/*
 *Copyright (C) 1994-2000 The XFree86 Project, Inc. All Rights Reserved.
 *
 *Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 *"Software"), to deal in the Software without restriction, including
 *without limitation the rights to use, copy, modify, merge, publish,
 *distribute, sublicense, and/or sell copies of the Software, and to
 *permit persons to whom the Software is furnished to do so, subject to
 *the following conditions:
 *
 *The above copyright notice and this permission notice shall be
 *included in all copies or substantial portions of the Software.
 *
 *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 *NONINFRINGEMENT. IN NO EVENT SHALL THE XFREE86 PROJECT BE LIABLE FOR
 *ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
 *CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 *WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 *Except as contained in this notice, the name of the XFree86 Project
 *shall not be used in advertising or otherwise to promote the sale, use
 *or other dealings in this Software without prior written authorization
 *from the XFree86 Project.
 *
 * Authors:	Harold L Hunt II
 * 		Alan Hourihane <alanh@fairlite.demon.co.uk>
 */

#ifdef HAVE_XWIN_CONFIG_H
#include <xwin-config.h>
#endif
#include "win.h"


/*
 * References to external symbols
 */

extern int			g_iPixmapPrivateIndex;
extern int			g_iGCPrivateIndex;
extern int                      g_copyROP[];


extern void ROP16(HDC hdc, int rop);

#define TRANSLATE_COLOR(color)						\
{									\
  if (pDrawable->depth == 15)						\
    color = ((color & 0x1F) << 19) | ((color & 0x03E0) << 6) |		\
      ((color & 0xF800) >> 8);						\
  else if (pDrawable->depth == 16)					\
    color = ((color & 0x1F) << 19) | ((color & 0x07E0) << 5) |		\
      ((color & 0xF800) >> 8);						\
  else if (pDrawable->depth == 24 || pDrawable->depth == 32)		\
    color = ((color & 0xFF) << 16) | (color & 0xFF00) |			\
      ((color & 0xFF0000) >> 16);					\
}

/* See Porting Layer Definition - p. 54 */
void
winFillSpansNativeGDI (DrawablePtr	pDrawable,
		       GCPtr		pGC,
		       int		iSpans,
		       DDXPointPtr	pPoints,
		       int		*piWidths,
		       int		fSorted)
{
  winGCPriv(pGC);
  HBITMAP		hbmpOrig = NULL, hbmpOrigStipple = NULL;
  HBITMAP		hPenOrig = NULL;
  HBITMAP		hBitmap = NULL;
  PixmapPtr		pPixmap = NULL;
  winPrivPixmapPtr	pPixmapPriv = NULL;
  PixmapPtr		pStipple = NULL;
  winPrivPixmapPtr	pStipplePriv = NULL;
  PixmapPtr		pTile = NULL;
  winPrivPixmapPtr	pTilePriv = NULL;
  HDC			hdcStipple = NULL, hdcTile = NULL;
  HPEN			hPen = NULL;
  int			iX;
  int			fg, bg;
  RegionPtr	    	pClip = pGC->pCompositeClip;
  BoxPtr	    	pextent, pbox;
  int		    	nbox;
  int		    	extentX1, extentX2, extentY1, extentY2;
  int		    	fullX1, fullX2, fullY1;
  HRGN			hrgn = NULL, combined = NULL;

  nbox = REGION_NUM_RECTS (pClip);
  pbox = REGION_RECTS (pClip);

  if (!nbox) return;

  combined = CreateRectRgn (pbox->x1, pbox->y1, pbox->x2, pbox->y2);
  nbox--; pbox++;

  while (nbox--)
    {
      hrgn = CreateRectRgn (pbox->x1, pbox->y1, pbox->x2, pbox->y2);
      CombineRgn (combined, combined, hrgn, RGN_OR);
      DeleteObject (hrgn);
      hrgn = NULL;
      pbox++;
    }

  pextent = REGION_EXTENTS (pGC->pScreen, pClip);
  extentX1 = pextent->x1;
  extentY1 = pextent->y1;
  extentX2 = pextent->x2;
  extentY2 = pextent->y2;

  /* Branch on the type of drawable we have */
  switch (pDrawable->type)
    {
    case DRAWABLE_PIXMAP:

      SelectClipRgn (pGCPriv->hdcMem, combined);
      DeleteObject (combined);
      combined = NULL;

      /* Get a pixmap pointer from the drawable pointer, and fetch privates  */
      pPixmap = (PixmapPtr) pDrawable;
      pPixmapPriv = winGetPixmapPriv (pPixmap);

      /* Select the drawable pixmap into memory hdc */
      hbmpOrig = SelectObject (pGCPriv->hdcMem, pPixmapPriv->hBitmap);
      if (hbmpOrig == NULL)
	FatalError ("winFillSpans - DRAWABLE_PIXMAP - "
		    "SelectObject () failed on\n\tpPixmapPriv->hBitmap: "
		    "%08x\n", (unsigned int) pPixmapPriv->hBitmap);
      
      /* Branch on the fill type */
      switch (pGC->fillStyle)
	{
	case FillSolid:

          ROP16 (pGCPriv->hdcMem, pGC->alu);

	  if (pDrawable->depth == 1) 
	    {
	      if (pGC->fgPixel == 0)
		hPenOrig = SelectObject (pGCPriv->hdcMem, 
					 GetStockObject (BLACK_PEN));
	      else
		hPenOrig = SelectObject (pGCPriv->hdcMem,
					 GetStockObject (WHITE_PEN));
	    } 
	  else 
	    {
	      fg = pGC->fgPixel;
	      TRANSLATE_COLOR (fg);
	      hPen = CreatePen (PS_SOLID, 0, fg);
	      hPenOrig = SelectObject (pGCPriv->hdcMem, hPen);
	    }
    	
	  while (iSpans--)
	    {
	      fullX1 = pPoints->x;
	      fullY1 = pPoints->y;
	      fullX2 = fullX1 + (int) *piWidths;
	      pPoints++;
	      piWidths++;
	
	      if (fullY1 < extentY1 || extentY2 <= fullY1)
		continue;
	
	      if (fullX1 < extentX1)
		fullX1 = extentX1;
	      if (fullX2 > extentX2)
		fullX2 = extentX2;
	
	      if (fullX1 >= fullX2)
		continue;
	
	      MoveToEx (pGCPriv->hdcMem, fullX1, fullY1, NULL);
	      LineTo (pGCPriv->hdcMem, fullX2, fullY1);
	    }

          SetROP2 (pGCPriv->hdcMem, R2_COPYPEN);

	  /* Give back the Pen */
	  SelectObject (pGCPriv->hdcMem, hPenOrig);

	  if (pDrawable->depth != 1)
	    DeleteObject (hPen);
	  break;

	case FillOpaqueStippled:

	  pStipple = pGC->stipple;
	  pStipplePriv = winGetPixmapPriv (pStipple);

	  /* Create a device-dependent bitmap for the stipple */
	  hBitmap = CreateDIBitmap (pGCPriv->hdcMem,
				    (BITMAPINFOHEADER *)pStipplePriv->pbmih,
				    CBM_INIT,
				    pStipplePriv->pbBits,
				    (BITMAPINFO *)pStipplePriv->pbmih,
				    DIB_RGB_COLORS);

	  /* Create a memory DC to hold the stipple */
	  hdcStipple = CreateCompatibleDC (pGCPriv->hdcMem);

	  /* Select the stipple bitmap into the stipple DC */
	  hbmpOrigStipple = SelectObject (hdcStipple, hBitmap);
	  if (hbmpOrigStipple == NULL)
	    FatalError ("winFillSpans () - DRAWABLE_PIXMAP - FillStippled - "
			"SelectObject () failed on hbmpOrigStipple\n");

	  /* Make a temporary copy of the foreground and background colors */
   	  bg = pGC->bgPixel;
   	  fg = pGC->fgPixel;

	  /* Translate the depth-dependent colors to Win32 COLORREFs */
	  TRANSLATE_COLOR (fg);
	  TRANSLATE_COLOR (bg);
	  SetTextColor (pGCPriv->hdcMem, fg);
	  SetBkColor (pGCPriv->hdcMem, bg);

	  while (iSpans--)
	    {
	      int width = pStipple->drawable.width;
	      fullX1 = pPoints->x;
	      fullY1 = pPoints->y;
	      fullX2 = fullX1 + (int) *piWidths;
	      pPoints++;
	      piWidths++;
	
	      if (fullY1 < extentY1 || extentY2 <= fullY1)
		continue;
	
	      if (fullX1 < extentX1)
		fullX1 = extentX1;
	      if (fullX2 > extentX2)
		fullX2 = extentX2;
	
	      if (fullX1 >= fullX2)
		continue;
	
	      for (iX = fullX1; iX < fullX2; iX += width)
		{
		  int xoffset;

		  if ((iX + pStipple->drawable.width) > fullX2)
		    width = fullX2 - iX;
		  else
		    width = pStipple->drawable.width;

		  if (iX == fullX1)
		    xoffset = (fullX1 - (pDrawable->x + (pGC->patOrg.x % pStipple->drawable.width) - pStipple->drawable.width)) % pStipple->drawable.width;
		  else
		    xoffset = 0;

		  if (xoffset + width > pStipple->drawable.width)
		    width = pStipple->drawable.width - xoffset;

		  BitBlt (pGCPriv->hdcMem,
			  iX, fullY1,
			  width, 1,
			  hdcStipple,
			  xoffset,
			  (fullY1 - (pDrawable->y + (pGC->patOrg.y % pStipple->drawable.height) - pStipple->drawable.height)) % pStipple->drawable.height,
			  g_copyROP[pGC->alu]);
		}
	    }

	  /* Clear the stipple HDC */
	  SelectObject (hdcStipple, hbmpOrigStipple);
	  DeleteDC (hdcStipple);

	  /* Delete the device dependent stipple bitmap */
	  DeleteObject (hBitmap);

	  break;
	case FillStippled:

	  pStipple = pGC->stipple;
	  pStipplePriv = winGetPixmapPriv (pStipple);

	  /* Create a device-dependent bitmap for the stipple */
	  hBitmap = CreateDIBitmap (pGCPriv->hdcMem,
				    (BITMAPINFOHEADER *)pStipplePriv->pbmih,
				    CBM_INIT,
				    pStipplePriv->pbBits,
				    (BITMAPINFO *)pStipplePriv->pbmih,
				    DIB_RGB_COLORS);

	  /* Create a memory DC to hold the stipple */
	  hdcStipple = CreateCompatibleDC (pGCPriv->hdcMem);

	  /* Select the stipple bitmap into the stipple DC */
	  hbmpOrigStipple = SelectObject (hdcStipple, hBitmap);
	  if (hbmpOrigStipple == NULL)
	    FatalError ("winFillSpans () - DRAWABLE_PIXMAP - FillStippled - "
			"SelectObject () failed on hbmpOrigStipple\n");

	  /* Make a temporary copy of the foreground and background colors */
   	  bg = pGC->bgPixel;
   	  fg = pGC->fgPixel;

	  /* Translate the depth-dependent colors to Win32 COLORREFs */
	  TRANSLATE_COLOR (fg);
	  TRANSLATE_COLOR (bg);

	  /* this is fudgy, we should only invert on the last one
	   * We need to get the black/white pixels right in the
	   * colormap. But yeah ! it's working.. 
	   */
	  if (pGC->bgPixel != -1 && pGC->fgPixel != -1) 
	    {
	      SetTextColor (pGCPriv->hdcMem, fg);
	      SetBkColor (pGCPriv->hdcMem, bg);
	      BitBlt (hdcStipple,
		      0, 0,
		      pStipple->drawable.width, pStipple->drawable.height,
		      hdcStipple,
		      0, 0,
		      0x330008);
	    } 
	  else if (pGC->bgPixel == -1) 
	    {
	      SetTextColor (pGCPriv->hdcMem, fg);
	      SetBkMode (pGCPriv->hdcMem, TRANSPARENT);
	      BitBlt (hdcStipple,
		      0, 0,
		      pStipple->drawable.width, pStipple->drawable.height,
		      hdcStipple,
		      0, 0,
		      0x330008);
	    } 
	  else if (pGC->fgPixel == -1) 
	    {
	      SetTextColor (pGCPriv->hdcMem, bg);
	      SetBkMode (pGCPriv->hdcMem, TRANSPARENT);
#if 0
	      BitBlt (hdcStipple,
		      0, 0,
		      pStipple->drawable.width, pStipple->drawable.height,
		      hdcStipple,
		      0, 0,
		      0x330008);
#endif
	    }

	  while (iSpans--)
	    {
	      int width = pStipple->drawable.width;
	      fullX1 = pPoints->x;
	      fullY1 = pPoints->y;
	      fullX2 = fullX1 + (int) *piWidths;
	      pPoints++;
	      piWidths++;
	
	      if (fullY1 < extentY1 || extentY2 <= fullY1)
		continue;
	
	      if (fullX1 < extentX1)
		fullX1 = extentX1;
	      if (fullX2 > extentX2)
		fullX2 = extentX2;
	
	      if (fullX1 >= fullX2)
		continue;
	
	      for (iX = fullX1; iX < fullX2; iX += width)
		{
		  int xoffset;

		  if ((iX + pStipple->drawable.width) > fullX2)
		    width = fullX2 - iX;
		  else
		    width = pStipple->drawable.width;

		  if (iX == fullX1)
		    xoffset = (fullX1 - (pDrawable->x + (pGC->patOrg.x % pStipple->drawable.width) - pStipple->drawable.width)) % pStipple->drawable.width;
		  else
		    xoffset = 0;

		  if (xoffset + width > pStipple->drawable.width)
		    width = pStipple->drawable.width - xoffset;

		  BitBlt (pGCPriv->hdcMem,
		          iX, fullY1,
		          width, 1,
		          hdcStipple,
			  xoffset,
			  (fullY1 - (pDrawable->y + (pGC->patOrg.y % pStipple->drawable.height) - pStipple->drawable.height)) % pStipple->drawable.height,
			  g_copyROP[pGC->alu]);
		}
	    }

	  /* Clear the stipple HDC */
	  SelectObject (hdcStipple, hbmpOrigStipple);
	  DeleteDC (hdcStipple);

	  /* Delete the device dependent stipple bitmap */
	  DeleteObject (hBitmap);

	  /* Restore the background mode */
	  SetBkMode (pGCPriv->hdcMem, OPAQUE);
	  break;

	case FillTiled:

	  /* Get a pixmap pointer from the tile pointer, and fetch privates  */
	  pTile = (PixmapPtr) pGC->tile.pixmap;
	  pTilePriv = winGetPixmapPriv (pTile);

	  /* Create a memory DC to hold the tile */
	  hdcTile = CreateCompatibleDC (pGCPriv->hdcMem);

	  /* Select the tile into a DC */
	  hbmpOrig = SelectObject (hdcTile, pTilePriv->hBitmap);
	  if (hbmpOrig == NULL)
	    FatalError ("winFillSpans - DRAWABLE_PIXMAP - FillTiled - "
			"SelectObject () failed on pTilePriv->hBitmap\n");

	  while (iSpans--)
	    {
	      int width = pTile->drawable.width;
	      fullX1 = pPoints->x;
	      fullY1 = pPoints->y;
	      fullX2 = fullX1 + (int) *piWidths;
	      pPoints++;
	      piWidths++;
	
	      if (fullY1 < extentY1 || extentY2 <= fullY1)
		continue;
	
	      if (fullX1 < extentX1)
		fullX1 = extentX1;
	      if (fullX2 > extentX2)
		fullX2 = extentX2;
	
	      if (fullX1 >= fullX2)
		continue;
	
	      for (iX = fullX1; iX < fullX2; iX += width)
	      	{
		  int xoffset;

		  if ((iX + pTile->drawable.width) > fullX2)
		    width = fullX2 - iX;
		  else
		    width = pTile->drawable.width;

		  if (iX == fullX1)
		    xoffset = (fullX1 - (pDrawable->x + (pGC->patOrg.x % pTile->drawable.width) - pTile->drawable.width)) % pTile->drawable.width;
		  else
		    xoffset = 0;

		  if (xoffset + width > pTile->drawable.width)
		    width = pTile->drawable.width - xoffset;

		  BitBlt (pGCPriv->hdcMem,
			  iX, fullY1,
			  width, 1,
			  hdcTile,
			  xoffset,
			  (fullY1 - (pDrawable->y + (pGC->patOrg.y % pTile->drawable.height) - pTile->drawable.height)) % pTile->drawable.height,
			  g_copyROP[pGC->alu]);
		}
	    }

	  /* Push the tile pixmap out of the memory HDC */
	  SelectObject (hdcTile, hbmpOrig);

	  /* Delete the tile */
	  DeleteDC (hdcTile);
	  break;

	default:
	  ErrorF ("winFillSpans - DRAWABLE_PIXMAP - Unknown fillStyle\n");
	  break;
	}

      /* Reset clip region */
      SelectClipRgn (pGCPriv->hdcMem, NULL);

      /* Push the drawable pixmap out of the GC HDC */
      SelectObject (pGCPriv->hdcMem, hbmpOrig);
      break;
      
    case DRAWABLE_WINDOW:

      SelectClipRgn (pGCPriv->hdc, combined);
      DeleteObject (combined);
      combined = NULL;

      /* Branch on fill style */
      switch (pGC->fillStyle)
	{
	case FillSolid:

          ROP16 (pGCPriv->hdc, pGC->alu);

	  if (pDrawable->depth == 1) 
	    {
	      if (pGC->fgPixel == 0)
		hPenOrig = SelectObject (pGCPriv->hdc, 
					 GetStockObject (BLACK_PEN));
	      else
		hPenOrig = SelectObject (pGCPriv->hdc,
					 GetStockObject (WHITE_PEN));
	    } 
	  else 
	    {
	      fg = pGC->fgPixel;
	      TRANSLATE_COLOR (fg);
	      hPen = CreatePen (PS_SOLID, 0, fg);
	      hPenOrig = SelectObject (pGCPriv->hdc, hPen);
	    }

	  while (iSpans--)
	    {
	      fullX1 = pPoints->x;
	      fullY1 = pPoints->y;
	      fullX2 = fullX1 + (int) *piWidths;
	      pPoints++;
	      piWidths++;
	
	      if (fullY1 < extentY1 || extentY2 <= fullY1)
		continue;
	
	      if (fullX1 < extentX1)
		fullX1 = extentX1;
	      if (fullX2 > extentX2)
		fullX2 = extentX2;
	
	      if (fullX1 >= fullX2)
		continue;
	
	      MoveToEx (pGCPriv->hdc, fullX1, fullY1, NULL);
	      LineTo (pGCPriv->hdc, fullX2, fullY1);
	    }

          SetROP2 (pGCPriv->hdc, R2_COPYPEN);

	  /* Give back the Brush */
	  SelectObject (pGCPriv->hdc, hPenOrig);

	  if (pDrawable->depth != 1)
	    DeleteObject (hPen);
	  break;

	case FillOpaqueStippled:

	  pStipple = pGC->stipple;
	  pStipplePriv = winGetPixmapPriv (pStipple);

	  /* Create a device-dependent bitmap for the stipple */
	  hBitmap = CreateDIBitmap (pGCPriv->hdc,
				    (BITMAPINFOHEADER *)pStipplePriv->pbmih,
				    CBM_INIT,
				    pStipplePriv->pbBits,
				    (BITMAPINFO *)pStipplePriv->pbmih,
				    DIB_RGB_COLORS);

	  /* Create a memory DC to hold the stipple */
	  hdcStipple = CreateCompatibleDC (pGCPriv->hdc);

	  /* Select the stipple bitmap into the stipple DC */
	  hbmpOrigStipple = SelectObject (hdcStipple, hBitmap);
	  if (hbmpOrigStipple == NULL)
	    FatalError ("winFillSpans () - DRAWABLE_PIXMAP - FillStippled - "
			"SelectObject () failed on hbmpOrigStipple\n");

	  /* Make a temporary copy of the foreground and background colors */
   	  bg = pGC->bgPixel;
   	  fg = pGC->fgPixel;

	  /* Translate the depth-dependent colors to Win32 COLORREFs */
	  TRANSLATE_COLOR (fg);
	  TRANSLATE_COLOR (bg);
	  SetTextColor (pGCPriv->hdc, fg);
	  SetBkColor (pGCPriv->hdc, bg);

	  while (iSpans--)
	    {
	      int width = pStipple->drawable.width;
	      fullX1 = pPoints->x;
	      fullY1 = pPoints->y;
	      fullX2 = fullX1 + (int) *piWidths;
	      pPoints++;
	      piWidths++;
	
	      if (fullY1 < extentY1 || extentY2 <= fullY1)
		continue;
	
	      if (fullX1 < extentX1)
		fullX1 = extentX1;
	      if (fullX2 > extentX2)
		fullX2 = extentX2;
	
	      if (fullX1 >= fullX2)
		continue;
	
	      for (iX = fullX1; iX < fullX2; iX += width)
		{
		  int xoffset;

		  if ((iX + pStipple->drawable.width) > fullX2)
		    width = fullX2 - iX;
		  else
		    width = pStipple->drawable.width;

		  if (iX == fullX1)
		    xoffset = (fullX1 - (pDrawable->x + (pGC->patOrg.x % pStipple->drawable.width) - pStipple->drawable.width)) % pStipple->drawable.width;
		  else
		    xoffset = 0;

		  if (xoffset + width > pStipple->drawable.width)
		    width = pStipple->drawable.width - xoffset;

		  BitBlt (pGCPriv->hdc,
			  iX, fullY1,
			  width, 1,
			  hdcStipple,
			  xoffset,
			  (fullY1 - (pDrawable->y + (pGC->patOrg.y % pStipple->drawable.height) - pStipple->drawable.height)) % pStipple->drawable.height,
			  g_copyROP[pGC->alu]);
		}
	    }

	  /* Clear the stipple HDC */
	  SelectObject (hdcStipple, hbmpOrigStipple);
	  DeleteDC (hdcStipple);

	  /* Delete the device dependent stipple bitmap */
	  DeleteObject (hBitmap);

	  break;

	case FillStippled:
	  pStipple = pGC->stipple;
	  pStipplePriv = winGetPixmapPriv (pStipple);

	  /* Create a device-dependent bitmap for the stipple */
	  hBitmap = CreateDIBitmap (pGCPriv->hdcMem,
				    (BITMAPINFOHEADER *)pStipplePriv->pbmih,
				    CBM_INIT,
				    pStipplePriv->pbBits,
				    (BITMAPINFO *)pStipplePriv->pbmih,
				    DIB_RGB_COLORS);

	  /* Create a memory DC to hold the stipple */
	  hdcStipple = CreateCompatibleDC (pGCPriv->hdc);

	  /* Select the stipple bitmap into the stipple DC */
	  hbmpOrigStipple = SelectObject (hdcStipple, hBitmap);
	  if (hbmpOrigStipple == NULL)
	    FatalError ("winFillSpans () - DRAWABLE_PIXMAP - FillStippled - "
			"SelectObject () failed on hbmpOrigStipple\n");

	  /* Make a temporary copy of the foreground and background colors */
   	  bg = pGC->bgPixel;
   	  fg = pGC->fgPixel;

	  /* Translate the depth-dependent colors to Win32 COLORREFs */
	  TRANSLATE_COLOR (fg);
	  TRANSLATE_COLOR (bg);

	  /* this is fudgy, we should only invert on the last one
	   * We need to get the black/white pixels right in the
	   * colormap. But yeah ! it's working.. 
	   */
	  if (pGC->bgPixel != -1 && pGC->fgPixel != -1) 
	    {
	      SetTextColor (pGCPriv->hdc, fg);
	      SetBkColor (pGCPriv->hdc, bg);
	      BitBlt (hdcStipple,
		      0, 0,
		      pStipple->drawable.width, pStipple->drawable.height,
		      hdcStipple,
		      0,0,
		      0x330008);
	    } 
	  else if (pGC->bgPixel == -1) 
	    {
	      SetTextColor (pGCPriv->hdc, fg);
	      SetBkMode (pGCPriv->hdc, TRANSPARENT);
	      BitBlt (hdcStipple,
		      0, 0,
		      pStipple->drawable.width, pStipple->drawable.height,
		      hdcStipple,
		      0,0,
		      0x330008);
	    } 
	  else if (pGC->fgPixel == -1) 
	    {
	      SetTextColor (pGCPriv->hdc, bg);
	      SetBkMode (pGCPriv->hdc, TRANSPARENT);
#if 0
	      BitBlt (hdcStipple,
		      0, 0,
		      pStipple->drawable.width, pStipple->drawable.height,
		      hdcStipple,
		      0, 0,
		      0x330008);
#endif
	    }

	  while (iSpans--)
	    {
 	      int width = pStipple->drawable.width;
	      fullX1 = pPoints->x;
	      fullY1 = pPoints->y;
	      fullX2 = fullX1 + (int) *piWidths;
	      pPoints++;
	      piWidths++;
	
	      if (fullY1 < extentY1 || extentY2 <= fullY1)
		continue;
	
	      if (fullX1 < extentX1)
		fullX1 = extentX1;
	      if (fullX2 > extentX2)
		fullX2 = extentX2;
	
	      if (fullX1 >= fullX2)
		continue;
	
	      for (iX = fullX1; iX < fullX2; iX += width)
		{
		  int xoffset;

		  if ((iX + pStipple->drawable.width) > fullX2)
		    width = fullX2 - iX;
		  else
		    width = pStipple->drawable.width;

		  if (iX == fullX1)
		    xoffset = (fullX1 - (pDrawable->x + (pGC->patOrg.x % pStipple->drawable.width) - pStipple->drawable.width)) % pStipple->drawable.width;
		  else
		    xoffset = 0;

		  if (xoffset + width > pStipple->drawable.width)
		    width = pStipple->drawable.width - xoffset;

		  BitBlt (pGCPriv->hdc,
			  iX, fullY1,
			  width, 1,
			  hdcStipple,
			  xoffset,
			  (fullY1 - (pDrawable->y + (pGC->patOrg.y % pStipple->drawable.height) - pStipple->drawable.height)) % pStipple->drawable.height,
			  g_copyROP[pGC->alu]);
		}
	    }

	  /* Clear the stipple HDC */
	  SelectObject (hdcStipple, hbmpOrigStipple);
	  DeleteDC (hdcStipple);

	  /* Delete the device dependent stipple bitmap */
	  DeleteObject (hBitmap);

	  /* Restore the background mode */
	  SetBkMode (pGCPriv->hdc, OPAQUE);	  
	  break;

	case FillTiled:

	  /* Get a pixmap pointer from the tile pointer, and fetch privates  */
	  pTile = (PixmapPtr) pGC->tile.pixmap;
	  pTilePriv = winGetPixmapPriv (pTile);

	  /* Select the tile into a DC */
	  hbmpOrig = SelectObject (pGCPriv->hdcMem, pTilePriv->hBitmap);
	  if (hbmpOrig == NULL)
	    FatalError ("winFillSpans - DRAWABLE_WINDOW - FillTiled - "
			"SelectObject () failed on pTilePriv->hBitmap\n");

	  while (iSpans--)
	    {
	      int width = pTile->drawable.width;
	      fullX1 = pPoints->x;
	      fullY1 = pPoints->y;
	      fullX2 = fullX1 + (int) *piWidths;
	      pPoints++;
	      piWidths++;
	
	      if (fullY1 < extentY1 || extentY2 <= fullY1)
		continue;
	
	      if (fullX1 < extentX1)
		fullX1 = extentX1;
	      if (fullX2 > extentX2)
		fullX2 = extentX2;
	
	      if (fullX1 >= fullX2)
		continue;
	
	      for (iX = fullX1; iX < fullX2; iX += width)
	      	{
		  int xoffset;

		  if ((iX + pTile->drawable.width) > fullX2)
		    width = fullX2 - iX;
		  else
		    width = pTile->drawable.width;

		  if (iX == fullX1)
		    xoffset = (fullX1 - (pDrawable->x + (pGC->patOrg.x % pTile->drawable.width) - pTile->drawable.width)) % pTile->drawable.width;
		  else
		    xoffset = 0;

		  if (xoffset + width > pTile->drawable.width)
		    width = pTile->drawable.width - xoffset;

		  BitBlt (pGCPriv->hdc,
			  iX, fullY1,
			  width, 1,
			  pGCPriv->hdcMem,
			  xoffset,
			  (fullY1 - (pDrawable->y + (pGC->patOrg.y % pTile->drawable.height) - pTile->drawable.height)) % pTile->drawable.height,
			  g_copyROP[pGC->alu]);
		}
	    }

	  /* Push the tile pixmap out of the memory HDC */
	  SelectObject (pGCPriv->hdcMem, hbmpOrig);
	  break;

	default:
	  ErrorF ("winFillSpans - DRAWABLE_WINDOW - Unknown fillStyle\n");
	  break;
	}

      /* Reset clip region */
      SelectClipRgn (pGCPriv->hdc, NULL);
      break;

    case UNDRAWABLE_WINDOW:
      /* UNDRAWABLE_WINDOW doesn't appear to get called when running xterm */
      switch (pGC->fillStyle)
	{
	case FillSolid:
	  ErrorF ("winFillSpans - UNDRAWABLE_WINDOW - FillSolid - "
		  "Unimplemented\n");
	  break;

	case FillStippled:
	  ErrorF ("winFillSpans - UNDRAWABLE_WINDOW - FillStippled - "
		  "Unimplemented\n");
	  break;

	case FillTiled:
	  ErrorF ("winFillSpans - UNDRAWABLE_WINDOW - FillTiled - "
		  "Unimplemented\n");
	  break;

	case FillOpaqueStippled:
	  ErrorF ("winFillSpans - UNDRAWABLE_WINDOW - OpaqueStippled - "
		  "Unimplemented\n");
	  break;

	default:
	  ErrorF ("winFillSpans - UNDRAWABLE_WINDOW - Unknown fillStyle\n");
	  break;
	}
      break;

    case DRAWABLE_BUFFER:
      /* DRAWABLE_BUFFER seems to be undocumented. */
      ErrorF ("winFillSpans - DRAWABLE_BUFFER - Unimplemented\n");
      break;

    default:
      ErrorF ("winFillSpans - Unknown drawable type\n");
      break;
    }
}