Merge branch 'master' of github.com:scummvm/scummvm into mortevielle

Conflicts:
	base/plugins.cpp
	configure

42 files changed, 1795 insertions, 924 deletions

diff --git a/graphics/VectorRenderer.cpp b/graphics/VectorRenderer.cpp
index 30ef9eeeeb..f426dd8c41 100644
--- a/graphics/VectorRenderer.cpp
+++ b/graphics/VectorRenderer.cpp
@@ -80,7 +80,7 @@ void VectorRenderer::stepGetPositions(const DrawStep &step, const Common::Rect &
 		case Graphics::DrawStep::kVectorAlignManual:
 			if (step.x >= 0)
 				in_x = area.left + step.x + step.padding.left;
-			else 
+			else
 				in_x = area.left + area.width() + step.x + step.padding.left; // value relative to the opposite corner.
 			break;
 
diff --git a/graphics/VectorRenderer.h b/graphics/VectorRenderer.h
index e98f4aa761..0467cac946 100644
--- a/graphics/VectorRenderer.h
+++ b/graphics/VectorRenderer.h
@@ -55,7 +55,7 @@ struct DrawStep {
 	bool autoWidth, autoHeight;
 	int16 x, y, w, h; /**< width, height and position, if not measured automatically.
 						  negative values mean counting from the opposite direction */
-						  
+
 	Common::Rect padding;
 
 	enum VectorAlignment {
diff --git a/graphics/VectorRendererSpec.cpp b/graphics/VectorRendererSpec.cpp
index 7817725664..6a3ee306a5 100644
--- a/graphics/VectorRendererSpec.cpp
+++ b/graphics/VectorRendererSpec.cpp
@@ -369,12 +369,12 @@ gradientFill(PixelType *ptr, int width, int x, int y) {
 	int grad = (((y - _gradIndexes[curGrad]) % stripSize) << 2) / stripSize;
 
 	// Dithering:
-	//   +--+ +--+ +--+ +--+ 
-	//   |  | |  | | *| | *| 
-	//   |  | | *| |* | |**| 
-	//   +--+ +--+ +--+ +--+ 
+	//   +--+ +--+ +--+ +--+
+	//   |  | |  | | *| | *|
+	//   |  | | *| |* | |**|
+	//   +--+ +--+ +--+ +--+
 	//     0    1    2    3
-	if (grad == 0 || 
+	if (grad == 0 ||
 		_gradCache[curGrad] == _gradCache[curGrad + 1] || // no color change
 		stripSize < 2) { // the stip is small
 		colorFill<PixelType>(ptr, ptr + width, _gradCache[curGrad]);
@@ -422,8 +422,8 @@ void VectorRendererSpec<PixelType>::
 copyFrame(OSystem *sys, const Common::Rect &r) {
 
 	sys->copyRectToOverlay(
-		(const OverlayColor *)_activeSurface->getBasePtr(r.left, r.top),
-		_activeSurface->pitch / _activeSurface->format.bytesPerPixel,
+		_activeSurface->getBasePtr(r.left, r.top),
+		_activeSurface->pitch,
 	    r.left, r.top, r.width(), r.height()
 	);
 }
@@ -873,7 +873,7 @@ drawTriangle(int x, int y, int w, int h, TriangleOrientation orient) {
 		case kTriangleDown:
 			drawTriangleVertAlg(x, y, newW, newH, (orient == kTriangleDown), color, Base::_fillMode);
 			break;
-					
+
 		case kTriangleLeft:
 		case kTriangleRight:
 		case kTriangleAuto:
@@ -1206,14 +1206,14 @@ drawTriangleVertAlg(int x1, int y1, int w, int h, bool inverted, PixelType color
 		pitch = -pitch;
 		y1 += h;
 	}
-	
+
 	PixelType *ptr_right = (PixelType *)_activeSurface->getBasePtr(x1, y1);
 	PixelType *floor = ptr_right - 1;
 	PixelType *ptr_left = (PixelType *)_activeSurface->getBasePtr(x1 + w, y1);
 
 	int x2 = x1 + w / 2;
 	int y2 = y1 + h;
-  
+
 #if FIXED_POINT
 	int dx = (x2 - x1) << 8;
 	int dy = (y2 - y1) << 8;
@@ -1227,7 +1227,7 @@ drawTriangleVertAlg(int x1, int y1, int w, int h, bool inverted, PixelType color
 #endif
 		while (floor++ != ptr_left)
 			blendPixelPtr(floor, color, 50);
-			
+
 #if FIXED_POINT
 		int gradient = (dy << 8) / dx;
 		int intery = (y1 << 8) + gradient;
@@ -1250,7 +1250,7 @@ drawTriangleVertAlg(int x1, int y1, int w, int h, bool inverted, PixelType color
 			ptr_right += pitch;
 
 			intery += gradient;
-			
+
 			switch (fill_m) {
 			case kFillDisabled:
 				*ptr_left = *ptr_right = color;
@@ -1262,16 +1262,16 @@ drawTriangleVertAlg(int x1, int y1, int w, int h, bool inverted, PixelType color
 				blendPixelPtr(ptr_left, color, rfpart(intery));
 				break;
 			case kFillGradient:
-				colorFill<PixelType>(ptr_right, ptr_left, calcGradient(gradient_h++, h));	
+				colorFill<PixelType>(ptr_right, ptr_left, calcGradient(gradient_h++, h));
 				blendPixelPtr(ptr_right, color, rfpart(intery));
 				blendPixelPtr(ptr_left, color, rfpart(intery));
 				break;
 			}
 		}
-		
+
 		return;
 	}
-	
+
 #if FIXED_POINT
 	if (abs(dx) < abs(dy)) {
 #else
@@ -1280,7 +1280,7 @@ drawTriangleVertAlg(int x1, int y1, int w, int h, bool inverted, PixelType color
 		ptr_left--;
 		while (floor++ != ptr_left)
 			blendPixelPtr(floor, color, 50);
-			
+
 #if FIXED_POINT
 		int gradient = (dx << 8) / (dy + 0x100);
 		int interx = (x1 << 8) + gradient;
@@ -1303,7 +1303,7 @@ drawTriangleVertAlg(int x1, int y1, int w, int h, bool inverted, PixelType color
 			ptr_right += pitch;
 
 			interx += gradient;
-			
+
 			switch (fill_m) {
 			case kFillDisabled:
 				*ptr_left = *ptr_right = color;
@@ -1315,18 +1315,18 @@ drawTriangleVertAlg(int x1, int y1, int w, int h, bool inverted, PixelType color
 				blendPixelPtr(ptr_left, color, rfpart(interx));
 				break;
 			case kFillGradient:
-				colorFill<PixelType>(ptr_right, ptr_left, calcGradient(gradient_h++, h));	
+				colorFill<PixelType>(ptr_right, ptr_left, calcGradient(gradient_h++, h));
 				blendPixelPtr(ptr_right, color, rfpart(interx));
 				blendPixelPtr(ptr_left, color, rfpart(interx));
 				break;
 			}
 		}
-		
+
 		return;
 	}
-	
+
 	ptr_left--;
-	
+
 	while (floor++ != ptr_left)
 		blendPixelPtr(floor, color, 50);
 
@@ -1341,12 +1341,12 @@ drawTriangleVertAlg(int x1, int y1, int w, int h, bool inverted, PixelType color
 	for (int y = y1 + 1; y < y2; y++) {
 		ptr_right++;
 		ptr_left--;
-		
+
 		ptr_left += pitch;
 		ptr_right += pitch;
 
 		interx += gradient;
-		
+
 		switch (fill_m) {
 		case kFillDisabled:
 			*ptr_left = *ptr_right = color;
@@ -1358,13 +1358,13 @@ drawTriangleVertAlg(int x1, int y1, int w, int h, bool inverted, PixelType color
 			blendPixelPtr(ptr_left, color, rfpart(interx));
 			break;
 		case kFillGradient:
-			colorFill<PixelType>(ptr_right, ptr_left, calcGradient(gradient_h++, h));	
+			colorFill<PixelType>(ptr_right, ptr_left, calcGradient(gradient_h++, h));
 			blendPixelPtr(ptr_right, color, rfpart(interx));
 			blendPixelPtr(ptr_left, color, rfpart(interx));
 			break;
 		}
 	}
-	
+
 }
 
 /** VERTICAL TRIANGLE DRAWING - FAST VERSION FOR SQUARED TRIANGLES */
@@ -1372,12 +1372,12 @@ template<typename PixelType>
 void VectorRendererSpec<PixelType>::
 drawTriangleFast(int x1, int y1, int size, bool inverted, PixelType color, VectorRenderer::FillMode fill_m) {
 	int pitch = _activeSurface->pitch / _activeSurface->format.bytesPerPixel;
-	
+
 	if (!inverted) {
 		pitch = -pitch;
 		y1 += size;
 	}
-	
+
 	int gradient_h = 0;
 	PixelType *ptr_right = (PixelType *)_activeSurface->getBasePtr(x1, y1);
 	PixelType *ptr_left = (PixelType *)_activeSurface->getBasePtr(x1 + size, y1);
@@ -1388,9 +1388,9 @@ drawTriangleFast(int x1, int y1, int size, bool inverted, PixelType color, Vecto
 	int signX = x1 < x2 ? 1 : -1;
 	int signY = y1 < y2 ? 1 : -1;
 	int error = deltaX - deltaY;
-		
+
 	colorFill<PixelType>(ptr_right, ptr_left, color);
-	 
+
 	while (1) {
 		switch (fill_m) {
 		case kFillDisabled:
@@ -1401,22 +1401,22 @@ drawTriangleFast(int x1, int y1, int size, bool inverted, PixelType color, Vecto
 			colorFill<PixelType>(ptr_right, ptr_left, color);
 			break;
 		case kFillGradient:
-			colorFill<PixelType>(ptr_right, ptr_left, calcGradient(gradient_h++, size));	
+			colorFill<PixelType>(ptr_right, ptr_left, calcGradient(gradient_h++, size));
 			break;
 		}
-		
+
 		if (x1 == x2 && y1 == y2)
 			break;
-	
+
 		int error2 = error * 2;
-	 
+
 		if (error2 > -deltaY) {
 			error -= deltaY;
 			x1 += signX;
 			ptr_right += signX;
 			ptr_left += -signX;
 		}
-	 
+
 		if (error2 < deltaX) {
 			error += deltaX;
 			y1 += signY;
diff --git a/graphics/conversion.cpp b/graphics/conversion.cpp
index 713a06ea74..2da8b6f0ce 100644
--- a/graphics/conversion.cpp
+++ b/graphics/conversion.cpp
@@ -22,123 +22,143 @@
 #include "graphics/conversion.h"
 #include "graphics/pixelformat.h"
 
+#include "common/endian.h"
+
 namespace Graphics {
 
 // TODO: YUV to RGB conversion function
 
+namespace {
+
+template<typename SrcColor, typename DstColor, bool backward>
+inline void crossBlitLogic(byte *dst, const byte *src, const uint w, const uint h,
+                           const PixelFormat &srcFmt, const PixelFormat &dstFmt,
+                           const uint srcDelta, const uint dstDelta) {
+	for (uint y = 0; y < h; ++y) {
+		for (uint x = 0; x < w; ++x) {
+			const uint32 color = *(const SrcColor *)src;
+			byte a, r, g, b;
+			srcFmt.colorToARGB(color, a, r, g, b);
+			*(DstColor *)dst = dstFmt.ARGBToColor(a, r, g, b);
+
+			if (backward) {
+				src -= sizeof(SrcColor);
+				dst -= sizeof(DstColor);
+			} else {
+				src += sizeof(SrcColor);
+				dst += sizeof(DstColor);
+			}
+		}
+
+		if (backward) {
+			src -= srcDelta;
+			dst -= dstDelta;
+		} else {
+			src += srcDelta;
+			dst += dstDelta;
+		}
+	}
+}
+
+template<typename DstColor, bool backward>
+inline void crossBlitLogic3BppSource(byte *dst, const byte *src, const uint w, const uint h,
+                                     const PixelFormat &srcFmt, const PixelFormat &dstFmt,
+                                     const uint srcDelta, const uint dstDelta) {
+	uint32 color;
+	byte r, g, b, a;
+	uint8 *col = (uint8 *)&color;
+#ifdef SCUMM_BIG_ENDIAN
+	col++;
+#endif
+	for (uint y = 0; y < h; ++y) {
+		for (uint x = 0; x < w; ++x) {
+			memcpy(col, src, 3);
+			srcFmt.colorToARGB(color, a, r, g, b);
+			*(DstColor *)dst = dstFmt.ARGBToColor(a, r, g, b);
+
+			if (backward) {
+				src -= 3;
+				dst -= sizeof(DstColor);
+			} else {
+				src += 3;
+				dst += sizeof(DstColor);
+			}
+		}
+
+		if (backward) {
+			src -= srcDelta;
+			dst -= dstDelta;
+		} else {
+			src += srcDelta;
+			dst += dstDelta;
+		}
+	}
+}
+
+} // End of anonymous namespace
+
 // Function to blit a rect from one color format to another
-bool crossBlit(byte *dst, const byte *src, int dstpitch, int srcpitch,
-						int w, int h, const Graphics::PixelFormat &dstFmt, const Graphics::PixelFormat &srcFmt) {
+bool crossBlit(byte *dst, const byte *src,
+               const uint dstPitch, const uint srcPitch,
+               const uint w, const uint h,
+               const Graphics::PixelFormat &dstFmt, const Graphics::PixelFormat &srcFmt) {
 	// Error out if conversion is impossible
 	if ((srcFmt.bytesPerPixel == 1) || (dstFmt.bytesPerPixel == 1)
-			 || (!srcFmt.bytesPerPixel) || (!dstFmt.bytesPerPixel)
-			 || (srcFmt.bytesPerPixel > dstFmt.bytesPerPixel))
+			 || (dstFmt.bytesPerPixel == 3)
+			 || (!srcFmt.bytesPerPixel) || (!dstFmt.bytesPerPixel))
 		return false;
 
 	// Don't perform unnecessary conversion
 	if (srcFmt == dstFmt) {
-		if (dst == src)
-			return true;
-		if (dstpitch == srcpitch && ((w * dstFmt.bytesPerPixel) == dstpitch)) {
-			memcpy(dst,src,dstpitch * h);
-			return true;
-		} else {
-			for (int i = 0; i < h; i++) {
-				memcpy(dst,src,w * dstFmt.bytesPerPixel);
-				dst += dstpitch;
-				src += srcpitch;
+		if (dst != src) {
+			if (dstPitch == srcPitch && ((w * dstFmt.bytesPerPixel) == dstPitch)) {
+				memcpy(dst, src, dstPitch * h);
+			} else {
+				for (uint i = 0; i < h; ++i) {
+					memcpy(dst, src, w * dstFmt.bytesPerPixel);
+					dst += dstPitch;
+					src += srcPitch;
+				}
 			}
-			return true;
 		}
+
+		return true;
 	}
 
 	// Faster, but larger, to provide optimized handling for each case.
-	int srcDelta, dstDelta;
-	srcDelta = (srcpitch - w * srcFmt.bytesPerPixel);
-	dstDelta = (dstpitch - w * dstFmt.bytesPerPixel);
+	const uint srcDelta = (srcPitch - w * srcFmt.bytesPerPixel);
+	const uint dstDelta = (dstPitch - w * dstFmt.bytesPerPixel);
 
 	// TODO: optimized cases for dstDelta of 0
-	uint8 r, g, b, a;
 	if (dstFmt.bytesPerPixel == 2) {
-		uint16 color;
-		for (int y = 0; y < h; y++) {
-			for (int x = 0; x < w; x++, src += 2, dst += 2) {
-				color = *(const uint16 *)src;
-				srcFmt.colorToARGB(color, a, r, g, b);
-				color = dstFmt.ARGBToColor(a, r, g, b);
-				*(uint16 *)dst = color;
-			}
-			src += srcDelta;
-			dst += dstDelta;
-		}
-	} else if (dstFmt.bytesPerPixel == 3) {
-		uint32 color;
-		uint8 *col = (uint8 *) &color;
-#ifdef SCUMM_BIG_ENDIAN
-		col++;
-#endif
 		if (srcFmt.bytesPerPixel == 2) {
-			for (int y = 0; y < h; y++) {
-				for (int x = 0; x < w; x++, src += 2, dst += 3) {
-					color = *(const uint16 *)src;
-					srcFmt.colorToARGB(color, a, r, g, b);
-					color = dstFmt.ARGBToColor(a, r, g, b);
-					memcpy(dst, col, 3);
-				}
-				src += srcDelta;
-				dst += dstDelta;
-			}
+			crossBlitLogic<uint16, uint16, false>(dst, src, w, h, srcFmt, dstFmt, srcDelta, dstDelta);
+		} else if (srcFmt.bytesPerPixel == 3) {
+			crossBlitLogic3BppSource<uint16, false>(dst, src, w, h, srcFmt, dstFmt, srcDelta, dstDelta);
 		} else {
-			for (int y = 0; y < h; y++) {
-				for (int x = 0; x < w; x++, src += 3, dst += 3) {
-					memcpy(col, src, 3);
-					srcFmt.colorToARGB(color, a, r, g, b);
-					color = dstFmt.ARGBToColor(a, r, g, b);
-					memcpy(dst, col, 3);
-				}
-				src += srcDelta;
-				dst += dstDelta;
-			}
+			crossBlitLogic<uint32, uint16, false>(dst, src, w, h, srcFmt, dstFmt, srcDelta, dstDelta);
 		}
 	} else if (dstFmt.bytesPerPixel == 4) {
-		uint32 color;
 		if (srcFmt.bytesPerPixel == 2) {
-			for (int y = 0; y < h; y++) {
-				for (int x = 0; x < w; x++, src += 2, dst += 4) {
-					color = *(const uint16 *)src;
-					srcFmt.colorToARGB(color, a, r, g, b);
-					color = dstFmt.ARGBToColor(a, r, g, b);
-					*(uint32 *)dst = color;
-				}
-				src += srcDelta;
-				dst += dstDelta;
-			}
+			// We need to blit the surface from bottom right to top left here.
+			// This is neeeded, because when we convert to the same memory
+			// buffer copying the surface from top left to bottom right would
+			// overwrite the source, since we have more bits per destination
+			// color than per source color.
+			dst += h * dstPitch - dstDelta - dstFmt.bytesPerPixel;
+			src += h * srcPitch - srcDelta - srcFmt.bytesPerPixel;
+			crossBlitLogic<uint16, uint32, true>(dst, src, w, h, srcFmt, dstFmt, srcDelta, dstDelta);
 		} else if (srcFmt.bytesPerPixel == 3) {
-			uint8 *col = (uint8 *)&color;
-#ifdef SCUMM_BIG_ENDIAN
-			col++;
-#endif
-			for (int y = 0; y < h; y++) {
-				for (int x = 0; x < w; x++, src += 2, dst += 4) {
-					memcpy(col, src, 3);
-					srcFmt.colorToARGB(color, a, r, g, b);
-					color = dstFmt.ARGBToColor(a, r, g, b);
-					*(uint32 *)dst = color;
-				}
-				src += srcDelta;
-				dst += dstDelta;
-			}
+			// We need to blit the surface from bottom right to top left here.
+			// This is neeeded, because when we convert to the same memory
+			// buffer copying the surface from top left to bottom right would
+			// overwrite the source, since we have more bits per destination
+			// color than per source color.
+			dst += h * dstPitch - dstDelta - dstFmt.bytesPerPixel;
+			src += h * srcPitch - srcDelta - srcFmt.bytesPerPixel;
+			crossBlitLogic3BppSource<uint32, true>(dst, src, w, h, srcFmt, dstFmt, srcDelta, dstDelta);
 		} else {
-			for (int y = 0; y < h; y++) {
-				for (int x = 0; x < w; x++, src += 4, dst += 4) {
-					color = *(const uint32 *)src;
-					srcFmt.colorToARGB(color, a, r, g, b);
-					color = dstFmt.ARGBToColor(a, r, g, b);
-					*(uint32 *)dst = color;
-				}
-				src += srcDelta;
-				dst += dstDelta;
-			}
+			crossBlitLogic<uint32, uint32, false>(dst, src, w, h, srcFmt, dstFmt, srcDelta, dstDelta);
 		}
 	} else {
 		return false;
diff --git a/graphics/conversion.h b/graphics/conversion.h
index 6babc763e2..28e64a94fb 100644
--- a/graphics/conversion.h
+++ b/graphics/conversion.h
@@ -59,15 +59,18 @@ inline static void RGB2YUV(byte r, byte g, byte b, byte &y, byte &u, byte &v) {
  * @return			true if conversion completes successfully,
  *					false if there is an error.
  *
- * @note This implementation currently arbitrarily requires that the
- *		 destination's format have at least as high a bytedepth as
- *		 the source's.
- * @note This can convert a rectangle in place, if the source and
- *		 destination format have the same bytedepth.
- *
+ * @note Blitting to a 3Bpp destination is not supported
+ * @note This can convert a surface in place, regardless of the
+ *       source and destination format, as long as there is enough
+ *       space for the destination. The dstPitch / srcPitch ratio
+ *       must at least equal the dstBpp / srcBpp ratio for
+ *       dstPitch >= srcPitch and at most dstBpp / srcBpp for
+ *       dstPitch < srcPitch though.
  */
-bool crossBlit(byte *dst, const byte *src, int dstpitch, int srcpitch,
-						int w, int h, const Graphics::PixelFormat &dstFmt, const Graphics::PixelFormat &srcFmt);
+bool crossBlit(byte *dst, const byte *src,
+               const uint dstPitch, const uint srcPitch,
+               const uint w, const uint h,
+               const Graphics::PixelFormat &dstFmt, const Graphics::PixelFormat &srcFmt);
 
 } // End of namespace Graphics
 
diff --git a/graphics/cursorman.cpp b/graphics/cursorman.cpp
index 425714ea34..c818101645 100644
--- a/graphics/cursorman.cpp
+++ b/graphics/cursorman.cpp
@@ -55,14 +55,14 @@ bool CursorManager::showMouse(bool visible) {
 	return g_system->showMouse(visible);
 }
 
-void CursorManager::pushCursor(const byte *buf, uint w, uint h, int hotspotX, int hotspotY, uint32 keycolor, int targetScale, const Graphics::PixelFormat *format) {
-	Cursor *cur = new Cursor(buf, w, h, hotspotX, hotspotY, keycolor, targetScale, format);
+void CursorManager::pushCursor(const void *buf, uint w, uint h, int hotspotX, int hotspotY, uint32 keycolor, bool dontScale, const Graphics::PixelFormat *format) {
+	Cursor *cur = new Cursor(buf, w, h, hotspotX, hotspotY, keycolor, dontScale, format);
 
 	cur->_visible = isVisible();
 	_cursorStack.push(cur);
 
 	if (buf) {
-		g_system->setMouseCursor(cur->_data, w, h, hotspotX, hotspotY, keycolor, targetScale, format);
+		g_system->setMouseCursor(cur->_data, w, h, hotspotX, hotspotY, keycolor, dontScale, format);
 	}
 }
 
@@ -75,7 +75,7 @@ void CursorManager::popCursor() {
 
 	if (!_cursorStack.empty()) {
 		cur = _cursorStack.top();
-		g_system->setMouseCursor(cur->_data, cur->_width, cur->_height, cur->_hotspotX, cur->_hotspotY, cur->_keycolor, cur->_targetScale, &cur->_format);
+		g_system->setMouseCursor(cur->_data, cur->_width, cur->_height, cur->_hotspotX, cur->_hotspotY, cur->_keycolor, cur->_dontScale, &cur->_format);
 	}
 
 	g_system->showMouse(isVisible());
@@ -98,10 +98,10 @@ void CursorManager::popAllCursors() {
 	g_system->showMouse(isVisible());
 }
 
-void CursorManager::replaceCursor(const byte *buf, uint w, uint h, int hotspotX, int hotspotY, uint32 keycolor, int targetScale, const Graphics::PixelFormat *format) {
+void CursorManager::replaceCursor(const void *buf, uint w, uint h, int hotspotX, int hotspotY, uint32 keycolor, bool dontScale, const Graphics::PixelFormat *format) {
 
 	if (_cursorStack.empty()) {
-		pushCursor(buf, w, h, hotspotX, hotspotY, keycolor, targetScale, format);
+		pushCursor(buf, w, h, hotspotX, hotspotY, keycolor, dontScale, format);
 		return;
 	}
 
@@ -131,7 +131,7 @@ void CursorManager::replaceCursor(const byte *buf, uint w, uint h, int hotspotX,
 	cur->_hotspotX = hotspotX;
 	cur->_hotspotY = hotspotY;
 	cur->_keycolor = keycolor;
-	cur->_targetScale = targetScale;
+	cur->_dontScale = dontScale;
 #ifdef USE_RGB_COLOR
 	if (format)
 		cur->_format = *format;
@@ -139,7 +139,7 @@ void CursorManager::replaceCursor(const byte *buf, uint w, uint h, int hotspotX,
 		cur->_format = Graphics::PixelFormat::createFormatCLUT8();
 #endif
 
-	g_system->setMouseCursor(cur->_data, w, h, hotspotX, hotspotY, keycolor, targetScale, format);
+	g_system->setMouseCursor(cur->_data, w, h, hotspotX, hotspotY, keycolor, dontScale, format);
 }
 
 bool CursorManager::supportsCursorPalettes() {
@@ -225,7 +225,7 @@ void CursorManager::replaceCursorPalette(const byte *colors, uint start, uint nu
 	}
 }
 
-CursorManager::Cursor::Cursor(const byte *data, uint w, uint h, int hotspotX, int hotspotY, uint32 keycolor, int targetScale, const Graphics::PixelFormat *format) {
+CursorManager::Cursor::Cursor(const void *data, uint w, uint h, int hotspotX, int hotspotY, uint32 keycolor, bool dontScale, const Graphics::PixelFormat *format) {
 #ifdef USE_RGB_COLOR
 	if (!format)
 		_format = Graphics::PixelFormat::createFormatCLUT8();
@@ -245,7 +245,7 @@ CursorManager::Cursor::Cursor(const byte *data, uint w, uint h, int hotspotX, in
 	_height = h;
 	_hotspotX = hotspotX;
 	_hotspotY = hotspotY;
-	_targetScale = targetScale;
+	_dontScale = dontScale;
 }
 
 CursorManager::Cursor::~Cursor() {
diff --git a/graphics/cursorman.h b/graphics/cursorman.h
index 543a5d0a5c..66e8d1ba56 100644
--- a/graphics/cursorman.h
+++ b/graphics/cursorman.h
@@ -63,14 +63,15 @@ public:
 	 * @param hotspotY	the hotspot Y coordinate
 	 * @param keycolor	the color value for the transparent color. This may not exceed
 	 *                  the maximum color value as defined by format.
-	 * @param targetScale	the scale for which the cursor is designed
+	 * @param dontScale	Whether the cursor should never be scaled. An exception are high ppi displays, where the cursor
+	 *                  would be too small to notice otherwise, these are allowed to scale the cursor anyway.
 	 * @param format	a pointer to the pixel format which the cursor graphic uses,
 	 *					CLUT8 will be used if this is NULL or not specified.
 	 * @note It is ok for the buffer to be a NULL pointer. It is sometimes
 	 *       useful to push a "dummy" cursor and modify it later. The
 	 *       cursor will be added to the stack, but not to the backend.
 	 */
-	void pushCursor(const byte *buf, uint w, uint h, int hotspotX, int hotspotY, uint32 keycolor, int targetScale = 1, const Graphics::PixelFormat *format = NULL);
+	void pushCursor(const void *buf, uint w, uint h, int hotspotX, int hotspotY, uint32 keycolor, bool dontScale = false, const Graphics::PixelFormat *format = NULL);
 
 	/**
 	 * Pop a cursor from the stack, and restore the previous one to the
@@ -90,11 +91,12 @@ public:
 	 * @param hotspotY	the hotspot Y coordinate
 	 * @param keycolor	the color value for the transparent color. This may not exceed
 	 *                  the maximum color value as defined by format.
-	 * @param targetScale	the scale for which the cursor is designed
+	 * @param dontScale	Whether the cursor should never be scaled. An exception are high ppi displays, where the cursor
+	 *                  would be too small to notice otherwise, these are allowed to scale the cursor anyway.
 	 * @param format	a pointer to the pixel format which the cursor graphic uses,
 	 *					CLUT8 will be used if this is NULL or not specified.
 	 */
-	void replaceCursor(const byte *buf, uint w, uint h, int hotspotX, int hotspotY, uint32 keycolor, int targetScale = 1, const Graphics::PixelFormat *format = NULL);
+	void replaceCursor(const void *buf, uint w, uint h, int hotspotX, int hotspotY, uint32 keycolor, bool dontScale = false, const Graphics::PixelFormat *format = NULL);
 
 	/**
 	 * Pop all of the cursors and cursor palettes from their respective stacks.
@@ -175,11 +177,11 @@ private:
 		int _hotspotY;
 		uint32 _keycolor;
 		Graphics::PixelFormat _format;
-		int _targetScale;
+		bool _dontScale;
 
 		uint _size;
 
-		Cursor(const byte *data, uint w, uint h, int hotspotX, int hotspotY, uint32 keycolor, int targetScale = 1, const Graphics::PixelFormat *format = NULL);
+		Cursor(const void *data, uint w, uint h, int hotspotX, int hotspotY, uint32 keycolor, bool dontScale = false, const Graphics::PixelFormat *format = NULL);
 		~Cursor();
 	};
 
diff --git a/graphics/decoders/bmp.cpp b/graphics/decoders/bmp.cpp
index 0d44881d7c..bcfd0abbda 100644
--- a/graphics/decoders/bmp.cpp
+++ b/graphics/decoders/bmp.cpp
@@ -31,6 +31,7 @@ namespace Graphics {
 BitmapDecoder::BitmapDecoder() {
 	_surface = 0;
 	_palette = 0;
+	_paletteColorCount = 0;
 }
 
 BitmapDecoder::~BitmapDecoder() {
@@ -44,6 +45,7 @@ void BitmapDecoder::destroy() {
 	}
 
 	delete[] _palette; _palette = 0;
+	_paletteColorCount = 0;
 }
 
 bool BitmapDecoder::loadStream(Common::SeekableReadStream &stream) {
@@ -80,7 +82,7 @@ bool BitmapDecoder::loadStream(Common::SeekableReadStream &stream) {
 	/* uint16 planes = */ stream.readUint16LE();
 	uint16 bitsPerPixel = stream.readUint16LE();
 
-	if (bitsPerPixel != 8 && bitsPerPixel != 24) {
+	if (bitsPerPixel != 8 && bitsPerPixel != 24 && bitsPerPixel != 32) {
 		warning("%dbpp bitmaps not supported", bitsPerPixel);
 		return false;
 	}
@@ -95,16 +97,16 @@ bool BitmapDecoder::loadStream(Common::SeekableReadStream &stream) {
 	/* uint32 imageSize = */ stream.readUint32LE();
 	/* uint32 pixelsPerMeterX = */ stream.readUint32LE();
 	/* uint32 pixelsPerMeterY = */ stream.readUint32LE();
-	uint32 colorsUsed = stream.readUint32LE();
+	_paletteColorCount = stream.readUint32LE();
 	/* uint32 colorsImportant = */ stream.readUint32LE();
 
-	if (colorsUsed == 0)
-		colorsUsed = 256;
-
 	if (bitsPerPixel == 8) {
+		if (_paletteColorCount == 0)
+			_paletteColorCount = 256;
+
 		// Read the palette
-		_palette = new byte[colorsUsed * 3];
-		for (uint16 i = 0; i < colorsUsed; i++) {
+		_palette = new byte[_paletteColorCount * 3];
+		for (uint16 i = 0; i < _paletteColorCount; i++) {
 			_palette[i * 3 + 2] = stream.readByte();
 			_palette[i * 3 + 1] = stream.readByte();
 			_palette[i * 3 + 0] = stream.readByte();
@@ -117,8 +119,8 @@ bool BitmapDecoder::loadStream(Common::SeekableReadStream &stream) {
 
 	Graphics::PixelFormat format = Graphics::PixelFormat::createFormatCLUT8();
 
-	// BGRA for 24bpp
-	if (bitsPerPixel == 24)
+	// BGRA for 24bpp and 32 bpp
+	if (bitsPerPixel == 24 || bitsPerPixel == 32)
 		format = Graphics::PixelFormat(4, 8, 8, 8, 8, 8, 16, 24, 0);
 
 	_surface = new Graphics::Surface();
@@ -134,7 +136,24 @@ bool BitmapDecoder::loadStream(Common::SeekableReadStream &stream) {
 			stream.read(dst + (height - i - 1) * width, width);
 			stream.skip(extraDataLength);
 		}
-	} else {
+	} else if (bitsPerPixel == 24) {
+		byte *dst = (byte *)_surface->pixels + (height - 1) * _surface->pitch;
+
+		for (int32 i = 0; i < height; i++) {
+			for (uint32 j = 0; j < width; j++) {
+				byte b = stream.readByte();
+				byte g = stream.readByte();
+				byte r = stream.readByte();
+				uint32 color = format.RGBToColor(r, g, b);
+
+				*((uint32 *)dst) = color;
+				dst += format.bytesPerPixel;
+			}
+
+			stream.skip(extraDataLength);
+			dst -= _surface->pitch * 2;
+		}
+	} else { // 32 bpp
 		byte *dst = (byte *)_surface->pixels + (height - 1) * _surface->pitch;
 
 		for (int32 i = 0; i < height; i++) {
@@ -142,6 +161,10 @@ bool BitmapDecoder::loadStream(Common::SeekableReadStream &stream) {
 				byte b = stream.readByte();
 				byte g = stream.readByte();
 				byte r = stream.readByte();
+				// Ignore the last byte, as in v3 it is unused
+				// and should thus NOT be used as alpha.
+				// ref: http://msdn.microsoft.com/en-us/library/windows/desktop/dd183376%28v=vs.85%29.aspx
+				stream.readByte();
 				uint32 color = format.RGBToColor(r, g, b);
 
 				*((uint32 *)dst) = color;
diff --git a/graphics/decoders/bmp.h b/graphics/decoders/bmp.h
index e11b12fad6..59da682e4d 100644
--- a/graphics/decoders/bmp.h
+++ b/graphics/decoders/bmp.h
@@ -19,6 +19,13 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
+/**
+ * @file
+ * Image decoder used in engines:
+ *  - hugo
+ *  - mohawk
+ */
+
 #ifndef GRAPHICS_DECODERS_BMP_H
 #define GRAPHICS_DECODERS_BMP_H
 
@@ -44,11 +51,13 @@ public:
 	void destroy();
 	virtual bool loadStream(Common::SeekableReadStream &stream);
 	virtual const Surface *getSurface() const { return _surface; }
-	virtual const byte *getPalette() { return _palette; }
+	const byte *getPalette() const { return _palette; }
+	uint16 getPaletteColorCount() const { return _paletteColorCount; }
 
 private:
 	Surface *_surface;
 	byte *_palette;
+	uint16 _paletteColorCount;
 };
 
 } // End of namespace Graphics
diff --git a/graphics/decoders/image_decoder.h b/graphics/decoders/image_decoder.h
index e768f7f9a2..49e31c6e3a 100644
--- a/graphics/decoders/image_decoder.h
+++ b/graphics/decoders/image_decoder.h
@@ -75,9 +75,22 @@ public:
 	 * until destroy() or loadStream() is called, or until this ImageDecoder's
 	 * destructor is called.
 	 *
-	 * @return the decoded palette, or 0 if no palette is present
+	 * The palette's format is the same as PaletteManager's palette
+	 * (interleaved RGB values).
+	 *
+	 * @return the decoded palette, or undefined if no palette is present
 	 */
 	virtual const byte *getPalette() const { return 0; }
+
+	/**
+	 * Query if the decoded image has a palette.
+	 */
+	virtual bool hasPalette() const { return getPaletteColorCount() != 0; }
+
+	/** Return the starting index of the palette. */
+	virtual byte getPaletteStartIndex() const { return 0; }
+	/** Return the number of colors in the palette. */
+	virtual uint16 getPaletteColorCount() const { return 0; }
 };
 
 } // End of namespace Graphics
diff --git a/graphics/decoders/jpeg.cpp b/graphics/decoders/jpeg.cpp
index a871377ca1..08bc1f7a3d 100644
--- a/graphics/decoders/jpeg.cpp
+++ b/graphics/decoders/jpeg.cpp
@@ -81,7 +81,7 @@ const Surface *JPEGDecoder::getSurface() const {
 	const Graphics::Surface *uComponent = getComponent(2);
 	const Graphics::Surface *vComponent = getComponent(3);
 
-	convertYUV444ToRGB(_rgbSurface, (byte *)yComponent->pixels, (byte *)uComponent->pixels, (byte *)vComponent->pixels, yComponent->w, yComponent->h, yComponent->pitch, uComponent->pitch);
+	YUVToRGBMan.convert444(_rgbSurface, Graphics::YUVToRGBManager::kScaleFull, (byte *)yComponent->pixels, (byte *)uComponent->pixels, (byte *)vComponent->pixels, yComponent->w, yComponent->h, yComponent->pitch, uComponent->pitch);
 
 	return _rgbSurface;
 }
@@ -452,7 +452,7 @@ bool JPEGDecoder::readSOS() {
 					_bitsNumber = 0;
 
 					for (byte i = 0; i < _numScanComp; i++)
-						_scanComp[i]->DCpredictor = 0;					
+						_scanComp[i]->DCpredictor = 0;
 				}
 			}
 		}
diff --git a/graphics/decoders/jpeg.h b/graphics/decoders/jpeg.h
index c566d5ad21..c74aa57ca1 100644
--- a/graphics/decoders/jpeg.h
+++ b/graphics/decoders/jpeg.h
@@ -20,6 +20,13 @@
  *
  */
 
+/**
+ * @file
+ * Image decoder used in engines:
+ *  - groovie
+ *  - mohawk
+ */
+
 #ifndef GRAPHICS_JPEG_H
 #define GRAPHICS_JPEG_H
 
diff --git a/graphics/decoders/pcx.cpp b/graphics/decoders/pcx.cpp
new file mode 100644
index 0000000000..1250398c73
--- /dev/null
+++ b/graphics/decoders/pcx.cpp
@@ -0,0 +1,213 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include "common/stream.h"
+#include "common/textconsole.h"
+
+#include "graphics/pixelformat.h"
+#include "graphics/surface.h"
+#include "graphics/decoders/pcx.h"
+
+/**
+ * Based on the PCX specs:
+ * http://www.fileformat.info/format/pcx/spec/a10e75307b3a4cc49c3bbe6db4c41fa2/view.htm
+ * and the PCX decoder of FFmpeg (libavcodec/pcx.c):
+ * http://git.videolan.org/?p=ffmpeg.git;a=blob;f=libavcodec/pcx.c
+ */
+
+namespace Graphics {
+
+PCXDecoder::PCXDecoder() {
+	_surface = 0;
+	_palette = 0;
+	_paletteColorCount = 0;
+}
+
+PCXDecoder::~PCXDecoder() {
+	destroy();
+}
+
+void PCXDecoder::destroy() {
+	if (_surface) {
+		_surface->free();
+		delete _surface;
+		_surface = 0;
+	}
+
+	delete[] _palette;
+	_palette = 0;
+	_paletteColorCount = 0;
+}
+
+bool PCXDecoder::loadStream(Common::SeekableReadStream &stream) {
+	destroy();
+
+	if (stream.readByte() != 0x0a)	// ZSoft PCX
+		return false;
+
+	byte version = stream.readByte();	// 0 - 5
+	if (version > 5)
+		return false;
+
+	bool compressed = stream.readByte(); // encoding, 1 = run length encoding
+	byte bitsPerPixel = stream.readByte();	// 1, 2, 4 or 8
+
+	// Window
+	uint16 xMin = stream.readUint16LE();
+	uint16 yMin = stream.readUint16LE();
+	uint16 xMax = stream.readUint16LE();
+	uint16 yMax = stream.readUint16LE();
+
+	uint16 width  = xMax - xMin + 1;
+	uint16 height = yMax - yMin + 1;
+
+	if (xMax < xMin || yMax < yMin) {
+		warning("Invalid PCX image dimensions");
+		return false;
+	}
+
+	stream.skip(4);	// HDpi, VDpi
+
+	// Read the EGA palette (colormap)
+	_palette = new byte[16 * 3];
+	for (uint16 i = 0; i < 16; i++) {
+		_palette[i * 3 + 0] = stream.readByte();
+		_palette[i * 3 + 1] = stream.readByte();
+		_palette[i * 3 + 2] = stream.readByte();
+	}
+
+	if (stream.readByte() != 0)	// reserved, should be set to 0
+		return false;
+
+	byte nPlanes = stream.readByte();
+	uint16 bytesPerLine = stream.readUint16LE();
+	uint16 bytesPerscanLine = nPlanes * bytesPerLine;
+
+	if (bytesPerscanLine < width * bitsPerPixel * nPlanes / 8) {
+		warning("PCX data is corrupted");
+		return false;
+	}
+
+	stream.skip(60);	// PaletteInfo, HscreenSize, VscreenSize, Filler
+
+	_surface = new Graphics::Surface();
+
+	byte *scanLine = new byte[bytesPerscanLine];
+	byte *dst;
+	int x, y;
+
+	if (nPlanes == 3 && bitsPerPixel == 8) {	// 24bpp
+		Graphics::PixelFormat format = Graphics::PixelFormat(4, 8, 8, 8, 8, 24, 16, 8, 0);
+		_surface->create(width, height, format);
+		dst = (byte *)_surface->pixels;
+		_paletteColorCount = 0;
+
+		for (y = 0; y < height; y++) {
+			decodeRLE(stream, scanLine, bytesPerscanLine, compressed);
+
+			for (x = 0; x < width; x++) {
+				byte b = scanLine[x];
+				byte g = scanLine[x +  bytesPerLine];
+				byte r = scanLine[x + (bytesPerLine << 1)];
+				uint32 color = format.RGBToColor(r, g, b);
+
+				*((uint32 *)dst) = color;
+				dst += format.bytesPerPixel;
+			}
+		}
+	} else if (nPlanes == 1 && bitsPerPixel == 8) {	// 8bpp indexed
+		_surface->create(width, height, Graphics::PixelFormat::createFormatCLUT8());
+		dst = (byte *)_surface->pixels;
+		_paletteColorCount = 16;
+
+		for (y = 0; y < height; y++, dst += _surface->pitch) {
+			decodeRLE(stream, scanLine, bytesPerscanLine, compressed);
+			memcpy(dst, scanLine, width);
+		}
+
+		if (version == 5) {
+			if (stream.readByte() != 12) {
+				warning("Expected a palette after the PCX image data");
+				delete[] scanLine;
+				return false;
+			}
+
+			// Read the VGA palette
+			delete[] _palette;
+			_palette = new byte[256 * 3];
+			for (uint16 i = 0; i < 256; i++) {
+				_palette[i * 3 + 0] = stream.readByte();
+				_palette[i * 3 + 1] = stream.readByte();
+				_palette[i * 3 + 2] = stream.readByte();
+			}
+
+			_paletteColorCount = 256;
+		}
+	} else if ((nPlanes == 2 || nPlanes == 3 || nPlanes == 4) && bitsPerPixel == 1) {	// planar, 4, 8 or 16 colors
+		_surface->create(width, height, Graphics::PixelFormat::createFormatCLUT8());
+		dst = (byte *)_surface->pixels;
+		_paletteColorCount = 16;
+
+		for (y = 0; y < height; y++, dst += _surface->pitch) {
+			decodeRLE(stream, scanLine, bytesPerscanLine, compressed);
+
+			for (x = 0; x < width; x++) {
+				int m = 0x80 >> (x & 7), v = 0;
+				for (int i = nPlanes - 1; i >= 0; i--) {
+					v <<= 1;
+					v  += (scanLine[i * bytesPerLine + (x >> 3)] & m) == 0 ? 0 : 1;
+				}
+				dst[x] = v;
+			}
+		}
+	} else {
+		// Known unsupported case: 1 plane and bpp < 8 (1, 2 or 4)
+		warning("Invalid PCX file (%d planes, %d bpp)", nPlanes, bitsPerPixel);
+		delete[] scanLine;
+		return false;
+	}
+
+	delete[] scanLine;
+
+	return true;
+}
+
+void PCXDecoder::decodeRLE(Common::SeekableReadStream &stream, byte *dst, uint32 bytesPerscanLine, bool compressed) {
+	uint32 i = 0;
+	byte run, value;
+
+	if (compressed) {
+		while (i < bytesPerscanLine) {
+			run = 1;
+			value = stream.readByte();
+			if (value >= 0xc0) {
+				run = value & 0x3f;
+				value = stream.readByte();
+			}
+			while (i < bytesPerscanLine && run--)
+				dst[i++] = value;
+		}
+	} else {
+		stream.read(dst, bytesPerscanLine);
+	}
+}
+
+} // End of namespace Graphics
diff --git a/graphics/decoders/pcx.h b/graphics/decoders/pcx.h
new file mode 100644
index 0000000000..b25166b3d9
--- /dev/null
+++ b/graphics/decoders/pcx.h
@@ -0,0 +1,68 @@
+/* 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.
+ */
+
+/**
+ * PCX decoder used in engines:
+ *  - dreamweb
+ *  - hugo
+ *  - queen
+ *  - tucker
+ */
+
+#ifndef GRAPHICS_DECODERS_PCX_H
+#define GRAPHICS_DECODERS_PCX_H
+
+#include "common/scummsys.h"
+#include "common/str.h"
+#include "graphics/decoders/image_decoder.h"
+
+namespace Common{
+class SeekableReadStream;
+}
+
+namespace Graphics {
+
+struct PixelFormat;
+struct Surface;
+
+class PCXDecoder : public ImageDecoder {
+public:
+	PCXDecoder();
+	virtual ~PCXDecoder();
+
+	// ImageDecoder API
+	void destroy();
+	virtual bool loadStream(Common::SeekableReadStream &stream);
+	virtual const Surface *getSurface() const { return _surface; }
+	const byte *getPalette() const { return _palette; }
+	uint16 getPaletteColorCount() const { return _paletteColorCount; }
+
+private:
+	void decodeRLE(Common::SeekableReadStream &stream, byte *dst, uint32 bytesPerScanline, bool compressed);
+
+	Surface *_surface;
+	byte *_palette;
+	uint16 _paletteColorCount;
+};
+
+} // End of namespace Graphics
+
+#endif
diff --git a/graphics/decoders/pict.cpp b/graphics/decoders/pict.cpp
index 957342084e..d35e5c3064 100644
--- a/graphics/decoders/pict.cpp
+++ b/graphics/decoders/pict.cpp
@@ -38,6 +38,7 @@ namespace Graphics {
 
 PICTDecoder::PICTDecoder() {
 	_outputSurface = 0;
+	_paletteColorCount = 0;
 }
 
 PICTDecoder::~PICTDecoder() {
@@ -50,6 +51,8 @@ void PICTDecoder::destroy() {
 		delete _outputSurface;
 		_outputSurface = 0;
 	}
+
+	_paletteColorCount = 0;
 }
 
 #define OPCODE(a, b, c) _opcodes.push_back(PICTOpcode(a, &PICTDecoder::b, c))
@@ -289,18 +292,18 @@ struct PackBitsRectData {
 	uint16 mode;
 };
 
-void PICTDecoder::unpackBitsRect(Common::SeekableReadStream &stream, bool hasPalette) {
+void PICTDecoder::unpackBitsRect(Common::SeekableReadStream &stream, bool withPalette) {
 	PackBitsRectData packBitsData;
-	packBitsData.pixMap = readPixMap(stream, !hasPalette);
+	packBitsData.pixMap = readPixMap(stream, !withPalette);
 
 	// Read in the palette if there is one present
-	if (hasPalette) {
+	if (withPalette) {
 		// See http://developer.apple.com/legacy/mac/library/documentation/mac/QuickDraw/QuickDraw-267.html
 		stream.readUint32BE(); // seed
 		stream.readUint16BE(); // flags
-		uint16 colorCount = stream.readUint16BE() + 1;
+		_paletteColorCount = stream.readUint16BE() + 1;
 
-		for (uint32 i = 0; i < colorCount; i++) {
+		for (uint32 i = 0; i < _paletteColorCount; i++) {
 			stream.readUint16BE();
 			_palette[i * 3] = stream.readUint16BE() >> 8;
 			_palette[i * 3 + 1] = stream.readUint16BE() >> 8;
@@ -361,14 +364,14 @@ void PICTDecoder::unpackBitsRect(Common::SeekableReadStream &stream, bool hasPal
 		memcpy(_outputSurface->pixels, buffer, _outputSurface->w * _outputSurface->h);
 		break;
 	case 2:
-		// Convert from 16-bit to whatever surface we need
+		// We have a 16-bit surface
 		_outputSurface->create(width, height, PixelFormat(2, 5, 5, 5, 0, 10, 5, 0, 0));
 		for (uint16 y = 0; y < _outputSurface->h; y++)
 			for (uint16 x = 0; x < _outputSurface->w; x++)
 				WRITE_UINT16(_outputSurface->getBasePtr(x, y), READ_UINT16(buffer + (y * _outputSurface->w + x) * 2));
 		break;
 	case 3:
-		// Convert from 24-bit (planar!) to whatever surface we need
+		// We have a planar 24-bit surface
 		_outputSurface->create(width, height, Graphics::PixelFormat(4, 8, 8, 8, 8, 24, 16, 8, 0));
 		for (uint16 y = 0; y < _outputSurface->h; y++) {
 			for (uint16 x = 0; x < _outputSurface->w; x++) {
@@ -380,15 +383,18 @@ void PICTDecoder::unpackBitsRect(Common::SeekableReadStream &stream, bool hasPal
 		}
 		break;
 	case 4:
-		// Convert from 32-bit (planar!) to whatever surface we need
+		// We have a planar 32-bit surface
+		// Note that we ignore the alpha channel since it seems to not be correct
+		// Mac OS X does not ignore it, but then displays it incorrectly. Photoshop
+		// does ignore it and displays it correctly.
 		_outputSurface->create(width, height, Graphics::PixelFormat(4, 8, 8, 8, 8, 24, 16, 8, 0));
 		for (uint16 y = 0; y < _outputSurface->h; y++) {
 			for (uint16 x = 0; x < _outputSurface->w; x++) {
-				byte r = *(buffer + y * _outputSurface->w * 4 + x);
-				byte g = *(buffer + y * _outputSurface->w * 4 + _outputSurface->w + x);
-				byte b = *(buffer + y * _outputSurface->w * 4 + _outputSurface->w * 2 + x);
-				byte a = *(buffer + y * _outputSurface->w * 4 + _outputSurface->w * 3 + x);
-				*((uint32 *)_outputSurface->getBasePtr(x, y)) = _outputSurface->format.ARGBToColor(r, g, b, a);
+				byte a = 0xFF;
+				byte r = *(buffer + y * _outputSurface->w * 4 + _outputSurface->w + x);
+				byte g = *(buffer + y * _outputSurface->w * 4 + _outputSurface->w * 2 + x);
+				byte b = *(buffer + y * _outputSurface->w * 4 + _outputSurface->w * 3 + x);
+				*((uint32 *)_outputSurface->getBasePtr(x, y)) = _outputSurface->format.ARGBToColor(a, r, g, b);
 			}
 		}
 		break;
@@ -463,10 +469,10 @@ void PICTDecoder::outputPixelBuffer(byte *&out, byte value, byte bitsPerPixel) {
 	}
 }
 
-void PICTDecoder::skipBitsRect(Common::SeekableReadStream &stream, bool hasPalette) {
+void PICTDecoder::skipBitsRect(Common::SeekableReadStream &stream, bool withPalette) {
 	// Step through a PackBitsRect/DirectBitsRect function
 
-	if (!hasPalette)
+	if (!withPalette)
 		stream.readUint32BE();
 
 	uint16 rowBytes = stream.readUint16BE();
@@ -486,7 +492,7 @@ void PICTDecoder::skipBitsRect(Common::SeekableReadStream &stream, bool hasPalet
 		stream.readUint16BE(); // pixelSize
 		stream.skip(16);
 
-		if (hasPalette) {
+		if (withPalette) {
 			stream.readUint32BE();
 			stream.readUint16BE();
 			stream.skip((stream.readUint16BE() + 1) * 8);
@@ -537,14 +543,18 @@ void PICTDecoder::decodeCompressedQuickTime(Common::SeekableReadStream &stream)
 
 	// Skip the matte and mask
 	stream.skip(matteSize + maskSize);
-	
+
 	// Now we've reached the image descriptor, so read the relevant data from that
 	uint32 idStart = stream.pos();
 	uint32 idSize = stream.readUint32BE();
-	stream.skip(40); // miscellaneous stuff
+	uint32 codec = stream.readUint32BE();
+	stream.skip(36); // miscellaneous stuff
 	uint32 jpegSize = stream.readUint32BE();
 	stream.skip(idSize - (stream.pos() - idStart)); // more useless stuff
 
+	if (codec != MKTAG('j', 'p', 'e', 'g'))
+		error("Unhandled CompressedQuickTime format '%s'", tag2str(codec));
+
 	Common::SeekableSubReadStream jpegStream(&stream, stream.pos(), stream.pos() + jpegSize);
 
 	JPEGDecoder jpeg;
diff --git a/graphics/decoders/pict.h b/graphics/decoders/pict.h
index b1e45a6bc1..6f0d86c7a1 100644
--- a/graphics/decoders/pict.h
+++ b/graphics/decoders/pict.h
@@ -20,6 +20,14 @@
  *
  */
 
+/**
+ * @file
+ * Image decoder used in engines:
+ *  - mohawk
+ *  - pegasus
+ *  - sci
+ */
+
 #ifndef GRAPHICS_PICT_H
 #define GRAPHICS_PICT_H
 
@@ -50,6 +58,7 @@ public:
 	void destroy();
 	const Surface *getSurface() const { return _outputSurface; }
 	const byte *getPalette() const { return _palette; }
+	uint16 getPaletteColorCount() const { return _paletteColorCount; }
 
 	struct PixMap {
 		uint32 baseAddr;
@@ -74,13 +83,14 @@ public:
 private:
 	Common::Rect _imageRect;
 	byte _palette[256 * 3];
+	uint16 _paletteColorCount;
 	Graphics::Surface *_outputSurface;
 	bool _continueParsing;
 
 	// Utility Functions
-	void unpackBitsRect(Common::SeekableReadStream &stream, bool hasPalette);
+	void unpackBitsRect(Common::SeekableReadStream &stream, bool withPalette);
 	void unpackBitsLine(byte *out, uint32 length, Common::SeekableReadStream *stream, byte bitsPerPixel, byte bytesPerPixel);
-	void skipBitsRect(Common::SeekableReadStream &stream, bool hasPalette);
+	void skipBitsRect(Common::SeekableReadStream &stream, bool withPalette);
 	void decodeCompressedQuickTime(Common::SeekableReadStream &stream);
 	void outputPixelBuffer(byte *&out, byte value, byte bitsPerPixel);
 
diff --git a/graphics/decoders/png.cpp b/graphics/decoders/png.cpp
index b87b6fdc7a..4f917b44b1 100644
--- a/graphics/decoders/png.cpp
+++ b/graphics/decoders/png.cpp
@@ -20,86 +20,25 @@
  *
  */
 
+// Since we need to work with libpng here, we need to allow all symbols
+// to avoid compilation issues.
+#define FORBIDDEN_SYMBOL_ALLOW_ALL
+#include "common/scummsys.h"
+
+#ifdef USE_PNG
+#include <png.h>
+#endif
+
 #include "graphics/decoders/png.h"
 
 #include "graphics/pixelformat.h"
 #include "graphics/surface.h"
 
-#include "common/endian.h"
-#include "common/memstream.h"
 #include "common/stream.h"
-#include "common/types.h"
-#include "common/util.h"
-#include "common/zlib.h"
-
-// PNG decoder, based on the W3C specs:
-// http://www.w3.org/TR/PNG/
-// Parts of the code have been adapted from LodePNG, by Lode Vandevenne:
-// http://members.gamedev.net/lode/projects/LodePNG/
-
-/*
-LodePNG version 20101211
-
-Copyright (c) 2005-2010 Lode Vandevenne
-
-This software is provided 'as-is', without any express or implied
-warranty. In no event will the authors be held liable for any damages
-arising from the use of this software.
-
-Permission is granted to anyone to use this software for any purpose,
-including commercial applications, and to alter it and redistribute it
-freely, subject to the following restrictions:
-
-    1. The origin of this software must not be misrepresented; you must not
-    claim that you wrote the original software. If you use this software
-    in a product, an acknowledgment in the product documentation would be
-    appreciated but is not required.
-
-    2. Altered source versions must be plainly marked as such, and must not be
-    misrepresented as being the original software.
-
-    3. This notice may not be removed or altered from any source
-    distribution.
-*/
 
 namespace Graphics {
 
-enum PNGChunks {
-	// == Critical chunks =====================================================
-	kChunkIHDR = MKTAG('I','H','D','R'),	// Image header
-	kChunkIDAT = MKTAG('I','D','A','T'),	// Image data
-	kChunkPLTE = MKTAG('P','L','T','E'),	// Palette
-	kChunkIEND = MKTAG('I','E','N','D'),	// Image trailer
-	// == Ancillary chunks ====================================================
-	kChunktRNS = MKTAG('t','R','N','S')	// Transparency
-	// All of the other ancillary chunks are ignored. They're added here for
-	// reference only.
-	// cHRM - Primary chromacities and white point
-	// gAMA - Image gamma
-	// iCCP - Embedded ICC profile
-	// sBIT - Significant bits
-	// sRGB - Standard RGB color space
-	// tEXT - Textual data
-	// sTXt - Compressed textual data
-	// iTXt - International textual data
-	// bKGD - Background color
-	// hIST - Image histogram
-	// pHYs - Physical pixel dimensions
-	// sPLT - Suggested palette
-	// tIME - Image last-modification time
-};
-
-// Refer to http://www.w3.org/TR/PNG/#9Filters
-enum PNGFilters {
-	kFilterNone    = 0,
-	kFilterSub     = 1,
-	kFilterUp      = 2,
-	kFilterAverage = 3,
-	kFilterPaeth   = 4
-};
-
-PNGDecoder::PNGDecoder() : _compressedBuffer(0), _compressedBufferSize(0),
-			_transparentColorSpecified(false), _outputSurface(0) {
+PNGDecoder::PNGDecoder() : _outputSurface(0), _palette(0), _paletteColorCount(0) {
 }
 
 PNGDecoder::~PNGDecoder() {
@@ -112,12 +51,41 @@ void PNGDecoder::destroy() {
 		delete _outputSurface;
 		_outputSurface = 0;
 	}
+	delete[] _palette;
+	_palette = NULL;
 }
 
+#ifdef USE_PNG
+// libpng-error-handling:
+void pngError(png_structp pngptr, png_const_charp errorMsg) {
+	error("%s", errorMsg);
+}
+
+void pngWarning(png_structp pngptr, png_const_charp warningMsg) {
+	warning("%s", warningMsg);
+}
+
+// libpng-I/O-helper:
+void pngReadFromStream(png_structp pngPtr, png_bytep data, png_size_t length) {
+	void *readIOptr = png_get_io_ptr(pngPtr);
+	Common::SeekableReadStream *stream = (Common::SeekableReadStream *)readIOptr;
+	stream->read(data, length);
+}
+#endif
+
+/*
+ * This code is based on Broken Sword 2.5 engine
+ *
+ * Copyright (c) Malte Thiesen, Daniel Queteschiner and Michael Elsdoerfer
+ *
+ * Licensed under GNU GPL v2
+ *
+ */
+
 bool PNGDecoder::loadStream(Common::SeekableReadStream &stream) {
+#ifdef USE_PNG
 	destroy();
 
-	uint32 chunkLength = 0, chunkType = 0;
 	_stream = &stream;
 
 	// First, check the PNG signature
@@ -130,374 +98,144 @@ bool PNGDecoder::loadStream(Common::SeekableReadStream &stream) {
 		return false;
 	}
 
-	// Start reading chunks till we reach an IEND chunk
-	while (chunkType != kChunkIEND) {
-		// The chunk length does not include the type or CRC bytes
-		chunkLength = _stream->readUint32BE();
-		chunkType = _stream->readUint32BE();
-
-		switch (chunkType) {
-		case kChunkIHDR:
-			readHeaderChunk();
-			break;
-		case kChunkIDAT:
-			if (_compressedBufferSize == 0) {
-				_compressedBufferSize += chunkLength;
-				_compressedBuffer = (byte *)malloc(_compressedBufferSize);
-				_stream->read(_compressedBuffer, chunkLength);
-			} else {
-				// Expand the buffer
-				uint32 prevSize = _compressedBufferSize;
-				_compressedBufferSize += chunkLength;
-				byte *tmp = new byte[prevSize];
-				memcpy(tmp, _compressedBuffer, prevSize);
-				free(_compressedBuffer);
-				_compressedBuffer = (byte *)malloc(_compressedBufferSize);
-				memcpy(_compressedBuffer, tmp, prevSize);
-				delete[] tmp;
-				_stream->read(_compressedBuffer + prevSize, chunkLength);
-			}
-			break;
-		case kChunkPLTE:	// only available in indexed PNGs
-			if (_header.colorType != kIndexed)
-				error("A palette chunk has been found in a non-indexed PNG file");
-			if (chunkLength % 3 != 0)
-				error("Palette chunk not divisible by 3");
-
-			_paletteEntries = chunkLength / 3;
-			_stream->read(_palette, _paletteEntries * 3);
-			memset(_paletteTransparency, 0xff, sizeof(_paletteTransparency));
-			break;
-		case kChunkIEND:
-			// End of stream
-			break;
-		case kChunktRNS:
-			readTransparencyChunk(chunkLength);
-			break;
-		default:
-			// Skip the chunk content
-			_stream->skip(chunkLength);
-			break;
-		}
-
-		if (chunkType != kChunkIEND)
-			_stream->skip(4);	// skip the chunk CRC checksum
+	// The following is based on the guide provided in:
+	//http://www.libpng.org/pub/png/libpng-1.2.5-manual.html#section-3
+	//http://www.libpng.org/pub/png/libpng-1.4.0-manual.pdf
+	// along with the png-loading code used in the sword25-engine.
+	png_structp pngPtr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
+	if (!pngPtr) {
+		delete _stream;
+		return false;
+	}
+	png_infop infoPtr = png_create_info_struct(pngPtr);
+	if (!infoPtr) {
+		png_destroy_read_struct(&pngPtr, NULL, NULL);
+		delete _stream;
+		return false;
+	}
+	png_infop endInfo = png_create_info_struct(pngPtr);
+	if (!endInfo) {
+		png_destroy_read_struct(&pngPtr, &infoPtr, NULL);
+		delete _stream;
+		return false;
 	}
 
-	// We no longer need the file stream, thus close it here
-	_stream = 0;
+	png_set_error_fn(pngPtr, NULL, pngError, pngWarning);
+	// TODO: The manual says errors should be handled via setjmp
 
-	// Unpack the compressed buffer
-	Common::MemoryReadStream *compData = new Common::MemoryReadStream(_compressedBuffer, _compressedBufferSize, DisposeAfterUse::YES);
-	_imageData = Common::wrapCompressedReadStream(compData);
+	png_set_read_fn(pngPtr, _stream, pngReadFromStream);
+	png_set_crc_action(pngPtr, PNG_CRC_DEFAULT, PNG_CRC_WARN_USE);
+	// We already verified the PNG-header
+	png_set_sig_bytes(pngPtr, 8);
 
-	// Construct the final image
-	constructImage();
+	// Read PNG header
+	png_read_info(pngPtr, infoPtr);
 
-	// Close the uncompressed stream, which will also delete the memory stream,
-	// and thus the original compressed buffer
-	delete _imageData;
+	// No handling for unknown chunks yet.
+	int bitDepth, colorType, width, height, interlaceType;
+	png_uint_32 w, h;
+	png_get_IHDR(pngPtr, infoPtr, &w, &h, &bitDepth, &colorType, &interlaceType, NULL, NULL);
+	width = w;
+	height = h;
 
-	return true;
-}
-
-/**
- * Paeth predictor, used by PNG filter type 4
- * The parameters are of signed 16-bit integers, but should come
- * from unsigned chars. The integers  are only needed to make
- * the paeth calculation correct.
- *
- * Taken from lodePNG, with a slight patch:
- * http://www.atalasoft.com/cs/blogs/stevehawley/archive/2010/02/23/libpng-you-re-doing-it-wrong.aspx
- */
-byte PNGDecoder::paethPredictor(int16 a, int16 b, int16 c) {
-  int16 pa = ABS<int16>(b - c);
-  int16 pb = ABS<int16>(a - c);
-  int16 pc = ABS<int16>(a + b - c - c);
-
-  if (pa <= MIN<int16>(pb, pc))
-	  return (byte)a;
-  else if (pb <= pc)
-	  return (byte)b;
-  else
-	  return (byte)c;
-}
+	// Allocate memory for the final image data.
+	// To keep memory framentation low this happens before allocating memory for temporary image data.
+	_outputSurface = new Graphics::Surface();
 
-/**
- * Unfilters a filtered PNG scan line.
- * PNG filters are defined in: http://www.w3.org/TR/PNG/#9Filters
- * Note that filters are always applied to bytes
- *
- * Taken from lodePNG
- */
-void PNGDecoder::unfilterScanLine(byte *dest, const byte *scanLine, const byte *prevLine, uint16 byteWidth, byte filterType, uint16 length) {
-	uint16 i;
-
-	switch (filterType) {
-	case kFilterNone:		// no change
-		for (i = 0; i < length; i++)
-			dest[i] = scanLine[i];
-		break;
-	case kFilterSub:		// add the bytes to the left
-		for (i = 0; i < byteWidth; i++)
-			dest[i] = scanLine[i];
-		for (i = byteWidth; i < length; i++)
-			dest[i] = scanLine[i] + dest[i - byteWidth];
-		break;
-	case kFilterUp:			// add the bytes of the above scanline
-		if (prevLine) {
-			for (i = 0; i < length; i++)
-				dest[i] = scanLine[i] + prevLine[i];
-		} else {
-			for (i = 0; i < length; i++)
-				dest[i] = scanLine[i];
+	// Images of all color formats except PNG_COLOR_TYPE_PALETTE
+	// will be transformed into ARGB images
+	if (colorType == PNG_COLOR_TYPE_PALETTE && !png_get_valid(pngPtr, infoPtr, PNG_INFO_tRNS)) {
+		int numPalette = 0;
+		png_colorp palette = NULL;
+		uint32 success = png_get_PLTE(pngPtr, infoPtr, &palette, &numPalette);
+		if (success != PNG_INFO_PLTE) {
+			png_destroy_read_struct(&pngPtr, &infoPtr, NULL);
+			return false;
 		}
-		break;
-	case kFilterAverage:	// average value of the left and top left
-		if (prevLine) {
-			for (i = 0; i < byteWidth; i++)
-				dest[i] = scanLine[i] + prevLine[i] / 2;
-			for (i = byteWidth; i < length; i++)
-				dest[i] = scanLine[i] + ((dest[i - byteWidth] + prevLine[i]) / 2);
-		} else {
-			for (i = 0; i < byteWidth; i++)
-				dest[i] = scanLine[i];
-			for (i = byteWidth; i < length; i++)
-				dest[i] = scanLine[i] + dest[i - byteWidth] / 2;
+		_paletteColorCount = numPalette;
+		_palette = new byte[_paletteColorCount * 3];
+		for (int i = 0; i < _paletteColorCount; i++) {
+			_palette[(i * 3)] = palette[i].red;
+			_palette[(i * 3) + 1] = palette[i].green;
+			_palette[(i * 3) + 2] = palette[i].blue;
+
 		}
-		break;
-	case kFilterPaeth:		// Paeth filter: http://www.w3.org/TR/PNG/#9Filter-type-4-Paeth
-		if (prevLine) {
-			for(i = 0; i < byteWidth; i++)
-				dest[i] = (scanLine[i] + prevLine[i]); // paethPredictor(0, prevLine[i], 0) is always prevLine[i]
-			for(i = byteWidth; i < length; i++)
-				dest[i] = (scanLine[i] + paethPredictor(dest[i - byteWidth], prevLine[i], prevLine[i - byteWidth]));
-		} else {
-			for(i = 0; i < byteWidth; i++)
-				dest[i] = scanLine[i];
-			for(i = byteWidth; i < length; i++)
-				dest[i] = (scanLine[i] + dest[i - byteWidth]); // paethPredictor(dest[i - byteWidth], 0, 0) is always dest[i - byteWidth]
+		_outputSurface->create(width, height, Graphics::PixelFormat::createFormatCLUT8());
+		png_set_packing(pngPtr);
+	} else {
+		_outputSurface->create(width, height, Graphics::PixelFormat(4, 8, 8, 8, 8, 24, 16, 8, 0));
+		if (!_outputSurface->pixels) {
+			error("Could not allocate memory for output image.");
 		}
-		break;
-	default:
-		error("Unknown line filter");
-	}
+		if (bitDepth == 16)
+			png_set_strip_16(pngPtr);
+		if (bitDepth < 8)
+			png_set_expand(pngPtr);
+		if (png_get_valid(pngPtr, infoPtr, PNG_INFO_tRNS))
+			png_set_expand(pngPtr);
+		if (colorType == PNG_COLOR_TYPE_GRAY ||
+			colorType == PNG_COLOR_TYPE_GRAY_ALPHA)
+			png_set_gray_to_rgb(pngPtr);
+
+		// PNGs are Big-Endian:
+#ifdef SCUMM_LITTLE_ENDIAN
+		png_set_bgr(pngPtr);
+		png_set_swap_alpha(pngPtr);
+		if (colorType != PNG_COLOR_TYPE_RGB_ALPHA)
+			png_set_filler(pngPtr, 0xff, PNG_FILLER_BEFORE);
+#else
+		if (colorType != PNG_COLOR_TYPE_RGB_ALPHA)
+			png_set_filler(pngPtr, 0xff, PNG_FILLER_AFTER);
+#endif
 
-}
+	}
 
-int PNGDecoder::getBytesPerPixel() const {
-	return (getNumColorChannels() * _header.bitDepth + 7) / 8;
-}
+	// After the transformations have been registered, the image data is read again.
+	png_set_interlace_handling(pngPtr);
+	png_read_update_info(pngPtr, infoPtr);
+	png_get_IHDR(pngPtr, infoPtr, &w, &h, &bitDepth, &colorType, NULL, NULL, NULL);
+	width = w;
+	height = h;
+
+	if (interlaceType == PNG_INTERLACE_NONE) {
+		// PNGs without interlacing can simply be read row by row.
+		for (int i = 0; i < height; i++) {
+			png_read_row(pngPtr, (png_bytep)_outputSurface->getBasePtr(0, i), NULL);
+		}
+	} else {
+		// PNGs with interlacing require us to allocate an auxillary
+		// buffer with pointers to all row starts.
 
-void PNGDecoder::constructImage() {
-	assert (_header.bitDepth != 0);
-
-	int bytesPerPixel = getBytesPerPixel();
-	int pitch = bytesPerPixel * _header.width;
-	byte *unfilteredSurface = new byte[pitch * _header.height];
-	byte *dest = unfilteredSurface;
-	uint16 scanLineWidth = (_header.width * getNumColorChannels() * _header.bitDepth + 7) / 8;
-	byte *scanLine = new byte[scanLineWidth];
-	byte *prevLine = 0;
-
-	switch(_header.interlaceType) {
-	case kNonInterlaced:
-		for (uint16 y = 0; y < _header.height; y++) {
-			byte filterType = _imageData->readByte();
-			_imageData->read(scanLine, scanLineWidth);
-			unfilterScanLine(dest, scanLine, prevLine, bytesPerPixel, filterType, scanLineWidth);
-			prevLine = dest;
-			dest += pitch;
+		// Allocate row pointer buffer
+		png_bytep *rowPtr = new png_bytep[height];
+		if (!rowPtr) {
+			error("Could not allocate memory for row pointers.");
 		}
-		break;
-	case kInterlaced:
-		// Theoretically, this shouldn't be needed, as interlacing is only
-		// useful for web images. Interlaced PNG images require more complex
-		// handling, so unless having support for such images is needed, there
-		// is no reason to add support for them.
-		error("TODO: Support for interlaced PNG images");
-		break;
-	}
 
-	delete[] scanLine;
+		// Initialize row pointers
+		for (int i = 0; i < height; i++)
+			rowPtr[i] = (png_bytep)_outputSurface->getBasePtr(0, i);
 
-	constructOutput(unfilteredSurface);
-	delete[] unfilteredSurface;
-}
+		// Read image data
+		png_read_image(pngPtr, rowPtr);
 
-Graphics::PixelFormat PNGDecoder::findPixelFormat() const {
-	// Try to find the best pixel format based on what we have here
-	// Which is basically 8bpp for paletted non-transparent
-	// and 32bpp for everything else
-
-	switch (_header.colorType) {
-	case kIndexed:
-		if (!_transparentColorSpecified)
-			return Graphics::PixelFormat::createFormatCLUT8();
-		// fall through
-	case kGrayScale:
-	case kTrueColor:
-	case kGrayScaleWithAlpha:
-	case kTrueColorWithAlpha:
-		// We'll go with standard RGBA 32-bit
-		return Graphics::PixelFormat(4, 8, 8, 8, 8, 24, 16, 8, 0);
+		// Free row pointer buffer
+		delete[] rowPtr;
 	}
 
-	error("Unknown PNG color type");
-	return Graphics::PixelFormat();
-}
+	// Read additional data at the end.
+	png_read_end(pngPtr, NULL);
 
-void PNGDecoder::constructOutput(const byte *surface) {
-	_outputSurface = new Graphics::Surface();
-	_outputSurface->create(_header.width, _header.height, findPixelFormat());
-
-	const byte *src = surface;
-	byte a = 0xFF;
-	int bytesPerPixel = getBytesPerPixel();
-
-	if (_header.colorType != kIndexed) {
-		if (_header.colorType == kTrueColor || 
-			_header.colorType == kTrueColorWithAlpha) {
-			if (bytesPerPixel != 3 && bytesPerPixel != 4)
-				error("Unsupported truecolor PNG format");
-		} else if (_header.colorType == kGrayScale ||
-				   _header.colorType == kGrayScaleWithAlpha) {
-			if (bytesPerPixel != 1 && bytesPerPixel != 2)
-				error("Unsupported grayscale PNG format");
-		}
-
-		for (uint16 i = 0; i < _outputSurface->h; i++) {
-			for (uint16 j = 0; j < _outputSurface->w; j++) {
-				uint32 result = 0;
-
-				switch (bytesPerPixel) {
-				case 1:	// Grayscale
-					if (_transparentColorSpecified)
-						a = (src[0] == _transparentColor[0]) ? 0 : 0xFF;
-					result = _outputSurface->format.ARGBToColor(a, src[0], src[0], src[0]);
-					break;
-				case 2: // Grayscale + alpha
-					result = _outputSurface->format.ARGBToColor(src[1], src[0], src[0], src[0]);
-					break;
-				case 3: // RGB
-					if (_transparentColorSpecified) {
-						bool isTransparentColor = (src[0] == _transparentColor[0] &&
-												   src[1] == _transparentColor[1] &&
-												   src[2] == _transparentColor[2]);
-						a = isTransparentColor ? 0 : 0xFF;
-					}
-
-					result = _outputSurface->format.ARGBToColor(a, src[0], src[1], src[2]);
-					break;
-				case 4: // RGBA
-					result = _outputSurface->format.ARGBToColor(src[3], src[0], src[1], src[2]);
-					break;
-				}
-
-				*((uint32 *)_outputSurface->getBasePtr(j, i)) = result;
-				src += bytesPerPixel;
-			}
-		}
-	} else {
-		uint32 mask = (0xff >> (8 - _header.bitDepth)) << (8 - _header.bitDepth);
-
-		// Convert the indexed surface to the target pixel format
-		for (uint16 i = 0; i < _outputSurface->h; i++) {
-			int data = 0;
-			int bitCount = 8;
-			const byte *src1 = src;
-
-			for (uint16 j = 0; j < _outputSurface->w; j++) {
-				if (bitCount == 8) {
-					data = *src;
-					src++;
-				}
-
-				byte index = (data & mask) >> (8 - _header.bitDepth);
-				data = (data << _header.bitDepth) & 0xff;
-				bitCount -= _header.bitDepth;
-
-				if (bitCount == 0)
-					bitCount = 8;
-
-				if (_transparentColorSpecified) {
-					byte r = _palette[index * 3 + 0];
-					byte g = _palette[index * 3 + 1];
-					byte b = _palette[index * 3 + 2];
-					a = _paletteTransparency[index];
-					*((uint32 *)_outputSurface->getBasePtr(j, i)) = _outputSurface->format.ARGBToColor(a, r, g, b);
-				} else {
-					*((byte *)_outputSurface->getBasePtr(j, i)) = index;
-				}
-			}
-
-			src = src1 + _outputSurface->w;
-		}
-	}
-}
+	// Destroy libpng structures
+	png_destroy_read_struct(&pngPtr, &infoPtr, NULL);
 
-void PNGDecoder::readHeaderChunk() {
-	_header.width = _stream->readUint32BE();
-	_header.height = _stream->readUint32BE();
-	_header.bitDepth = _stream->readByte();
-	if (_header.bitDepth > 8)
-		error("Only PNGs with a bit depth of 1-8 bits are supported (i.e. PNG24)");
-	_header.colorType = (PNGColorType)_stream->readByte();
-	_header.compressionMethod = _stream->readByte();
-	// Compression methods: http://www.w3.org/TR/PNG/#10Compression
-	// Only compression method 0 (deflate) is documented and supported
-	if (_header.compressionMethod != 0)
-		error("Unknown PNG compression method: %d", _header.compressionMethod);
-	_header.filterMethod = _stream->readByte();
-	// Filter methods: http://www.w3.org/TR/PNG/#9Filters
-	// Only filter method 0 is documented and supported
-	if (_header.filterMethod != 0)
-		error("Unknown PNG filter method: %d", _header.filterMethod);
-	_header.interlaceType = (PNGInterlaceType)_stream->readByte();
-}
-
-byte PNGDecoder::getNumColorChannels() const {
-	switch (_header.colorType) {
-	case kGrayScale:
-		return 1; // Gray
-	case kTrueColor:
-		return 3; // RGB
-	case kIndexed:
-		return 1; // Indexed
-	case kGrayScaleWithAlpha:
-		return 2; // Gray + Alpha
-	case kTrueColorWithAlpha:
-		return 4; // RGBA
-	default:
-		error("Unknown color type");
-	}
-}
+	// We no longer need the file stream, thus close it here
+	_stream = 0;
 
-void PNGDecoder::readTransparencyChunk(uint32 chunkLength) {
-	_transparentColorSpecified = true;
-
-	switch(_header.colorType) {
-	case kGrayScale:
-		_transparentColor[0] = _stream->readUint16BE();
-		_transparentColor[1] = _transparentColor[0];
-		_transparentColor[2] = _transparentColor[0];
-		break;
-	case kTrueColor:
-		_transparentColor[0] = _stream->readUint16BE();
-		_transparentColor[1] = _stream->readUint16BE();
-		_transparentColor[2] = _stream->readUint16BE();
-		break;
-	case kIndexed:
-		_stream->read(_paletteTransparency, chunkLength);
-
-		// A transparency chunk may have less entries
-		// than the palette entries. The remaining ones
-		// are unmodified (set to 255). Check here:
-		// http://www.w3.org/TR/PNG/#11tRNS
-		break;
-	default:
-		error("Transparency chunk found in a PNG that has a separate transparency channel");
-	}
+	return true;
+#else
+	return false;
+#endif
 }
 
 } // End of Graphics namespace
diff --git a/graphics/decoders/png.h b/graphics/decoders/png.h
index 1da0bea1ab..e52ddabd7d 100644
--- a/graphics/decoders/png.h
+++ b/graphics/decoders/png.h
@@ -24,33 +24,12 @@
  * PNG decoder used in engines:
  *  - sword25
  * Dependencies:
- *  - zlib
+ *  - libpng
  */
 
 #ifndef GRAPHICS_PNG_H
 #define GRAPHICS_PNG_H
 
-// PNG decoder, based on the W3C specs:
-// http://www.w3.org/TR/PNG/
-// Parts of the code have been adapted from LodePNG, by Lode Vandevenne:
-// http://members.gamedev.net/lode/projects/LodePNG/
-
-// All the numbers are BE: http://www.w3.org/TR/PNG/#7Integers-and-byte-order
-
-// Note: At the moment, this decoder only supports non-interlaced images, and
-// does not support truecolor/grayscale images with 16bit depth.
-//
-// Theoretically, interlaced images shouldn't be needed for games, as
-// interlacing is only useful for images in websites.
-//
-// PNG images with 16bit depth (i.e. 48bit images) are quite rare, and can
-// theoretically contain more than 16.7 millions of colors (the so-called "deep
-// color" representation). In essence, each of the R, G, B and A components in
-// them is specified with 2 bytes, instead of 1. However, the PNG specification
-// always refers to color components with 1 byte each, so this part of the spec
-// is a bit unclear. For now, these won't be supported, until a suitable sample
-// is found.
-
 #include "common/scummsys.h"
 #include "common/textconsole.h"
 #include "graphics/decoders/image_decoder.h"
@@ -73,61 +52,13 @@ public:
 	void destroy();
 	const Graphics::Surface *getSurface() const { return _outputSurface; }
 	const byte *getPalette() const { return _palette; }
-
+	uint16 getPaletteColorCount() const { return _paletteColorCount; }
 private:
-	enum PNGColorType {
-		kGrayScale          = 0,	// bit depths: 1, 2, 4, 8, 16
-		kTrueColor          = 2,	// bit depths: 8, 16
-		kIndexed            = 3,	// bit depths: 1, 2, 4, 8
-		kGrayScaleWithAlpha = 4,	// bit depths: 8, 16
-		kTrueColorWithAlpha = 6		// bit depths: 8, 16
-	};
-
-	enum PNGInterlaceType {
-		kNonInterlaced      = 0,
-		kInterlaced         = 1
-	};
-
-	struct PNGHeader {
-		uint32 width;
-		uint32 height;
-		byte bitDepth;
-		PNGColorType colorType;
-		byte compressionMethod;
-		byte filterMethod;
-		PNGInterlaceType interlaceType;
-	};
-
-	void readHeaderChunk();
-	byte getNumColorChannels() const;
-
-	void readPaletteChunk();
-	void readTransparencyChunk(uint32 chunkLength);
-
-	void constructImage();
-	void unfilterScanLine(byte *dest, const byte *scanLine, const byte *prevLine, uint16 byteWidth, byte filterType, uint16 length);
-	byte paethPredictor(int16 a, int16 b, int16 c);
-
-	// The original file stream
 	Common::SeekableReadStream *_stream;
-	// The unzipped image data stream
-	Common::SeekableReadStream *_imageData;
-
-	PNGHeader _header;
-
-	byte _palette[256 * 3];	// RGB
-	byte _paletteTransparency[256];
-	uint16 _paletteEntries;
-	uint16 _transparentColor[3];
-	bool _transparentColorSpecified;
-
-	byte *_compressedBuffer;
-	uint32 _compressedBufferSize;
+	byte *_palette;
+	uint16 _paletteColorCount;
 
 	Graphics::Surface *_outputSurface;
-	Graphics::PixelFormat findPixelFormat() const;
-	int getBytesPerPixel() const;
-	void constructOutput(const byte *surface);
 };
 
 } // End of namespace Graphics
diff --git a/graphics/decoders/tga.cpp b/graphics/decoders/tga.cpp
new file mode 100644
index 0000000000..c3b9d84055
--- /dev/null
+++ b/graphics/decoders/tga.cpp
@@ -0,0 +1,427 @@
+/* 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.
+ */
+
+/* Based on code from xoreos https://github.com/DrMcCoy/xoreos/
+ * relicensed under GPLv2+ with permission from DrMcCoy and clone2727
+ */
+
+#include "common/util.h"
+#include "common/stream.h"
+#include "common/textconsole.h"
+#include "common/error.h"
+
+#include "graphics/decoders/tga.h"
+
+namespace Graphics {
+
+TGADecoder::TGADecoder() {
+	_colorMapSize = 0;
+	_colorMapOrigin = 0;
+	_colorMapLength = 0;
+	_colorMapEntryLength = 0;
+	_colorMap = NULL;
+}
+
+TGADecoder::~TGADecoder() {
+	destroy();
+}
+
+void TGADecoder::destroy() {
+	_surface.free();
+	delete[] _colorMap;
+}
+
+bool TGADecoder::loadStream(Common::SeekableReadStream &tga) {
+	byte imageType, pixelDepth;
+	bool success;
+	success = readHeader(tga, imageType, pixelDepth);
+	if (success) {
+		switch (imageType) {
+		case TYPE_BW:
+		case TYPE_TRUECOLOR:
+			success = readData(tga, imageType, pixelDepth);
+			break;
+		case TYPE_RLE_BW:
+		case TYPE_RLE_TRUECOLOR:
+		case TYPE_RLE_CMAP:
+			success = readDataRLE(tga, imageType, pixelDepth);
+			break;
+		case TYPE_CMAP:
+			success = readDataColorMapped(tga, imageType, pixelDepth);
+			break;
+		default:
+			success = false;
+			break;
+		}
+	}
+	if (tga.err() || !success) {
+		warning("Failed reading TGA-file");
+		return false;
+	}
+	return success;
+}
+
+bool TGADecoder::readHeader(Common::SeekableReadStream &tga, byte &imageType, byte &pixelDepth) {
+	if (!tga.seek(0)) {
+		warning("Failed reading TGA-file");
+		return false;
+	}
+
+	// TGAs have an optional "id" string in the header
+	uint32 idLength = tga.readByte();
+
+	// Number of colors in the color map / palette
+	int hasColorMap = tga.readByte();
+
+	// Image type. See header for numeric constants
+	imageType = tga.readByte();
+
+	switch (imageType) {
+	case TYPE_CMAP:
+	case TYPE_TRUECOLOR:
+	case TYPE_BW:
+	case TYPE_RLE_CMAP:
+	case TYPE_RLE_TRUECOLOR:
+	case TYPE_RLE_BW:
+		break;
+	default:
+		warning("Unsupported image type: %d", imageType);
+		return false;
+	}
+
+	// Color map specifications
+	if (hasColorMap == 0) {
+		tga.skip(5);
+	} else {
+		_colorMapOrigin = tga.readUint16LE();
+		_colorMapLength = tga.readUint16LE();
+		_colorMapEntryLength = tga.readByte();
+	}
+	// Origin-defintions
+	tga.skip(2 + 2);
+
+	// Image dimensions
+	_surface.w = tga.readUint16LE();
+	_surface.h = tga.readUint16LE();
+
+	// Bits per pixel
+	pixelDepth = tga.readByte();
+	_surface.format.bytesPerPixel = pixelDepth / 8;
+
+	// Image descriptor
+	byte imgDesc = tga.readByte();
+	int attributeBits = imgDesc & 0x0F;
+	assert((imgDesc & 0x10) == 0);
+	_originTop = (imgDesc & 0x20);
+
+	// Interleaving is not handled at this point
+	//int interleave = (imgDesc & 0xC);
+	if (imageType == TYPE_CMAP || imageType == TYPE_RLE_CMAP) {
+		if (pixelDepth == 8) {
+			_format = PixelFormat::createFormatCLUT8();
+		} else {
+			warning("Unsupported index-depth: %d", pixelDepth);
+			return false;
+		}
+	} else if (imageType == TYPE_TRUECOLOR || imageType == TYPE_RLE_TRUECOLOR) {
+		if (pixelDepth == 24) {
+			_format = PixelFormat(3, 8, 8, 8, 0, 16, 8, 0, 0);
+		} else if (pixelDepth == 32) {
+			// HACK: According to the spec, attributeBits should determine the amount
+			// of alpha-bits, however, as the game files that use this decoder seems
+			// to ignore that fact, we force the amount to 8 for 32bpp files for now.
+			_format = PixelFormat(4, 8, 8, 8, /* attributeBits */ 8, 16, 8, 0, 24);
+		} else if (pixelDepth == 16 && imageType == TYPE_TRUECOLOR) {
+			// 16bpp TGA is ARGB1555
+			_format = PixelFormat(2, 5, 5, 5, attributeBits, 10, 5, 0, 15);
+		} else {
+			warning("Unsupported pixel depth: %d, %d", imageType, pixelDepth);
+			return false;
+		}
+	} else if (imageType == TYPE_BW || TYPE_RLE_BW) {
+		if (pixelDepth == 8) {
+			_format = PixelFormat(4, 8, 8, 8, 0, 16, 8, 0, 0);
+		} else {
+			warning("Unsupported pixel depth: %d, %d", imageType, pixelDepth);
+			return false;
+		}
+
+	} else {
+		warning("Unsupported image type: %d", imageType);
+		return false;
+	}
+
+	// Skip the id string
+	tga.skip(idLength);
+
+	if (hasColorMap) {
+		return readColorMap(tga, imageType, pixelDepth);
+	}
+	return true;
+}
+
+bool TGADecoder::readColorMap(Common::SeekableReadStream &tga, byte imageType, byte pixelDepth) {
+	_colorMap = new byte[3 * _colorMapLength];
+	for (int i = 0; i < _colorMapLength * 3; i += 3) {
+		byte r, g, b;
+		if (_colorMapEntryLength == 32) {
+			byte a;
+			PixelFormat format(4, 8, 8, 8, 0, 16, 8, 0, 24);
+			uint32 color = tga.readUint32LE();
+			format.colorToARGB(color, a, r, g, b);
+		} else if (_colorMapEntryLength == 24) {
+			r = tga.readByte();
+			g = tga.readByte();
+			b = tga.readByte();
+		} else if (_colorMapEntryLength == 16) {
+			byte a;
+			PixelFormat format(2, 5, 5, 5, 0, 10, 5, 0, 15);
+			uint16 color = tga.readUint16LE();
+			format.colorToARGB(color, a, r, g, b);
+		} else {
+			warning("Unsupported image type: %d", imageType);
+			r = g = b = 0;
+		}
+#ifdef SCUMM_LITTLE_ENDIAN
+		_colorMap[i] = r;
+		_colorMap[i + 1] = g;
+		_colorMap[i + 2] = b;
+#else
+		_colorMap[i] = b;
+		_colorMap[i + 1] = g;
+		_colorMap[i + 2] = r;
+#endif
+	}
+	return true;
+}
+
+// Additional information found from http://paulbourke.net/dataformats/tga/
+// With some details from the link referenced in the header.
+bool TGADecoder::readData(Common::SeekableReadStream &tga, byte imageType, byte pixelDepth) {
+	// TrueColor
+	if (imageType == TYPE_TRUECOLOR) {
+		_surface.create(_surface.w, _surface.h, _format);
+
+		if (pixelDepth == 16) {
+			for (int i = 0; i < _surface.h; i++) {
+				uint16 *dst;
+				if (!_originTop) {
+					dst = (uint16 *)_surface.getBasePtr(0, _surface.h - i - 1);
+				} else {
+					dst = (uint16 *)_surface.getBasePtr(0, i);
+				}
+				for (int j = 0; j < _surface.w; j++) {
+					*dst++ = tga.readUint16LE();
+				}
+			}
+		} else if (pixelDepth == 32) {
+			for (int i = 0; i < _surface.h; i++) {
+				uint32 *dst;
+				if (!_originTop) {
+					dst = (uint32 *)_surface.getBasePtr(0, _surface.h - i - 1);
+				} else {
+					dst = (uint32 *)_surface.getBasePtr(0, i);
+				}
+				for (int j = 0; j < _surface.w; j++) {
+					*dst++ = tga.readUint32LE();
+				}
+			}
+		} else if (pixelDepth == 24) {
+			for (int i = 0; i < _surface.h; i++) {
+				byte *dst;
+				if (!_originTop) {
+					dst = (byte *)_surface.getBasePtr(0, _surface.h - i - 1);
+				} else {
+					dst = (byte *)_surface.getBasePtr(0, i);
+				}
+				for (int j = 0; j < _surface.w; j++) {
+					byte r = tga.readByte();
+					byte g = tga.readByte();
+					byte b = tga.readByte();
+#ifdef SCUMM_LITTLE_ENDIAN
+					*dst++ = r;
+					*dst++ = g;
+					*dst++ = b;
+#else
+					*dst++ = b;
+					*dst++ = g;
+					*dst++ = r;
+#endif
+				}
+			}
+		}
+		// Black/White
+	} else if (imageType == TYPE_BW) {
+		_surface.create(_surface.w, _surface.h, _format);
+
+		byte *data  = (byte *)_surface.pixels;
+		uint32 count = _surface.w * _surface.h;
+
+		while (count-- > 0) {
+			byte g = tga.readByte();
+			*data++ = g;
+			*data++ = g;
+			*data++ = g;
+			*data++ = g;
+		}
+	}
+	return true;
+}
+
+bool TGADecoder::readDataColorMapped(Common::SeekableReadStream &tga, byte imageType, byte indexDepth) {
+	// Color-mapped
+	if (imageType == TYPE_CMAP) {
+		_surface.create(_surface.w, _surface.h, _format);
+		if (indexDepth == 8) {
+			for (int i = 0; i < _surface.h; i++) {
+				byte *dst;
+				if (!_originTop) {
+					dst = (byte *)_surface.getBasePtr(0, _surface.h - i - 1);
+				} else {
+					dst = (byte *)_surface.getBasePtr(0, i);
+				}
+				for (int j = 0; j < _surface.w; j++) {
+					byte index = tga.readByte();
+					*dst++ = index;
+				}
+			}
+		} else if (indexDepth == 16) {
+			warning("16 bit indexes not supported");
+			return false;
+		}
+	} else {
+		return false;
+	}
+	return true;
+}
+
+bool TGADecoder::readDataRLE(Common::SeekableReadStream &tga, byte imageType, byte pixelDepth) {
+	// RLE-TrueColor / RLE-Black/White
+	if (imageType == TYPE_RLE_TRUECOLOR || imageType == TYPE_RLE_BW || imageType == TYPE_RLE_CMAP) {
+		_surface.create(_surface.w, _surface.h, _format);
+		uint32 count = _surface.w * _surface.h;
+		byte *data = (byte *)_surface.pixels;
+
+		while (count > 0) {
+			uint32 header = tga.readByte();
+			byte type = (header & 0x80) >> 7;
+			uint32 rleCount = (header & 0x7F) + 1;
+
+			// RLE-packet
+			if (type == 1) {
+				if (pixelDepth == 32 && imageType == TYPE_RLE_TRUECOLOR) {
+					uint32 color = tga.readUint32LE();
+					while (rleCount-- > 0) {
+						*((uint32 *)data) = color;
+						data += 4;
+						count--;
+					}
+				} else if (pixelDepth == 24 && imageType == TYPE_RLE_TRUECOLOR) {
+					byte r = tga.readByte();
+					byte g = tga.readByte();
+					byte b = tga.readByte();
+					while (rleCount-- > 0) {
+#ifdef SCUMM_LITTLE_ENDIAN
+						*data++ = r;
+						*data++ = g;
+						*data++ = b;
+#else
+						*data++ = b;
+						*data++ = g;
+						*data++ = r;
+#endif
+						count--;
+					}
+				} else if (pixelDepth == 8 && imageType == TYPE_RLE_BW) {
+					byte color = tga.readByte();
+					while (rleCount-- > 0) {
+						*data++ = color;
+						*data++ = color;
+						*data++ = color;
+						*data++ = color;
+						count--;
+					}
+				} else if (pixelDepth == 8 && imageType == TYPE_RLE_CMAP) {
+					byte index = tga.readByte();
+					while (rleCount-- > 0) {
+						*data++ = index;
+						count--;
+					}
+				} else {
+					warning("Unhandled pixel-depth for image-type 10");
+					return false;
+				}
+				// Raw-packet
+			} else if (type == 0) {
+				if (pixelDepth == 32 && imageType == TYPE_RLE_TRUECOLOR) {
+					while (rleCount-- > 0) {
+						uint32 color = tga.readUint32LE();
+						*((uint32 *)data) = color;
+						data += 4;
+						count--;
+					}
+				} else if (pixelDepth == 24 && imageType == TYPE_RLE_TRUECOLOR) {
+					while (rleCount-- > 0) {
+						byte r = tga.readByte();
+						byte g = tga.readByte();
+						byte b = tga.readByte();
+#ifdef SCUMM_LITTLE_ENDIAN
+						*data++ = r;
+						*data++ = g;
+						*data++ = b;
+#else
+						*data++ = b;
+						*data++ = g;
+						*data++ = r;
+#endif
+						count--;
+					}
+				} else if (pixelDepth == 8 && imageType == TYPE_RLE_BW) {
+					while (rleCount-- > 0) {
+						byte color = tga.readByte();
+						*data++ = color;
+						*data++ = color;
+						*data++ = color;
+						*data++ = color;
+						count--;
+					}
+				} else if (pixelDepth == 8 && imageType == TYPE_RLE_CMAP) {
+					while (rleCount-- > 0) {
+						byte index = tga.readByte();
+						*data++ = index;
+						count--;
+					}
+				} else {
+					warning("Unhandled pixel-depth for image-type 10");
+					return false;
+				}
+			} else {
+				warning("Unknown header for RLE-packet %d", type);
+				return false;
+			}
+		}
+	} else {
+		return false;
+	}
+	return true;
+}
+
+} // End of namespace Graphics
diff --git a/graphics/decoders/tga.h b/graphics/decoders/tga.h
new file mode 100644
index 0000000000..dfdc5a4da9
--- /dev/null
+++ b/graphics/decoders/tga.h
@@ -0,0 +1,98 @@
+/* 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.
+ */
+
+/* Based on code from eos https://github.com/DrMcCoy/xoreos/
+ * relicensed under GPLv2+ with permission from DrMcCoy and clone2727
+ */
+
+/*
+ * TGA decoder used in engines:
+ *  - none
+ */
+
+#ifndef GRAPHICS_DECODERS_TGA_H
+#define GRAPHICS_DECODERS_TGA_H
+
+#include "graphics/surface.h"
+#include "graphics/decoders/image_decoder.h"
+
+namespace Common {
+class SeekableReadStream;
+}
+
+namespace Graphics {
+
+/** TarGa image-decoder
+ * The following variations of TGA are supported:
+ * - Type 1 - Color-mapped images in 16/24/32 bpp with 8 bit indexes
+ * - Type 2 - 16/24/32 bpp Top AND Bottom origined.
+ * - Type 3 - Black/White images, 8bpp.
+ * - Type 9 - RLE-encoded color-mapped images. (8 bit indexes only)
+ * - Type 10 - RLE-encoded TrueColor, 24/32bpp.
+ * - Type 11 - RLE-encoded Black/White, 8bpp.
+ *
+ * No images are returned with a palette, instead they are converted
+ * to 16 bpp for Type 1, or 32 bpp for Black/White-images.
+ */
+class TGADecoder : public ImageDecoder {
+public:
+	TGADecoder();
+	virtual ~TGADecoder();
+	virtual void destroy();
+	virtual const Surface *getSurface() const { return &_surface; }
+	virtual const byte *getPalette() const { return _colorMap; }
+	virtual uint16 getPaletteColorCount() const { return _colorMapLength; }
+	virtual bool loadStream(Common::SeekableReadStream &stream);
+private:
+	// Format-spec from:
+	//http://www.ludorg.net/amnesia/TGA_File_Format_Spec.html
+	enum {
+	    TYPE_CMAP = 1,
+	    TYPE_TRUECOLOR = 2,
+	    TYPE_BW = 3,
+	    TYPE_RLE_CMAP = 9,
+	    TYPE_RLE_TRUECOLOR = 10,
+	    TYPE_RLE_BW = 11
+	};
+
+	// Color-map:
+	bool _colorMapSize;
+	byte *_colorMap;
+	int16 _colorMapOrigin;
+	int16 _colorMapLength;
+	byte _colorMapEntryLength;
+
+	// Origin may be at the top, or bottom
+	bool _originTop;
+
+	PixelFormat _format;
+	Surface _surface;
+	// Loading helpers
+	bool readHeader(Common::SeekableReadStream &tga, byte &imageType, byte &pixelDepth);
+	bool readData(Common::SeekableReadStream &tga, byte imageType, byte pixelDepth);
+	bool readDataColorMapped(Common::SeekableReadStream &tga, byte imageType, byte indexDepth);
+	bool readDataRLE(Common::SeekableReadStream &tga, byte imageType, byte pixelDepth);
+	bool readColorMap(Common::SeekableReadStream &tga, byte imageType, byte pixelDepth);
+};
+
+} // End of namespace Graphics
+
+#endif // GRAPHICS_DECODERS_TGA_H
diff --git a/graphics/fontman.cpp b/graphics/fontman.cpp
index 8d967d595f..99dd3d664f 100644
--- a/graphics/fontman.cpp
+++ b/graphics/fontman.cpp
@@ -47,6 +47,13 @@ FontManager::FontManager() {
 }
 
 FontManager::~FontManager() {
+	for (uint i = 0; i < _ownedFonts.size(); ++i) {
+		const Font *font = _ownedFonts[i];
+		if (font == g_sysfont || font == g_sysfont_big || font == g_consolefont)
+			continue;
+		delete font;
+	}
+
 	delete g_sysfont;
 	g_sysfont = 0;
 	delete g_sysfont_big;
@@ -90,6 +97,8 @@ bool FontManager::assignFontToName(const Common::String &name, const Font *font)
 	Common::String lowercaseName = name;
 	lowercaseName.toLowercase();
 	_fontMap[lowercaseName] = font;
+	if (Common::find(_ownedFonts.begin(), _ownedFonts.end(), font) == _ownedFonts.end())
+		_ownedFonts.push_back(font);
 	return true;
 }
 
@@ -116,8 +125,35 @@ bool FontManager::setFont(FontUsage usage, const BdfFont *font) {
 void FontManager::removeFontName(const Common::String &name) {
 	Common::String lowercaseName = name;
 	lowercaseName.toLowercase();
+	if (!_fontMap.contains(lowercaseName))
+		return;
+
+	const Font *font = _fontMap[lowercaseName];
 	_fontMap.erase(lowercaseName);
 
+	// Check if we still have a copy of this font in the map.
+	bool stillHasFont = false;
+	for (Common::HashMap<Common::String, const Font *>::iterator i = _fontMap.begin(); i != _fontMap.end(); ++i) {
+		if (i->_value != font)
+			continue;
+		stillHasFont = true;
+		break;
+	}
+
+	if (!stillHasFont) {
+		// We don't have a copy of the font, so remove it from our list and delete it.
+		stillHasFont = true;
+		for (uint i = 0; i < _ownedFonts.size(); ++i) {
+			if (_ownedFonts[i] != font)
+				continue;
+			stillHasFont = false;
+			_ownedFonts.remove_at(i);
+			break;
+		}
+		assert(!stillHasFont);
+		delete font;
+	}
+
 	// In case the current localized font is removed, we fall back to the
 	// default font again.
 	if (_localizedFontName == lowercaseName)
diff --git a/graphics/fontman.h b/graphics/fontman.h
index 42f7d856fa..b06ddea860 100644
--- a/graphics/fontman.h
+++ b/graphics/fontman.h
@@ -60,7 +60,9 @@ public:
 	const Font *getFontByName(const Common::String &name) const;
 
 	/**
-	 * Associates a font object with an 'name'
+	 * Associates a font object with an 'name'.
+	 * The FontManager takes ownership of the provided font object
+	 * and will delete it when necesssary.
 	 *
 	 * @param name	the name of the font
 	 * @param font	the font object
@@ -111,6 +113,7 @@ private:
 	~FontManager();
 
 	Common::HashMap<Common::String, const Font *> _fontMap;
+	Common::Array<const Font *> _ownedFonts;
 	Common::String _localizedFontName;
 };
 
diff --git a/graphics/fonts/bdf.h b/graphics/fonts/bdf.h
index 5b615cc043..b0166a2095 100644
--- a/graphics/fonts/bdf.h
+++ b/graphics/fonts/bdf.h
@@ -77,7 +77,7 @@ private:
 #define DEFINE_FONT(n) \
 	const BdfFont *n = 0;   \
 	void create_##n() { \
-		n = new BdfFont(desc, DisposeAfterUse::YES);  \
+		n = new BdfFont(desc, DisposeAfterUse::NO);  \
 	}
 
 #define FORWARD_DECLARE_FONT(n) \
diff --git a/graphics/fonts/consolefont.cpp b/graphics/fonts/consolefont.cpp
index 8244d75fc2..748aa08a5c 100644
--- a/graphics/fonts/consolefont.cpp
+++ b/graphics/fonts/consolefont.cpp
@@ -1,7 +1,7 @@
 // Generated by convbdf on Fri Jan  6 14:32:21 2012
 #include "graphics/fonts/bdf.h"
 
-// Font information: 
+// Font information:
 //  Name: -Misc-Fixed-Medium-R-Normal--8-80-75-75-C-50-ISO8859-1
 //  Size: 5x8
 //  Box: 5 8 0 -1
diff --git a/graphics/fonts/newfont.cpp b/graphics/fonts/newfont.cpp
index 10af1efb0c..4922e24676 100644
--- a/graphics/fonts/newfont.cpp
+++ b/graphics/fonts/newfont.cpp
@@ -1,7 +1,7 @@
 // Generated by convbdf on Fri Jan  6 14:33:07 2012
 #include "graphics/fonts/bdf.h"
 
-// Font information: 
+// Font information:
 //  Name: -Schumacher-Clean-Medium-R-Normal--12-120-75-75-C-60-ISO8859-1
 //  Size: 6x12
 //  Box: 6 12 0 -3
diff --git a/graphics/fonts/newfont_big.cpp b/graphics/fonts/newfont_big.cpp
index 0e61068ade..550d6dbfa9 100644
--- a/graphics/fonts/newfont_big.cpp
+++ b/graphics/fonts/newfont_big.cpp
@@ -1,7 +1,7 @@
 // Generated by convbdf on Fri Jan  6 14:33:14 2012
 #include "graphics/fonts/bdf.h"
 
-// Font information: 
+// Font information:
 //  Name: -Adobe-Helvetica-Bold-R-Normal--12-120-75-75-P-70-ISO8859-1
 //  Size: 13x14
 //  Box: 13 15 -1 -3
diff --git a/graphics/fonts/ttf.cpp b/graphics/fonts/ttf.cpp
index 7505f7913e..2b1dca1eae 100644
--- a/graphics/fonts/ttf.cpp
+++ b/graphics/fonts/ttf.cpp
@@ -43,10 +43,6 @@ namespace Graphics {
 
 namespace {
 
-inline int ftFloor26_6(FT_Pos x) {
-	return x / 64;
-}
-
 inline int ftCeil26_6(FT_Pos x) {
 	return (x + 63) / 64;
 }
@@ -70,6 +66,10 @@ private:
 	bool _initialized;
 };
 
+void shutdownTTF() {
+	TTFLibrary::destroy();
+}
+
 #define g_ttf ::Graphics::TTFLibrary::instance()
 
 TTFLibrary::TTFLibrary() : _library(), _initialized(false) {
@@ -101,7 +101,7 @@ public:
 	TTFFont();
 	virtual ~TTFFont();
 
-	bool load(Common::SeekableReadStream &stream, int size, bool monochrome, const uint32 *mapping);
+	bool load(Common::SeekableReadStream &stream, int size, uint dpi, bool monochrome, const uint32 *mapping);
 
 	virtual int getFontHeight() const;
 
@@ -157,7 +157,7 @@ TTFFont::~TTFFont() {
 	}
 }
 
-bool TTFFont::load(Common::SeekableReadStream &stream, int size, bool monochrome, const uint32 *mapping) {
+bool TTFFont::load(Common::SeekableReadStream &stream, int size, uint dpi, bool monochrome, const uint32 *mapping) {
 	if (!g_ttf.isInitialized())
 		return false;
 
@@ -195,7 +195,7 @@ bool TTFFont::load(Common::SeekableReadStream &stream, int size, bool monochrome
 	// Check whether we have kerning support
 	_hasKerning = (FT_HAS_KERNING(_face) != 0);
 
-	if (FT_Set_Char_Size(_face, 0, size * 64, 0, 0)) {
+	if (FT_Set_Char_Size(_face, 0, size * 64, dpi, dpi)) {
 		delete[] _ttfFile;
 		_ttfFile = 0;
 
@@ -462,10 +462,10 @@ bool TTFFont::cacheGlyph(Glyph &glyph, FT_UInt &slot, uint chr) {
 	return true;
 }
 
-Font *loadTTFFont(Common::SeekableReadStream &stream, int size, bool monochrome, const uint32 *mapping) {
+Font *loadTTFFont(Common::SeekableReadStream &stream, int size, uint dpi, bool monochrome, const uint32 *mapping) {
 	TTFFont *font = new TTFFont();
 
-	if (!font->load(stream, size, monochrome, mapping)) {
+	if (!font->load(stream, size, dpi, monochrome, mapping)) {
 		delete font;
 		return 0;
 	}
diff --git a/graphics/fonts/ttf.h b/graphics/fonts/ttf.h
index 7222d6e112..e1464b1f45 100644
--- a/graphics/fonts/ttf.h
+++ b/graphics/fonts/ttf.h
@@ -32,7 +32,9 @@
 namespace Graphics {
 
 class Font;
-Font *loadTTFFont(Common::SeekableReadStream &stream, int size, bool monochrome = false, const uint32 *mapping = 0);
+Font *loadTTFFont(Common::SeekableReadStream &stream, int size, uint dpi = 0, bool monochrome = false, const uint32 *mapping = 0);
+
+void shutdownTTF();
 
 } // End of namespace Graphics
 
diff --git a/graphics/iff.cpp b/graphics/iff.cpp
index 7434a6bebc..4011126bd3 100644
--- a/graphics/iff.cpp
+++ b/graphics/iff.cpp
@@ -68,7 +68,7 @@ void ILBMDecoder::loadBitmap(uint32 mode, byte *buffer, Common::ReadStream *stre
 		Graphics::PackBitsReadStream packStream(*stream);
 
 		// setup a buffer to hold enough data to build a line in the output
-		uint32 scanlineWidth = ((_header.width + 15)/16) << 1;
+		uint32 scanlineWidth = ((_header.width + 15) / 16) << 1;
 		byte *scanline = new byte[scanlineWidth * _header.depth];
 
 		for (uint i = 0; i < _header.height; ++i) {
@@ -82,7 +82,7 @@ void ILBMDecoder::loadBitmap(uint32 mode, byte *buffer, Common::ReadStream *stre
 			out += outPitch;
 		}
 
-		delete []scanline;
+		delete[] scanline;
 		break;
 	}
 
@@ -121,15 +121,12 @@ void ILBMDecoder::planarToChunky(byte *out, uint32 outPitch, byte *in, uint32 in
 		// then output the pixel according to the requested packing
 		if (!packPlanes) {
 			out[x] = pix;
-		} else
-		if (nPlanes == 1) {
-			out[x/8] |= (pix << (x & 7));
-		} else
-		if (nPlanes == 2) {
-			out[x/4] |= (pix << ((x & 3) << 1));
-		} else
-		if (nPlanes == 4) {
-			out[x/2] |= (pix << ((x & 1) << 2));
+		} else if (nPlanes == 1) {
+			out[x / 8] |= (pix << (x & 7));
+		} else if (nPlanes == 2) {
+			out[x / 4] |= (pix << ((x & 3) << 1));
+		} else if (nPlanes == 4) {
+			out[x / 2] |= (pix << ((x & 1) << 2));
 		}
 	}
 
@@ -187,7 +184,7 @@ struct PBMLoader {
 		_surface = &surface;
 		_colors = colors;
 		Common::IFFParser parser(&input);
-		Common::Functor1Mem< Common::IFFChunk&, bool, PBMLoader > c(this, &PBMLoader::callback);
+		Common::Functor1Mem<Common::IFFChunk &, bool, PBMLoader> c(this, &PBMLoader::callback);
 		parser.parse(c);
 	}
 
@@ -251,7 +248,7 @@ uint32 PackBitsReadStream::read(void *dataPtr, uint32 dataSize) {
 			for (uint32 j = 0; j < lenW; j++) {
 				*out++ = _input->readByte();
 			}
-			for ( ; lenR > lenW; lenR--) {
+			for (; lenR > lenW; lenR--) {
 				_input->readByte();
 			}
 		} else {  // len > 128
diff --git a/graphics/module.mk b/graphics/module.mk
index 281f904b38..f560d9dc97 100644
--- a/graphics/module.mk
+++ b/graphics/module.mk
@@ -25,8 +25,10 @@ MODULE_OBJS := \
 	yuv_to_rgb.o \
 	decoders/bmp.o \
 	decoders/jpeg.o \
+	decoders/pcx.o \
 	decoders/pict.o \
-	decoders/png.o
+	decoders/png.o \
+	decoders/tga.o
 
 ifdef USE_SCALERS
 MODULE_OBJS += \
diff --git a/graphics/pixelformat.h b/graphics/pixelformat.h
index e0cf6ce401..ca4ef11c17 100644
--- a/graphics/pixelformat.h
+++ b/graphics/pixelformat.h
@@ -97,7 +97,7 @@ struct PixelFormat {
 	}
 
 	inline void colorToARGB(uint32 color, uint8 &a, uint8 &r, uint8 &g, uint8 &b) const {
-		a = ((color >> aShift) << aLoss) & 0xFF;
+		a = (aBits() == 0) ? 0xFF : (((color >> aShift) << aLoss) & 0xFF);
 		r = ((color >> rShift) << rLoss) & 0xFF;
 		g = ((color >> gShift) << gLoss) & 0xFF;
 		b = ((color >> bShift) << bLoss) & 0xFF;
diff --git a/graphics/primitives.cpp b/graphics/primitives.cpp
index 9834af65ba..b88db39f36 100644
--- a/graphics/primitives.cpp
+++ b/graphics/primitives.cpp
@@ -61,59 +61,21 @@ void drawLine(int x0, int y0, int x1, int y1, int color, void (*plotProc)(int, i
 	}
 }
 
+void drawThickLine(int x0, int y0, int x1, int y1, int penX, int penY, int color, void (*plotProc)(int, int, int, void *), void *data) {
+	assert(penX > 0 && penY > 0);
 
-// FIXME: This is a limited version of thick line drawing
-// it draws striped lines at some angles. Better algorithm could
-// be found here:
-//
-//   http://homepages.enterprise.net/murphy/thickline/index.html
-//
-// Feel free to replace it with better implementation
-void drawThickLine(int x0, int y0, int x1, int y1, int thickness, int color, void (*plotProc)(int, int, int, void *), void *data) {
-	const bool steep = ABS(y1 - y0) > ABS(x1 - x0);
-
-	if (steep) {
-		SWAP(x0, y0);
-		SWAP(x1, y1);
-	}
-
-	float dx = x1 - x0;
-	float dy = y1 - y0;
-	float d = (float)sqrt(dx * dx + dy * dy);
-
-	if (!d)
+	// Shortcut
+	if (penX == 1 && penY == 1) {
+		drawLine(x0, y0, x1, y1, color, plotProc, data);
 		return;
-
-	int thickX = (int)((float)thickness * dy / d / 2);
-	int thickY = (int)((float)thickness * dx / d / 2);
-
-	const int delta_x = ABS(x1 - x0);
-	const int delta_y = ABS(y1 - y0);
-	const int delta_err = delta_y;
-	int x = x0;
-	int y = y0;
-	int err = 0;
-
-	const int x_step = (x0 < x1) ? 1 : -1;
-	const int y_step = (y0 < y1) ? 1 : -1;
-
-	if (steep)
-		drawLine(y - thickY, x + thickX, y + thickY, x - thickX, color, plotProc, data);
-	else
-		drawLine(x - thickX, y + thickY, x + thickX, y - thickY, color, plotProc, data);
-
-	while (x != x1) {
-		x += x_step;
-		err += delta_err;
-		if (2 * err > delta_x) {
-			y += y_step;
-			err -= delta_x;
-		}
-		if (steep)
-			drawLine(y - thickY, x + thickX, y + thickY, x - thickX, color, plotProc, data);
-		else
-			drawLine(x - thickX, y + thickY, x + thickX, y - thickY, color, plotProc, data);
 	}
+
+	// TODO: Optimize this. It currently is a very naive way of handling
+	// thick lines since quite often it will be drawing to the same pixel
+	// multiple times.
+	for (int x = 0; x < penX; x++)
+		for (int y = 0; y < penY; y++)
+			drawLine(x0 + x, y0 + y, x1 + x, y1 + y, color, plotProc, data);
 }
 
 }	// End of namespace Graphics
diff --git a/graphics/primitives.h b/graphics/primitives.h
index 0ab2dabcd8..f0780afc2e 100644
--- a/graphics/primitives.h
+++ b/graphics/primitives.h
@@ -25,7 +25,7 @@
 namespace Graphics {
 
 void drawLine(int x0, int y0, int x1, int y1, int color, void (*plotProc)(int, int, int, void *), void *data);
-void drawThickLine(int x0, int y0, int x1, int y1, int thickness, int color, void (*plotProc)(int, int, int, void *), void *data);
+void drawThickLine(int x0, int y0, int x1, int y1, int penX, int penY, int color, void (*plotProc)(int, int, int, void *), void *data);
 
 }	// End of namespace Graphics
 
diff --git a/graphics/scaler.cpp b/graphics/scaler.cpp
index 9ade0e6c57..b81e8937a8 100644
--- a/graphics/scaler.cpp
+++ b/graphics/scaler.cpp
@@ -167,12 +167,12 @@ void DestroyScalers(){
 void Normal1x(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch,
 							int width, int height) {
 	// Spot the case when it can all be done in 1 hit
-	if ((srcPitch == sizeof(OverlayColor) * (uint)width) && (dstPitch == sizeof(OverlayColor) * (uint)width)) {
-		memcpy(dstPtr, srcPtr, sizeof(OverlayColor) * width * height);
+	if ((srcPitch == sizeof(uint16) * (uint)width) && (dstPitch == sizeof(uint16) * (uint)width)) {
+		memcpy(dstPtr, srcPtr, sizeof(uint16) * width * height);
 		return;
 	}
 	while (height--) {
-		memcpy(dstPtr, srcPtr, sizeof(OverlayColor) * width);
+		memcpy(dstPtr, srcPtr, sizeof(uint16) * width);
 		srcPtr += srcPitch;
 		dstPtr += dstPitch;
 	}
@@ -207,11 +207,10 @@ void Normal2x(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPit
 	uint8 *r;
 
 	assert(IS_ALIGNED(dstPtr, 4));
-	assert(sizeof(OverlayColor) == 2);
 	while (height--) {
 		r = dstPtr;
 		for (int i = 0; i < width; ++i, r += 4) {
-			uint32 color = *(((const OverlayColor *)srcPtr) + i);
+			uint32 color = *(((const uint16 *)srcPtr) + i);
 
 			color |= color << 16;
 
diff --git a/graphics/scaler/aspect.cpp b/graphics/scaler/aspect.cpp
index 7ad37b1ba8..327e7c5e89 100644
--- a/graphics/scaler/aspect.cpp
+++ b/graphics/scaler/aspect.cpp
@@ -23,6 +23,13 @@
 #include "graphics/scaler/intern.h"
 #include "graphics/scaler/aspect.h"
 
+#ifdef OPENPANDORA
+#define NEON_ASPECT_CORRECTOR
+#endif
+
+#ifdef NEON_ASPECT_CORRECTOR
+#include <arm_neon.h>
+#endif
 
 #define	kSuperFastAndUglyAspectMode	0	// No interpolation at all, but super-fast
 #define	kVeryFastAndGoodAspectMode	1	// Good quality with very good speed
@@ -55,13 +62,66 @@ static inline void interpolate5Line(uint16 *dst, const uint16 *srcA, const uint1
 
 #if ASPECT_MODE == kVeryFastAndGoodAspectMode
 
+#ifdef NEON_ASPECT_CORRECTOR
+
+template<typename ColorMask>
+static void interpolate5LineNeon(uint16 *dst, const uint16 *srcA, const uint16 *srcB, int width, int k1, int k2) {
+	uint16x4_t kRedBlueMask_4 = vdup_n_u16(ColorMask::kRedBlueMask);
+	uint16x4_t kGreenMask_4 = vdup_n_u16(ColorMask::kGreenMask);
+	uint16x4_t k1_4 = vdup_n_u16(k1);
+	uint16x4_t k2_4 = vdup_n_u16(k2);
+	while (width >= 4) {
+		uint16x4_t srcA_4 = vld1_u16(srcA);
+		uint16x4_t srcB_4 = vld1_u16(srcB);
+		uint16x4_t p1_4 = srcB_4;
+		uint16x4_t p2_4 = srcA_4;
+
+		uint16x4_t p1_rb_4 = vand_u16(p1_4, kRedBlueMask_4);
+		uint16x4_t p1_g_4  = vand_u16(p1_4, kGreenMask_4);
+		uint16x4_t p2_rb_4 = vand_u16(p2_4, kRedBlueMask_4);
+		uint16x4_t p2_g_4  = vand_u16(p2_4, kGreenMask_4);
+
+		uint32x4_t tmp_rb_4 = vshrq_n_u32(vmlal_u16(vmull_u16(p2_rb_4, k2_4), p1_rb_4, k1_4), 3);
+		uint32x4_t tmp_g_4  = vshrq_n_u32(vmlal_u16(vmull_u16(p2_g_4, k2_4), p1_g_4, k1_4), 3);
+		uint16x4_t p_rb_4 = vmovn_u32(tmp_rb_4);
+		p_rb_4 = vand_u16(p_rb_4, kRedBlueMask_4);
+		uint16x4_t p_g_4 = vmovn_u32(tmp_g_4);
+		p_g_4 = vand_u16(p_g_4, kGreenMask_4);
+
+		uint16x4_t result_4 = p_rb_4 | p_g_4;
+		vst1_u16(dst, result_4);
+
+		dst += 4;
+		srcA += 4;
+		srcB += 4;
+		width -= 4;
+	}
+}
+#endif
+
 template<typename ColorMask, int scale>
-static inline void interpolate5Line(uint16 *dst, const uint16 *srcA, const uint16 *srcB, int width) {
+static void interpolate5Line(uint16 *dst, const uint16 *srcA, const uint16 *srcB, int width) {
 	if (scale == 1) {
+#ifdef NEON_ASPECT_CORRECTOR
+		int width4 = width & ~3;
+		interpolate5LineNeon<ColorMask>(dst, srcA, srcB, width4, 7, 1);
+		srcA += width4;
+		srcB += width4;
+		dst += width4;
+		width -= width4;
+#endif
 		while (width--) {
 			*dst++ = interpolate16_7_1<ColorMask>(*srcB++, *srcA++);
 		}
 	} else {
+#ifdef NEON_ASPECT_CORRECTOR
+		int width4 = width & ~3;
+		interpolate5LineNeon<ColorMask>(dst, srcA, srcB, width4, 5, 3);
+		srcA += width4;
+		srcB += width4;
+		dst += width4;
+		width -= width4;
+#endif
 		while (width--) {
 			*dst++ = interpolate16_5_3<ColorMask>(*srcB++, *srcA++);
 		}
@@ -160,14 +220,14 @@ int stretch200To240(uint8 *buf, uint32 pitch, int width, int height, int srcX, i
 #if ASPECT_MODE == kSuperFastAndUglyAspectMode
 		if (srcPtr == dstPtr)
 			break;
-		memcpy(dstPtr, srcPtr, sizeof(OverlayColor) * width);
+		memcpy(dstPtr, srcPtr, sizeof(uint16) * width);
 #else
 		// Bilinear filter
 		switch (y % 6) {
 		case 0:
 		case 5:
 			if (srcPtr != dstPtr)
-				memcpy(dstPtr, srcPtr, sizeof(OverlayColor) * width);
+				memcpy(dstPtr, srcPtr, sizeof(uint16) * width);
 			break;
 		case 1:
 			interpolate5Line<ColorMask, 1>((uint16 *)dstPtr, (const uint16 *)(srcPtr - pitch), (const uint16 *)srcPtr, width);
@@ -206,13 +266,13 @@ void Normal1xAspectTemplate(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr,
 #if ASPECT_MODE == kSuperFastAndUglyAspectMode
 		if ((y % 6) == 5)
 			srcPtr -= srcPitch;
-		memcpy(dstPtr, srcPtr, sizeof(OverlayColor) * width);
+		memcpy(dstPtr, srcPtr, sizeof(uint16) * width);
 #else
 		// Bilinear filter five input lines onto six output lines
 		switch (y % 6) {
 		case 0:
 			// First output line is copied from first input line
-			memcpy(dstPtr, srcPtr, sizeof(OverlayColor) * width);
+			memcpy(dstPtr, srcPtr, sizeof(uint16) * width);
 			break;
 		case 1:
 			// Second output line is mixed from first and second input line
@@ -233,7 +293,7 @@ void Normal1xAspectTemplate(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr,
 		case 5:
 			// Sixth (and last) output line is copied from fifth (and last) input line
 			srcPtr -= srcPitch;
-			memcpy(dstPtr, srcPtr, sizeof(OverlayColor) * width);
+			memcpy(dstPtr, srcPtr, sizeof(uint16) * width);
 			break;
 		}
 #endif
diff --git a/graphics/sjis.h b/graphics/sjis.h
index 2d05005fc3..928332f712 100644
--- a/graphics/sjis.h
+++ b/graphics/sjis.h
@@ -169,7 +169,7 @@ protected:
 	bool _flippedMode;
 	int _fontWidth, _fontHeight;
 	uint8 _bitPosNewLineMask;
-	
+
 	bool isASCII(uint16 ch) const;
 
 	virtual const uint8 *getCharData(uint16 c) const = 0;
diff --git a/graphics/surface.cpp b/graphics/surface.cpp
index c0f1046eae..41ae8dcebb 100644
--- a/graphics/surface.cpp
+++ b/graphics/surface.cpp
@@ -26,6 +26,7 @@
 #include "common/textconsole.h"
 #include "graphics/primitives.h"
 #include "graphics/surface.h"
+#include "graphics/conversion.h"
 
 namespace Graphics {
 
@@ -49,6 +50,17 @@ void Surface::drawLine(int x0, int y0, int x1, int y1, uint32 color) {
 		error("Surface::drawLine: bytesPerPixel must be 1, 2, or 4");
 }
 
+void Surface::drawThickLine(int x0, int y0, int x1, int y1, int penX, int penY, uint32 color) {
+	if (format.bytesPerPixel == 1)
+		Graphics::drawThickLine(x0, y0, x1, y1, penX, penY, color, plotPoint<byte>, this);
+	else if (format.bytesPerPixel == 2)
+		Graphics::drawThickLine(x0, y0, x1, y1, penX, penY, color, plotPoint<uint16>, this);
+	else if (format.bytesPerPixel == 4)
+		Graphics::drawThickLine(x0, y0, x1, y1, penX, penY, color, plotPoint<uint32>, this);
+	else
+		error("Surface::drawThickLine: bytesPerPixel must be 1, 2, or 4");
+}
+
 void Surface::create(uint16 width, uint16 height, const PixelFormat &f) {
 	free();
 
@@ -271,6 +283,72 @@ void Surface::move(int dx, int dy, int height) {
 	}
 }
 
+void Surface::convertToInPlace(const PixelFormat &dstFormat, const byte *palette) {
+	// Do not convert to the same format and ignore empty surfaces.
+	if (format == dstFormat || pixels == 0) {
+		return;
+	}
+
+	if (format.bytesPerPixel == 0 || format.bytesPerPixel > 4)
+		error("Surface::convertToInPlace(): Can only convert from 1Bpp, 2Bpp, 3Bpp, and 4Bpp");
+
+	if (dstFormat.bytesPerPixel != 2 && dstFormat.bytesPerPixel != 4)
+		error("Surface::convertToInPlace(): Can only convert to 2Bpp and 4Bpp");
+
+	// In case the surface data needs more space allocate it.
+	if (dstFormat.bytesPerPixel > format.bytesPerPixel) {
+		void *const newPixels = realloc(pixels, w * h * dstFormat.bytesPerPixel);
+		if (!newPixels) {
+			error("Surface::convertToInPlace(): Out of memory");
+		}
+		pixels = newPixels;
+	}
+
+	// We take advantage of the fact that pitch is always w * format.bytesPerPixel.
+	// This is assured by the logic of Surface::create.
+
+	// We need to handle 1 Bpp surfaces special here.
+	if (format.bytesPerPixel == 1) {
+		assert(palette);
+
+		for (int y = h; y > 0; --y) {
+			const byte *srcRow = (const byte *)pixels + y * pitch - 1;
+			byte *dstRow = (byte *)pixels + y * w * dstFormat.bytesPerPixel - dstFormat.bytesPerPixel;
+
+			for (int x = 0; x < w; x++) {
+				byte index = *srcRow--;
+				byte r = palette[index * 3];
+				byte g = palette[index * 3 + 1];
+				byte b = palette[index * 3 + 2];
+
+				uint32 color = dstFormat.RGBToColor(r, g, b);
+
+				if (dstFormat.bytesPerPixel == 2)
+					*((uint16 *)dstRow) = color;
+				else
+					*((uint32 *)dstRow) = color;
+
+				dstRow -= dstFormat.bytesPerPixel;
+			}
+		}
+	} else {
+		crossBlit((byte *)pixels, (const byte *)pixels, w * dstFormat.bytesPerPixel, pitch, w, h, dstFormat, format);
+	}
+
+	// In case the surface data got smaller, free up some memory.
+	if (dstFormat.bytesPerPixel < format.bytesPerPixel) {
+		void *const newPixels = realloc(pixels, w * h * dstFormat.bytesPerPixel);
+		if (!newPixels) {
+			error("Surface::convertToInPlace(): Freeing memory failed");
+		}
+		pixels = newPixels;
+	}
+
+	// Update the surface specific data.
+	format = dstFormat;
+	pitch = w * dstFormat.bytesPerPixel;
+}
+
 Graphics::Surface *Surface::convertTo(const PixelFormat &dstFormat, const byte *palette) const {
 	assert(pixels);
 
diff --git a/graphics/surface.h b/graphics/surface.h
index eb8d1ac42e..6c9e464657 100644
--- a/graphics/surface.h
+++ b/graphics/surface.h
@@ -137,6 +137,20 @@ struct Surface {
 	/**
 	 * Convert the data to another pixel format.
 	 *
+	 * This works in-place. This means it will not create an additional buffer
+	 * for the conversion process. The value of pixels might change though.
+	 *
+	 * Note that you should only use this, when you created the Surface data via
+	 * create! Otherwise this function has undefined behavior.
+	 *
+	 * @param dstFormat The desired format
+	 * @param palette   The palette (in RGB888), if the source format has a Bpp of 1
+	 */
+	void convertToInPlace(const PixelFormat &dstFormat, const byte *palette = 0);
+
+	/**
+	 * Convert the data to another pixel format.
+	 *
 	 * The calling code must call free on the returned surface and then delete
 	 * it.
 	 *
@@ -153,10 +167,26 @@ struct Surface {
 	 * @param x1 The x coordinate of the end point.
 	 * @param y1 The y coordinate of the end point.
 	 * @param color The color of the line.
+	 * @note This is just a wrapper around Graphics::drawLine
 	 */
 	void drawLine(int x0, int y0, int x1, int y1, uint32 color);
 
 	/**
+	 * Draw a thick line.
+	 *
+	 * @param x0 The x coordinate of the start point.
+	 * @param y0 The y coordiante of the start point.
+	 * @param x1 The x coordinate of the end point.
+	 * @param y1 The y coordinate of the end point.
+	 * @param penX The width of the pen (thickness in the x direction)
+	 * @param penY The height of the pen (thickness in the y direction)
+	 * @param color The color of the line.
+	 * @note This is just a wrapper around Graphics::drawThickLine
+	 * @note The x/y coordinates of the start and end points are the upper-left most part of the pen
+	 */
+	void drawThickLine(int x0, int y0, int x1, int y1, int penX, int penY, uint32 color);
+
+	/**
 	 * Draw a horizontal line.
 	 *
 	 * @param x The start x coordinate of the line.
diff --git a/graphics/wincursor.cpp b/graphics/wincursor.cpp
index 2db72a2874..1d599f7130 100644
--- a/graphics/wincursor.cpp
+++ b/graphics/wincursor.cpp
@@ -30,6 +30,46 @@
 
 namespace Graphics {
 
+/** A Windows cursor. */
+class WinCursor : public Cursor {
+public:
+	WinCursor();
+	~WinCursor();
+
+	/** Return the cursor's width. */
+	uint16 getWidth() const;
+	/** Return the cursor's height. */
+	uint16 getHeight() const;
+	/** Return the cursor's hotspot's x coordinate. */
+	uint16 getHotspotX() const;
+	/** Return the cursor's hotspot's y coordinate. */
+	uint16 getHotspotY() const;
+	/** Return the cursor's transparent key. */
+	byte getKeyColor() const;
+
+	const byte *getSurface() const { return _surface; }
+
+	const byte *getPalette() const { return _palette; }
+	byte getPaletteStartIndex() const { return 0; }
+	uint16 getPaletteCount() const { return 256; }
+
+	/** Read the cursor's data out of a stream. */
+	bool readFromStream(Common::SeekableReadStream &stream);
+
+private:
+	byte *_surface;
+	byte _palette[256 * 3];
+
+	uint16 _width;    ///< The cursor's width.
+	uint16 _height;   ///< The cursor's height.
+	uint16 _hotspotX; ///< The cursor's hotspot's x coordinate.
+	uint16 _hotspotY; ///< The cursor's hotspot's y coordinate.
+	byte   _keyColor; ///< The cursor's transparent key
+
+	/** Clear the cursor. */
+	void clear();
+};
+
 WinCursor::WinCursor() {
 	_width    = 0;
 	_height   = 0;
diff --git a/graphics/wincursor.h b/graphics/wincursor.h
index e6b35dc80c..9e73e3a12f 100644
--- a/graphics/wincursor.h
+++ b/graphics/wincursor.h
@@ -36,46 +36,6 @@ class SeekableReadStream;
 
 namespace Graphics {
 
-/** A Windows cursor. */
-class WinCursor : public Cursor {
-public:
-	WinCursor();
-	~WinCursor();
-
-	/** Return the cursor's width. */
-	uint16 getWidth() const;
-	/** Return the cursor's height. */
-	uint16 getHeight() const;
-	/** Return the cursor's hotspot's x coordinate. */
-	uint16 getHotspotX() const;
-	/** Return the cursor's hotspot's y coordinate. */
-	uint16 getHotspotY() const;
-	/** Return the cursor's transparent key. */
-	byte getKeyColor() const;
-
-	const byte *getSurface() const { return _surface; }
-
-	const byte *getPalette() const { return _palette; }
-	byte getPaletteStartIndex() const { return 0; }
-	uint16 getPaletteCount() const { return 256; }
-
-	/** Read the cursor's data out of a stream. */
-	bool readFromStream(Common::SeekableReadStream &stream);
-
-private:
-	byte *_surface;
-	byte _palette[256 * 3];
-
-	uint16 _width;    ///< The cursor's width.
-	uint16 _height;   ///< The cursor's height.
-	uint16 _hotspotX; ///< The cursor's hotspot's x coordinate.
-	uint16 _hotspotY; ///< The cursor's hotspot's y coordinate.
-	byte   _keyColor; ///< The cursor's transparent key
-
-	/** Clear the cursor. */
-	void clear();
-};
-
 /**
  * A structure holding an array of cursors from a single Windows Executable cursor group.
  *
@@ -91,7 +51,7 @@ struct WinCursorGroup {
 
 	struct CursorItem {
 		Common::WinResourceID id;
-		WinCursor *cursor;
+		Cursor *cursor;
 	};
 
 	Common::Array<CursorItem> cursors;
diff --git a/graphics/yuv_to_rgb.cpp b/graphics/yuv_to_rgb.cpp
index ac7f217fee..6043315a13 100644
--- a/graphics/yuv_to_rgb.cpp
+++ b/graphics/yuv_to_rgb.cpp
@@ -83,129 +83,127 @@
 // BASIS, AND BROWN UNIVERSITY HAS NO OBLIGATION TO PROVIDE MAINTENANCE,
 // SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
 
-#include "common/scummsys.h"
-#include "common/singleton.h"
-
 #include "graphics/surface.h"
+#include "graphics/yuv_to_rgb.h"
+
+namespace Common {
+DECLARE_SINGLETON(Graphics::YUVToRGBManager);
+}
 
 namespace Graphics {
 
 class YUVToRGBLookup {
 public:
-	YUVToRGBLookup(Graphics::PixelFormat format);
-	~YUVToRGBLookup();
+	YUVToRGBLookup(Graphics::PixelFormat format, YUVToRGBManager::LuminanceScale scale);
 
-	int16 *_colorTab;
-	uint32 *_rgbToPix;
-};
+	Graphics::PixelFormat getFormat() const { return _format; }
+	YUVToRGBManager::LuminanceScale getScale() const { return _scale; }
+	const uint32 *getRGBToPix() const { return _rgbToPix; }
 
-YUVToRGBLookup::YUVToRGBLookup(Graphics::PixelFormat format) {
-	_colorTab = new int16[4 * 256]; // 2048 bytes
-
-	int16 *Cr_r_tab = &_colorTab[0 * 256];
-	int16 *Cr_g_tab = &_colorTab[1 * 256];
-	int16 *Cb_g_tab = &_colorTab[2 * 256];
-	int16 *Cb_b_tab = &_colorTab[3 * 256];
+private:
+	Graphics::PixelFormat _format;
+	YUVToRGBManager::LuminanceScale _scale;
+	uint32 _rgbToPix[3 * 768]; // 9216 bytes
+};
 
-	_rgbToPix = new uint32[3 * 768]; // 9216 bytes
+YUVToRGBLookup::YUVToRGBLookup(Graphics::PixelFormat format, YUVToRGBManager::LuminanceScale scale) {
+	_format = format;
+	_scale = scale;
 
 	uint32 *r_2_pix_alloc = &_rgbToPix[0 * 768];
 	uint32 *g_2_pix_alloc = &_rgbToPix[1 * 768];
 	uint32 *b_2_pix_alloc = &_rgbToPix[2 * 768];
 
-	int16 CR, CB;
-	int i;
+	if (scale == YUVToRGBManager::kScaleFull) {
+		// Set up entries 0-255 in rgb-to-pixel value tables.
+		for (int i = 0; i < 256; i++) {
+			r_2_pix_alloc[i + 256] = format.RGBToColor(i, 0, 0);
+			g_2_pix_alloc[i + 256] = format.RGBToColor(0, i, 0);
+			b_2_pix_alloc[i + 256] = format.RGBToColor(0, 0, i);
+		}
+
+		// Spread out the values we have to the rest of the array so that we do
+		// not need to check for overflow.
+		for (int i = 0; i < 256; i++) {
+			r_2_pix_alloc[i] = r_2_pix_alloc[256];
+			r_2_pix_alloc[i + 512] = r_2_pix_alloc[511];
+			g_2_pix_alloc[i] = g_2_pix_alloc[256];
+			g_2_pix_alloc[i + 512] = g_2_pix_alloc[511];
+			b_2_pix_alloc[i] = b_2_pix_alloc[256];
+			b_2_pix_alloc[i + 512] = b_2_pix_alloc[511];
+		}
+	} else {
+		// Set up entries 16-235 in rgb-to-pixel value tables
+		for (int i = 16; i < 236; i++) {
+			int scaledValue = (i - 16) * 255 / 219;
+			r_2_pix_alloc[i + 256] = format.RGBToColor(scaledValue, 0, 0);
+			g_2_pix_alloc[i + 256] = format.RGBToColor(0, scaledValue, 0);
+			b_2_pix_alloc[i + 256] = format.RGBToColor(0, 0, scaledValue);
+		}
+
+		// Spread out the values we have to the rest of the array so that we do
+		// not need to check for overflow. We have to do it here in two steps.
+		for (int i = 0; i < 256 + 16; i++) {
+			r_2_pix_alloc[i] = r_2_pix_alloc[256 + 16];
+			g_2_pix_alloc[i] = g_2_pix_alloc[256 + 16];
+			b_2_pix_alloc[i] = b_2_pix_alloc[256 + 16];
+		}
+
+		for (int i = 256 + 236; i < 768; i++) {
+			r_2_pix_alloc[i] = r_2_pix_alloc[256 + 236 - 1];
+			g_2_pix_alloc[i] = g_2_pix_alloc[256 + 236 - 1];
+			b_2_pix_alloc[i] = b_2_pix_alloc[256 + 236 - 1];
+		}
+	}
+}
+
+YUVToRGBManager::YUVToRGBManager() {
+	_lookup = 0;
+
+	int16 *Cr_r_tab = &_colorTab[0 * 256];
+	int16 *Cr_g_tab = &_colorTab[1 * 256];
+	int16 *Cb_g_tab = &_colorTab[2 * 256];
+	int16 *Cb_b_tab = &_colorTab[3 * 256];
 
 	// Generate the tables for the display surface
 
-	for (i = 0; i < 256; i++) {
+	for (int i = 0; i < 256; i++) {
 		// Gamma correction (luminescence table) and chroma correction
 		// would be done here. See the Berkeley mpeg_play sources.
 
-		CR = CB = (i - 128);
+		int16 CR = (i - 128), CB = CR;
 		Cr_r_tab[i] = (int16) ( (0.419 / 0.299) * CR) + 0 * 768 + 256;
 		Cr_g_tab[i] = (int16) (-(0.299 / 0.419) * CR) + 1 * 768 + 256;
 		Cb_g_tab[i] = (int16) (-(0.114 / 0.331) * CB);
 		Cb_b_tab[i] = (int16) ( (0.587 / 0.331) * CB) + 2 * 768 + 256;
 	}
-
-	// Set up entries 0-255 in rgb-to-pixel value tables.
-	for (i = 0; i < 256; i++) {
-		r_2_pix_alloc[i + 256] = format.RGBToColor(i, 0, 0);
-		g_2_pix_alloc[i + 256] = format.RGBToColor(0, i, 0);
-		b_2_pix_alloc[i + 256] = format.RGBToColor(0, 0, i);
-	}
-
-	// Spread out the values we have to the rest of the array so that we do
-	// not need to check for overflow.
-	for (i = 0; i < 256; i++) {
-		r_2_pix_alloc[i] = r_2_pix_alloc[256];
-		r_2_pix_alloc[i + 512] = r_2_pix_alloc[511];
-		g_2_pix_alloc[i] = g_2_pix_alloc[256];
-		g_2_pix_alloc[i + 512] = g_2_pix_alloc[511];
-		b_2_pix_alloc[i] = b_2_pix_alloc[256];
-		b_2_pix_alloc[i + 512] = b_2_pix_alloc[511];
-	}
-}
-
-YUVToRGBLookup::~YUVToRGBLookup() {
-	delete[] _rgbToPix;
-	delete[] _colorTab;
-}
-
-class YUVToRGBManager : public Common::Singleton<YUVToRGBManager> {
-public:
-	const YUVToRGBLookup *getLookup(Graphics::PixelFormat format);
-
-private:
-	friend class Common::Singleton<SingletonBaseType>;
-	YUVToRGBManager();
-	~YUVToRGBManager();
-
-	Graphics::PixelFormat _lastFormat;
-	YUVToRGBLookup *_lookup;
-};
-
-YUVToRGBManager::YUVToRGBManager() {
-	_lookup = 0;
 }
 
 YUVToRGBManager::~YUVToRGBManager() {
 	delete _lookup;
 }
 
-const YUVToRGBLookup *YUVToRGBManager::getLookup(Graphics::PixelFormat format) {
-	if (_lastFormat == format)
+const YUVToRGBLookup *YUVToRGBManager::getLookup(Graphics::PixelFormat format, YUVToRGBManager::LuminanceScale scale) {
+	if (_lookup && _lookup->getFormat() == format && _lookup->getScale() == scale)
 		return _lookup;
 
 	delete _lookup;
-	_lookup = new YUVToRGBLookup(format);
-	_lastFormat = format;
+	_lookup = new YUVToRGBLookup(format, scale);
 	return _lookup;
 }
 
-} // End of namespace Graphics
-
-namespace Common {
-DECLARE_SINGLETON(Graphics::YUVToRGBManager);
-}
-
-#define YUVToRGBMan (Graphics::YUVToRGBManager::instance())
-
-namespace Graphics {
-
 #define PUT_PIXEL(s, d) \
 	L = &rgbToPix[(s)]; \
 	*((PixelInt *)(d)) = (L[cr_r] | L[crb_g] | L[cb_b])
 
 template<typename PixelInt>
-void convertYUV444ToRGB(byte *dstPtr, int dstPitch, const YUVToRGBLookup *lookup, const byte *ySrc, const byte *uSrc, const byte *vSrc, int yWidth, int yHeight, int yPitch, int uvPitch) {
+void convertYUV444ToRGB(byte *dstPtr, int dstPitch, const YUVToRGBLookup *lookup, int16 *colorTab, const byte *ySrc, const byte *uSrc, const byte *vSrc, int yWidth, int yHeight, int yPitch, int uvPitch) {
 	// Keep the tables in pointers here to avoid a dereference on each pixel
-	const int16 *Cr_r_tab = lookup->_colorTab;
+	const int16 *Cr_r_tab = colorTab;
 	const int16 *Cr_g_tab = Cr_r_tab + 256;
 	const int16 *Cb_g_tab = Cr_g_tab + 256;
 	const int16 *Cb_b_tab = Cb_g_tab + 256;
-	const uint32 *rgbToPix = lookup->_rgbToPix;
+	const uint32 *rgbToPix = lookup->getRGBToPix();
 
 	for (int h = 0; h < yHeight; h++) {
 		for (int w = 0; w < yWidth; w++) {
@@ -229,32 +227,32 @@ void convertYUV444ToRGB(byte *dstPtr, int dstPitch, const YUVToRGBLookup *lookup
 	}
 }
 
-void convertYUV444ToRGB(Graphics::Surface *dst, const byte *ySrc, const byte *uSrc, const byte *vSrc, int yWidth, int yHeight, int yPitch, int uvPitch) {
+void YUVToRGBManager::convert444(Graphics::Surface *dst, YUVToRGBManager::LuminanceScale scale, const byte *ySrc, const byte *uSrc, const byte *vSrc, int yWidth, int yHeight, int yPitch, int uvPitch) {
 	// Sanity checks
 	assert(dst && dst->pixels);
 	assert(dst->format.bytesPerPixel == 2 || dst->format.bytesPerPixel == 4);
 	assert(ySrc && uSrc && vSrc);
 
-	const YUVToRGBLookup *lookup = YUVToRGBMan.getLookup(dst->format);
+	const YUVToRGBLookup *lookup = getLookup(dst->format, scale);
 
 	// Use a templated function to avoid an if check on every pixel
 	if (dst->format.bytesPerPixel == 2)
-		convertYUV444ToRGB<uint16>((byte *)dst->pixels, dst->pitch, lookup, ySrc, uSrc, vSrc, yWidth, yHeight, yPitch, uvPitch);
+		convertYUV444ToRGB<uint16>((byte *)dst->pixels, dst->pitch, lookup, _colorTab, ySrc, uSrc, vSrc, yWidth, yHeight, yPitch, uvPitch);
 	else
-		convertYUV444ToRGB<uint32>((byte *)dst->pixels, dst->pitch, lookup, ySrc, uSrc, vSrc, yWidth, yHeight, yPitch, uvPitch);
+		convertYUV444ToRGB<uint32>((byte *)dst->pixels, dst->pitch, lookup, _colorTab, ySrc, uSrc, vSrc, yWidth, yHeight, yPitch, uvPitch);
 }
 
 template<typename PixelInt>
-void convertYUV420ToRGB(byte *dstPtr, int dstPitch, const YUVToRGBLookup *lookup, const byte *ySrc, const byte *uSrc, const byte *vSrc, int yWidth, int yHeight, int yPitch, int uvPitch) {
+void convertYUV420ToRGB(byte *dstPtr, int dstPitch, const YUVToRGBLookup *lookup, int16 *colorTab, const byte *ySrc, const byte *uSrc, const byte *vSrc, int yWidth, int yHeight, int yPitch, int uvPitch) {
 	int halfHeight = yHeight >> 1;
 	int halfWidth = yWidth >> 1;
 
 	// Keep the tables in pointers here to avoid a dereference on each pixel
-	const int16 *Cr_r_tab = lookup->_colorTab;
+	const int16 *Cr_r_tab = colorTab;
 	const int16 *Cr_g_tab = Cr_r_tab + 256;
 	const int16 *Cb_g_tab = Cr_g_tab + 256;
 	const int16 *Cb_b_tab = Cb_g_tab + 256;
-	const uint32 *rgbToPix = lookup->_rgbToPix;
+	const uint32 *rgbToPix = lookup->getRGBToPix();
 
 	for (int h = 0; h < halfHeight; h++) {
 		for (int w = 0; w < halfWidth; w++) {
@@ -283,7 +281,7 @@ void convertYUV420ToRGB(byte *dstPtr, int dstPitch, const YUVToRGBLookup *lookup
 	}
 }
 
-void convertYUV420ToRGB(Graphics::Surface *dst, const byte *ySrc, const byte *uSrc, const byte *vSrc, int yWidth, int yHeight, int yPitch, int uvPitch) {
+void YUVToRGBManager::convert420(Graphics::Surface *dst, YUVToRGBManager::LuminanceScale scale, const byte *ySrc, const byte *uSrc, const byte *vSrc, int yWidth, int yHeight, int yPitch, int uvPitch) {
 	// Sanity checks
 	assert(dst && dst->pixels);
 	assert(dst->format.bytesPerPixel == 2 || dst->format.bytesPerPixel == 4);
@@ -291,13 +289,98 @@ void convertYUV420ToRGB(Graphics::Surface *dst, const byte *ySrc, const byte *uS
 	assert((yWidth & 1) == 0);
 	assert((yHeight & 1) == 0);
 
-	const YUVToRGBLookup *lookup = YUVToRGBMan.getLookup(dst->format);
+	const YUVToRGBLookup *lookup = getLookup(dst->format, scale);
+
+	// Use a templated function to avoid an if check on every pixel
+	if (dst->format.bytesPerPixel == 2)
+		convertYUV420ToRGB<uint16>((byte *)dst->pixels, dst->pitch, lookup, _colorTab, ySrc, uSrc, vSrc, yWidth, yHeight, yPitch, uvPitch);
+	else
+		convertYUV420ToRGB<uint32>((byte *)dst->pixels, dst->pitch, lookup, _colorTab, ySrc, uSrc, vSrc, yWidth, yHeight, yPitch, uvPitch);
+}
+
+#define READ_QUAD(ptr, prefix) \
+	byte prefix##A = ptr[index]; \
+	byte prefix##B = ptr[index + 1]; \
+	byte prefix##C = ptr[index + uvPitch]; \
+	byte prefix##D = ptr[index + uvPitch + 1]
+
+#define DO_INTERPOLATION(out) \
+	out = (out##A * (4 - xDiff) * (4 - yDiff) + out##B * xDiff * (4 - yDiff) + \
+			out##C * yDiff * (4 - xDiff) + out##D * xDiff * yDiff) >> 4
+
+#define DO_YUV410_PIXEL() \
+	DO_INTERPOLATION(u); \
+	DO_INTERPOLATION(v); \
+	\
+	cr_r  = Cr_r_tab[v]; \
+	crb_g = Cr_g_tab[v] + Cb_g_tab[u]; \
+	cb_b  = Cb_b_tab[u]; \
+	\
+	PUT_PIXEL(*ySrc, dstPtr); \
+	dstPtr += sizeof(PixelInt); \
+	\
+	ySrc++; \
+	xDiff++
+
+template<typename PixelInt>
+void convertYUV410ToRGB(byte *dstPtr, int dstPitch, const YUVToRGBLookup *lookup, int16 *colorTab, const byte *ySrc, const byte *uSrc, const byte *vSrc, int yWidth, int yHeight, int yPitch, int uvPitch) {
+	// Keep the tables in pointers here to avoid a dereference on each pixel
+	const int16 *Cr_r_tab = colorTab;
+	const int16 *Cr_g_tab = Cr_r_tab + 256;
+	const int16 *Cb_g_tab = Cr_g_tab + 256;
+	const int16 *Cb_b_tab = Cb_g_tab + 256;
+	const uint32 *rgbToPix = lookup->getRGBToPix();
+
+	int quarterWidth = yWidth >> 2;
+
+	for (int y = 0; y < yHeight; y++) {
+		for (int x = 0; x < quarterWidth; x++) {
+			// Perform bilinear interpolation on the the chroma values
+			// Based on the algorithm found here: http://tech-algorithm.com/articles/bilinear-image-scaling/
+			// Feel free to optimize further
+			int targetY = y >> 2;
+			int xDiff = 0;
+			int yDiff = y & 3;
+			int index = targetY * uvPitch + x;
+
+			// Declare some variables for the following macros
+			byte u, v;
+			int16 cr_r, crb_g, cb_b;
+			register const uint32 *L;
+
+			READ_QUAD(uSrc, u);
+			READ_QUAD(vSrc, v);
+
+			DO_YUV410_PIXEL();
+			DO_YUV410_PIXEL();
+			DO_YUV410_PIXEL();
+			DO_YUV410_PIXEL();
+		}
+
+		dstPtr += dstPitch - yWidth * sizeof(PixelInt);
+		ySrc += yPitch - yWidth;
+	}
+}
+
+#undef READ_QUAD
+#undef DO_INTERPOLATION
+#undef DO_YUV410_PIXEL
+
+void YUVToRGBManager::convert410(Graphics::Surface *dst, YUVToRGBManager::LuminanceScale scale, const byte *ySrc, const byte *uSrc, const byte *vSrc, int yWidth, int yHeight, int yPitch, int uvPitch) {
+	// Sanity checks
+	assert(dst && dst->pixels);
+	assert(dst->format.bytesPerPixel == 2 || dst->format.bytesPerPixel == 4);
+	assert(ySrc && uSrc && vSrc);
+	assert((yWidth & 3) == 0);
+	assert((yHeight & 3) == 0);
+
+	const YUVToRGBLookup *lookup = getLookup(dst->format, scale);
 
 	// Use a templated function to avoid an if check on every pixel
 	if (dst->format.bytesPerPixel == 2)
-		convertYUV420ToRGB<uint16>((byte *)dst->pixels, dst->pitch, lookup, ySrc, uSrc, vSrc, yWidth, yHeight, yPitch, uvPitch);
+		convertYUV410ToRGB<uint16>((byte *)dst->pixels, dst->pitch, lookup, _colorTab, ySrc, uSrc, vSrc, yWidth, yHeight, yPitch, uvPitch);
 	else
-		convertYUV420ToRGB<uint32>((byte *)dst->pixels, dst->pitch, lookup, ySrc, uSrc, vSrc, yWidth, yHeight, yPitch, uvPitch);
+		convertYUV410ToRGB<uint32>((byte *)dst->pixels, dst->pitch, lookup, _colorTab, ySrc, uSrc, vSrc, yWidth, yHeight, yPitch, uvPitch);
 }
 
 } // End of namespace Graphics
diff --git a/graphics/yuv_to_rgb.h b/graphics/yuv_to_rgb.h
index 8e025042dc..f785422c5a 100644
--- a/graphics/yuv_to_rgb.h
+++ b/graphics/yuv_to_rgb.h
@@ -32,38 +32,85 @@
 #define GRAPHICS_YUV_TO_RGB_H
 
 #include "common/scummsys.h"
+#include "common/singleton.h"
 #include "graphics/surface.h"
 
 namespace Graphics {
 
-/**
- * Convert a YUV444 image to an RGB surface
- *
- * @param dst     the destination surface
- * @param ySrc    the source of the y component
- * @param uSrc    the source of the u component
- * @param vSrc    the source of the v component
- * @param yWidth  the width of the y surface
- * @param yHeight the height of the y surface
- * @param yPitch  the pitch of the y surface
- * @param uvPitch the pitch of the u and v surfaces
- */
-void convertYUV444ToRGB(Graphics::Surface *dst, const byte *ySrc, const byte *uSrc, const byte *vSrc, int yWidth, int yHeight, int yPitch, int uvPitch);
+class YUVToRGBLookup;
 
-/**
- * Convert a YUV420 image to an RGB surface
- *
- * @param dst     the destination surface
- * @param ySrc    the source of the y component
- * @param uSrc    the source of the u component
- * @param vSrc    the source of the v component
- * @param yWidth  the width of the y surface (must be divisible by 2)
- * @param yHeight the height of the y surface (must be divisible by 2)
- * @param yPitch  the pitch of the y surface
- * @param uvPitch the pitch of the u and v surfaces
- */
-void convertYUV420ToRGB(Graphics::Surface *dst, const byte *ySrc, const byte *uSrc, const byte *vSrc, int yWidth, int yHeight, int yPitch, int uvPitch);
+class YUVToRGBManager : public Common::Singleton<YUVToRGBManager> {
+public:
+	/** The scale of the luminance values */
+	enum LuminanceScale {
+		kScaleFull, /** Luminance values range from [0, 255] */
+		kScaleITU   /** Luminance values range from [16, 235], the range from ITU-R BT.601 */
+	};
+
+	/**
+	 * Convert a YUV444 image to an RGB surface
+	 *
+	 * @param dst     the destination surface
+	 * @param scale   the scale of the luminance values
+	 * @param ySrc    the source of the y component
+	 * @param uSrc    the source of the u component
+	 * @param vSrc    the source of the v component
+	 * @param yWidth  the width of the y surface
+	 * @param yHeight the height of the y surface
+	 * @param yPitch  the pitch of the y surface
+	 * @param uvPitch the pitch of the u and v surfaces
+	 */
+	void convert444(Graphics::Surface *dst, LuminanceScale scale, const byte *ySrc, const byte *uSrc, const byte *vSrc, int yWidth, int yHeight, int yPitch, int uvPitch);
+
+	/**
+	 * Convert a YUV420 image to an RGB surface
+	 *
+	 * @param dst     the destination surface
+	 * @param scale   the scale of the luminance values
+	 * @param ySrc    the source of the y component
+	 * @param uSrc    the source of the u component
+	 * @param vSrc    the source of the v component
+	 * @param yWidth  the width of the y surface (must be divisible by 2)
+	 * @param yHeight the height of the y surface (must be divisible by 2)
+	 * @param yPitch  the pitch of the y surface
+	 * @param uvPitch the pitch of the u and v surfaces
+	 */
+	void convert420(Graphics::Surface *dst, LuminanceScale scale, const byte *ySrc, const byte *uSrc, const byte *vSrc, int yWidth, int yHeight, int yPitch, int uvPitch);
+
+	/**
+	 * Convert a YUV410 image to an RGB surface
+	 *
+	 * Since the chroma has a very low resolution in 410, we perform bilinear scaling
+	 * on the two chroma planes to produce the image. The chroma planes must have
+	 * at least one extra row and one extra column that can be read from in order to
+	 * produce a proper image. It is suggested that you fill these in with the previous
+	 * row and column's data. This is required in order to speed up this function.
+	 *
+	 * @param dst     the destination surface
+	 * @param scale   the scale of the luminance values
+	 * @param ySrc    the source of the y component
+	 * @param uSrc    the source of the u component
+	 * @param vSrc    the source of the v component
+	 * @param yWidth  the width of the y surface (must be divisible by 4)
+	 * @param yHeight the height of the y surface (must be divisible by 4)
+	 * @param yPitch  the pitch of the y surface
+	 * @param uvPitch the pitch of the u and v surfaces
+	 */
+	void convert410(Graphics::Surface *dst, LuminanceScale scale, const byte *ySrc, const byte *uSrc, const byte *vSrc, int yWidth, int yHeight, int yPitch, int uvPitch);
+
+private:
+	friend class Common::Singleton<SingletonBaseType>;
+	YUVToRGBManager();
+	~YUVToRGBManager();
+
+	const YUVToRGBLookup *getLookup(Graphics::PixelFormat format, LuminanceScale scale);
+
+	YUVToRGBLookup *_lookup;
+	int16 _colorTab[4 * 256]; // 2048 bytes
+};
 
 } // End of namespace Graphics
 
+#define YUVToRGBMan (::Graphics::YUVToRGBManager::instance())
+
 #endif