SCI: cleaned up graphics classes, removed gfx&windowmgr, added gfxports, gfxcompare, gfxpaint16, gfxcache. kernel uses gfxports directly w/o going through SciGui

svn-id: r47745

31 files changed, 1659 insertions, 1406 deletions

diff --git a/engines/sci/engine/kgraphics.cpp b/engines/sci/engine/kgraphics.cpp
index 8f13c8c42d..782072a229 100644
--- a/engines/sci/engine/kgraphics.cpp
+++ b/engines/sci/engine/kgraphics.cpp
@@ -36,6 +36,7 @@
 #include "sci/engine/kernel.h"
 #include "sci/graphics/gui.h"
 #include "sci/graphics/gui32.h"
+#include "sci/graphics/ports.h"
 #include "sci/graphics/animate.h"
 #include "sci/graphics/cursor.h"
 #include "sci/graphics/screen.h"
@@ -991,19 +992,19 @@ reg_t kAddToPic(EngineState *s, int argc, reg_t *argv) {
 }
 
 reg_t kGetPort(EngineState *s, int argc, reg_t *argv) {
-	return s->_gui->getPort();
+	return s->_gfxPorts->kernelGetActive();
 }
 
 reg_t kSetPort(EngineState *s, int argc, reg_t *argv) {
-	uint16 portPtr;
+	uint16 portId;
 	Common::Rect picRect;
 	int16 picTop, picLeft;
 	bool initPriorityBandsFlag = false;
 
 	switch (argc) {
 	case 1:
-		portPtr = argv[0].toSint16();
-		s->_gui->setPort(portPtr);
+		portId = argv[0].toSint16();
+		s->_gfxPorts->kernelSetActive(portId);
 		break;
 
 	case 7:
@@ -1016,7 +1017,7 @@ reg_t kSetPort(EngineState *s, int argc, reg_t *argv) {
 		picRect.right = argv[3].toSint16();
 		picTop = (argc >= 6) ? argv[4].toSint16() : 0;
 		picLeft = (argc >= 6) ? argv[5].toSint16() : 0;
-		s->_gui->setPortPic(picRect, picTop, picLeft, initPriorityBandsFlag);
+		s->_gfxPorts->kernelSetPicWindow(picRect, picTop, picLeft, initPriorityBandsFlag);
 		break;
 
 	default:
@@ -1061,12 +1062,12 @@ reg_t kDrawCel(EngineState *s, int argc, reg_t *argv) {
 }
 
 reg_t kDisposeWindow(EngineState *s, int argc, reg_t *argv) {
-	int goner_nr = argv[0].toSint16();
+	int windowId = argv[0].toSint16();
 	bool reanimate = false;
 	if ((argc != 2) || (argv[1].isNull()))
 		reanimate = true;
 
-	s->_gui->disposeWindow(goner_nr, reanimate);
+	s->_gfxPorts->kernelDisposeWindow(windowId, reanimate);
 	return s->r_acc;
 }
 
@@ -1090,7 +1091,7 @@ reg_t kNewWindow(EngineState *s, int argc, reg_t *argv) {
 		title = s->strSplit(title.c_str(), NULL);
 	}
 
-	return s->_gui->newWindow(rect1, rect2, style, priority, colorPen, colorBack, title.c_str());
+	return s->_gfxPorts->kernelNewWindow(rect1, rect2, style, priority, colorPen, colorBack, title.c_str());
 }
 
 reg_t kAnimate(EngineState *s, int argc, reg_t *argv) {
diff --git a/engines/sci/engine/savegame.cpp b/engines/sci/engine/savegame.cpp
index bf0f11c3a6..9c0fd9dc47 100644
--- a/engines/sci/engine/savegame.cpp
+++ b/engines/sci/engine/savegame.cpp
@@ -38,6 +38,7 @@
 #include "sci/engine/vm_types.h"
 #include "sci/engine/script.h"	// for SCI_OBJ_EXPORTS and SCI_OBJ_SYNONYMS
 #include "sci/graphics/gui.h"
+#include "sci/graphics/ports.h"
 #include "sci/sound/audio.h"
 #ifdef USE_OLD_MUSIC_FUNCTIONS
 #include "sci/sound/iterator/core.h"
@@ -366,7 +367,7 @@ void EngineState::saveLoadWithSerializer(Common::Serializer &s) {
 		Common::Rect picPortRect;
 
 		if (s.isSaving())
-			picPortRect = _gui->getPortPic(picPortTop, picPortLeft);
+			picPortRect = _gfxPorts->kernelGetPicWindow(picPortTop, picPortLeft);
 
 		s.syncAsSint16LE(picPortRect.top);
 		s.syncAsSint16LE(picPortRect.left);
diff --git a/engines/sci/engine/state.h b/engines/sci/engine/state.h
index fd751a894b..31c46c4447 100644
--- a/engines/sci/engine/state.h
+++ b/engines/sci/engine/state.h
@@ -51,6 +51,7 @@ namespace Sci {
 
 class SciEvent;
 class Menubar;
+class GfxPorts;
 class SciGui;
 class Cursor;
 class MessageState;
@@ -147,6 +148,7 @@ public:
 
 	/* Non-VM information */
 
+	GfxPorts *_gfxPorts; // Port managment for 16-bit gui
 	SciGui *_gui; /* Currently active Gui */
 
 #ifdef ENABLE_SCI32
diff --git a/engines/sci/graphics/animate.cpp b/engines/sci/graphics/animate.cpp
index 8718fa4f97..55cccdc3a7 100644
--- a/engines/sci/graphics/animate.cpp
+++ b/engines/sci/graphics/animate.cpp
@@ -31,7 +31,9 @@
 #include "sci/engine/state.h"
 #include "sci/engine/selector.h"
 #include "sci/engine/vm.h"
-#include "sci/graphics/gfx.h"
+#include "sci/graphics/cache.h"
+#include "sci/graphics/ports.h"
+#include "sci/graphics/paint16.h"
 #include "sci/graphics/view.h"
 #include "sci/graphics/screen.h"
 #include "sci/graphics/transitions.h"
@@ -39,8 +41,8 @@
 
 namespace Sci {
 
-SciGuiAnimate::SciGuiAnimate(EngineState *state, Gfx *gfx, Screen *screen, SciPalette *palette)
-	: _s(state), _gfx(gfx), _screen(screen), _palette(palette) {
+SciGuiAnimate::SciGuiAnimate(EngineState *state, GfxCache *cache, GfxPorts *ports, GfxPaint16 *paint16, Screen *screen, SciPalette *palette)
+	: _s(state), _cache(cache), _ports(ports), _paint16(paint16), _screen(screen), _palette(palette) {
 	init();
 }
 
@@ -211,7 +213,7 @@ void SciGuiAnimate::fill(byte &old_picNotValid) {
 		curObject = listEntry->object;
 
 		// Get the corresponding view
-		view = _gfx->getView(listEntry->viewId);
+		view = _cache->getView(listEntry->viewId);
 
 		// adjust loop and cel, if any of those is invalid
 		if (listEntry->loopNo >= view->getLoopCount()) {
@@ -238,7 +240,7 @@ void SciGuiAnimate::fill(byte &old_picNotValid) {
 
 		// Calculate current priority according to y-coordinate
 		if (!(signal & kSignalFixedPriority)) {
-			listEntry->priority = _gfx->CoordinateToPriority(listEntry->y);
+			listEntry->priority = _ports->coordinateToPriority(listEntry->y);
 			PUT_SEL32V(_s->_segMan, curObject, priority, listEntry->priority);
 		}
 
@@ -281,10 +283,10 @@ void SciGuiAnimate::update() {
 			if (!(signal & kSignalRemoveView)) {
 				bitsHandle = GET_SEL32(_s->_segMan, curObject, underBits);
 				if (_screen->_picNotValid != 1) {
-					_gfx->BitsRestore(bitsHandle);
+					_paint16->bitsRestore(bitsHandle);
 					listEntry->showBitsFlag = true;
 				} else	{
-					_gfx->BitsFree(bitsHandle);
+					_paint16->bitsFree(bitsHandle);
 				}
 				PUT_SEL32V(_s->_segMan, curObject, underBits, 0);
 			}
@@ -306,14 +308,14 @@ void SciGuiAnimate::update() {
 
 		if (signal & kSignalAlwaysUpdate) {
 			// draw corresponding cel
-			_gfx->drawCel(listEntry->viewId, listEntry->loopNo, listEntry->celNo, listEntry->celRect, listEntry->priority, listEntry->paletteNo, listEntry->scaleX, listEntry->scaleY);
+			_paint16->drawCel(listEntry->viewId, listEntry->loopNo, listEntry->celNo, listEntry->celRect, listEntry->priority, listEntry->paletteNo, listEntry->scaleX, listEntry->scaleY);
 			listEntry->showBitsFlag = true;
 
 			signal &= 0xFFFF ^ (kSignalStopUpdate | kSignalViewUpdated | kSignalNoUpdate | kSignalForceUpdate);
 			if ((signal & kSignalIgnoreActor) == 0) {
 				rect = listEntry->celRect;
-				rect.top = CLIP<int16>(_gfx->PriorityToCoordinate(listEntry->priority) - 1, rect.top, rect.bottom - 1);
-				_gfx->FillRect(rect, SCI_SCREEN_MASK_CONTROL, 0, 0, 15);
+				rect.top = CLIP<int16>(_ports->priorityToCoordinate(listEntry->priority) - 1, rect.top, rect.bottom - 1);
+				_paint16->fillRect(rect, SCI_SCREEN_MASK_CONTROL, 0, 0, 15);
 			}
 			listEntry->signal = signal;
 		}
@@ -333,9 +335,9 @@ void SciGuiAnimate::update() {
 			} else {
 				signal &= 0xFFFF ^ kSignalRemoveView;
 				if (signal & kSignalIgnoreActor)
-					bitsHandle = _gfx->BitsSave(listEntry->celRect, SCI_SCREEN_MASK_VISUAL|SCI_SCREEN_MASK_PRIORITY);
+					bitsHandle = _paint16->bitsSave(listEntry->celRect, SCI_SCREEN_MASK_VISUAL|SCI_SCREEN_MASK_PRIORITY);
 				else
-					bitsHandle = _gfx->BitsSave(listEntry->celRect, SCI_SCREEN_MASK_ALL);
+					bitsHandle = _paint16->bitsSave(listEntry->celRect, SCI_SCREEN_MASK_ALL);
 				PUT_SEL32(_s->_segMan, curObject, underBits, bitsHandle);
 			}
 			listEntry->signal = signal;
@@ -352,13 +354,13 @@ void SciGuiAnimate::update() {
 
 		if (signal & kSignalNoUpdate && !(signal & kSignalHidden)) {
 			// draw corresponding cel
-			_gfx->drawCel(listEntry->viewId, listEntry->loopNo, listEntry->celNo, listEntry->celRect, listEntry->priority, listEntry->paletteNo, listEntry->scaleX, listEntry->scaleY);
+			_paint16->drawCel(listEntry->viewId, listEntry->loopNo, listEntry->celNo, listEntry->celRect, listEntry->priority, listEntry->paletteNo, listEntry->scaleX, listEntry->scaleY);
 			listEntry->showBitsFlag = true;
 
 			if ((signal & kSignalIgnoreActor) == 0) {
 				rect = listEntry->celRect;
-				rect.top = CLIP<int16>(_gfx->PriorityToCoordinate(listEntry->priority) - 1, rect.top, rect.bottom - 1);
-				_gfx->FillRect(rect, SCI_SCREEN_MASK_CONTROL, 0, 0, 15);
+				rect.top = CLIP<int16>(_ports->priorityToCoordinate(listEntry->priority) - 1, rect.top, rect.bottom - 1);
+				_paint16->fillRect(rect, SCI_SCREEN_MASK_CONTROL, 0, 0, 15);
 			}
 		}
 		listIterator++;
@@ -383,11 +385,11 @@ void SciGuiAnimate::drawCels() {
 
 		if (!(signal & (kSignalNoUpdate | kSignalHidden | kSignalAlwaysUpdate))) {
 			// Save background
-			bitsHandle = _gfx->BitsSave(listEntry->celRect, SCI_SCREEN_MASK_ALL);
+			bitsHandle = _paint16->bitsSave(listEntry->celRect, SCI_SCREEN_MASK_ALL);
 			PUT_SEL32(_s->_segMan, curObject, underBits, bitsHandle);
 
 			// draw corresponding cel
-			_gfx->drawCel(listEntry->viewId, listEntry->loopNo, listEntry->celNo, listEntry->celRect, listEntry->priority, listEntry->paletteNo, listEntry->scaleX, listEntry->scaleY);
+			_paint16->drawCel(listEntry->viewId, listEntry->loopNo, listEntry->celNo, listEntry->celRect, listEntry->priority, listEntry->paletteNo, listEntry->scaleX, listEntry->scaleY);
 			listEntry->showBitsFlag = true;
 
 			if (signal & kSignalRemoveView) {
@@ -432,14 +434,14 @@ void SciGuiAnimate::updateScreen(byte oldPicNotValid) {
 				workerRect = lsRect;
 				workerRect.extend(listEntry->celRect);
 			} else {
-				_gfx->BitsShow(lsRect);
+				_paint16->bitsShow(lsRect);
 				workerRect = listEntry->celRect;
 			}
 			PUT_SEL32V(_s->_segMan, curObject, lsLeft, workerRect.left);
 			PUT_SEL32V(_s->_segMan, curObject, lsTop, workerRect.top);
 			PUT_SEL32V(_s->_segMan, curObject, lsRight, workerRect.right);
 			PUT_SEL32V(_s->_segMan, curObject, lsBottom, workerRect.bottom);
-			_gfx->BitsShow(workerRect);
+			_paint16->bitsShow(workerRect);
 
 			if (signal & kSignalHidden) {
 				listEntry->signal |= kSignalRemoveView;
@@ -481,7 +483,7 @@ void SciGuiAnimate::restoreAndDelete(int argc, reg_t *argv) {
 		signal = GET_SEL32V(_s->_segMan, curObject, signal);
 
 		if ((signal & (kSignalNoUpdate | kSignalRemoveView)) == 0) {
-			_gfx->BitsRestore(GET_SEL32(_s->_segMan, curObject, underBits));
+			_paint16->bitsRestore(GET_SEL32(_s->_segMan, curObject, underBits));
 			PUT_SEL32V(_s->_segMan, curObject, underBits, 0);
 		}
 
@@ -501,20 +503,20 @@ void SciGuiAnimate::reAnimate(Common::Rect rect) {
 		lastCastEntry = _lastCastData;
 		lastCastCount = _lastCastCount;
 		while (lastCastCount > 0) {
-			lastCastEntry->castHandle = _gfx->BitsSave(lastCastEntry->celRect, SCI_SCREEN_MASK_VISUAL|SCI_SCREEN_MASK_PRIORITY);
-			_gfx->drawCel(lastCastEntry->viewId, lastCastEntry->loopNo, lastCastEntry->celNo, lastCastEntry->celRect, lastCastEntry->priority, lastCastEntry->paletteNo, lastCastEntry->scaleX, lastCastEntry->scaleY);
+			lastCastEntry->castHandle = _paint16->bitsSave(lastCastEntry->celRect, SCI_SCREEN_MASK_VISUAL|SCI_SCREEN_MASK_PRIORITY);
+			_paint16->drawCel(lastCastEntry->viewId, lastCastEntry->loopNo, lastCastEntry->celNo, lastCastEntry->celRect, lastCastEntry->priority, lastCastEntry->paletteNo, lastCastEntry->scaleX, lastCastEntry->scaleY);
 			lastCastEntry++; lastCastCount--;
 		}
-		_gfx->BitsShow(rect);
+		_paint16->bitsShow(rect);
 		// restoring
 		lastCastCount = _lastCastCount;
 		while (lastCastCount > 0) {
 			lastCastEntry--;
-			_gfx->BitsRestore(lastCastEntry->castHandle);
+			_paint16->bitsRestore(lastCastEntry->castHandle);
 			lastCastCount--;
 		}
 	} else {
-		_gfx->BitsShow(rect);
+		_paint16->bitsShow(rect);
 	}
 
 	/*
@@ -553,19 +555,19 @@ void SciGuiAnimate::addToPicDrawCels() {
 		curObject = listEntry->object;
 
 		if (listEntry->priority == -1)
-			listEntry->priority = _gfx->CoordinateToPriority(listEntry->y);
+			listEntry->priority = _ports->coordinateToPriority(listEntry->y);
 
 		// Get the corresponding view
-		view = _gfx->getView(listEntry->viewId);
+		view = _cache->getView(listEntry->viewId);
 
 		// Create rect according to coordinates and given cel
 		view->getCelRect(listEntry->loopNo, listEntry->celNo, listEntry->x, listEntry->y, listEntry->z, &listEntry->celRect);
 
 		// draw corresponding cel
-		_gfx->drawCel(listEntry->viewId, listEntry->loopNo, listEntry->celNo, listEntry->celRect, listEntry->priority, listEntry->paletteNo);
+		_paint16->drawCel(listEntry->viewId, listEntry->loopNo, listEntry->celNo, listEntry->celRect, listEntry->priority, listEntry->paletteNo);
 		if ((listEntry->signal & kSignalIgnoreActor) == 0) {
-			listEntry->celRect.top = CLIP<int16>(_gfx->PriorityToCoordinate(listEntry->priority) - 1, listEntry->celRect.top, listEntry->celRect.bottom - 1);
-			_gfx->FillRect(listEntry->celRect, SCI_SCREEN_MASK_CONTROL, 0, 0, 15);
+			listEntry->celRect.top = CLIP<int16>(_ports->priorityToCoordinate(listEntry->priority) - 1, listEntry->celRect.top, listEntry->celRect.bottom - 1);
+			_paint16->fillRect(listEntry->celRect, SCI_SCREEN_MASK_CONTROL, 0, 0, 15);
 		}
 
 		listIterator++;
@@ -573,12 +575,12 @@ void SciGuiAnimate::addToPicDrawCels() {
 }
 
 void SciGuiAnimate::addToPicDrawView(GuiResourceId viewId, int16 loopNo, int16 celNo, int16 leftPos, int16 topPos, int16 priority, int16 control) {
-	View *view = _gfx->getView(viewId);
+	View *view = _cache->getView(viewId);
 	Common::Rect celRect;
 
 	// Create rect according to coordinates and given cel
 	view->getCelRect(loopNo, celNo, leftPos, topPos, priority, &celRect);
-	_gfx->drawCel(view, loopNo, celNo, celRect, priority, 0);
+	_paint16->drawCel(view, loopNo, celNo, celRect, priority, 0);
 }
 
 } // End of namespace Sci
diff --git a/engines/sci/graphics/animate.h b/engines/sci/graphics/animate.h
index db09342d4b..8dae1a6d46 100644
--- a/engines/sci/graphics/animate.h
+++ b/engines/sci/graphics/animate.h
@@ -56,13 +56,15 @@ enum ViewScaleSignals {
 	kScaleSignalUnknown2	= 0x0004 // really unknown
 };
 
-class Gfx;
+class GfxCache;
+class GfxPorts;
+class GfxPaint16;
 class Screen;
 class SciPalette;
 class Transitions;
 class SciGuiAnimate {
 public:
-	SciGuiAnimate(EngineState *state, Gfx *gfx, Screen *screen, SciPalette *palette);
+	SciGuiAnimate(EngineState *state, GfxCache *cache, GfxPorts *ports, GfxPaint16 *paint16, Screen *screen, SciPalette *palette);
 	~SciGuiAnimate();
 
 	// FIXME: Don't store EngineState
@@ -86,7 +88,9 @@ private:
 	void init();
 
 	EngineState *_s;
-	Gfx *_gfx;
+	GfxCache *_cache;
+	GfxPorts *_ports;
+	GfxPaint16 *_paint16;
 	Screen *_screen;
 	SciPalette *_palette;
 
diff --git a/engines/sci/graphics/cache.cpp b/engines/sci/graphics/cache.cpp
new file mode 100644
index 0000000000..2d204a2314
--- /dev/null
+++ b/engines/sci/graphics/cache.cpp
@@ -0,0 +1,66 @@
+/* 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.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#include "common/util.h"
+#include "common/stack.h"
+#include "graphics/primitives.h"
+
+#include "sci/sci.h"
+#include "sci/engine/state.h"
+#include "sci/engine/selector.h"
+#include "sci/graphics/cache.h"
+#include "sci/graphics/font.h"
+#include "sci/graphics/view.h"
+
+namespace Sci {
+
+GfxCache::GfxCache(ResourceManager *resMan, Screen *screen, SciPalette *palette)
+	: _resMan(resMan), _screen(screen), _palette(palette) {
+}
+
+GfxCache::~GfxCache() {
+	purgeCache();
+}
+
+void GfxCache::purgeCache() {
+	for (ViewCache::iterator iter = _cachedViews.begin(); iter != _cachedViews.end(); ++iter) {
+		delete iter->_value;
+		iter->_value = 0;
+	}
+
+	_cachedViews.clear();
+}
+
+View *GfxCache::getView(GuiResourceId viewNum) {
+	if (_cachedViews.size() >= MAX_CACHED_VIEWS)
+		purgeCache();
+
+	if (!_cachedViews.contains(viewNum))
+		_cachedViews[viewNum] = new View(_resMan, _screen, _palette, viewNum);
+
+	return _cachedViews[viewNum];
+}
+
+} // End of namespace Sci
diff --git a/engines/sci/graphics/windowmgr.h b/engines/sci/graphics/cache.h
index dca6642000..1585003d0e 100644
--- a/engines/sci/graphics/windowmgr.h
+++ b/engines/sci/graphics/cache.h
@@ -23,47 +23,35 @@
  *
  */
 
-#ifndef SCI_GRAPHICS_WINDOWMGR_H
-#define SCI_GRAPHICS_WINDOWMGR_H
+#ifndef SCI_GRAPHICS_CACHE_H
+#define SCI_GRAPHICS_CACHE_H
 
-#include "common/list.h"
-#include "common/array.h"
+#include "sci/graphics/gui.h"
 
-namespace Sci {
+#include "common/hashmap.h"
 
-class WindowMgr {
-public:
-	WindowMgr(SciGui *gui, Screen *screen, Gfx *gfx, Text *text);
-	~WindowMgr();
+namespace Sci {
 
-	void init(Common::String gameId);
+class Font;
+class View;
 
-	int16 isFrontWindow(Window *wnd);
-	void BeginUpdate(Window *wnd);
-	void EndUpdate(Window *wnd);
-	Window *NewWindow(const Common::Rect &dims, const Common::Rect *restoreRect, const char *title, uint16 style, int16 priority, bool draw);
-	void DrawWindow(Window *wnd);
-	void DisposeWindow(Window *pWnd, bool reanimate);
-	void UpdateWindow(Window *wnd);
+typedef Common::HashMap<int, View *> ViewCache;
 
-	Port *getPortById(uint16 id);
+class GfxCache {
+public:
+	GfxCache(ResourceManager *resMan, Screen *screen, SciPalette *palette);
+	~GfxCache();
 
-	Port *_wmgrPort;
-	Window *_picWind;
+	View *getView(GuiResourceId viewNum);
 
 private:
-	typedef Common::List<Port *> PortList;
+	void purgeCache();
 
-	SciGui *_gui;
+	ResourceManager *_resMan;
 	Screen *_screen;
-	Gfx *_gfx;
-	Text *_text;
-
-	/** The list of open 'windows' (and ports), in visual order. */
-	PortList _windowList;
+	SciPalette *_palette;
 
-	/** The list of all open 'windows' (and ports), ordered by their id. */
-	Common::Array<Port *> _windowsById;
+	ViewCache _cachedViews;
 };
 
 } // End of namespace Sci
diff --git a/engines/sci/graphics/compare.cpp b/engines/sci/graphics/compare.cpp
new file mode 100644
index 0000000000..e00fd52cba
--- /dev/null
+++ b/engines/sci/graphics/compare.cpp
@@ -0,0 +1,131 @@
+/* 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.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#include "common/util.h"
+#include "common/stack.h"
+#include "graphics/primitives.h"
+
+#include "sci/sci.h"
+#include "sci/engine/state.h"
+#include "sci/engine/selector.h"
+#include "sci/graphics/compare.h"
+#include "sci/graphics/animate.h"
+#include "sci/graphics/cache.h"
+#include "sci/graphics/screen.h"
+#include "sci/graphics/view.h"
+
+namespace Sci {
+
+GfxCompare::GfxCompare(SegManager *segMan, Kernel *kernel, GfxCache *cache, Screen *screen)
+	: _segMan(segMan), _kernel(kernel), _cache(cache), _screen(screen) {
+}
+
+GfxCompare::~GfxCompare() {
+}
+
+uint16 GfxCompare::onControl(uint16 screenMask, Common::Rect rect) {
+	int16 x, y;
+	uint16 result = 0;
+
+	if (rect.isEmpty())
+		return 0;
+
+	if (screenMask & SCI_SCREEN_MASK_PRIORITY) {
+		for (y = rect.top; y < rect.bottom; y++) {
+			for (x = rect.left; x < rect.right; x++) {
+				result |= 1 << _screen->getPriority(x, y);
+			}
+		}
+	} else {
+		for (y = rect.top; y < rect.bottom; y++) {
+			for (x = rect.left; x < rect.right; x++) {
+				result |= 1 << _screen->getControl(x, y);
+			}
+		}
+	}
+	return result;
+}
+
+static inline int sign_extend_byte(int value) {
+	if (value & 0x80)
+		return value - 256;
+	else
+		return value;
+}
+
+bool GfxCompare::CanBeHereCheckRectList(reg_t checkObject, Common::Rect checkRect, List *list) {
+	reg_t curAddress = list->first;
+	Node *curNode = _segMan->lookupNode(curAddress);
+	reg_t curObject;
+	uint16 signal;
+	Common::Rect curRect;
+
+	while (curNode) {
+		curObject = curNode->value;
+		if (curObject != checkObject) {
+			signal = GET_SEL32V(_segMan, curObject, signal);
+			if ((signal & (kSignalIgnoreActor | kSignalRemoveView | kSignalNoUpdate)) == 0) {
+				curRect.left = GET_SEL32V(_segMan, curObject, brLeft);
+				curRect.top = GET_SEL32V(_segMan, curObject, brTop);
+				curRect.right = GET_SEL32V(_segMan, curObject, brRight);
+				curRect.bottom = GET_SEL32V(_segMan, curObject, brBottom);
+				// Check if curRect is within checkRect
+				if (curRect.right > checkRect.left && curRect.left < checkRect.right && curRect.bottom > checkRect.top && curRect.top < checkRect.bottom) {
+					return false;
+				}
+			}
+		}
+		curAddress = curNode->succ;
+		curNode = _segMan->lookupNode(curAddress);
+	}
+	return true;
+}
+
+void GfxCompare::SetNowSeen(reg_t objectReference) {
+	View *view = NULL;
+	Common::Rect celRect(0, 0);
+	GuiResourceId viewId = (GuiResourceId)GET_SEL32V(_segMan, objectReference, view);
+	int16 loopNo = sign_extend_byte((int16)GET_SEL32V(_segMan, objectReference, loop));
+	int16 celNo = sign_extend_byte((int16)GET_SEL32V(_segMan, objectReference, cel));
+	int16 x = (int16)GET_SEL32V(_segMan, objectReference, x);
+	int16 y = (int16)GET_SEL32V(_segMan, objectReference, y);
+	int16 z = 0;
+	if (_kernel->_selectorCache.z > -1)
+		z = (int16)GET_SEL32V(_segMan, objectReference, z);
+
+	// now get cel rectangle
+	view = _cache->getView(viewId);
+	view->getCelRect(loopNo, celNo, x, y, z, &celRect);
+
+	// TODO: sometimes loop is negative. Check what it means
+	if (lookup_selector(_segMan, objectReference, _kernel->_selectorCache.nsTop, NULL, NULL) == kSelectorVariable) {
+		PUT_SEL32V(_segMan, objectReference, nsLeft, celRect.left);
+		PUT_SEL32V(_segMan, objectReference, nsRight, celRect.right);
+		PUT_SEL32V(_segMan, objectReference, nsTop, celRect.top);
+		PUT_SEL32V(_segMan, objectReference, nsBottom, celRect.bottom);
+	}
+}
+
+} // End of namespace Sci
diff --git a/engines/sci/graphics/compare.h b/engines/sci/graphics/compare.h
new file mode 100644
index 0000000000..f759aad0aa
--- /dev/null
+++ b/engines/sci/graphics/compare.h
@@ -0,0 +1,55 @@
+/* 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.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#ifndef SCI_GRAPHICS_GFX_H
+#define SCI_GRAPHICS_GFX_H
+
+#include "sci/graphics/gui.h"
+
+#include "common/hashmap.h"
+
+namespace Sci {
+
+class Screen;
+
+class GfxCompare {
+public:
+	GfxCompare(SegManager *segMan, Kernel *kernel, GfxCache *cache, Screen *screen);
+	~GfxCompare();
+
+	uint16 onControl(uint16 screenMask, Common::Rect rect);
+	bool CanBeHereCheckRectList(reg_t checkObject, Common::Rect checkRect, List *list);
+	void SetNowSeen(reg_t objectReference);
+
+private:
+	SegManager *_segMan;
+	Kernel *_kernel;
+	GfxCache *_cache;
+	Screen *_screen;
+};
+
+} // End of namespace Sci
+
+#endif
diff --git a/engines/sci/graphics/controls.cpp b/engines/sci/graphics/controls.cpp
index 24336b47da..2b097aaa26 100644
--- a/engines/sci/graphics/controls.cpp
+++ b/engines/sci/graphics/controls.cpp
@@ -31,15 +31,16 @@
 #include "sci/event.h"
 #include "sci/engine/state.h"
 #include "sci/engine/selector.h"
-#include "sci/graphics/gfx.h"
+#include "sci/graphics/ports.h"
+#include "sci/graphics/paint16.h"
 #include "sci/graphics/font.h"
 #include "sci/graphics/text.h"
 #include "sci/graphics/controls.h"
 
 namespace Sci {
 
-Controls::Controls(SegManager *segMan, Gfx *gfx, Text *text)
-	: _segMan(segMan), _gfx(gfx), _text(text) {
+Controls::Controls(SegManager *segMan, GfxPorts *ports, GfxPaint16 *paint16, Text *text)
+	: _segMan(segMan), _ports(ports), _paint16(paint16), _text(text) {
 	init();
 }
 
@@ -56,7 +57,7 @@ const char controlListDownArrow[2]	= { 0x19, 0 };
 void Controls::drawListControl(Common::Rect rect, reg_t obj, int16 maxChars, int16 count, const char **entries, GuiResourceId fontId, int16 upperPos, int16 cursorPos, bool isAlias) {
 	Common::Rect workerRect = rect;
 	GuiResourceId oldFontId = _text->GetFontId();
-	int16 oldPenColor = _gfx->_curPort->penClr;
+	int16 oldPenColor = _ports->_curPort->penClr;
 	uint16 fontSize = 0;
 	int16 i;
 	const char *listEntry;
@@ -64,9 +65,9 @@ void Controls::drawListControl(Common::Rect rect, reg_t obj, int16 maxChars, int
 	int16 lastYpos;
 
 	// draw basic window
-	_gfx->EraseRect(workerRect);
+	_paint16->eraseRect(workerRect);
 	workerRect.grow(1);
-	_gfx->FrameRect(workerRect);
+	_paint16->frameRect(workerRect);
 
 	// draw UP/DOWN arrows
 	//  we draw UP arrow one pixel lower than sierra did, because it looks nicer. Also the DOWN arrow has one pixel
@@ -79,25 +80,25 @@ void Controls::drawListControl(Common::Rect rect, reg_t obj, int16 maxChars, int
 	// Draw inner lines
 	workerRect.top = rect.top + 9;
 	workerRect.bottom -= 10;
-	_gfx->FrameRect(workerRect);
+	_paint16->frameRect(workerRect);
 	workerRect.grow(-1);
 
 	_text->SetFont(fontId);
-	fontSize = _gfx->_curPort->fontHeight;
-	_gfx->PenColor(_gfx->_curPort->penClr); _gfx->BackColor(_gfx->_curPort->backClr);
+	fontSize = _ports->_curPort->fontHeight;
+	_ports->penColor(_ports->_curPort->penClr); _ports->backColor(_ports->_curPort->backClr);
 	workerRect.bottom = workerRect.top + 9;
 	lastYpos = rect.bottom - fontSize;
 
 	// Write actual text
 	for (i = upperPos; i < count; i++) {
-		_gfx->EraseRect(workerRect);
+		_paint16->eraseRect(workerRect);
 		listEntry = entries[i];
 		if (listEntry[0]) {
-			_gfx->MoveTo(workerRect.left, workerRect.top);
+			_ports->moveTo(workerRect.left, workerRect.top);
 			listEntryLen = strlen(listEntry);
 			_text->Draw(listEntry, 0, MIN(maxChars, listEntryLen), oldFontId, oldPenColor);
 			if ((!isAlias) && (i == cursorPos)) {
-				_gfx->InvertRect(workerRect);
+				_paint16->invertRect(workerRect);
 			}
 		}
 		workerRect.translate(0, fontSize);
@@ -119,8 +120,8 @@ void Controls::TexteditCursorDraw(Common::Rect rect, const char *text, uint16 cu
 		_texteditCursorRect.top = rect.top;
 		_texteditCursorRect.bottom = _texteditCursorRect.top + _text->_font->getHeight();
 		_texteditCursorRect.right = _texteditCursorRect.left + (text[curPos] == 0 ? 1 : _text->_font->getCharWidth(text[curPos]));
-		_gfx->InvertRect(_texteditCursorRect);
-		_gfx->BitsShow(_texteditCursorRect);
+		_paint16->invertRect(_texteditCursorRect);
+		_paint16->bitsShow(_texteditCursorRect);
 		_texteditCursorVisible = true;
 		TexteditSetBlinkTime();
 	}
@@ -128,8 +129,8 @@ void Controls::TexteditCursorDraw(Common::Rect rect, const char *text, uint16 cu
 
 void Controls::TexteditCursorErase() {
 	if (_texteditCursorVisible) {
-		_gfx->InvertRect(_texteditCursorRect);
-		_gfx->BitsShow(_texteditCursorRect);
+		_paint16->invertRect(_texteditCursorRect);
+		_paint16->bitsShow(_texteditCursorRect);
 		_texteditCursorVisible = false;
 	}
 	TexteditSetBlinkTime();
@@ -209,9 +210,9 @@ void Controls::TexteditChange(reg_t controlObject, reg_t eventObject) {
 		rect = Common::Rect(GET_SEL32V(_segMan, controlObject, nsLeft), GET_SEL32V(_segMan, controlObject, nsTop),
 							  GET_SEL32V(_segMan, controlObject, nsRight), GET_SEL32V(_segMan, controlObject, nsBottom));
 		TexteditCursorErase();
-		_gfx->EraseRect(rect);
+		_paint16->eraseRect(rect);
 		_text->Box(text.c_str(), 0, rect, SCI_TEXT_ALIGNMENT_LEFT, fontId);
-		_gfx->BitsShow(rect);
+		_paint16->bitsShow(rect);
 		_text->SetFont(fontId);
 		TexteditCursorDraw(rect, text.c_str(), cursorPos);
 		_text->SetFont(oldFontId);
@@ -219,8 +220,8 @@ void Controls::TexteditChange(reg_t controlObject, reg_t eventObject) {
 		_segMan->strcpy(textReference, text.c_str());
 	} else {
 		if (g_system->getMillis() >= _texteditBlinkTime) {
-			_gfx->InvertRect(_texteditCursorRect);
-			_gfx->BitsShow(_texteditCursorRect);
+			_paint16->invertRect(_texteditCursorRect);
+			_paint16->bitsShow(_texteditCursorRect);
 			_texteditCursorVisible = !_texteditCursorVisible;
 			TexteditSetBlinkTime();
 		}
diff --git a/engines/sci/graphics/controls.h b/engines/sci/graphics/controls.h
index 161dc1a1be..35c1098a0f 100644
--- a/engines/sci/graphics/controls.h
+++ b/engines/sci/graphics/controls.h
@@ -28,12 +28,13 @@
 
 namespace Sci {
 
-class Gfx;
+class GfxPorts;
+class GfxPaint16;
 class Font;
 class Text;
 class Controls {
 public:
-	Controls(SegManager *segMan, Gfx *gfx, Text *text);
+	Controls(SegManager *segMan, GfxPorts *ports, GfxPaint16 *paint16, Text *text);
 	~Controls();
 
 	void drawListControl(Common::Rect rect, reg_t obj, int16 maxChars, int16 count, const char **entries, GuiResourceId fontId, int16 upperPos, int16 cursorPos, bool isAlias);
@@ -46,7 +47,8 @@ private:
 	void TexteditSetBlinkTime();
 
 	SegManager *_segMan;
-	Gfx *_gfx;
+	GfxPorts *_ports;
+	GfxPaint16 *_paint16;
 	Text *_text;
 
 	// Textedit-Control related
diff --git a/engines/sci/graphics/gfx.cpp b/engines/sci/graphics/gfx.cpp
deleted file mode 100644
index 652ec2eb58..0000000000
--- a/engines/sci/graphics/gfx.cpp
+++ /dev/null
@@ -1,613 +0,0 @@
-/* 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.
- *
- * $URL$
- * $Id$
- *
- */
-
-#include "common/util.h"
-#include "common/stack.h"
-#include "graphics/primitives.h"
-
-#include "sci/sci.h"
-#include "sci/engine/state.h"
-#include "sci/engine/selector.h"
-#include "sci/graphics/gfx.h"
-#include "sci/graphics/animate.h"
-#include "sci/graphics/font.h"
-#include "sci/graphics/picture.h"
-#include "sci/graphics/view.h"
-#include "sci/graphics/screen.h"
-#include "sci/graphics/palette.h"
-#include "sci/graphics/text.h"
-
-namespace Sci {
-
-Gfx::Gfx(ResourceManager *resMan, SegManager *segMan, Kernel *kernel, Screen *screen, SciPalette *palette)
-	: _resMan(resMan), _segMan(segMan), _kernel(kernel), _screen(screen), _palette(palette) {
-}
-
-Gfx::~Gfx() {
-	purgeCache();
-
-	delete _mainPort;
-	delete _menuPort;
-}
-
-void Gfx::init(Text *text) {
-	_text = text;
-
-	// _mainPort is not known to windowmanager, that's okay according to sierra sci
-	//  its not even used currently in our engine
-	_mainPort = new Port(0);
-	SetPort(_mainPort);
-	OpenPort(_mainPort);
-
-	// _menuPort has actually hardcoded id 0xFFFF. Its not meant to be known to windowmanager according to sierra sci
-	_menuPort = new Port(0xFFFF);
-	OpenPort(_menuPort);
-	_text->SetFont(0);
-	_menuPort->rect = Common::Rect(0, 0, _screen->getWidth(), _screen->getHeight());
-	_menuBarRect = Common::Rect(0, 0, _screen->getWidth(), 9);
-	_menuRect = Common::Rect(0, 0, _screen->getWidth(), 10);
-	_menuLine = Common::Rect(0, 9, _screen->getWidth(), 10);
-
-	_EGAdrawingVisualize = false;
-
-	priorityBandsMemoryActive = false;
-}
-
-void Gfx::purgeCache() {
-	for (ViewCache::iterator iter = _cachedViews.begin(); iter != _cachedViews.end(); ++iter) {
-		delete iter->_value;
-		iter->_value = 0;
-	}
-
-	_cachedViews.clear();
-}
-
-View *Gfx::getView(GuiResourceId viewNum) {
-	if (_cachedViews.size() >= MAX_CACHED_VIEWS)
-		purgeCache();
-
-	if (!_cachedViews.contains(viewNum))
-		_cachedViews[viewNum] = new View(_resMan, _screen, _palette, viewNum);
-
-	return _cachedViews[viewNum];
-}
-
-Port *Gfx::SetPort(Port *newPort) {
-	Port *oldPort = _curPort;
-	_curPort = newPort;
-	return oldPort;
-}
-
-Port *Gfx::GetPort() {
-	return _curPort;
-}
-
-void Gfx::SetOrigin(int16 left, int16 top) {
-	_curPort->left = left;
-	_curPort->top = top;
-}
-
-void Gfx::MoveTo(int16 left, int16 top) {
-	_curPort->curTop = top;
-	_curPort->curLeft = left;
-}
-
-void Gfx::Move(int16 left, int16 top) {
-	_curPort->curTop += top;
-	_curPort->curLeft += left;
-}
-
-void Gfx::OpenPort(Port *port) {
-	port->fontId = 0;
-	port->fontHeight = 8;
-
-	Port *tmp = _curPort;
-	_curPort = port;
-	_text->SetFont(port->fontId);
-	_curPort = tmp;
-
-	port->top = 0;
-	port->left = 0;
-	port->greyedOutput = false;
-	port->penClr = 0;
-	port->backClr = 255;
-	port->penMode = 0;
-	port->rect = _bounds;
-}
-
-void Gfx::PenColor(int16 color) {
-	_curPort->penClr = color;
-}
-
-void Gfx::BackColor(int16 color) {
-	_curPort->backClr = color;
-}
-
-void Gfx::PenMode(int16 mode) {
-	_curPort->penMode = mode;
-}
-
-void Gfx::TextGreyedOutput(bool state) {
-	_curPort->greyedOutput = state;
-}
-
-int16 Gfx::GetPointSize() {
-	return _curPort->fontHeight;
-}
-
-void Gfx::ClearScreen(byte color) {
-	FillRect(_curPort->rect, SCI_SCREEN_MASK_ALL, color, 0, 0);
-}
-
-void Gfx::InvertRect(const Common::Rect &rect) {
-	int16 oldpenmode = _curPort->penMode;
-	_curPort->penMode = 2;
-	FillRect(rect, 1, _curPort->penClr, _curPort->backClr);
-	_curPort->penMode = oldpenmode;
-}
-
-void Gfx::EraseRect(const Common::Rect &rect) {
-	FillRect(rect, 1, _curPort->backClr);
-}
-
-void Gfx::PaintRect(const Common::Rect &rect) {
-	FillRect(rect, 1, _curPort->penClr);
-}
-
-void Gfx::FillRect(const Common::Rect &rect, int16 drawFlags, byte clrPen, byte clrBack, byte bControl) {
-	Common::Rect r = rect;
-	r.clip(_curPort->rect);
-	if (r.isEmpty()) // nothing to fill
-		return;
-
-	int16 oldPenMode = _curPort->penMode;
-	OffsetRect(r);
-	int16 x, y;
-	byte curVisual;
-
-	// Doing visual first
-	if (drawFlags & SCI_SCREEN_MASK_VISUAL) {
-		if (oldPenMode == 2) { // invert mode
-			for (y = r.top; y < r.bottom; y++) {
-				for (x = r.left; x < r.right; x++) {
-					curVisual = _screen->getVisual(x, y);
-					if (curVisual == clrPen) {
-						_screen->putPixel(x, y, 1, clrBack, 0, 0);
-					} else if (curVisual == clrBack) {
-						_screen->putPixel(x, y, 1, clrPen, 0, 0);
-					}
-				}
-			}
-		} else { // just fill rect with ClrPen
-			for (y = r.top; y < r.bottom; y++) {
-				for (x = r.left; x < r.right; x++) {
-					_screen->putPixel(x, y, 1, clrPen, 0, 0);
-				}
-			}
-		}
-	}
-
-	if (drawFlags < 2)
-		return;
-	drawFlags &= SCI_SCREEN_MASK_PRIORITY|SCI_SCREEN_MASK_CONTROL;
-
-	if (oldPenMode != 2) {
-		for (y = r.top; y < r.bottom; y++) {
-			for (x = r.left; x < r.right; x++) {
-				_screen->putPixel(x, y, drawFlags, 0, clrBack, bControl);
-			}
-		}
-	} else {
-		for (y = r.top; y < r.bottom; y++) {
-			for (x = r.left; x < r.right; x++) {
-				_screen->putPixel(x, y, drawFlags, 0, !_screen->getPriority(x, y), !_screen->getControl(x, y));
-			}
-		}
-	}
-}
-
-void Gfx::FrameRect(const Common::Rect &rect) {
-	Common::Rect r;
-	// left
-	r = rect;
-	r.right = rect.left + 1;
-	PaintRect(r);
-	// right
-	r.right = rect.right;
-	r.left = rect.right - 1;
-	PaintRect(r);
-	//top
-	r.left = rect.left;
-	r.bottom = rect.top + 1;
-	PaintRect(r);
-	//bottom
-	r.bottom = rect.bottom;
-	r.top = rect.bottom - 1;
-	PaintRect(r);
-}
-
-void Gfx::OffsetRect(Common::Rect &r) {
-	r.top += _curPort->top;
-	r.bottom += _curPort->top;
-	r.left += _curPort->left;
-	r.right += _curPort->left;
-}
-
-void Gfx::OffsetLine(Common::Point &start, Common::Point &end) {
-	start.x += _curPort->left;
-	start.y += _curPort->top;
-	end.x += _curPort->left;
-	end.y += _curPort->top;
-}
-
-void Gfx::BitsShow(const Common::Rect &rect) {
-	Common::Rect workerRect(rect.left, rect.top, rect.right, rect.bottom);
-	workerRect.clip(_curPort->rect);
-	if (workerRect.isEmpty()) // nothing to show
-		return;
-
-	OffsetRect(workerRect);
-	_screen->copyRectToScreen(workerRect);
-}
-
-void Gfx::BitsShowHires(const Common::Rect &rect) {
-	_screen->copyDisplayRectToScreen(rect);
-}
-
-reg_t Gfx::BitsSave(const Common::Rect &rect, byte screenMask) {
-	reg_t memoryId;
-	byte *memoryPtr;
-	int size;
-
-	Common::Rect workerRect(rect.left, rect.top, rect.right, rect.bottom);
-	workerRect.clip(_curPort->rect);
-	if (workerRect.isEmpty()) // nothing to save
-		return NULL_REG;
-
-	if (screenMask == SCI_SCREEN_MASK_DISPLAY) {
-		// Adjust rect to upscaled hires, but dont adjust according to port
-		workerRect.top *= 2; workerRect.bottom *= 2; workerRect.bottom++;
-		workerRect.left *= 2; workerRect.right *= 2; workerRect.right++;
-	} else {
-		OffsetRect(workerRect);
-	}
-
-	// now actually ask _screen how much space it will need for saving
-	size = _screen->bitsGetDataSize(workerRect, screenMask);
-
-	memoryId = kalloc(_segMan, "SaveBits()", size);
-	memoryPtr = kmem(_segMan, memoryId);
-	_screen->bitsSave(workerRect, screenMask, memoryPtr);
-	return memoryId;
-}
-
-void Gfx::BitsGetRect(reg_t memoryHandle, Common::Rect *destRect) {
-	byte *memoryPtr = NULL;
-
-	if (!memoryHandle.isNull()) {
-		memoryPtr = kmem(_segMan, memoryHandle);
-
-		if (memoryPtr) {
-			_screen->bitsGetRect(memoryPtr, destRect);
-		}
-	}
-}
-
-void Gfx::BitsRestore(reg_t memoryHandle) {
-	byte *memoryPtr = NULL;
-
-	if (!memoryHandle.isNull()) {
-		memoryPtr = kmem(_segMan, memoryHandle);
-
-		if (memoryPtr) {
-			_screen->bitsRestore(memoryPtr);
-			kfree(_segMan, memoryHandle);
-		}
-	}
-}
-
-void Gfx::BitsFree(reg_t memoryHandle) {
-	if (!memoryHandle.isNull()) {
-		kfree(_segMan, memoryHandle);
-	}
-}
-
-void Gfx::setEGAdrawingVisualize(bool state) {
-	_EGAdrawingVisualize = state;
-}
-
-void Gfx::drawPicture(GuiResourceId pictureId, int16 animationNr, bool mirroredFlag, bool addToFlag, GuiResourceId paletteId) {
-	SciGuiPicture *picture = new SciGuiPicture(_resMan, this, _screen, _palette, pictureId, _EGAdrawingVisualize);
-
-	// do we add to a picture? if not -> clear screen with white
-	if (!addToFlag)
-		ClearScreen(_screen->getColorWhite());
-
-	picture->draw(animationNr, mirroredFlag, addToFlag, paletteId);
-	delete picture;
-}
-
-// This one is the only one that updates screen!
-void Gfx::drawCelAndShow(GuiResourceId viewId, int16 loopNo, int16 celNo, uint16 leftPos, uint16 topPos, byte priority, uint16 paletteNo, uint16 scaleX, uint16 scaleY) {
-	View *view = getView(viewId);
-	Common::Rect celRect;
-
-	if (view) {
-		celRect.left = leftPos;
-		celRect.top = topPos;
-		celRect.right = celRect.left + view->getWidth(loopNo, celNo);
-		celRect.bottom = celRect.top + view->getHeight(loopNo, celNo);
-
-		drawCel(view, loopNo, celNo, celRect, priority, paletteNo, scaleX, scaleY);
-
-		if (getSciVersion() >= SCI_VERSION_1_1) {
-			if (!_screen->_picNotValidSci11) {
-				BitsShow(celRect);
-			}
-		} else {
-			if (!_screen->_picNotValid)
-				BitsShow(celRect);
-		}
-	}
-}
-
-// This version of drawCel is not supposed to call BitsShow()!
-void Gfx::drawCel(GuiResourceId viewId, int16 loopNo, int16 celNo, Common::Rect celRect, byte priority, uint16 paletteNo, uint16 scaleX, uint16 scaleY) {
-	drawCel(getView(viewId), loopNo, celNo, celRect, priority, paletteNo, scaleX, scaleY);
-}
-
-// This version of drawCel is not supposed to call BitsShow()!
-void Gfx::drawCel(View *view, int16 loopNo, int16 celNo, Common::Rect celRect, byte priority, uint16 paletteNo, uint16 scaleX, uint16 scaleY) {
-	Common::Rect clipRect = celRect;
-	clipRect.clip(_curPort->rect);
-	if (clipRect.isEmpty()) // nothing to draw
-		return;
-
-	Common::Rect clipRectTranslated = clipRect;
-	OffsetRect(clipRectTranslated);
-	if (scaleX == 128 && scaleY == 128) {
-		view->draw(celRect, clipRect, clipRectTranslated, loopNo, celNo, priority, paletteNo, false);
-	} else {
-		view->drawScaled(celRect, clipRect, clipRectTranslated, loopNo, celNo, priority, scaleX, scaleY);
-	}
-}
-
-// This is used as replacement for drawCelAndShow() when hires-cels are drawn to screen
-//  Hires-cels are available only SCI 1.1+
-void Gfx::drawHiresCelAndShow(GuiResourceId viewId, int16 loopNo, int16 celNo, uint16 leftPos, uint16 topPos, byte priority, uint16 paletteNo, reg_t upscaledHiresHandle, uint16 scaleX, uint16 scaleY) {
-	View *view = getView(viewId);
-	Common::Rect celRect, curPortRect, clipRect, clipRectTranslated;
-	Common::Point curPortPos;
-	bool upscaledHiresHack = false;
-
-	if (view) {
-		if ((leftPos == 0) && (topPos == 0)) {
-			// HACK: in kq6, we get leftPos&topPos == 0 SOMETIMES, that's why we need to get coordinates from upscaledHiresHandle
-			//  I'm not sure if this is what we are supposed to do or if there is some other bug that actually makes
-			//  coordinates to be 0 in the first place
-			byte *memoryPtr = NULL;
-			memoryPtr = kmem(_segMan, upscaledHiresHandle);
-			if (memoryPtr) {
-				Common::Rect upscaledHiresRect;
-				_screen->bitsGetRect(memoryPtr, &upscaledHiresRect);
-				leftPos = upscaledHiresRect.left;
-				topPos = upscaledHiresRect.top;
-				upscaledHiresHack = true;
-			}
-		}
-
-		celRect.left = leftPos;
-		celRect.top = topPos;
-		celRect.right = celRect.left + view->getWidth(loopNo, celNo);
-		celRect.bottom = celRect.top + view->getHeight(loopNo, celNo);
-		// adjust curPort to upscaled hires
-		clipRect = celRect;
-		curPortRect = _curPort->rect;
-		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;
-
-		clipRectTranslated = clipRect;
-		if (!upscaledHiresHack) {
-			curPortPos.x = _curPort->left * 2; curPortPos.y = _curPort->top * 2;
-			clipRectTranslated.top += curPortPos.y; clipRectTranslated.bottom += curPortPos.y;
-			clipRectTranslated.left += curPortPos.x; clipRectTranslated.right += curPortPos.x;
-		}
-
-		view->draw(celRect, clipRect, clipRectTranslated, loopNo, celNo, priority, paletteNo, true);
-		if (!_screen->_picNotValidSci11) {
-			_screen->copyDisplayRectToScreen(clipRectTranslated);
-		}
-	}
-}
-
-uint16 Gfx::onControl(uint16 screenMask, Common::Rect rect) {
-	int16 x, y;
-	uint16 result = 0;
-
-	if (rect.isEmpty())
-		return 0;
-
-	if (screenMask & SCI_SCREEN_MASK_PRIORITY) {
-		for (y = rect.top; y < rect.bottom; y++) {
-			for (x = rect.left; x < rect.right; x++) {
-				result |= 1 << _screen->getPriority(x, y);
-			}
-		}
-	} else {
-		for (y = rect.top; y < rect.bottom; y++) {
-			for (x = rect.left; x < rect.right; x++) {
-				result |= 1 << _screen->getControl(x, y);
-			}
-		}
-	}
-	return result;
-}
-
-static inline int sign_extend_byte(int value) {
-	if (value & 0x80)
-		return value - 256;
-	else
-		return value;
-}
-
-void Gfx::PriorityBandsInit(int16 bandCount, int16 top, int16 bottom) {
-	int16 y;
-	int32 bandSize;
-
-	// This code is for 320x200 games only
-	if (_screen->getHeight() != 200)
-		return;
-
-	if (bandCount != -1)
-		_priorityBandCount = bandCount;
-
-	_priorityTop = top;
-	_priorityBottom = bottom;
-
-	// Do NOT modify this algo or optimize it anyhow, sierra sci used int32 for calculating the
-	//  priority bands and by using double or anything rounding WILL destroy the result
-	bandSize = ((_priorityBottom - _priorityTop) * 2000) / _priorityBandCount;
-
-	memset(_priorityBands, 0, sizeof(byte) * _priorityTop);
-	for (y = _priorityTop; y < _priorityBottom; y++)
-		_priorityBands[y] = 1 + (((y - _priorityTop) * 2000) / bandSize);
-	if (_priorityBandCount == 15) {
-		// When having 15 priority bands, we actually replace band 15 with band 14, cause the original sci interpreter also
-		//  does it that way as well
-		y = _priorityBottom;
-		while (_priorityBands[--y] == _priorityBandCount)
-			_priorityBands[y]--;
-	}
-	// We fill space that is left over with the highest band (hardcoded 200 limit, because this algo isnt meant to be used on hires)
-	for (y = _priorityBottom; y < 200; y++)
-		_priorityBands[y] = _priorityBandCount;
-}
-
-void Gfx::PriorityBandsInit(byte *data) {
-	int i = 0, inx;
-	byte priority = 0;
-
-	for (inx = 0; inx < 14; inx++) {
-		priority = *data++;
-		while (i < priority)
-			_priorityBands[i++] = inx;
-	}
-	while (i < 200)
-		_priorityBands[i++] = inx;
-}
-
-// Gets used by picture class to remember priority bands data from sci1.1 pictures that need to get applied when
-//  transitioning to that picture
-void Gfx::PriorityBandsRemember(byte *data) {
-	int bandNo;
-	for (bandNo = 0; bandNo < 14; bandNo++) {
-		priorityBandsMemory[bandNo] = READ_LE_UINT16(data);
-		data += 2;
-	}
-	priorityBandsMemoryActive = true;
-}
-
-void Gfx::PriorityBandsRecall() {
-	if (priorityBandsMemoryActive) {
-		PriorityBandsInit((byte *)&priorityBandsMemory);
-		priorityBandsMemoryActive = false;
-	}
-}
-
-byte Gfx::CoordinateToPriority(int16 y) {
-	if (y < _priorityTop)
-		return _priorityBands[_priorityTop];
-	if (y > _priorityBottom)
-		return _priorityBands[_priorityBottom];
-	return _priorityBands[y];
-}
-
-int16 Gfx::PriorityToCoordinate(byte priority) {
-	int16 y;
-	if (priority <= _priorityBandCount) {
-		for (y = 0; y <= _priorityBottom; y++)
-			if (_priorityBands[y] == priority)
-				return y;
-	}
-	return _priorityBottom;
-}
-
-bool Gfx::CanBeHereCheckRectList(reg_t checkObject, Common::Rect checkRect, List *list) {
-	reg_t curAddress = list->first;
-	Node *curNode = _segMan->lookupNode(curAddress);
-	reg_t curObject;
-	uint16 signal;
-	Common::Rect curRect;
-
-	while (curNode) {
-		curObject = curNode->value;
-		if (curObject != checkObject) {
-			signal = GET_SEL32V(_segMan, curObject, signal);
-			if ((signal & (kSignalIgnoreActor | kSignalRemoveView | kSignalNoUpdate)) == 0) {
-				curRect.left = GET_SEL32V(_segMan, curObject, brLeft);
-				curRect.top = GET_SEL32V(_segMan, curObject, brTop);
-				curRect.right = GET_SEL32V(_segMan, curObject, brRight);
-				curRect.bottom = GET_SEL32V(_segMan, curObject, brBottom);
-				// Check if curRect is within checkRect
-				if (curRect.right > checkRect.left && curRect.left < checkRect.right && curRect.bottom > checkRect.top && curRect.top < checkRect.bottom) {
-					return false;
-				}
-			}
-		}
-		curAddress = curNode->succ;
-		curNode = _segMan->lookupNode(curAddress);
-	}
-	return true;
-}
-
-void Gfx::SetNowSeen(reg_t objectReference) {
-	View *view = NULL;
-	Common::Rect celRect(0, 0);
-	GuiResourceId viewId = (GuiResourceId)GET_SEL32V(_segMan, objectReference, view);
-	int16 loopNo = sign_extend_byte((int16)GET_SEL32V(_segMan, objectReference, loop));
-	int16 celNo = sign_extend_byte((int16)GET_SEL32V(_segMan, objectReference, cel));
-	int16 x = (int16)GET_SEL32V(_segMan, objectReference, x);
-	int16 y = (int16)GET_SEL32V(_segMan, objectReference, y);
-	int16 z = 0;
-	if (_kernel->_selectorCache.z > -1)
-		z = (int16)GET_SEL32V(_segMan, objectReference, z);
-
-	// now get cel rectangle
-	view = getView(viewId);
-	view->getCelRect(loopNo, celNo, x, y, z, &celRect);
-
-	// TODO: sometimes loop is negative. Check what it means
-	if (lookup_selector(_segMan, objectReference, _kernel->_selectorCache.nsTop, NULL, NULL) == kSelectorVariable) {
-		PUT_SEL32V(_segMan, objectReference, nsLeft, celRect.left);
-		PUT_SEL32V(_segMan, objectReference, nsRight, celRect.right);
-		PUT_SEL32V(_segMan, objectReference, nsTop, celRect.top);
-		PUT_SEL32V(_segMan, objectReference, nsBottom, celRect.bottom);
-	}
-}
-
-} // End of namespace Sci
diff --git a/engines/sci/graphics/gui.cpp b/engines/sci/graphics/gui.cpp
index 8c662290be..633617eead 100644
--- a/engines/sci/graphics/gui.cpp
+++ b/engines/sci/graphics/gui.cpp
@@ -35,8 +35,10 @@
 #include "sci/graphics/screen.h"
 #include "sci/graphics/palette.h"
 #include "sci/graphics/cursor.h"
-#include "sci/graphics/gfx.h"
-#include "sci/graphics/windowmgr.h"
+#include "sci/graphics/ports.h"
+#include "sci/graphics/paint16.h"
+#include "sci/graphics/cache.h"
+#include "sci/graphics/compare.h"
 #include "sci/graphics/animate.h"
 #include "sci/graphics/controls.h"
 #include "sci/graphics/menu.h"
@@ -48,26 +50,29 @@
 
 namespace Sci {
 
-SciGui::SciGui(EngineState *state, Screen *screen, SciPalette *palette, Cursor *cursor, AudioPlayer *audio)
-	: _s(state), _screen(screen), _palette(palette), _cursor(cursor), _audio(audio) {
+SciGui::SciGui(EngineState *state, Screen *screen, SciPalette *palette, Cursor *cursor, GfxPorts *ports, AudioPlayer *audio)
+	: _s(state), _screen(screen), _palette(palette), _cursor(cursor), _ports(ports), _audio(audio) {
 
-	_gfx = new Gfx(_s->resMan, _s->_segMan, _s->_kernel, _screen, _palette);
+	_cache = new GfxCache(_s->resMan, _screen, _palette);
+	_compare = new GfxCompare(_s->_segMan, _s->_kernel, _cache, _screen);
+	_paint16 = new GfxPaint16(_s->resMan, _s->_segMan, _s->_kernel, _cache, _ports, _screen, _palette);
 	_transitions = new Transitions(this, _screen, _palette, _s->resMan->isVGA());
-	_animate = new SciGuiAnimate(_s, _gfx, _screen, _palette);
-	_text = new Text(_s->resMan, _gfx, _screen);
-	_windowMgr = new WindowMgr(this, _screen, _gfx, _text);
-	_controls = new Controls(_s->_segMan, _gfx, _text);
-	_menu = new Menu(_s->_event, _s->_segMan, this, _gfx, _text, _screen, _cursor);
+	_animate = new SciGuiAnimate(_s, _cache, _ports, _paint16, _screen, _palette);
+	_text = new Text(_s->resMan, _ports, _paint16, _screen);
+	_controls = new Controls(_s->_segMan, _ports, _paint16, _text);
+	_menu = new Menu(_s->_event, _s->_segMan, this, _ports, _paint16, _text, _screen, _cursor);
 }
 
 SciGui::~SciGui() {
 	delete _menu;
 	delete _controls;
-	delete _windowMgr;
 	delete _text;
 	delete _animate;
 	delete _transitions;
-	delete _gfx;
+	delete _paint16;
+	delete _ports;
+	delete _compare;
+	delete _cache;
 }
 
 void SciGui::resetEngineState(EngineState *s) {
@@ -78,19 +83,19 @@ void SciGui::resetEngineState(EngineState *s) {
 void SciGui::init(bool usesOldGfxFunctions) {
 	_usesOldGfxFunctions = usesOldGfxFunctions;
 
-	_gfx->init(_text);
-	_windowMgr->init(_s->_gameId);
+	_ports->init(this, _paint16, _text, _s->_gameId);
+	_paint16->init(_text);
 	initPriorityBands();
 }
 
 void SciGui::initPriorityBands() {
 	if (_usesOldGfxFunctions) {
-		_gfx->PriorityBandsInit(15, 42, 200);
+		_ports->priorityBandsInit(15, 42, 200);
 	} else {
 		if (getSciVersion() >= SCI_VERSION_1_1)
-			_gfx->PriorityBandsInit(14, 0, 190);
+			_ports->priorityBandsInit(14, 0, 190);
 		else
-			_gfx->PriorityBandsInit(14, 42, 190);
+			_ports->priorityBandsInit(14, 42, 190);
 	}
 }
 
@@ -105,74 +110,24 @@ void SciGui::wait(int16 ticks) {
 	kernel_sleep(_s->_event, ticks * 1000 / 60);
 }
 
-void SciGui::setPort(uint16 portPtr) {
-	switch (portPtr) {
-	case 0:
-		_gfx->SetPort(_windowMgr->_wmgrPort);
-		break;
-	case 0xFFFF:
-		_gfx->SetPort(_gfx->_menuPort);
-		break;
-	default:
-		_gfx->SetPort(_windowMgr->getPortById(portPtr));
-	};
-}
-
-Common::Rect SciGui::getPortPic(int16 &picTop, int16 &picLeft) {
-	picTop = _windowMgr->_picWind->top;
-	picLeft = _windowMgr->_picWind->left;
-	return _windowMgr->_picWind->rect;
-}
-
-void SciGui::setPortPic(Common::Rect rect, int16 picTop, int16 picLeft, bool initPriorityBandsFlag) {
-	_windowMgr->_picWind->rect = rect;
-	_windowMgr->_picWind->top = picTop;
-	_windowMgr->_picWind->left = picLeft;
-	if (initPriorityBandsFlag)
-		initPriorityBands();
-}
-
-reg_t SciGui::getPort() {
-	return make_reg(0, _gfx->GetPort()->id);
-}
-
 void SciGui::globalToLocal(int16 *x, int16 *y) {
-	Port *curPort = _gfx->GetPort();
+	Port *curPort = _ports->getPort();
 	*x = *x - curPort->left;
 	*y = *y - curPort->top;
 }
 
 void SciGui::localToGlobal(int16 *x, int16 *y) {
-	Port *curPort = _gfx->GetPort();
+	Port *curPort = _ports->getPort();
 	*x = *x + curPort->left;
 	*y = *y + curPort->top;
 }
 
 int16 SciGui::coordinateToPriority(int16 y) {
-	return _gfx->CoordinateToPriority(y);
+	return _ports->coordinateToPriority(y);
 }
 
 int16 SciGui::priorityToCoordinate(int16 priority) {
-	return _gfx->PriorityToCoordinate(priority);
-}
-
-reg_t SciGui::newWindow(Common::Rect dims, Common::Rect restoreRect, uint16 style, int16 priority, int16 colorPen, int16 colorBack, const char *title) {
-	Window *wnd = NULL;
-
-	if (restoreRect.top != 0 && restoreRect.left != 0 && restoreRect.height() != 0 && restoreRect.width() != 0)
-		wnd = _windowMgr->NewWindow(dims, &restoreRect, title, style, priority, false);
-	else
-		wnd = _windowMgr->NewWindow(dims, NULL, title, style, priority, false);
-	wnd->penClr = colorPen;
-	wnd->backClr = colorBack;
-	_windowMgr->DrawWindow(wnd);
-
-	return make_reg(0, wnd->id);
-}
-
-void SciGui::disposeWindow(uint16 windowPtr, bool reanimate) {
-	Window *wnd = (Window *)_windowMgr->getPortById(windowPtr);
-	_windowMgr->DisposeWindow(wnd, reanimate);
+	return _ports->priorityToCoordinate(priority);
 }
 
 #define SCI_DISPLAY_MOVEPEN				100
@@ -194,19 +149,19 @@ void SciGui::display(const char *text, int argc, reg_t *argv) {
 	Common::Rect rect;
 
 	// Make a "backup" of the port settings
-	Port oldPort = *_gfx->GetPort();
+	Port oldPort = *_ports->getPort();
 
 	// setting defaults
-	_gfx->PenMode(0);
-	_gfx->PenColor(0);
-	_gfx->TextGreyedOutput(false);
+	_ports->penMode(0);
+	_ports->penColor(0);
+	_ports->textGreyedOutput(false);
 	// processing codes in argv
 	while (argc > 0) {
 		displayArg = argv[0].toUint16();
 		argc--; argv++;
 		switch (displayArg) {
 		case SCI_DISPLAY_MOVEPEN:
-			_gfx->MoveTo(argv[0].toUint16(), argv[1].toUint16());
+			_ports->moveTo(argv[0].toUint16(), argv[1].toUint16());
 			argc -= 2; argv += 2;
 			break;
 		case SCI_DISPLAY_SETALIGNMENT:
@@ -215,7 +170,7 @@ void SciGui::display(const char *text, int argc, reg_t *argv) {
 			break;
 		case SCI_DISPLAY_SETPENCOLOR:
 			colorPen = argv[0].toUint16();
-			_gfx->PenColor(colorPen);
+			_ports->penColor(colorPen);
 			argc--; argv++;
 			break;
 		case SCI_DISPLAY_SETBACKGROUNDCOLOR:
@@ -223,7 +178,7 @@ void SciGui::display(const char *text, int argc, reg_t *argv) {
 			argc--; argv++;
 			break;
 		case SCI_DISPLAY_SETGREYEDOUTPUT:
-			_gfx->TextGreyedOutput(argv[0].isNull() ? false : true);
+			_ports->textGreyedOutput(argv[0].isNull() ? false : true);
 			argc--; argv++;
 			break;
 		case SCI_DISPLAY_SETFONT:
@@ -238,9 +193,9 @@ void SciGui::display(const char *text, int argc, reg_t *argv) {
 			doSaveUnder = true;
 			break;
 		case SCI_DISPLAY_RESTOREUNDER:
-			_gfx->BitsGetRect(argv[0], &rect);
-			rect.translate(-_gfx->GetPort()->left, -_gfx->GetPort()->top);
-			_gfx->BitsRestore(argv[0]);
+			_paint16->bitsGetRect(argv[0], &rect);
+			rect.translate(-_ports->getPort()->left, -_ports->getPort()->top);
+			_paint16->bitsRestore(argv[0]);
 			graphRedrawBox(rect);
 			// finishing loop
 			argc = 0;
@@ -256,23 +211,23 @@ void SciGui::display(const char *text, int argc, reg_t *argv) {
 
 	// now drawing the text
 	_text->Size(rect, text, -1, width);
-	rect.moveTo(_gfx->GetPort()->curLeft, _gfx->GetPort()->curTop);
+	rect.moveTo(_ports->getPort()->curLeft, _ports->getPort()->curTop);
 	if (getSciVersion() >= SCI_VERSION_1_LATE) {
 		int16 leftPos = rect.right <= _screen->getWidth() ? 0 : _screen->getWidth() - rect.right;
 		int16 topPos = rect.bottom <= _screen->getHeight() ? 0 : _screen->getHeight() - rect.bottom;
-		_gfx->Move(leftPos, topPos);
-		rect.moveTo(_gfx->GetPort()->curLeft, _gfx->GetPort()->curTop);
+		_ports->move(leftPos, topPos);
+		rect.moveTo(_ports->getPort()->curLeft, _ports->getPort()->curTop);
 	}
 
 	if (doSaveUnder)
-		_s->r_acc = _gfx->BitsSave(rect, SCI_SCREEN_MASK_VISUAL);
+		_s->r_acc = _paint16->bitsSave(rect, SCI_SCREEN_MASK_VISUAL);
 	if (colorBack != -1)
-		_gfx->FillRect(rect, SCI_SCREEN_MASK_VISUAL, colorBack, 0, 0);
+		_paint16->fillRect(rect, SCI_SCREEN_MASK_VISUAL, colorBack, 0, 0);
 	_text->Box(text, 0, rect, alignment, -1);
 	if (_screen->_picNotValid == 0 && bRedraw)
-		_gfx->BitsShow(rect);
+		_paint16->bitsShow(rect);
 	// restoring port and cursor pos
-	Port *currport = _gfx->GetPort();
+	Port *currport = _ports->getPort();
 	uint16 tTop = currport->curTop;
 	uint16 tLeft = currport->curLeft;
 	*currport = oldPort;
@@ -298,22 +253,22 @@ void SciGui::textColors(int argc, reg_t *argv) {
 }
 
 void SciGui::drawStatus(const char *text, int16 colorPen, int16 colorBack) {
-	Port *oldPort = _gfx->SetPort(_gfx->_menuPort);
+	Port *oldPort = _ports->setPort(_ports->_menuPort);
 
-	_gfx->FillRect(_gfx->_menuBarRect, 1, colorBack);
-	_gfx->PenColor(colorPen);
-	_gfx->MoveTo(0, 1);
+	_paint16->fillRect(_ports->_menuBarRect, 1, colorBack);
+	_ports->penColor(colorPen);
+	_ports->moveTo(0, 1);
 	_text->Draw_String(text);
-	_gfx->BitsShow(_gfx->_menuBarRect);
-	_gfx->SetPort(oldPort);
+	_paint16->bitsShow(_ports->_menuBarRect);
+	_ports->setPort(oldPort);
 }
 
 void SciGui::drawMenuBar(bool clear) {
 	if (!clear) {
-		Port *oldPort = _gfx->SetPort(_gfx->_menuPort);
+		Port *oldPort = _ports->setPort(_ports->_menuPort);
 		_menu->drawBar();
-		_gfx->BitsShow(_gfx->_menuBarRect);
-		_gfx->SetPort(oldPort);
+		_paint16->bitsShow(_ports->_menuBarRect);
+		_ports->setPort(oldPort);
 	} else {
 		drawStatus("", 0, 0);
 	}
@@ -321,7 +276,7 @@ void SciGui::drawMenuBar(bool clear) {
 
 void SciGui::menuReset() {
 	delete _menu;
-	_menu = new Menu(_s->_event, _s->_segMan, this, _gfx, _text, _screen, _cursor);
+	_menu = new Menu(_s->_event, _s->_segMan, this, _ports, _paint16, _text, _screen, _cursor);
 }
 
 void SciGui::menuAdd(Common::String title, Common::String content, reg_t contentVmPtr) {
@@ -341,26 +296,26 @@ reg_t SciGui::menuSelect(reg_t eventObject) {
 }
 
 void SciGui::drawPicture(GuiResourceId pictureId, int16 animationNr, bool animationBlackoutFlag, bool mirroredFlag, bool addToFlag, int16 EGApaletteNo) {
-	Port *oldPort = _gfx->SetPort((Port *)_windowMgr->_picWind);
+	Port *oldPort = _ports->setPort((Port *)_ports->_picWind);
 
-	if (_windowMgr->isFrontWindow(_windowMgr->_picWind)) {
+	if (_ports->isFrontWindow(_ports->_picWind)) {
 		_screen->_picNotValid = 1;
-		_gfx->drawPicture(pictureId, animationNr, mirroredFlag, addToFlag, EGApaletteNo);
+		_paint16->drawPicture(pictureId, animationNr, mirroredFlag, addToFlag, EGApaletteNo);
 		_transitions->setup(animationNr, animationBlackoutFlag);
 	} else {
-		_windowMgr->BeginUpdate(_windowMgr->_picWind);
-		_gfx->drawPicture(pictureId, animationNr, mirroredFlag, addToFlag, EGApaletteNo);
-		_windowMgr->EndUpdate(_windowMgr->_picWind);
+		_ports->beginUpdate(_ports->_picWind);
+		_paint16->drawPicture(pictureId, animationNr, mirroredFlag, addToFlag, EGApaletteNo);
+		_ports->endUpdate(_ports->_picWind);
 	}
-	_gfx->SetPort(oldPort);
+	_ports->setPort(oldPort);
 }
 
 void SciGui::drawCel(GuiResourceId viewId, int16 loopNo, int16 celNo, uint16 leftPos, uint16 topPos, int16 priority, uint16 paletteNo, bool hiresMode, reg_t upscaledHiresHandle) {
 	// some calls are hiresMode even under kq6 DOS, that's why we check for upscaled hires here
 	if ((!hiresMode) || (!_screen->getUpscaledHires())) {
-		_gfx->drawCelAndShow(viewId, loopNo, celNo, leftPos, topPos, priority, paletteNo);
+		_paint16->drawCelAndShow(viewId, loopNo, celNo, leftPos, topPos, priority, paletteNo);
 	} else {
-		_gfx->drawHiresCelAndShow(viewId, loopNo, celNo, leftPos, topPos, priority, paletteNo, upscaledHiresHandle);
+		_paint16->drawHiresCelAndShow(viewId, loopNo, celNo, leftPos, topPos, priority, paletteNo, upscaledHiresHandle);
 	}
 	_palette->setOnScreen();
 }
@@ -374,40 +329,40 @@ int SciGui::getControlPicNotValid() {
 void SciGui::drawControlButton(Common::Rect rect, reg_t obj, const char *text, int16 fontId, int16 style, bool hilite) {
 	if (!hilite) {
 		rect.grow(1);
-		_gfx->EraseRect(rect);
-		_gfx->FrameRect(rect);
+		_paint16->eraseRect(rect);
+		_paint16->frameRect(rect);
 		rect.grow(-2);
-		_gfx->TextGreyedOutput(style & 1 ? false : true);
+		_ports->textGreyedOutput(style & 1 ? false : true);
 		_text->Box(text, 0, rect, SCI_TEXT_ALIGNMENT_CENTER, fontId);
-		_gfx->TextGreyedOutput(false);
+		_ports->textGreyedOutput(false);
 		rect.grow(1);
 		if (style & 8) // selected
-			_gfx->FrameRect(rect);
+			_paint16->frameRect(rect);
 		if (!getControlPicNotValid()) {
 			rect.grow(1);
-			_gfx->BitsShow(rect);
+			_paint16->bitsShow(rect);
 		}
 	} else {
-		_gfx->InvertRect(rect);
-		_gfx->BitsShow(rect);
+		_paint16->invertRect(rect);
+		_paint16->bitsShow(rect);
 	}
 }
 
 void SciGui::drawControlText(Common::Rect rect, reg_t obj, const char *text, int16 fontId, TextAlignment alignment, int16 style, bool hilite) {
 	if (!hilite) {
 		rect.grow(1);
-		_gfx->EraseRect(rect);
+		_paint16->eraseRect(rect);
 		rect.grow(-1);
 		_text->Box(text, 0, rect, alignment, fontId);
 		if (style & 8) { // selected
-			_gfx->FrameRect(rect);
+			_paint16->frameRect(rect);
 		}
 		rect.grow(1);
 		if (!getControlPicNotValid())
-			_gfx->BitsShow(rect);
+			_paint16->bitsShow(rect);
 	} else {
-		_gfx->InvertRect(rect);
-		_gfx->BitsShow(rect);
+		_paint16->invertRect(rect);
+		_paint16->bitsShow(rect);
 	}
 }
 
@@ -417,9 +372,9 @@ void SciGui::drawControlTextEdit(Common::Rect rect, reg_t obj, const char *text,
 
 	rect.grow(1);
 	_controls->TexteditCursorErase();
-	_gfx->EraseRect(rect);
+	_paint16->eraseRect(rect);
 	_text->Box(text, 0, textRect, SCI_TEXT_ALIGNMENT_LEFT, fontId);
-	_gfx->FrameRect(rect);
+	_paint16->frameRect(rect);
 	if (style & 8) {
 		_text->SetFont(fontId);
 		rect.grow(-1);
@@ -428,20 +383,20 @@ void SciGui::drawControlTextEdit(Common::Rect rect, reg_t obj, const char *text,
 		rect.grow(1);
 	}
 	if (!getControlPicNotValid())
-		_gfx->BitsShow(rect);
+		_paint16->bitsShow(rect);
 }
 
 void SciGui::drawControlIcon(Common::Rect rect, reg_t obj, GuiResourceId viewId, int16 loopNo, int16 celNo, int16 priority, int16 style, bool hilite) {
 	if (!hilite) {
-		_gfx->drawCelAndShow(viewId, loopNo, celNo, rect.left, rect.top, priority, 0);
+		_paint16->drawCelAndShow(viewId, loopNo, celNo, rect.left, rect.top, priority, 0);
 		if (style & 0x20) {
-			_gfx->FrameRect(rect);
+			_paint16->frameRect(rect);
 		}
 		if (!getControlPicNotValid())
-			_gfx->BitsShow(rect);
+			_paint16->bitsShow(rect);
 	} else {
-		_gfx->InvertRect(rect);
-		_gfx->BitsShow(rect);
+		_paint16->invertRect(rect);
+		_paint16->bitsShow(rect);
 	}
 }
 
@@ -450,10 +405,10 @@ void SciGui::drawControlList(Common::Rect rect, reg_t obj, int16 maxChars, int16
 		_controls->drawListControl(rect, obj, maxChars, count, entries, fontId, upperPos, cursorPos, isAlias);
 		rect.grow(1);
 		if (isAlias && (style & 8)) {
-			_gfx->FrameRect(rect);
+			_paint16->frameRect(rect);
 		}
 		if (!getControlPicNotValid())
-			_gfx->BitsShow(rect);
+			_paint16->bitsShow(rect);
 	}
 }
 
@@ -469,66 +424,66 @@ void SciGui::editControl(reg_t controlObject, reg_t eventObject) {
 }
 
 void SciGui::graphFillBoxForeground(Common::Rect rect) {
-	_gfx->PaintRect(rect);
+	_paint16->paintRect(rect);
 }
 
 void SciGui::graphFillBoxBackground(Common::Rect rect) {
-	_gfx->EraseRect(rect);
+	_paint16->eraseRect(rect);
 }
 
 void SciGui::graphFillBox(Common::Rect rect, uint16 colorMask, int16 color, int16 priority, int16 control) {
-	_gfx->FillRect(rect, colorMask, color, priority, control);
+	_paint16->fillRect(rect, colorMask, color, priority, control);
 }
 
 void SciGui::graphFrameBox(Common::Rect rect, int16 color) {
-	int16 oldColor = _gfx->GetPort()->penClr;
-	_gfx->PenColor(color);
-	_gfx->FrameRect(rect);
-	_gfx->PenColor(oldColor);
+	int16 oldColor = _ports->getPort()->penClr;
+	_ports->penColor(color);
+	_paint16->frameRect(rect);
+	_ports->penColor(oldColor);
 }
 
 void SciGui::graphDrawLine(Common::Point startPoint, Common::Point endPoint, int16 color, int16 priority, int16 control) {
-	_gfx->OffsetLine(startPoint, endPoint);
+	_ports->offsetLine(startPoint, endPoint);
 	_screen->drawLine(startPoint.x, startPoint.y, endPoint.x, endPoint.y, color, priority, control);
 }
 
 reg_t SciGui::graphSaveBox(Common::Rect rect, uint16 screenMask) {
-	return _gfx->BitsSave(rect, screenMask);
+	return _paint16->bitsSave(rect, screenMask);
 }
 
 reg_t SciGui::graphSaveUpscaledHiresBox(Common::Rect rect) {
-	return _gfx->BitsSave(rect, SCI_SCREEN_MASK_DISPLAY);
+	return _paint16->bitsSave(rect, SCI_SCREEN_MASK_DISPLAY);
 }
 
 void SciGui::graphRestoreBox(reg_t handle) {
-	_gfx->BitsRestore(handle);
+	_paint16->bitsRestore(handle);
 }
 
 void SciGui::graphUpdateBox(Common::Rect rect, bool hiresMode) {
 	// some calls are hiresMode even under kq6 DOS, that's why we check for upscaled hires here
 	if ((!hiresMode) || (!_screen->getUpscaledHires()))
-		_gfx->BitsShow(rect);
+		_paint16->bitsShow(rect);
 	else
-		_gfx->BitsShowHires(rect);
+		_paint16->bitsShowHires(rect);
 }
 
 void SciGui::graphRedrawBox(Common::Rect rect) {
 	localToGlobal(&rect.left, &rect.top);
 	localToGlobal(&rect.right, &rect.bottom);
-	Port *oldPort = _gfx->SetPort((Port *)_windowMgr->_picWind);
+	Port *oldPort = _ports->setPort((Port *)_ports->_picWind);
 	globalToLocal(&rect.left, &rect.top);
 	globalToLocal(&rect.right, &rect.bottom);
 
 	_animate->reAnimate(rect);
 
-	_gfx->SetPort(oldPort);
+	_ports->setPort(oldPort);
 }
 
 void SciGui::graphAdjustPriority(int top, int bottom) {
 	if (_usesOldGfxFunctions) {
-		_gfx->PriorityBandsInit(15, top, bottom);
+		_ports->priorityBandsInit(15, top, bottom);
 	} else {
-		_gfx->PriorityBandsInit(14, top, bottom);
+		_ports->priorityBandsInit(14, top, bottom);
 	}
 }
 
@@ -605,20 +560,20 @@ void SciGui::shakeScreen(uint16 shakeCount, uint16 directions) {
 }
 
 uint16 SciGui::onControl(byte screenMask, Common::Rect rect) {
-	Port *oldPort = _gfx->SetPort((Port *)_windowMgr->_picWind);
+	Port *oldPort = _ports->setPort((Port *)_ports->_picWind);
 	Common::Rect adjustedRect(rect.left, rect.top, rect.right, rect.bottom);
 	uint16 result;
 
-	adjustedRect.clip(_gfx->GetPort()->rect);
-	_gfx->OffsetRect(adjustedRect);
-	result = _gfx->onControl(screenMask, adjustedRect);
+	adjustedRect.clip(_ports->getPort()->rect);
+	_ports->offsetRect(adjustedRect);
+	result = _compare->onControl(screenMask, adjustedRect);
 
-	_gfx->SetPort(oldPort);
+	_ports->setPort(oldPort);
 	return result;
 }
 
 void SciGui::animateShowPic() {
-	Port *picPort = _windowMgr->_picWind;
+	Port *picPort = _ports->_picWind;
 	Common::Rect picRect = picPort->rect;
 	bool previousCursorState = _cursor->isVisible();
 
@@ -631,7 +586,7 @@ void SciGui::animateShowPic() {
 		_cursor->show();
 
 	// We set SCI1.1 priority band information here
-	_gfx->PriorityBandsRecall();
+	_ports->priorityBandsRecall();
 }
 
 void SciGui::animate(reg_t listReference, bool cycle, int argc, reg_t *argv) {
@@ -653,16 +608,16 @@ void SciGui::animate(reg_t listReference, bool cycle, int argc, reg_t *argv) {
 			return;
 	}
 
-	Port *oldPort = _gfx->SetPort((Port *)_windowMgr->_picWind);
+	Port *oldPort = _ports->setPort((Port *)_ports->_picWind);
 	_animate->disposeLastCast();
 
 	_animate->makeSortedList(list);
 	_animate->fill(old_picNotValid);
 
 	if (old_picNotValid) {
-		_windowMgr->BeginUpdate(_windowMgr->_picWind);
+		_ports->beginUpdate(_ports->_picWind);
 		_animate->update();
-		_windowMgr->EndUpdate(_windowMgr->_picWind);
+		_ports->endUpdate(_ports->_picWind);
 	}
 
 	_animate->drawCels();
@@ -676,7 +631,7 @@ void SciGui::animate(reg_t listReference, bool cycle, int argc, reg_t *argv) {
 	if (_animate->getLastCastCount() > 1)
 		_s->_throttleTrigger = true;
 
-	_gfx->SetPort(oldPort);
+	_ports->setPort(oldPort);
 }
 
 void SciGui::addToPicSetPicNotValid() {
@@ -689,7 +644,7 @@ void SciGui::addToPicSetPicNotValid() {
 void SciGui::addToPicList(reg_t listReference, int argc, reg_t *argv) {
 	List *list;
 
-	_gfx->SetPort((Port *)_windowMgr->_picWind);
+	_ports->setPort((Port *)_ports->_picWind);
 
 	list = _s->_segMan->lookupList(listReference);
 	if (!list)
@@ -702,17 +657,17 @@ void SciGui::addToPicList(reg_t listReference, int argc, reg_t *argv) {
 }
 
 void SciGui::addToPicView(GuiResourceId viewId, int16 loopNo, int16 celNo, int16 leftPos, int16 topPos, int16 priority, int16 control) {
-	_gfx->SetPort((Port *)_windowMgr->_picWind);
+	_ports->setPort((Port *)_ports->_picWind);
 	_animate->addToPicDrawView(viewId, loopNo, celNo, leftPos, topPos, priority, control);
 	addToPicSetPicNotValid();
 }
 
 void SciGui::setNowSeen(reg_t objectReference) {
-	_gfx->SetNowSeen(objectReference);
+	_compare->SetNowSeen(objectReference);
 }
 
 bool SciGui::canBeHere(reg_t curObject, reg_t listReference) {
-	Port *oldPort = _gfx->SetPort((Port *)_windowMgr->_picWind);
+	Port *oldPort = _ports->setPort((Port *)_ports->_picWind);
 	Common::Rect checkRect;
 	Common::Rect adjustedRect;
 	uint16 signal, controlMask;
@@ -724,25 +679,25 @@ bool SciGui::canBeHere(reg_t curObject, reg_t listReference) {
 	checkRect.bottom = GET_SEL32V(_s->_segMan, curObject, brBottom);
 
 	adjustedRect = checkRect;
-	adjustedRect.clip(_gfx->GetPort()->rect);
-	_gfx->OffsetRect(adjustedRect);
+	adjustedRect.clip(_ports->getPort()->rect);
+	_ports->offsetRect(adjustedRect);
 
 	signal = GET_SEL32V(_s->_segMan, curObject, signal);
 	controlMask = GET_SEL32V(_s->_segMan, curObject, illegalBits);
-	result = (_gfx->onControl(SCI_SCREEN_MASK_CONTROL, adjustedRect) & controlMask) ? false : true;
+	result = (_compare->onControl(SCI_SCREEN_MASK_CONTROL, adjustedRect) & controlMask) ? false : true;
 	if ((result) && (signal & (kSignalIgnoreActor | kSignalRemoveView)) == 0) {
 		List *list = _s->_segMan->lookupList(listReference);
 		if (!list)
 			error("kCanBeHere called with non-list as parameter");
 
-		result = _gfx->CanBeHereCheckRectList(curObject, checkRect, list);
+		result = _compare->CanBeHereCheckRectList(curObject, checkRect, list);
 	}
-	_gfx->SetPort(oldPort);
+	_ports->setPort(oldPort);
 	return result;
 }
 
 bool SciGui::isItSkip(GuiResourceId viewId, int16 loopNo, int16 celNo, Common::Point position) {
-	View *tmpView = _gfx->getView(viewId);
+	View *tmpView = _cache->getView(viewId);
 	CelInfo *celInfo = tmpView->getCelInfo(loopNo, celNo);
 	position.x = CLIP<int>(position.x, 0, celInfo->width - 1);
 	position.y = CLIP<int>(position.y, 0, celInfo->height - 1);
@@ -761,7 +716,7 @@ void SciGui::baseSetter(reg_t object) {
 		int16 loopNo = GET_SEL32V(_s->_segMan, object, loop);
 		int16 celNo = GET_SEL32V(_s->_segMan, object, cel);
 
-		View *tmpView = _gfx->getView(viewId);
+		View *tmpView = _cache->getView(viewId);
 		Common::Rect celRect;
 
 		tmpView->getCelRect(loopNo, celNo, x, y, z, &celRect);
@@ -796,8 +751,8 @@ void SciGui::setCursorView(GuiResourceId viewNum, int loopNum, int cellNum, Comm
 }
 
 void SciGui::setCursorPos(Common::Point pos) {
-	pos.y += _gfx->GetPort()->top;
-	pos.x += _gfx->GetPort()->left;
+	pos.y += _ports->getPort()->top;
+	pos.x += _ports->getPort()->left;
 	moveCursor(pos);
 }
 
@@ -806,11 +761,11 @@ Common::Point SciGui::getCursorPos() {
 }
 
 void SciGui::moveCursor(Common::Point pos) {
-	pos.y += _windowMgr->_picWind->rect.top;
-	pos.x += _windowMgr->_picWind->rect.left;
+	pos.y += _ports->_picWind->rect.top;
+	pos.x += _ports->_picWind->rect.left;
 
-	pos.y = CLIP<int16>(pos.y, _windowMgr->_picWind->rect.top, _windowMgr->_picWind->rect.bottom - 1);
-	pos.x = CLIP<int16>(pos.x, _windowMgr->_picWind->rect.left, _windowMgr->_picWind->rect.right - 1);
+	pos.y = CLIP<int16>(pos.y, _ports->_picWind->rect.top, _ports->_picWind->rect.bottom - 1);
+	pos.x = CLIP<int16>(pos.x, _ports->_picWind->rect.left, _ports->_picWind->rect.right - 1);
 
 	if (pos.x > _screen->getWidth() || pos.y > _screen->getHeight()) {
 		warning("attempt to place cursor at invalid coordinates (%d, %d)", pos.y, pos.x);
@@ -829,19 +784,19 @@ void SciGui::setCursorZone(Common::Rect zone) {
 }
 
 int16 SciGui::getCelWidth(GuiResourceId viewId, int16 loopNo, int16 celNo) {
-	return _gfx->getView(viewId)->getCelInfo(loopNo, celNo)->width;
+	return _cache->getView(viewId)->getCelInfo(loopNo, celNo)->width;
 }
 
 int16 SciGui::getCelHeight(GuiResourceId viewId, int16 loopNo, int16 celNo) {
-	return _gfx->getView(viewId)->getCelInfo(loopNo, celNo)->height;
+	return _cache->getView(viewId)->getCelInfo(loopNo, celNo)->height;
 }
 
 int16 SciGui::getLoopCount(GuiResourceId viewId) {
-	return _gfx->getView(viewId)->getLoopCount();
+	return _cache->getView(viewId)->getLoopCount();
 }
 
 int16 SciGui::getCelCount(GuiResourceId viewId, int16 loopNo) {
-	return _gfx->getView(viewId)->getLoopInfo(loopNo)->celCount;
+	return _cache->getView(viewId)->getLoopInfo(loopNo)->celCount;
 }
 
 void SciGui::syncWithFramebuffer() {
@@ -858,7 +813,7 @@ void SciGui::portraitShow(Common::String resourceName, Common::Point position, u
 	// TODO: cache portraits
 	// adjust given coordinates to curPort (but dont adjust coordinates on upscaledHires_Save_Box and give us hires coordinates
 	//  on kDrawCel, yeah this whole stuff makes sense)
-	position.x += _gfx->GetPort()->left; position.y += _gfx->GetPort()->top;
+	position.x += _ports->getPort()->left; position.y += _ports->getPort()->top;
 	position.x *= 2; position.y *= 2;
 	myPortrait->doit(position, resourceId, noun, verb, cond, seq);
 	delete myPortrait;
@@ -911,7 +866,7 @@ bool SciGui::debugShowMap(int mapNo) {
 }
 
 bool SciGui::debugEGAdrawingVisualize(bool state) {
-	_gfx->setEGAdrawingVisualize(state);
+	_paint16->setEGAdrawingVisualize(state);
 	return false;
 }
 
diff --git a/engines/sci/graphics/gui.h b/engines/sci/graphics/gui.h
index 50a2820fe8..a92af7a99b 100644
--- a/engines/sci/graphics/gui.h
+++ b/engines/sci/graphics/gui.h
@@ -44,7 +44,10 @@ enum {
 class Screen;
 class SciPalette;
 class Cursor;
-class Gfx;
+class GfxCache;
+class GfxCompare;
+class GfxPorts;
+class GfxPaint16;
 class WindowMgr;
 class SciGuiAnimate;
 class Controls;
@@ -54,23 +57,23 @@ class Transitions;
 
 class SciGui {
 public:
-	SciGui(EngineState *s, Screen *screen, SciPalette *palette, Cursor *cursor, AudioPlayer *audio);
+	SciGui(EngineState *s, Screen *screen, SciPalette *palette, Cursor *cursor, GfxPorts *ports, AudioPlayer *audio);
 	virtual ~SciGui();
 
 	virtual void init(bool usesOldGfxFunctions);
 
 	virtual void wait(int16 ticks);
-	virtual void setPort(uint16 portPtr);
-	virtual Common::Rect getPortPic(int16 &picTop, int16 &picLeft);
-	virtual void setPortPic(Common::Rect rect, int16 picTop, int16 picLeft, bool initPriorityBandsFlag);
-	virtual reg_t getPort();
+	// virtual void setPort(uint16 portPtr);
+	// virtual Common::Rect getPortPic(int16 &picTop, int16 &picLeft);
+	// virtual void setPortPic(Common::Rect rect, int16 picTop, int16 picLeft, bool initPriorityBandsFlag);
+	// virtual reg_t getPort();
 	virtual void globalToLocal(int16 *x, int16 *y);
 	virtual void localToGlobal(int16 *x, int16 *y);
 	virtual int16 coordinateToPriority(int16 y);
 	virtual int16 priorityToCoordinate(int16 priority);
 
-	virtual reg_t newWindow(Common::Rect dims, Common::Rect restoreRect, uint16 style, int16 priority, int16 colorPen, int16 colorBack, const char *title);
-	virtual void disposeWindow(uint16 windowPtr, bool reanimate);
+	// virtual reg_t newWindow(Common::Rect dims, Common::Rect restoreRect, uint16 style, int16 priority, int16 colorPen, int16 colorBack, const char *title);
+	// virtual void disposeWindow(uint16 windowPtr, bool reanimate);
 
 	virtual void display(const char *text, int argc, reg_t *argv);
 
@@ -167,7 +170,10 @@ protected:
 	EngineState *_s;
 	Screen *_screen;
 	SciPalette *_palette;
-	Gfx *_gfx;
+	GfxCache *_cache;
+	GfxCompare *_compare;
+	GfxPorts *_ports;
+	GfxPaint16 *_paint16;
 
 private:
 	virtual void initPriorityBands();
@@ -176,7 +182,6 @@ private:
 	static void palVaryCallback(void *refCon);
 	void doPalVary();
 
-	WindowMgr *_windowMgr;
 	AudioPlayer *_audio;
 	SciGuiAnimate *_animate;
 	Controls *_controls;
diff --git a/engines/sci/graphics/gui32.cpp b/engines/sci/graphics/gui32.cpp
index bc76b4c22c..781b346480 100644
--- a/engines/sci/graphics/gui32.cpp
+++ b/engines/sci/graphics/gui32.cpp
@@ -35,7 +35,8 @@
 #include "sci/graphics/screen.h"
 #include "sci/graphics/palette.h"
 #include "sci/graphics/cursor.h"
-#include "sci/graphics/gfx.h"
+#include "sci/graphics/cache.h"
+#include "sci/graphics/compare.h"
 #include "sci/graphics/picture.h"
 #include "sci/graphics/robot.h"
 #include "sci/graphics/text.h"
@@ -46,11 +47,13 @@ namespace Sci {
 SciGui32::SciGui32(EngineState *state, Screen *screen, SciPalette *palette, Cursor *cursor)
 	: _s(state), _screen(screen), _palette(palette), _cursor(cursor) {
 
-	_gfx = new Gfx(_s->resMan, _s->_segMan, _s->_kernel, _screen, _palette);
+	_cache = new GfxCache(_s->resMan, _screen, _palette);
+	_compare = new GfxCompare(_s->_segMan, _s->_kernel, _cache, _screen);
 }
 
 SciGui32::~SciGui32() {
-	delete _gfx;
+	delete _compare;
+	delete _cache;
 }
 
 void SciGui32::resetEngineState(EngineState *s) {
@@ -95,12 +98,12 @@ uint16 SciGui32::onControl(byte screenMask, Common::Rect rect) {
 
 	adjustedRect.translate(0, 10);
 
-	result = _gfx->onControl(screenMask, rect);
+	result = _compare->onControl(screenMask, rect);
 	return result;
 }
 
 void SciGui32::setNowSeen(reg_t objectReference) {
-	_gfx->SetNowSeen(objectReference);
+	_compare->SetNowSeen(objectReference);
 }
 
 bool SciGui32::canBeHere(reg_t curObject, reg_t listReference) {
@@ -114,19 +117,19 @@ bool SciGui32::canBeHere(reg_t curObject, reg_t listReference) {
 	checkRect.bottom = GET_SEL32V(_s->_segMan, curObject, brBottom);
 	signal = GET_SEL32V(_s->_segMan, curObject, signal);
 	controlMask = GET_SEL32V(_s->_segMan, curObject, illegalBits);
-	result = (_gfx->onControl(SCI_SCREEN_MASK_CONTROL, checkRect) & controlMask) ? false : true;
+	result = (_compare->onControl(SCI_SCREEN_MASK_CONTROL, checkRect) & controlMask) ? false : true;
 	if ((result)) { // gui16 && (signal & (kSignalIgnoreActor | kSignalRemoveView)) == 0) {
 		List *list = _s->_segMan->lookupList(listReference);
 		if (!list)
 			error("kCanBeHere called with non-list as parameter");
 
-		result = _gfx->CanBeHereCheckRectList(curObject, checkRect, list);
+		result = _compare->CanBeHereCheckRectList(curObject, checkRect, list);
 	}
 	return result;
 }
 
 bool SciGui32::isItSkip(GuiResourceId viewId, int16 loopNo, int16 celNo, Common::Point position) {
-	View *tmpView = _gfx->getView(viewId);
+	View *tmpView = _cache->getView(viewId);
 	CelInfo *celInfo = tmpView->getCelInfo(loopNo, celNo);
 	position.x = CLIP<int>(position.x, 0, celInfo->width - 1);
 	position.y = CLIP<int>(position.y, 0, celInfo->height - 1);
@@ -146,7 +149,7 @@ void SciGui32::baseSetter(reg_t object) {
 		int16 celNo = GET_SEL32V(_s->_segMan, object, cel);
 
 		if (viewId != SIGNAL_OFFSET) {
-			View *tmpView = _gfx->getView(viewId);
+			View *tmpView = _cache->getView(viewId);
 			Common::Rect celRect;
 
 			tmpView->getCelRect(loopNo, celNo, x, y, z, &celRect);
@@ -215,19 +218,19 @@ void SciGui32::setCursorZone(Common::Rect zone) {
 }
 
 int16 SciGui32::getCelWidth(GuiResourceId viewId, int16 loopNo, int16 celNo) {
-	return _gfx->getView(viewId)->getCelInfo(loopNo, celNo)->width;
+	return _cache->getView(viewId)->getCelInfo(loopNo, celNo)->width;
 }
 
 int16 SciGui32::getCelHeight(GuiResourceId viewId, int16 loopNo, int16 celNo) {
-	return _gfx->getView(viewId)->getCelInfo(loopNo, celNo)->height;
+	return _cache->getView(viewId)->getCelInfo(loopNo, celNo)->height;
 }
 
 int16 SciGui32::getLoopCount(GuiResourceId viewId) {
-	return _gfx->getView(viewId)->getLoopCount();
+	return _cache->getView(viewId)->getLoopCount();
 }
 
 int16 SciGui32::getCelCount(GuiResourceId viewId, int16 loopNo) {
-	return _gfx->getView(viewId)->getLoopInfo(loopNo)->celCount;
+	return _cache->getView(viewId)->getLoopInfo(loopNo)->celCount;
 }
 
 void SciGui32::syncWithFramebuffer() {
@@ -320,7 +323,7 @@ void SciGui32::frameOut() {
 
 				if (viewId != 0xffff) {
 					Common::Rect celRect;
-					View *view = _gfx->getView(viewId);
+					View *view = _cache->getView(viewId);
 
 					view->getCelRect(loopNo, celNo, x, y, z, &celRect);
 
diff --git a/engines/sci/graphics/gui32.h b/engines/sci/graphics/gui32.h
index 84fe7fef74..a336290776 100644
--- a/engines/sci/graphics/gui32.h
+++ b/engines/sci/graphics/gui32.h
@@ -33,13 +33,13 @@ namespace Sci {
 class Screen;
 class SciPalette;
 class Cursor;
-class Gfx;
+class GfxCache;
+class GfxCompare;
 class Text;
 
 class SciGui32 {
 public:
 	SciGui32(EngineState *s, Screen *screen, SciPalette *palette, Cursor *cursor);
-	SciGui32();
 	~SciGui32();
 
 	void init();
@@ -93,7 +93,8 @@ protected:
 	EngineState *_s;
 	Screen *_screen;
 	SciPalette *_palette;
-	Gfx *_gfx;
+	GfxCache *_cache;
+	GfxCompare *_compare;
 
 private:
 	Common::Array<reg_t> _screenItems;
diff --git a/engines/sci/graphics/menu.cpp b/engines/sci/graphics/menu.cpp
index a3b55608d4..0695d98f62 100644
--- a/engines/sci/graphics/menu.cpp
+++ b/engines/sci/graphics/menu.cpp
@@ -31,8 +31,9 @@
 #include "sci/event.h"
 #include "sci/engine/state.h"
 #include "sci/engine/selector.h"
-#include "sci/graphics/helpers.h"
-#include "sci/graphics/gfx.h"
+#include "sci/graphics/gui.h"
+#include "sci/graphics/ports.h"
+#include "sci/graphics/paint16.h"
 #include "sci/graphics/animate.h"
 #include "sci/graphics/cursor.h"
 #include "sci/graphics/font.h"
@@ -42,8 +43,8 @@
 
 namespace Sci {
 
-Menu::Menu(SciEvent *event, SegManager *segMan, SciGui *gui, Gfx *gfx, Text *text, Screen *screen, Cursor *cursor)
-	: _event(event), _segMan(segMan), _gui(gui), _gfx(gfx), _text(text), _screen(screen), _cursor(cursor) {
+Menu::Menu(SciEvent *event, SegManager *segMan, SciGui *gui, GfxPorts *ports, GfxPaint16 *paint16, Text *text, Screen *screen, Cursor *cursor)
+	: _event(event), _segMan(segMan), _gui(gui), _ports(ports), _paint16(paint16), _text(text), _screen(screen), _cursor(cursor) {
 
 	_listCount = 0;
 	// We actually set active item in here and remember last selection of the user
@@ -302,10 +303,10 @@ void Menu::drawBar() {
 	GuiMenuList::iterator listEnd = _list.end();
 
 	// Hardcoded black on white and a black line afterwards
-	_gfx->FillRect(_gfx->_menuBarRect, 1, _screen->getColorWhite());
-	_gfx->FillRect(_gfx->_menuLine, 1, 0);
-	_gfx->PenColor(0);
-	_gfx->MoveTo(8, 1);
+	_paint16->fillRect(_ports->_menuBarRect, 1, _screen->getColorWhite());
+	_paint16->fillRect(_ports->_menuLine, 1, 0);
+	_ports->penColor(0);
+	_ports->moveTo(8, 1);
 
 	listIterator = _list.begin();
 	while (listIterator != listEnd) {
@@ -410,21 +411,21 @@ reg_t Menu::select(reg_t eventObject) {
 	}
 
 	if (!_menuSaveHandle.isNull()) {
-		_gfx->BitsRestore(_menuSaveHandle);
+		_paint16->bitsRestore(_menuSaveHandle);
 		// Display line inbetween menubar and actual menu
 		Common::Rect menuLine = _menuRect;
 		menuLine.bottom = menuLine.top + 1;
-		_gfx->BitsShow(menuLine);
+		_paint16->bitsShow(menuLine);
 		_gui->graphRedrawBox(_menuRect);
 		_menuSaveHandle = NULL_REG;
 	}
 	if (!_barSaveHandle.isNull()) {
-		_gfx->BitsRestore(_barSaveHandle);
-		_gfx->BitsShow(_gfx->_menuRect);
+		_paint16->bitsRestore(_barSaveHandle);
+		_paint16->bitsShow(_ports->_menuRect);
 		_barSaveHandle = NULL_REG;
 	}
 	if (_oldPort)
-		_gfx->SetPort(_oldPort);
+		_ports->setPort(_oldPort);
 
 	if ((itemEntry) || (forceClaimed))
 		PUT_SEL32(_segMan, eventObject, claimed, make_reg(0, 1));
@@ -477,18 +478,18 @@ void Menu::drawMenu(uint16 oldMenuId, uint16 newMenuId) {
 
 	// Remove menu, if one is displayed
 	if (!_menuSaveHandle.isNull()) {
-		_gfx->BitsRestore(_menuSaveHandle);
+		_paint16->bitsRestore(_menuSaveHandle);
 		// Display line inbetween menubar and actual menu
 		Common::Rect menuLine = _menuRect;
 		menuLine.bottom = menuLine.top + 1;
-		_gfx->BitsShow(menuLine);
+		_paint16->bitsShow(menuLine);
 		_gui->graphRedrawBox(_menuRect);
 	}
 
 	// First calculate rect of menu and also invert old and new menu text
-	_menuRect.top = _gfx->_menuBarRect.bottom;
-	menuTextRect.top = _gfx->_menuBarRect.top;
-	menuTextRect.bottom = _gfx->_menuBarRect.bottom;
+	_menuRect.top = _ports->_menuBarRect.bottom;
+	menuTextRect.top = _ports->_menuBarRect.top;
+	menuTextRect.bottom = _ports->_menuBarRect.bottom;
 	menuTextRect.left = menuTextRect.right = 7;
 	listIterator = _list.begin();
 	while (listIterator != listEnd) {
@@ -500,20 +501,20 @@ void Menu::drawMenu(uint16 oldMenuId, uint16 newMenuId) {
 			_menuRect.left = menuTextRect.left;
 		if ((listNr == newMenuId) || (listNr == oldMenuId)) {
 			menuTextRect.translate(1, 0);
-			_gfx->InvertRect(menuTextRect);
+			_paint16->invertRect(menuTextRect);
 			menuTextRect.translate(-1, 0);
 		}
 
 		listIterator++;
 	}
-	_gfx->BitsShow(_gfx->_menuBarRect);
+	_paint16->bitsShow(_ports->_menuBarRect);
 
 	_menuRect.bottom = _menuRect.top + 2;
 	listItemIterator = _itemList.begin();
 	while (listItemIterator != listItemEnd) {
 		listItemEntry = *listItemIterator;
 		if (listItemEntry->menuId == newMenuId) {
-			_menuRect.bottom += _gfx->_curPort->fontHeight;
+			_menuRect.bottom += _ports->_curPort->fontHeight;
 			maxTextWidth = MAX<int16>(maxTextWidth, listItemEntry->textWidth);
 			maxTextRightAlignedWidth = MAX<int16>(maxTextRightAlignedWidth, listItemEntry->textRightAlignedWidth);
 		}
@@ -525,12 +526,12 @@ void Menu::drawMenu(uint16 oldMenuId, uint16 newMenuId) {
 		_menuRect.right -= 5;
 
 	// Save background
-	_menuSaveHandle = _gfx->BitsSave(_menuRect, SCI_SCREEN_MASK_VISUAL);
+	_menuSaveHandle = _paint16->bitsSave(_menuRect, SCI_SCREEN_MASK_VISUAL);
 
 	// Do the drawing
-	_gfx->FillRect(_menuRect, SCI_SCREEN_MASK_VISUAL, 0);
+	_paint16->fillRect(_menuRect, SCI_SCREEN_MASK_VISUAL, 0);
 	_menuRect.left++; _menuRect.right--; _menuRect.bottom--;
-	_gfx->FillRect(_menuRect, SCI_SCREEN_MASK_VISUAL, _screen->getColorWhite());
+	_paint16->fillRect(_menuRect, SCI_SCREEN_MASK_VISUAL, _screen->getColorWhite());
 
 	_menuRect.left += 8;
 	topPos = _menuRect.top + 1;
@@ -539,33 +540,33 @@ void Menu::drawMenu(uint16 oldMenuId, uint16 newMenuId) {
 		listItemEntry = *listItemIterator;
 		if (listItemEntry->menuId == newMenuId) {
 			if (!listItemEntry->separatorLine) {
-				_gfx->TextGreyedOutput(listItemEntry->enabled ? false : true);
-				_gfx->MoveTo(_menuRect.left, topPos);
+				_ports->textGreyedOutput(listItemEntry->enabled ? false : true);
+				_ports->moveTo(_menuRect.left, topPos);
 				_text->Draw_String(listItemEntry->text.c_str());
-				_gfx->MoveTo(_menuRect.right - listItemEntry->textRightAlignedWidth - 5, topPos);
+				_ports->moveTo(_menuRect.right - listItemEntry->textRightAlignedWidth - 5, topPos);
 				_text->Draw_String(listItemEntry->textRightAligned.c_str());
 			} else {
 				// We dont 100% follow sierra here, we draw the line from left to right. Looks better
 				// BTW. SCI1.1 seems to put 2 pixels and then skip one, we don't do this at all (lsl6)
-				pixelPos.y = topPos + (_gfx->_curPort->fontHeight >> 1) - 1;
+				pixelPos.y = topPos + (_ports->_curPort->fontHeight >> 1) - 1;
 				pixelPos.x = _menuRect.left - 7;
 				while (pixelPos.x < (_menuRect.right - 1)) {
 					_screen->putPixel(pixelPos.x, pixelPos.y, SCI_SCREEN_MASK_VISUAL, 0, 0, 0);
 					pixelPos.x += 2;
 				}
 			}
-			topPos += _gfx->_curPort->fontHeight;
+			topPos += _ports->_curPort->fontHeight;
 		}
 		listItemIterator++;
 	}
-	_gfx->TextGreyedOutput(false);
+	_ports->textGreyedOutput(false);
 
 	// Draw the black line again
-	_gfx->FillRect(_gfx->_menuLine, 1, 0);
+	_paint16->fillRect(_ports->_menuLine, 1, 0);
 
 	_menuRect.left -= 8;
 	_menuRect.left--; _menuRect.right++; _menuRect.bottom++;
-	_gfx->BitsShow(_menuRect);
+	_paint16->bitsShow(_menuRect);
 }
 
 void Menu::invertMenuSelection(uint16 itemId) {
@@ -574,12 +575,12 @@ void Menu::invertMenuSelection(uint16 itemId) {
 	if (itemId == 0)
 		return;
 
-	itemRect.top += (itemId - 1) * _gfx->_curPort->fontHeight + 1;
-	itemRect.bottom = itemRect.top + _gfx->_curPort->fontHeight;
+	itemRect.top += (itemId - 1) * _ports->_curPort->fontHeight + 1;
+	itemRect.bottom = itemRect.top + _ports->_curPort->fontHeight;
 	itemRect.left++; itemRect.right--;
 
-	_gfx->InvertRect(itemRect);
-	_gfx->BitsShow(itemRect);
+	_paint16->invertRect(itemRect);
+	_paint16->bitsShow(itemRect);
 }
 
 void Menu::interactiveShowMouse() {
@@ -627,7 +628,7 @@ uint16 Menu::mouseFindMenuItemSelection(Common::Point mousePosition, uint16 menu
 	while (listItemIterator != listItemEnd) {
 		listItemEntry = *listItemIterator;
 		if (listItemEntry->menuId == menuId) {
-			curYstart += _gfx->_curPort->fontHeight;
+			curYstart += _ports->_curPort->fontHeight;
 			// Found it
 			if ((!itemId) && (curYstart > mousePosition.y))
 				itemId = listItemEntry->id;
@@ -650,17 +651,17 @@ GuiMenuItemEntry *Menu::interactiveWithKeyboard() {
 	//  Also sierra sci didnt allow mouse interaction, when menu was activated via keyboard
 
 	calculateTextWidth();
-	_oldPort = _gfx->SetPort(_gfx->_menuPort);
-	_barSaveHandle = _gfx->BitsSave(_gfx->_menuRect, SCI_SCREEN_MASK_VISUAL);
+	_oldPort = _ports->setPort(_ports->_menuPort);
+	_barSaveHandle = _paint16->bitsSave(_ports->_menuRect, SCI_SCREEN_MASK_VISUAL);
 
-	_gfx->PenColor(0);
-	_gfx->BackColor(_screen->getColorWhite());
+	_ports->penColor(0);
+	_ports->backColor(_screen->getColorWhite());
 
 	drawBar();
 	drawMenu(0, curItemEntry->menuId);
 	invertMenuSelection(curItemEntry->id);
-	_gfx->BitsShow(_gfx->_menuRect);
-	_gfx->BitsShow(_menuRect);
+	_paint16->bitsShow(_ports->_menuRect);
+	_paint16->bitsShow(_menuRect);
 
 	while (true) {
 		curEvent = _event->get(SCI_EVENT_ANY);
@@ -771,14 +772,14 @@ GuiMenuItemEntry *Menu::interactiveWithMouse() {
 	GuiMenuItemEntry *curItemEntry = NULL;
 
 	calculateTextWidth();
-	_oldPort = _gfx->SetPort(_gfx->_menuPort);
-	_barSaveHandle = _gfx->BitsSave(_gfx->_menuRect, SCI_SCREEN_MASK_VISUAL);
+	_oldPort = _ports->setPort(_ports->_menuPort);
+	_barSaveHandle = _paint16->bitsSave(_ports->_menuRect, SCI_SCREEN_MASK_VISUAL);
 
-	_gfx->PenColor(0);
-	_gfx->BackColor(_screen->getColorWhite());
+	_ports->penColor(0);
+	_ports->backColor(_screen->getColorWhite());
 
 	drawBar();
-	_gfx->BitsShow(_gfx->_menuRect);
+	_paint16->bitsShow(_ports->_menuRect);
 
 	while (true) {
 		curEvent = _event->get(SCI_EVENT_ANY);
@@ -812,7 +813,7 @@ GuiMenuItemEntry *Menu::interactiveWithMouse() {
 			// Menu changed, remove cur menu and paint new menu
 			drawMenu(curMenuId, newMenuId);
 			if (firstMenuChange) {
-				_gfx->BitsShow(_gfx->_menuBarRect);
+				_paint16->bitsShow(_ports->_menuBarRect);
 				firstMenuChange = false;
 			}
 			curMenuId = newMenuId;
diff --git a/engines/sci/graphics/menu.h b/engines/sci/graphics/menu.h
index f594bdb496..2446ba40cf 100644
--- a/engines/sci/graphics/menu.h
+++ b/engines/sci/graphics/menu.h
@@ -78,7 +78,7 @@ typedef Common::List<GuiMenuItemEntry *> GuiMenuItemList;
 
 class Menu {
 public:
-	Menu(SciEvent *event, SegManager *segMan, SciGui *gui, Gfx *gfx, Text *text, Screen *screen, Cursor *cursor);
+	Menu(SciEvent *event, SegManager *segMan, SciGui *gui, GfxPorts *ports, GfxPaint16 *paint16, Text *text, Screen *screen, Cursor *cursor);
 	~Menu();
 
 	void reset();
@@ -105,7 +105,8 @@ private:
 	SciEvent *_event;
 	SegManager *_segMan;
 	SciGui *_gui;
-	Gfx *_gfx;
+	GfxPorts *_ports;
+	GfxPaint16 *_paint16;
 	Text *_text;
 	Screen *_screen;
 	Cursor *_cursor;
diff --git a/engines/sci/graphics/paint16.cpp b/engines/sci/graphics/paint16.cpp
new file mode 100644
index 0000000000..539059c4d2
--- /dev/null
+++ b/engines/sci/graphics/paint16.cpp
@@ -0,0 +1,333 @@
+/* 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.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#include "common/util.h"
+#include "common/stack.h"
+#include "graphics/primitives.h"
+
+#include "sci/sci.h"
+#include "sci/engine/state.h"
+#include "sci/engine/selector.h"
+#include "sci/graphics/cache.h"
+#include "sci/graphics/ports.h"
+#include "sci/graphics/paint16.h"
+#include "sci/graphics/animate.h"
+#include "sci/graphics/font.h"
+#include "sci/graphics/picture.h"
+#include "sci/graphics/view.h"
+#include "sci/graphics/screen.h"
+#include "sci/graphics/palette.h"
+#include "sci/graphics/text.h"
+
+namespace Sci {
+
+GfxPaint16::GfxPaint16(ResourceManager *resMan, SegManager *segMan, Kernel *kernel, GfxCache *cache, GfxPorts *ports, Screen *screen, SciPalette *palette)
+	: _resMan(resMan), _segMan(segMan), _kernel(kernel), _cache(cache), _ports(ports), _screen(screen), _palette(palette) {
+}
+
+GfxPaint16::~GfxPaint16() {
+}
+
+void GfxPaint16::init(Text *text) {
+	_text = text;
+
+	_EGAdrawingVisualize = false;
+}
+
+void GfxPaint16::setEGAdrawingVisualize(bool state) {
+	_EGAdrawingVisualize = state;
+}
+
+void GfxPaint16::drawPicture(GuiResourceId pictureId, int16 animationNr, bool mirroredFlag, bool addToFlag, GuiResourceId paletteId) {
+	SciGuiPicture *picture = new SciGuiPicture(_resMan, _ports, _screen, _palette, pictureId, _EGAdrawingVisualize);
+
+	// do we add to a picture? if not -> clear screen with white
+	if (!addToFlag)
+		clearScreen(_screen->getColorWhite());
+
+	picture->draw(animationNr, mirroredFlag, addToFlag, paletteId);
+	delete picture;
+}
+
+// This one is the only one that updates screen!
+void GfxPaint16::drawCelAndShow(GuiResourceId viewId, int16 loopNo, int16 celNo, uint16 leftPos, uint16 topPos, byte priority, uint16 paletteNo, uint16 scaleX, uint16 scaleY) {
+	View *view = _cache->getView(viewId);
+	Common::Rect celRect;
+
+	if (view) {
+		celRect.left = leftPos;
+		celRect.top = topPos;
+		celRect.right = celRect.left + view->getWidth(loopNo, celNo);
+		celRect.bottom = celRect.top + view->getHeight(loopNo, celNo);
+
+		drawCel(view, loopNo, celNo, celRect, priority, paletteNo, scaleX, scaleY);
+
+		if (getSciVersion() >= SCI_VERSION_1_1) {
+			if (!_screen->_picNotValidSci11) {
+				bitsShow(celRect);
+			}
+		} else {
+			if (!_screen->_picNotValid)
+				bitsShow(celRect);
+		}
+	}
+}
+
+// This version of drawCel is not supposed to call BitsShow()!
+void GfxPaint16::drawCel(GuiResourceId viewId, int16 loopNo, int16 celNo, Common::Rect celRect, byte priority, uint16 paletteNo, uint16 scaleX, uint16 scaleY) {
+	drawCel(_cache->getView(viewId), loopNo, celNo, celRect, priority, paletteNo, scaleX, scaleY);
+}
+
+// This version of drawCel is not supposed to call BitsShow()!
+void GfxPaint16::drawCel(View *view, int16 loopNo, int16 celNo, Common::Rect celRect, byte priority, uint16 paletteNo, uint16 scaleX, uint16 scaleY) {
+	Common::Rect clipRect = celRect;
+	clipRect.clip(_ports->_curPort->rect);
+	if (clipRect.isEmpty()) // nothing to draw
+		return;
+
+	Common::Rect clipRectTranslated = clipRect;
+	_ports->offsetRect(clipRectTranslated);
+	if (scaleX == 128 && scaleY == 128) {
+		view->draw(celRect, clipRect, clipRectTranslated, loopNo, celNo, priority, paletteNo, false);
+	} else {
+		view->drawScaled(celRect, clipRect, clipRectTranslated, loopNo, celNo, priority, scaleX, scaleY);
+	}
+}
+
+// This is used as replacement for drawCelAndShow() when hires-cels are drawn to screen
+//  Hires-cels are available only SCI 1.1+
+void GfxPaint16::drawHiresCelAndShow(GuiResourceId viewId, int16 loopNo, int16 celNo, uint16 leftPos, uint16 topPos, byte priority, uint16 paletteNo, reg_t upscaledHiresHandle, uint16 scaleX, uint16 scaleY) {
+	View *view = _cache->getView(viewId);
+	Common::Rect celRect, curPortRect, clipRect, clipRectTranslated;
+	Common::Point curPortPos;
+	bool upscaledHiresHack = false;
+
+	if (view) {
+		if ((leftPos == 0) && (topPos == 0)) {
+			// HACK: in kq6, we get leftPos&topPos == 0 SOMETIMES, that's why we need to get coordinates from upscaledHiresHandle
+			//  I'm not sure if this is what we are supposed to do or if there is some other bug that actually makes
+			//  coordinates to be 0 in the first place
+			byte *memoryPtr = NULL;
+			memoryPtr = kmem(_segMan, upscaledHiresHandle);
+			if (memoryPtr) {
+				Common::Rect upscaledHiresRect;
+				_screen->bitsGetRect(memoryPtr, &upscaledHiresRect);
+				leftPos = upscaledHiresRect.left;
+				topPos = upscaledHiresRect.top;
+				upscaledHiresHack = true;
+			}
+		}
+
+		celRect.left = leftPos;
+		celRect.top = topPos;
+		celRect.right = celRect.left + view->getWidth(loopNo, celNo);
+		celRect.bottom = celRect.top + view->getHeight(loopNo, celNo);
+		// adjust curPort to upscaled hires
+		clipRect = celRect;
+		curPortRect = _ports->_curPort->rect;
+		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;
+
+		clipRectTranslated = clipRect;
+		if (!upscaledHiresHack) {
+			curPortPos.x = _ports->_curPort->left * 2; curPortPos.y = _ports->_curPort->top * 2;
+			clipRectTranslated.top += curPortPos.y; clipRectTranslated.bottom += curPortPos.y;
+			clipRectTranslated.left += curPortPos.x; clipRectTranslated.right += curPortPos.x;
+		}
+
+		view->draw(celRect, clipRect, clipRectTranslated, loopNo, celNo, priority, paletteNo, true);
+		if (!_screen->_picNotValidSci11) {
+			_screen->copyDisplayRectToScreen(clipRectTranslated);
+		}
+	}
+}
+
+void GfxPaint16::clearScreen(byte color) {
+	fillRect(_ports->_curPort->rect, SCI_SCREEN_MASK_ALL, color, 0, 0);
+}
+
+void GfxPaint16::invertRect(const Common::Rect &rect) {
+	int16 oldpenmode = _ports->_curPort->penMode;
+	_ports->_curPort->penMode = 2;
+	fillRect(rect, 1, _ports->_curPort->penClr, _ports->_curPort->backClr);
+	_ports->_curPort->penMode = oldpenmode;
+}
+
+void GfxPaint16::eraseRect(const Common::Rect &rect) {
+	fillRect(rect, 1, _ports->_curPort->backClr);
+}
+
+void GfxPaint16::paintRect(const Common::Rect &rect) {
+	fillRect(rect, 1, _ports->_curPort->penClr);
+}
+
+void GfxPaint16::fillRect(const Common::Rect &rect, int16 drawFlags, byte clrPen, byte clrBack, byte bControl) {
+	Common::Rect r = rect;
+	r.clip(_ports->_curPort->rect);
+	if (r.isEmpty()) // nothing to fill
+		return;
+
+	int16 oldPenMode = _ports->_curPort->penMode;
+	_ports->offsetRect(r);
+	int16 x, y;
+	byte curVisual;
+
+	// Doing visual first
+	if (drawFlags & SCI_SCREEN_MASK_VISUAL) {
+		if (oldPenMode == 2) { // invert mode
+			for (y = r.top; y < r.bottom; y++) {
+				for (x = r.left; x < r.right; x++) {
+					curVisual = _screen->getVisual(x, y);
+					if (curVisual == clrPen) {
+						_screen->putPixel(x, y, 1, clrBack, 0, 0);
+					} else if (curVisual == clrBack) {
+						_screen->putPixel(x, y, 1, clrPen, 0, 0);
+					}
+				}
+			}
+		} else { // just fill rect with ClrPen
+			for (y = r.top; y < r.bottom; y++) {
+				for (x = r.left; x < r.right; x++) {
+					_screen->putPixel(x, y, 1, clrPen, 0, 0);
+				}
+			}
+		}
+	}
+
+	if (drawFlags < 2)
+		return;
+	drawFlags &= SCI_SCREEN_MASK_PRIORITY|SCI_SCREEN_MASK_CONTROL;
+
+	if (oldPenMode != 2) {
+		for (y = r.top; y < r.bottom; y++) {
+			for (x = r.left; x < r.right; x++) {
+				_screen->putPixel(x, y, drawFlags, 0, clrBack, bControl);
+			}
+		}
+	} else {
+		for (y = r.top; y < r.bottom; y++) {
+			for (x = r.left; x < r.right; x++) {
+				_screen->putPixel(x, y, drawFlags, 0, !_screen->getPriority(x, y), !_screen->getControl(x, y));
+			}
+		}
+	}
+}
+
+void GfxPaint16::frameRect(const Common::Rect &rect) {
+	Common::Rect r;
+	// left
+	r = rect;
+	r.right = rect.left + 1;
+	paintRect(r);
+	// right
+	r.right = rect.right;
+	r.left = rect.right - 1;
+	paintRect(r);
+	//top
+	r.left = rect.left;
+	r.bottom = rect.top + 1;
+	paintRect(r);
+	//bottom
+	r.bottom = rect.bottom;
+	r.top = rect.bottom - 1;
+	paintRect(r);
+}
+
+void GfxPaint16::bitsShow(const Common::Rect &rect) {
+	Common::Rect workerRect(rect.left, rect.top, rect.right, rect.bottom);
+	workerRect.clip(_ports->_curPort->rect);
+	if (workerRect.isEmpty()) // nothing to show
+		return;
+
+	_ports->offsetRect(workerRect);
+	_screen->copyRectToScreen(workerRect);
+}
+
+void GfxPaint16::bitsShowHires(const Common::Rect &rect) {
+	_screen->copyDisplayRectToScreen(rect);
+}
+
+reg_t GfxPaint16::bitsSave(const Common::Rect &rect, byte screenMask) {
+	reg_t memoryId;
+	byte *memoryPtr;
+	int size;
+
+	Common::Rect workerRect(rect.left, rect.top, rect.right, rect.bottom);
+	workerRect.clip(_ports->_curPort->rect);
+	if (workerRect.isEmpty()) // nothing to save
+		return NULL_REG;
+
+	if (screenMask == SCI_SCREEN_MASK_DISPLAY) {
+		// Adjust rect to upscaled hires, but dont adjust according to port
+		workerRect.top *= 2; workerRect.bottom *= 2; workerRect.bottom++;
+		workerRect.left *= 2; workerRect.right *= 2; workerRect.right++;
+	} else {
+		_ports->offsetRect(workerRect);
+	}
+
+	// now actually ask _screen how much space it will need for saving
+	size = _screen->bitsGetDataSize(workerRect, screenMask);
+
+	memoryId = kalloc(_segMan, "SaveBits()", size);
+	memoryPtr = kmem(_segMan, memoryId);
+	_screen->bitsSave(workerRect, screenMask, memoryPtr);
+	return memoryId;
+}
+
+void GfxPaint16::bitsGetRect(reg_t memoryHandle, Common::Rect *destRect) {
+	byte *memoryPtr = NULL;
+
+	if (!memoryHandle.isNull()) {
+		memoryPtr = kmem(_segMan, memoryHandle);
+
+		if (memoryPtr) {
+			_screen->bitsGetRect(memoryPtr, destRect);
+		}
+	}
+}
+
+void GfxPaint16::bitsRestore(reg_t memoryHandle) {
+	byte *memoryPtr = NULL;
+
+	if (!memoryHandle.isNull()) {
+		memoryPtr = kmem(_segMan, memoryHandle);
+
+		if (memoryPtr) {
+			_screen->bitsRestore(memoryPtr);
+			kfree(_segMan, memoryHandle);
+		}
+	}
+}
+
+void GfxPaint16::bitsFree(reg_t memoryHandle) {
+	if (!memoryHandle.isNull()) {
+		kfree(_segMan, memoryHandle);
+	}
+}
+
+} // End of namespace Sci
diff --git a/engines/sci/graphics/gfx.h b/engines/sci/graphics/paint16.h
index 284cc6f8f4..2a6f35a360 100644
--- a/engines/sci/graphics/gfx.h
+++ b/engines/sci/graphics/paint16.h
@@ -23,8 +23,8 @@
  *
  */
 
-#ifndef SCI_GRAPHICS_GFX_H
-#define SCI_GRAPHICS_GFX_H
+#ifndef SCI_GRAPHICS_PAINT16_H
+#define SCI_GRAPHICS_PAINT16_H
 
 #include "sci/graphics/gui.h"
 
@@ -32,56 +32,20 @@
 
 namespace Sci {
 
-#define SCI_TEXT_ALIGNMENT_RIGHT -1
-#define SCI_TEXT_ALIGNMENT_CENTER 1
-#define SCI_TEXT_ALIGNMENT_LEFT	0
-
+class GfxPorts;
 class Screen;
 class SciPalette;
 class Font;
 class SciGuiPicture;
 class View;
 
-typedef Common::HashMap<int, View *> ViewCache;
-
-class Gfx {
+class GfxPaint16 {
 public:
-	Gfx(ResourceManager *resMan, SegManager *segMan, Kernel *kernel, Screen *screen, SciPalette *palette);
-	~Gfx();
+	GfxPaint16(ResourceManager *resMan, SegManager *segMan, Kernel *kernel, GfxCache *cache, GfxPorts *ports, Screen *screen, SciPalette *palette);
+	~GfxPaint16();
 
 	void init(Text *text);
 
-	byte *GetSegment(byte seg);
-	void ResetScreen();
-
-	Port *SetPort(Port *port);
-	Port *GetPort();
-	void SetOrigin(int16 left, int16 top);
-	void MoveTo(int16 left, int16 top);
-	void Move(int16 left, int16 top);
-	void OpenPort(Port *port);
-	void PenColor(int16 color);
-	void BackColor(int16 color);
-	void PenMode(int16 mode);
-	void TextGreyedOutput(bool state);
-	int16 GetPointSize();
-
-	void ClearScreen(byte color = 255);
-	void InvertRect(const Common::Rect &rect);
-	void EraseRect(const Common::Rect &rect);
-	void PaintRect(const Common::Rect &rect);
-	void FillRect(const Common::Rect &rect, int16 drawFlags, byte clrPen, byte clrBack = 0, byte bControl = 0);
-	void FrameRect(const Common::Rect &rect);
-	void OffsetRect(Common::Rect &r);
-	void OffsetLine(Common::Point &start, Common::Point &end);
-
-	void BitsShow(const Common::Rect &r);
-	void BitsShowHires(const Common::Rect &rect);
-	reg_t BitsSave(const Common::Rect &rect, byte screenFlags);
-	void BitsGetRect(reg_t memoryHandle, Common::Rect *destRect);
-	void BitsRestore(reg_t memoryHandle);
-	void BitsFree(reg_t memoryHandle);
-
 	void setEGAdrawingVisualize(bool state);
 
 	void drawPicture(GuiResourceId pictureId, int16 animationNr, bool mirroredFlag, bool addToFlag, GuiResourceId paletteId);
@@ -90,51 +54,32 @@ public:
 	void drawCel(View *view, int16 loopNo, int16 celNo, Common::Rect celRect, byte priority, uint16 paletteNo, uint16 scaleX = 128, uint16 scaleY = 128);
 	void drawHiresCelAndShow(GuiResourceId viewId, int16 loopNo, int16 celNo, uint16 leftPos, uint16 topPos, byte priority, uint16 paletteNo, reg_t upscaledHiresHandle, uint16 scaleX = 128, uint16 scaleY = 128);
 
-	uint16 onControl(uint16 screenMask, Common::Rect rect);
-
-	void PriorityBandsInit(int16 bandCount, int16 top, int16 bottom);
-	void PriorityBandsInit(byte *data);
-	void PriorityBandsRemember(byte *data);
-	void PriorityBandsRecall();
-	byte CoordinateToPriority(int16 y);
-	int16 PriorityToCoordinate(byte priority);
-
-	bool CanBeHereCheckRectList(reg_t checkObject, Common::Rect checkRect, List *list);
-
-	void SetNowSeen(reg_t objectReference);
+	void clearScreen(byte color = 255);
+	void invertRect(const Common::Rect &rect);
+	void eraseRect(const Common::Rect &rect);
+	void paintRect(const Common::Rect &rect);
+	void fillRect(const Common::Rect &rect, int16 drawFlags, byte clrPen, byte clrBack = 0, byte bControl = 0);
+	void frameRect(const Common::Rect &rect);
 
-	Port *_menuPort;
-	Common::Rect _menuBarRect;
-	Common::Rect _menuRect;
-	Common::Rect _menuLine;
-	Port *_curPort;
-
-	View *getView(GuiResourceId viewNum);
+	void bitsShow(const Common::Rect &r);
+	void bitsShowHires(const Common::Rect &rect);
+	reg_t bitsSave(const Common::Rect &rect, byte screenFlags);
+	void bitsGetRect(reg_t memoryHandle, Common::Rect *destRect);
+	void bitsRestore(reg_t memoryHandle);
+	void bitsFree(reg_t memoryHandle);
 
 private:
-	void purgeCache();
-
 	ResourceManager *_resMan;
 	SegManager *_segMan;
 	Kernel *_kernel;
+	GfxCache *_cache;
+	GfxPorts *_ports;
 	Screen *_screen;
 	SciPalette *_palette;
 	Text *_text;
 
-	Common::Rect _bounds;
-	Port *_mainPort;
-
-	// Priority Bands related variables
-	int16 _priorityTop, _priorityBottom, _priorityBandCount;
-	byte _priorityBands[200];
-
-	ViewCache _cachedViews;
-
 	// true means make EGA picture drawing visible
 	bool _EGAdrawingVisualize;
-
-	byte priorityBandsMemory[14];
-	bool priorityBandsMemoryActive;
 };
 
 } // End of namespace Sci
diff --git a/engines/sci/graphics/picture.cpp b/engines/sci/graphics/picture.cpp
index f914158fb1..9831a60c2c 100644
--- a/engines/sci/graphics/picture.cpp
+++ b/engines/sci/graphics/picture.cpp
@@ -28,13 +28,13 @@
 #include "sci/engine/state.h"
 #include "sci/graphics/screen.h"
 #include "sci/graphics/palette.h"
-#include "sci/graphics/gfx.h"
+#include "sci/graphics/ports.h"
 #include "sci/graphics/picture.h"
 
 namespace Sci {
 
-SciGuiPicture::SciGuiPicture(ResourceManager *resMan, Gfx *gfx, Screen *screen, SciPalette *palette, GuiResourceId resourceId, bool EGAdrawingVisualize)
-	: _resMan(resMan), _gfx(gfx), _screen(screen), _palette(palette), _resourceId(resourceId), _EGAdrawingVisualize(EGAdrawingVisualize) {
+SciGuiPicture::SciGuiPicture(ResourceManager *resMan, GfxPorts *ports, Screen *screen, SciPalette *palette, GuiResourceId resourceId, bool EGAdrawingVisualize)
+	: _resMan(resMan), _ports(ports), _screen(screen), _palette(palette), _resourceId(resourceId), _EGAdrawingVisualize(EGAdrawingVisualize) {
 	assert(resourceId != -1);
 	initData(resourceId);
 }
@@ -81,7 +81,7 @@ void SciGuiPicture::draw(int16 animationNr, bool mirroredFlag, bool addToFlag, i
 
 void SciGuiPicture::reset() {
 	int16 x, y;
-	for (y = _gfx->GetPort()->top; y < _screen->getHeight(); y++) {
+	for (y = _ports->getPort()->top; y < _screen->getHeight(); y++) {
 		for (x = 0; x < _screen->getWidth(); x++) {
 			_screen->putPixel(x, y, SCI_SCREEN_MASK_ALL, 255, 0, 0);
 		}
@@ -113,7 +113,7 @@ void SciGuiPicture::drawSci11Vga() {
 	drawVectorData(inbuffer + vector_dataPos, vector_size);
 
 	// Remember priority band information for later
-	_gfx->PriorityBandsRemember(inbuffer + 40);
+	_ports->priorityBandsRemember(inbuffer + 40);
 }
 
 #ifdef ENABLE_SCI32
@@ -265,12 +265,12 @@ void SciGuiPicture::drawCelData(byte *inbuffer, int size, int headerPos, int rle
 		memcpy(celBitmap, rlePtr, pixelCount);
 	}
 
-	if (_gfx) {
+	if (_ports) {
 		// Set initial vertical coordinate by using current port
-		y = callerY + _gfx->GetPort()->top;
-		lastY = MIN<int16>(height + y, _gfx->GetPort()->rect.bottom + _gfx->GetPort()->top);
-		leftX = callerX + _gfx->GetPort()->left;
-		rightX = MIN<int16>(width + leftX, _gfx->GetPort()->rect.right + _gfx->GetPort()->left);
+		y = callerY + _ports->getPort()->top;
+		lastY = MIN<int16>(height + y, _ports->getPort()->rect.bottom + _ports->getPort()->top);
+		leftX = callerX + _ports->getPort()->left;
+		rightX = MIN<int16>(width + leftX, _ports->getPort()->rect.right + _ports->getPort()->left);
 	} else {
 		y = callerY + 10; // TODO: Implement plane support for SCI32
 		lastY = y + height;
@@ -445,7 +445,7 @@ void SciGuiPicture::drawVectorData(byte *data, int dataSize) {
 				vectorGetRelCoords(data, curPos, x, y);
 				Common::Point startPoint(oldx, oldy);
 				Common::Point endPoint(x, y);
-				_gfx->OffsetLine(startPoint, endPoint);
+				_ports->offsetLine(startPoint, endPoint);
 				_screen->drawLine(startPoint, endPoint, pic_color, pic_priority, pic_control);
 			}
 			break;
@@ -456,7 +456,7 @@ void SciGuiPicture::drawVectorData(byte *data, int dataSize) {
 				vectorGetRelCoordsMed(data, curPos, x, y);
 				Common::Point startPoint(oldx, oldy);
 				Common::Point endPoint(x, y);
-				_gfx->OffsetLine(startPoint, endPoint);
+				_ports->offsetLine(startPoint, endPoint);
 				_screen->drawLine(startPoint, endPoint, pic_color, pic_priority, pic_control);
 			}
 			break;
@@ -467,7 +467,7 @@ void SciGuiPicture::drawVectorData(byte *data, int dataSize) {
 				vectorGetAbsCoords(data, curPos, x, y);
 				Common::Point startPoint(oldx, oldy);
 				Common::Point endPoint(x, y);
-				_gfx->OffsetLine(startPoint, endPoint);
+				_ports->offsetLine(startPoint, endPoint);
 				_screen->drawLine(startPoint, endPoint, pic_color, pic_priority, pic_control);
 			}
 			break;
@@ -550,7 +550,7 @@ void SciGuiPicture::drawVectorData(byte *data, int dataSize) {
 					curPos += size;
 					break;
 				case PIC_OPX_EGA_SET_PRIORITY_TABLE:
-					_gfx->PriorityBandsInit(data + curPos);
+					_ports->priorityBandsInit(data + curPos);
 					curPos += 14;
 					break;
 				default:
@@ -590,11 +590,11 @@ void SciGuiPicture::drawVectorData(byte *data, int dataSize) {
 					curPos += size;
 					break;
 				case PIC_OPX_VGA_PRIORITY_TABLE_EQDIST:
-					_gfx->PriorityBandsInit(-1, READ_LE_UINT16(data + curPos), READ_LE_UINT16(data + curPos + 2));
+					_ports->priorityBandsInit(-1, READ_LE_UINT16(data + curPos), READ_LE_UINT16(data + curPos + 2));
 					curPos += 4;
 					break;
 				case PIC_OPX_VGA_PRIORITY_TABLE_EXPLICIT:
-					_gfx->PriorityBandsInit(data + curPos);
+					_ports->priorityBandsInit(data + curPos);
 					curPos += 14;
 					break;
 				default:
@@ -677,7 +677,7 @@ void SciGuiPicture::vectorGetPatternTexture(byte *data, int &curPos, int16 patte
 
 // Do not replace w/ some generic code. This algo really needs to behave exactly as the one from sierra
 void SciGuiPicture::vectorFloodFill(int16 x, int16 y, byte color, byte priority, byte control) {
-	Port *curPort = _gfx->GetPort();
+	Port *curPort = _ports->getPort();
 	Common::Stack<Common::Point> stack;
 	Common::Point p, p1;
 	byte screenMask = _screen->getDrawingMask(color, priority, control);
@@ -979,7 +979,7 @@ void SciGuiPicture::vectorPattern(int16 x, int16 y, byte color, byte priority, b
 
 	rect.top = y; rect.left = x;
 	rect.setHeight((size*2)+1); rect.setWidth((size*2)+2);
-	_gfx->OffsetRect(rect);
+	_ports->offsetRect(rect);
 	rect.clip(_screen->getWidth(), _screen->getHeight());
 
 	if (code & SCI_PATTERN_CODE_RECTANGLE) {
diff --git a/engines/sci/graphics/picture.h b/engines/sci/graphics/picture.h
index 04a5fb8fd6..34e8988bea 100644
--- a/engines/sci/graphics/picture.h
+++ b/engines/sci/graphics/picture.h
@@ -32,9 +32,13 @@ namespace Sci {
 #define SCI_PATTERN_CODE_USE_TEXTURE 0x20
 #define SCI_PATTERN_CODE_PENSIZE 0x07
 
+class GfxPorts;
+class Screen;
+class SciPalette;
+
 class SciGuiPicture {
 public:
-	SciGuiPicture(ResourceManager *resMan, Gfx *gfx, Screen *screen, SciPalette *palette, GuiResourceId resourceId, bool EGAdrawingVisualize = false);
+	SciGuiPicture(ResourceManager *resMan, GfxPorts *ports, Screen *screen, SciPalette *palette, GuiResourceId resourceId, bool EGAdrawingVisualize = false);
 	~SciGuiPicture();
 
 	GuiResourceId getResourceId();
@@ -63,7 +67,7 @@ private:
 	void vectorPatternTexturedCircle(Common::Rect box, byte size, byte color, byte prio, byte control, byte texture);
 
 	ResourceManager *_resMan;
-	Gfx *_gfx;
+	GfxPorts *_ports;
 	Screen *_screen;
 	SciPalette *_palette;
 
diff --git a/engines/sci/graphics/ports.cpp b/engines/sci/graphics/ports.cpp
new file mode 100644
index 0000000000..2b4a9c9afa
--- /dev/null
+++ b/engines/sci/graphics/ports.cpp
@@ -0,0 +1,530 @@
+/* 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.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#include "common/util.h"
+
+#include "sci/sci.h"
+#include "sci/engine/state.h"
+#include "sci/graphics/screen.h"
+#include "sci/graphics/paint16.h"
+#include "sci/graphics/animate.h"
+#include "sci/graphics/text.h"
+#include "sci/graphics/ports.h"
+
+namespace Sci {
+
+// window styles
+enum {
+	SCI_WINDOWMGR_STYLE_TRANSPARENT = (1 << 0),
+	SCI_WINDOWMGR_STYLE_NOFRAME     = (1 << 1),
+	SCI_WINDOWMGR_STYLE_TITLE       = (1 << 2),
+	SCI_WINDOWMGR_STYLE_TOPMOST     = (1 << 3),
+	SCI_WINDOWMGR_STYLE_USER        = (1 << 7)
+};
+
+GfxPorts::GfxPorts(SegManager *segMan, Screen *screen)
+	: _segMan(segMan), _screen(screen) {
+}
+
+GfxPorts::~GfxPorts() {
+	// TODO: Clear _windowList and delete all stuff in it?
+	delete _mainPort;
+	delete _menuPort;
+}
+
+void GfxPorts::init(SciGui *gui, GfxPaint16 *paint16, Text *text, Common::String gameId) {
+	int16 offTop = 10;
+
+	_gui = gui;
+	_paint16 = paint16;
+	_text = text;
+
+	// _mainPort is not known to windowmanager, that's okay according to sierra sci
+	//  its not even used currently in our engine
+	_mainPort = new Port(0);
+	setPort(_mainPort);
+	openPort(_mainPort);
+
+	// _menuPort has actually hardcoded id 0xFFFF. Its not meant to be known to windowmanager according to sierra sci
+	_menuPort = new Port(0xFFFF);
+	openPort(_menuPort);
+	_text->SetFont(0);
+	_menuPort->rect = Common::Rect(0, 0, _screen->getWidth(), _screen->getHeight());
+	_menuBarRect = Common::Rect(0, 0, _screen->getWidth(), 9);
+	_menuRect = Common::Rect(0, 0, _screen->getWidth(), 10);
+	_menuLine = Common::Rect(0, 9, _screen->getWidth(), 10);
+
+	_wmgrPort = new Port(1);
+	_windowsById.resize(2);
+	_windowsById[0] = _wmgrPort; // wmgrPort is supposed to be accessible via id 0
+	_windowsById[1] = _wmgrPort; //  but wmgrPort may not actually have id 0, so we assign id 1 (as well)
+	// Background: sierra sci replies with the offset of curPort on kGetPort calls. If we reply with 0 there most games
+	//				will work, but some scripts seem to check for 0 and initialize the variable again in that case
+	//				resulting in problems.
+
+	// Jones, Slater and Hoyle 3 were called with parameter -Nw 0 0 200 320.
+	// This actually meant not skipping the first 10 pixellines in windowMgrPort
+	if (gameId == "jones" || gameId == "slater" || gameId == "hoyle3")
+		offTop = 0;
+
+	openPort(_wmgrPort);
+	setPort(_wmgrPort);
+	setOrigin(0, offTop);
+	_wmgrPort->rect.bottom = _screen->getHeight() - offTop;
+	_wmgrPort->rect.right = _screen->getWidth();
+	_wmgrPort->rect.moveTo(0, 0);
+	_wmgrPort->curTop = 0;
+	_wmgrPort->curLeft = 0;
+	_windowList.push_front(_wmgrPort);
+
+	_picWind = newWindow(Common::Rect(0, offTop, _screen->getWidth(), _screen->getHeight()), 0, 0, SCI_WINDOWMGR_STYLE_TRANSPARENT | SCI_WINDOWMGR_STYLE_NOFRAME, 0, true);
+
+	priorityBandsMemoryActive = false;
+}
+
+void GfxPorts::kernelSetActive(uint16 portId) {
+	switch (portId) {
+	case 0:
+		setPort(_wmgrPort);
+		break;
+	case 0xFFFF:
+		setPort(_menuPort);
+		break;
+	default:
+		setPort(getPortById(portId));
+	};
+}
+
+Common::Rect GfxPorts::kernelGetPicWindow(int16 &picTop, int16 &picLeft) {
+	picTop = _picWind->top;
+	picLeft = _picWind->left;
+	return _picWind->rect;
+}
+
+void GfxPorts::kernelSetPicWindow(Common::Rect rect, int16 picTop, int16 picLeft, bool initPriorityBandsFlag) {
+	_picWind->rect = rect;
+	_picWind->top = picTop;
+	_picWind->left = picLeft;
+	// TODO: fixme before joining
+	//if (initPriorityBandsFlag)
+	//	initPriorityBands();
+}
+
+reg_t GfxPorts::kernelGetActive() {
+	return make_reg(0, getPort()->id);
+}
+
+reg_t GfxPorts::kernelNewWindow(Common::Rect dims, Common::Rect restoreRect, uint16 style, int16 priority, int16 colorPen, int16 colorBack, const char *title) {
+	Window *wnd = NULL;
+
+	if (restoreRect.top != 0 && restoreRect.left != 0 && restoreRect.height() != 0 && restoreRect.width() != 0)
+		wnd = newWindow(dims, &restoreRect, title, style, priority, false);
+	else
+		wnd = newWindow(dims, NULL, title, style, priority, false);
+	wnd->penClr = colorPen;
+	wnd->backClr = colorBack;
+	drawWindow(wnd);
+
+	return make_reg(0, wnd->id);
+}
+
+void GfxPorts::kernelDisposeWindow(uint16 windowId, bool reanimate) {
+	Window *wnd = (Window *)getPortById(windowId);
+	disposeWindow(wnd, reanimate);
+}
+
+int16 GfxPorts::isFrontWindow(Window *pWnd) {
+	return _windowList.back() == pWnd;
+}
+
+void GfxPorts::beginUpdate(Window *wnd) {
+	Port *oldPort = setPort(_wmgrPort);
+	PortList::iterator it = _windowList.reverse_begin();
+	const PortList::iterator end = Common::find(_windowList.begin(), _windowList.end(), wnd);
+	while (it != end) {
+		// FIXME: We also store Port objects in the window list.
+		// We should add a check that we really only pass windows here...
+		updateWindow((Window *)*it);
+		--it;
+	}
+	setPort(oldPort);
+}
+
+void GfxPorts::endUpdate(Window *wnd) {
+	Port *oldPort = setPort(_wmgrPort);
+	const PortList::iterator end = _windowList.end();
+	PortList::iterator it = Common::find(_windowList.begin(), end, wnd);
+
+	// wnd has to be in _windowList
+	assert(it != end);
+
+	while (++it != end) {
+		// FIXME: We also store Port objects in the window list.
+		// We should add a check that we really only pass windows here...
+		updateWindow((Window *)*it);
+	}
+
+	setPort(oldPort);
+}
+
+Window *GfxPorts::newWindow(const Common::Rect &dims, const Common::Rect *restoreRect, const char *title, uint16 style, int16 priority, bool draw) {
+	// Find an unused window/port id
+	uint id = 1;
+	while (id < _windowsById.size() && _windowsById[id]) {
+		++id;
+	}
+	if (id == _windowsById.size())
+		_windowsById.push_back(0);
+	assert(0 < id && id < 0xFFFF);
+
+	Window *pwnd = new Window(id);
+	Common::Rect r;
+
+	if (!pwnd) {
+		warning("Can't open window!");
+		return 0;
+	}
+
+	_windowsById[id] = pwnd;
+	if (style & SCI_WINDOWMGR_STYLE_TOPMOST)
+		_windowList.push_front(pwnd);
+	else
+		_windowList.push_back(pwnd);
+	openPort(pwnd);
+	r = dims;
+	pwnd->rect = dims;
+	if (restoreRect)
+		pwnd->restoreRect = *restoreRect;
+
+	pwnd->wndStyle = style;
+	pwnd->hSaved1 = pwnd->hSaved2 = NULL_REG;
+	pwnd->bDrawn = false;
+	if ((style & SCI_WINDOWMGR_STYLE_TRANSPARENT) == 0)
+		pwnd->saveScreenMask = (priority == -1 ? SCI_SCREEN_MASK_VISUAL : SCI_SCREEN_MASK_VISUAL | SCI_SCREEN_MASK_PRIORITY);
+
+	if (title && (style & SCI_WINDOWMGR_STYLE_TITLE)) {
+		pwnd->title = title;
+	}
+
+	r = dims;
+	if ((style != SCI_WINDOWMGR_STYLE_USER) && !(style & SCI_WINDOWMGR_STYLE_NOFRAME)) {
+		r.grow(1);
+		if (style & SCI_WINDOWMGR_STYLE_TITLE) {
+			r.top -= 10;
+			r.bottom++;
+		}
+	}
+
+	// FIXME: it seems as if shadows may result in the window getting moved one upwards
+	//         so that the shadow is visible (lsl5)
+
+	pwnd->dims = r;
+	const Common::Rect *wmprect = &_wmgrPort->rect;
+	int16 oldtop = pwnd->dims.top;
+	int16 oldleft = pwnd->dims.left;
+	if (wmprect->top > pwnd->dims.top)
+		pwnd->dims.moveTo(pwnd->dims.left, wmprect->top);
+
+	if (wmprect->bottom < pwnd->dims.bottom)
+		pwnd->dims.moveTo(pwnd->dims.left, wmprect->bottom - pwnd->dims.bottom + pwnd->dims.top);
+
+	if (wmprect->right < pwnd->dims.right)
+		pwnd->dims.moveTo(wmprect->right + pwnd->dims.left - pwnd->dims.right, pwnd->dims.top);
+
+	if (wmprect->left > pwnd->dims.left)
+		pwnd->dims.moveTo(wmprect->left, pwnd->dims.top);
+
+	pwnd->rect.moveTo(pwnd->rect.left + pwnd->dims.left - oldleft, pwnd->rect.top + pwnd->dims.top - oldtop);
+	if (restoreRect == 0)
+		pwnd->restoreRect = pwnd->dims;
+
+	if (!(pwnd->wndStyle & (SCI_WINDOWMGR_STYLE_USER | SCI_WINDOWMGR_STYLE_NOFRAME))) {
+		// The shadow is drawn slightly outside the window.
+		// Enlarge restoreRect to cover that.
+		pwnd->restoreRect.bottom++;
+		pwnd->restoreRect.right++;
+	}
+
+	if (draw)
+		drawWindow(pwnd);
+	setPort((Port *)pwnd);
+	setOrigin(pwnd->rect.left, pwnd->rect.top + _wmgrPort->top);
+	pwnd->rect.moveTo(0, 0);
+	return pwnd;
+}
+
+void GfxPorts::drawWindow(Window *pWnd) {
+	if (pWnd->bDrawn)
+		return;
+	Common::Rect r;
+	int16 wndStyle = pWnd->wndStyle;
+
+	pWnd->bDrawn = true;
+	Port *oldport = setPort(_wmgrPort);
+	penColor(0);
+	if ((wndStyle & SCI_WINDOWMGR_STYLE_TRANSPARENT) == 0) {
+		pWnd->hSaved1 = _paint16->bitsSave(pWnd->restoreRect, SCI_SCREEN_MASK_VISUAL);
+		if (pWnd->saveScreenMask & SCI_SCREEN_MASK_PRIORITY) {
+			pWnd->hSaved2 = _paint16->bitsSave(pWnd->restoreRect, SCI_SCREEN_MASK_PRIORITY);
+			if ((wndStyle & SCI_WINDOWMGR_STYLE_USER) == 0)
+				_paint16->fillRect(pWnd->restoreRect, SCI_SCREEN_MASK_PRIORITY, 0, 15);
+		}
+	}
+
+	// drawing frame,shadow and title
+	if (!(wndStyle & SCI_WINDOWMGR_STYLE_USER)) {
+		r = pWnd->dims;
+		if (!(wndStyle & SCI_WINDOWMGR_STYLE_NOFRAME)) {
+			r.translate(1, 1);
+			_paint16->frameRect(r);// shadow
+			r.translate(-1, -1);
+			_paint16->frameRect(r);// window frame
+
+			if (wndStyle & SCI_WINDOWMGR_STYLE_TITLE) {
+				_paint16->frameRect(r);
+				r.grow(-1);
+				if (getSciVersion() <= SCI_VERSION_0_LATE)
+					_paint16->fillRect(r, SCI_SCREEN_MASK_VISUAL, 8); // grey titlebar for SCI0
+				else
+					_paint16->fillRect(r, SCI_SCREEN_MASK_VISUAL, 0); // black titlebar for SCI01+
+				if (!pWnd->title.empty()) {
+					int16 oldcolor = getPort()->penClr;
+					penColor(255);
+					_text->Box(pWnd->title.c_str(), 1, r, SCI_TEXT_ALIGNMENT_CENTER, 0);
+					penColor(oldcolor);
+				}
+
+				r = pWnd->dims;
+				r.top += 9;
+			}
+
+			r.grow(-1);
+		}
+
+		if (!(wndStyle & SCI_WINDOWMGR_STYLE_TRANSPARENT))
+			_paint16->fillRect(r, SCI_SCREEN_MASK_VISUAL, pWnd->backClr);
+
+		_paint16->bitsShow(pWnd->restoreRect);
+	}
+	setPort(oldport);
+}
+
+void GfxPorts::disposeWindow(Window *pWnd, bool reanimate) {
+	setPort(_wmgrPort);
+	_paint16->bitsRestore(pWnd->hSaved1);
+	_paint16->bitsRestore(pWnd->hSaved2);
+	if (!reanimate)
+		_paint16->bitsShow(pWnd->restoreRect);
+	else
+		_gui->graphRedrawBox(pWnd->restoreRect);
+	_windowList.remove(pWnd);
+	setPort(_windowList.back());
+	_windowsById[pWnd->id] = 0;
+	delete pWnd;
+}
+
+void GfxPorts::updateWindow(Window *wnd) {
+	reg_t handle;
+
+	if (wnd->saveScreenMask && wnd->bDrawn) {
+		handle = _paint16->bitsSave(wnd->restoreRect, SCI_SCREEN_MASK_VISUAL);
+		_paint16->bitsRestore(wnd->hSaved1);
+		wnd->hSaved1 = handle;
+		if (wnd->saveScreenMask & SCI_SCREEN_MASK_PRIORITY) {
+			handle = _paint16->bitsSave(wnd->restoreRect, SCI_SCREEN_MASK_PRIORITY);
+			_paint16->bitsRestore(wnd->hSaved2);
+			wnd->hSaved2 = handle;
+		}
+	}
+}
+
+Port *GfxPorts::getPortById(uint16 id) {
+	if (id > _windowsById.size())
+		error("getPortById() received invalid id");
+	return _windowsById[id];
+}
+
+
+
+Port *GfxPorts::setPort(Port *newPort) {
+	Port *oldPort = _curPort;
+	_curPort = newPort;
+	return oldPort;
+}
+
+Port *GfxPorts::getPort() {
+	return _curPort;
+}
+
+void GfxPorts::setOrigin(int16 left, int16 top) {
+	_curPort->left = left;
+	_curPort->top = top;
+}
+
+void GfxPorts::moveTo(int16 left, int16 top) {
+	_curPort->curTop = top;
+	_curPort->curLeft = left;
+}
+
+void GfxPorts::move(int16 left, int16 top) {
+	_curPort->curTop += top;
+	_curPort->curLeft += left;
+}
+
+void GfxPorts::openPort(Port *port) {
+	port->fontId = 0;
+	port->fontHeight = 8;
+
+	Port *tmp = _curPort;
+	_curPort = port;
+	_text->SetFont(port->fontId);
+	_curPort = tmp;
+
+	port->top = 0;
+	port->left = 0;
+	port->greyedOutput = false;
+	port->penClr = 0;
+	port->backClr = 255;
+	port->penMode = 0;
+	port->rect = _bounds;
+}
+
+void GfxPorts::penColor(int16 color) {
+	_curPort->penClr = color;
+}
+
+void GfxPorts::backColor(int16 color) {
+	_curPort->backClr = color;
+}
+
+void GfxPorts::penMode(int16 mode) {
+	_curPort->penMode = mode;
+}
+
+void GfxPorts::textGreyedOutput(bool state) {
+	_curPort->greyedOutput = state;
+}
+
+int16 GfxPorts::getPointSize() {
+	return _curPort->fontHeight;
+}
+
+void GfxPorts::offsetRect(Common::Rect &r) {
+	r.top += _curPort->top;
+	r.bottom += _curPort->top;
+	r.left += _curPort->left;
+	r.right += _curPort->left;
+}
+
+void GfxPorts::offsetLine(Common::Point &start, Common::Point &end) {
+	start.x += _curPort->left;
+	start.y += _curPort->top;
+	end.x += _curPort->left;
+	end.y += _curPort->top;
+}
+
+void GfxPorts::priorityBandsInit(int16 bandCount, int16 top, int16 bottom) {
+	int16 y;
+	int32 bandSize;
+
+	// This code is for 320x200 games only
+	if (_screen->getHeight() != 200)
+		return;
+
+	if (bandCount != -1)
+		_priorityBandCount = bandCount;
+
+	_priorityTop = top;
+	_priorityBottom = bottom;
+
+	// Do NOT modify this algo or optimize it anyhow, sierra sci used int32 for calculating the
+	//  priority bands and by using double or anything rounding WILL destroy the result
+	bandSize = ((_priorityBottom - _priorityTop) * 2000) / _priorityBandCount;
+
+	memset(_priorityBands, 0, sizeof(byte) * _priorityTop);
+	for (y = _priorityTop; y < _priorityBottom; y++)
+		_priorityBands[y] = 1 + (((y - _priorityTop) * 2000) / bandSize);
+	if (_priorityBandCount == 15) {
+		// When having 15 priority bands, we actually replace band 15 with band 14, cause the original sci interpreter also
+		//  does it that way as well
+		y = _priorityBottom;
+		while (_priorityBands[--y] == _priorityBandCount)
+			_priorityBands[y]--;
+	}
+	// We fill space that is left over with the highest band (hardcoded 200 limit, because this algo isnt meant to be used on hires)
+	for (y = _priorityBottom; y < 200; y++)
+		_priorityBands[y] = _priorityBandCount;
+}
+
+void GfxPorts::priorityBandsInit(byte *data) {
+	int i = 0, inx;
+	byte priority = 0;
+
+	for (inx = 0; inx < 14; inx++) {
+		priority = *data++;
+		while (i < priority)
+			_priorityBands[i++] = inx;
+	}
+	while (i < 200)
+		_priorityBands[i++] = inx;
+}
+
+// Gets used by picture class to remember priority bands data from sci1.1 pictures that need to get applied when
+//  transitioning to that picture
+void GfxPorts::priorityBandsRemember(byte *data) {
+	int bandNo;
+	for (bandNo = 0; bandNo < 14; bandNo++) {
+		priorityBandsMemory[bandNo] = READ_LE_UINT16(data);
+		data += 2;
+	}
+	priorityBandsMemoryActive = true;
+}
+
+void GfxPorts::priorityBandsRecall() {
+	if (priorityBandsMemoryActive) {
+		priorityBandsInit((byte *)&priorityBandsMemory);
+		priorityBandsMemoryActive = false;
+	}
+}
+
+byte GfxPorts::coordinateToPriority(int16 y) {
+	if (y < _priorityTop)
+		return _priorityBands[_priorityTop];
+	if (y > _priorityBottom)
+		return _priorityBands[_priorityBottom];
+	return _priorityBands[y];
+}
+
+int16 GfxPorts::priorityToCoordinate(byte priority) {
+	int16 y;
+	if (priority <= _priorityBandCount) {
+		for (y = 0; y <= _priorityBottom; y++)
+			if (_priorityBands[y] == priority)
+				return y;
+	}
+	return _priorityBottom;
+}
+
+} // End of namespace Sci
diff --git a/engines/sci/graphics/ports.h b/engines/sci/graphics/ports.h
new file mode 100644
index 0000000000..a200748e4f
--- /dev/null
+++ b/engines/sci/graphics/ports.h
@@ -0,0 +1,122 @@
+/* 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.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#ifndef SCI_GRAPHICS_PORTS_H
+#define SCI_GRAPHICS_PORTS_H
+
+#include "common/list.h"
+#include "common/array.h"
+
+namespace Sci {
+
+class SciGui;
+class GfxPaint16;
+class Screen;
+class Text;
+
+class GfxPorts {
+public:
+	GfxPorts(SegManager *segMan, Screen *screen);
+	~GfxPorts();
+
+	void init(SciGui *gui, GfxPaint16 *paint16, Text *text, Common::String gameId);
+
+	void kernelSetActive(uint16 portId);
+	Common::Rect kernelGetPicWindow(int16 &picTop, int16 &picLeft);
+	void kernelSetPicWindow(Common::Rect rect, int16 picTop, int16 picLeft, bool initPriorityBandsFlag);
+	reg_t kernelGetActive();
+	reg_t kernelNewWindow(Common::Rect dims, Common::Rect restoreRect, uint16 style, int16 priority, int16 colorPen, int16 colorBack, const char *title);
+	void kernelDisposeWindow(uint16 windowId, bool reanimate);
+
+	int16 isFrontWindow(Window *wnd);
+	void beginUpdate(Window *wnd);
+	void endUpdate(Window *wnd);
+	Window *newWindow(const Common::Rect &dims, const Common::Rect *restoreRect, const char *title, uint16 style, int16 priority, bool draw);
+	void drawWindow(Window *wnd);
+	void disposeWindow(Window *pWnd, bool reanimate);
+	void updateWindow(Window *wnd);
+
+	Port *getPortById(uint16 id);
+
+	Port *setPort(Port *newPort);
+	Port *getPort();
+	void setOrigin(int16 left, int16 top);
+	void moveTo(int16 left, int16 top);
+	void move(int16 left, int16 top);
+	void openPort(Port *port);
+	void penColor(int16 color);
+	void backColor(int16 color);
+	void penMode(int16 mode);
+	void textGreyedOutput(bool state);
+	int16 getPointSize();
+
+	void offsetRect(Common::Rect &r);
+	void offsetLine(Common::Point &start, Common::Point &end);
+
+	void priorityBandsInit(int16 bandCount, int16 top, int16 bottom);
+	void priorityBandsInit(byte *data);
+	void priorityBandsRemember(byte *data);
+	void priorityBandsRecall();
+	byte coordinateToPriority(int16 y);
+	int16 priorityToCoordinate(byte priority);
+
+	Port *_wmgrPort;
+	Window *_picWind;
+
+	Port *_menuPort;
+	Common::Rect _menuBarRect;
+	Common::Rect _menuRect;
+	Common::Rect _menuLine;
+	Port *_curPort;
+
+private:
+	typedef Common::List<Port *> PortList;
+
+	SegManager *_segMan;
+	SciGui *_gui;
+	GfxPaint16 *_paint16;
+	Screen *_screen;
+	Text *_text;
+
+	/** The list of open 'windows' (and ports), in visual order. */
+	PortList _windowList;
+
+	/** The list of all open 'windows' (and ports), ordered by their id. */
+	Common::Array<Port *> _windowsById;
+
+	Common::Rect _bounds;
+	Port *_mainPort;
+
+	// Priority Bands related variables
+	int16 _priorityTop, _priorityBottom, _priorityBandCount;
+	byte _priorityBands[200];
+
+	byte priorityBandsMemory[14];
+	bool priorityBandsMemoryActive;
+};
+
+} // End of namespace Sci
+
+#endif
diff --git a/engines/sci/graphics/robot.cpp b/engines/sci/graphics/robot.cpp
index 8cc5a84a6e..0f880b40a2 100644
--- a/engines/sci/graphics/robot.cpp
+++ b/engines/sci/graphics/robot.cpp
@@ -25,7 +25,6 @@
 
 #include "sci/sci.h"
 #include "sci/engine/state.h"
-#include "sci/graphics/gfx.h"
 #include "sci/graphics/screen.h"
 #include "sci/graphics/robot.h"
 
diff --git a/engines/sci/graphics/text.cpp b/engines/sci/graphics/text.cpp
index c5a6c5ced2..f1be3eb1b5 100644
--- a/engines/sci/graphics/text.cpp
+++ b/engines/sci/graphics/text.cpp
@@ -29,14 +29,15 @@
 
 #include "sci/sci.h"
 #include "sci/engine/state.h"
-#include "sci/graphics/gfx.h"
+#include "sci/graphics/ports.h"
+#include "sci/graphics/paint16.h"
 #include "sci/graphics/font.h"
 #include "sci/graphics/text.h"
 
 namespace Sci {
 
-Text::Text(ResourceManager *resMan, Gfx *gfx, Screen *screen)
-	: _resMan(resMan), _gfx(gfx), _screen(screen) {
+Text::Text(ResourceManager *resMan, GfxPorts *ports, GfxPaint16 *paint16, Screen *screen)
+	: _resMan(resMan), _ports(ports), _paint16(paint16), _screen(screen) {
 	init();
 }
 
@@ -53,13 +54,13 @@ void Text::init() {
 }
 
 GuiResourceId Text::GetFontId() {
-	return _gfx->_curPort->fontId;
+	return _ports->_curPort->fontId;
 }
 
 Font *Text::GetFont() {
-	if ((_font == NULL) || (_font->getResourceId() != _gfx->_curPort->fontId)) {
+	if ((_font == NULL) || (_font->getResourceId() != _ports->_curPort->fontId)) {
 		delete _font;
-		_font = new Font(_resMan, _gfx->_curPort->fontId);
+		_font = new Font(_resMan, _ports->_curPort->fontId);
 	}
 
 	return _font;
@@ -71,8 +72,8 @@ void Text::SetFont(GuiResourceId fontId) {
 		_font = new Font(_resMan, fontId);
 	}
 
-	_gfx->_curPort->fontId = _font->getResourceId();
-	_gfx->_curPort->fontHeight = _font->getHeight();
+	_ports->_curPort->fontId = _font->getResourceId();
+	_ports->_curPort->fontHeight = _font->getHeight();
 }
 
 void Text::CodeSetFonts(int argc, reg_t *argv) {
@@ -98,21 +99,21 @@ void Text::CodeSetColors(int argc, reg_t *argv) {
 }
 
 void Text::ClearChar(int16 chr) {
-	if (_gfx->_curPort->penMode != 1)
+	if (_ports->_curPort->penMode != 1)
 		return;
 	Common::Rect rect;
-	rect.top = _gfx->_curPort->curTop;
-	rect.bottom = rect.top + _gfx->_curPort->fontHeight;
-	rect.left = _gfx->_curPort->curLeft;
+	rect.top = _ports->_curPort->curTop;
+	rect.bottom = rect.top + _ports->_curPort->fontHeight;
+	rect.left = _ports->_curPort->curLeft;
 	rect.right = rect.left + GetFont()->getCharWidth(chr);
-	_gfx->EraseRect(rect);
+	_paint16->eraseRect(rect);
 }
 
 void Text::DrawChar(int16 chr) {
 	chr = chr & 0xFF;
 	ClearChar(chr);
 	StdChar(chr);
-	_gfx->_curPort->curLeft += GetFont()->getCharWidth(chr);
+	_ports->_curPort->curLeft += GetFont()->getCharWidth(chr);
 }
 
 void Text::StdChar(int16 chr) {
@@ -151,10 +152,10 @@ int16 Text::CodeProcessing(const char *&text, GuiResourceId orgFontId, int16 org
 	switch (curCode) {
 	case 'c': // set text color
 		if (curCodeParm == 0) {
-			_gfx->_curPort->penClr = orgPenColor;
+			_ports->_curPort->penClr = orgPenColor;
 		} else {
 			if (curCodeParm < _codeColorsCount) {
-				_gfx->_curPort->penClr = _codeColors[curCodeParm];
+				_ports->_curPort->penClr = _codeColors[curCodeParm];
 			}
 		}
 		break;
@@ -177,7 +178,7 @@ int16 Text::GetLongest(const char *text, int16 maxWidth, GuiResourceId orgFontId
 	int16 maxChars = 0, curCharCount = 0;
 	uint16 width = 0;
 	GuiResourceId oldFontId = GetFontId();
-	int16 oldPenColor = _gfx->_curPort->penClr;
+	int16 oldPenColor = _ports->_curPort->penClr;
 
 	GetFont();
 	if (!_font)
@@ -202,7 +203,7 @@ int16 Text::GetLongest(const char *text, int16 maxWidth, GuiResourceId orgFontId
 			curCharCount++;
 		case 0:
 			SetFont(oldFontId);
-			_gfx->PenColor(oldPenColor);
+			_ports->penColor(oldPenColor);
 			return curCharCount;
 
 		case ' ':
@@ -213,14 +214,14 @@ int16 Text::GetLongest(const char *text, int16 maxWidth, GuiResourceId orgFontId
 		curCharCount++;
 	}
 	SetFont(oldFontId);
-	_gfx->PenColor(oldPenColor);
+	_ports->penColor(oldPenColor);
 	return maxChars;
 }
 
 void Text::Width(const char *text, int16 from, int16 len, GuiResourceId orgFontId, int16 &textWidth, int16 &textHeight) {
 	unsigned char curChar;
 	GuiResourceId oldFontId = GetFontId();
-	int16 oldPenColor = _gfx->_curPort->penClr;
+	int16 oldPenColor = _ports->_curPort->penClr;
 
 	textWidth = 0; textHeight = 0;
 
@@ -232,7 +233,7 @@ void Text::Width(const char *text, int16 from, int16 len, GuiResourceId orgFontI
 			switch (curChar) {
 			case 0x0A:
 			case 0x0D:
-				textHeight = MAX<int16> (textHeight, _gfx->_curPort->fontHeight);
+				textHeight = MAX<int16> (textHeight, _ports->_curPort->fontHeight);
 				break;
 			case 0x7C:
 				if (getSciVersion() >= SCI_VERSION_1_1) {
@@ -240,13 +241,13 @@ void Text::Width(const char *text, int16 from, int16 len, GuiResourceId orgFontI
 					break;
 				}
 			default:
-				textHeight = MAX<int16> (textHeight, _gfx->_curPort->fontHeight);
+				textHeight = MAX<int16> (textHeight, _ports->_curPort->fontHeight);
 				textWidth += _font->getCharWidth(curChar);
 			}
 		}
 	}
 	SetFont(oldFontId);
-	_gfx->PenColor(oldPenColor);
+	_ports->penColor(oldPenColor);
 	return;
 }
 
@@ -263,7 +264,7 @@ void Text::DrawString(const char *str, GuiResourceId orgFontId, int16 orgPenColo
 
 int16 Text::Size(Common::Rect &rect, const char *str, GuiResourceId fontId, int16 maxWidth) {
 	GuiResourceId oldFontId = GetFontId();
-	int16 oldPenColor = _gfx->_curPort->penClr;
+	int16 oldPenColor = _ports->_curPort->penClr;
 	int16 charCount;
 	int16 maxTextWidth = 0, textWidth;
 	int16 totalHeight = 0, textHeight;
@@ -298,7 +299,7 @@ int16 Text::Size(Common::Rect &rect, const char *str, GuiResourceId fontId, int1
 		rect.right = maxWidth ? maxWidth : MIN(rect.right, maxTextWidth);
 	}
 	SetFont(oldFontId);
-	_gfx->PenColor(oldPenColor);
+	_ports->penColor(oldPenColor);
 	return rect.right;
 }
 
@@ -311,8 +312,8 @@ void Text::Draw(const char *text, int16 from, int16 len, GuiResourceId orgFontId
 	if (!_font)
 		return;
 
-	rect.top = _gfx->_curPort->curTop;
-	rect.bottom = rect.top + _gfx->_curPort->fontHeight;
+	rect.top = _ports->_curPort->curTop;
+	rect.bottom = rect.top + _ports->_curPort->fontHeight;
 	text += from;
 	while (len--) {
 		curChar = (*text++);
@@ -329,14 +330,14 @@ void Text::Draw(const char *text, int16 from, int16 len, GuiResourceId orgFontId
 		default:
 			charWidth = _font->getCharWidth(curChar);
 			// clear char
-			if (_gfx->_curPort->penMode == 1) {
-				rect.left = _gfx->_curPort->curLeft;
+			if (_ports->_curPort->penMode == 1) {
+				rect.left = _ports->_curPort->curLeft;
 				rect.right = rect.left + charWidth;
-				_gfx->EraseRect(rect);
+				_paint16->eraseRect(rect);
 			}
 			// CharStd
-			_font->draw(_screen, curChar, _gfx->_curPort->top + _gfx->_curPort->curTop, _gfx->_curPort->left + _gfx->_curPort->curLeft, _gfx->_curPort->penClr, _gfx->_curPort->greyedOutput);
-			_gfx->_curPort->curLeft += charWidth;
+			_font->draw(_screen, curChar, _ports->_curPort->top + _ports->_curPort->curTop, _ports->_curPort->left + _ports->_curPort->curLeft, _ports->_curPort->penClr, _ports->_curPort->greyedOutput);
+			_ports->_curPort->curLeft += charWidth;
 		}
 	}
 }
@@ -345,12 +346,12 @@ void Text::Draw(const char *text, int16 from, int16 len, GuiResourceId orgFontId
 void Text::Show(const char *text, int16 from, int16 len, GuiResourceId orgFontId, int16 orgPenColor) {
 	Common::Rect rect;
 
-	rect.top = _gfx->_curPort->curTop;
-	rect.bottom = rect.top + _gfx->GetPointSize();
-	rect.left = _gfx->_curPort->curLeft;
+	rect.top = _ports->_curPort->curTop;
+	rect.bottom = rect.top + _ports->getPointSize();
+	rect.left = _ports->_curPort->curLeft;
 	Draw(text, from, len, orgFontId, orgPenColor);
-	rect.right = _gfx->_curPort->curLeft;
-	_gfx->BitsShow(rect);
+	rect.right = _ports->_curPort->curLeft;
+	_paint16->bitsShow(rect);
 }
 
 // Draws a text in rect.
@@ -359,7 +360,7 @@ void Text::Box(const char *text, int16 bshow, const Common::Rect &rect, TextAlig
 	int16 offset = 0;
 	int16 hline = 0;
 	GuiResourceId orgFontId = GetFontId();
-	int16 orgPenColor = _gfx->_curPort->penClr;
+	int16 orgPenColor = _ports->_curPort->penClr;
 
 	if (fontId != -1)
 		SetFont(fontId);
@@ -387,7 +388,7 @@ void Text::Box(const char *text, int16 bshow, const Common::Rect &rect, TextAlig
 		default: // left-aligned
 			warning("Invalid alignment %d used in TextBox()", alignment);
 		}
-		_gfx->MoveTo(rect.left + offset, rect.top + hline);
+		_ports->moveTo(rect.left + offset, rect.top + hline);
 
 		if (bshow) {
 			Show(text, 0, charCount, orgFontId, orgPenColor);
@@ -399,16 +400,16 @@ void Text::Box(const char *text, int16 bshow, const Common::Rect &rect, TextAlig
 		text += charCount;
 	}
 	SetFont(orgFontId);
-	_gfx->PenColor(orgPenColor);
+	_ports->penColor(orgPenColor);
 }
 
 void Text::Draw_String(const char *text) {
 	GuiResourceId orgFontId = GetFontId();
-	int16 orgPenColor = _gfx->_curPort->penClr;
+	int16 orgPenColor = _ports->_curPort->penClr;
 
 	Draw(text, 0, strlen(text), orgFontId, orgPenColor);
 	SetFont(orgFontId);
-	_gfx->PenColor(orgPenColor);
+	_ports->penColor(orgPenColor);
 }
 
 } // End of namespace Sci
diff --git a/engines/sci/graphics/text.h b/engines/sci/graphics/text.h
index 56f789598c..1e94398558 100644
--- a/engines/sci/graphics/text.h
+++ b/engines/sci/graphics/text.h
@@ -32,12 +32,13 @@ namespace Sci {
 #define SCI_TEXT_ALIGNMENT_CENTER 1
 #define SCI_TEXT_ALIGNMENT_LEFT	0
 
-class Gfx;
+class GfxPorts;
+class GfxPaint16;
 class Screen;
 class Font;
 class Text {
 public:
-	Text(ResourceManager *_resMan, Gfx *gfx, Screen *screen);
+	Text(ResourceManager *_resMan, GfxPorts *ports, GfxPaint16 *paint16, Screen *screen);
 	~Text();
 
 	GuiResourceId GetFontId();
@@ -69,7 +70,8 @@ private:
 	void init();
 
 	ResourceManager *_resMan;
-	Gfx *_gfx;
+	GfxPorts *_ports;
+	GfxPaint16 *_paint16;
 	Screen *_screen;
 
 	int _codeFontsCount;
diff --git a/engines/sci/graphics/view.cpp b/engines/sci/graphics/view.cpp
index 29a65aca88..1fff191441 100644
--- a/engines/sci/graphics/view.cpp
+++ b/engines/sci/graphics/view.cpp
@@ -25,7 +25,6 @@
 
 #include "sci/sci.h"
 #include "sci/engine/state.h"
-#include "sci/graphics/gfx.h"
 #include "sci/graphics/screen.h"
 #include "sci/graphics/palette.h"
 #include "sci/graphics/view.h"
diff --git a/engines/sci/graphics/view.h b/engines/sci/graphics/view.h
index 03331bc5a4..ec8f9ef7eb 100644
--- a/engines/sci/graphics/view.h
+++ b/engines/sci/graphics/view.h
@@ -48,6 +48,9 @@ struct LoopInfo {
 #define SCI_VIEW_EGAMAPPING_SIZE 16
 #define SCI_VIEW_EGAMAPPING_COUNT 8
 
+class Screen;
+class SciPalette;
+
 class View {
 public:
 	View(ResourceManager *resMan, Screen *screen, SciPalette *palette, GuiResourceId resourceId);
diff --git a/engines/sci/graphics/windowmgr.cpp b/engines/sci/graphics/windowmgr.cpp
deleted file mode 100644
index faa598326c..0000000000
--- a/engines/sci/graphics/windowmgr.cpp
+++ /dev/null
@@ -1,295 +0,0 @@
-/* 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.
- *
- * $URL$
- * $Id$
- *
- */
-
-#include "common/util.h"
-
-#include "sci/sci.h"
-#include "sci/engine/state.h"
-#include "sci/graphics/screen.h"
-#include "sci/graphics/gfx.h"
-#include "sci/graphics/animate.h"
-#include "sci/graphics/text.h"
-#include "sci/graphics/windowmgr.h"
-
-namespace Sci {
-
-// window styles
-enum {
-	SCI_WINDOWMGR_STYLE_TRANSPARENT = (1 << 0),
-	SCI_WINDOWMGR_STYLE_NOFRAME     = (1 << 1),
-	SCI_WINDOWMGR_STYLE_TITLE       = (1 << 2),
-	SCI_WINDOWMGR_STYLE_TOPMOST     = (1 << 3),
-	SCI_WINDOWMGR_STYLE_USER        = (1 << 7)
-};
-
-WindowMgr::WindowMgr(SciGui *gui, Screen *screen, Gfx *gfx, Text *text)
-	: _gui(gui), _screen(screen), _gfx(gfx), _text(text) {
-}
-
-WindowMgr::~WindowMgr() {
-	// TODO: Clear _windowList and delete all stuff in it?
-}
-
-void WindowMgr::init(Common::String gameId) {
-	int16 offTop = 10;
-
-	_wmgrPort = new Port(1);
-	_windowsById.resize(2);
-	_windowsById[0] = _wmgrPort; // wmgrPort is supposed to be accessible via id 0
-	_windowsById[1] = _wmgrPort; //  but wmgrPort may not actually have id 0, so we assign id 1 (as well)
-	// Background: sierra sci replies with the offset of curPort on kGetPort calls. If we reply with 0 there most games
-	//				will work, but some scripts seem to check for 0 and initialize the variable again in that case
-	//				resulting in problems.
-
-	// Jones, Slater and Hoyle 3 were called with parameter -Nw 0 0 200 320.
-	// This actually meant not skipping the first 10 pixellines in windowMgrPort
-	if (gameId == "jones" || gameId == "slater" || gameId == "hoyle3")
-		offTop = 0;
-
-	_gfx->OpenPort(_wmgrPort);
-	_gfx->SetPort(_wmgrPort);
-	_gfx->SetOrigin(0, offTop);
-	_wmgrPort->rect.bottom = _screen->getHeight() - offTop;
-	_wmgrPort->rect.right = _screen->getWidth();
-	_wmgrPort->rect.moveTo(0, 0);
-	_wmgrPort->curTop = 0;
-	_wmgrPort->curLeft = 0;
-	_windowList.push_front(_wmgrPort);
-
-	_picWind = NewWindow(Common::Rect(0, offTop, _screen->getWidth(), _screen->getHeight()), 0, 0, SCI_WINDOWMGR_STYLE_TRANSPARENT | SCI_WINDOWMGR_STYLE_NOFRAME, 0, true);
-}
-
-int16 WindowMgr::isFrontWindow(Window *pWnd) {
-	return _windowList.back() == pWnd;
-}
-
-void WindowMgr::BeginUpdate(Window *wnd) {
-	Port *oldPort = _gfx->SetPort(_wmgrPort);
-	PortList::iterator it = _windowList.reverse_begin();
-	const PortList::iterator end = Common::find(_windowList.begin(), _windowList.end(), wnd);
-	while (it != end) {
-		// FIXME: We also store Port objects in the window list.
-		// We should add a check that we really only pass windows here...
-		UpdateWindow((Window *)*it);
-		--it;
-	}
-	_gfx->SetPort(oldPort);
-}
-
-void WindowMgr::EndUpdate(Window *wnd) {
-	Port *oldPort = _gfx->SetPort(_wmgrPort);
-	const PortList::iterator end = _windowList.end();
-	PortList::iterator it = Common::find(_windowList.begin(), end, wnd);
-
-	// wnd has to be in _windowList
-	assert(it != end);
-
-	while (++it != end) {
-		// FIXME: We also store Port objects in the window list.
-		// We should add a check that we really only pass windows here...
-		UpdateWindow((Window *)*it);
-	}
-
-	_gfx->SetPort(oldPort);
-}
-
-Window *WindowMgr::NewWindow(const Common::Rect &dims, const Common::Rect *restoreRect, const char *title, uint16 style, int16 priority, bool draw) {
-	// Find an unused window/port id
-	uint id = 1;
-	while (id < _windowsById.size() && _windowsById[id]) {
-		++id;
-	}
-	if (id == _windowsById.size())
-		_windowsById.push_back(0);
-	assert(0 < id && id < 0xFFFF);
-
-	Window *pwnd = new Window(id);
-	Common::Rect r;
-
-	if (!pwnd) {
-		warning("Can't open window!");
-		return 0;
-	}
-
-	_windowsById[id] = pwnd;
-	if (style & SCI_WINDOWMGR_STYLE_TOPMOST)
-		_windowList.push_front(pwnd);
-	else
-		_windowList.push_back(pwnd);
-	_gfx->OpenPort(pwnd);
-	r = dims;
-	pwnd->rect = dims;
-	if (restoreRect)
-		pwnd->restoreRect = *restoreRect;
-
-	pwnd->wndStyle = style;
-	pwnd->hSaved1 = pwnd->hSaved2 = NULL_REG;
-	pwnd->bDrawn = false;
-	if ((style & SCI_WINDOWMGR_STYLE_TRANSPARENT) == 0)
-		pwnd->saveScreenMask = (priority == -1 ? SCI_SCREEN_MASK_VISUAL : SCI_SCREEN_MASK_VISUAL | SCI_SCREEN_MASK_PRIORITY);
-
-	if (title && (style & SCI_WINDOWMGR_STYLE_TITLE)) {
-		pwnd->title = title;
-	}
-
-	r = dims;
-	if ((style != SCI_WINDOWMGR_STYLE_USER) && !(style & SCI_WINDOWMGR_STYLE_NOFRAME)) {
-		r.grow(1);
-		if (style & SCI_WINDOWMGR_STYLE_TITLE) {
-			r.top -= 10;
-			r.bottom++;
-		}
-	}
-
-	// FIXME: it seems as if shadows may result in the window getting moved one upwards
-	//         so that the shadow is visible (lsl5)
-
-	pwnd->dims = r;
-	const Common::Rect *wmprect = &_wmgrPort->rect;
-	int16 oldtop = pwnd->dims.top;
-	int16 oldleft = pwnd->dims.left;
-	if (wmprect->top > pwnd->dims.top)
-		pwnd->dims.moveTo(pwnd->dims.left, wmprect->top);
-
-	if (wmprect->bottom < pwnd->dims.bottom)
-		pwnd->dims.moveTo(pwnd->dims.left, wmprect->bottom - pwnd->dims.bottom + pwnd->dims.top);
-
-	if (wmprect->right < pwnd->dims.right)
-		pwnd->dims.moveTo(wmprect->right + pwnd->dims.left - pwnd->dims.right, pwnd->dims.top);
-
-	if (wmprect->left > pwnd->dims.left)
-		pwnd->dims.moveTo(wmprect->left, pwnd->dims.top);
-
-	pwnd->rect.moveTo(pwnd->rect.left + pwnd->dims.left - oldleft, pwnd->rect.top + pwnd->dims.top - oldtop);
-	if (restoreRect == 0)
-		pwnd->restoreRect = pwnd->dims;
-
-	if (!(pwnd->wndStyle & (SCI_WINDOWMGR_STYLE_USER | SCI_WINDOWMGR_STYLE_NOFRAME))) {
-		// The shadow is drawn slightly outside the window.
-		// Enlarge restoreRect to cover that.
-		pwnd->restoreRect.bottom++;
-		pwnd->restoreRect.right++;
-	}
-
-	if (draw)
-		DrawWindow(pwnd);
-	_gfx->SetPort((Port *)pwnd);
-	_gfx->SetOrigin(pwnd->rect.left, pwnd->rect.top + _wmgrPort->top);
-	pwnd->rect.moveTo(0, 0);
-	return pwnd;
-}
-
-void WindowMgr::DrawWindow(Window *pWnd) {
-	if (pWnd->bDrawn)
-		return;
-	Common::Rect r;
-	int16 wndStyle = pWnd->wndStyle;
-
-	pWnd->bDrawn = true;
-	Port *oldport = _gfx->SetPort(_wmgrPort);
-	_gfx->PenColor(0);
-	if ((wndStyle & SCI_WINDOWMGR_STYLE_TRANSPARENT) == 0) {
-		pWnd->hSaved1 = _gfx->BitsSave(pWnd->restoreRect, SCI_SCREEN_MASK_VISUAL);
-		if (pWnd->saveScreenMask & SCI_SCREEN_MASK_PRIORITY) {
-			pWnd->hSaved2 = _gfx->BitsSave(pWnd->restoreRect, SCI_SCREEN_MASK_PRIORITY);
-			if ((wndStyle & SCI_WINDOWMGR_STYLE_USER) == 0)
-				_gfx->FillRect(pWnd->restoreRect, SCI_SCREEN_MASK_PRIORITY, 0, 15);
-		}
-	}
-
-	// drawing frame,shadow and title
-	if (!(wndStyle & SCI_WINDOWMGR_STYLE_USER)) {
-		r = pWnd->dims;
-		if (!(wndStyle & SCI_WINDOWMGR_STYLE_NOFRAME)) {
-			r.translate(1, 1);
-			_gfx->FrameRect(r);// shadow
-			r.translate(-1, -1);
-			_gfx->FrameRect(r);// window frame
-
-			if (wndStyle & SCI_WINDOWMGR_STYLE_TITLE) {
-				_gfx->FrameRect(r);
-				r.grow(-1);
-				if (getSciVersion() <= SCI_VERSION_0_LATE)
-					_gfx->FillRect(r, SCI_SCREEN_MASK_VISUAL, 8); // grey titlebar for SCI0
-				else
-					_gfx->FillRect(r, SCI_SCREEN_MASK_VISUAL, 0); // black titlebar for SCI01+
-				if (!pWnd->title.empty()) {
-					int16 oldcolor = _gfx->GetPort()->penClr;
-					_gfx->PenColor(255);
-					_text->Box(pWnd->title.c_str(), 1, r, SCI_TEXT_ALIGNMENT_CENTER, 0);
-					_gfx->PenColor(oldcolor);
-				}
-
-				r = pWnd->dims;
-				r.top += 9;
-			}
-
-			r.grow(-1);
-		}
-
-		if (!(wndStyle & SCI_WINDOWMGR_STYLE_TRANSPARENT))
-			_gfx->FillRect(r, SCI_SCREEN_MASK_VISUAL, pWnd->backClr);
-
-		_gfx->BitsShow(pWnd->restoreRect);
-	}
-	_gfx->SetPort(oldport);
-}
-
-void WindowMgr::DisposeWindow(Window *pWnd, bool reanimate) {
-	_gfx->SetPort(_wmgrPort);
-	_gfx->BitsRestore(pWnd->hSaved1);
-	_gfx->BitsRestore(pWnd->hSaved2);
-	if (!reanimate)
-		_gfx->BitsShow(pWnd->restoreRect);
-	else
-		_gui->graphRedrawBox(pWnd->restoreRect);
-	_windowList.remove(pWnd);
-	_gfx->SetPort(_windowList.back());
-	_windowsById[pWnd->id] = 0;
-	delete pWnd;
-}
-
-void WindowMgr::UpdateWindow(Window *wnd) {
-	reg_t handle;
-
-	if (wnd->saveScreenMask && wnd->bDrawn) {
-		handle = _gfx->BitsSave(wnd->restoreRect, SCI_SCREEN_MASK_VISUAL);
-		_gfx->BitsRestore(wnd->hSaved1);
-		wnd->hSaved1 = handle;
-		if (wnd->saveScreenMask & SCI_SCREEN_MASK_PRIORITY) {
-			handle = _gfx->BitsSave(wnd->restoreRect, SCI_SCREEN_MASK_PRIORITY);
-			_gfx->BitsRestore(wnd->hSaved2);
-			wnd->hSaved2 = handle;
-		}
-	}
-}
-
-Port *WindowMgr::getPortById(uint16 id) {
-	if (id > _windowsById.size())
-		error("getPortById() received invalid id");
-	return _windowsById[id];
-}
-
-} // End of namespace Sci
diff --git a/engines/sci/sci.cpp b/engines/sci/sci.cpp
index 1383fb7bda..81fc492ac5 100644
--- a/engines/sci/sci.cpp
+++ b/engines/sci/sci.cpp
@@ -40,6 +40,7 @@
 #include "sci/sound/audio.h"
 #include "sci/sound/soundcmd.h"
 #include "sci/graphics/gui.h"
+#include "sci/graphics/ports.h"
 #include "sci/graphics/palette.h"
 #include "sci/graphics/cursor.h"
 #include "sci/graphics/screen.h"
@@ -170,13 +171,16 @@ Common::Error SciEngine::run() {
 
 #ifdef ENABLE_SCI32
 	if (getSciVersion() >= SCI_VERSION_2) {
+		_gamestate->_gfxPorts = 0;
 		_gamestate->_gui = 0;
 		_gamestate->_gui32 = new SciGui32(_gamestate, screen, palette, cursor);
 	} else {
-		_gamestate->_gui = new SciGui(_gamestate, screen, palette, cursor, _audio);
+		_gamestate->_gfxPorts = new GfxPorts(segMan, screen);
+		_gamestate->_gui = new SciGui(_gamestate, screen, palette, cursor, _gamestate->_gfxPorts, _audio);
 		_gamestate->_gui32 = 0;
 	}
 #else
+	_gamestate->_ports = new GfxPorts(_segMan, _screen);
 	_gamestate->_gui = new SciGui(_gamestate, screen, palette, cursor, _audio);
 #endif