]> git.ipfire.org Git - thirdparty/cups.git/blobdiff - filter/imagetoraster.c
Load cups into easysw/current.
[thirdparty/cups.git] / filter / imagetoraster.c
index f0dce921c3a9116370f958bf04043df7dc002a2d..db92982314ebe5b26c43822d1968ec06225f9e9d 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * "$Id: imagetoraster.c 5099 2006-02-13 02:46:10Z mike $"
+ * "$Id: imagetoraster.c 5523 2006-05-15 05:02:43Z mike $"
  *
  *   Image file to raster filter for the Common UNIX Printing System (CUPS).
  *
@@ -26,8 +26,7 @@
  * Contents:
  *
  *   main()          - Main entry...
- *   exec_code()     - Execute PostScript setpagedevice commands as
- *                     appropriate.
+ *   blank_line()    - Clear a line buffer to the blank value...
  *   format_CMY()    - Convert image data to CMY.
  *   format_CMYK()   - Convert image data to CMYK.
  *   format_K()      - Convert image data to black.
@@ -38,6 +37,7 @@
  *   format_YMC()    - Convert image data to YMC.
  *   format_YMCK()   - Convert image data to YMCK.
  *   make_lut()      - Make a lookup table given gamma and brightness values.
+ *   raster_cb()     - Validate the page header.
  */
 
 /*
@@ -60,7 +60,7 @@ int   Flip = 0,                       /* Flip/mirror pages */
        YPosition = 0,                  /* Vertical position on page */
        Collate = 0,                    /* Collate copies? */
        Copies = 1;                     /* Number of copies */
-int    Floyd16xc16[16][16] =           /* Traditional Floyd ordered dither */
+int    Floyd16x16[16][16] =            /* Traditional Floyd ordered dither */
        {
          { 0,   128, 32,  160, 8,   136, 40,  168,
            2,   130, 34,  162, 10,  138, 42,  170 },
@@ -116,63 +116,13 @@ int       Floyd4x4[4][4] =
 
 cups_ib_t      OnPixels[256],          /* On-pixel LUT */
                OffPixels[256];         /* Off-pixel LUT */
-int            Planes[] =              /* Number of planes for each colorspace */
-               {
-                 1,                    /* CUPS_CSPACE_W */
-                 3,                    /* CUPS_CSPACE_RGB */
-                 4,                    /* CUPS_CSPACE_RGBA */
-                 1,                    /* CUPS_CSPACE_K */
-                 3,                    /* CUPS_CSPACE_CMY */
-                 3,                    /* CUPS_CSPACE_YMC */
-                 4,                    /* CUPS_CSPACE_CMYK */
-                 4,                    /* CUPS_CSPACE_YMCK */
-                 4,                    /* CUPS_CSPACE_KCMY */
-                 6,                    /* CUPS_CSPACE_KCMYcm */
-                 4,                    /* CUPS_CSPACE_GMCK */
-                 4,                    /* CUPS_CSPACE_GMCS */
-                 1,                    /* CUPS_CSPACE_WHITE */
-                 1,                    /* CUPS_CSPACE_GOLD */
-                 1,                    /* CUPS_CSPACE_SILVER */
-                 3,                    /* CUPS_CSPACE_CIEXYZ */
-                 3,                    /* CUPS_CSPACE_CIELab */
-                 4,                    /* CUPS_CSPACE_RGBW */
-                 0,                    /* ... reserved ... */
-                 0,                    /* ... reserved ... */
-                 0,                    /* ... reserved ... */
-                 0,                    /* ... reserved ... */
-                 0,                    /* ... reserved ... */
-                 0,                    /* ... reserved ... */
-                 0,                    /* ... reserved ... */
-                 0,                    /* ... reserved ... */
-                 0,                    /* ... reserved ... */
-                 0,                    /* ... reserved ... */
-                 0,                    /* ... reserved ... */
-                 0,                    /* ... reserved ... */
-                 0,                    /* ... reserved ... */
-                 0,                    /* ... reserved ... */
-                 3,                    /* CUPS_CSPACE_ICC1 */
-                 3,                    /* CUPS_CSPACE_ICC2 */
-                 3,                    /* CUPS_CSPACE_ICC3 */
-                 3,                    /* CUPS_CSPACE_ICC4 */
-                 3,                    /* CUPS_CSPACE_ICC5 */
-                 3,                    /* CUPS_CSPACE_ICC6 */
-                 3,                    /* CUPS_CSPACE_ICC7 */
-                 3,                    /* CUPS_CSPACE_ICC8 */
-                 3,                    /* CUPS_CSPACE_ICC9 */
-                 3,                    /* CUPS_CSPACE_ICCA */
-                 3,                    /* CUPS_CSPACE_ICCB */
-                 3,                    /* CUPS_CSPACE_ICCC */
-                 3,                    /* CUPS_CSPACE_ICCD */
-                 3,                    /* CUPS_CSPACE_ICCE */
-                 3                     /* CUPS_CSPACE_ICCF */
-               };
 
 
 /*
  * Local functions...
  */
-static void    exec_code(cups_page_header2_t *header, const char *code);
+
+static void    blank_line(cups_page_header2_t *header, unsigned char *row);
 static void    format_CMY(cups_page_header2_t *header, unsigned char *row, int y, int z, int xsize, int ysize, int yerr0, int yerr1, cups_ib_t *r0, cups_ib_t *r1);
 static void    format_CMYK(cups_page_header2_t *header, unsigned char *row, int y, int z, int xsize, int ysize, int yerr0, int yerr1, cups_ib_t *r0, cups_ib_t *r1);
 static void    format_K(cups_page_header2_t *header, unsigned char *row, int y, int z, int xsize, int ysize, int yerr0, int yerr1, cups_ib_t *r0, cups_ib_t *r1);
@@ -184,6 +134,7 @@ static void format_W(cups_page_header2_t *header, unsigned char *row, int y, int
 static void    format_YMC(cups_page_header2_t *header, unsigned char *row, int y, int z, int xsize, int ysize, int yerr0, int yerr1, cups_ib_t *r0, cups_ib_t *r1);
 static void    format_YMCK(cups_page_header2_t *header, unsigned char *row, int y, int z, int xsize, int ysize, int yerr0, int yerr1, cups_ib_t *r0, cups_ib_t *r1);
 static void    make_lut(cups_ib_t *, int, float, float);
+static int     raster_cb(cups_page_header2_t *header, int preferred_bits);
 
 
 /*
@@ -212,12 +163,10 @@ main(int  argc,                           /* I - Number of command-line arguments */
                        xtemp,          /* Bitmap width in pixels */
                        ytemp,          /* Bitmap height in pixels */
                        page;           /* Current page number */
-  int                  xc0, yc0,               /* Corners of the page in image coords */
+  int                  xc0, yc0,       /* Corners of the page in image coords */
                        xc1, yc1;
   ppd_file_t           *ppd;           /* PPD file */
-  ppd_choice_t         *choice,        /* PPD option choice */
-                       **choices;      /* List of marked choices */
-  int                  count;          /* Number of marked choices */
+  ppd_choice_t         *choice;        /* PPD option choice */
   char                 *resolution,    /* Output resolution */
                        *media_type;    /* Media type */
   ppd_profile_t                *profile;       /* Color profile */
@@ -245,8 +194,7 @@ main(int  argc,                             /* I - Number of command-line arguments */
                        iy,             /* Current Y coordinate in image */
                        last_iy,        /* Previous Y coordinate in image */
                        yerr0,          /* Top Y error value */
-                       yerr1,          /* Bottom Y error value */
-                       blank;          /* Blank value */
+                       yerr1;          /* Bottom Y error value */
   cups_ib_t            lut[256];       /* Gamma/brightness LUT */
   int                  plane,          /* Current color plane */
                        num_planes;     /* Number of color planes */
@@ -506,31 +454,11 @@ main(int  argc,                           /* I - Number of command-line arguments */
   * Set the needed options in the page header...
   */
 
-  memset(&header, 0, sizeof(header));
-  header.HWResolution[0]  = 100;
-  header.HWResolution[1]  = 100;
-  header.cupsBitsPerColor = 1;
-  header.cupsColorOrder   = CUPS_ORDER_CHUNKED;
-  header.cupsColorSpace   = CUPS_CSPACE_K;
-
-  if (ppd && ppd->patches)
-    exec_code(&header, ppd->patches);
-
-  if ((count = ppdCollect(ppd, PPD_ORDER_DOCUMENT, &choices)) > 0)
-    for (i = 0; i < count; i ++)
-      exec_code(&header, choices[i]->code);
-
-  if ((count = ppdCollect(ppd, PPD_ORDER_ANY, &choices)) > 0)
-    for (i = 0; i < count; i ++)
-      exec_code(&header, choices[i]->code);
-
-  if ((count = ppdCollect(ppd, PPD_ORDER_PROLOG, &choices)) > 0)
-    for (i = 0; i < count; i ++)
-      exec_code(&header, choices[i]->code);
-
-  if ((count = ppdCollect(ppd, PPD_ORDER_PAGE, &choices)) > 0)
-    for (i = 0; i < count; i ++)
-      exec_code(&header, choices[i]->code);
+  if (cupsRasterInterpretPPD(&header, ppd, num_options, options, raster_cb))
+  {
+    fputs("ERROR: Bad page setup!\n", stderr);
+    return (1);
+  }
 
  /*
   * Get the media type and resolution that have been chosen...
@@ -553,36 +481,32 @@ main(int  argc,                           /* I - Number of command-line arguments */
   switch (header.cupsColorSpace)
   {
     case CUPS_CSPACE_W :
-        primary   = CUPS_IMAGE_WHITE;
-       secondary = CUPS_IMAGE_WHITE;
-        header.cupsBitsPerPixel = header.cupsBitsPerColor;
+        if (header.cupsBitsPerColor >= 8)
+       {
+          primary   = CUPS_IMAGE_WHITE;
+         secondary = CUPS_IMAGE_WHITE;
+        }
+       else
+       {
+          primary   = CUPS_IMAGE_BLACK;
+         secondary = CUPS_IMAGE_BLACK;
+       }
        break;
 
     default :
     case CUPS_CSPACE_RGB :
     case CUPS_CSPACE_RGBA :
     case CUPS_CSPACE_RGBW :
-        primary   = CUPS_IMAGE_RGB;
-       secondary = CUPS_IMAGE_RGB;
-
-       /*
-        * Ensure that colorimetric colorspaces use at least 8 bits per
-       * component...
-       */
-
-        if (header.cupsColorSpace >= CUPS_CSPACE_CIEXYZ &&
-           header.cupsBitsPerColor < 8)
-         header.cupsBitsPerColor = 8;
-
-       if (header.cupsColorOrder == CUPS_ORDER_CHUNKED)
+        if (header.cupsBitsPerColor >= 8)
        {
-         if (header.cupsBitsPerColor >= 8)
-            header.cupsBitsPerPixel = header.cupsBitsPerColor * 3;
-         else
-            header.cupsBitsPerPixel = header.cupsBitsPerColor * 4;
-       }
+          primary   = CUPS_IMAGE_RGB;
+         secondary = CUPS_IMAGE_RGB;
+        }
        else
-         header.cupsBitsPerPixel = header.cupsBitsPerColor;
+       {
+          primary   = CUPS_IMAGE_CMY;
+         secondary = CUPS_IMAGE_CMY;
+       }
        break;
 
     case CUPS_CSPACE_K :
@@ -591,61 +515,32 @@ main(int  argc,                           /* I - Number of command-line arguments */
     case CUPS_CSPACE_SILVER :
         primary   = CUPS_IMAGE_BLACK;
        secondary = CUPS_IMAGE_BLACK;
-        header.cupsBitsPerPixel = header.cupsBitsPerColor;
        break;
 
     case CUPS_CSPACE_CMYK :
     case CUPS_CSPACE_YMCK :
     case CUPS_CSPACE_KCMY :
+    case CUPS_CSPACE_KCMYcm :
     case CUPS_CSPACE_GMCK :
     case CUPS_CSPACE_GMCS :
-        primary   = CUPS_IMAGE_CMYK;
-       secondary = CUPS_IMAGE_CMYK;
-
-       if (header.cupsColorOrder == CUPS_ORDER_CHUNKED)
-          header.cupsBitsPerPixel = header.cupsBitsPerColor * 4;
-       else
-         header.cupsBitsPerPixel = header.cupsBitsPerColor;
-       break;
-
-    case CUPS_CSPACE_CMY :
-    case CUPS_CSPACE_YMC :
-        primary   = CUPS_IMAGE_CMY;
-       secondary = CUPS_IMAGE_CMY;
-
-       if (header.cupsColorOrder == CUPS_ORDER_CHUNKED)
-       {
-         if (header.cupsBitsPerColor >= 8)
-            header.cupsBitsPerPixel = 24;
-         else
-            header.cupsBitsPerPixel = header.cupsBitsPerColor * 4;
-       }
-       else
-         header.cupsBitsPerPixel = header.cupsBitsPerColor;
-       break;
-
-    case CUPS_CSPACE_KCMYcm :
-       if (header.cupsBitsPerPixel == 1)
+        if (header.cupsBitsPerColor == 1)
        {
           primary   = CUPS_IMAGE_CMY;
          secondary = CUPS_IMAGE_CMY;
-
-         if (header.cupsColorOrder == CUPS_ORDER_CHUNKED)
-           header.cupsBitsPerPixel = 8;
-         else
-           header.cupsBitsPerPixel = 1;
        }
        else
        {
           primary   = CUPS_IMAGE_CMYK;
          secondary = CUPS_IMAGE_CMYK;
-
-         if (header.cupsColorOrder == CUPS_ORDER_CHUNKED)
-           header.cupsBitsPerPixel = header.cupsBitsPerColor * 4;
-         else
-           header.cupsBitsPerPixel = header.cupsBitsPerColor;
        }
        break;
+
+    case CUPS_CSPACE_CMY :
+    case CUPS_CSPACE_YMC :
+        primary   = CUPS_IMAGE_CMY;
+       secondary = CUPS_IMAGE_CMY;
+       break;
+       break;
   }
 
  /*
@@ -725,7 +620,12 @@ main(int  argc,                            /* I - Number of command-line arguments */
 
   fputs("INFO: Loading image file...\n", stderr);
 
-  img = cupsImageOpen(filename, primary, secondary, sat, hue, lut);
+  if (header.cupsColorSpace == CUPS_CSPACE_CIEXYZ ||
+      header.cupsColorSpace == CUPS_CSPACE_CIELab ||
+      header.cupsColorSpace >= CUPS_CSPACE_ICC1)
+    img = cupsImageOpen(filename, primary, secondary, sat, hue, NULL);
+  else
+    img = cupsImageOpen(filename, primary, secondary, sat, hue, lut);
 
   if (argc == 6)
     unlink(filename);
@@ -968,8 +868,12 @@ main(int  argc,                            /* I - Number of command-line arguments */
     * Set the new custom size...
     */
 
-    header.PageSize[0] = width + 0.5;
-    header.PageSize[1] = length + 0.5;
+    strcpy(header.cupsPageSizeName, "Custom");
+
+    header.cupsPageSize[0] = width + 0.5;
+    header.cupsPageSize[1] = length + 0.5;
+    header.PageSize[0]     = width + 0.5;
+    header.PageSize[1]     = length + 0.5;
 
    /*
     * Update page variables...
@@ -995,13 +899,12 @@ main(int  argc,                           /* I - Number of command-line arguments */
 
     header.cupsWidth  = width * header.HWResolution[0] / 72.0;
     header.cupsHeight = length * header.HWResolution[1] / 72.0;
-  }
-  else
-  {
-    header.cupsWidth   = (PageRight - PageLeft) * header.HWResolution[0] / 72.0;
-    header.cupsHeight  = (PageTop - PageBottom) * header.HWResolution[1] / 72.0;
-    header.PageSize[0] = PageWidth;
-    header.PageSize[1] = PageLength;
+
+    header.cupsBytesPerLine = (header.cupsBitsPerPixel *
+                               header.cupsWidth + 7) / 8;
+
+    if (header.cupsColorOrder == CUPS_ORDER_BANDED)
+      header.cupsBytesPerLine *= header.cupsNumColors;
   }
 
   header.Margins[0] = PageLeft;
@@ -1016,32 +919,32 @@ main(int  argc,                          /* I - Number of command-line arguments */
        switch (XPosition)
        {
          case -1 :
-              header.ImagingBoundingBox[0] = PageLeft;
-             header.ImagingBoundingBox[2] = PageLeft + xprint * 72;
+              header.cupsImagingBBox[0] = PageLeft;
+             header.cupsImagingBBox[2] = PageLeft + xprint * 72;
              break;
          default :
-              header.ImagingBoundingBox[0] = (PageRight + PageLeft - xprint * 72) / 2;
-             header.ImagingBoundingBox[2] = (PageRight + PageLeft + xprint * 72) / 2;
+              header.cupsImagingBBox[0] = (PageRight + PageLeft - xprint * 72) / 2;
+             header.cupsImagingBBox[2] = (PageRight + PageLeft + xprint * 72) / 2;
              break;
          case 1 :
-              header.ImagingBoundingBox[0] = PageRight - xprint * 72;
-             header.ImagingBoundingBox[2] = PageRight;
+              header.cupsImagingBBox[0] = PageRight - xprint * 72;
+             header.cupsImagingBBox[2] = PageRight;
              break;
        }
 
        switch (YPosition)
        {
          case -1 :
-              header.ImagingBoundingBox[1] = PageBottom;
-             header.ImagingBoundingBox[3] = PageBottom + yprint * 72;
+              header.cupsImagingBBox[1] = PageBottom;
+             header.cupsImagingBBox[3] = PageBottom + yprint * 72;
              break;
          default :
-              header.ImagingBoundingBox[1] = (PageTop + PageBottom - yprint * 72) / 2;
-             header.ImagingBoundingBox[3] = (PageTop + PageBottom + yprint * 72) / 2;
+              header.cupsImagingBBox[1] = (PageTop + PageBottom - yprint * 72) / 2;
+             header.cupsImagingBBox[3] = (PageTop + PageBottom + yprint * 72) / 2;
              break;
          case 1 :
-              header.ImagingBoundingBox[1] = PageTop - yprint * 72;
-             header.ImagingBoundingBox[3] = PageTop;
+              header.cupsImagingBBox[1] = PageTop - yprint * 72;
+             header.cupsImagingBBox[3] = PageTop;
              break;
        }
        break;
@@ -1050,32 +953,32 @@ main(int  argc,                          /* I - Number of command-line arguments */
        switch (XPosition)
        {
          case -1 :
-              header.ImagingBoundingBox[0] = PageBottom;
-             header.ImagingBoundingBox[2] = PageBottom + yprint * 72;
+              header.cupsImagingBBox[0] = PageBottom;
+             header.cupsImagingBBox[2] = PageBottom + yprint * 72;
              break;
          default :
-              header.ImagingBoundingBox[0] = (PageTop + PageBottom - yprint * 72) / 2;
-             header.ImagingBoundingBox[2] = (PageTop + PageBottom + yprint * 72) / 2;
+              header.cupsImagingBBox[0] = (PageTop + PageBottom - yprint * 72) / 2;
+             header.cupsImagingBBox[2] = (PageTop + PageBottom + yprint * 72) / 2;
              break;
          case 1 :
-              header.ImagingBoundingBox[0] = PageTop - yprint * 72;
-             header.ImagingBoundingBox[2] = PageTop;
+              header.cupsImagingBBox[0] = PageTop - yprint * 72;
+             header.cupsImagingBBox[2] = PageTop;
              break;
        }
 
        switch (YPosition)
        {
          case -1 :
-              header.ImagingBoundingBox[1] = PageLeft;
-             header.ImagingBoundingBox[3] = PageLeft + xprint * 72;
+              header.cupsImagingBBox[1] = PageLeft;
+             header.cupsImagingBBox[3] = PageLeft + xprint * 72;
              break;
          default :
-              header.ImagingBoundingBox[1] = (PageRight + PageLeft - xprint * 72) / 2;
-             header.ImagingBoundingBox[3] = (PageRight + PageLeft + xprint * 72) / 2;
+              header.cupsImagingBBox[1] = (PageRight + PageLeft - xprint * 72) / 2;
+             header.cupsImagingBBox[3] = (PageRight + PageLeft + xprint * 72) / 2;
              break;
          case 1 :
-              header.ImagingBoundingBox[1] = PageRight - xprint * 72;
-             header.ImagingBoundingBox[3] = PageRight;
+              header.cupsImagingBBox[1] = PageRight - xprint * 72;
+             header.cupsImagingBBox[3] = PageRight;
              break;
        }
        break;
@@ -1084,32 +987,32 @@ main(int  argc,                          /* I - Number of command-line arguments */
        switch (XPosition)
        {
          case 1 :
-              header.ImagingBoundingBox[0] = PageLeft;
-             header.ImagingBoundingBox[2] = PageLeft + xprint * 72;
+              header.cupsImagingBBox[0] = PageLeft;
+             header.cupsImagingBBox[2] = PageLeft + xprint * 72;
              break;
          default :
-              header.ImagingBoundingBox[0] = (PageRight + PageLeft - xprint * 72) / 2;
-             header.ImagingBoundingBox[2] = (PageRight + PageLeft + xprint * 72) / 2;
+              header.cupsImagingBBox[0] = (PageRight + PageLeft - xprint * 72) / 2;
+             header.cupsImagingBBox[2] = (PageRight + PageLeft + xprint * 72) / 2;
              break;
          case -1 :
-              header.ImagingBoundingBox[0] = PageRight - xprint * 72;
-             header.ImagingBoundingBox[2] = PageRight;
+              header.cupsImagingBBox[0] = PageRight - xprint * 72;
+             header.cupsImagingBBox[2] = PageRight;
              break;
        }
 
        switch (YPosition)
        {
          case 1 :
-              header.ImagingBoundingBox[1] = PageBottom;
-             header.ImagingBoundingBox[3] = PageBottom + yprint * 72;
+              header.cupsImagingBBox[1] = PageBottom;
+             header.cupsImagingBBox[3] = PageBottom + yprint * 72;
              break;
          default :
-              header.ImagingBoundingBox[1] = (PageTop + PageBottom - yprint * 72) / 2;
-             header.ImagingBoundingBox[3] = (PageTop + PageBottom + yprint * 72) / 2;
+              header.cupsImagingBBox[1] = (PageTop + PageBottom - yprint * 72) / 2;
+             header.cupsImagingBBox[3] = (PageTop + PageBottom + yprint * 72) / 2;
              break;
          case -1 :
-              header.ImagingBoundingBox[1] = PageTop - yprint * 72;
-             header.ImagingBoundingBox[3] = PageTop;
+              header.cupsImagingBBox[1] = PageTop - yprint * 72;
+             header.cupsImagingBBox[3] = PageTop;
              break;
        }
        break;
@@ -1118,68 +1021,51 @@ main(int  argc,                         /* I - Number of command-line arguments */
        switch (XPosition)
        {
          case 1 :
-              header.ImagingBoundingBox[0] = PageBottom;
-             header.ImagingBoundingBox[2] = PageBottom + yprint * 72;
+              header.cupsImagingBBox[0] = PageBottom;
+             header.cupsImagingBBox[2] = PageBottom + yprint * 72;
              break;
          default :
-              header.ImagingBoundingBox[0] = (PageTop + PageBottom - yprint * 72) / 2;
-             header.ImagingBoundingBox[2] = (PageTop + PageBottom + yprint * 72) / 2;
+              header.cupsImagingBBox[0] = (PageTop + PageBottom - yprint * 72) / 2;
+             header.cupsImagingBBox[2] = (PageTop + PageBottom + yprint * 72) / 2;
              break;
          case -1 :
-              header.ImagingBoundingBox[0] = PageTop - yprint * 72;
-             header.ImagingBoundingBox[2] = PageTop;
+              header.cupsImagingBBox[0] = PageTop - yprint * 72;
+             header.cupsImagingBBox[2] = PageTop;
              break;
        }
 
        switch (YPosition)
        {
          case 1 :
-              header.ImagingBoundingBox[1] = PageLeft;
-             header.ImagingBoundingBox[3] = PageLeft + xprint * 72;
+              header.cupsImagingBBox[1] = PageLeft;
+             header.cupsImagingBBox[3] = PageLeft + xprint * 72;
              break;
          default :
-              header.ImagingBoundingBox[1] = (PageRight + PageLeft - xprint * 72) / 2;
-             header.ImagingBoundingBox[3] = (PageRight + PageLeft + xprint * 72) / 2;
+              header.cupsImagingBBox[1] = (PageRight + PageLeft - xprint * 72) / 2;
+             header.cupsImagingBBox[3] = (PageRight + PageLeft + xprint * 72) / 2;
              break;
          case -1 :
-              header.ImagingBoundingBox[1] = PageRight - xprint * 72;
-             header.ImagingBoundingBox[3] = PageRight;
+              header.cupsImagingBBox[1] = PageRight - xprint * 72;
+             header.cupsImagingBBox[3] = PageRight;
              break;
        }
        break;
   }
 
-  switch (header.cupsColorOrder)
-  {
-    default :
-        header.cupsBytesPerLine = (header.cupsBitsPerPixel *
-                                  header.cupsWidth + 7) / 8;
-        num_planes = 1;
-        break;
-
-    case CUPS_ORDER_BANDED :
-        if (header.cupsColorSpace == CUPS_CSPACE_KCMYcm &&
-           header.cupsBitsPerColor > 1)
-          header.cupsBytesPerLine = (header.cupsBitsPerPixel *
-                                    header.cupsWidth + 7) / 8 * 4;
-        else
-          header.cupsBytesPerLine = (header.cupsBitsPerPixel *
-                                    header.cupsWidth + 7) / 8 *
-                                   Planes[header.cupsColorSpace];
-        num_planes = 1;
-        break;
+  header.ImagingBoundingBox[0] = header.cupsImagingBBox[0];
+  header.ImagingBoundingBox[1] = header.cupsImagingBBox[1];
+  header.ImagingBoundingBox[2] = header.cupsImagingBBox[2];
+  header.ImagingBoundingBox[3] = header.cupsImagingBBox[3];
 
-    case CUPS_ORDER_PLANAR :
-        header.cupsBytesPerLine = (header.cupsBitsPerPixel *
-                                  header.cupsWidth + 7) / 8;
-        num_planes = Planes[header.cupsColorSpace];
-        break;
-  }
+  if (header.cupsColorOrder == CUPS_ORDER_PLANAR)
+    num_planes = header.cupsNumColors;
+  else
+    num_planes = 1;
 
- if (header.cupsBitsPerColor >= 8)
-   zoom_type = CUPS_IZOOM_NORMAL;
- else
-   zoom_type = CUPS_IZOOM_FAST;
 if (header.cupsBitsPerColor >= 8)
+    zoom_type = CUPS_IZOOM_NORMAL;
 else
+    zoom_type = CUPS_IZOOM_FAST;
 
  /*
   * See if we need to collate, and if so how we need to do it...
@@ -1228,8 +1114,6 @@ main(int  argc,                           /* I - Number of command-line arguments */
           OnPixels[i]  = 17 * (i / 17 + 1);
           OffPixels[i] = 17 * (i / 16);
         }
-
-       OnPixels[255] = OffPixels[255] = 0xff;
         break;
   }
 
@@ -1246,9 +1130,8 @@ main(int  argc,                           /* I - Number of command-line arguments */
   fprintf(stderr, "DEBUG: cupsColorSpace = %d\n", header.cupsColorSpace);
   fprintf(stderr, "DEBUG: img->colorspace = %d\n", img->colorspace);
 
-  row   = malloc(2 * header.cupsBytesPerLine);
-  ras   = cupsRasterOpen(1, CUPS_RASTER_WRITE);
-  blank = img->colorspace < 0 ? 0 : ~0;
+  row = malloc(2 * header.cupsBytesPerLine);
+  ras = cupsRasterOpen(1, CUPS_RASTER_WRITE);
 
   for (i = 0, page = 1; i < Copies; i ++)
     for (xpage = 0; xpage < xpages; xpage ++)
@@ -1286,11 +1169,11 @@ main(int  argc,                         /* I - Number of command-line arguments */
          */
 
           if (Flip)
-           z = cupsImageZoomNew(img, xc0, yc0, xc1, yc1, -xtemp, ytemp,
-                                Orientation & 1, zoom_type);
+           z = _cupsImageZoomNew(img, xc0, yc0, xc1, yc1, -xtemp, ytemp,
+                                 Orientation & 1, zoom_type);
           else
-           z = cupsImageZoomNew(img, xc0, yc0, xc1, yc1, xtemp, ytemp,
-                                Orientation & 1, zoom_type);
+           z = _cupsImageZoomNew(img, xc0, yc0, xc1, yc1, xtemp, ytemp,
+                                 Orientation & 1, zoom_type);
 
          /*
          * Write leading blank space as needed...
@@ -1298,12 +1181,14 @@ main(int  argc,                         /* I - Number of command-line arguments */
 
           if (header.cupsHeight > z->ysize && YPosition <= 0)
          {
-           memset(row, blank, header.cupsBytesPerLine);
+           blank_line(&header, row);
 
             y = header.cupsHeight - z->ysize;
            if (YPosition == 0)
              y /= 2;
 
+            fprintf(stderr, "DEBUG: Writing %d leading blank lines...\n", y);
+
            for (; y > 0; y --)
            {
              if (cupsRasterWritePixels(ras, row, header.cupsBytesPerLine) <
@@ -1327,9 +1212,9 @@ main(int  argc,                           /* I - Number of command-line arguments */
            if (iy != last_iy)
            {
              if (zoom_type != CUPS_IZOOM_FAST && (iy - last_iy) > 1)
-               cupsImageZoomFill(z, iy);
+               _cupsImageZoomFill(z, iy);
 
-              cupsImageZoomFill(z, iy + z->yincr);
+              _cupsImageZoomFill(z, iy + z->yincr);
 
               last_iy = iy;
            }
@@ -1338,7 +1223,7 @@ main(int  argc,                           /* I - Number of command-line arguments */
            * Format this line of raster data for the printer...
            */
 
-           memset(row, blank, header.cupsBytesPerLine);
+           blank_line(&header, row);
 
             r0 = z->rows[z->row];
             r1 = z->rows[1 - z->row];
@@ -1384,14 +1269,17 @@ main(int  argc,                         /* I - Number of command-line arguments */
                  format_YMCK(&header, row, y, plane, z->xsize, z->ysize,
                              yerr0, yerr1, r0, r1);
                  break;
+             case CUPS_CSPACE_KCMYcm :
+                 if (header.cupsBitsPerColor == 1)
+                 {
+                   format_KCMYcm(&header, row, y, plane, z->xsize, z->ysize,
+                                 yerr0, yerr1, r0, r1);
+                   break;
+                 }
              case CUPS_CSPACE_KCMY :
                  format_KCMY(&header, row, y, plane, z->xsize, z->ysize,
                              yerr0, yerr1, r0, r1);
                  break;
-             case CUPS_CSPACE_KCMYcm :
-                 format_KCMYcm(&header, row, y, plane, z->xsize, z->ysize,
-                               yerr0, yerr1, r0, r1);
-                 break;
            }
 
            /*
@@ -1427,12 +1315,14 @@ main(int  argc,                         /* I - Number of command-line arguments */
 
           if (header.cupsHeight > z->ysize && YPosition >= 0)
          {
-           memset(row, blank, header.cupsBytesPerLine);
+           blank_line(&header, row);
 
             y = header.cupsHeight - z->ysize;
            if (YPosition == 0)
              y = y - y / 2;
 
+            fprintf(stderr, "DEBUG: Writing %d trailing blank lines...\n", y);
+
            for (; y > 0; y --)
            {
              if (cupsRasterWritePixels(ras, row, header.cupsBytesPerLine) <
@@ -1449,7 +1339,7 @@ main(int  argc,                           /* I - Number of command-line arguments */
          * Free memory used for the "zoom" engine...
          */
 
-          cupsImageZoomDelete(z);
+          _cupsImageZoomDelete(z);
         }
       }
 
@@ -1467,179 +1357,73 @@ main(int  argc,                                /* I - Number of command-line arguments */
 
 
 /*
- * 'exec_code()' - Execute PostScript setpagedevice commands as appropriate.
+ * 'blank_line()' - Clear a line buffer to the blank value...
  */
 
 static void
-exec_code(cups_page_header2_t *header, /* I - Page header */
-          const char          *code)   /* I - Option choice to execute */
+blank_line(cups_page_header2_t *header,        /* I - Page header */
+           unsigned char       *row)   /* I - Row buffer */
 {
-  char *ptr,                           /* Pointer into name/value string */
-       name[255],                      /* Name of pagedevice entry */
-       value[1024];                    /* Value of pagedevice entry */
-
-
-  for (; *code != '\0';)
-  {
-   /*
-    * Search for the start of a dictionary name...
-    */
-
-    while (*code != '/' && *code != '\0')
-      code ++;
-
-    if (*code == '\0')
-      break;
-
-   /*
-    * Get the name...
-    */
-
-    code ++;
-    for (ptr = name; isalnum(*code & 255) && (ptr - name) < (sizeof(name) - 1);)
-      *ptr++ = *code++;
-    *ptr = '\0';
-
-   /*
-    * The parse the value as needed...
-    */
-
-    while (isspace(*code & 255))
-      code ++;
-
-    if (*code == '\0')
-      break;
+  int  count;                          /* Remaining bytes */
 
-    if (*code == '[')
-    {
-     /*
-      * Read array of values...
-      */
 
-      code ++;
-      for (ptr = value;
-           *code != ']' && *code != '\0' &&
-              (ptr - value) < (sizeof(value) - 1);)
-       *ptr++ = *code++;
-      *ptr = '\0';
-    }
-    else if (*code == '(')
-    {
-     /*
-      * Read string value...
-      */
+  count = header->cupsBytesPerLine;
 
-      code ++;
-      for (ptr = value;
-           *code != ')' && *code != '\0' &&
-              (ptr - value) < (sizeof(value) - 1);)
-        if (*code == '\\')
+  switch (header->cupsColorSpace)
+  {
+    case CUPS_CSPACE_CIEXYZ :
+        while (count > 2)
        {
-         code ++;
-         if (isdigit(*code & 255))
-           *ptr++ = (char)strtol(code, (char **)&code, 8);
-          else
-           *ptr++ = *code++;
+         *row++ = 242;
+         *row++ = 255;
+         *row++ = 255;
+         count -= 3;
        }
-       else
-          *ptr++ = *code++;
-
-      *ptr = '\0';
-    }
-    else if (isdigit(*code & 255) || *code == '-')
-    {
-     /*
-      * Read single number...
-      */
-
-      for (ptr = value;
-           (isdigit(*code & 255) || *code == '-') &&
-              (ptr - value) < (sizeof(value) - 1);)
-       *ptr++ = *code++;
-      *ptr = '\0';
-    }
-    else
-    {
-     /*
-      * Read a single name...
-      */
+       break;
 
-      for (ptr = value;
-           (isalnum(*code & 255) || *code == '_') &&
-              (ptr - value) < (sizeof(value) - 1);)
-       *ptr++ = *code++;
-      *ptr = '\0';
-    }
+    case CUPS_CSPACE_CIELab :
+    case CUPS_CSPACE_ICC1 :
+    case CUPS_CSPACE_ICC2 :
+    case CUPS_CSPACE_ICC3 :
+    case CUPS_CSPACE_ICC4 :
+    case CUPS_CSPACE_ICC5 :
+    case CUPS_CSPACE_ICC6 :
+    case CUPS_CSPACE_ICC7 :
+    case CUPS_CSPACE_ICC8 :
+    case CUPS_CSPACE_ICC9 :
+    case CUPS_CSPACE_ICCA :
+    case CUPS_CSPACE_ICCB :
+    case CUPS_CSPACE_ICCC :
+    case CUPS_CSPACE_ICCD :
+    case CUPS_CSPACE_ICCE :
+    case CUPS_CSPACE_ICCF :
+        while (count > 2)
+       {
+         *row++ = 255;
+         *row++ = 128;
+         *row++ = 128;
+         count -= 3;
+       }
+        break;
 
-   /*
-    * Assign the value as needed...
-    */
+    case CUPS_CSPACE_K :
+    case CUPS_CSPACE_CMY :
+    case CUPS_CSPACE_CMYK :
+    case CUPS_CSPACE_YMC :
+    case CUPS_CSPACE_YMCK :
+    case CUPS_CSPACE_KCMY :
+    case CUPS_CSPACE_KCMYcm :
+    case CUPS_CSPACE_GMCK :
+    case CUPS_CSPACE_GMCS :
+    case CUPS_CSPACE_WHITE :
+    case CUPS_CSPACE_GOLD :
+    case CUPS_CSPACE_SILVER :
+        memset(row, 0, count);
+       break;
 
-    if (!strcmp(name, "MediaClass"))
-      strlcpy(header->MediaClass, value, sizeof(header->MediaClass));
-    else if (!strcmp(name, "MediaColor"))
-      strlcpy(header->MediaColor, value, sizeof(header->MediaColor));
-    else if (!strcmp(name, "MediaType"))
-      strlcpy(header->MediaType, value, sizeof(header->MediaType));
-    else if (!strcmp(name, "OutputType"))
-      strlcpy(header->OutputType, value, sizeof(header->OutputType));
-    else if (!strcmp(name, "AdvanceDistance"))
-      header->AdvanceDistance = atoi(value);
-    else if (!strcmp(name, "AdvanceMedia"))
-      header->AdvanceMedia = atoi(value);
-    else if (!strcmp(name, "Collate"))
-      header->Collate = !strcmp(value, "true");
-    else if (!strcmp(name, "CutMedia"))
-      header->CutMedia = (cups_cut_t)atoi(value);
-    else if (!strcmp(name, "Duplex"))
-      header->Duplex = !strcmp(value, "true");
-    else if (!strcmp(name, "HWResolution"))
-      sscanf(value, "%d%d", header->HWResolution + 0, header->HWResolution + 1);
-    else if (!strcmp(name, "InsertSheet"))
-      header->InsertSheet = !strcmp(value, "true");
-    else if (!strcmp(name, "Jog"))
-      header->Jog = atoi(value);
-    else if (!strcmp(name, "LeadingEdge"))
-      header->LeadingEdge = atoi(value);
-    else if (!strcmp(name, "Margins"))
-      sscanf(value, "%d%d", header->Margins + 0, header->Margins + 1);
-    else if (!strcmp(name, "ManualFeed"))
-      header->ManualFeed = !strcmp(value, "true");
-    else if (!strcmp(name, "cupsMediaPosition") || /* Compatibility */
-             !strcmp(name, "MediaPosition"))
-      header->MediaPosition = atoi(value);
-    else if (!strcmp(name, "MediaWeight"))
-      header->MediaWeight = atoi(value);
-    else if (!strcmp(name, "MirrorPrint"))
-      header->MirrorPrint = !strcmp(value, "true");
-    else if (!strcmp(name, "NegativePrint"))
-      header->NegativePrint = !strcmp(value, "true");
-    else if (!strcmp(name, "Orientation"))
-      header->Orientation = atoi(value);
-    else if (!strcmp(name, "OutputFaceUp"))
-      header->OutputFaceUp = !strcmp(value, "true");
-    else if (!strcmp(name, "Separations"))
-      header->Separations = !strcmp(value, "true");
-    else if (!strcmp(name, "TraySwitch"))
-      header->TraySwitch = !strcmp(value, "true");
-    else if (!strcmp(name, "Tumble"))
-      header->Tumble = !strcmp(value, "true");
-    else if (!strcmp(name, "cupsMediaType"))
-      header->cupsMediaType = atoi(value);
-    else if (!strcmp(name, "cupsBitsPerColor"))
-      header->cupsBitsPerColor = atoi(value);
-    else if (!strcmp(name, "cupsColorOrder"))
-      header->cupsColorOrder = (cups_order_t)atoi(value);
-    else if (!strcmp(name, "cupsColorSpace"))
-      header->cupsColorSpace = (cups_cspace_t)atoi(value);
-    else if (!strcmp(name, "cupsCompression"))
-      header->cupsCompression = atoi(value);
-    else if (!strcmp(name, "cupsRowCount"))
-      header->cupsRowCount = atoi(value);
-    else if (!strcmp(name, "cupsRowFeed"))
-      header->cupsRowFeed = atoi(value);
-    else if (!strcmp(name, "cupsRowStep"))
-      header->cupsRowStep = atoi(value);
+    default :
+        memset(row, 255, count);
+       break;
   }
 }
 
@@ -1657,18 +1441,18 @@ format_CMY(cups_page_header2_t *header, /* I - Page header */
            int                ysize,   /* I - Height of image data */
            int                yerr0,   /* I - Top Y error */
            int                yerr1,   /* I - Bottom Y error */
-           cups_ib_t               *r0,        /* I - Primary image data */
-           cups_ib_t               *r1)        /* I - Image data for interpolation */
+           cups_ib_t          *r0,     /* I - Primary image data */
+           cups_ib_t          *r1)     /* I - Image data for interpolation */
 {
-  cups_ib_t            *ptr,           /* Pointer into row */
-               *cptr,          /* Pointer into cyan */
-               *mptr,          /* Pointer into magenta */
-               *yptr,          /* Pointer into yellow */
-               bitmask;        /* Current mask for pixel */
-  int          bitoffset;      /* Current offset in line */
-  int          bandwidth;      /* Width of a color band */
-  int          x,              /* Current X coordinate on page */
-               *dither;        /* Pointer into dither array */
+  cups_ib_t    *ptr,                   /* Pointer into row */
+               *cptr,                  /* Pointer into cyan */
+               *mptr,                  /* Pointer into magenta */
+               *yptr,                  /* Pointer into yellow */
+               bitmask;                /* Current mask for pixel */
+  int          bitoffset;              /* Current offset in line */
+  int          bandwidth;              /* Width of a color band */
+  int          x,                      /* Current X coordinate on page */
+               *dither;                /* Pointer into dither array */
 
 
   switch (XPosition)
@@ -1694,7 +1478,7 @@ format_CMY(cups_page_header2_t *header,   /* I - Page header */
         {
           case 1 :
               bitmask = 64 >> (bitoffset & 7);
-             dither  = Floyd16xc16[y & 15];
+             dither  = Floyd16x16[y & 15];
 
               for (x = xsize ; x > 0; x --)
               {
@@ -1782,7 +1566,7 @@ format_CMY(cups_page_header2_t *header,   /* I - Page header */
         {
           case 1 :
               bitmask = 0x80 >> (bitoffset & 7);
-             dither  = Floyd16xc16[y & 15];
+             dither  = Floyd16x16[y & 15];
 
               for (x = xsize; x > 0; x --)
               {
@@ -1806,7 +1590,7 @@ format_CMY(cups_page_header2_t *header,   /* I - Page header */
               break;
 
           case 2 :
-              bitmask = 0x0 >> (bitoffset & 7);
+              bitmask = 0xc0 >> (bitoffset & 7);
              dither  = Floyd8x8[y & 7];
 
               for (x = xsize; x > 0; x --)
@@ -1830,7 +1614,7 @@ format_CMY(cups_page_header2_t *header,   /* I - Page header */
                  bitmask >>= 2;
                else
                {
-                 bitmask = 0x0;
+                 bitmask = 0xc0;
 
                  cptr ++;
                  mptr ++;
@@ -1900,7 +1684,7 @@ format_CMY(cups_page_header2_t *header,   /* I - Page header */
         {
           case 1 :
               bitmask = 0x80 >> (bitoffset & 7);
-             dither  = Floyd16xc16[y & 15];
+             dither  = Floyd16x16[y & 15];
 
               switch (z)
              {
@@ -1955,7 +1739,7 @@ format_CMY(cups_page_header2_t *header,   /* I - Page header */
               break;
 
           case 2 :
-              bitmask = 0x0 >> (bitoffset & 7);
+              bitmask = 0xc0 >> (bitoffset & 7);
              dither  = Floyd8x8[y & 7];
               r0 += z;
 
@@ -1970,7 +1754,7 @@ format_CMY(cups_page_header2_t *header,   /* I - Page header */
                  bitmask >>= 2;
                else
                {
-                 bitmask = 0x0;
+                 bitmask = 0xc0;
 
                  ptr ++;
                }
@@ -2023,7 +1807,7 @@ format_CMY(cups_page_header2_t *header,   /* I - Page header */
  */
 
 static void
-format_CMYK(cups_page_header2_t *header,       /* I - Page header */
+format_CMYK(cups_page_header2_t *header,/* I - Page header */
             unsigned char       *row,  /* IO - Bitmap data for device */
            int                 y,      /* I - Current row */
            int                 z,      /* I - Current plane */
@@ -2031,19 +1815,20 @@ format_CMYK(cups_page_header2_t *header,        /* I - Page header */
            int                 ysize,  /* I - Height of image data */
            int                 yerr0,  /* I - Top Y error */
            int                 yerr1,  /* I - Bottom Y error */
-           cups_ib_t                *r0,       /* I - Primary image data */
-           cups_ib_t                *r1)       /* I - Image data for interpolation */
+           cups_ib_t           *r0,    /* I - Primary image data */
+           cups_ib_t           *r1)    /* I - Image data for interpolation */
 {
-  cups_ib_t            *ptr,           /* Pointer into row */
-               *cptr,          /* Pointer into cyan */
-               *mptr,          /* Pointer into magenta */
-               *yptr,          /* Pointer into yellow */
-               *kptr,          /* Pointer into black */
-               bitmask;        /* Current mask for pixel */
-  int          bitoffset;      /* Current offset in line */
-  int          bandwidth;      /* Width of a color band */
-  int          x,              /* Current X coordinate on page */
-               *dither;        /* Pointer into dither array */
+  cups_ib_t    *ptr,                   /* Pointer into row */
+               *cptr,                  /* Pointer into cyan */
+               *mptr,                  /* Pointer into magenta */
+               *yptr,                  /* Pointer into yellow */
+               *kptr,                  /* Pointer into black */
+               bitmask;                /* Current mask for pixel */
+  int          bitoffset;              /* Current offset in line */
+  int          bandwidth;              /* Width of a color band */
+  int          x,                      /* Current X coordinate on page */
+               *dither;                /* Pointer into dither array */
+  int          pc, pm, py;             /* CMY pixels */
 
 
   switch (XPosition)
@@ -2069,24 +1854,33 @@ format_CMYK(cups_page_header2_t *header,        /* I - Page header */
         {
           case 1 :
               bitmask = 128 >> (bitoffset & 7);
-             dither  = Floyd16xc16[y & 15];
+             dither  = Floyd16x16[y & 15];
 
               for (x = xsize ; x > 0; x --)
               {
-               if (*r0++ > dither[x & 15])
-                 *ptr ^= bitmask;
-               bitmask >>= 1;
+               pc = *r0++ > dither[x & 15];
+               pm = *r0++ > dither[x & 15];
+               py = *r0++ > dither[x & 15];
 
-               if (*r0++ > dither[x & 15])
+               if (pc && pm && py)
+               {
+                 bitmask >>= 3;
                  *ptr ^= bitmask;
-               bitmask >>= 1;
+               }
+               else
+               {
+                 if (pc)
+                   *ptr ^= bitmask;
+                 bitmask >>= 1;
 
-               if (*r0++ > dither[x & 15])
-                 *ptr ^= bitmask;
-               bitmask >>= 1;
+                 if (pm)
+                   *ptr ^= bitmask;
+                 bitmask >>= 1;
 
-               if (*r0++ > dither[x & 15])
-                 *ptr ^= bitmask;
+                 if (py)
+                   *ptr ^= bitmask;
+                 bitmask >>= 1;
+                }
 
                 if (bitmask > 1)
                  bitmask >>= 1;
@@ -2104,9 +1898,9 @@ format_CMYK(cups_page_header2_t *header,  /* I - Page header */
               for (x = xsize ; x > 0; x --, r0 += 4)
               {
                if ((r0[0] & 63) > dither[x & 7])
-                 *ptr ^= (0x0 & OnPixels[r0[0]]);
+                 *ptr ^= (0xc0 & OnPixels[r0[0]]);
                else
-                 *ptr ^= (0x0 & OffPixels[r0[0]]);
+                 *ptr ^= (0xc0 & OffPixels[r0[0]]);
 
                if ((r0[1] & 63) > dither[x & 7])
                  *ptr ^= (0x30 & OnPixels[r0[1]]);
@@ -2172,18 +1966,25 @@ format_CMYK(cups_page_header2_t *header,        /* I - Page header */
         {
           case 1 :
               bitmask = 0x80 >> (bitoffset & 7);
-             dither  = Floyd16xc16[y & 15];
+             dither  = Floyd16x16[y & 15];
 
               for (x = xsize; x > 0; x --)
               {
-               if (*r0++ > dither[x & 15])
-                 *cptr ^= bitmask;
-               if (*r0++ > dither[x & 15])
-                 *mptr ^= bitmask;
-               if (*r0++ > dither[x & 15])
-                 *yptr ^= bitmask;
-               if (*r0++ > dither[x & 15])
-                 *kptr ^= bitmask;
+               pc = *r0++ > dither[x & 15];
+               pm = *r0++ > dither[x & 15];
+               py = *r0++ > dither[x & 15];
+
+               if (pc && pm && py)
+                 *kptr ^= bitmask;
+               else
+               {
+                 if (pc)
+                   *cptr ^= bitmask;
+                 if (pm)
+                   *mptr ^= bitmask;
+                 if (py)
+                   *yptr ^= bitmask;
+                }
 
                 if (bitmask > 1)
                  bitmask >>= 1;
@@ -2199,7 +2000,7 @@ format_CMYK(cups_page_header2_t *header,  /* I - Page header */
               break;
 
           case 2 :
-              bitmask = 0x0 >> (bitoffset & 7);
+              bitmask = 0xc0 >> (bitoffset & 7);
              dither  = Floyd8x8[y & 7];
 
               for (x = xsize; x > 0; x --)
@@ -2228,7 +2029,7 @@ format_CMYK(cups_page_header2_t *header,  /* I - Page header */
                  bitmask >>= 2;
                else
                {
-                 bitmask = 0x0;
+                 bitmask = 0xc0;
 
                  cptr ++;
                  mptr ++;
@@ -2310,12 +2111,16 @@ format_CMYK(cups_page_header2_t *header,        /* I - Page header */
         {
           case 1 :
               bitmask = 0x80 >> (bitoffset & 7);
-             dither  = Floyd16xc16[y & 15];
-              r0      += z;
+             dither  = Floyd16x16[y & 15];
 
-              for (x = xsize; x > 0; x --, r0 += 4)
+              for (x = xsize; x > 0; x --)
               {
-               if (*r0 > dither[x & 15])
+               pc = *r0++ > dither[x & 15];
+               pm = *r0++ > dither[x & 15];
+               py = *r0++ > dither[x & 15];
+
+               if ((pc && pm && py && z == 3) ||
+                   (pc && z == 0) || (pm && z == 1) || (py && z == 2))
                  *ptr ^= bitmask;
 
                 if (bitmask > 1)
@@ -2329,7 +2134,7 @@ format_CMYK(cups_page_header2_t *header,  /* I - Page header */
              break;
 
           case 2 :
-              bitmask = 0x0 >> (bitoffset & 7);
+              bitmask = 0xc0 >> (bitoffset & 7);
              dither  = Floyd8x8[y & 7];
               r0      += z;
 
@@ -2344,7 +2149,7 @@ format_CMYK(cups_page_header2_t *header,  /* I - Page header */
                  bitmask >>= 2;
                else
                {
-                 bitmask = 0x0;
+                 bitmask = 0xc0;
 
                  ptr ++;
                }
@@ -2405,14 +2210,14 @@ format_K(cups_page_header2_t *header,   /* I - Page header */
         int                 ysize,     /* I - Height of image data */
         int                 yerr0,     /* I - Top Y error */
         int                 yerr1,     /* I - Bottom Y error */
-        cups_ib_t                *r0,  /* I - Primary image data */
-        cups_ib_t                *r1)  /* I - Image data for interpolation */
+        cups_ib_t           *r0,       /* I - Primary image data */
+        cups_ib_t           *r1)       /* I - Image data for interpolation */
 {
-  cups_ib_t            *ptr,           /* Pointer into row */
-               bitmask;        /* Current mask for pixel */
-  int          bitoffset;      /* Current offset in line */
-  int          x,              /* Current X coordinate on page */
-               *dither;        /* Pointer into dither array */
+  cups_ib_t    *ptr,                   /* Pointer into row */
+               bitmask;                /* Current mask for pixel */
+  int          bitoffset;              /* Current offset in line */
+  int          x,                      /* Current X coordinate on page */
+               *dither;                /* Pointer into dither array */
 
 
   (void)z;
@@ -2436,7 +2241,7 @@ format_K(cups_page_header2_t *header,     /* I - Page header */
   {
     case 1 :
         bitmask = 0x80 >> (bitoffset & 7);
-        dither  = Floyd16xc16[y & 15];
+        dither  = Floyd16x16[y & 15];
 
         for (x = xsize; x > 0; x --)
         {
@@ -2454,7 +2259,7 @@ format_K(cups_page_header2_t *header,     /* I - Page header */
         break;
 
     case 2 :
-        bitmask = 0x0 >> (bitoffset & 7);
+        bitmask = 0xc0 >> (bitoffset & 7);
         dither  = Floyd8x8[y & 7];
 
         for (x = xsize; x > 0; x --)
@@ -2468,7 +2273,7 @@ format_K(cups_page_header2_t *header,     /* I - Page header */
            bitmask >>= 2;
          else
          {
-           bitmask = 0x0;
+           bitmask = 0xc0;
 
            ptr ++;
           }
@@ -2515,7 +2320,7 @@ format_K(cups_page_header2_t *header,     /* I - Page header */
  */
 
 static void
-format_KCMY(cups_page_header2_t *header,       /* I - Page header */
+format_KCMY(cups_page_header2_t *header,/* I - Page header */
             unsigned char       *row,  /* IO - Bitmap data for device */
            int                 y,      /* I - Current row */
            int                 z,      /* I - Current plane */
@@ -2523,19 +2328,20 @@ format_KCMY(cups_page_header2_t *header,        /* I - Page header */
            int                 ysize,  /* I - Height of image data */
            int                 yerr0,  /* I - Top Y error */
            int                 yerr1,  /* I - Bottom Y error */
-           cups_ib_t                *r0,       /* I - Primary image data */
-           cups_ib_t                *r1)       /* I - Image data for interpolation */
+           cups_ib_t           *r0,    /* I - Primary image data */
+           cups_ib_t           *r1)    /* I - Image data for interpolation */
 {
-  cups_ib_t            *ptr,           /* Pointer into row */
-               *cptr,          /* Pointer into cyan */
-               *mptr,          /* Pointer into magenta */
-               *yptr,          /* Pointer into yellow */
-               *kptr,          /* Pointer into black */
-               bitmask;        /* Current mask for pixel */
-  int          bitoffset;      /* Current offset in line */
-  int          bandwidth;      /* Width of a color band */
-  int          x,              /* Current X coordinate on page */
-               *dither;        /* Pointer into dither array */
+  cups_ib_t    *ptr,                   /* Pointer into row */
+               *cptr,                  /* Pointer into cyan */
+               *mptr,                  /* Pointer into magenta */
+               *yptr,                  /* Pointer into yellow */
+               *kptr,                  /* Pointer into black */
+               bitmask;                /* Current mask for pixel */
+  int          bitoffset;              /* Current offset in line */
+  int          bandwidth;              /* Width of a color band */
+  int          x,                      /* Current X coordinate on page */
+               *dither;                /* Pointer into dither array */
+  int          pc, pm, py;             /* CMY pixels */
 
 
   switch (XPosition)
@@ -2561,24 +2367,33 @@ format_KCMY(cups_page_header2_t *header,        /* I - Page header */
         {
           case 1 :
               bitmask = 128 >> (bitoffset & 7);
-              dither  = Floyd16xc16[y & 15];
+              dither  = Floyd16x16[y & 15];
 
-              for (x = xsize ; x > 0; x --, r0 += 4)
+              for (x = xsize ; x > 0; x --)
               {
-               if (r0[3] > dither[x & 15])
-                 *ptr ^= bitmask;
-               bitmask >>= 1;
+               pc = *r0++ > dither[x & 15];
+               pm = *r0++ > dither[x & 15];
+               py = *r0++ > dither[x & 15];
 
-               if (r0[0] > dither[x & 15])
+               if (pc && pm && py)
+               {
                  *ptr ^= bitmask;
-               bitmask >>= 1;
+                 bitmask >>= 3;
+               }
+               else
+               {
+                 bitmask >>= 1;
+                 if (pc)
+                   *ptr ^= bitmask;
 
-               if (r0[1] > dither[x & 15])
-                 *ptr ^= bitmask;
-               bitmask >>= 1;
+                 bitmask >>= 1;
+                 if (pm)
+                   *ptr ^= bitmask;
 
-               if (r0[2] > dither[x & 15])
-                 *ptr ^= bitmask;
+                 bitmask >>= 1;
+                 if (py)
+                   *ptr ^= bitmask;
+                }
 
                 if (bitmask > 1)
                  bitmask >>= 1;
@@ -2596,9 +2411,9 @@ format_KCMY(cups_page_header2_t *header,  /* I - Page header */
               for (x = xsize ; x > 0; x --, r0 += 4)
               {
                if ((r0[3] & 63) > dither[x & 7])
-                 *ptr ^= (0x0 & OnPixels[r0[3]]);
+                 *ptr ^= (0xc0 & OnPixels[r0[3]]);
                else
-                 *ptr ^= (0x0 & OffPixels[r0[3]]);
+                 *ptr ^= (0xc0 & OffPixels[r0[3]]);
 
                if ((r0[0] & 63) > dither[x & 7])
                  *ptr ^= (0x30 & OnPixels[r0[0]]);
@@ -2681,18 +2496,25 @@ format_KCMY(cups_page_header2_t *header,        /* I - Page header */
         {
           case 1 :
               bitmask = 0x80 >> (bitoffset & 7);
-              dither  = Floyd16xc16[y & 15];
+              dither  = Floyd16x16[y & 15];
 
               for (x = xsize; x > 0; x --)
               {
-               if (*r0++ > dither[x & 15])
-                 *cptr ^= bitmask;
-               if (*r0++ > dither[x & 15])
-                 *mptr ^= bitmask;
-               if (*r0++ > dither[x & 15])
-                 *yptr ^= bitmask;
-               if (*r0++ > dither[x & 15])
-                 *kptr ^= bitmask;
+               pc = *r0++ > dither[x & 15];
+               pm = *r0++ > dither[x & 15];
+               py = *r0++ > dither[x & 15];
+
+               if (pc && pm && py)
+                 *kptr ^= bitmask;
+               else
+               {
+                 if (pc)
+                   *cptr ^= bitmask;
+                 if (pm)
+                   *mptr ^= bitmask;
+                 if (py)
+                   *yptr ^= bitmask;
+                }
 
                 if (bitmask > 1)
                  bitmask >>= 1;
@@ -2708,7 +2530,7 @@ format_KCMY(cups_page_header2_t *header,  /* I - Page header */
               break;
 
           case 2 :
-              bitmask = 0x0 >> (bitoffset & 7);
+              bitmask = 0xc0 >> (bitoffset & 7);
               dither  = Floyd8x8[y & 7];
 
               for (x = xsize; x > 0; x --)
@@ -2737,7 +2559,7 @@ format_KCMY(cups_page_header2_t *header,  /* I - Page header */
                  bitmask >>= 2;
                else
                {
-                 bitmask = 0x0;
+                 bitmask = 0xc0;
 
                  cptr ++;
                  mptr ++;
@@ -2819,15 +2641,16 @@ format_KCMY(cups_page_header2_t *header,        /* I - Page header */
         {
           case 1 :
               bitmask = 0x80 >> (bitoffset & 7);
-              dither  = Floyd16xc16[y & 15];
-             if (z == 0)
-               r0 += 3;
-             else
-               r0 += z - 1;
+              dither  = Floyd16x16[y & 15];
 
-              for (x = xsize; x > 0; x --, r0 += 4)
+              for (x = xsize; x > 0; x --)
               {
-               if (*r0 > dither[x & 15])
+               pc = *r0++ > dither[x & 15];
+               pm = *r0++ > dither[x & 15];
+               py = *r0++ > dither[x & 15];
+
+               if ((pc && pm && py && z == 0) ||
+                   (pc && z == 1) || (pm && z == 2) || (py && z == 3))
                  *ptr ^= bitmask;
 
                 if (bitmask > 1)
@@ -2841,7 +2664,7 @@ format_KCMY(cups_page_header2_t *header,  /* I - Page header */
              break;
 
           case 2 :
-              bitmask = 0x0 >> (bitoffset & 7);
+              bitmask = 0xc0 >> (bitoffset & 7);
               dither  = Floyd8x8[y & 7];
               if (z == 0)
                r0 += 3;
@@ -2859,7 +2682,7 @@ format_KCMY(cups_page_header2_t *header,  /* I - Page header */
                  bitmask >>= 2;
                else
                {
-                 bitmask = 0x0;
+                 bitmask = 0xc0;
 
                  ptr ++;
                }
@@ -2923,30 +2746,31 @@ format_KCMY(cups_page_header2_t *header,        /* I - Page header */
  */
 
 static void
-format_KCMYcm(cups_page_header2_t *header,/* I - Page header */
-              unsigned char       *row,        /* IO - Bitmap data for device */
-             int                 y,    /* I - Current row */
-             int                 z,    /* I - Current plane */
-             int                 xsize,/* I - Width of image data */
-             int                 ysize,/* I - Height of image data */
-             int                 yerr0,/* I - Top Y error */
-             int                 yerr1,/* I - Bottom Y error */
-             cups_ib_t                *r0,     /* I - Primary image data */
-             cups_ib_t                *r1)     /* I - Image data for interpolation */
+format_KCMYcm(
+    cups_page_header2_t *header,       /* I - Page header */
+    unsigned char       *row,          /* IO - Bitmap data for device */
+    int                 y,             /* I - Current row */
+    int                 z,             /* I - Current plane */
+    int                 xsize,         /* I - Width of image data */
+    int                 ysize,         /* I - Height of image data */
+    int                 yerr0,         /* I - Top Y error */
+    int                 yerr1,         /* I - Bottom Y error */
+    cups_ib_t           *r0,           /* I - Primary image data */
+    cups_ib_t           *r1)           /* I - Image data for interpolation */
 {
-  int          pc, pm, py, pk; /* Cyan, magenta, yellow, and black values */
-  cups_ib_t            *ptr,           /* Pointer into row */
-               *cptr,          /* Pointer into cyan */
-               *mptr,          /* Pointer into magenta */
-               *yptr,          /* Pointer into yellow */
-               *kptr,          /* Pointer into black */
-               *lcptr,         /* Pointer into light cyan */
-               *lmptr,         /* Pointer into light magenta */
-               bitmask;        /* Current mask for pixel */
-  int          bitoffset;      /* Current offset in line */
-  int          bandwidth;      /* Width of a color band */
-  int          x,              /* Current X coordinate on page */
-               *dither;        /* Pointer into dither array */
+  int          pc, pm, py, pk;         /* Cyan, magenta, yellow, and black values */
+  cups_ib_t    *ptr,                   /* Pointer into row */
+               *cptr,                  /* Pointer into cyan */
+               *mptr,                  /* Pointer into magenta */
+               *yptr,                  /* Pointer into yellow */
+               *kptr,                  /* Pointer into black */
+               *lcptr,                 /* Pointer into light cyan */
+               *lmptr,                 /* Pointer into light magenta */
+               bitmask;                /* Current mask for pixel */
+  int          bitoffset;              /* Current offset in line */
+  int          bandwidth;              /* Width of a color band */
+  int          x,                      /* Current X coordinate on page */
+               *dither;                /* Pointer into dither array */
 
 
   switch (XPosition)
@@ -2962,68 +2786,37 @@ format_KCMYcm(cups_page_header2_t *header,/* I - Page header */
        break;
   }
 
-  ptr = row + bitoffset / 8;
-  if (header->cupsBitsPerColor == 1)
-    bandwidth = header->cupsBytesPerLine / 6;
-  else
-    bandwidth = header->cupsBytesPerLine / 4;
+  ptr       = row + bitoffset / 8;
+  bandwidth = header->cupsBytesPerLine / 6;
 
   switch (header->cupsColorOrder)
   {
     case CUPS_ORDER_CHUNKED :
-        switch (header->cupsBitsPerColor)
-        {
-          case 1 :
-              dither  = Floyd16xc16[y & 15];
-
-              for (x = xsize ; x > 0; x --)
-              {
-               pc = *r0++ > dither[x & 15];
-               pm = *r0++ > dither[x & 15];
-               py = *r0++ > dither[x & 15];
-               pk = *r0++ > dither[x & 15];
-
-               if (pk)
-                 *ptr++ ^= 32; /* Black */
-               else if (pc && pm)
-                 *ptr++ ^= 17; /* Blue (cyan + light magenta) */
-               else if (pc && py)
-                 *ptr++ ^= 6;  /* Green (light cyan + yellow) */
-               else if (pm && py)
-                 *ptr++ ^= 12; /* Red (magenta + yellow) */
-               else if (pc)
-                 *ptr++ ^= 16;
-               else if (pm)
-                 *ptr++ ^= 8;
-               else if (py)
-                 *ptr++ ^= 4;
-              }
-              break;
-
-          case 8 :
-              for (x = xsize; x > 0; x --, r0 += 4, r1 += 4)
-             {
-               if (r0[3] == r1[3])
-                  *ptr++ = r0[3];
-               else
-                  *ptr++ = (r0[3] * yerr0 + r1[3] * yerr1) / ysize;
-
-               if (r0[0] == r1[0])
-                  *ptr++ = r0[0];
-               else
-                  *ptr++ = (r0[0] * yerr0 + r1[0] * yerr1) / ysize;
-
-               if (r0[1] == r1[1])
-                  *ptr++ = r0[1];
-               else
-                  *ptr++ = (r0[1] * yerr0 + r1[1] * yerr1) / ysize;
+        dither = Floyd16x16[y & 15];
 
-               if (r0[2] == r1[2])
-                  *ptr++ = r0[2];
-               else
-                  *ptr++ = (r0[2] * yerr0 + r1[2] * yerr1) / ysize;
-              }
-              break;
+        for (x = xsize ; x > 0; x --)
+        {
+         pc = *r0++ > dither[x & 15];
+         pm = *r0++ > dither[x & 15];
+         py = *r0++ > dither[x & 15];
+         pk = pc && pm && py;
+
+         if (pk)
+           *ptr++ ^= 32;       /* Black */
+         else if (pc && pm)
+           *ptr++ ^= 17;       /* Blue (cyan + light magenta) */
+         else if (pc && py)
+           *ptr++ ^= 6;        /* Green (light cyan + yellow) */
+         else if (pm && py)
+           *ptr++ ^= 12;       /* Red (magenta + yellow) */
+         else if (pc)
+           *ptr++ ^= 16;
+         else if (pm)
+           *ptr++ ^= 8;
+         else if (py)
+           *ptr++ ^= 4;
+         else
+           ptr ++;
         }
         break;
 
@@ -3035,221 +2828,89 @@ format_KCMYcm(cups_page_header2_t *header,/* I - Page header */
        lcptr = ptr + 4 * bandwidth;
        lmptr = ptr + 5 * bandwidth;
 
-        switch (header->cupsBitsPerColor)
-        {
-          case 1 :
-              bitmask = 0x80 >> (bitoffset & 7);
-              dither  = Floyd16xc16[y & 15];
-
-              for (x = xsize; x > 0; x --)
-              {
-               pc = *r0++ > dither[x & 15];
-               pm = *r0++ > dither[x & 15];
-               py = *r0++ > dither[x & 15];
-               pk = *r0++ > dither[x & 15];
-
-               if (pk)
-                 *kptr ^= bitmask;     /* Black */
-               else if (pc && pm)
-               {
-                 *cptr ^= bitmask;     /* Blue (cyan + light magenta) */
-                 *lmptr ^= bitmask;
-               }
-               else if (pc && py)
-               {
-                 *lcptr ^= bitmask;    /* Green (light cyan + yellow) */
-                 *yptr  ^= bitmask;
-               }
-               else if (pm && py)
-               {
-                 *mptr ^= bitmask;     /* Red (magenta + yellow) */
-                 *yptr ^= bitmask;
-               }
-               else if (pc)
-                 *cptr ^= bitmask;
-               else if (pm)
-                 *mptr ^= bitmask;
-               else if (py)
-                 *yptr ^= bitmask;
-
-                if (bitmask > 1)
-                 bitmask >>= 1;
-               else
-               {
-                 bitmask = 0x80;
-                 cptr ++;
-                 mptr ++;
-                 yptr ++;
-                 kptr ++;
-                 lcptr ++;
-                 lmptr ++;
-               }
-             }
-              break;
-
-          case 8 :
-              for (x = xsize; x > 0; x --, r0 += 4, r1 += 4)
-             {
-               if (r0[0] == r1[0])
-                  *cptr++ = r0[0];
-               else
-                  *cptr++ = (r0[0] * yerr0 + r1[0] * yerr1) / ysize;
-
-               if (r0[1] == r1[1])
-                  *mptr++ = r0[1];
-               else
-                  *mptr++ = (r0[1] * yerr0 + r1[1] * yerr1) / ysize;
+        bitmask = 0x80 >> (bitoffset & 7);
+        dither  = Floyd16x16[y & 15];
 
-               if (r0[2] == r1[2])
-                  *yptr++ = r0[2];
-               else
-                  *yptr++ = (r0[2] * yerr0 + r1[2] * yerr1) / ysize;
+        for (x = xsize; x > 0; x --)
+        {
+         pc = *r0++ > dither[x & 15];
+         pm = *r0++ > dither[x & 15];
+         py = *r0++ > dither[x & 15];
+         pk = pc && pm && py;
+
+         if (pk)
+           *kptr ^= bitmask;   /* Black */
+         else if (pc && pm)
+         {
+           *cptr ^= bitmask;   /* Blue (cyan + light magenta) */
+           *lmptr ^= bitmask;
+         }
+         else if (pc && py)
+         {
+           *lcptr ^= bitmask;  /* Green (light cyan + yellow) */
+           *yptr  ^= bitmask;
+         }
+         else if (pm && py)
+         {
+           *mptr ^= bitmask;   /* Red (magenta + yellow) */
+           *yptr ^= bitmask;
+         }
+         else if (pc)
+           *cptr ^= bitmask;
+         else if (pm)
+           *mptr ^= bitmask;
+         else if (py)
+           *yptr ^= bitmask;
 
-               if (r0[3] == r1[3])
-                  *kptr++ = r0[3];
-               else
-                  *kptr++ = (r0[3] * yerr0 + r1[3] * yerr1) / ysize;
-              }
-              break;
-        }
+          if (bitmask > 1)
+           bitmask >>= 1;
+         else
+         {
+           bitmask = 0x80;
+           cptr ++;
+           mptr ++;
+           yptr ++;
+           kptr ++;
+           lcptr ++;
+           lmptr ++;
+          }
+       }
         break;
 
     case CUPS_ORDER_PLANAR :
-        switch (header->cupsBitsPerColor)
-        {
-          case 1 :
-              bitmask = 0x80 >> (bitoffset & 7);
-              dither  = Floyd16xc16[y & 15];
-
-              switch (z)
-             {
-               case 0 :
-                   for (x = xsize; x > 0; x --, r0 += 4)
-                   {
-                     if (r0[3] > dither[x & 15])
-                       *ptr ^= bitmask;
-
-                      if (bitmask > 1)
-                       bitmask >>= 1;
-                     else
-                     {
-                       bitmask = 0x80;
-                       ptr ++;
-                     }
-                   }
-                   break;
-
-               case 1 :
-                   for (x = xsize; x > 0; x --, r0 += 4)
-                   {
-                     if (r0[0] > dither[x & 15] &&
-                         r0[2] < dither[x & 15])
-                       *ptr ^= bitmask;
-
-                      if (bitmask > 1)
-                       bitmask >>= 1;
-                     else
-                     {
-                       bitmask = 0x80;
-                       ptr ++;
-                     }
-                   }
-                   break;
-
-               case 2 :
-                   for (x = xsize; x > 0; x --, r0 += 4)
-                   {
-                     if (r0[1] > dither[x & 15] &&
-                         (r0[0] < dither[x & 15] ||
-                          r0[2] > dither[x & 15]))
-                       *ptr ^= bitmask;
-
-                      if (bitmask > 1)
-                       bitmask >>= 1;
-                     else
-                     {
-                       bitmask = 0x80;
-                       ptr ++;
-                     }
-                   }
-                   break;
-
-               case 3 :
-                   for (x = xsize; x > 0; x --, r0 += 4)
-                   {
-                     if (r0[2] > dither[x & 15] &&
-                         (r0[0] < dither[x & 15] ||
-                          r0[1] < dither[x & 15]))
-                       *ptr ^= bitmask;
-
-                      if (bitmask > 1)
-                       bitmask >>= 1;
-                     else
-                     {
-                       bitmask = 0x80;
-                       ptr ++;
-                     }
-                   }
-                   break;
-
-               case 4 :
-                   for (x = xsize; x > 0; x --, r0 += 4)
-                   {
-                     if (r0[0] > dither[x & 15] &&
-                         r0[2] > dither[x & 15])
-                       *ptr ^= bitmask;
-
-                      if (bitmask > 1)
-                       bitmask >>= 1;
-                     else
-                     {
-                       bitmask = 0x80;
-                       ptr ++;
-                     }
-                   }
-                   break;
-
-               case 5 :
-                   for (x = xsize; x > 0; x --, r0 += 4)
-                   {
-                     if (r0[0] > dither[x & 15] &&
-                         r0[1] > dither[x & 15] &&
-                         r0[2] < dither[x & 15])
-                       *ptr ^= bitmask;
+        bitmask = 0x80 >> (bitoffset & 7);
+        dither  = Floyd16x16[y & 15];
 
-                      if (bitmask > 1)
-                       bitmask >>= 1;
-                     else
-                     {
-                       bitmask = 0x80;
-                       ptr ++;
-                     }
-                   }
-                   break;
-             }
-              break;
+        for (x = xsize; x > 0; x --)
+        {
+         pc = *r0++ > dither[x & 15];
+         pm = *r0++ > dither[x & 15];
+         py = *r0++ > dither[x & 15];
+         pk = pc && pm && py;
 
-          case 8 :
-              if (z == 0)
-             {
-               r0 += 3;
-               r1 += 3;
-             }
-             else
-             {
-               r0 += z - 1;
-               r1 += z - 1;
-             }
+          if (pk && z == 0)
+            *ptr ^= bitmask;
+         else if (pc && pm && (z == 1 || z == 5))
+           *ptr ^= bitmask;    /* Blue (cyan + light magenta) */
+         else if (pc && py && (z == 3 || z == 4))
+           *ptr ^= bitmask;    /* Green (light cyan + yellow) */
+         else if (pm && py && (z == 2 || z == 3))
+           *ptr ^= bitmask;    /* Red (magenta + yellow) */
+         else if (pc && z == 1)
+           *ptr ^= bitmask;
+         else if (pm && z == 2)
+           *ptr ^= bitmask;
+         else if (py && z == 3)
+           *ptr ^= bitmask;
 
-              for (x = xsize; x > 0; x --, r0 += 4, r1 += 4)
-             {
-               if (*r0 == *r1)
-                  *ptr++ = *r0;
-               else
-                  *ptr++ = (*r0 * yerr0 + *r1 * yerr1) / ysize;
-              }
-              break;
-        }
+          if (bitmask > 1)
+           bitmask >>= 1;
+         else
+         {
+           bitmask = 0x80;
+           ptr ++;
+          }
+       }
         break;
   }
 }
@@ -3260,7 +2921,7 @@ format_KCMYcm(cups_page_header2_t *header,/* I - Page header */
  */
 
 static void
-format_RGBA(cups_page_header2_t *header,       /* I - Page header */
+format_RGBA(cups_page_header2_t *header,/* I - Page header */
             unsigned char       *row,  /* IO - Bitmap data for device */
            int                 y,      /* I - Current row */
            int                 z,      /* I - Current plane */
@@ -3268,18 +2929,18 @@ format_RGBA(cups_page_header2_t *header,        /* I - Page header */
            int                 ysize,  /* I - Height of image data */
            int                 yerr0,  /* I - Top Y error */
            int                 yerr1,  /* I - Bottom Y error */
-           cups_ib_t                *r0,       /* I - Primary image data */
-           cups_ib_t                *r1)       /* I - Image data for interpolation */
+           cups_ib_t           *r0,    /* I - Primary image data */
+           cups_ib_t           *r1)    /* I - Image data for interpolation */
 {
-  cups_ib_t            *ptr,           /* Pointer into row */
-               *cptr,          /* Pointer into cyan */
-               *mptr,          /* Pointer into magenta */
-               *yptr,          /* Pointer into yellow */
-               bitmask;        /* Current mask for pixel */
-  int          bitoffset;      /* Current offset in line */
-  int          bandwidth;      /* Width of a color band */
-  int          x,              /* Current X coordinate on page */
-               *dither;        /* Pointer into dither array */
+  cups_ib_t    *ptr,                   /* Pointer into row */
+               *cptr,                  /* Pointer into cyan */
+               *mptr,                  /* Pointer into magenta */
+               *yptr,                  /* Pointer into yellow */
+               bitmask;                /* Current mask for pixel */
+  int          bitoffset;              /* Current offset in line */
+  int          bandwidth;              /* Width of a color band */
+  int          x,                      /* Current X coordinate on page */
+               *dither;                /* Pointer into dither array */
 
 
   switch (XPosition)
@@ -3305,7 +2966,7 @@ format_RGBA(cups_page_header2_t *header,  /* I - Page header */
         {
           case 1 :
               bitmask = 128 >> (bitoffset & 7);
-             dither  = Floyd16xc16[y & 15];
+             dither  = Floyd16x16[y & 15];
 
               for (x = xsize ; x > 0; x --)
               {
@@ -3321,14 +2982,11 @@ format_RGBA(cups_page_header2_t *header,        /* I - Page header */
                  *ptr ^= bitmask;
 
                 if (bitmask > 2)
-               {
-                 *ptr ^= 16;
                  bitmask >>= 2;
-               }
                else
                {
                  bitmask = 128;
-                 *ptr++ ^= 1;
+                 ptr ++;
                }
               }
               break;
@@ -3339,9 +2997,9 @@ format_RGBA(cups_page_header2_t *header,  /* I - Page header */
               for (x = xsize ; x > 0; x --, r0 += 3)
               {
                if ((r0[0] & 63) > dither[x & 7])
-                 *ptr ^= (0x0 & OnPixels[r0[0]]);
+                 *ptr ^= (0xc0 & OnPixels[r0[0]]);
                else
-                 *ptr ^= (0x0 & OffPixels[r0[0]]);
+                 *ptr ^= (0xc0 & OffPixels[r0[0]]);
 
                if ((r0[1] & 63) > dither[x & 7])
                  *ptr ^= (0x30 & OnPixels[r0[1]]);
@@ -3353,7 +3011,7 @@ format_RGBA(cups_page_header2_t *header,  /* I - Page header */
                else
                  *ptr ^= (0x0c & OffPixels[r0[2]]);
 
-                *ptr++ ^= 0x03;
+                ptr ++;
               }
               break;
 
@@ -3377,7 +3035,7 @@ format_RGBA(cups_page_header2_t *header,  /* I - Page header */
                else
                  *ptr ^= (0xf0 & OffPixels[r0[2]]);
 
-                *ptr++ ^= 0x0f;
+                ptr ++;
               }
               break;
 
@@ -3399,7 +3057,7 @@ format_RGBA(cups_page_header2_t *header,  /* I - Page header */
                else
                   *ptr++ = (r0[2] * yerr0 + r1[2] * yerr1) / ysize;
 
-                *ptr++ = 255;
+                ptr ++;
               }
              break;
         }
@@ -3416,7 +3074,7 @@ format_RGBA(cups_page_header2_t *header,  /* I - Page header */
         {
           case 1 :
               bitmask = 0x80 >> (bitoffset & 7);
-             dither  = Floyd16xc16[y & 15];
+             dither  = Floyd16x16[y & 15];
 
               for (x = xsize; x > 0; x --)
               {
@@ -3440,7 +3098,7 @@ format_RGBA(cups_page_header2_t *header,  /* I - Page header */
               break;
 
           case 2 :
-              bitmask = 0x0 >> (bitoffset & 7);
+              bitmask = 0xc0 >> (bitoffset & 7);
              dither  = Floyd8x8[y & 7];
 
               for (x = xsize; x > 0; x --)
@@ -3464,7 +3122,7 @@ format_RGBA(cups_page_header2_t *header,  /* I - Page header */
                  bitmask >>= 2;
                else
                {
-                 bitmask = 0x0;
+                 bitmask = 0xc0;
 
                  cptr ++;
                  mptr ++;
@@ -3540,7 +3198,7 @@ format_RGBA(cups_page_header2_t *header,  /* I - Page header */
         {
           case 1 :
               bitmask = 0x80 >> (bitoffset & 7);
-             dither  = Floyd16xc16[y & 15];
+             dither  = Floyd16x16[y & 15];
 
               switch (z)
              {
@@ -3595,7 +3253,7 @@ format_RGBA(cups_page_header2_t *header,  /* I - Page header */
               break;
 
           case 2 :
-              bitmask = 0x0 >> (bitoffset & 7);
+              bitmask = 0xc0 >> (bitoffset & 7);
              dither  = Floyd8x8[y & 7];
               r0 += z;
 
@@ -3610,7 +3268,7 @@ format_RGBA(cups_page_header2_t *header,  /* I - Page header */
                  bitmask >>= 2;
                else
                {
-                 bitmask = 0x0;
+                 bitmask = 0xc0;
 
                  ptr ++;
                }
@@ -3671,14 +3329,14 @@ format_W(cups_page_header2_t *header,   /* I - Page header */
            int              ysize,     /* I - Height of image data */
            int              yerr0,     /* I - Top Y error */
            int              yerr1,     /* I - Bottom Y error */
-           cups_ib_t             *r0,  /* I - Primary image data */
-           cups_ib_t             *r1)  /* I - Image data for interpolation */
+           cups_ib_t        *r0,       /* I - Primary image data */
+           cups_ib_t        *r1)       /* I - Image data for interpolation */
 {
-  cups_ib_t            *ptr,           /* Pointer into row */
-               bitmask;        /* Current mask for pixel */
-  int          bitoffset;      /* Current offset in line */
-  int          x,              /* Current X coordinate on page */
-               *dither;        /* Pointer into dither array */
+  cups_ib_t    *ptr,                   /* Pointer into row */
+               bitmask;                /* Current mask for pixel */
+  int          bitoffset;              /* Current offset in line */
+  int          x,                      /* Current X coordinate on page */
+               *dither;                /* Pointer into dither array */
 
 
   (void)z;
@@ -3702,7 +3360,7 @@ format_W(cups_page_header2_t *header,     /* I - Page header */
   {
     case 1 :
         bitmask = 0x80 >> (bitoffset & 7);
-        dither  = Floyd16xc16[y & 15];
+        dither  = Floyd16x16[y & 15];
 
         for (x = xsize; x > 0; x --)
         {
@@ -3720,7 +3378,7 @@ format_W(cups_page_header2_t *header,     /* I - Page header */
         break;
 
     case 2 :
-        bitmask = 0x0 >> (bitoffset & 7);
+        bitmask = 0xc0 >> (bitoffset & 7);
         dither  = Floyd8x8[y & 7];
 
         for (x = xsize; x > 0; x --)
@@ -3734,7 +3392,7 @@ format_W(cups_page_header2_t *header,     /* I - Page header */
            bitmask >>= 2;
          else
          {
-           bitmask = 0x0;
+           bitmask = 0xc0;
 
            ptr ++;
           }
@@ -3789,18 +3447,18 @@ format_YMC(cups_page_header2_t *header, /* I - Page header */
            int                ysize,   /* I - Height of image data */
            int                yerr0,   /* I - Top Y error */
            int                yerr1,   /* I - Bottom Y error */
-           cups_ib_t               *r0,        /* I - Primary image data */
-           cups_ib_t               *r1)        /* I - Image data for interpolation */
+           cups_ib_t          *r0,     /* I - Primary image data */
+           cups_ib_t          *r1)     /* I - Image data for interpolation */
 {
-  cups_ib_t            *ptr,           /* Pointer into row */
-               *cptr,          /* Pointer into cyan */
-               *mptr,          /* Pointer into magenta */
-               *yptr,          /* Pointer into yellow */
-               bitmask;        /* Current mask for pixel */
-  int          bitoffset;      /* Current offset in line */
-  int          bandwidth;      /* Width of a color band */
-  int          x,              /* Current X coordinate on page */
-               *dither;        /* Pointer into dither array */
+  cups_ib_t    *ptr,                   /* Pointer into row */
+               *cptr,                  /* Pointer into cyan */
+               *mptr,                  /* Pointer into magenta */
+               *yptr,                  /* Pointer into yellow */
+               bitmask;                /* Current mask for pixel */
+  int          bitoffset;              /* Current offset in line */
+  int          bandwidth;              /* Width of a color band */
+  int          x,                      /* Current X coordinate on page */
+               *dither;                /* Pointer into dither array */
 
 
   switch (XPosition)
@@ -3826,7 +3484,7 @@ format_YMC(cups_page_header2_t *header,   /* I - Page header */
         {
           case 1 :
               bitmask = 64 >> (bitoffset & 7);
-             dither  = Floyd16xc16[y & 15];
+             dither  = Floyd16x16[y & 15];
 
               for (x = xsize ; x > 0; x --, r0 += 3)
               {
@@ -3926,7 +3584,7 @@ format_YMC(cups_page_header2_t *header,   /* I - Page header */
         {
           case 1 :
               bitmask = 0x80 >> (bitoffset & 7);
-             dither  = Floyd16xc16[y & 15];
+             dither  = Floyd16x16[y & 15];
 
               for (x = xsize; x > 0; x --)
               {
@@ -3950,7 +3608,7 @@ format_YMC(cups_page_header2_t *header,   /* I - Page header */
               break;
 
           case 2 :
-              bitmask = 0x0 >> (bitoffset & 7);
+              bitmask = 0xc0 >> (bitoffset & 7);
              dither  = Floyd8x8[y & 7];
 
               for (x = xsize; x > 0; x --)
@@ -3974,7 +3632,7 @@ format_YMC(cups_page_header2_t *header,   /* I - Page header */
                  bitmask >>= 2;
                else
                {
-                 bitmask = 0x0;
+                 bitmask = 0xc0;
 
                  cptr ++;
                  mptr ++;
@@ -4044,7 +3702,7 @@ format_YMC(cups_page_header2_t *header,   /* I - Page header */
         {
           case 1 :
               bitmask = 0x80 >> (bitoffset & 7);
-             dither  = Floyd16xc16[y & 15];
+             dither  = Floyd16x16[y & 15];
 
               switch (z)
              {
@@ -4099,7 +3757,7 @@ format_YMC(cups_page_header2_t *header,   /* I - Page header */
               break;
 
           case 2 :
-              bitmask = 0x0 >> (bitoffset & 7);
+              bitmask = 0xc0 >> (bitoffset & 7);
              dither  = Floyd8x8[y & 7];
               z       = 2 - z;
               r0      += z;
@@ -4115,7 +3773,7 @@ format_YMC(cups_page_header2_t *header,   /* I - Page header */
                  bitmask >>= 2;
                else
                {
-                 bitmask = 0x0;
+                 bitmask = 0xc0;
 
                  ptr ++;
                }
@@ -4170,7 +3828,7 @@ format_YMC(cups_page_header2_t *header,   /* I - Page header */
  */
 
 static void
-format_YMCK(cups_page_header2_t *header,       /* I - Page header */
+format_YMCK(cups_page_header2_t *header,/* I - Page header */
             unsigned char       *row,  /* IO - Bitmap data for device */
            int                 y,      /* I - Current row */
            int                 z,      /* I - Current plane */
@@ -4178,19 +3836,20 @@ format_YMCK(cups_page_header2_t *header,        /* I - Page header */
            int                 ysize,  /* I - Height of image data */
            int                 yerr0,  /* I - Top Y error */
            int                 yerr1,  /* I - Bottom Y error */
-           cups_ib_t                *r0,       /* I - Primary image data */
-           cups_ib_t                *r1)       /* I - Image data for interpolation */
+           cups_ib_t           *r0,    /* I - Primary image data */
+           cups_ib_t           *r1)    /* I - Image data for interpolation */
 {
-  cups_ib_t            *ptr,           /* Pointer into row */
-               *cptr,          /* Pointer into cyan */
-               *mptr,          /* Pointer into magenta */
-               *yptr,          /* Pointer into yellow */
-               *kptr,          /* Pointer into black */
-               bitmask;        /* Current mask for pixel */
-  int          bitoffset;      /* Current offset in line */
-  int          bandwidth;      /* Width of a color band */
-  int          x,              /* Current X coordinate on page */
-               *dither;        /* Pointer into dither array */
+  cups_ib_t    *ptr,                   /* Pointer into row */
+               *cptr,                  /* Pointer into cyan */
+               *mptr,                  /* Pointer into magenta */
+               *yptr,                  /* Pointer into yellow */
+               *kptr,                  /* Pointer into black */
+               bitmask;                /* Current mask for pixel */
+  int          bitoffset;              /* Current offset in line */
+  int          bandwidth;              /* Width of a color band */
+  int          x,                      /* Current X coordinate on page */
+               *dither;                /* Pointer into dither array */
+  int          pc, pm, py;             /* CMY pixels */
 
 
   switch (XPosition)
@@ -4216,24 +3875,33 @@ format_YMCK(cups_page_header2_t *header,        /* I - Page header */
         {
           case 1 :
               bitmask = 128 >> (bitoffset & 7);
-              dither  = Floyd16xc16[y & 15];
+              dither  = Floyd16x16[y & 15];
 
-              for (x = xsize ; x > 0; x --, r0 += 4)
+              for (x = xsize ; x > 0; x --)
               {
-               if (r0[2] > dither[x & 15])
-                 *ptr ^= bitmask;
-               bitmask >>= 1;
+               pc = *r0++ > dither[x & 15];
+               pm = *r0++ > dither[x & 15];
+               py = *r0++ > dither[x & 15];
 
-               if (r0[1] > dither[x & 15])
+               if (pc && pm && py)
+               {
+                 bitmask >>= 3;
                  *ptr ^= bitmask;
-               bitmask >>= 1;
+               }
+               else
+               {
+                 if (py)
+                   *ptr ^= bitmask;
+                 bitmask >>= 1;
 
-               if (r0[0] > dither[x & 15])
-                 *ptr ^= bitmask;
-               bitmask >>= 1;
+                 if (pm)
+                   *ptr ^= bitmask;
+                 bitmask >>= 1;
 
-               if (r0[3] > dither[x & 15])
-                 *ptr ^= bitmask;
+                 if (pc)
+                   *ptr ^= bitmask;
+                 bitmask >>= 1;
+                }
 
                 if (bitmask > 1)
                  bitmask >>= 1;
@@ -4252,9 +3920,9 @@ format_YMCK(cups_page_header2_t *header,  /* I - Page header */
               for (x = xsize ; x > 0; x --, r0 += 4)
               {
                if ((r0[2] & 63) > dither[x & 7])
-                 *ptr ^= (0x0 & OnPixels[r0[2]]);
+                 *ptr ^= (0xc0 & OnPixels[r0[2]]);
                else
-                 *ptr ^= (0x0 & OffPixels[r0[2]]);
+                 *ptr ^= (0xc0 & OffPixels[r0[2]]);
 
                if ((r0[1] & 63) > dither[x & 7])
                  *ptr ^= (0x30 & OnPixels[r0[1]]);
@@ -4337,18 +4005,25 @@ format_YMCK(cups_page_header2_t *header,        /* I - Page header */
         {
           case 1 :
               bitmask = 0x80 >> (bitoffset & 7);
-              dither  = Floyd16xc16[y & 15];
+              dither  = Floyd16x16[y & 15];
 
               for (x = xsize; x > 0; x --)
               {
-               if (*r0++ > dither[x & 15])
-                 *cptr ^= bitmask;
-               if (*r0++ > dither[x & 15])
-                 *mptr ^= bitmask;
-               if (*r0++ > dither[x & 15])
-                 *yptr ^= bitmask;
-               if (*r0++ > dither[x & 15])
-                 *kptr ^= bitmask;
+               pc = *r0++ > dither[x & 15];
+               pm = *r0++ > dither[x & 15];
+               py = *r0++ > dither[x & 15];
+
+               if (pc && pm && py)
+                 *kptr ^= bitmask;
+               else
+               {
+                 if (pc)
+                   *cptr ^= bitmask;
+                 if (pm)
+                   *mptr ^= bitmask;
+                 if (py)
+                   *yptr ^= bitmask;
+                }
 
                 if (bitmask > 1)
                  bitmask >>= 1;
@@ -4365,7 +4040,7 @@ format_YMCK(cups_page_header2_t *header,  /* I - Page header */
               break;
 
           case 2 :
-              bitmask = 0x0 >> (bitoffset & 7);
+              bitmask = 0xc0 >> (bitoffset & 7);
               dither  = Floyd8x8[y & 7];
 
               for (x = xsize; x > 0; x --)
@@ -4394,7 +4069,7 @@ format_YMCK(cups_page_header2_t *header,  /* I - Page header */
                  bitmask >>= 2;
                else
                {
-                 bitmask = 0x0;
+                 bitmask = 0xc0;
 
                  cptr ++;
                  mptr ++;
@@ -4476,16 +4151,16 @@ format_YMCK(cups_page_header2_t *header,        /* I - Page header */
         {
           case 1 :
               bitmask = 0x80 >> (bitoffset & 7);
-              dither  = Floyd16xc16[y & 15];
-
-              if (z < 3)
-               r0 += 2 - z;
-             else
-               r0 += z;
+              dither  = Floyd16x16[y & 15];
 
-              for (x = xsize; x > 0; x --, r0 += 4)
+              for (x = xsize; x > 0; x --)
               {
-               if (*r0 > dither[x & 15])
+               pc = *r0++ > dither[x & 15];
+               pm = *r0++ > dither[x & 15];
+               py = *r0++ > dither[x & 15];
+
+               if ((pc && pm && py && z == 3) ||
+                   (pc && z == 2) || (pm && z == 1) || (py && z == 0))
                  *ptr ^= bitmask;
 
                if (bitmask > 1)
@@ -4499,7 +4174,7 @@ format_YMCK(cups_page_header2_t *header,  /* I - Page header */
               break;
 
           case 2 :
-              bitmask = 0x0 >> (bitoffset & 7);
+              bitmask = 0xc0 >> (bitoffset & 7);
               dither  = Floyd8x8[y & 7];
               if (z == 3)
                r0 += 3;
@@ -4517,7 +4192,7 @@ format_YMCK(cups_page_header2_t *header,  /* I - Page header */
                  bitmask >>= 2;
                else
                {
-                 bitmask = 0x0;
+                 bitmask = 0xc0;
 
                  ptr ++;
                }
@@ -4611,5 +4286,29 @@ make_lut(cups_ib_t  *lut,                /* I - Lookup table */
 
 
 /*
- * End of "$Id: imagetoraster.c 5099 2006-02-13 02:46:10Z mike $".
+ * 'raster_cb()' - Validate the page header.
+ */
+
+static int                             /* O - 0 if OK, -1 if not */
+raster_cb(
+    cups_page_header2_t *header,       /* IO - Raster header */
+    int                 preferred_bits)        /* I  - Preferred bits per color */
+{
+ /*
+  * Ensure that colorimetric colorspaces use at least 8 bits per
+  * component...
+  */
+
+  if ((header->cupsColorSpace == CUPS_CSPACE_CIEXYZ ||
+       header->cupsColorSpace == CUPS_CSPACE_CIELab ||
+       header->cupsColorSpace >= CUPS_CSPACE_ICC1) &&
+      header->cupsBitsPerColor < 8)
+    header->cupsBitsPerColor = 8;
+
+  return (0);
+}
+
+
+/*
+ * End of "$Id: imagetoraster.c 5523 2006-05-15 05:02:43Z mike $".
  */