From b1c6f06c80b0c9ec65586f5baefc5fbdcb0eb0c9 Mon Sep 17 00:00:00 2001
From: "blizzard%redhat.com"
 <blizzard%redhat.com@18797224-902f-48f8-a5cc-f745e15eee43>
Date: Wed, 26 May 1999 21:52:58 +0000
Subject: [PATCH] more xlib work

git-svn-id: svn://10.0.0.236/trunk@32738 18797224-902f-48f8-a5cc-f745e15eee43
---
 mozilla/gfx/src/xlib/Makefile.in              |    4 +-
 mozilla/gfx/src/xlib/nsDeviceContextXlib.cpp  |   87 +-
 mozilla/gfx/src/xlib/nsDeviceContextXlib.h    |    7 +
 mozilla/gfx/src/xlib/nsDrawingSurfaceXlib.cpp |   10 +-
 mozilla/gfx/src/xlib/nsDrawingSurfaceXlib.h   |    1 +
 mozilla/gfx/src/xlib/nsFontMetricsXlib.cpp    |   63 +-
 mozilla/gfx/src/xlib/nsFontMetricsXlib.h      |    5 +-
 mozilla/gfx/src/xlib/nsImageXlib.cpp          |   27 +-
 .../gfx/src/xlib/nsRenderingContextXlib.cpp   |   86 +-
 mozilla/gfx/src/xlib/nsRenderingContextXlib.h |    3 +-
 mozilla/gfx/src/xlib/xlibrgb.c                | 3391 +++++++++++++++++
 mozilla/gfx/src/xlib/xlibrgb.h                |  167 +
 mozilla/widget/src/xlib/nsAppShell.cpp        |   68 +-
 mozilla/widget/src/xlib/nsAppShell.h          |    1 +
 mozilla/widget/src/xlib/nsComboBox.cpp        |    5 -
 mozilla/widget/src/xlib/nsComboBox.h          |    3 -
 mozilla/widget/src/xlib/nsDialog.cpp          |   16 +-
 mozilla/widget/src/xlib/nsDialog.h            |    9 -
 mozilla/widget/src/xlib/nsLabel.cpp           |    5 +-
 mozilla/widget/src/xlib/nsLabel.h             |    1 -
 mozilla/widget/src/xlib/nsListBox.cpp         |    5 +-
 mozilla/widget/src/xlib/nsListBox.h           |    2 -
 mozilla/widget/src/xlib/nsLookAndFeel.cpp     |  102 +-
 mozilla/widget/src/xlib/nsScrollBar.cpp       |    5 +-
 mozilla/widget/src/xlib/nsScrollBar.h         |    1 -
 mozilla/widget/src/xlib/nsTabWidget.cpp       |    5 +-
 mozilla/widget/src/xlib/nsTabWidget.h         |    1 -
 mozilla/widget/src/xlib/nsTextAreaWidget.cpp  |    5 -
 mozilla/widget/src/xlib/nsTextAreaWidget.h    |    1 -
 mozilla/widget/src/xlib/nsTextWidget.cpp      |    5 -
 mozilla/widget/src/xlib/nsTextWidget.h        |    1 -
 mozilla/widget/src/xlib/nsTooltipWidget.cpp   |    5 +-
 mozilla/widget/src/xlib/nsTooltipWidget.h     |    1 -
 mozilla/widget/src/xlib/nsWidget.cpp          |   62 +-
 mozilla/widget/src/xlib/nsWidget.h            |    6 +-
 35 files changed, 4013 insertions(+), 153 deletions(-)
 create mode 100644 mozilla/gfx/src/xlib/xlibrgb.c
 create mode 100644 mozilla/gfx/src/xlib/xlibrgb.h

diff --git a/mozilla/gfx/src/xlib/Makefile.in b/mozilla/gfx/src/xlib/Makefile.in
index 26a8b1346cb..7cdf4d12651 100644
--- a/mozilla/gfx/src/xlib/Makefile.in
+++ b/mozilla/gfx/src/xlib/Makefile.in
@@ -30,7 +30,7 @@ MODULE=raptor
 
 REQUIRES=util img xpcom raptor netlib ps
 
-DEFINES += -D_IMPL_NS_GFXONXP 
+DEFINES += -D_IMPL_NS_GFXONXP -DUSE_MOZILLA_TYPES
 CXXFLAGS += $(TK_CFLAGS)
 INCLUDES += $(TK_CFLAGS)
 
@@ -45,7 +45,7 @@ CPPSRCS = nsFontMetricsXlib.cpp \
 	nsTimer.cpp \
 	nsGfxFactoryXlib.cpp
 
-CSRCS =
+CSRCS = xlibrgb.c
 
 include $(topsrcdir)/config/rules.mk
 
diff --git a/mozilla/gfx/src/xlib/nsDeviceContextXlib.cpp b/mozilla/gfx/src/xlib/nsDeviceContextXlib.cpp
index 5f5ac31ecac..36d3e897944 100644
--- a/mozilla/gfx/src/xlib/nsDeviceContextXlib.cpp
+++ b/mozilla/gfx/src/xlib/nsDeviceContextXlib.cpp
@@ -19,17 +19,73 @@
 #include "nsRenderingContextXlib.h"
 #include "nsDrawingSurfaceXlib.h"
 #include "nsDeviceContextXlib.h"
+#include "nsIPref.h"
+#include "nsIServiceManager.h"
+#include "nsGfxCIID.h"
+
+static NS_DEFINE_CID(kPrefCID, NS_PREF_CID);
+static NS_DEFINE_IID(kIPrefIID, NS_IPREF_IID);
+static NS_DEFINE_IID(kDeviceContextIID, NS_IDEVICE_CONTEXT_IID);
 
 nsDeviceContextXlib::nsDeviceContextXlib()
   : DeviceContextImpl()
 {
   printf("nsDeviceContextXlib::nsDeviceContextXlib()\n");
   NS_INIT_REFCNT();
+  mTwipsToPixels = 1.0;
+  mPixelsToTwips = 1.0;
+  mPaletteInfo.isPaletteDevice = PR_FALSE;
+  mPaletteInfo.sizePalette = 0;
+  mPaletteInfo.numReserved = 0;
+  mPaletteInfo.palette = NULL;
+  mNumCells = 0;
 }
 
+nsDeviceContextXlib::~nsDeviceContextXlib()
+{
+}
+
+NS_IMPL_QUERY_INTERFACE(nsDeviceContextXlib, kDeviceContextIID)
+NS_IMPL_ADDREF(nsDeviceContextXlib)
+NS_IMPL_RELEASE(nsDeviceContextXlib)
+
 NS_IMETHODIMP nsDeviceContextXlib::Init(nsNativeWidget aNativeWidget)
 {
   printf("nsDeviceContextXlib::Init()\n");
+
+  mWidget = aNativeWidget;
+
+  static nscoord dpi = 96;
+  static int initialized = 0;
+
+  if (!initialized) {
+    initialized = 1;
+    nsIPref* prefs = nsnull;
+    nsresult res = nsServiceManager::GetService(kPrefCID, kIPrefIID,
+                                                (nsISupports**) &prefs);
+    if (NS_SUCCEEDED(res) && prefs) {
+      PRInt32 intVal = 96;
+      res = prefs->GetIntPref("browser.screen_resolution", &intVal);
+      if (NS_SUCCEEDED(res)) {
+        if (intVal) {
+          dpi = intVal;
+        }
+        else {
+          // Compute dpi of display
+          float screenWidth = float(WidthOfScreen(gScreen));
+          float screenWidthIn = float(WidthMMOfScreen(gScreen)) / 25.4f;
+          dpi = nscoord(screenWidth / screenWidthIn);
+        }
+      }
+      nsServiceManager::ReleaseService(kPrefCID, prefs);
+    }
+  }
+
+  mTwipsToPixels = float(dpi) / float(NSIntPointsToTwips(72));
+  mPixelsToTwips = 1.0f / mTwipsToPixels;
+
+  CommonInit();
+
   return NS_OK;
 }
 
@@ -37,30 +93,53 @@ NS_IMETHODIMP nsDeviceContextXlib::CreateRenderingContext(nsIRenderingContext *&
 {
   printf("nsDeviceContextXlib::CreateRenderingContext()\n");
 
-  nsIRenderingContext *context = nsnull;
-  nsIDrawingSurface   *surface = nsnull;
+  nsIRenderingContext  *context = nsnull;
+  nsDrawingSurfaceXlib *surface = nsnull;
+  nsresult                  rv;
+  Window                    win = (Window)aContext;
   // XXX umm...this isn't done.
   context = new nsRenderingContextXlib();
 
   if (nsnull != context) {
     NS_ADDREF(context);
     surface = new nsDrawingSurfaceXlib();
+    if (nsnull != surface) {
+      GC gc = XCreateGC(gDisplay, win, 0, NULL);
+      rv = surface->Init((Drawable)win, gc);
+      if (NS_OK == rv) {
+        rv = context->Init(this, surface);
+      }
+    }
+    else {
+      rv = NS_ERROR_OUT_OF_MEMORY;
+    }
+  }
+  else {
+    rv = NS_ERROR_OUT_OF_MEMORY;
+  }
+  
+  if (NS_OK != rv) {
+    NS_IF_RELEASE(context);
   }
-
   aContext = context;
   
-  return NS_OK;
+  return rv;
 }
 
 NS_IMETHODIMP nsDeviceContextXlib::SupportsNativeWidgets(PRBool &aSupportsWidgets)
 {
   printf("nsDeviceContextXlib::SupportsNativeWidgets()\n");
+  aSupportsWidgets = PR_TRUE;
   return NS_OK;
 }
 
 NS_IMETHODIMP nsDeviceContextXlib::GetScrollBarDimensions(float &aWidth, float &aHeight) const
 {
   printf("nsDeviceContextXlib::GetScrollBarDimensions()\n");
+  // XXX Oh, yeah.  These are hard coded.
+  aWidth = 5 * mPixelsToTwips;
+  aHeight = 5 * mPixelsToTwips;
+
   return NS_OK;
 }
 
diff --git a/mozilla/gfx/src/xlib/nsDeviceContextXlib.h b/mozilla/gfx/src/xlib/nsDeviceContextXlib.h
index 188fe2a5e91..9e9cde989c7 100644
--- a/mozilla/gfx/src/xlib/nsDeviceContextXlib.h
+++ b/mozilla/gfx/src/xlib/nsDeviceContextXlib.h
@@ -25,6 +25,9 @@ class nsDeviceContextXlib : public DeviceContextImpl
 {
 public:
   nsDeviceContextXlib();
+  ~nsDeviceContextXlib();
+
+  NS_DECL_ISUPPORTS
 
   NS_IMETHOD  Init(nsNativeWidget aNativeWidget);
 
@@ -50,6 +53,10 @@ public:
   NS_IMETHOD BeginPage(void);
   NS_IMETHOD EndPage(void);
 
+private:
+  nsPaletteInfo mPaletteInfo;
+  PRBool        mWriteable;
+  PRUint32 mNumCells;
 };
 
 #endif
diff --git a/mozilla/gfx/src/xlib/nsDrawingSurfaceXlib.cpp b/mozilla/gfx/src/xlib/nsDrawingSurfaceXlib.cpp
index eb8d4fcc34f..3032fc152bc 100644
--- a/mozilla/gfx/src/xlib/nsDrawingSurfaceXlib.cpp
+++ b/mozilla/gfx/src/xlib/nsDrawingSurfaceXlib.cpp
@@ -92,6 +92,14 @@ NS_IMPL_QUERY_INTERFACE(nsDrawingSurfaceXlib, kIDrawingSurfaceIID)
 NS_IMPL_ADDREF(nsDrawingSurfaceXlib)
 NS_IMPL_RELEASE(nsDrawingSurfaceXlib)
 
+NS_IMETHODIMP
+nsDrawingSurfaceXlib::Init(Drawable aDrawable, GC aGC) {
+  printf("nsDrawingSurfaceXlib::Init()\n");
+  mGC = aGC;
+  mPixmap = aDrawable;
+  mIsOffscreen = PR_FALSE;
+  return NS_OK;
+}
 
 NS_IMETHODIMP
 nsDrawingSurfaceXlib::Lock(PRInt32 aX, PRInt32 aY,
@@ -122,7 +130,7 @@ nsDrawingSurfaceXlib::Lock(PRInt32 aX, PRInt32 aY,
   *aBits = mImage->data;
   
   *aWidthBytes = mImage->bytes_per_line;
-  *aStride = mImage->bytes_per_line;
+  *aStride = mImage->bitmap_pad;
 
   return NS_OK;
 }
diff --git a/mozilla/gfx/src/xlib/nsDrawingSurfaceXlib.h b/mozilla/gfx/src/xlib/nsDrawingSurfaceXlib.h
index ba818f3b269..a4bd067e106 100644
--- a/mozilla/gfx/src/xlib/nsDrawingSurfaceXlib.h
+++ b/mozilla/gfx/src/xlib/nsDrawingSurfaceXlib.h
@@ -40,6 +40,7 @@ public:
   NS_IMETHOD IsOffscreen(PRBool *aOffScreen);
   NS_IMETHOD IsPixelAddressable(PRBool *aAddressable);
   NS_IMETHOD GetPixelFormat(nsPixelFormat *aFormat);
+  NS_IMETHOD Init (Drawable aDrawable, GC aGC);
   GC         GetGC(void) { return mGC; }
   Drawable   GetDrawable(void) { return mPixmap; }  
 
diff --git a/mozilla/gfx/src/xlib/nsFontMetricsXlib.cpp b/mozilla/gfx/src/xlib/nsFontMetricsXlib.cpp
index 6dd7e0bddfa..09556ebc554 100644
--- a/mozilla/gfx/src/xlib/nsFontMetricsXlib.cpp
+++ b/mozilla/gfx/src/xlib/nsFontMetricsXlib.cpp
@@ -45,8 +45,8 @@ nsFontMetricsXlib::nsFontMetricsXlib()
 {
   NS_INIT_REFCNT();
   mDeviceContext = nsnull;
-  mFont = 0;
-  mFontHandle = 0;
+  mFont = nsnull;
+  mFontHandle = nsnull;
 
   mHeight = 0;
   mAscent = 0;
@@ -88,7 +88,7 @@ nsFontMetricsXlib::~nsFontMetricsXlib()
 #else
 
   if (0 != mFontHandle) {
-    XUnloadFont(gDisplay, mFontHandle);
+    XFreeFont(gDisplay, mFontHandle);
   }
 
 #endif
@@ -183,6 +183,7 @@ NS_IMETHODIMP nsFontMetricsXlib::Init(const nsFont& aFont, nsIDeviceContext* aCo
   mFont = new nsFont(aFont);
   mDeviceContext = aContext;
   mFontHandle = 0;
+  mFontStruct = nsnull;
 
   firstFace.ToCString(wildstring, namelen);
 
@@ -309,7 +310,8 @@ NS_IMETHODIMP nsFontMetricsXlib::Init(const nsFont& aFont, nsIDeviceContext* aCo
   {
     char *nametouse = PickAppropriateSize(fnames, fonts, numnames, aFont.size);
 
-    mFontHandle = XLoadFont(gDisplay, nametouse);
+    mFontStruct = XLoadQueryFont(gDisplay, nametouse);
+    mFontHandle = mFontStruct->fid;
 
 #ifdef NOISY_FONTS
     printf(" is: %s\n", nametouse);
@@ -325,7 +327,8 @@ NS_IMETHODIMP nsFontMetricsXlib::Init(const nsFont& aFont, nsIDeviceContext* aCo
     printf(" is: %s\n", "fixed (final fallback)");
 #endif
 
-    mFontHandle = XLoadFont(gDisplay, "fixed");
+    mFontStruct = XLoadQueryFont(gDisplay, "fixed");
+    mFontHandle = mFontStruct->fid;
   }
 
   RealizeFont();
@@ -401,27 +404,24 @@ nsFontMetricsXlib::PickAppropriateSize(char **names, XFontStruct *fonts,
 
 void nsFontMetricsXlib::RealizeFont()
 {
-  XFontStruct *fontInfo;
-  
-  fontInfo = XQueryFont(gDisplay, mFontHandle);
 
   float f;
   mDeviceContext->GetDevUnitsToAppUnits(f);
 
-  mAscent = nscoord(fontInfo->ascent * f);
-  mDescent = nscoord(fontInfo->descent * f);
-  mMaxAscent = nscoord(fontInfo->ascent * f) ;
-  mMaxDescent = nscoord(fontInfo->descent * f);
+  mAscent = nscoord(mFontHandle->ascent * f);
+  mDescent = nscoord(mFontHandle->descent * f);
+  mMaxAscent = nscoord(mFontHandle->ascent * f) ;
+  mMaxDescent = nscoord(mFontHandle->descent * f);
 
-  mHeight = nscoord((fontInfo->ascent + fontInfo->descent) * f);
-  mMaxAdvance = nscoord(fontInfo->max_bounds.width * f);
+  mHeight = nscoord((mFontHandle->ascent + mFontHandle->descent) * f);
+  mMaxAdvance = nscoord(mFontHandle->max_bounds.width * f);
 
   // 56% of ascent, best guess for non-true type
-  mXHeight = NSToCoordRound((float) fontInfo->ascent* f * 0.56f);
+  mXHeight = NSToCoordRound((float) mFontHandle->ascent* f * 0.56f);
 
   unsigned long pr = 0;
 
-  if (::XGetFontProperty(fontInfo, XA_X_HEIGHT, &pr))
+  if (::XGetFontProperty(mFontHandle, XA_X_HEIGHT, &pr))
   {
     mXHeight = nscoord(pr * f);
 #ifdef REALLY_NOISY_FONTS
@@ -429,7 +429,7 @@ void nsFontMetricsXlib::RealizeFont()
 #endif
   }
 
-  if (::XGetFontProperty(fontInfo, XA_UNDERLINE_POSITION, &pr))
+  if (::XGetFontProperty(mFontHandle, XA_UNDERLINE_POSITION, &pr))
   {
     /* this will only be provided from adobe .afm fonts */
     mUnderlineOffset = NSToIntRound(pr * f);
@@ -442,11 +442,11 @@ void nsFontMetricsXlib::RealizeFont()
     /* this may need to be different than one for those weird asian fonts */
     /* mHeight is already multipled by f */
     float height;
-    height = fontInfo->ascent + fontInfo->descent;
+    height = mFontHandle->ascent + mFontHandle->descent;
     mUnderlineOffset = -NSToIntRound(MAX (1, floor (0.1 * height + 0.5)) * f);
   }
 
-  if (::XGetFontProperty(fontInfo, XA_UNDERLINE_THICKNESS, &pr))
+  if (::XGetFontProperty(mFontHandle, XA_UNDERLINE_THICKNESS, &pr))
   {
     /* this will only be provided from adobe .afm fonts */
     mUnderlineSize = nscoord(MAX(f, NSToIntRound(pr * f)));
@@ -458,11 +458,11 @@ void nsFontMetricsXlib::RealizeFont()
   {
     /* mHeight is already multipled by f */
     float height;
-    height = fontInfo->ascent + fontInfo->descent;
+    height = mFontHandle->ascent + mFontHandle->descent;
     mUnderlineSize = NSToIntRound(MAX(1, floor (0.05 * height + 0.5)) * f);
   }
 
-  if (::XGetFontProperty(fontInfo, XA_SUPERSCRIPT_Y, &pr))
+  if (::XGetFontProperty(mFontHandle, XA_SUPERSCRIPT_Y, &pr))
   {
     mSuperscriptOffset = nscoord(MAX(f, NSToIntRound(pr * f)));
 #ifdef REALLY_NOISY_FONTS
@@ -474,7 +474,7 @@ void nsFontMetricsXlib::RealizeFont()
     mSuperscriptOffset = mXHeight;
   }
 
-  if (::XGetFontProperty(fontInfo, XA_SUBSCRIPT_Y, &pr))
+  if (::XGetFontProperty(mFontHandle, XA_SUBSCRIPT_Y, &pr))
   {
     mSubscriptOffset = nscoord(MAX(f, NSToIntRound(pr * f)));
 #ifdef REALLY_NOISY_FONTS
@@ -491,7 +491,6 @@ void nsFontMetricsXlib::RealizeFont()
   mStrikeoutSize = mUnderlineSize;
 
   mLeading = 0;
-  XFreeFontInfo(NULL, fontInfo, 1);
 }
 
 NS_IMETHODIMP  nsFontMetricsXlib::GetXHeight(nscoord& aResult)
@@ -1304,23 +1303,19 @@ GetUnderlineInfo(XFontStruct* aFont, unsigned long* aPositionX2,
 void
 nsFontXlib::LoadFont(nsFontCharSet* aCharSet, nsFontMetricsXlib* aMetrics)
 {
-  Font xlibFont = XLoadFont(gDisplay, mName);
+  XFontStruct *xlibFont = XLoadQueryFont(gDisplay, mName);
   if (xlibFont) {
     mFont = xlibFont;
     mMap = aCharSet->mInfo->mMap;
-    XFontStruct* xFont = XQueryFont(gDisplay, xlibFont);
-    mActualSize = xFont->max_bounds.ascent + xFont->max_bounds.descent;
+    mActualSize = xlibFont->max_bounds.ascent + xlibFont->max_bounds.descent;
     if (aCharSet->mInfo->mSpecialUnderline) {
-      XFontStruct* asciiXFont =
-        XQueryFont(gDisplay, aMetrics->mFontHandle);
+      XFontStruct* asciiXFont = aMetrics->mFontHandle;
       unsigned long positionX2;
       unsigned long thickness;
       GetUnderlineInfo(asciiXFont, &positionX2, &thickness);
       mActualSize += (positionX2 + thickness);
-      mBaselineAdjust = (-xFont->max_bounds.descent);
-      XFreeFontInfo(NULL, asciiXFont, 1);
+      mBaselineAdjust = (-xlibFont->max_bounds.descent);
     }
-    XFreeFontInfo(NULL, xFont, 1);
   }
 }
 
@@ -2167,9 +2162,13 @@ nsFontMetricsXlib::GetWidth(nsFontXlib* aFont, const PRUnichar* aString,
   PRUint32 aLength)
 {
   XChar2b buf[512];
+  int ret;
   int len = aFont->mCharSetInfo->Convert(aFont->mCharSetInfo, aString, aLength,
     (PRUint8*) buf, sizeof(buf));
-  return XTextWidth16(aFont->mFont, buf, len);
+  // XXX this is slow as dirt.
+  XFontStruct *font_struct = aFont->mFont;
+  ret = XTextWidth16(font_struct, buf, len / 2);
+  return ret;
 }
 
 void
diff --git a/mozilla/gfx/src/xlib/nsFontMetricsXlib.h b/mozilla/gfx/src/xlib/nsFontMetricsXlib.h
index bcbd689a0a7..658fb4dfd3f 100644
--- a/mozilla/gfx/src/xlib/nsFontMetricsXlib.h
+++ b/mozilla/gfx/src/xlib/nsFontMetricsXlib.h
@@ -60,7 +60,7 @@ struct nsFontXlib
 
   void LoadFont(nsFontCharSet* aCharSet, nsFontMetricsXlib* aMetrics);
 
-  Font                   mFont;
+  XFontStruct           *mFont;
   PRUint8*               mMap;
   nsFontCharSetInfo*     mCharSetInfo;
   char*                  mName;
@@ -135,7 +135,8 @@ protected:
 
   nsIDeviceContext    *mDeviceContext;
   nsFont              *mFont;
-  Font                mFontHandle;
+  XFontStruct         *mFontHandle;
+  XFontStruct         *mFontStruct;
 
   nscoord             mHeight;
   nscoord             mAscent;
diff --git a/mozilla/gfx/src/xlib/nsImageXlib.cpp b/mozilla/gfx/src/xlib/nsImageXlib.cpp
index 08d374dd441..c0a26330407 100644
--- a/mozilla/gfx/src/xlib/nsImageXlib.cpp
+++ b/mozilla/gfx/src/xlib/nsImageXlib.cpp
@@ -18,6 +18,7 @@
 
 #include "nsImageXlib.h"
 #include "nsDrawingSurfaceXlib.h"
+#include "xlibrgb.h"
 
 static NS_DEFINE_IID(kIImageIID, NS_IIMAGE_IID);
 
@@ -150,9 +151,11 @@ nsImageXlib::Draw(nsIRenderingContext &aContext,
                                  aWidth, aHeight, gDepth);
     XSetClipOrigin(gDisplay, drawing->GetGC(), 0, 0);
     XSetClipMask(gDisplay, drawing->GetGC(), None);
-#if 0
-    // XXX render the image here...
-#endif
+    xlib_draw_rgb_image (mImagePixmap,
+                         drawing->GetGC(),
+                         0, 0, aWidth, aHeight,
+                         XLIB_RGB_DITHER_MAX,
+                         mImageBits, mRowBytes);
   }
 
   if (nsnull != mAlphaPixmap) {
@@ -161,8 +164,14 @@ nsImageXlib::Draw(nsIRenderingContext &aContext,
     XSetClipMask(gDisplay, drawing->GetGC(), mAlphaPixmap);
   }
 
-  // XXX do the drawing here.
-
+  XCopyArea(gDisplay,                  // display
+            mImagePixmap,              // source
+            drawing->GetDrawable(),    // dest
+            drawing->GetGC(),          // GC
+            aX, aY,                    // xsrc, ysrc
+            aWidth, aHeight,           // width, height
+            0, 0);                     // xdest, ydest
+            
   if (mAlphaPixmap != nsnull) {
     XSetClipOrigin(gDisplay, drawing->GetGC(), 0, 0);
     XSetClipMask(gDisplay, drawing->GetGC(), None);
@@ -180,6 +189,14 @@ nsImageXlib::Draw(nsIRenderingContext &aContext,
                   PRInt32 aDWidth, PRInt32 aDHeight)
 {
   printf("nsImageXlib::Draw()\n");
+  nsDrawingSurfaceXlib *drawing = (nsDrawingSurfaceXlib *)aSurface;
+  xlib_draw_rgb_image (drawing->GetDrawable(),
+                       drawing->GetGC(),
+                       aDX, aDY, aDWidth, aDHeight,
+                       XLIB_RGB_DITHER_MAX,
+                       mImageBits + mRowBytes * aSY + 3 * aDX,
+                       mRowBytes);
+
   return NS_OK;
 }
 
diff --git a/mozilla/gfx/src/xlib/nsRenderingContextXlib.cpp b/mozilla/gfx/src/xlib/nsRenderingContextXlib.cpp
index d3d73a80b23..7c6e589ab1b 100644
--- a/mozilla/gfx/src/xlib/nsRenderingContextXlib.cpp
+++ b/mozilla/gfx/src/xlib/nsRenderingContextXlib.cpp
@@ -17,6 +17,7 @@
  */
 
 #include "nsRenderingContextXlib.h"
+#include "nsFontMetricsXlib.h"
 #include "prmem.h"
 
 static NS_DEFINE_IID(kIDOMRenderingContextIID, NS_IDOMRENDERINGCONTEXT_IID);
@@ -32,7 +33,8 @@ nsRenderingContextXlib::nsRenderingContextXlib()
   mFontMetrics = nsnull;
   mContext = nsnull;
   mScriptObject = nsnull;
-  mCurrentFont = 0;
+  mCurrentFont = nsnull;
+  mP2T = 1.0f;
 }
 
 nsRenderingContextXlib::~nsRenderingContextXlib()
@@ -94,7 +96,14 @@ nsRenderingContextXlib::Init(nsIDeviceContext* aContext, nsIWidget *aWindow)
 
   mRenderingSurface = (nsDrawingSurfaceXlib *)new nsDrawingSurfaceXlib();
 
-  return CommonInit();
+  if (mRenderingSurface) {
+    Drawable win = (Drawable)aWindow->GetNativeData(NS_NATIVE_WINDOW);
+    GC gc        = (GC)aWindow->GetNativeData(NS_NATIVE_GRAPHIC);
+    mRenderingSurface->Init(win, gc);
+    NS_ADDREF(mRenderingSurface);
+  }
+
+  return (CommonInit());
 }
 
 NS_IMETHODIMP
@@ -117,6 +126,7 @@ nsRenderingContextXlib::Init(nsIDeviceContext* aContext, nsDrawingSurface aSurfa
 nsresult nsRenderingContextXlib::CommonInit(void)
 {
   // put common stuff in here.
+  mContext->GetDevUnitsToAppUnits(mP2T);
   return NS_OK;
 }
 
@@ -268,7 +278,7 @@ nsRenderingContextXlib::GetColor(nsString& aColor)
 NS_IMETHODIMP
 nsRenderingContextXlib::SetFont(const nsFont& aFont)
 {
-  printf("nsRenderingContextXlib::SetFont()\n");
+  printf("nsRenderingContextXlib::SetFont(nsFont)\n");
   NS_IF_RELEASE(mFontMetrics);
   mContext->GetMetricsFor(aFont, mFontMetrics);
   return SetFont(mFontMetrics);
@@ -277,7 +287,7 @@ nsRenderingContextXlib::SetFont(const nsFont& aFont)
 NS_IMETHODIMP
 nsRenderingContextXlib::SetFont(nsIFontMetrics *aFontMetrics)
 {
-  printf("nsRenderingContextXlib::SetFont()\n");
+  printf("nsRenderingContextXlib::SetFont(nsIFontMetrics)\n");
   NS_IF_RELEASE(mFontMetrics);
   mFontMetrics = aFontMetrics;
   NS_IF_ADDREF(mFontMetrics);
@@ -286,8 +296,8 @@ nsRenderingContextXlib::SetFont(nsIFontMetrics *aFontMetrics)
   {
     nsFontHandle  fontHandle;
     mFontMetrics->GetFontHandle(fontHandle);
-    mCurrentFont = (Font)fontHandle;
-    XSetFont(gDisplay, mRenderingSurface->GetGC(), mCurrentFont);
+    mCurrentFont = (XFontStruct *)fontHandle;
+    XSetFont(gDisplay, mRenderingSurface->GetGC(), mCurrentFont->fid);
   }
   return NS_OK;
 }
@@ -650,7 +660,7 @@ NS_IMETHODIMP
 nsRenderingContextXlib::GetWidth(char aC, nscoord& aWidth)
 {
   printf("nsRenderingContextXlib::GetWidth()\n");
-  return NS_OK;
+  return GetWidth(&aC, 1, aWidth);
 }
 
 NS_IMETHODIMP
@@ -658,7 +668,7 @@ nsRenderingContextXlib::GetWidth(PRUnichar aC, nscoord& aWidth,
                                  PRInt32 *aFontID)
 {
   printf("nsRenderingContextXlib::GetWidth()\n");
-  return NS_OK;
+  return GetWidth(&aC, 1, aWidth, aFontID);
 }
 
 NS_IMETHODIMP
@@ -666,20 +676,28 @@ nsRenderingContextXlib::GetWidth(const nsString& aString, nscoord& aWidth,
                                  PRInt32 *aFontID)
 {
   printf("nsRenderingContextXlib::GetWidth()\n");
-  return NS_OK;
+  return GetWidth(aString.GetUnicode(), aString.Length(), aWidth, aFontID);
 }
 
 NS_IMETHODIMP
 nsRenderingContextXlib::GetWidth(const char* aString, nscoord& aWidth)
 {
   printf("nsRenderingContextXlib::GetWidth()\n");
-  return NS_OK;
+  return GetWidth(aString, strlen(aString), aWidth);
 }
 
 NS_IMETHODIMP
 nsRenderingContextXlib::GetWidth(const char* aString, PRUint32 aLength, nscoord& aWidth)
 {
   printf("nsRenderingContextXlib::GetWidth()\n");
+  if (0 == aLength) {
+    aWidth = 0;
+  }
+  else {
+    // XXX fix this...
+    int rawWidth = XTextWidth16(mCurrentFont, (XChar2b *)aString, aLength / 2);
+    aWidth = NSToCoordRound(rawWidth * mP2T);
+  }  
   return NS_OK;
 }
 
@@ -688,6 +706,54 @@ nsRenderingContextXlib::GetWidth(const PRUnichar* aString, PRUint32 aLength,
                                  nscoord& aWidth, PRInt32 *aFontID)
 {
   printf("nsRenderingContextXlib::GetWidth()\n");
+  if (0 == aLength) {
+    aWidth = 0;
+  }
+  else {
+    nsFontMetricsXlib* metrics = (nsFontMetricsXlib*) mFontMetrics;
+    nsFontXlib *prevFont = nsnull;
+    int rawWidth = 0;
+    PRUint32 start = 0;
+    PRUint32 i;
+    for (i = 0; i < aLength; i++) {
+      PRUnichar c = aString[i];
+      nsFontXlib* currFont = nsnull;
+      nsFontXlib** font = metrics->mLoadedFonts;
+      nsFontXlib** end = &metrics->mLoadedFonts[metrics->mLoadedFontsCount];
+      while (font < end) {
+        if (FONT_HAS_GLYPH((*font)->mMap, c)) {
+          currFont = *font;
+          goto FoundFont; // for speed -- avoid "if" statement
+        }
+        font++;
+      }
+      currFont = metrics->FindFont(c);
+FoundFont:
+      // XXX avoid this test by duplicating code -- erik
+      if (prevFont) {
+        if (currFont != prevFont) {
+          rawWidth += nsFontMetricsXlib::GetWidth(prevFont, &aString[start],
+                                                  i - start);
+          prevFont = currFont;
+          start = i;
+        }
+      }
+      else {
+        prevFont = currFont;
+        start = i;
+      }
+    }
+
+    if (prevFont) {
+      rawWidth += nsFontMetricsXlib::GetWidth(prevFont, &aString[start],
+                                              i - start);
+    }
+
+    aWidth = NSToCoordRound(rawWidth * mP2T);
+  }
+  if (nsnull != aFontID)
+    *aFontID = 0;
+
   return NS_OK;
 }
 
diff --git a/mozilla/gfx/src/xlib/nsRenderingContextXlib.h b/mozilla/gfx/src/xlib/nsRenderingContextXlib.h
index 9f8a5386100..e32da3aa9f7 100644
--- a/mozilla/gfx/src/xlib/nsRenderingContextXlib.h
+++ b/mozilla/gfx/src/xlib/nsRenderingContextXlib.h
@@ -165,7 +165,8 @@ private:
   nsIFontMetrics          *mFontMetrics;
   nsIDeviceContext        *mContext;
   void                    *mScriptObject;
-  Font                     mCurrentFont;
+  XFontStruct             *mCurrentFont;
+  float                    mP2T;
 };
 
 #endif
diff --git a/mozilla/gfx/src/xlib/xlibrgb.c b/mozilla/gfx/src/xlib/xlibrgb.c
new file mode 100644
index 00000000000..832fce717c7
--- /dev/null
+++ b/mozilla/gfx/src/xlib/xlibrgb.c
@@ -0,0 +1,3391 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Mozilla Public License
+ * Version 1.1 (the "MPL"); you may not use this file except in
+ * compliance with the MPL.  You may obtain a copy of the MPL at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the MPL is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the MPL
+ * for the specific language governing rights and limitations under the
+ * MPL.
+ *
+ * Alternatively, the contents of this file may be used under the
+ * terms of the GNU Library General Public License (the "LGPL"), in
+ * which case the provisions of the LGPL are applicable instead of
+ * those above.  If you wish to allow use of your version of this file
+ * only under the terms of the LGPL and not to allow others to use
+ * your version of this file under the MPL, indicate your decision by
+ * deleting the provisions above and replace them with the notice and
+ * other provisions required by the LGPL.  If you do not delete the
+ * provisions above, a recipient may use your version of this file
+ * under either the MPL or the LGPL.
+ */
+
+/*
+ * This code is derived from GdkRgb.
+ * For more information on GdkRgb, see http://www.levien.com/gdkrgb/
+ * Raph Levien <raph@acm.org>
+ */
+
+/* Ported by Christopher Blizzard to Xlib.  With permission from the
+ * original authors and the copyright holders of this file, the
+ * contents of this file are also redistributable under the terms of
+ * the Mozilla Public license.  For information about the Mozilla
+ * Public License, please see the license information at
+ * http://www.mozilla.org/MPL/ */
+
+#include <math.h>
+
+#if HAVE_CONFIG_H
+#  include <config.h>
+#  if STDC_HEADERS
+#    include <stdio.h>
+#    include <stdlib.h>
+#    include <string.h>
+#  endif
+#else
+#  include <stdio.h>
+#  include <stdlib.h>
+#endif
+
+/* Porting Note:
+ * If you are going to use this code somewhere other than mozilla
+ * you will need to set these defines.  It's pretty easy for Intel
+ * but I'm not sure about other platforms.
+ */
+#if USE_MOZILLA_TYPES
+/* prtypes contains definitions for uint32/int32 and uint16/int16 */
+#include "prtypes.h"
+#else
+typedef unsigned int uint32;
+typedef int int32;
+typedef unsigned short uint16;
+typedef short int16;
+#endif
+
+#define ENABLE_GRAYSCALE
+
+/* XXX fix this for an autodetect for endian-ness */
+#define G_LITTLE_ENDIAN 1
+#define G_BIG_ENDIAN 2
+#define G_BYTE_ORDER G_LITTLE_ENDIAN
+
+#ifndef MIN
+#define MIN(a, b)  (((a) < (b)) ? (a) : (b))
+#endif
+
+#ifndef MAX
+#define MAX(a, b)  (((a) > (b)) ? (a) : (b))
+#endif
+
+#include "xlibrgb.h"
+
+typedef enum {
+  LSB_FIRST,
+  MSB_FIRST
+} ByteOrder;
+
+
+typedef struct _XlibRgbInfo   XlibRgbInfo;
+
+typedef void (*XlibRgbConvFunc) (XImage *image,
+				 int ax, int ay,
+				 int width, int height,
+				 unsigned char *buf, int rowstride,
+				 int x_align, int y_align,
+				 XlibRgbCmap *cmap);
+
+/* Some of these fields should go, as they're not being used at all.
+   Globals should generally migrate into here - it's very likely that
+   we'll want to run more than one GdkRgbInfo context at the same time
+   (i.e. some but not all windows have privately installed
+   colormaps). */
+
+struct _XlibRgbInfo
+{
+  Display          *display;
+  Screen           *screen;
+  int               screen_num;
+  XVisualInfo      *visual;
+  Colormap          cmap;
+  XColor           *cmap_colors;
+  Visual           *default_visualid;
+  Colormap          default_colormap;
+
+  unsigned long    *color_pixels;
+  unsigned long    *gray_pixels;
+  unsigned long    *reserved_pixels;
+
+  unsigned long     red_shift;
+  unsigned long     red_prec;
+  unsigned long     blue_shift;
+  unsigned long     blue_prec;
+  unsigned long     green_shift;
+  unsigned long     green_prec;
+
+  unsigned int      nred_shades;
+  unsigned int      ngreen_shades;
+  unsigned int      nblue_shades;
+  unsigned int      ngray_shades;
+  unsigned int      nreserved;
+
+  unsigned int      bpp;
+  unsigned int      cmap_alloced;
+  double            gamma_val;
+
+  /* Generally, the stage buffer is used to convert 32bit RGB, gray,
+     and indexed images into 24 bit packed RGB. */
+  unsigned char *stage_buf;
+
+  XlibRgbCmap *gray_cmap;
+
+  Bool dith_default;
+
+  Bool bitmap; /* set true if in 1 bit per pixel mode */
+  GC own_gc;
+
+  /* Convert functions */
+  XlibRgbConvFunc conv;
+  XlibRgbConvFunc conv_d;
+
+  XlibRgbConvFunc conv_32;
+  XlibRgbConvFunc conv_32_d;
+
+  XlibRgbConvFunc conv_gray;
+  XlibRgbConvFunc conv_gray_d;
+
+  XlibRgbConvFunc conv_indexed;
+  XlibRgbConvFunc conv_indexed_d;
+};
+
+static Bool xlib_rgb_install_cmap = FALSE;
+static int xlib_rgb_min_colors = 5 * 5 * 5;
+static Bool xlib_rgb_verbose = FALSE;
+
+#define IMAGE_WIDTH 256
+#define STAGE_ROWSTRIDE (IMAGE_WIDTH * 3)
+#define IMAGE_HEIGHT 64
+#define N_IMAGES 6
+
+static XlibRgbInfo *image_info = NULL;
+static XImage *static_image[N_IMAGES];
+static int static_image_idx;
+
+static unsigned char *colorcube;
+static unsigned char *colorcube_d;
+
+static unsigned long
+xlib_get_prec_from_mask(unsigned long val)
+{
+  unsigned long retval = 0;
+  int cur_bit = 0;
+  // walk through the number, incrementing the value if
+  // the bit in question is set.
+  while (cur_bit < (sizeof(unsigned long) * 8)) {
+    if ((val >> cur_bit) & 0x1) {
+      retval++;
+    }
+    cur_bit++;
+  }
+  return retval;
+}
+
+static unsigned long
+xlib_get_shift_from_mask(unsigned long val)
+{
+  unsigned long cur_bit = 0;
+  // walk through the number, looking for the first 1
+  while (cur_bit < (sizeof(unsigned long) * 8)) {
+    if ((val >> cur_bit) & 0x1) {
+      return cur_bit;
+    }
+    cur_bit++;
+  }
+  return cur_bit;
+}
+
+
+static int
+xlib_rgb_cmap_fail (const char *msg, Colormap cmap, unsigned long *pixels)
+{
+  unsigned long free_pixels[256];
+  int n_free;
+  int i;
+
+#ifdef VERBOSE
+  printf ("%s", msg);
+#endif
+  n_free = 0;
+  for (i = 0; i < 256; i++)
+    if (pixels[i] < 256)
+      free_pixels[n_free++] = pixels[i];
+  
+  if (n_free)
+    XFreeColors(image_info->display,
+		cmap,
+		free_pixels,
+		n_free,
+		0);
+  return 0;
+}
+
+static void
+xlib_rgb_make_colorcube (unsigned long *pixels, int nr, int ng, int nb)
+{
+  unsigned char rt[16], gt[16], bt[16];
+  int i;
+
+  colorcube = malloc(sizeof(unsigned char) * 4096);
+  memset(colorcube, 0, (sizeof(unsigned char) * 4096));
+  for (i = 0; i < 16; i++)
+    {
+      rt[i] = ng * nb * ((i * 17 * (nr - 1) + 128) >> 8);
+      gt[i] = nb * ((i * 17 * (ng - 1) + 128) >> 8);
+      bt[i] = ((i * 17 * (nb - 1) + 128) >> 8);
+    }
+
+  for (i = 0; i < 4096; i++)
+    {
+      colorcube[i] = pixels[rt[i >> 8] + gt[(i >> 4) & 0x0f] + bt[i & 0x0f]];
+#ifdef VERBOSE
+      printf ("%03x %02x %x %x %x\n", i, colorcube[i], rt[i >> 8], gt[(i >> 4) & 0x0f], bt[i & 0x0f]);
+#endif
+    }
+}
+
+/* this is the colorcube suitable for dithering */
+static void
+xlib_rgb_make_colorcube_d (unsigned long *pixels, int nr, int ng, int nb)
+{
+  int r, g, b;
+  int i;
+
+  colorcube_d = malloc(sizeof(unsigned char) * 512);
+  memset(colorcube_d, 0, (sizeof(unsigned char) * 512));
+  for (i = 0; i < 512; i++)
+    {
+      r = MIN (nr - 1, i >> 6);
+      g = MIN (ng - 1, (i >> 3) & 7);
+      b = MIN (nb - 1, i & 7);
+      colorcube_d[i] = pixels[(r * ng + g) * nb + b];
+    }
+}
+
+/* Try installing a color cube of the specified size.
+   Make the colorcube and return TRUE on success */
+static int
+xlib_rgb_try_colormap (int nr, int ng, int nb)
+{
+  int r, g, b;
+  int ri, gi, bi;
+  int r0, g0, b0;
+  Colormap     cmap;
+  XVisualInfo *visual;
+  XColor      *colors;
+  XColor       color;
+  unsigned long pixels[256];
+  unsigned long junk[256];
+  int i;
+  int d2;
+  unsigned int colors_needed;
+  int idx;
+  int best[256];
+
+  if (nr * ng * nb < xlib_rgb_min_colors)
+    return FALSE;
+
+  if (image_info->cmap_alloced) {
+    cmap = image_info->cmap;
+    visual = image_info->visual;
+  }
+  else {
+    cmap = image_info->default_colormap;
+    visual = image_info->visual;
+  }
+  colors_needed = nr * ng * nb;
+  for (i = 0; i < 256; i++)
+    {
+      best[i] = 192;
+      pixels[i] = 256;
+    }
+
+#ifndef GAMMA
+  if (!xlib_rgb_install_cmap) {
+    /* go out and get the colors for this colormap. */
+    colors = malloc(sizeof(XColor) * visual->colormap_size);
+    for (i=0; i < visual->colormap_size; i++){
+      colors[i].pixel = i;
+    }
+    XQueryColors (image_info->display,
+		  cmap,
+		  colors, visual->colormap_size);
+    /* find color cube colors that are already present */
+    for (i = 0; i < MIN (256, visual->colormap_size); i++)
+      {
+	r = colors[i].red >> 8;
+	g = colors[i].green >> 8;
+	b = colors[i].blue >> 8;
+	ri = (r * (nr - 1) + 128) >> 8;
+	gi = (g * (ng - 1) + 128) >> 8;
+	bi = (b * (nb - 1) + 128) >> 8;
+	r0 = ri * 255 / (nr - 1);
+	g0 = gi * 255 / (ng - 1);
+	b0 = bi * 255 / (nb - 1);
+	idx = ((ri * nr) + gi) * nb + bi;
+	d2 = (r - r0) * (r - r0) + (g - g0) * (g - g0) + (b - b0) * (b - b0);
+	if (d2 < best[idx]) {
+	  if (pixels[idx] < 256)
+	    XFreeColors(image_info->display,
+			cmap,
+			pixels + idx,
+			1, 0);
+	  else
+	    colors_needed--;
+	  color.pixel = colors[i].pixel;
+	  color.red = colors[i].red;
+	  color.green = colors[i].green;
+	  color.blue = colors[i].blue;
+	  color.flags = 0;
+	  if (!XAllocColor(image_info->display, cmap, &color))
+	    return xlib_rgb_cmap_fail ("error allocating system color\n",
+				      cmap, pixels);
+	  pixels[idx] = color.pixel; /* which is almost certainly i */
+	  best[idx] = d2;
+	}
+      }
+  }
+
+#endif
+
+  if (colors_needed)
+    {
+      if (!XAllocColorCells(image_info->display, cmap, 0, NULL, 0, junk, colors_needed))
+	{
+	  char tmp_str[80];
+	  
+	  sprintf (tmp_str,
+		   "%d %d %d colormap failed (in XAllocColorCells)\n",
+		   nr, ng, nb);
+	  return xlib_rgb_cmap_fail (tmp_str, cmap, pixels);
+	}
+      XFreeColors(image_info->display, cmap, junk, (int)colors_needed, 0);
+    }
+
+  for (r = 0, i = 0; r < nr; r++)
+    for (g = 0; g < ng; g++)
+      for (b = 0; b < nb; b++, i++)
+	{
+	  if (pixels[i] == 256)
+	    {
+	      color.red = r * 65535 / (nr - 1);
+	      color.green = g * 65535 / (ng - 1);
+	      color.blue = b * 65535 / (nb - 1);
+
+#ifdef GAMMA
+	      color.red = 65535 * pow (color.red / 65535.0, 0.5);
+	      color.green = 65535 * pow (color.green / 65535.0, 0.5);
+	      color.blue = 65535 * pow (color.blue / 65535.0, 0.5);
+#endif
+
+	      /* This should be a raw XAllocColor call */
+	      if (!XAllocColor(image_info->display, cmap, &color))
+		{
+		  char tmp_str[80];
+
+		  sprintf (tmp_str, "%d %d %d colormap failed\n",
+			   nr, ng, nb);
+		  return xlib_rgb_cmap_fail (tmp_str,
+					    cmap, pixels);
+		}
+	      pixels[i] = color.pixel;
+	    }
+#ifdef VERBOSE
+	  printf ("%d: %lx\n", i, pixels[i]);
+#endif
+	}
+
+  image_info->nred_shades = nr;
+  image_info->ngreen_shades = ng;
+  image_info->nblue_shades = nb;
+  xlib_rgb_make_colorcube (pixels, nr, ng, nb);
+  xlib_rgb_make_colorcube_d (pixels, nr, ng, nb);
+  return TRUE;
+}
+
+/* Return TRUE on success. */
+static Bool
+xlib_rgb_do_colormaps (void)
+{
+  static const int sizes[][3] = {
+    /*    { 6, 7, 6 }, */
+    { 6, 6, 6 }, 
+    { 6, 6, 5 }, 
+    { 6, 6, 4 }, 
+    { 5, 5, 5 }, 
+    { 5, 5, 4 }, 
+    { 4, 4, 4 }, 
+    { 4, 4, 3 }, 
+    { 3, 3, 3 }, 
+    { 2, 2, 2 }
+  };
+  static const int n_sizes = sizeof(sizes) / (3 * sizeof(int));
+  int i;
+
+  for (i = 0; i < n_sizes; i++)
+    if (xlib_rgb_try_colormap (sizes[i][0], sizes[i][1], sizes[i][2]))
+      return TRUE;
+  return FALSE;
+}
+
+/* Make a 2 x 2 x 2 colorcube */
+static void
+xlib_rgb_colorcube_222 (void)
+{
+  int i;
+  XColor color;
+  Colormap cmap;
+
+  if (image_info->cmap_alloced)
+    cmap = image_info->cmap;
+  else
+    cmap = image_info->default_colormap;
+
+  colorcube_d = malloc(sizeof(unsigned char) * 512);
+
+  for (i = 0; i < 8; i++)
+    {
+      color.red = ((i & 4) >> 2) * 65535;
+      color.green = ((i & 2) >> 1) * 65535;
+      color.blue = (i & 1) * 65535;
+      XAllocColor (image_info->display, cmap, &color);
+      colorcube_d[((i & 4) << 4) | ((i & 2) << 2) | (i & 1)] = color.pixel;
+    }
+}
+
+void
+xlib_rgb_set_verbose (Bool verbose)
+{
+  xlib_rgb_verbose = verbose;
+}
+
+void
+xlib_rgb_set_install (Bool install)
+{
+  xlib_rgb_install_cmap = install;
+}
+
+void
+xlib_rgb_set_min_colors (int min_colors)
+{
+  xlib_rgb_min_colors = min_colors;
+}
+
+/* Return a "score" based on the following criteria (in hex):
+
+   x000 is the quality - 1 is 1bpp, 2 is 4bpp,
+                         4 is 8bpp,
+			 7 is 15bpp truecolor, 8 is 16bpp truecolor,
+			 9 is 24bpp truecolor.
+   0x00 is the speed - 1 is the normal case,
+                       2 means faster than normal
+   00x0 gets a point for being the system visual
+   000x gets a point for being pseudocolor
+
+   A caveat: in the 8bpp modes, being the system visual seems to be
+   quite important. Thus, all of the 8bpp modes should be ranked at
+   the same speed.
+*/
+
+static uint32
+xlib_rgb_score_visual (XVisualInfo *visual)
+{
+  uint32 quality, speed, pseudo, sys;
+  static const char* visual_names[] =
+  {
+    "static gray",
+    "grayscale",
+    "static color",
+    "pseudo color",
+    "true color",
+    "direct color",
+  };
+  
+  
+  quality = 0;
+  speed = 1;
+  sys = 0;
+  if (visual->class == TrueColor ||
+      visual->class == DirectColor)
+    {
+      if (visual->depth == 24)
+	{
+	  quality = 9;
+	  /* Should test for MSB visual here, and set speed if so. */
+	}
+      else if (visual->depth == 16)
+	quality = 8;
+      else if (visual->depth == 15)
+	quality = 7;
+      else if (visual->depth == 8)
+	quality = 4;
+    }
+  else if (visual->class == PseudoColor ||
+	   visual->class == StaticColor)
+    {
+      if (visual->depth == 8)
+	quality = 4;
+      else if (visual->depth == 4)
+	quality = 2;
+      else if (visual->depth == 1)
+	quality = 1;
+    }
+  else if (visual->class == StaticGray
+#ifdef ENABLE_GRAYSCALE
+	   || visual->class == GrayScale
+#endif
+	   )
+    {
+      if (visual->depth == 8)
+	quality = 4;
+      else if (visual->depth == 4)
+	quality = 2;
+      else if (visual->depth == 1)
+	quality = 1;
+    }
+
+  if (quality == 0)
+    return 0;
+
+  sys = (visual->visualid == image_info->default_visualid->visualid);
+  
+  pseudo = (visual->class == PseudoColor || visual->class == TrueColor);
+
+  if (xlib_rgb_verbose)
+    printf ("Visual 0x%x, type = %s, depth = %d, %ld:%ld:%ld%s; score=%x\n",
+	    (int)visual->visualid,
+	    visual_names[visual->class],
+	    visual->depth,
+	    visual->red_mask,
+	    visual->green_mask,
+	    visual->blue_mask,
+	    sys ? " (system)" : "",
+	    (quality << 12) | (speed << 8) | (sys << 4) | pseudo);
+  
+  return (quality << 12) | (speed << 8) | (sys << 4) | pseudo;
+}
+
+static void
+xlib_rgb_choose_visual (void)
+{
+  XVisualInfo *visuals;
+  XVisualInfo *visual;
+  XVisualInfo *best_visual;
+  XVisualInfo *final_visual;
+  XVisualInfo template;
+  int num_visuals;
+  uint32 score, best_score;
+  int cur_visual = 1;
+  int i;
+  
+  template.screen = image_info->screen_num;
+  visuals = XGetVisualInfo(image_info->display, VisualScreenMask,
+			   &template, &num_visuals);
+  
+  best_visual = visuals;
+  best_score = xlib_rgb_score_visual (best_visual);
+
+  for (i = cur_visual; i < num_visuals; i++)
+    {
+      visual = &visuals[i];
+      score = xlib_rgb_score_visual  (visual);
+      if (score > best_score)
+	{
+	  best_score = score;
+	  best_visual = visual;
+	}
+    }
+  /* make a copy of the visual so that we can free
+     the allocated visual list above. */
+  final_visual = malloc(sizeof(XVisualInfo));
+  memcpy(final_visual, best_visual, sizeof(XVisualInfo));
+  image_info->visual = final_visual;
+  XFree(visuals);
+  /* set up the shift and the precision for the red, green and blue.
+     this only applies to cool visuals like true color and direct color. */
+  if (image_info->visual->class == TrueColor ||
+      image_info->visual->class == DirectColor) {
+    image_info->red_shift = xlib_get_shift_from_mask(image_info->visual->red_mask);
+    image_info->red_prec = xlib_get_prec_from_mask(image_info->visual->red_mask);
+    image_info->green_shift = xlib_get_shift_from_mask(image_info->visual->green_mask);
+    image_info->green_prec = xlib_get_prec_from_mask(image_info->visual->green_mask);
+    image_info->blue_shift = xlib_get_shift_from_mask(image_info->visual->blue_mask);
+    image_info->blue_prec = xlib_get_prec_from_mask(image_info->visual->blue_mask);
+  }
+}
+
+static void xlib_rgb_select_conv (XImage *image, ByteOrder byte_order);
+
+static void
+xlib_rgb_set_gray_cmap (Colormap cmap)
+{
+  int i;
+  XColor color;
+  int status;
+  unsigned long pixels[256];
+  int r, g, b, gray;
+
+  for (i = 0; i < 256; i++)
+    {
+      color.pixel = i;
+      color.red = i * 257;
+      color.green = i * 257;
+      color.blue = i * 257;
+      status = XAllocColor(image_info->display, cmap, &color);
+      pixels[i] = color.pixel;
+#ifdef VERBOSE
+      printf ("allocating pixel %d, %x %x %x, result %d\n",
+	       color.pixel, color.red, color.green, color.blue, status);
+#endif
+    }
+
+  /* Now, we make fake colorcubes - we ultimately just use the pseudocolor
+     methods. */
+
+  colorcube = malloc(sizeof(unsigned char) * 4096);
+
+  for (i = 0; i < 4096; i++)
+    {
+      r = (i >> 4) & 0xf0;
+      r = r | r >> 4;
+      g = i & 0xf0;
+      g = g | g >> 4;
+      b = (i << 4 & 0xf0);
+      b = b | b >> 4;
+      gray = (g + ((r + b) >> 1)) >> 1;
+      colorcube[i] = pixels[gray];
+    }
+}
+
+void
+xlib_rgb_init (Display *display, Screen *screen)
+{
+  int i;
+  static const int byte_order[1] = { 1 };
+
+  /* check endian sanity */
+#if G_BYTE_ORDER == G_BIG_ENDIAN
+  if (((char *)byte_order)[0] == 1) {
+    printf ("xlib_rgb_init: compiled for big endian, but this is a little endian machine.\n\n");
+    exit(1);
+  }
+#else
+  if (((char *)byte_order)[0] != 1) {
+    printf ("xlib_rgb_init: compiled for little endian, but this is a big endian machine.\n\n");
+    exit(1);
+  }
+#endif
+
+  if (image_info == NULL)
+    {
+      image_info = malloc(sizeof(XlibRgbInfo));
+      memset(image_info, 0, sizeof(XlibRgbInfo));
+
+      image_info->display = display;
+      image_info->screen = screen;
+      image_info->screen_num = DefaultScreen(display);
+      image_info->visual = NULL;
+      image_info->cmap = 0;
+      image_info->default_visualid = DefaultVisual(display, image_info->screen_num);
+      image_info->default_colormap = DefaultColormap(display, image_info->screen_num);
+
+      image_info->color_pixels = NULL;
+      image_info->gray_pixels = NULL;
+      image_info->reserved_pixels = NULL;
+
+      image_info->nred_shades = 6;
+      image_info->ngreen_shades = 6;
+      image_info->nblue_shades = 4;
+      image_info->ngray_shades = 24;
+      image_info->nreserved = 0;
+
+      image_info->bpp = 0;
+      image_info->cmap_alloced = FALSE;
+      image_info->gamma_val = 1.0;
+
+      image_info->stage_buf = NULL;
+
+      image_info->own_gc = 0;
+      
+      image_info->red_shift = 0;
+      image_info->red_prec = 0;
+      image_info->green_shift = 0;
+      image_info->green_prec = 0;
+      image_info->blue_shift = 0;
+      image_info->blue_prec = 0;
+
+      xlib_rgb_choose_visual ();
+
+      if ((image_info->visual->class == PseudoColor ||
+	   image_info->visual->class == StaticColor) &&
+	  image_info->visual->depth < 8 &&
+	  image_info->visual->depth >= 3)
+	{
+	  image_info->cmap = image_info->default_colormap;
+	  xlib_rgb_colorcube_222 ();
+	}
+      else if (image_info->visual->class == PseudoColor)
+	{
+	  if (xlib_rgb_install_cmap ||
+	      image_info->visual->visualid != image_info->default_visualid->visualid)
+	    {
+	      image_info->cmap = XCreateColormap(image_info->display,
+						 DefaultRootWindow(image_info->display),
+						 image_info->visual->visual,
+						 AllocNone);
+	      image_info->cmap_alloced = TRUE;
+	    }
+	  if (!xlib_rgb_do_colormaps ())
+	    {
+	      image_info->cmap = XCreateColormap(image_info->display,
+						 DefaultRootWindow(image_info->display),
+						 image_info->visual->visual,
+						 AllocNone);
+	      image_info->cmap_alloced = TRUE;
+	      xlib_rgb_do_colormaps ();
+	    }
+	  if (xlib_rgb_verbose)
+	    printf ("color cube: %d x %d x %d\n",
+		    image_info->nred_shades,
+		    image_info->ngreen_shades,
+		    image_info->nblue_shades);
+
+	  if (!image_info->cmap_alloced)
+	      image_info->cmap = image_info->default_colormap;
+	}
+#ifdef ENABLE_GRAYSCALE
+      else if (image_info->visual->class == GrayScale)
+	{
+	  image_info->cmap = XCreateColormap(image_info->display,
+					     DefaultRootWindow(image_info->display),
+					     image_info->visual->visual,
+					     AllocNone);
+	  xlib_rgb_set_gray_cmap (image_info->cmap);
+	  image_info->cmap_alloced = TRUE;
+     	}
+#endif
+      else
+	{
+	  /* Always install colormap in direct color. */
+	  if (image_info->visual->class != DirectColor && 
+	      image_info->visual->visualid == image_info->default_visualid->visualid)
+	    image_info->cmap = image_info->default_colormap;
+	  else
+	    {
+	      image_info->cmap = XCreateColormap(image_info->display,
+						 DefaultRootWindow(image_info->display),
+						 image_info->visual->visual,
+						 AllocNone);
+	      image_info->cmap_alloced = TRUE;
+	    }
+	}
+
+      image_info->bitmap = (image_info->visual->depth == 1);
+
+      for (i = 0; i < N_IMAGES; i++) {
+	if (image_info->bitmap) {
+	  /* Use malloc() instead of g_malloc since X will free() this mem */
+	  static_image[i] = XCreateImage(image_info->display,
+					 image_info->visual->visual,
+					 1,
+					 XYBitmap,
+					 0, 0, IMAGE_WIDTH, IMAGE_HEIGHT,
+					 8,
+					 0);
+	  static_image[i]->data = malloc(IMAGE_WIDTH * IMAGE_HEIGHT >> 3);
+	  static_image[i]->bitmap_bit_order = MSBFirst;
+	  static_image[i]->byte_order = MSBFirst;
+	}
+	else {
+	  static_image[i] = XCreateImage(image_info->display,
+					 image_info->visual->visual,
+					 (unsigned int)image_info->visual->depth,
+					 ZPixmap,
+					 0, 0,
+					 IMAGE_WIDTH,
+					 IMAGE_HEIGHT,
+					 32, 0);
+	  /* remove this when we are using shared memory.. */
+	  static_image[i]->data = malloc((size_t)IMAGE_WIDTH * IMAGE_HEIGHT * image_info->visual->depth);
+	  static_image[i]->bitmap_bit_order = MSBFirst;
+	  static_image[i]->byte_order = MSBFirst;
+	}
+      }
+      /* ok, so apparently, image_info->bpp is actually
+	 BYTES per pixel.  What fun! */
+      switch (static_image[0]->bits_per_pixel) {
+      case 1:
+      case 8:
+	image_info->bpp = 1;
+	break;
+      case 16:
+	image_info->bpp = 2;
+	break;
+      case 24:
+	image_info->bpp = 3;
+	break;
+      case 32:
+	image_info->bpp = 4;
+	break;
+      }
+      xlib_rgb_select_conv (static_image[0], MSB_FIRST);
+    }
+}
+
+/* convert an rgb value into an X pixel code */
+unsigned long
+xlib_rgb_xpixel_from_rgb (uint32 rgb)
+{
+  unsigned long pixel = 0;
+
+  if (image_info->bitmap)
+    {
+      return ((rgb & 0xff0000) >> 16) +
+	((rgb & 0xff00) >> 7) +
+	(rgb & 0xff) > 510;
+    }
+  else if (image_info->visual->class == PseudoColor)
+    pixel = colorcube[((rgb & 0xf00000) >> 12) |
+		     ((rgb & 0xf000) >> 8) |
+		     ((rgb & 0xf0) >> 4)];
+  else if (image_info->visual->depth < 8 &&
+	   image_info->visual->class == StaticColor)
+    {
+      pixel = colorcube_d[((rgb & 0x800000) >> 17) |
+			 ((rgb & 0x8000) >> 12) |
+			 ((rgb & 0x80) >> 7)];
+    }
+  else if (image_info->visual->class == TrueColor ||
+	   image_info->visual->class == DirectColor)
+    {
+#ifdef VERBOSE
+      printf ("shift, prec: r %d %d g %d %d b %d %d\n",
+	      image_info->red_shift,
+	      image_info->red_prec,
+	      image_info->green_shift,
+	      image_info->green_prec,
+	      image_info->blue_shift,
+	      image_info->blue_prec);
+#endif
+
+      pixel = (((((rgb & 0xff0000) >> 16) >>
+		 (8 - image_info->red_prec)) <<
+		image_info->red_shift) +
+	       ((((rgb & 0xff00) >> 8)  >>
+		 (8 - image_info->green_prec)) <<
+		image_info->green_shift) +
+	       (((rgb & 0xff) >>
+		 (8 - image_info->blue_prec)) <<
+		image_info->blue_shift));
+    }
+  else if (image_info->visual->class == StaticGray ||
+	   image_info->visual->class == GrayScale)
+    {
+      int gray = ((rgb & 0xff0000) >> 16) +
+	((rgb & 0xff00) >> 7) +
+	(rgb & 0xff);
+
+      return gray >> (10 - image_info->visual->depth);
+    }
+
+  return pixel;
+}
+
+void
+xlib_rgb_gc_set_foreground (GC gc, uint32 rgb)
+{
+  unsigned long color;
+
+  color = xlib_rgb_xpixel_from_rgb (rgb);
+  XSetForeground(image_info->display, gc, color);
+}
+
+void
+xlib_rgb_gc_set_background (GC gc, uint32 rgb)
+{
+  unsigned long color;
+
+  color = xlib_rgb_xpixel_from_rgb (rgb);
+  XSetBackground(image_info->display, gc, color);
+}
+
+#if G_BYTE_ORDER == G_LITTLE_ENDIAN
+#define HAIRY_CONVERT_8
+#endif
+
+#ifdef HAIRY_CONVERT_8
+static void
+xlib_rgb_convert_8 (XImage *image,
+		   int ax, int ay, int width, int height,
+		   unsigned char *buf, int rowstride,
+		   int x_align, int y_align, XlibRgbCmap *cmap)
+{
+  int x, y;
+  int bpl;
+  unsigned char *obuf, *obptr;
+  unsigned char *bptr, *bp2;
+  int r, g, b;
+
+  bptr = buf;
+  bpl = image->bytes_per_line;
+  obuf = ((unsigned char *)image->data) + ay * bpl + ax;
+  for (y = 0; y < height; y++)
+    {
+      bp2 = bptr;
+      obptr = obuf;
+      if (((unsigned long)obuf | (unsigned long) bp2) & 3)
+	{
+	  for (x = 0; x < width; x++)
+	    {
+	      r = *bp2++;
+	      g = *bp2++;
+	      b = *bp2++;
+	      obptr[0] = colorcube[((r & 0xf0) << 4) |
+				  (g & 0xf0) |
+				  (b >> 4)];
+	      obptr++;
+	    }
+	}
+      else
+	{
+	  for (x = 0; x < width - 3; x += 4)
+	    {
+	      uint32 r1b0g0r0;
+	      uint32 g2r2b1g1;
+	      uint32 b3g3r3b2;
+
+	      r1b0g0r0 = ((uint32 *)bp2)[0];
+	      g2r2b1g1 = ((uint32 *)bp2)[1];
+	      b3g3r3b2 = ((uint32 *)bp2)[2];
+	      ((uint32 *)obptr)[0] =
+		colorcube[((r1b0g0r0 & 0xf0) << 4) | 
+			 ((r1b0g0r0 & 0xf000) >> 8) |
+			 ((r1b0g0r0 & 0xf00000) >> 20)] |
+		(colorcube[((r1b0g0r0 & 0xf0000000) >> 20) |
+			  (g2r2b1g1 & 0xf0) |
+			  ((g2r2b1g1 & 0xf000) >> 12)] << 8) |
+		(colorcube[((g2r2b1g1 & 0xf00000) >> 12) |
+			  ((g2r2b1g1 & 0xf0000000) >> 24) |
+			  ((b3g3r3b2 & 0xf0) >> 4)] << 16) |
+		(colorcube[((b3g3r3b2 & 0xf000) >> 4) |
+			  ((b3g3r3b2 & 0xf00000) >> 16) |
+			  (b3g3r3b2 >> 28)] << 24);
+	      bp2 += 12;
+	      obptr += 4;
+	    }
+	  for (; x < width; x++)
+	    {
+	      r = *bp2++;
+	      g = *bp2++;
+	      b = *bp2++;
+	      obptr[0] = colorcube[((r & 0xf0) << 4) |
+				  (g & 0xf0) |
+				  (b >> 4)];
+	      obptr++;
+	    }
+	}
+      bptr += rowstride;
+      obuf += bpl;
+    }
+}
+#else
+static void
+xlib_rgb_convert_8 (XImage *image,
+		   int ax, int ay, int width, int height,
+		   unsigned char *buf, int rowstride,
+		   int x_align, int y_align, XlibRgbCmap *cmap)
+{
+  int x, y;
+  int bpl;
+  unsigned char *obuf, *obptr;
+  unsigned char *bptr, *bp2;
+  int r, g, b;
+
+  bptr = buf;
+  bpl = image->bytes_per_line;
+  obuf = ((unsigned char *)image->data) + ay * bpl + ax;
+  for (y = 0; y < height; y++)
+    {
+      bp2 = bptr;
+      obptr = obuf;
+      for (x = 0; x < width; x++)
+	{
+	  r = *bp2++;
+	  g = *bp2++;
+	  b = *bp2++;
+	  obptr[0] = colorcube[((r & 0xf0) << 4) |
+			      (g & 0xf0) |
+			      (b >> 4)];
+	  obptr++;
+	}
+      bptr += rowstride;
+      obuf += bpl;
+    }
+}
+#endif
+
+#if 1
+
+/* This dither table was generated by Raph Levien using patented
+   technology (US Patent 5,276,535). The dither table itself is in the
+   public domain. */
+
+#define DM_WIDTH 128
+#define DM_WIDTH_SHIFT 7
+#define DM_HEIGHT 128
+static const unsigned char DM[128][128] =
+{
+  { 0, 41, 23, 5, 17, 39, 7, 15, 62, 23, 40, 51, 31, 47, 9, 32, 52, 27, 57, 25, 6, 61, 27, 52, 37, 7, 40, 63, 18, 36, 10, 42, 25, 62, 45, 34, 20, 42, 37, 14, 35, 29, 50, 10, 61, 2, 40, 8, 37, 12, 58, 22, 5, 41, 10, 39, 0, 60, 11, 46, 2, 55, 38, 17, 36, 59, 13, 54, 37, 56, 8, 29, 16, 13, 63, 22, 41, 55, 7, 20, 49, 14, 23, 55, 37, 23, 19, 36, 15, 49, 23, 63, 30, 14, 38, 27, 53, 13, 22, 41, 19, 31, 7, 19, 50, 30, 49, 16, 3, 32, 56, 40, 29, 34, 8, 48, 19, 45, 4, 51, 12, 46, 35, 49, 16, 42, 12, 62 },
+  { 30, 57, 36, 54, 47, 34, 52, 27, 43, 4, 28, 7, 17, 36, 62, 13, 44, 7, 18, 48, 33, 21, 44, 14, 30, 47, 12, 33, 5, 55, 31, 58, 13, 30, 4, 17, 52, 10, 60, 26, 46, 0, 39, 27, 42, 22, 47, 25, 60, 32, 9, 38, 48, 17, 59, 30, 49, 18, 34, 25, 51, 19, 5, 48, 21, 8, 28, 46, 1, 32, 41, 19, 54, 47, 37, 18, 28, 11, 44, 30, 39, 56, 2, 33, 8, 42, 61, 28, 58, 8, 46, 9, 41, 4, 58, 7, 21, 48, 59, 10, 52, 14, 42, 57, 12, 25, 7, 53, 42, 24, 11, 50, 17, 59, 42, 2, 36, 60, 32, 17, 63, 29, 21, 7, 59, 32, 24, 39 },
+  { 22, 8, 16, 32, 3, 25, 13, 57, 18, 45, 58, 39, 55, 20, 5, 42, 23, 34, 63, 1, 51, 10, 58, 4, 60, 23, 53, 27, 44, 21, 3, 48, 8, 50, 43, 54, 27, 32, 5, 55, 21, 58, 12, 53, 6, 36, 14, 50, 17, 29, 53, 15, 24, 52, 7, 36, 13, 42, 4, 53, 9, 35, 61, 26, 56, 32, 49, 15, 62, 23, 6, 60, 2, 31, 4, 48, 58, 38, 15, 61, 5, 25, 47, 28, 50, 15, 7, 40, 3, 32, 33, 52, 25, 50, 35, 42, 61, 3, 28, 36, 23, 63, 4, 33, 46, 62, 36, 23, 60, 6, 54, 28, 4, 37, 23, 55, 25, 8, 42, 54, 14, 6, 56, 38, 19, 52, 4, 46 },
+  { 48, 53, 43, 12, 45, 63, 30, 37, 9, 34, 21, 1, 25, 47, 29, 58, 3, 54, 15, 39, 29, 17, 38, 35, 20, 43, 1, 49, 15, 59, 29, 39, 22, 35, 16, 23, 1, 47, 39, 18, 8, 44, 25, 31, 57, 19, 63, 4, 45, 3, 42, 61, 1, 31, 45, 20, 57, 29, 62, 21, 32, 41, 14, 44, 3, 39, 5, 34, 10, 43, 51, 35, 23, 52, 40, 10, 21, 1, 53, 18, 51, 43, 12, 62, 18, 54, 26, 51, 20, 57, 14, 1, 62, 16, 11, 18, 32, 39, 17, 44, 1, 48, 26, 37, 18, 2, 51, 14, 28, 45, 35, 18, 57, 13, 47, 11, 51, 20, 2, 39, 31, 47, 25, 1, 50, 11, 60, 7 },
+  { 18, 28, 1, 56, 21, 10, 51, 2, 46, 54, 14, 61, 11, 50, 13, 38, 19, 31, 45, 9, 55, 24, 47, 5, 54, 9, 62, 11, 35, 8, 51, 14, 57, 6, 63, 40, 58, 14, 51, 28, 62, 34, 15, 48, 1, 41, 30, 35, 55, 21, 34, 11, 49, 37, 8, 52, 4, 23, 15, 43, 1, 58, 11, 23, 53, 16, 55, 26, 58, 18, 27, 12, 45, 14, 25, 63, 42, 33, 27, 35, 9, 31, 21, 38, 1, 44, 34, 12, 48, 38, 21, 44, 29, 47, 26, 53, 1, 46, 54, 8, 59, 29, 11, 55, 22, 41, 33, 20, 39, 1, 48, 9, 44, 32, 5, 62, 29, 44, 57, 23, 10, 58, 34, 43, 15, 37, 26, 33 },
+  { 51, 38, 59, 24, 35, 42, 19, 60, 5, 32, 41, 26, 43, 33, 7, 53, 48, 11, 59, 23, 42, 2, 61, 30, 16, 40, 32, 24, 56, 41, 19, 33, 37, 26, 47, 9, 31, 22, 2, 45, 9, 54, 4, 37, 21, 52, 11, 23, 7, 57, 16, 25, 55, 18, 63, 27, 46, 39, 56, 10, 50, 37, 29, 47, 19, 63, 24, 9, 46, 2, 39, 60, 9, 57, 30, 7, 49, 11, 59, 3, 45, 57, 5, 60, 29, 22, 5, 60, 30, 9, 59, 18, 40, 6, 57, 36, 30, 12, 24, 34, 15, 40, 52, 6, 49, 9, 58, 4, 63, 12, 26, 61, 22, 53, 38, 16, 35, 14, 28, 50, 42, 17, 5, 28, 62, 20, 54, 12 },
+  { 26, 6, 31, 15, 49, 6, 38, 27, 22, 49, 16, 56, 2, 62, 30, 21, 0, 36, 28, 6, 49, 32, 13, 52, 26, 50, 19, 46, 3, 26, 62, 0, 53, 12, 29, 3, 53, 41, 60, 24, 38, 13, 58, 16, 43, 9, 59, 39, 46, 28, 44, 40, 2, 33, 13, 41, 16, 6, 47, 31, 26, 17, 57, 6, 38, 0, 42, 36, 29, 52, 20, 31, 48, 0, 34, 56, 20, 36, 23, 54, 14, 41, 24, 37, 10, 55, 46, 25, 16, 45, 36, 4, 55, 23, 15, 8, 50, 62, 5, 56, 44, 20, 13, 28, 59, 31, 24, 47, 31, 52, 37, 17, 40, 0, 26, 49, 3, 60, 7, 33, 0, 61, 53, 40, 8, 45, 2, 41 },
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+  { 35, 28, 53, 32, 1, 16, 54, 40, 9, 17, 25, 58, 14, 59, 3, 22, 16, 51, 31, 5, 23, 58, 28, 17, 35, 20, 0, 42, 11, 52, 3, 31, 41, 17, 43, 13, 32, 54, 18, 60, 32, 45, 17, 49, 2, 36, 51, 22, 7, 36, 9, 63, 48, 12, 46, 26, 43, 28, 63, 13, 48, 37, 51, 33, 5, 47, 55, 9, 42, 63, 7, 51, 24, 12, 37, 19, 55, 34, 18, 38, 15, 28, 54, 34, 5, 43, 22, 0, 48, 14, 54, 24, 58, 9, 38, 5, 32, 55, 21, 30, 49, 9, 59, 43, 30, 51, 35, 26, 7, 53, 2, 22, 14, 27, 57, 18, 38, 24, 33, 45, 10, 41, 20, 60, 37, 5, 32, 0 },
+  { 63, 19, 15, 40, 62, 35, 14, 28, 46, 61, 4, 49, 35, 10, 29, 54, 33, 8, 45, 62, 37, 1, 43, 55, 10, 52, 61, 30, 19, 40, 25, 62, 11, 38, 27, 58, 36, 3, 46, 8, 39, 4, 62, 28, 47, 20, 4, 54, 47, 27, 43, 1, 21, 38, 8, 58, 10, 54, 4, 56, 9, 26, 12, 39, 60, 27, 18, 37, 1, 31, 35, 5, 45, 50, 2, 43, 26, 1, 59, 23, 56, 40, 7, 26, 58, 17, 32, 63, 25, 39, 7, 31, 45, 19, 63, 15, 48, 8, 37, 61, 16, 34, 1, 56, 18, 3, 15, 58, 49, 32, 63, 41, 55, 5, 40, 22, 50, 6, 59, 2, 63, 23, 52, 11, 26, 61, 44, 23 },
+  { 11, 56, 46, 6, 22, 43, 58, 3, 34, 21, 38, 30, 18, 44, 52, 13, 41, 57, 17, 28, 14, 49, 25, 7, 33, 39, 26, 6, 56, 48, 1, 20, 56, 5, 46, 9, 19, 51, 30, 25, 56, 21, 35, 14, 57, 42, 16, 33, 10, 57, 17, 59, 41, 25, 53, 37, 20, 40, 30, 18, 31, 62, 44, 22, 3, 44, 11, 48, 23, 53, 18, 60, 29, 22, 62, 15, 53, 47, 10, 41, 3, 19, 52, 36, 13, 46, 10, 35, 3, 61, 41, 16, 1, 50, 26, 42, 18, 46, 2, 25, 54, 20, 39, 23, 47, 31, 41, 12, 38, 17, 8, 19, 31, 48, 12, 61, 9, 54, 29, 35, 15, 38, 6, 43, 34, 14, 7, 47 },
+  { 39, 2, 33, 26, 53, 8, 18, 50, 41, 12, 53, 1, 63, 24, 19, 39, 2, 24, 47, 10, 60, 38, 19, 63, 48, 4, 15, 45, 32, 14, 60, 36, 29, 53, 23, 63, 34, 12, 61, 1, 43, 11, 53, 30, 1, 26, 60, 45, 23, 39, 3, 29, 12, 50, 4, 16, 51, 3, 45, 36, 50, 1, 16, 54, 35, 14, 57, 30, 58, 9, 46, 14, 41, 10, 32, 38, 4, 30, 21, 51, 32, 63, 25, 1, 60, 27, 53, 18, 51, 22, 28, 55, 34, 12, 40, 3, 60, 29, 57, 41, 6, 44, 11, 53, 8, 61, 24, 57, 1, 28, 44, 59, 36, 3, 34, 25, 41, 31, 16, 44, 22, 47, 28, 58, 1, 49, 54, 29 },
+  { 58, 25, 50, 13, 38, 30, 60, 24, 6, 57, 27, 42, 9, 45, 6, 61, 30, 50, 4, 34, 29, 3, 46, 13, 22, 42, 58, 28, 9, 39, 23, 44, 7, 15, 44, 2, 40, 15, 47, 41, 23, 37, 7, 59, 38, 11, 34, 6, 62, 14, 52, 35, 55, 19, 32, 61, 33, 24, 57, 6, 22, 59, 29, 7, 49, 25, 40, 3, 17, 39, 27, 52, 0, 55, 16, 57, 24, 61, 36, 6, 29, 12, 48, 39, 20, 44, 6, 40, 33, 5, 48, 10, 57, 36, 22, 51, 33, 9, 24, 12, 62, 29, 50, 35, 14, 43, 5, 33, 47, 52, 13, 23, 10, 51, 56, 16, 46, 1, 49, 4, 61, 9, 52, 18, 31, 21, 36, 17 },
+  { 19, 42, 9, 48, 2, 44, 11, 37, 48, 20, 33, 16, 55, 35, 49, 15, 37, 20, 59, 16, 53, 22, 56, 31, 50, 11, 34, 54, 16, 51, 4, 49, 33, 53, 21, 28, 56, 24, 31, 9, 52, 16, 48, 24, 44, 13, 51, 20, 31, 49, 18, 6, 34, 2, 44, 14, 47, 8, 15, 43, 13, 41, 33, 52, 20, 61, 7, 51, 34, 62, 4, 20, 36, 33, 43, 8, 46, 13, 53, 17, 45, 42, 9, 31, 52, 11, 30, 56, 13, 59, 17, 44, 27, 6, 62, 11, 43, 17, 49, 38, 26, 2, 16, 27, 58, 21, 54, 18, 26, 5, 35, 61, 43, 27, 7, 39, 14, 58, 37, 55, 20, 33, 13, 40, 62, 10, 55, 5 },
+  { 51, 14, 61, 29, 59, 20, 55, 31, 0, 49, 11, 60, 3, 26, 22, 56, 0, 40, 12, 43, 41, 8, 36, 0, 17, 57, 24, 2, 46, 26, 61, 18, 0, 38, 12, 59, 6, 49, 3, 57, 19, 63, 5, 33, 18, 54, 28, 56, 0, 43, 26, 46, 63, 27, 56, 22, 27, 54, 38, 28, 63, 24, 10, 45, 0, 31, 42, 21, 12, 25, 44, 49, 59, 6, 26, 50, 3, 34, 27, 59, 0, 35, 62, 16, 4, 58, 47, 0, 43, 24, 37, 2, 54, 20, 46, 31, 0, 56, 34, 5, 55, 45, 60, 37, 0, 40, 10, 38, 63, 46, 15, 20, 0, 53, 21, 62, 30, 11, 24, 27, 40, 0, 57, 26, 3, 45, 27, 35 },
+};
+
+#else
+#define DM_WIDTH 8
+#define DM_WIDTH_SHIFT 3
+#define DM_HEIGHT 8
+static const unsigned char DM[8][8] =
+{
+  { 0,  32, 8,  40, 2,  34, 10, 42 },
+  { 48, 16, 56, 24, 50, 18, 58, 26 },
+  { 12, 44, 4,  36, 14, 46, 6,  38 },
+  { 60, 28, 52, 20, 62, 30, 54, 22 },
+  { 3,  35, 11, 43, 1,  33, 9,  41 },
+  { 51, 19, 59, 27, 49, 17, 57, 25 },
+  { 15, 47, 7,  39, 13, 45, 5,  37 },
+  { 63, 31, 55, 23, 61, 29, 53, 21 }
+};
+#endif
+
+static uint32 *DM_565 = NULL;
+
+static void
+xlib_rgb_preprocess_dm_565 (void)
+{
+  int i;
+  uint32 dith;
+
+  if (DM_565 == NULL)
+    {
+      DM_565 = malloc(sizeof(uint32) * DM_WIDTH * DM_HEIGHT);
+      for (i = 0; i < DM_WIDTH * DM_HEIGHT; i++)
+	{
+	  dith = DM[0][i] >> 3;
+	  DM_565[i] = (dith << 20) | dith | (((7 - dith) >> 1) << 10);
+#ifdef VERBOSE
+	  printf ("%i %x %x\n", i, dith, DM_565[i]);
+#endif
+	}
+    }
+}
+
+static void
+xlib_rgb_convert_8_d666 (XImage *image,
+			int ax, int ay, int width, int height,
+			unsigned char *buf, int rowstride,
+			int x_align, int y_align, XlibRgbCmap *cmap)
+{
+  int x, y;
+  int bpl;
+  unsigned char *obuf, *obptr;
+  unsigned char *bptr, *bp2;
+  int r, g, b;
+  const unsigned char *dmp;
+  int dith;
+
+  bptr = buf;
+  bpl = image->bytes_per_line;
+  obuf = ((unsigned char *)image->data) + ay * bpl + ax;
+  for (y = 0; y < height; y++)
+    {
+      dmp = DM[(y_align + y) & (DM_HEIGHT - 1)];
+      bp2 = bptr;
+      obptr = obuf;
+      for (x = 0; x < width; x++)
+	{
+	  r = *bp2++;
+	  g = *bp2++;
+	  b = *bp2++;
+	  dith = (dmp[(x_align + x) & (DM_WIDTH - 1)] << 2) | 7;
+	  r = ((r * 5) + dith) >> 8;
+	  g = ((g * 5) + (262 - dith)) >> 8;
+	  b = ((b * 5) + dith) >> 8;
+	  obptr[0] = colorcube_d[(r << 6) | (g << 3) | b];
+	  obptr++;
+	}
+      bptr += rowstride;
+      obuf += bpl;
+    }
+}
+
+static void
+xlib_rgb_convert_8_d (XImage *image,
+		     int ax, int ay, int width, int height,
+		     unsigned char *buf, int rowstride,
+		     int x_align, int y_align,
+		     XlibRgbCmap *cmap)
+{
+  int x, y;
+  int bpl;
+  unsigned char *obuf, *obptr;
+  unsigned char *bptr, *bp2;
+  int r, g, b;
+  const unsigned char *dmp;
+  int dith;
+  int rs, gs, bs;
+
+  bptr = buf;
+  bpl = image->bytes_per_line;
+  rs = image_info->nred_shades - 1;
+  gs = image_info->ngreen_shades - 1;
+  bs = image_info->nblue_shades - 1;
+  obuf = ((unsigned char *)image->data) + ay * bpl + ax;
+  for (y = 0; y < height; y++)
+    {
+      dmp = DM[(y_align + y) & (DM_HEIGHT - 1)];
+      bp2 = bptr;
+      obptr = obuf;
+      for (x = 0; x < width; x++)
+	{
+	  r = *bp2++;
+	  g = *bp2++;
+	  b = *bp2++;
+	  dith = (dmp[(x_align + x) & (DM_WIDTH - 1)] << 2) | 7;
+	  r = ((r * rs) + dith) >> 8;
+	  g = ((g * gs) + (262 - dith)) >> 8;
+	  b = ((b * bs) + dith) >> 8;
+	  obptr[0] = colorcube_d[(r << 6) | (g << 3) | b];
+	  obptr++;
+	}
+      bptr += rowstride;
+      obuf += bpl;
+    }
+}
+
+static void
+xlib_rgb_convert_8_indexed (XImage *image,
+			   int ax, int ay, int width, int height,
+			   unsigned char *buf, int rowstride,
+			   int x_align, int y_align, XlibRgbCmap *cmap)
+{
+  int x, y;
+  int bpl;
+  unsigned char *obuf, *obptr;
+  unsigned char *bptr, *bp2;
+  unsigned char c;
+  unsigned char *lut;
+
+  lut = cmap->lut;
+  bptr = buf;
+  bpl = image->bytes_per_line;
+  obuf = ((unsigned char *)image->data) + ay * bpl + ax;
+  for (y = 0; y < height; y++)
+    {
+      bp2 = bptr;
+      obptr = obuf;
+      for (x = 0; x < width; x++)
+	{
+	  c = *bp2++;
+	  obptr[0] = lut[c];
+	  obptr++;
+	}
+      bptr += rowstride;
+      obuf += bpl;
+    }
+}
+
+static void
+xlib_rgb_convert_gray8 (XImage *image,
+		       int ax, int ay, int width, int height,
+		       unsigned char *buf, int rowstride,
+		       int x_align, int y_align, XlibRgbCmap *cmap)
+{
+  int x, y;
+  int bpl;
+  unsigned char *obuf, *obptr;
+  unsigned char *bptr, *bp2;
+  int r, g, b;
+
+  bptr = buf;
+  bpl = image->bytes_per_line;
+  obuf = ((unsigned char *)image->data) + ay * bpl + ax;
+  for (y = 0; y < height; y++)
+    {
+      bp2 = bptr;
+      obptr = obuf;
+      for (x = 0; x < width; x++)
+	{
+	  r = *bp2++;
+	  g = *bp2++;
+	  b = *bp2++;
+	  obptr[0] = (g + ((b + r) >> 1)) >> 1;
+	  obptr++;
+	}
+      bptr += rowstride;
+      obuf += bpl;
+    }
+}
+
+static void
+xlib_rgb_convert_gray8_gray (XImage *image,
+			    int ax, int ay, int width, int height,
+			    unsigned char *buf, int rowstride,
+			    int x_align, int y_align, XlibRgbCmap *cmap)
+{
+  int y;
+  int bpl;
+  unsigned char *obuf;
+  unsigned char *bptr;
+
+  bptr = buf;
+  bpl = image->bytes_per_line;
+  obuf = ((unsigned char *)image->data) + ay * bpl + ax;
+  for (y = 0; y < height; y++)
+    {
+      memcpy (obuf, bptr, (unsigned int)width);
+      bptr += rowstride;
+      obuf += bpl;
+    }
+}
+
+#if G_BYTE_ORDER == G_LITTLE_ENDIAN
+#define HAIRY_CONVERT_565
+#endif
+
+#ifdef HAIRY_CONVERT_565
+/* Render a 24-bit RGB image in buf into the GdkImage, without dithering.
+   This assumes native byte ordering - what should really be done is to
+   check whether static_image->byte_order is consistent with the _ENDIAN
+   config flag, and if not, use a different function.
+
+   This one is even faster than the one below - its inner loop loads 3
+   words (i.e. 4 24-bit pixels), does a lot of shifting and masking,
+   then writes 2 words. */
+static void
+xlib_rgb_convert_565 (XImage *image,
+		     int ax, int ay, int width, int height,
+		     unsigned char *buf, int rowstride,
+		     int x_align, int y_align, XlibRgbCmap *cmap)
+{
+  int x, y;
+  unsigned char *obuf, *obptr;
+  int bpl;
+  unsigned char *bptr, *bp2;
+  unsigned char r, g, b;
+
+  bptr = buf;
+  bpl = image->bytes_per_line;
+  obuf = ((unsigned char *)image->data) + ay * bpl + ax * 2;
+  for (y = 0; y < height; y++)
+    {
+      bp2 = bptr;
+      obptr = obuf;
+      if (((unsigned long)obuf | (unsigned long) bp2) & 3)
+	{
+	  for (x = 0; x < width; x++)
+	    {
+	      r = *bp2++;
+	      g = *bp2++;
+	      b = *bp2++;
+	      ((uint16 *)obptr)[0] = ((r & 0xf8) << 8) |
+		((g & 0xfc) << 3) |
+		(b >> 3);
+	      obptr += 2;
+	    }
+	}
+      else
+	{
+	  for (x = 0; x < width - 3; x += 4)
+	    {
+	      uint32 r1b0g0r0;
+	      uint32 g2r2b1g1;
+	      uint32 b3g3r3b2;
+
+	      r1b0g0r0 = ((uint32 *)bp2)[0];
+	      g2r2b1g1 = ((uint32 *)bp2)[1];
+	      b3g3r3b2 = ((uint32 *)bp2)[2];
+	      ((uint32 *)obptr)[0] =
+		((r1b0g0r0 & 0xf8) << 8) |
+		((r1b0g0r0 & 0xfc00) >> 5) |
+		((r1b0g0r0 & 0xf80000) >> 19) |
+		(r1b0g0r0 & 0xf8000000) |
+		((g2r2b1g1 & 0xfc) << 19) |
+		((g2r2b1g1 & 0xf800) << 5);
+	      ((uint32 *)obptr)[1] =
+		((g2r2b1g1 & 0xf80000) >> 8) |
+		((g2r2b1g1 & 0xfc000000) >> 21) |
+		((b3g3r3b2 & 0xf8) >> 3) |
+		((b3g3r3b2 & 0xf800) << 16) |
+		((b3g3r3b2 & 0xfc0000) << 3) |
+		((b3g3r3b2 & 0xf8000000) >> 11);
+	      bp2 += 12;
+	      obptr += 8;
+	    }
+	  for (; x < width; x++)
+	    {
+	      r = *bp2++;
+	      g = *bp2++;
+	      b = *bp2++;
+	      ((uint16 *)obptr)[0] = ((r & 0xf8) << 8) |
+		((g & 0xfc) << 3) |
+		(b >> 3);
+	      obptr += 2;
+	    }
+	}
+      bptr += rowstride;
+      obuf += bpl;
+    }
+}
+#else
+/* Render a 24-bit RGB image in buf into the GdkImage, without dithering.
+   This assumes native byte ordering - what should really be done is to
+   check whether static_image->byte_order is consistent with the _ENDIAN
+   config flag, and if not, use a different function.
+
+   This routine is faster than the one included with Gtk 1.0 for a number
+   of reasons:
+
+   1. Shifting instead of lookup tables (less memory traffic).
+
+   2. Much less register pressure, especially because shifts are
+   in the code.
+
+   3. A memcpy is avoided (i.e. the transfer function).
+
+   4. On big-endian architectures, byte swapping is avoided.
+
+   That said, it wouldn't be hard to make it even faster - just make an
+   inner loop that reads 3 words (i.e. 4 24-bit pixels), does a lot of
+   shifting and masking, then writes 2 words.
+*/
+static void
+xlib_rgb_convert_565 (XImage *image,
+		     int ax, int ay, int width, int height,
+		     unsigned char *buf, int rowstride,
+		     int x_align, int y_align, XlibRgbCmap *cmap)
+{
+  int x, y;
+  unsigned char *obuf;
+  int bpl;
+  unsigned char *bptr, *bp2;
+  unsigned char r, g, b;
+
+  bptr = buf;
+  bpl = image->bytes_per_line;
+  obuf = ((unsigned char *)image->data) + ay * bpl + ax * 2;
+  for (y = 0; y < height; y++)
+    {
+      bp2 = bptr;
+      for (x = 0; x < width; x++)
+	{
+	  r = *bp2++;
+	  g = *bp2++;
+	  b = *bp2++;
+	  ((unsigned short *)obuf)[x] = ((r & 0xf8) << 8) |
+	    ((g & 0xfc) << 3) |
+	    (b >> 3);
+	}
+      bptr += rowstride;
+      obuf += bpl;
+    }
+}
+#endif
+
+#ifdef HAIRY_CONVERT_565
+static void
+xlib_rgb_convert_565_gray (XImage *image,
+			  int ax, int ay, int width, int height,
+			  unsigned char *buf, int rowstride,
+			  int x_align, int y_align, XlibRgbCmap *cmap)
+{
+  int x, y;
+  unsigned char *obuf, *obptr;
+  int bpl;
+  unsigned char *bptr, *bp2;
+  unsigned char g;
+
+  bptr = buf;
+  bpl = image->bytes_per_line;
+  obuf = ((unsigned char *)image->data) + ay * bpl + ax * 2;
+  for (y = 0; y < height; y++)
+    {
+      bp2 = bptr;
+      obptr = obuf;
+      if (((unsigned long)obuf | (unsigned long) bp2) & 3)
+	{
+	  for (x = 0; x < width; x++)
+	    {
+	      g = *bp2++;
+	      ((uint16 *)obptr)[0] = ((g & 0xf8) << 8) |
+		((g & 0xfc) << 3) |
+		(g >> 3);
+	      obptr += 2;
+	    }
+	}
+      else
+	{
+	  for (x = 0; x < width - 3; x += 4)
+	    {
+	      uint32 g3g2g1g0;
+
+	      g3g2g1g0 = ((uint32 *)bp2)[0];
+	      ((uint32 *)obptr)[0] =
+		((g3g2g1g0 & 0xf8) << 8) |
+		((g3g2g1g0 & 0xfc) << 3) |
+		((g3g2g1g0 & 0xf8) >> 3) |
+		(g3g2g1g0 & 0xf800) << 16 |
+		((g3g2g1g0 & 0xfc00) << 11) |
+		((g3g2g1g0 & 0xf800) << 5);
+	      ((uint32 *)obptr)[1] =
+		((g3g2g1g0 & 0xf80000) >> 8) |
+		((g3g2g1g0 & 0xfc0000) >> 13) |
+		((g3g2g1g0 & 0xf80000) >> 19) |
+		(g3g2g1g0 & 0xf8000000) |
+		((g3g2g1g0 & 0xfc000000) >> 5) |
+		((g3g2g1g0 & 0xf8000000) >> 11);
+	      bp2 += 4;
+	      obptr += 8;
+	    }
+	  for (; x < width; x++)
+	    {
+	      g = *bp2++;
+	      ((uint16 *)obptr)[0] = ((g & 0xf8) << 8) |
+		((g & 0xfc) << 3) |
+		(g >> 3);
+	      obptr += 2;
+	    }
+	}
+      bptr += rowstride;
+      obuf += bpl;
+    }
+}
+#else
+static void
+xlib_rgb_convert_565_gray (XImage *image,
+			  int ax, int ay, int width, int height,
+			  unsigned char *buf, int rowstride,
+			  int x_align, int y_align, XlibRgbCmap *cmap)
+{
+  int x, y;
+  unsigned char *obuf;
+  int bpl;
+  unsigned char *bptr, *bp2;
+  unsigned char g;
+
+  bptr = buf;
+  bpl = image->bytes_per_line;
+  obuf = ((unsigned char *)image->data) + ay * bpl + ax * 2;
+  for (y = 0; y < height; y++)
+    {
+      bp2 = bptr;
+      for (x = 0; x < width; x++)
+	{
+	  g = *bp2++;
+	  ((uint16 *)obuf)[x] = ((g & 0xf8) << 8) |
+	    ((g & 0xfc) << 3) |
+	    (g >> 3);
+	}
+      bptr += rowstride;
+      obuf += bpl;
+    }
+}
+#endif
+
+static void
+xlib_rgb_convert_565_br (XImage *image,
+			 int ax, int ay, int width, int height,
+			 unsigned char *buf, int rowstride,
+			 int x_align, int y_align, XlibRgbCmap *cmap)
+{
+  int x, y;
+  unsigned char *obuf;
+  int bpl;
+  unsigned char *bptr, *bp2;
+  unsigned char r, g, b;
+
+  bptr = buf;
+  bpl = image->bytes_per_line;
+  obuf = ((unsigned char *)image->data) + ay * bpl + ax * 2;
+  for (y = 0; y < height; y++)
+    {
+      bp2 = bptr;
+      for (x = 0; x < width; x++)
+	{
+	  r = *bp2++;
+	  g = *bp2++;
+	  b = *bp2++;
+	  /* final word is:
+	     g4 g3 g2 b7 b6 b5 b4 b3  r7 r6 r5 r4 r3 g7 g6 g5
+	   */
+	  ((unsigned short *)obuf)[x] = (r & 0xf8) |
+	    ((g & 0xe0) >> 5) |
+	    ((g & 0x1c) << 11) |
+	    ((b & 0xf8) << 5);
+	}
+      bptr += rowstride;
+      obuf += bpl;
+    }
+}
+
+/* Thanks to Ray Lehtiniemi for a patch that resulted in a ~25% speedup
+   in this mode. */
+#ifdef HAIRY_CONVERT_565
+static void
+xlib_rgb_convert_565_d (XImage *image,
+		     int ax, int ay, int width, int height,
+		     unsigned char *buf, int rowstride,
+		     int x_align, int y_align, XlibRgbCmap *cmap)
+{
+  /* Now this is what I'd call some highly tuned code! */
+  int x, y;
+  unsigned char *obuf, *obptr;
+  int bpl;
+  unsigned char *bptr, *bp2;
+
+  width += x_align;
+  height += y_align;
+  
+  bptr = buf;
+  bpl = image->bytes_per_line;
+  obuf = ((unsigned char *)image->data) + ay * bpl + ax * 2;
+  for (y = y_align; y < height; y++)
+    {
+      uint32 *dmp = DM_565 + ((y & (DM_HEIGHT - 1)) << DM_WIDTH_SHIFT);
+      bp2 = bptr;
+      obptr = obuf;
+      if (((unsigned long)obuf | (unsigned long) bp2) & 3)
+	{
+	  for (x = x_align; x < width; x++)
+	    {
+	      int32 rgb = *bp2++ << 20;
+	      rgb += *bp2++ << 10;
+	      rgb += *bp2++;
+	      rgb += dmp[x & (DM_WIDTH - 1)];
+	      rgb += 0x10040100
+		- ((rgb & 0x1e0001e0) >> 5)
+		- ((rgb & 0x00070000) >> 6);
+
+	      ((unsigned short *)obptr)[0] =
+		((rgb & 0x0f800000) >> 12) |
+		((rgb & 0x0003f000) >> 7) |
+		((rgb & 0x000000f8) >> 3);
+	      obptr += 2;
+	    }
+	}
+      else
+	{
+	  for (x = x_align; x < width - 3; x += 4)
+	    {
+	      uint32 r1b0g0r0;
+	      uint32 g2r2b1g1;
+	      uint32 b3g3r3b2;
+	      uint32 rgb02, rgb13;
+
+	      r1b0g0r0 = ((uint32 *)bp2)[0];
+	      g2r2b1g1 = ((uint32 *)bp2)[1];
+	      b3g3r3b2 = ((uint32 *)bp2)[2];
+	      rgb02 =
+		((r1b0g0r0 & 0xff) << 20) +
+		((r1b0g0r0 & 0xff00) << 2) +
+		((r1b0g0r0 & 0xff0000) >> 16) +
+		dmp[x & (DM_WIDTH - 1)];
+	      rgb02 += 0x10040100
+		- ((rgb02 & 0x1e0001e0) >> 5)
+		- ((rgb02 & 0x00070000) >> 6);
+	      rgb13 =
+		((r1b0g0r0 & 0xff000000) >> 4) +
+		((g2r2b1g1 & 0xff) << 10) +
+		((g2r2b1g1 & 0xff00) >> 8) +
+		dmp[(x + 1) & (DM_WIDTH - 1)];
+	      rgb13 += 0x10040100
+		- ((rgb13 & 0x1e0001e0) >> 5)
+		- ((rgb13 & 0x00070000) >> 6);
+	      ((uint32 *)obptr)[0] =
+		((rgb02 & 0x0f800000) >> 12) |
+		((rgb02 & 0x0003f000) >> 7) |
+		((rgb02 & 0x000000f8) >> 3) |
+		((rgb13 & 0x0f800000) << 4) |
+		((rgb13 & 0x0003f000) << 9) |
+		((rgb13 & 0x000000f8) << 13);
+	      rgb02 =
+		((g2r2b1g1 & 0xff0000) << 4) +
+		((g2r2b1g1 & 0xff000000) >> 14) +
+		(b3g3r3b2 & 0xff) +
+		dmp[(x + 2) & (DM_WIDTH - 1)];
+	      rgb02 += 0x10040100
+		- ((rgb02 & 0x1e0001e0) >> 5)
+		- ((rgb02 & 0x00070000) >> 6);
+	      rgb13 =
+		((b3g3r3b2 & 0xff00) << 12) +
+		((b3g3r3b2 & 0xff0000) >> 6) +
+		((b3g3r3b2 & 0xff000000) >> 24) +
+		dmp[(x + 3) & (DM_WIDTH - 1)];
+	      rgb13 += 0x10040100
+		- ((rgb13 & 0x1e0001e0) >> 5)
+		- ((rgb13 & 0x00070000) >> 6);
+	      ((uint32 *)obptr)[1] =
+		((rgb02 & 0x0f800000) >> 12) |
+		((rgb02 & 0x0003f000) >> 7) |
+		((rgb02 & 0x000000f8) >> 3) |
+		((rgb13 & 0x0f800000) << 4) |
+		((rgb13 & 0x0003f000) << 9) |
+		((rgb13 & 0x000000f8) << 13);
+	      bp2 += 12;
+	      obptr += 8;
+	    }
+	  for (; x < width; x++)
+	    {
+	      int32 rgb = *bp2++ << 20;
+	      rgb += *bp2++ << 10;
+	      rgb += *bp2++;
+	      rgb += dmp[x & (DM_WIDTH - 1)];
+	      rgb += 0x10040100
+		- ((rgb & 0x1e0001e0) >> 5)
+		- ((rgb & 0x00070000) >> 6);
+
+	      ((unsigned short *)obptr)[0] =
+		((rgb & 0x0f800000) >> 12) |
+		((rgb & 0x0003f000) >> 7) |
+		((rgb & 0x000000f8) >> 3);
+	      obptr += 2;
+	    }
+	}
+      bptr += rowstride;
+      obuf += bpl;
+    }
+}
+#else
+static void
+xlib_rgb_convert_565_d (XImage *image,
+                       int ax, int ay, int width, int height,
+                       unsigned char *buf, int rowstride,
+                       int x_align, int y_align, XlibRgbCmap *cmap)
+{
+  int x, y;
+  unsigned char *obuf;
+  int bpl;
+  unsigned char *bptr;
+
+  width += x_align;
+  height += y_align;
+  
+  bptr = buf;
+  bpl = image->bytes_per_line;
+  obuf = ((unsigned char *)image->data) + ay * bpl + (ax - x_align) * 2;
+
+  for (y = y_align; y < height; y++)
+    {
+      uint32 *dmp = DM_565 + ((y & (DM_HEIGHT - 1)) << DM_WIDTH_SHIFT);
+      unsigned char *bp2 = bptr;
+
+      for (x = x_align; x < width; x++)
+        {
+          int32 rgb = *bp2++ << 20;
+          rgb += *bp2++ << 10;
+          rgb += *bp2++;
+	  rgb += dmp[x & (DM_WIDTH - 1)];
+          rgb += 0x10040100
+            - ((rgb & 0x1e0001e0) >> 5)
+            - ((rgb & 0x00070000) >> 6);
+
+          ((unsigned short *)obuf)[x] =
+            ((rgb & 0x0f800000) >> 12) |
+            ((rgb & 0x0003f000) >> 7) |
+            ((rgb & 0x000000f8) >> 3);
+        }
+
+      bptr += rowstride;
+      obuf += bpl;
+    }
+}
+#endif
+
+static void
+xlib_rgb_convert_555 (XImage *image,
+		     int ax, int ay, int width, int height,
+		     unsigned char *buf, int rowstride,
+		     int x_align, int y_align, XlibRgbCmap *cmap)
+{
+  int x, y;
+  unsigned char *obuf;
+  int bpl;
+  unsigned char *bptr, *bp2;
+  unsigned char r, g, b;
+
+  bptr = buf;
+  bpl = image->bytes_per_line;
+  obuf = ((unsigned char *)image->data) + ay * bpl + ax * 2;
+  for (y = 0; y < height; y++)
+    {
+      bp2 = bptr;
+      for (x = 0; x < width; x++)
+	{
+	  r = *bp2++;
+	  g = *bp2++;
+	  b = *bp2++;
+	  ((unsigned short *)obuf)[x] = ((r & 0xf8) << 7) |
+	    ((g & 0xf8) << 2) |
+	    (b >> 3);
+	}
+      bptr += rowstride;
+      obuf += bpl;
+    }
+}
+
+static void
+xlib_rgb_convert_555_br (XImage *image,
+			int ax, int ay, int width, int height,
+			unsigned char *buf, int rowstride,
+			int x_align, int y_align, XlibRgbCmap *cmap)
+{
+  int x, y;
+  unsigned char *obuf;
+  int bpl;
+  unsigned char *bptr, *bp2;
+  unsigned char r, g, b;
+
+  bptr = buf;
+  bpl = image->bytes_per_line;
+  obuf = ((unsigned char *)image->data) + ay * bpl + ax * 2;
+  for (y = 0; y < height; y++)
+    {
+      bp2 = bptr;
+      for (x = 0; x < width; x++)
+	{
+	  r = *bp2++;
+	  g = *bp2++;
+	  b = *bp2++;
+	  /* final word is:
+	     g5 g4 g3 b7 b6 b5 b4 b3  0 r7 r6 r5 r4 r3 g7 g6
+	   */
+	  ((unsigned short *)obuf)[x] = ((r & 0xf8) >> 1) |
+	    ((g & 0xc0) >> 6) |
+	    ((g & 0x18) << 10) |
+	    ((b & 0xf8) << 5);
+	}
+      bptr += rowstride;
+      obuf += bpl;
+    }
+}
+
+static void
+xlib_rgb_convert_888_msb (XImage *image,
+			 int ax, int ay, int width, int height,
+			 unsigned char *buf, int rowstride,
+			 int x_align, int y_align, XlibRgbCmap *cmap)
+{
+  int y;
+  unsigned char *obuf;
+  int bpl;
+  unsigned char *bptr;
+
+  bptr = buf;
+  bpl = image->bytes_per_line;
+  obuf = ((unsigned char *)image->data) + ay * bpl + ax * 3;
+  for (y = 0; y < height; y++)
+    {
+      memcpy (obuf, bptr, (unsigned int)(width + width + width));
+      bptr += rowstride;
+      obuf += bpl;
+    }
+}
+
+/* todo: optimize this */
+#if G_BYTE_ORDER == G_LITTLE_ENDIAN
+#define HAIRY_CONVERT_888
+#endif
+
+#ifdef HAIRY_CONVERT_888
+static void
+xlib_rgb_convert_888_lsb (XImage *image,
+			  int ax, int ay, int width, int height,
+			  unsigned char *buf, int rowstride,
+			  int x_align, int y_align, XlibRgbCmap *cmap)
+{
+  int x, y;
+  unsigned char *obuf, *obptr;
+  int bpl;
+  unsigned char *bptr, *bp2;
+  int r, g, b;
+
+  bptr = buf;
+  bpl = image->bytes_per_line;
+  obuf = ((unsigned char *)image->data) + ay * bpl + ax * 3;
+  for (y = 0; y < height; y++)
+    {
+      bp2 = bptr;
+      obptr = obuf;
+      if (((unsigned long)obuf | (unsigned long) bp2) & 3)
+	{
+	  for (x = 0; x < width; x++)
+	    {
+	      r = bp2[0];
+	      g = bp2[1];
+	      b = bp2[2];
+	      *obptr++ = b;
+	      *obptr++ = g;
+	      *obptr++ = r;
+	      bp2 += 3;
+	    }
+	}
+      else
+	{
+	  for (x = 0; x < width - 3; x += 4)
+	    {
+	      uint32 r1b0g0r0;
+	      uint32 g2r2b1g1;
+	      uint32 b3g3r3b2;
+
+	      r1b0g0r0 = ((uint32 *)bp2)[0];
+	      g2r2b1g1 = ((uint32 *)bp2)[1];
+	      b3g3r3b2 = ((uint32 *)bp2)[2];
+	      ((uint32 *)obptr)[0] =
+		(r1b0g0r0 & 0xff00) |
+		((r1b0g0r0 & 0xff0000) >> 16) |
+		(((g2r2b1g1 & 0xff00) | (r1b0g0r0 & 0xff)) << 16);
+	      ((uint32 *)obptr)[1] =
+		(g2r2b1g1 & 0xff0000ff) |
+		((r1b0g0r0 & 0xff000000) >> 16) |
+		((b3g3r3b2 & 0xff) << 16);
+	      ((uint32 *)obptr)[2] =
+		(((g2r2b1g1 & 0xff0000) | (b3g3r3b2 & 0xff000000)) >> 16) |
+		((b3g3r3b2 & 0xff00) << 16) |
+		((b3g3r3b2 & 0xff0000));
+	      bp2 += 12;
+	      obptr += 12;
+	    }
+	  for (; x < width; x++)
+	    {
+	      r = bp2[0];
+	      g = bp2[1];
+	      b = bp2[2];
+	      *obptr++ = b;
+	      *obptr++ = g;
+	      *obptr++ = r;
+	      bp2 += 3;
+	    }
+	}
+      bptr += rowstride;
+      obuf += bpl;
+    }
+}
+#else
+static void
+xlib_rgb_convert_888_lsb (XImage *image,
+			 int ax, int ay, int width, int height,
+			 unsigned char *buf, int rowstride,
+			 int x_align, int y_align, XlibRgbCmap *cmap)
+{
+  int x, y;
+  unsigned char *obuf;
+  int bpl;
+  unsigned char *bptr, *bp2;
+  int r, g, b;
+
+  bptr = buf;
+  bpl = image->bytes_per_line;
+  obuf = ((unsigned char *)image->data) + ay * bpl + ax * 3;
+  for (y = 0; y < height; y++)
+    {
+      bp2 = bptr;
+      for (x = 0; x < width; x++)
+	{
+	  r = bp2[0];
+	  g = bp2[1];
+	  b = bp2[2];
+	  obuf[x * 3] = b;
+	  obuf[x * 3 + 1] = g;
+	  obuf[x * 3 + 2] = r;
+	  bp2 += 3;
+	}
+      bptr += rowstride;
+      obuf += bpl;
+    }
+}
+#endif
+
+/* convert 24-bit packed to 32-bit unpacked */
+/* todo: optimize this */
+static void
+xlib_rgb_convert_0888 (XImage *image,
+		      int ax, int ay, int width, int height,
+		      unsigned char *buf, int rowstride,
+		      int x_align, int y_align, XlibRgbCmap *cmap)
+{
+  int x, y;
+  unsigned char *obuf;
+  int bpl;
+  unsigned char *bptr, *bp2;
+  int r, g, b;
+
+  bptr = buf;
+  bpl = image->bytes_per_line;
+  obuf = ((unsigned char *)image->data) + ay * bpl + ax * 4;
+  for (y = 0; y < height; y++)
+    {
+      bp2 = bptr;
+      for (x = 0; x < width; x++)
+	{
+	  r = bp2[0];
+	  g = bp2[1];
+	  b = bp2[2];
+	  ((uint32 *)obuf)[x] = (r << 16) | (g << 8) | b;
+	  bp2 += 3;
+	}
+      bptr += rowstride;
+      obuf += bpl;
+    }
+}
+
+static void
+xlib_rgb_convert_0888_br (XImage *image,
+			 int ax, int ay, int width, int height,
+			 unsigned char *buf, int rowstride,
+			 int x_align, int y_align, XlibRgbCmap *cmap)
+{
+  int x, y;
+  unsigned char *obuf;
+  int bpl;
+  unsigned char *bptr, *bp2;
+  int r, g, b;
+
+  bptr = buf;
+  bpl = image->bytes_per_line;
+  obuf = ((unsigned char *)image->data) + ay * bpl + ax * 4;
+  for (y = 0; y < height; y++)
+    {
+      bp2 = bptr;
+      for (x = 0; x < width; x++)
+	{
+	  r = bp2[0];
+	  g = bp2[1];
+	  b = bp2[2];
+	  ((uint32 *)obuf)[x] = (b << 24) | (g << 16) | (r << 8);
+	  bp2 += 3;
+	}
+      bptr += rowstride;
+      obuf += bpl;
+    }
+}
+
+static void
+xlib_rgb_convert_8880_br (XImage *image,
+			 int ax, int ay, int width, int height,
+			 unsigned char *buf, int rowstride,
+			 int x_align, int y_align, XlibRgbCmap *cmap)
+{
+  int x, y;
+  unsigned char *obuf;
+  int bpl;
+  unsigned char *bptr, *bp2;
+  int r, g, b;
+
+  bptr = buf;
+  bpl = image->bytes_per_line;
+  obuf = ((unsigned char *)image->data) + ay * bpl + ax * 4;
+  for (y = 0; y < height; y++)
+    {
+      bp2 = bptr;
+      for (x = 0; x < width; x++)
+	{
+	  r = bp2[0];
+	  g = bp2[1];
+	  b = bp2[2];
+	  ((uint32 *)obuf)[x] = (b << 16) | (g << 8) | r;
+	  bp2 += 3;
+	}
+      bptr += rowstride;
+      obuf += bpl;
+    }
+}
+
+/* Generic truecolor/directcolor conversion function. Slow, but these
+   are oddball modes. */
+static void
+xlib_rgb_convert_truecolor_lsb (XImage *image,
+			       int ax, int ay, int width, int height,
+			       unsigned char *buf, int rowstride,
+			       int x_align, int y_align,
+			       XlibRgbCmap *cmap)
+{
+  int x, y;
+  unsigned char *obuf, *obptr;
+  int bpl;
+  unsigned char *bptr, *bp2;
+  int r, g, b;
+  int r_right, r_left;
+  int g_right, g_left;
+  int b_right, b_left;
+  int bpp;
+  uint32 pixel;
+  int i;
+
+  r_right = 8 - image_info->red_prec;
+  r_left = image_info->red_shift;
+  g_right = 8 - image_info->green_prec;
+  g_left = image_info->green_shift;
+  b_right = 8 - image_info->blue_prec;
+  b_left = image_info->blue_shift;
+  bpp = image_info->bpp;
+  bptr = buf;
+  bpl = image->bytes_per_line;
+  obuf = ((unsigned char *)image->data) + ay * bpl + ax * bpp;
+  for (y = 0; y < height; y++)
+    {
+      obptr = obuf;
+      bp2 = bptr;
+      for (x = 0; x < width; x++)
+	{
+	  r = bp2[0];
+	  g = bp2[1];
+	  b = bp2[2];
+	  pixel = ((r >> r_right) << r_left) |
+	    ((g >> g_right) << g_left) |
+	    ((b >> b_right) << b_left);
+	  for (i = 0; i < bpp; i++)
+	    {
+	      *obptr++ = pixel & 0xff;
+	      pixel >>= 8;
+	    }
+	  bp2 += 3;
+	}
+      bptr += rowstride;
+      obuf += bpl;
+    }
+}
+
+static void
+xlib_rgb_convert_truecolor_lsb_d (XImage *image,
+				 int ax, int ay, int width, int height,
+				 unsigned char *buf, int rowstride,
+				 int x_align, int y_align,
+				 XlibRgbCmap *cmap)
+{
+  int x, y;
+  unsigned char *obuf, *obptr;
+  int bpl;
+  unsigned char *bptr, *bp2;
+  int r, g, b;
+  int r_right, r_left, r_prec;
+  int g_right, g_left, g_prec;
+  int b_right, b_left, b_prec;
+  int bpp;
+  uint32 pixel;
+  int i;
+  int dith;
+  int r1, g1, b1;
+  const unsigned char *dmp;
+
+  r_right = 8 - image_info->red_prec;
+  r_left = image_info->red_shift;
+  r_prec = image_info->red_prec;
+  g_right = 8 - image_info->green_prec;
+  g_left = image_info->green_shift;
+  g_prec = image_info->green_prec;
+  b_right = 8 - image_info->blue_prec;
+  b_left = image_info->blue_shift;
+  b_prec = image_info->blue_prec;
+  bpp = image_info->bpp;
+  bptr = buf;
+  bpl = image->bytes_per_line;
+  obuf = ((unsigned char *)image->data) + ay * bpl + ax * bpp;
+  for (y = 0; y < height; y++)
+    {
+      dmp = DM[(y_align + y) & (DM_HEIGHT - 1)];
+      obptr = obuf;
+      bp2 = bptr;
+      for (x = 0; x < width; x++)
+	{
+	  r = bp2[0];
+	  g = bp2[1];
+	  b = bp2[2];
+	  dith = dmp[(x_align + x) & (DM_WIDTH - 1)] << 2;
+	  r1 = r + (dith >> r_prec);
+	  g1 = g + ((252 - dith) >> g_prec);
+	  b1 = b + (dith >> b_prec);
+	  pixel = (((r1 - (r1 >> r_prec)) >> r_right) << r_left) |
+	    (((g1 - (g1 >> g_prec)) >> g_right) << g_left) |
+	    (((b1 - (b1 >> b_prec)) >> b_right) << b_left);
+	  for (i = 0; i < bpp; i++)
+	    {
+	      *obptr++ = pixel & 0xff;
+	      pixel >>= 8;
+	    }
+	  bp2 += 3;
+	}
+      bptr += rowstride;
+      obuf += bpl;
+    }
+}
+
+static void
+xlib_rgb_convert_truecolor_msb (XImage *image,
+			       int ax, int ay, int width, int height,
+			       unsigned char *buf, int rowstride,
+			       int x_align, int y_align,
+			       XlibRgbCmap *cmap)
+{
+  int x, y;
+  unsigned char *obuf, *obptr;
+  int bpl;
+  unsigned char *bptr, *bp2;
+  int r, g, b;
+  int r_right, r_left;
+  int g_right, g_left;
+  int b_right, b_left;
+  int bpp;
+  uint32 pixel;
+  int shift, shift_init;
+
+  r_right = 8 - image_info->red_prec;
+  r_left = image_info->red_shift;
+  g_right = 8 - image_info->green_prec;
+  g_left = image_info->green_shift;
+  b_right = 8 - image_info->blue_prec;
+  b_left = image_info->blue_shift;
+  bpp = image_info->bpp;
+  bptr = buf;
+  bpl = image->bytes_per_line;
+  obuf = ((unsigned char *)image->data) + ay * bpl + ax * bpp;
+  shift_init = (bpp - 1) << 3;
+  for (y = 0; y < height; y++)
+    {
+      obptr = obuf;
+      bp2 = bptr;
+      for (x = 0; x < width; x++)
+	{
+	  r = bp2[0];
+	  g = bp2[1];
+	  b = bp2[2];
+	  pixel = ((r >> r_right) << r_left) |
+	    ((g >> g_right) << g_left) |
+	    ((b >> b_right) << b_left);
+	  for (shift = shift_init; shift >= 0; shift -= 8)
+	    {
+	      *obptr++ = (pixel >> shift) & 0xff;
+	    }
+	  bp2 += 3;
+	}
+      bptr += rowstride;
+      obuf += bpl;
+    }
+}
+
+static void
+xlib_rgb_convert_truecolor_msb_d (XImage *image,
+				 int ax, int ay, int width, int height,
+				 unsigned char *buf, int rowstride,
+				 int x_align, int y_align,
+				 XlibRgbCmap *cmap)
+{
+  int x, y;
+  unsigned char *obuf, *obptr;
+  int bpl;
+  unsigned char *bptr, *bp2;
+  int r, g, b;
+  int r_right, r_left, r_prec;
+  int g_right, g_left, g_prec;
+  int b_right, b_left, b_prec;
+  int bpp;
+  uint32 pixel;
+  int shift, shift_init;
+  int dith;
+  int r1, g1, b1;
+  const unsigned char *dmp;
+
+  r_right = 8 - image_info->red_prec;
+  r_left = image_info->red_shift;
+  r_prec = image_info->red_prec;
+  g_right = 8 - image_info->green_prec;
+  g_left = image_info->green_shift;
+  g_prec = image_info->green_prec;
+  b_right = 8 - image_info->blue_prec;
+  b_left = image_info->blue_shift;
+  b_prec = image_info->blue_prec;
+  bpp = image_info->bpp;
+  bptr = buf;
+  bpl = image->bytes_per_line;
+  obuf = ((unsigned char *)image->data) + ay * bpl + ax * bpp;
+  shift_init = (bpp - 1) << 3;
+  for (y = 0; y < height; y++)
+    {
+      dmp = DM[(y_align + y) & (DM_HEIGHT - 1)];
+      obptr = obuf;
+      bp2 = bptr;
+      for (x = 0; x < width; x++)
+	{
+	  r = bp2[0];
+	  g = bp2[1];
+	  b = bp2[2];
+	  dith = dmp[(x_align + x) & (DM_WIDTH - 1)] << 2;
+	  r1 = r + (dith >> r_prec);
+	  g1 = g + ((252 - dith) >> g_prec);
+	  b1 = b + (dith >> b_prec);
+	  pixel = (((r1 - (r1 >> r_prec)) >> r_right) << r_left) |
+	    (((g1 - (g1 >> g_prec)) >> g_right) << g_left) |
+	    (((b1 - (b1 >> b_prec)) >> b_right) << b_left);
+	  for (shift = shift_init; shift >= 0; shift -= 8)
+	    {
+	      *obptr++ = (pixel >> shift) & 0xff;
+	    }
+	  bp2 += 3;
+	}
+      bptr += rowstride;
+      obuf += bpl;
+    }
+}
+
+/* This actually works for depths from 3 to 7 */
+static void
+xlib_rgb_convert_4 (XImage *image,
+		   int ax, int ay, int width, int height,
+		   unsigned char *buf, int rowstride,
+		   int x_align, int y_align,
+		   XlibRgbCmap *cmap)
+{
+  int x, y;
+  int bpl;
+  unsigned char *obuf, *obptr;
+  unsigned char *bptr, *bp2;
+  int r, g, b;
+  const unsigned char *dmp;
+  int dith;
+
+  bptr = buf;
+  bpl = image->bytes_per_line;
+  obuf = ((unsigned char *)image->data) + ay * bpl + ax;
+  for (y = 0; y < height; y++)
+    {
+      dmp = DM[(y_align + y) & (DM_HEIGHT - 1)];
+      bp2 = bptr;
+      obptr = obuf;
+      for (x = 0; x < width; x += 1)
+	{
+	  r = *bp2++;
+	  g = *bp2++;
+	  b = *bp2++;
+	  dith = (dmp[(x_align + x) & (DM_WIDTH - 1)] << 2) | 3;
+	  obptr[0] = colorcube_d[(((r + dith) & 0x100) >> 2) |
+				(((g + 258 - dith) & 0x100) >> 5) |
+				(((b + dith) & 0x100) >> 8)];
+	  obptr++;
+	}
+      bptr += rowstride;
+      obuf += bpl;
+    }
+}
+
+/* This actually works for depths from 3 to 7 */
+static void
+xlib_rgb_convert_gray4 (XImage *image,
+		       int ax, int ay, int width, int height,
+		       unsigned char *buf, int rowstride,
+		       int x_align, int y_align, XlibRgbCmap *cmap)
+{
+  int x, y;
+  int bpl;
+  unsigned char *obuf, *obptr;
+  unsigned char *bptr, *bp2;
+  int r, g, b;
+  int shift;
+
+  bptr = buf;
+  bpl = image->bytes_per_line;
+  obuf = ((unsigned char *)image->data) + ay * bpl + ax;
+  shift = 9 - image_info->visual->depth;
+  for (y = 0; y < height; y++)
+    {
+      bp2 = bptr;
+      obptr = obuf;
+      for (x = 0; x < width; x++)
+	{
+	  r = *bp2++;
+	  g = *bp2++;
+	  b = *bp2++;
+	  obptr[0] = (g + ((b + r) >> 1)) >> shift;
+	  obptr++;
+	}
+      bptr += rowstride;
+      obuf += bpl;
+    }
+}
+
+static void
+xlib_rgb_convert_gray4_pack (XImage *image,
+			    int ax, int ay, int width, int height,
+			    unsigned char *buf, int rowstride,
+			    int x_align, int y_align, XlibRgbCmap *cmap)
+{
+  int x, y;
+  int bpl;
+  unsigned char *obuf, *obptr;
+  unsigned char *bptr, *bp2;
+  int r, g, b;
+  int shift;
+  unsigned char pix0, pix1;
+  /* todo: this is hardcoded to big-endian. Make endian-agile. */
+
+  bptr = buf;
+  bpl = image->bytes_per_line;
+  obuf = ((unsigned char *)image->data) + ay * bpl + (ax >> 1);
+  shift = 9 - image_info->visual->depth;
+  for (y = 0; y < height; y++)
+    {
+      bp2 = bptr;
+      obptr = obuf;
+      for (x = 0; x < width; x += 2)
+	{
+	  r = *bp2++;
+	  g = *bp2++;
+	  b = *bp2++;
+	  pix0 = (g + ((b + r) >> 1)) >> shift;
+	  r = *bp2++;
+	  g = *bp2++;
+	  b = *bp2++;
+	  pix1 = (g + ((b + r) >> 1)) >> shift;
+	  obptr[0] = (pix0 << 4) | pix1;
+	  obptr++;
+	}
+      if (width & 1)
+	{
+	  r = *bp2++;
+	  g = *bp2++;
+	  b = *bp2++;
+	  pix0 = (g + ((b + r) >> 1)) >> shift;
+	  obptr[0] = (pix0 << 4);
+	}
+      bptr += rowstride;
+      obuf += bpl;
+    }
+}
+
+/* This actually works for depths from 3 to 7 */
+static void
+xlib_rgb_convert_gray4_d (XImage *image,
+		       int ax, int ay, int width, int height,
+		       unsigned char *buf, int rowstride,
+		       int x_align, int y_align, XlibRgbCmap *cmap)
+{
+  int x, y;
+  int bpl;
+  unsigned char *obuf, *obptr;
+  unsigned char *bptr, *bp2;
+  int r, g, b;
+  const unsigned char *dmp;
+  int prec, right;
+  int gray;
+
+  bptr = buf;
+  bpl = image->bytes_per_line;
+  obuf = ((unsigned char *)image->data) + ay * bpl + ax;
+  prec = image_info->visual->depth;
+  right = 8 - prec;
+  for (y = 0; y < height; y++)
+    {
+      bp2 = bptr;
+      obptr = obuf;
+      dmp = DM[(y_align + y) & (DM_HEIGHT - 1)];
+      for (x = 0; x < width; x++)
+	{
+	  r = *bp2++;
+	  g = *bp2++;
+	  b = *bp2++;
+	  gray = (g + ((b + r) >> 1)) >> 1;
+	  gray += (dmp[(x_align + x) & (DM_WIDTH - 1)] << 2) >> prec;
+	  obptr[0] = (gray - (gray >> prec)) >> right;
+	  obptr++;
+	}
+      bptr += rowstride;
+      obuf += bpl;
+    }
+}
+
+static void
+xlib_rgb_convert_gray4_d_pack (XImage *image,
+			      int ax, int ay, int width, int height,
+			      unsigned char *buf, int rowstride,
+			      int x_align, int y_align, XlibRgbCmap *cmap)
+{
+  int x, y;
+  int bpl;
+  unsigned char *obuf, *obptr;
+  unsigned char *bptr, *bp2;
+  int r, g, b;
+  const unsigned char *dmp;
+  int prec, right;
+  int gray;
+  unsigned char pix0, pix1;
+  /* todo: this is hardcoded to big-endian. Make endian-agile. */
+
+  bptr = buf;
+  bpl = image->bytes_per_line;
+  obuf = ((unsigned char *)image->data) + ay * bpl + (ax >> 1);
+  prec = image_info->visual->depth;
+  right = 8 - prec;
+  for (y = 0; y < height; y++)
+    {
+      bp2 = bptr;
+      obptr = obuf;
+      dmp = DM[(y_align + y) & (DM_HEIGHT - 1)];
+      for (x = 0; x < width; x += 2)
+	{
+	  r = *bp2++;
+	  g = *bp2++;
+	  b = *bp2++;
+	  gray = (g + ((b + r) >> 1)) >> 1;
+	  gray += (dmp[(x_align + x) & (DM_WIDTH - 1)] << 2) >> prec;
+	  pix0 = (gray - (gray >> prec)) >> right;
+	  r = *bp2++;
+	  g = *bp2++;
+	  b = *bp2++;
+	  gray = (g + ((b + r) >> 1)) >> 1;
+	  gray += (dmp[(x_align + x + 1) & (DM_WIDTH - 1)] << 2) >> prec;
+	  pix1 = (gray - (gray >> prec)) >> right;
+	  obptr[0] = (pix0 << 4) | pix1;
+	  obptr++;
+	}
+      if (width & 1)
+	{
+	  r = *bp2++;
+	  g = *bp2++;
+	  b = *bp2++;
+	  gray = (g + ((b + r) >> 1)) >> 1;
+	  gray += (dmp[(x_align + x + 1) & (DM_WIDTH - 1)] << 2) >> prec;
+	  pix0 = (gray - (gray >> prec)) >> right;
+	  obptr[0] = (pix0 << 4);
+	}
+      bptr += rowstride;
+      obuf += bpl;
+    }
+}
+
+static void
+xlib_rgb_convert_1 (XImage *image,
+		   int ax, int ay, int width, int height,
+		   unsigned char *buf, int rowstride,
+		   int x_align, int y_align,
+		   XlibRgbCmap *cmap)
+{
+  int x, y;
+  int bpl;
+  unsigned char *obuf, *obptr;
+  unsigned char *bptr, *bp2;
+  int r, g, b;
+  const unsigned char *dmp;
+  int dith;
+  unsigned char byte;
+
+  bptr = buf;
+  bpl = image->bytes_per_line;
+  obuf = ((unsigned char *)image->data) + ay * bpl + (ax >> 3);
+  byte = 0; /* unnecessary, but it keeps gcc from complaining */
+  for (y = 0; y < height; y++)
+    {
+      dmp = DM[(y_align + y) & (DM_HEIGHT - 1)];
+      bp2 = bptr;
+      obptr = obuf;
+      for (x = 0; x < width; x++)
+	{
+	  r = *bp2++;
+	  g = *bp2++;
+	  b = *bp2++;
+	  dith = (dmp[(x_align + x) & (DM_WIDTH - 1)] << 4) | 4;
+	  byte += byte + (r + g + g + b + dith > 1020);
+	  if ((x & 7) == 7)
+	    {
+	      obptr[0] = byte;
+	      obptr++;
+	    }
+	}
+      if (x & 7)
+	obptr[0] = byte << (8 - (x & 7));
+      bptr += rowstride;
+      obuf += bpl;
+    }
+}
+
+/* Returns a pointer to the stage buffer. */
+static unsigned char *
+xlib_rgb_ensure_stage (void)
+{
+  if (image_info->stage_buf == NULL)
+    image_info->stage_buf = malloc (IMAGE_HEIGHT * STAGE_ROWSTRIDE);
+  return image_info->stage_buf;
+}
+
+/* This is slow. Speed me up, please. */
+static void
+xlib_rgb_32_to_stage (unsigned char *buf, int rowstride, int width, int height)
+{
+  int x, y;
+  unsigned char *pi_start, *po_start;
+  unsigned char *pi, *po;
+
+  pi_start = buf;
+  po_start = xlib_rgb_ensure_stage ();
+  for (y = 0; y < height; y++)
+    {
+      pi = pi_start;
+      po = po_start;
+      for (x = 0; x < width; x++)
+	{
+	  *po++ = *pi++;
+	  *po++ = *pi++;
+	  *po++ = *pi++;
+	  pi++;
+	}
+      pi_start += rowstride;
+      po_start += STAGE_ROWSTRIDE;
+    }
+}
+
+/* Generic 32bit RGB conversion function - convert to 24bit packed, then
+   go from there. */
+static void
+xlib_rgb_convert_32_generic (XImage *image,
+			    int ax, int ay, int width, int height,
+			    unsigned char *buf, int rowstride,
+			    int x_align, int y_align, XlibRgbCmap *cmap)
+{
+  xlib_rgb_32_to_stage (buf, rowstride, width, height);
+
+  (*image_info->conv) (image, ax, ay, width, height,
+		       image_info->stage_buf, STAGE_ROWSTRIDE,
+		       x_align, y_align, cmap);
+}
+
+/* Generic 32bit RGB conversion function - convert to 24bit packed, then
+   go from there. */
+static void
+xlib_rgb_convert_32_generic_d (XImage *image,
+			      int ax, int ay, int width, int height,
+			      unsigned char *buf, int rowstride,
+			      int x_align, int y_align, XlibRgbCmap *cmap)
+{
+  xlib_rgb_32_to_stage (buf, rowstride, width, height);
+
+  (*image_info->conv_d) (image, ax, ay, width, height,
+			 image_info->stage_buf, STAGE_ROWSTRIDE,
+			 x_align, y_align, cmap);
+}
+
+/* This is slow. Speed me up, please. */
+static void
+xlib_rgb_gray_to_stage (unsigned char *buf, int rowstride, int width, int height)
+{
+  int x, y;
+  unsigned char *pi_start, *po_start;
+  unsigned char *pi, *po;
+  unsigned char gray;
+
+  pi_start = buf;
+  po_start = xlib_rgb_ensure_stage ();
+  for (y = 0; y < height; y++)
+    {
+      pi = pi_start;
+      po = po_start;
+      for (x = 0; x < width; x++)
+	{
+	  gray = *pi++;
+	  *po++ = gray;
+	  *po++ = gray;
+	  *po++ = gray;
+	}
+      pi_start += rowstride;
+      po_start += STAGE_ROWSTRIDE;
+    }
+}
+
+/* Generic gray conversion function - convert to 24bit packed, then go
+   from there. */
+static void
+xlib_rgb_convert_gray_generic (XImage *image,
+			      int ax, int ay, int width, int height,
+			      unsigned char *buf, int rowstride,
+			      int x_align, int y_align, XlibRgbCmap *cmap)
+{
+  xlib_rgb_gray_to_stage (buf, rowstride, width, height);
+
+  (*image_info->conv) (image, ax, ay, width, height,
+		       image_info->stage_buf, STAGE_ROWSTRIDE,
+		       x_align, y_align, cmap);
+}
+
+static void
+xlib_rgb_convert_gray_generic_d (XImage *image,
+				int ax, int ay, int width, int height,
+				unsigned char *buf, int rowstride,
+				int x_align, int y_align, XlibRgbCmap *cmap)
+{
+  xlib_rgb_gray_to_stage (buf, rowstride, width, height);
+
+  (*image_info->conv_d) (image, ax, ay, width, height,
+			 image_info->stage_buf, STAGE_ROWSTRIDE,
+			 x_align, y_align, cmap);
+}
+
+/* Render grayscale using indexed method. */
+static void
+xlib_rgb_convert_gray_cmap (XImage *image,
+			   int ax, int ay, int width, int height,
+			   unsigned char *buf, int rowstride,
+			   int x_align, int y_align, XlibRgbCmap *cmap)
+{
+  (*image_info->conv_indexed) (image, ax, ay, width, height,
+			       buf, rowstride,
+			       x_align, y_align, image_info->gray_cmap);
+}
+
+#if 0
+static void
+xlib_rgb_convert_gray_cmap_d (XImage *image,
+				int ax, int ay, int width, int height,
+				unsigned char *buf, int rowstride,
+				int x_align, int y_align, XlibRgbCmap *cmap)
+{
+  (*image_info->conv_indexed_d) (image, ax, ay, width, height,
+				 buf, rowstride,
+				 x_align, y_align, image_info->gray_cmap);
+}
+#endif
+
+/* This is slow. Speed me up, please. */
+static void
+xlib_rgb_indexed_to_stage (unsigned char *buf, int rowstride, int width, int height,
+			  XlibRgbCmap *cmap)
+{
+  int x, y;
+  unsigned char *pi_start, *po_start;
+  unsigned char *pi, *po;
+  int rgb;
+
+  pi_start = buf;
+  po_start = xlib_rgb_ensure_stage ();
+  for (y = 0; y < height; y++)
+    {
+      pi = pi_start;
+      po = po_start;
+      for (x = 0; x < width; x++)
+	{
+	  rgb = cmap->colors[*pi++];
+	  *po++ = rgb >> 16;
+	  *po++ = (rgb >> 8) & 0xff;
+	  *po++ = rgb & 0xff;
+	}
+      pi_start += rowstride;
+      po_start += STAGE_ROWSTRIDE;
+    }
+}
+
+/* Generic gray conversion function - convert to 24bit packed, then go
+   from there. */
+static void
+xlib_rgb_convert_indexed_generic (XImage *image,
+				 int ax, int ay, int width, int height,
+				 unsigned char *buf, int rowstride,
+				 int x_align, int y_align, XlibRgbCmap *cmap)
+{
+  xlib_rgb_indexed_to_stage (buf, rowstride, width, height, cmap);
+
+  (*image_info->conv) (image, ax, ay, width, height,
+		       image_info->stage_buf, STAGE_ROWSTRIDE,
+		       x_align, y_align, cmap);
+}
+
+static void
+xlib_rgb_convert_indexed_generic_d (XImage *image,
+				   int ax, int ay, int width, int height,
+				   unsigned char *buf, int rowstride,
+				   int x_align, int y_align,
+				   XlibRgbCmap *cmap)
+{
+  xlib_rgb_indexed_to_stage (buf, rowstride, width, height, cmap);
+
+  (*image_info->conv_d) (image, ax, ay, width, height,
+			 image_info->stage_buf, STAGE_ROWSTRIDE,
+			 x_align, y_align, cmap);
+}
+
+/* Select a conversion function based on the visual and a
+   representative image. */
+static void
+xlib_rgb_select_conv (XImage *image, ByteOrder byte_order)
+{
+  int depth, byterev;
+  int vtype; /* visual type */
+  int bpp; /* bits per pixel - from the visual */
+  uint32 red_mask, green_mask, blue_mask;
+  XlibRgbConvFunc conv, conv_d;
+  XlibRgbConvFunc conv_32, conv_32_d;
+  XlibRgbConvFunc conv_gray, conv_gray_d;
+  XlibRgbConvFunc conv_indexed, conv_indexed_d;
+  Bool mask_rgb, mask_bgr;
+
+  depth = image_info->visual->depth;
+  bpp = image->bits_per_pixel;
+  if (xlib_rgb_verbose)
+    printf ("Chose visual 0x%x, image bpp=%d, %s first\n",
+	    (int)image_info->visual->visual->visualid,
+	    bpp, byte_order == LSB_FIRST ? "lsb" : "msb");
+
+#if G_BYTE_ORDER == G_BIG_ENDIAN
+  byterev = (byte_order == LSB_FIRST);
+#else
+  byterev = (byte_order == MSB_FIRST);
+#endif
+
+  vtype = image_info->visual->class;
+  if (vtype == DirectColor)
+    vtype = TrueColor;
+
+  red_mask = image_info->visual->red_mask;
+  green_mask = image_info->visual->green_mask;
+  blue_mask = image_info->visual->blue_mask;
+
+  mask_rgb = red_mask == 0xff0000 && green_mask == 0xff00 && blue_mask == 0xff;
+  mask_bgr = red_mask == 0xff && green_mask == 0xff00 && blue_mask == 0xff0000;
+
+  conv = NULL;
+  conv_d = NULL;
+
+  conv_32 = xlib_rgb_convert_32_generic;
+  conv_32_d = xlib_rgb_convert_32_generic_d;
+
+  conv_gray = xlib_rgb_convert_gray_generic;
+  conv_gray_d = xlib_rgb_convert_gray_generic_d;
+
+  conv_indexed = xlib_rgb_convert_indexed_generic;
+  conv_indexed_d = xlib_rgb_convert_indexed_generic_d;
+
+  image_info->dith_default = FALSE;
+
+  if (image_info->bitmap)
+    conv = xlib_rgb_convert_1;
+  else if (bpp == 16 && depth == 16 && !byterev &&
+      red_mask == 0xf800 && green_mask == 0x7e0 && blue_mask == 0x1f)
+    {
+      conv = xlib_rgb_convert_565;
+      conv_d = xlib_rgb_convert_565_d;
+      conv_gray = xlib_rgb_convert_565_gray;
+      xlib_rgb_preprocess_dm_565 ();
+    }
+  else if (bpp == 16 && depth == 16 &&
+	   vtype == TrueColor&& byterev &&
+      red_mask == 0xf800 && green_mask == 0x7e0 && blue_mask == 0x1f)
+    conv = xlib_rgb_convert_565_br;
+
+  else if (bpp == 16 && depth == 15 &&
+	   vtype == TrueColor && !byterev &&
+      red_mask == 0x7c00 && green_mask == 0x3e0 && blue_mask == 0x1f)
+    conv = xlib_rgb_convert_555;
+
+  else if (bpp == 16 && depth == 15 &&
+	   vtype == TrueColor && byterev &&
+      red_mask == 0x7c00 && green_mask == 0x3e0 && blue_mask == 0x1f)
+    conv = xlib_rgb_convert_555_br;
+
+  /* I'm not 100% sure about the 24bpp tests - but testing will show*/
+  else if (bpp == 24 && depth == 24 && vtype == TrueColor &&
+	   ((mask_rgb && byte_order == LSB_FIRST) ||
+	    (mask_bgr && byte_order == MSB_FIRST)))
+    conv = xlib_rgb_convert_888_lsb;
+  else if (bpp == 24 && depth == 24 && vtype == TrueColor &&
+	   ((mask_rgb && byte_order == MSB_FIRST) ||
+	    (mask_bgr && byte_order == LSB_FIRST)))
+    conv = xlib_rgb_convert_888_msb;
+#if G_BYTE_ORDER == G_BIG_ENDIAN
+  else if (bpp == 32 && depth == 24 && vtype == TrueColor &&
+	   (mask_rgb && byte_order == LSB_FIRST))
+    conv = xlib_rgb_convert_0888_br;
+  else if (bpp == 32 && depth == 24 && vtype == TrueColor &&
+	   (mask_rgb && byte_order == MSB_FIRST))
+    conv = xlib_rgb_convert_0888;
+  else if (bpp == 32 && depth == 24 && vtype == TrueColor &&
+	   (mask_bgr && byte_order == MSB_FIRST))
+    conv = xlib_rgb_convert_8880_br;
+#else
+  else if (bpp == 32 && depth == 24 && vtype == TrueColor &&
+	   (mask_rgb && byte_order == MSB_FIRST))
+    conv = xlib_rgb_convert_0888_br;
+  else if (bpp == 32 && (depth == 32 || depth == 24) && vtype == TrueColor &&
+	   (mask_rgb && byte_order == LSB_FIRST))
+    conv = xlib_rgb_convert_0888;
+  else if (bpp == 32 && depth == 24 && vtype == TrueColor &&
+	   (mask_bgr && byte_order == LSB_FIRST))
+    conv = xlib_rgb_convert_8880_br;
+#endif
+
+  else if (vtype == TrueColor && byte_order == LSB_FIRST)
+    {
+      conv = xlib_rgb_convert_truecolor_lsb;
+      conv_d = xlib_rgb_convert_truecolor_lsb_d;
+    }
+  else if (vtype == TrueColor && byte_order == MSB_FIRST)
+    {
+      conv = xlib_rgb_convert_truecolor_msb;
+      conv_d = xlib_rgb_convert_truecolor_msb_d;
+    }
+  else if (bpp == 8 && depth == 8 && (vtype == PseudoColor
+#ifdef ENABLE_GRAYSCALE
+				      || vtype == GrayScale
+#endif
+				      ))
+    {
+      image_info->dith_default = TRUE;
+      conv = xlib_rgb_convert_8;
+      if (vtype != GrayScale)
+	{
+	  if (image_info->nred_shades == 6 &&
+	      image_info->ngreen_shades == 6 &&
+	      image_info->nblue_shades == 6)
+	    conv_d = xlib_rgb_convert_8_d666;
+	  else
+	    conv_d = xlib_rgb_convert_8_d;
+	}
+      conv_indexed = xlib_rgb_convert_8_indexed;
+      conv_gray = xlib_rgb_convert_gray_cmap;
+    }
+  else if (bpp == 8 && depth == 8 && (vtype == StaticGray
+#ifdef not_ENABLE_GRAYSCALE
+				      || vtype == GrayScale
+#endif
+				      ))
+    {
+      conv = xlib_rgb_convert_gray8;
+      conv_gray = xlib_rgb_convert_gray8_gray;
+    }
+  else if (bpp == 8 && depth < 8 && depth >= 2 &&
+	   (vtype == StaticGray
+	    || vtype == GrayScale))
+    {
+      conv = xlib_rgb_convert_gray4;
+      conv_d = xlib_rgb_convert_gray4_d;
+    }
+  else if (bpp == 8 && depth < 8 && depth >= 3)
+    {
+      conv = xlib_rgb_convert_4;
+    }
+  else if (bpp == 4 && depth <= 4 && depth >= 2 &&
+	   (vtype == StaticGray
+	    || vtype == GrayScale))
+    {
+      conv = xlib_rgb_convert_gray4_pack;
+      conv_d = xlib_rgb_convert_gray4_d_pack;
+    }
+
+  if (conv_d == NULL)
+    conv_d = conv;
+
+  image_info->conv = conv;
+  image_info->conv_d = conv_d;
+
+  image_info->conv_32 = conv_32;
+  image_info->conv_32_d = conv_32_d;
+
+  image_info->conv_gray = conv_gray;
+  image_info->conv_gray_d = conv_gray_d;
+
+  image_info->conv_indexed = conv_indexed;
+  image_info->conv_indexed_d = conv_indexed_d;
+}
+
+static int horiz_idx;
+static int horiz_y = IMAGE_HEIGHT;
+static int vert_idx;
+static int vert_x = IMAGE_WIDTH;
+static int tile_idx;
+static int tile_x = IMAGE_WIDTH;
+static int tile_y1 = IMAGE_HEIGHT;
+static int tile_y2 = IMAGE_HEIGHT;
+
+#ifdef VERBOSE
+static int sincelast;
+#endif
+
+/* Defining NO_FLUSH can cause inconsistent screen updates, but is useful
+   for performance evaluation. */
+
+#undef NO_FLUSH
+
+static int
+xlib_rgb_alloc_scratch_image (void)
+{
+  if (static_image_idx == N_IMAGES)
+    {
+#ifndef NO_FLUSH
+      XFlush(image_info->display);
+#endif
+#ifdef VERBOSE
+      printf ("flush, %d puts since last flush\n", sincelast);
+      sincelast = 0;
+#endif
+      static_image_idx = 0;
+      horiz_y = IMAGE_HEIGHT;
+      vert_x = IMAGE_WIDTH;
+      tile_x = IMAGE_WIDTH;
+      tile_y1 = tile_y2 = IMAGE_HEIGHT;
+    }
+  return static_image_idx++;
+}
+
+static XImage *
+xlib_rgb_alloc_scratch (int width, int height, int *ax, int *ay)
+{
+  XImage *image;
+  int idx;
+
+  if (width >= (IMAGE_WIDTH >> 1))
+    {
+      if (height >= (IMAGE_HEIGHT >> 1))
+	{
+	  idx = xlib_rgb_alloc_scratch_image ();
+	  *ax = 0;
+	  *ay = 0;
+	}
+      else
+	{
+	  if (height + horiz_y > IMAGE_HEIGHT)
+	    {
+	      horiz_idx = xlib_rgb_alloc_scratch_image ();
+	      horiz_y = 0;
+	    }
+	  idx = horiz_idx;
+	  *ax = 0;
+	  *ay = horiz_y;
+	  horiz_y += height;
+	}
+    }
+  else
+    {
+      if (height >= (IMAGE_HEIGHT >> 1))
+	{
+	  if (width + vert_x > IMAGE_WIDTH)
+	    {
+	      vert_idx = xlib_rgb_alloc_scratch_image ();
+	      vert_x = 0;
+	    }
+	  idx = vert_idx;
+	  *ax = vert_x;
+	  *ay = 0;
+	  /* using 3 and -4 would be slightly more efficient on 32-bit machines
+	     with > 1bpp displays */
+	  vert_x += (width + 7) & -8;
+	}
+      else
+	{
+	  if (width + tile_x > IMAGE_WIDTH)
+	    {
+	      tile_y1 = tile_y2;
+	      tile_x = 0;
+	    }
+	  if (height + tile_y1 > IMAGE_HEIGHT)
+	    {
+	      tile_idx = xlib_rgb_alloc_scratch_image ();
+	      tile_x = 0;
+	      tile_y1 = 0;
+	      tile_y2 = 0;
+	    }
+	  if (height + tile_y1 > tile_y2)
+	    tile_y2 = height + tile_y1;
+	  idx = tile_idx;
+	  *ax = tile_x;
+	  *ay = tile_y1;
+	  tile_x += (width + 7) & -8;
+	}
+    }
+  image = static_image[idx];
+#ifdef VERBOSE
+  printf ("index %d, x %d, y %d (%d x %d)\n", idx, *ax, *ay, width, height);
+  sincelast++;
+#endif
+  return image;
+}
+
+static void
+xlib_draw_rgb_image_core (Drawable drawable,
+			  GC gc,
+			  int x,
+			  int y,
+			  int width,
+			  int height,
+			  unsigned char *buf,
+			  int pixstride,
+			  int rowstride,
+			  XlibRgbConvFunc conv,
+			  XlibRgbCmap *cmap,
+			  int xdith,
+			  int ydith)
+{
+  int ay, ax;
+  int xs0, ys0;
+  XImage *image;
+  int width1, height1;
+  unsigned char *buf_ptr;
+
+  if (image_info->bitmap)
+    {
+      if (image_info->own_gc == 0)
+	{
+	  XColor color;
+
+	  image_info->own_gc = XCreateGC(image_info->display,
+					 drawable,
+					 0, NULL);
+	  color.pixel = WhitePixel(image_info->display,
+				   image_info->screen_num);
+	  XSetForeground(image_info->display, image_info->own_gc, color.pixel);
+	  color.pixel = BlackPixel(image_info->display,
+				   image_info->screen_num);
+	  XSetBackground(image_info->display, image_info->own_gc, color.pixel);
+	}
+      gc = image_info->own_gc;
+    }
+  for (ay = 0; ay < height; ay += IMAGE_HEIGHT)
+    {
+      height1 = MIN (height - ay, IMAGE_HEIGHT);
+      for (ax = 0; ax < width; ax += IMAGE_WIDTH)
+	{
+	  width1 = MIN (width - ax, IMAGE_WIDTH);
+	  buf_ptr = buf + ay * rowstride + ax * pixstride;
+
+	  image = xlib_rgb_alloc_scratch (width1, height1, &xs0, &ys0);
+
+	  conv (image, xs0, ys0, width1, height1, buf_ptr, rowstride,
+		x + ax + xdith, y + ay + ydith, cmap);
+
+#ifndef DONT_ACTUALLY_DRAW
+	  XPutImage(image_info->display, drawable, gc, image,
+		    xs0, ys0, x + ax, y + ay, (unsigned int)width1, (unsigned int)height1);
+#endif
+	}
+    }
+}
+
+
+void
+xlib_draw_rgb_image (Drawable drawable,
+		     GC gc,
+		     int x,
+		     int y,
+		     int width,
+		     int height,
+		     XlibRgbDither dith,
+		     unsigned char *rgb_buf,
+		     int rowstride)
+{
+  if (dith == XLIB_RGB_DITHER_NONE || (dith == XLIB_RGB_DITHER_NORMAL &&
+				      !image_info->dith_default))
+    xlib_draw_rgb_image_core (drawable, gc, x, y, width, height,
+			      rgb_buf, 3, rowstride, image_info->conv, NULL,
+			      0, 0);
+  else
+    xlib_draw_rgb_image_core (drawable, gc, x, y, width, height,
+			      rgb_buf, 3, rowstride, image_info->conv_d, NULL,
+			      0, 0);
+}
+
+void
+xlib_draw_rgb_image_dithalign (Drawable drawable,
+			      GC gc,
+			      int x,
+			      int y,
+			      int width,
+			      int height,
+			      XlibRgbDither dith,
+			      unsigned char *rgb_buf,
+			      int rowstride,
+			      int xdith,
+			      int ydith)
+{
+  if (dith == XLIB_RGB_DITHER_NONE || (dith == XLIB_RGB_DITHER_NORMAL &&
+				       !image_info->dith_default))
+    xlib_draw_rgb_image_core (drawable, gc, x, y, width, height,
+			      rgb_buf, 3, rowstride, image_info->conv, NULL,
+			      xdith, ydith);
+  else
+    xlib_draw_rgb_image_core (drawable, gc, x, y, width, height,
+			      rgb_buf, 3, rowstride, image_info->conv_d, NULL,
+			      xdith, ydith);
+}
+
+void
+xlib_draw_rgb_32_image (Drawable drawable,
+			GC gc,
+			int x,
+			int y,
+			int width,
+			int height,
+			XlibRgbDither dith,
+			unsigned char *buf,
+			int rowstride)
+{
+  if (dith == XLIB_RGB_DITHER_NONE || (dith == XLIB_RGB_DITHER_NORMAL &&
+				       !image_info->dith_default))
+    xlib_draw_rgb_image_core (drawable, gc, x, y, width, height,
+			      buf, 4, rowstride,
+			      image_info->conv_32, NULL, 0, 0);
+  else
+    xlib_draw_rgb_image_core (drawable, gc, x, y, width, height,
+			      buf, 4, rowstride,
+			      image_info->conv_32_d, NULL, 0, 0);
+}
+
+static void
+xlib_rgb_make_gray_cmap (XlibRgbInfo *info)
+{
+  uint32 rgb[256];
+  int i;
+
+  for (i = 0; i < 256; i++)
+    rgb[i] = (i << 16)  | (i << 8) | i;
+  info->gray_cmap = xlib_rgb_cmap_new (rgb, 256);
+}
+
+void
+xlib_draw_gray_image (Drawable drawable,
+		      GC gc,
+		      int x,
+		      int y,
+		      int width,
+		      int height,
+		      XlibRgbDither dith,
+		      unsigned char *buf,
+		      int rowstride)
+{
+  if (image_info->bpp == 1 &&
+      image_info->gray_cmap == NULL &&
+      (image_info->visual->class == PseudoColor ||
+       image_info->visual->class == GrayScale))
+    xlib_rgb_make_gray_cmap (image_info);
+  
+  if (dith == XLIB_RGB_DITHER_NONE || (dith == XLIB_RGB_DITHER_NORMAL &&
+				      !image_info->dith_default))
+    xlib_draw_rgb_image_core (drawable, gc, x, y, width, height,
+			      buf, 1, rowstride,
+			      image_info->conv_gray, NULL, 0, 0);
+  else
+    xlib_draw_rgb_image_core (drawable, gc, x, y, width, height,
+			      buf, 1, rowstride,
+			      image_info->conv_gray_d, NULL, 0, 0);
+}
+
+XlibRgbCmap *
+xlib_rgb_cmap_new (uint32 *colors, int n_colors)
+{
+  XlibRgbCmap *cmap;
+  int i, j;
+  uint32 rgb;
+
+  if (n_colors < 0)
+    return NULL;
+  if (n_colors > 256)
+    return NULL;
+  cmap = malloc(sizeof(XlibRgbCmap));
+  memcpy (cmap->colors, colors, n_colors * sizeof(uint32));
+  if (image_info->bpp == 1 &&
+      (image_info->visual->class == PseudoColor ||
+       image_info->visual->class == GrayScale))
+    for (i = 0; i < n_colors; i++)
+      {
+	rgb = colors[i];
+	j = ((rgb & 0xf00000) >> 12) |
+		   ((rgb & 0xf000) >> 8) |
+		   ((rgb & 0xf0) >> 4);
+#ifdef VERBOSE
+	printf ("%d %x %x %d\n", i, j, colorcube[j]);
+#endif
+	cmap->lut[i] = colorcube[j];
+      }
+  return cmap;
+}
+
+void
+xlib_rgb_cmap_free (XlibRgbCmap *cmap)
+{
+  free (cmap);
+}
+
+void
+xlib_draw_indexed_image (Drawable drawable,
+			GC gc,
+			int x,
+			int y,
+			int width,
+			int height,
+			XlibRgbDither dith,
+			unsigned char *buf,
+			int rowstride,
+			XlibRgbCmap *cmap)
+{
+  if (dith == XLIB_RGB_DITHER_NONE || (dith == XLIB_RGB_DITHER_NORMAL &&
+				       !image_info->dith_default))
+    xlib_draw_rgb_image_core (drawable, gc, x, y, width, height,
+			      buf, 1, rowstride,
+			      image_info->conv_indexed, cmap, 0, 0);
+  else
+    xlib_draw_rgb_image_core (drawable, gc, x, y, width, height,
+			      buf, 1, rowstride,
+			      image_info->conv_indexed_d, cmap, 0, 0);
+}
+
+Bool
+xlib_rgb_ditherable (void)
+{
+  return (image_info->conv != image_info->conv_d);
+}
+
+Colormap
+xlib_rgb_get_cmap (void)
+{
+  /* xlib_rgb_init (); */
+  if (image_info)
+    return image_info->cmap;
+  else
+    return 0;
+}
+
+Visual *
+xlib_rgb_get_visual (void)
+{
+  /* xlib_rgb_init (); */
+  if (image_info)
+    return image_info->visual->visual;
+  else
+    return 0;
+}
+
diff --git a/mozilla/gfx/src/xlib/xlibrgb.h b/mozilla/gfx/src/xlib/xlibrgb.h
new file mode 100644
index 00000000000..6cefc2ab83f
--- /dev/null
+++ b/mozilla/gfx/src/xlib/xlibrgb.h
@@ -0,0 +1,167 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Mozilla Public License
+ * Version 1.1 (the "MPL"); you may not use this file except in
+ * compliance with the MPL.  You may obtain a copy of the MPL at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the MPL is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the MPL
+ * for the specific language governing rights and limitations under the
+ * MPL.
+ *
+ * Alternatively, the contents of this file may be used under the
+ * terms of the GNU Library General Public License (the "LGPL"), in
+ * which case the provisions of the LGPL are applicable instead of
+ * those above.  If you wish to allow use of your version of this file
+ * only under the terms of the LGPL and not to allow others to use
+ * your version of this file under the MPL, indicate your decision by
+ * deleting the provisions above and replace them with the notice and
+ * other provisions required by the LGPL.  If you do not delete the
+ * provisions above, a recipient may use your version of this file
+ * under either the MPL or the LGPL.
+ */
+
+/*
+ * This code is derived from GdkRgb.
+ * For more information on GdkRgb, see http://www.levien.com/gdkrgb/
+ * Raph Levien <raph@acm.org>
+ */
+
+/* Ported by Christopher Blizzard to Xlib.  With permission from the
+ * original authors of this file, the contents of this file are also
+ * redistributable under the terms of the Mozilla Public license.  For
+ * information about the Mozilla Public License, please see the
+ * license information at http://www.mozilla.org/MPL/
+ */
+
+
+#ifndef __XLIB_RGB_H__
+#define __XLIB_RGB_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/Xos.h>
+#include <X11/Intrinsic.h>
+
+typedef struct _XlibRgbCmap XlibRgbCmap;
+
+struct _XlibRgbCmap {
+  unsigned int colors[256];
+  unsigned char lut[256]; /* for 8-bit modes */
+};
+
+void
+xlib_rgb_init (Display *display, Screen *screen);
+
+unsigned long
+xlib_rgb_xpixel_from_rgb (unsigned int rgb);
+
+void
+xlib_rgb_gc_set_foreground (GC gc, unsigned int rgb);
+
+void
+xlib_rgb_gc_set_background (GC gc, unsigned int rgb);
+
+typedef enum
+{
+  XLIB_RGB_DITHER_NONE,
+  XLIB_RGB_DITHER_NORMAL,
+  XLIB_RGB_DITHER_MAX
+} XlibRgbDither;
+
+void
+xlib_draw_rgb_image (Drawable drawable,
+		     GC gc,
+		     int x,
+		     int y,
+		     int width,
+		     int height,
+		     XlibRgbDither dith,
+		     unsigned char *rgb_buf,
+		     int rowstride);
+
+void
+xlib_draw_rgb_image_dithalign (Drawable drawable,
+			       GC gc,
+			       int x,
+			       int y,
+			       int width,
+			       int height,
+			       XlibRgbDither dith,
+			       unsigned char *rgb_buf,
+			       int rowstride,
+			       int xdith,
+			       int ydith);
+
+void
+xlib_draw_rgb_32_image (Drawable drawable,
+			GC gc,
+			int x,
+			int y,
+			int width,
+			int height,
+			XlibRgbDither dith,
+			unsigned char *buf,
+			int rowstride);
+
+void
+xlib_draw_gray_image (Drawable drawable,
+		      GC gc,
+		      int x,
+		      int y,
+		      int width,
+		      int height,
+		      XlibRgbDither dith,
+		      unsigned char *buf,
+		      int rowstride);
+
+XlibRgbCmap *
+xlib_rgb_cmap_new (unsigned int *colors, int n_colors);
+
+void
+xlib_rgb_cmap_free (XlibRgbCmap *cmap);
+
+void
+xlib_draw_indexed_image (Drawable drawable,
+                         GC gc,
+                         int x,
+                         int y,
+                         int width,
+                         int height,
+                         XlibRgbDither dith,
+                         unsigned char *buf,
+                         int rowstride,
+                         XlibRgbCmap *cmap);
+
+/* Below are some functions which are primarily useful for debugging
+   and experimentation. */
+Bool
+xlib_rgb_ditherable (void);
+
+void
+xlib_rgb_set_verbose (Bool verbose);
+
+/* experimental colormap stuff */
+void
+xlib_rgb_set_install (Bool install);
+
+void
+xlib_rgb_set_min_colors (int min_colors);
+
+Colormap
+xlib_rgb_get_cmap (void);
+
+Visual *
+xlib_rgb_get_visual (void);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+#endif /* __XLIB_RGB_H__ */
diff --git a/mozilla/widget/src/xlib/nsAppShell.cpp b/mozilla/widget/src/xlib/nsAppShell.cpp
index 37914e68e7b..47c8952093f 100644
--- a/mozilla/widget/src/xlib/nsAppShell.cpp
+++ b/mozilla/widget/src/xlib/nsAppShell.cpp
@@ -31,12 +31,60 @@ static PRUint8 getShiftForMask(unsigned long val);
 static NS_DEFINE_IID(kEventQueueServiceCID, NS_EVENTQUEUESERVICE_CID);
 static NS_DEFINE_IID(kIEventQueueServiceIID, NS_IEVENTQUEUESERVICE_IID);
 
+extern "C"
+void
+xlib_rgb_init (Display *display, Screen *screen);
+
+extern "C"
+Visual *
+xlib_rgb_get_visual (void);
+
 // this is so that we can get the timers in the base.  most widget
 // toolkits do this through some set of globals.  not here though.  we
 // don't have that luxury
 extern "C" int NS_TimeToNextTimeout(struct timeval *);
 extern "C" void NS_ProcessTimeouts(void);
 
+
+// For debugging.
+static char *event_names[] = {
+  "",
+  "",
+  "KeyPress",
+  "KeyRelease",
+  "ButtonPress",
+  "ButtonRelease",
+  "MotionNotify",
+  "EnterNotify",
+  "LeaveNotify",
+  "FocusIn",
+  "FocusOut",
+  "KeymapNotify",
+  "Expose",
+  "GraphicsExpose",
+  "NoExpose",
+  "VisibilityNotify",
+  "CreateNotify",
+  "DestroyNotify",
+  "UnmapNotify",
+  "MapNotify",
+  "MapRequest",
+  "ReparentNotify",
+  "ConfigureNotify",
+  "ConfigureRequest",
+  "GravityNotify",
+  "ResizeRequest",
+  "CirculateNotify",
+  "CirculateRequest",
+  "PropertyNotify",
+  "SelectionClear",
+  "SelectionRequest",
+  "SelectionNotify",
+  "ColormapNotify",
+  "ClientMessage",
+  "MappingNotify"
+};
+
 NS_IMPL_ADDREF(nsAppShell)
 NS_IMPL_RELEASE(nsAppShell)
 
@@ -70,11 +118,14 @@ NS_METHOD nsAppShell::Create(int* argc, char ** argv)
             argv[0], XDisplayName(NULL));
     exit(1);
   }
-  // set the static vars for this class so we can find our
-  // way around...
   gScreenNum = DefaultScreen(gDisplay);
   gScreen = DefaultScreenOfDisplay(gDisplay);
-  gVisual = DefaultVisual(gDisplay, gScreenNum);
+  // init the rgb layer.  this will provide
+  // the visual information for us.
+  xlib_rgb_init(gDisplay, gScreen);
+  gVisual = xlib_rgb_get_visual();
+  // set the static vars for this class so we can find our
+  // way around...
   vis_template.visualid = XVisualIDFromVisual(gVisual);
   gVisualInfo = XGetVisualInfo(gDisplay, VisualIDMask,
                                &vis_template, &num_visuals);
@@ -85,7 +136,7 @@ NS_METHOD nsAppShell::Create(int* argc, char ** argv)
     printf("nsAppShell:Create(): Warning: %d XVisualInfo structs were returned.\n", num_visuals);
   }
   // get the depth for this display
-  gDepth = DefaultDepth(gDisplay, gScreenNum);
+  gDepth = gVisualInfo->depth;
   // set up the color info for this display
   // set up the masks
   gRedMask = gVisualInfo->red_mask;
@@ -108,6 +159,7 @@ NS_METHOD nsAppShell::Create(int* argc, char ** argv)
 
 NS_METHOD nsAppShell::SetDispatchListener(nsDispatchListener* aDispatchListener) 
 {
+  mDispatchListener = aDispatchListener;
   return NS_OK;
 }
 
@@ -199,6 +251,7 @@ nsresult nsAppShell::Run()
     if (FD_ISSET(xlib_fd, &select_set)) {
       //printf("xlib data available.\n");
       XNextEvent(gDisplay, &event);
+      DispatchEvent(&event);
     }
     if (please_run_timer_queue) {
       //printf("Running timer queue...\n");
@@ -242,6 +295,13 @@ void* nsAppShell::GetNativeData(PRUint32 aDataType)
   return nsnull;
 }
 
+void
+nsAppShell::DispatchEvent(XEvent *event)
+{
+  printf("Window %ld Got a %s event\n",
+         event->xany.window, event_names[event->type]);
+}
+
 static PRUint8 convertMaskToCount(unsigned long val)
 {
   PRUint8 retval = 0;
diff --git a/mozilla/widget/src/xlib/nsAppShell.h b/mozilla/widget/src/xlib/nsAppShell.h
index db28c69063f..002463da5c1 100644
--- a/mozilla/widget/src/xlib/nsAppShell.h
+++ b/mozilla/widget/src/xlib/nsAppShell.h
@@ -49,6 +49,7 @@ class nsAppShell : public nsIAppShell
   
  private:
   nsDispatchListener*     mDispatchListener;
+  void DispatchEvent(XEvent *event);
 
 protected:
   nsIEventQueueService * mEventQueueService;
diff --git a/mozilla/widget/src/xlib/nsComboBox.cpp b/mozilla/widget/src/xlib/nsComboBox.cpp
index 368a99382cd..0ab14d5bd58 100644
--- a/mozilla/widget/src/xlib/nsComboBox.cpp
+++ b/mozilla/widget/src/xlib/nsComboBox.cpp
@@ -119,11 +119,6 @@ PRInt32 nsComboBox::GetHeight(PRInt32 aProposedHeight)
   return 0;
 }
 
-NS_METHOD nsComboBox::GetBounds(nsRect &aRect)
-{
-  return NS_OK;
-}
-
 NS_METHOD nsComboBox::Paint(nsIRenderingContext& aRenderingContext,
                               const nsRect& aDirtyRect)
 {
diff --git a/mozilla/widget/src/xlib/nsComboBox.h b/mozilla/widget/src/xlib/nsComboBox.h
index 23814a17cc6..96ad32e76d0 100644
--- a/mozilla/widget/src/xlib/nsComboBox.h
+++ b/mozilla/widget/src/xlib/nsComboBox.h
@@ -41,9 +41,6 @@ public:
     virtual PRBool OnPaint();
     virtual PRBool OnResize(nsRect &aWindowRect);
 
-    // nsIWidget
-    NS_IMETHOD     GetBounds(nsRect &aRect);
-
     // nsIComboBox interface
     NS_IMETHOD      AddItemAt(nsString &aItem, PRInt32 aPosition);
     virtual PRInt32 FindItem(nsString &aItem, PRInt32 aStartPos);
diff --git a/mozilla/widget/src/xlib/nsDialog.cpp b/mozilla/widget/src/xlib/nsDialog.cpp
index 3beff9fdeed..42e2442997f 100644
--- a/mozilla/widget/src/xlib/nsDialog.cpp
+++ b/mozilla/widget/src/xlib/nsDialog.cpp
@@ -26,17 +26,6 @@ nsDialog::nsDialog() : nsWidget(), nsIDialog()
   NS_INIT_REFCNT();
 }
 
-NS_METHOD nsDialog::Create(nsIWidget *aParent,
-                      const nsRect &aRect,
-                      EVENT_CALLBACK aHandleEventFunction,
-                      nsIDeviceContext *aContext,
-                      nsIAppShell *aAppShell,
-                      nsIToolkit *aToolkit,
-                      nsWidgetInitData *aInitData)
-{
-  return NS_OK;
-}
-
 nsDialog::~nsDialog()
 {
 }
@@ -80,7 +69,4 @@ PRBool nsDialog::OnResize(nsRect &aWindowRect)
   return PR_FALSE;
 }
 
-NS_METHOD nsDialog::GetBounds(nsRect &aRect)
-{
-  return NS_OK;
-}
+
diff --git a/mozilla/widget/src/xlib/nsDialog.h b/mozilla/widget/src/xlib/nsDialog.h
index b02522168ad..718979a9a6a 100644
--- a/mozilla/widget/src/xlib/nsDialog.h
+++ b/mozilla/widget/src/xlib/nsDialog.h
@@ -30,14 +30,6 @@ public:
   nsDialog();
   virtual ~nsDialog();
 
-  NS_IMETHOD    Create(nsIWidget *aParent,
-                       const nsRect &aRect,
-                       EVENT_CALLBACK aHandleEventFunction,
-                       nsIDeviceContext *aContext,
-                       nsIAppShell *aAppShell = nsnull,
-                       nsIToolkit *aToolkit = nsnull,
-                       nsWidgetInitData *aInitData = nsnull);
-
   // nsISupports
   NS_IMETHOD QueryInterface(REFNSIID aIID, void** aInstancePtr);                           
   NS_IMETHOD_(nsrefcnt) AddRef(void);                                       
@@ -50,7 +42,6 @@ public:
   virtual PRBool OnMove(PRInt32 aX, PRInt32 aY);
   virtual PRBool OnPaint();
   virtual PRBool OnResize(nsRect &aWindowRect);
-  NS_IMETHOD     GetBounds(nsRect &aRect);
 
 protected:
 };
diff --git a/mozilla/widget/src/xlib/nsLabel.cpp b/mozilla/widget/src/xlib/nsLabel.cpp
index 59acd1afbe6..c88941bcd36 100644
--- a/mozilla/widget/src/xlib/nsLabel.cpp
+++ b/mozilla/widget/src/xlib/nsLabel.cpp
@@ -89,7 +89,4 @@ NS_METHOD nsLabel::SetPreferredSize(PRInt32 aWidth, PRInt32 aHeight)
   return NS_OK;
 }
 
-NS_METHOD nsLabel::GetBounds(nsRect &aRect)
-{
-  return NS_OK;
-}
+
diff --git a/mozilla/widget/src/xlib/nsLabel.h b/mozilla/widget/src/xlib/nsLabel.h
index 53705f7c50d..c8c352473dd 100644
--- a/mozilla/widget/src/xlib/nsLabel.h
+++ b/mozilla/widget/src/xlib/nsLabel.h
@@ -48,7 +48,6 @@ public:
   virtual PRBool OnPaint();
   virtual PRBool OnResize(nsRect &aWindowRect);
 
-  NS_IMETHOD   GetBounds(nsRect &aRect);
   NS_IMETHOD   PreCreateWidget(nsWidgetInitData *aInitData);
 
   NS_IMETHOD GetPreferredSize(PRInt32& aWidth, PRInt32& aHeight);
diff --git a/mozilla/widget/src/xlib/nsListBox.cpp b/mozilla/widget/src/xlib/nsListBox.cpp
index 93e0fb33f0a..f11538bb0ee 100644
--- a/mozilla/widget/src/xlib/nsListBox.cpp
+++ b/mozilla/widget/src/xlib/nsListBox.cpp
@@ -142,7 +142,4 @@ PRBool nsListBox::AutoErase()
   return(PR_TRUE);
 }
 
-NS_METHOD nsListBox::GetBounds(nsRect &aRect)
-{
-   return NS_OK;
-}
+
diff --git a/mozilla/widget/src/xlib/nsListBox.h b/mozilla/widget/src/xlib/nsListBox.h
index b73c23bc9e3..7054acb5638 100644
--- a/mozilla/widget/src/xlib/nsListBox.h
+++ b/mozilla/widget/src/xlib/nsListBox.h
@@ -44,8 +44,6 @@ public:
   virtual PRBool    OnPaint();
   virtual PRBool    OnResize(nsRect &aWindowRect);
 
-  NS_IMETHOD        GetBounds(nsRect &aRect);
-
 
   // nsIListBox interface
   NS_IMETHOD SetMultipleSelection(PRBool aMultipleSelections);
diff --git a/mozilla/widget/src/xlib/nsLookAndFeel.cpp b/mozilla/widget/src/xlib/nsLookAndFeel.cpp
index 343b0bc9e10..5778913f822 100644
--- a/mozilla/widget/src/xlib/nsLookAndFeel.cpp
+++ b/mozilla/widget/src/xlib/nsLookAndFeel.cpp
@@ -24,24 +24,118 @@ NS_IMPL_ISUPPORTS(nsLookAndFeel, kILookAndFeelIID)
 
 nsLookAndFeel::nsLookAndFeel() : nsILookAndFeel()
 {
-  NS_INIT_REFCNT();
+    NS_INIT_REFCNT();
+    printf("nsLookAndFeel::nsLookAndFeel()\n");
 }
 
 nsLookAndFeel::~nsLookAndFeel()
 {
+    printf("nsLookAndFeel::~nsLookAndFeel()\n");
 }
 
 NS_IMETHODIMP nsLookAndFeel::GetColor(const nsColorID aID, nscolor &aColor)
 {
-  return NS_OK;
+    printf("nsLookAndFeel::GetColor()\n");
+    return NS_OK;
 }
 
 NS_IMETHODIMP nsLookAndFeel::GetMetric(const nsMetricID aID, PRInt32 & aMetric)
 {
-  return NS_OK;
+    printf("nsLookAndFeel::GetMetric()\n");
+    // XXX These are not complete!
+    nsresult res = NS_OK;
+    switch (aID) { 
+    case eMetric_WindowTitleHeight:
+        aMetric = 20;
+        break;
+    case eMetric_WindowBorderWidth:
+        aMetric = 1;
+        break;
+    case eMetric_WindowBorderHeight:
+        aMetric = 1;
+        break;
+    case eMetric_Widget3DBorder:
+        aMetric = 1;
+        break;
+    case eMetric_TextFieldHeight:
+        aMetric = 24;
+        break;
+    case eMetric_ButtonHorizontalInsidePaddingNavQuirks:
+        aMetric = 10;
+        break;
+    case eMetric_ButtonHorizontalInsidePaddingOffsetNavQuirks:
+        aMetric = 8;
+        break;
+    case eMetric_CheckboxSize:
+        aMetric = 12;
+        break;
+    case eMetric_RadioboxSize:
+        aMetric = 12;
+        break;
+    case eMetric_TextHorizontalInsideMinimumPadding:
+        aMetric = 3;
+        break;
+    case eMetric_TextVerticalInsidePadding:
+        aMetric = 0;
+        break;
+    case eMetric_TextShouldUseVerticalInsidePadding:
+        aMetric = 0;
+        break;
+    case eMetric_TextShouldUseHorizontalInsideMinimumPadding:
+        aMetric = 1;
+        break;
+    case eMetric_ListShouldUseHorizontalInsideMinimumPadding:
+        aMetric = 0;
+        break;
+    case eMetric_ListHorizontalInsideMinimumPadding:
+        aMetric = 3;
+        break;
+    case eMetric_ListShouldUseVerticalInsidePadding:
+        aMetric = 0;
+        break;
+    case eMetric_ListVerticalInsidePadding:
+        aMetric = 0;
+        break;
+    default:
+        aMetric = -1;
+        res = NS_ERROR_FAILURE;
+    }
+    return res;
 }
 
 NS_IMETHODIMP nsLookAndFeel::GetMetric(const nsMetricFloatID aID, float & aMetric)
 {
-  return NS_OK;
+    printf("nsLookAndFeel::GetMetric()\n");
+    // XXX this is not complete
+    nsresult res = NS_OK;
+    switch (aID) {
+    case eMetricFloat_TextFieldVerticalInsidePadding:
+        aMetric = 0.25f;
+        break;
+    case eMetricFloat_TextFieldHorizontalInsidePadding:
+        aMetric = 0.95f;
+        break;
+    case eMetricFloat_TextAreaVerticalInsidePadding:
+        aMetric = 0.40f;
+        break;
+    case eMetricFloat_TextAreaHorizontalInsidePadding:
+        aMetric = 0.40f;
+        break;
+    case eMetricFloat_ListVerticalInsidePadding:
+        aMetric = 0.10f;
+        break;
+    case eMetricFloat_ListHorizontalInsidePadding:
+        aMetric = 0.40f;
+        break;
+    case eMetricFloat_ButtonVerticalInsidePadding:
+        aMetric = 0.25f;
+        break;
+    case eMetricFloat_ButtonHorizontalInsidePadding:
+        aMetric = 0.25f;
+        break;
+    default:
+        aMetric = -1.0;
+        res = NS_ERROR_FAILURE;
+    }
+    return res;
 }
diff --git a/mozilla/widget/src/xlib/nsScrollBar.cpp b/mozilla/widget/src/xlib/nsScrollBar.cpp
index 09027a40e93..2e23f310382 100644
--- a/mozilla/widget/src/xlib/nsScrollBar.cpp
+++ b/mozilla/widget/src/xlib/nsScrollBar.cpp
@@ -107,8 +107,5 @@ PRBool nsScrollbar::OnScroll(PRUint32 scrollCode, int cPos)
   return PR_FALSE;
 }
 
-NS_METHOD nsScrollbar::GetBounds(nsRect &aRect)
-{
-  return NS_OK;
-}
+
 
diff --git a/mozilla/widget/src/xlib/nsScrollBar.h b/mozilla/widget/src/xlib/nsScrollBar.h
index 459ca634574..bffec4bea0b 100644
--- a/mozilla/widget/src/xlib/nsScrollBar.h
+++ b/mozilla/widget/src/xlib/nsScrollBar.h
@@ -50,7 +50,6 @@ public:
   virtual PRBool    OnPaint();
   virtual PRBool    OnScroll(PRUint32 scrollCode, int cPos);
   virtual PRBool    OnResize(nsRect &aWindowRect);
-  NS_IMETHOD        GetBounds(nsRect &aRect);
 
 };
 
diff --git a/mozilla/widget/src/xlib/nsTabWidget.cpp b/mozilla/widget/src/xlib/nsTabWidget.cpp
index 4319b92bd83..7bc049b006e 100644
--- a/mozilla/widget/src/xlib/nsTabWidget.cpp
+++ b/mozilla/widget/src/xlib/nsTabWidget.cpp
@@ -64,9 +64,6 @@ PRBool nsTabWidget::OnResize(nsRect &aWindowRect)
     return PR_FALSE;
 }
 
-NS_METHOD nsTabWidget::GetBounds(nsRect &aRect)
-{
-  return NS_OK;
-}
+
 
 
diff --git a/mozilla/widget/src/xlib/nsTabWidget.h b/mozilla/widget/src/xlib/nsTabWidget.h
index 774eca73c63..14661fde32b 100644
--- a/mozilla/widget/src/xlib/nsTabWidget.h
+++ b/mozilla/widget/src/xlib/nsTabWidget.h
@@ -42,7 +42,6 @@ public:
   // nsIWidget overrides
   virtual PRBool OnPaint();
   virtual PRBool OnResize(nsRect &aWindowRect);
-  NS_IMETHOD     GetBounds(nsRect &aRect);
 
 };
 
diff --git a/mozilla/widget/src/xlib/nsTextAreaWidget.cpp b/mozilla/widget/src/xlib/nsTextAreaWidget.cpp
index 77cb17ff854..18c0f976bd2 100644
--- a/mozilla/widget/src/xlib/nsTextAreaWidget.cpp
+++ b/mozilla/widget/src/xlib/nsTextAreaWidget.cpp
@@ -66,11 +66,6 @@ PRBool nsTextAreaWidget::OnResize(nsRect &aWindowRect)
     return PR_FALSE;
 }
 
-NS_METHOD nsTextAreaWidget::GetBounds(nsRect &aRect)
-{
-    return NS_OK;
-}
-
 NS_METHOD nsTextAreaWidget::Paint(nsIRenderingContext& aRenderingContext,
                                   const nsRect& aDirtyRect)
 {
diff --git a/mozilla/widget/src/xlib/nsTextAreaWidget.h b/mozilla/widget/src/xlib/nsTextAreaWidget.h
index 6ec70d0726e..52506682456 100644
--- a/mozilla/widget/src/xlib/nsTextAreaWidget.h
+++ b/mozilla/widget/src/xlib/nsTextAreaWidget.h
@@ -44,7 +44,6 @@ public:
   virtual PRBool          OnMove(PRInt32 aX, PRInt32 aY);
   virtual PRBool          OnPaint();
   virtual PRBool          OnResize(nsRect &aWindowRect);
-  NS_IMETHOD              GetBounds(nsRect &aRect);
   NS_IMETHOD              Paint(nsIRenderingContext& aRenderingContext,
 				const nsRect& aDirtyRect);
   
diff --git a/mozilla/widget/src/xlib/nsTextWidget.cpp b/mozilla/widget/src/xlib/nsTextWidget.cpp
index c8da892e246..211ff779dcc 100644
--- a/mozilla/widget/src/xlib/nsTextWidget.cpp
+++ b/mozilla/widget/src/xlib/nsTextWidget.cpp
@@ -60,11 +60,6 @@ PRBool nsTextWidget::OnResize(nsRect &aWindowRect)
   return PR_FALSE;
 }
 
-NS_METHOD nsTextWidget::GetBounds(nsRect &aRect)
-{
-  return NS_OK;
-}
-
 NS_METHOD nsTextWidget::Paint(nsIRenderingContext& aRenderingContext,
                               const nsRect& aDirtyRect)
 {
diff --git a/mozilla/widget/src/xlib/nsTextWidget.h b/mozilla/widget/src/xlib/nsTextWidget.h
index c3cfb55d76e..8c3fd91014a 100644
--- a/mozilla/widget/src/xlib/nsTextWidget.h
+++ b/mozilla/widget/src/xlib/nsTextWidget.h
@@ -38,7 +38,6 @@ public:
   virtual PRBool  OnPaint();
   virtual PRBool  OnMove(PRInt32 aX, PRInt32 aY);
   virtual PRBool  OnResize(nsRect &aWindowRect);
-  NS_IMETHOD      GetBounds(nsRect &aRect);
   
   NS_IMETHOD      Paint(nsIRenderingContext& aRenderingContext,
 			const nsRect& aDirtyRect);
diff --git a/mozilla/widget/src/xlib/nsTooltipWidget.cpp b/mozilla/widget/src/xlib/nsTooltipWidget.cpp
index fb7de47aad9..3fb67c772fd 100644
--- a/mozilla/widget/src/xlib/nsTooltipWidget.cpp
+++ b/mozilla/widget/src/xlib/nsTooltipWidget.cpp
@@ -60,7 +60,4 @@ PRBool nsTooltipWidget::AutoErase()
   return(PR_TRUE);
 }
 
-NS_METHOD nsTooltipWidget::GetBounds(nsRect &aRect)
-{
-  return NS_OK;
-}
+
diff --git a/mozilla/widget/src/xlib/nsTooltipWidget.h b/mozilla/widget/src/xlib/nsTooltipWidget.h
index 0dfa1e9caa2..a4806a5829f 100644
--- a/mozilla/widget/src/xlib/nsTooltipWidget.h
+++ b/mozilla/widget/src/xlib/nsTooltipWidget.h
@@ -42,7 +42,6 @@ public:
   virtual PRBool OnPaint();
   virtual PRBool OnResize(nsRect &aWindowRect);
   virtual PRBool AutoErase();
-  NS_IMETHOD     GetBounds(nsRect &aRect);
 
 
 };
diff --git a/mozilla/widget/src/xlib/nsWidget.cpp b/mozilla/widget/src/xlib/nsWidget.cpp
index fe5fb5d4e4e..27eea9f9097 100644
--- a/mozilla/widget/src/xlib/nsWidget.cpp
+++ b/mozilla/widget/src/xlib/nsWidget.cpp
@@ -42,15 +42,24 @@ PRUint8   gGreenShift;      //number to shift value into green position
 PRUint8   gBlueShift;       //number to shift value into blue position
 PRUint8   gAlphaShift;      //number to shift value into alpha position
 
+extern "C"
+unsigned long
+xlib_rgb_xpixel_from_rgb (unsigned int rgb);
+
 nsWidget::nsWidget() : nsBaseWidget()
 {
   mPreferredWidth = 0;
   mPreferredHeight = 0;
   mWindow = 0;
+  bg_rgb = NS_RGB(192,192,192);
+  bg_pixel = xlib_rgb_xpixel_from_rgb(bg_rgb);
+  mGC = 0;
 }
 
 nsWidget::~nsWidget()
 {
+  XFreeGC(gDisplay, mGC);
+  XDestroyWindow(gDisplay, mWindow);
 }
 
 NS_IMETHODIMP nsWidget::Create(nsIWidget *aParent,
@@ -93,6 +102,8 @@ nsWidget::StandardWindowCreate(nsIWidget *aParent,
   XSetWindowAttributes attr;
   unsigned long        attr_mask;
   Window parent;
+  int width;
+  int height;
   
   // set up the BaseWidget parts.
   BaseCreate(aParent, aRect, aHandleEventFunction, aContext, 
@@ -107,18 +118,39 @@ nsWidget::StandardWindowCreate(nsIWidget *aParent,
   if (parent == 0) {
     parent = RootWindow(gDisplay, gScreenNum);
   }
+  // set the bounds
+  mBounds = aRect;
   // on a window resize, we don't want to window contents to
   // be discarded...
   attr.bit_gravity = NorthWestGravity;
   // make sure that we listen for events
-  attr.event_mask = SubstructureNotifyMask | StructureNotifyMask;
+  attr.event_mask = SubstructureNotifyMask | StructureNotifyMask | ExposureMask;
+  // set the default background color to that awful gray
+  attr.background_pixel = bg_pixel;
   // here's what's in the struct
-  attr_mask = CWBitGravity | CWEventMask;
+  attr_mask = CWBitGravity | CWEventMask | CWBackPixel;
+
+  printf("Creating XWindow: x %d y %d w %d h %d\n",
+         aRect.x, aRect.y, aRect.width, aRect.height);
+  if (aRect.width == 0) {
+    printf("*** Fixing width...\n");
+    width = 1;
+  }
+  else {
+    width = aRect.width;
+  }
+  if (aRect.height == 0) {
+    printf("*** Fixing height...\n");
+    height = 1;
+  }
+  else {
+    height = aRect.height;
+  }
   
   mWindow = XCreateWindow(gDisplay,
                           parent,
                           aRect.x, aRect.y,
-                          aRect.width, aRect.height,
+                          width, height,
                           0, // border width
                           gDepth,
                           InputOutput,    // class
@@ -129,7 +161,10 @@ nsWidget::StandardWindowCreate(nsIWidget *aParent,
   // thing now.
   XMapWindow(gDisplay,
              mWindow);
-  XFlush(gDisplay);
+  XSync(gDisplay, False);
+  // set up the GC for this window.
+  mGC = XCreateGC(gDisplay, mWindow, 0, NULL);
+  XSync(gDisplay, False);
   return NS_OK;
 }
 
@@ -206,7 +241,7 @@ void * nsWidget::GetNativeData(PRUint32 aDataType)
     break;
   case NS_NATIVE_GRAPHIC:
     // XXX implement this...
-    return NULL;
+    return (void *)mGC;
     break;
   default:
     fprintf(stderr, "nsWidget::GetNativeData(%d) called with crap value.\n",
@@ -257,11 +292,6 @@ NS_IMETHODIMP nsWidget::SetColorMap(nsColorMap *aColorMap)
   return NS_OK;
 }
 
-NS_IMETHODIMP nsWidget::GetBounds(nsRect &aRect)
-{
-  return NS_OK;
-}
-
 NS_IMETHODIMP nsWidget::Show(PRBool bState)
 {
   return NS_OK;
@@ -288,13 +318,15 @@ NS_IMETHODIMP nsWidget::DispatchEvent(nsGUIEvent* event,
   return NS_OK;
 }
 
-NS_IMETHODIMP nsWidget::GetClientBounds(nsRect &aRect)
-{
-  return NS_OK;
-}
-
 NS_IMETHODIMP nsWidget::SetBackgroundColor(const nscolor &aColor)
 {
+  printf("nsWidget::SetBackgroundColor()\n");
+  bg_rgb = NS_RGB(NS_GET_R(aColor),
+                  NS_GET_G(aColor),
+                  NS_GET_B(aColor));
+  bg_pixel = xlib_rgb_xpixel_from_rgb(bg_rgb);
+  // set the window attrib
+  XSetWindowBackground(gDisplay, mWindow, bg_pixel);
   return NS_OK;
 }
 
diff --git a/mozilla/widget/src/xlib/nsWidget.h b/mozilla/widget/src/xlib/nsWidget.h
index 1035f816d5e..72fdd389806 100644
--- a/mozilla/widget/src/xlib/nsWidget.h
+++ b/mozilla/widget/src/xlib/nsWidget.h
@@ -71,8 +71,6 @@ public:
 
   NS_IMETHOD Enable(PRBool bState);
   NS_IMETHOD              SetFocus(void);
-  NS_IMETHOD              GetBounds(nsRect &aRect);
-  NS_IMETHOD              GetClientBounds(nsRect &aRect);
   NS_IMETHOD              SetBackgroundColor(const nscolor &aColor);
   virtual nsIFontMetrics* GetFont(void);
   NS_IMETHOD              SetFont(const nsFont &aFont);
@@ -100,6 +98,9 @@ protected:
   PRUint32 mPreferredWidth;
   PRUint32 mPreferredHeight;
   Window mWindow;
+  PRUint32      bg_rgb;
+  unsigned long bg_pixel;
+  GC            mGC; // until we get gc pooling working...
 };
 
 extern Display         *gDisplay;
@@ -126,6 +127,5 @@ extern PRUint8   gGreenShift;      //number to shift value into green position
 extern PRUint8   gBlueShift;       //number to shift value into blue position
 extern PRUint8   gAlphaShift;      //number to shift value into alpha position
 
-
 #endif