(bool slideUp) {
 					Common::copy_backward(pSrc, pSrcEnd, pDest);
 
 					// Restore lines from the ui in the secondary back buffer
-					screen._backBuffer1.blitFrom(screen._backBuffer2,
+					screen._backBuffer1.SHblitFrom(screen._backBuffer2,
 						Common::Point(0, CONTROLS_Y),
 						Common::Rect(0, CONTROLS_Y, SHERLOCK_SCREEN_WIDTH, CONTROLS_Y + idx));
 
@@ -2143,14 +2144,14 @@ void ScalpelUserInterface::banishWindow(bool slideUp) {
 				}
 
 				// Restore final two old lines
-				screen._backBuffer1.blitFrom(screen._backBuffer2,
+				screen._backBuffer1.SHblitFrom(screen._backBuffer2,
 					Common::Point(0, SHERLOCK_SCREEN_HEIGHT - 2),
 					Common::Rect(0, SHERLOCK_SCREEN_HEIGHT - 2,
 						SHERLOCK_SCREEN_WIDTH, SHERLOCK_SCREEN_HEIGHT));
 				screen.slamArea(0, SHERLOCK_SCREEN_HEIGHT - 2, SHERLOCK_SCREEN_WIDTH, 2);
 			} else {
 				// Restore old area to completely erase window
-				screen._backBuffer1.blitFrom(screen._backBuffer2,
+				screen._backBuffer1.SHblitFrom(screen._backBuffer2,
 					Common::Point(0, CONTROLS_Y),
 					Common::Rect(0, CONTROLS_Y, SHERLOCK_SCREEN_WIDTH, SHERLOCK_SCREEN_HEIGHT));
 				screen.slamRect(Common::Rect(0, CONTROLS_Y, SHERLOCK_SCREEN_WIDTH,
@@ -2170,7 +2171,7 @@ void ScalpelUserInterface::banishWindow(bool slideUp) {
 			}
 
 			// Show entire final area
-			screen._backBuffer1.blitFrom(screen._backBuffer2, Common::Point(0, CONTROLS_Y1),
+			screen._backBuffer1.SHblitFrom(screen._backBuffer2, Common::Point(0, CONTROLS_Y1),
 				Common::Rect(0, CONTROLS_Y1, SHERLOCK_SCREEN_WIDTH, SHERLOCK_SCREEN_HEIGHT));
 			screen.slamRect(Common::Rect(0, CONTROLS_Y1, SHERLOCK_SCREEN_WIDTH, SHERLOCK_SCREEN_HEIGHT));
 		}
diff --git a/engines/sherlock/scalpel/tsage/logo.cpp b/engines/sherlock/scalpel/tsage/logo.cpp
index 273d26df74..a885057f35 100644
--- a/engines/sherlock/scalpel/tsage/logo.cpp
+++ b/engines/sherlock/scalpel/tsage/logo.cpp
@@ -217,7 +217,7 @@ void Object::erase() {
 	Screen &screen = *_vm->_screen;
 	
 	if (_visage.isLoaded() && !_oldBounds.isEmpty())
-		screen.blitFrom(screen._backBuffer1, Common::Point(_oldBounds.left, _oldBounds.top), _oldBounds);
+		screen.SHblitFrom(screen._backBuffer1, Common::Point(_oldBounds.left, _oldBounds.top), _oldBounds);
 }
 
 void Object::update() {
@@ -246,9 +246,9 @@ void Object::update() {
 		_visage.getFrame(s, _frame);
 
 		// Display the frame
-		_oldBounds = Common::Rect(_position.x, _position.y, _position.x + s.w(), _position.y + s.h());
+		_oldBounds = Common::Rect(_position.x, _position.y, _position.x + s.width(), _position.y + s.height());
 		_oldBounds.translate(-s._centroid.x, -s._centroid.y);
-		screen.transBlitFrom(s, Common::Point(_oldBounds.left, _oldBounds.top));
+		screen.SHtransBlitFrom(s, Common::Point(_oldBounds.left, _oldBounds.top));
 	}
 }
 
@@ -652,7 +652,7 @@ void Logo::loadBackground() {
 	screen.setPalette(palette);
 
 	// Copy the surface to the screen
-	screen.blitFrom(screen._backBuffer1);
+	screen.SHblitFrom(screen._backBuffer1);
 }
 
 void Logo::fade(const byte palette[PALETTE_SIZE], int step) {