]> granicus.if.org Git - imagemagick/blobdiff - coders/cmyk.c
Accommodate background color index in PLTE chunk
[imagemagick] / coders / cmyk.c
index 7e7e45eefe6f67ee9f5aa573abab29604a246619..f93498abe17f854de7f4582b0f3a7012b520aafd 100644 (file)
@@ -17,7 +17,7 @@
 %                                 July 1992                                   %
 %                                                                             %
 %                                                                             %
-%  Copyright 1999-2011 ImageMagick Studio LLC, a non-profit organization      %
+%  Copyright 1999-2012 ImageMagick Studio LLC, a non-profit organization      %
 %  dedicated to making software imaging solutions freely available.           %
 %                                                                             %
 %  You may not use this file except in compliance with the License.  You may  %
 /*
   Include declarations.
 */
-#include "magick/studio.h"
-#include "magick/blob.h"
-#include "magick/blob-private.h"
-#include "magick/cache.h"
-#include "magick/colorspace.h"
-#include "magick/constitute.h"
-#include "magick/exception.h"
-#include "magick/exception-private.h"
-#include "magick/image.h"
-#include "magick/image-private.h"
-#include "magick/list.h"
-#include "magick/magick.h"
-#include "magick/memory_.h"
-#include "magick/monitor.h"
-#include "magick/monitor-private.h"
-#include "magick/pixel-private.h"
-#include "magick/quantum-private.h"
-#include "magick/static.h"
-#include "magick/statistic.h"
-#include "magick/string_.h"
-#include "magick/module.h"
-#include "magick/utility.h"
+#include "MagickCore/studio.h"
+#include "MagickCore/blob.h"
+#include "MagickCore/blob-private.h"
+#include "MagickCore/cache.h"
+#include "MagickCore/colorspace.h"
+#include "MagickCore/constitute.h"
+#include "MagickCore/exception.h"
+#include "MagickCore/exception-private.h"
+#include "MagickCore/image.h"
+#include "MagickCore/image-private.h"
+#include "MagickCore/list.h"
+#include "MagickCore/magick.h"
+#include "MagickCore/memory_.h"
+#include "MagickCore/monitor.h"
+#include "MagickCore/monitor-private.h"
+#include "MagickCore/pixel-accessor.h"
+#include "MagickCore/quantum-private.h"
+#include "MagickCore/static.h"
+#include "MagickCore/statistic.h"
+#include "MagickCore/string_.h"
+#include "MagickCore/module.h"
+#include "MagickCore/utility.h"
 \f
 /*
   Forward declarations.
 */
 static MagickBooleanType
-  WriteCMYKImage(const ImageInfo *,Image *);
+  WriteCMYKImage(const ImageInfo *,Image *,ExceptionInfo *);
 \f
 /*
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -117,13 +117,13 @@ static Image *ReadCMYKImage(const ImageInfo *image_info,
   register ssize_t
     i;
 
+  size_t
+    length;
+
   ssize_t
     count,
     y;
 
-  size_t
-    length;
-
   unsigned char
     *pixels;
 
@@ -137,10 +137,10 @@ static Image *ReadCMYKImage(const ImageInfo *image_info,
       image_info->filename);
   assert(exception != (ExceptionInfo *) NULL);
   assert(exception->signature == MagickSignature);
-  image=AcquireImage(image_info);
+  image=AcquireImage(image_info,exception);
   if ((image->columns == 0) || (image->rows == 0))
     ThrowReaderException(OptionError,"MustSpecifyImageSize");
-  image->colorspace=CMYKColorspace;
+  SetImageColorspace(image,CMYKColorspace,exception);
   if (image_info->interlace != PartitionInterlace)
     {
       status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
@@ -158,7 +158,8 @@ static Image *ReadCMYKImage(const ImageInfo *image_info,
   */
   canvas_image=CloneImage(image,image->extract_info.width,1,MagickFalse,
     exception);
-  (void) SetImageVirtualPixelMethod(canvas_image,BlackVirtualPixelMethod);
+  (void) SetImageVirtualPixelMethod(canvas_image,BlackVirtualPixelMethod,
+    exception);
   quantum_info=AcquireQuantumInfo(image_info,canvas_image);
   if (quantum_info == (QuantumInfo *) NULL)
     ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
@@ -195,7 +196,7 @@ static Image *ReadCMYKImage(const ImageInfo *image_info,
     if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
       if (image->scene >= (image_info->scene+image_info->number_scenes-1))
         break;
-    image->colorspace=CMYKColorspace;
+    SetImageColorspace(image,CMYKColorspace,exception);
     switch (image_info->interlace)
     {
       case NoInterlace:
@@ -211,16 +212,10 @@ static Image *ReadCMYKImage(const ImageInfo *image_info,
           }
         for (y=0; y < (ssize_t) image->extract_info.height; y++)
         {
-          register const IndexPacket
-            *restrict canvas_indexes;
-
-          register const PixelPacket
+          register const Quantum
             *restrict p;
 
-          register IndexPacket
-            *restrict indexes;
-
-          register PixelPacket
+          register Quantum
             *restrict q;
 
           register ssize_t
@@ -234,7 +229,7 @@ static Image *ReadCMYKImage(const ImageInfo *image_info,
             }
           q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1,
             exception);
-          if (q == (PixelPacket *) NULL)
+          if (q == (Quantum *) NULL)
             break;
           length=ImportQuantumPixels(canvas_image,(CacheView *) NULL,
             quantum_info,quantum_type,pixels,exception);
@@ -247,22 +242,20 @@ static Image *ReadCMYKImage(const ImageInfo *image_info,
                 canvas_image->columns,1,exception);
               q=QueueAuthenticPixels(image,0,y-image->extract_info.y,
                 image->columns,1,exception);
-              if ((p == (const PixelPacket *) NULL) ||
-                  (q == (PixelPacket *) NULL))
+              if ((p == (const Quantum *) NULL) ||
+                  (q == (Quantum *) NULL))
                 break;
-              canvas_indexes=GetVirtualIndexQueue(canvas_image);
-              indexes=GetAuthenticIndexQueue(image);
               for (x=0; x < (ssize_t) image->columns; x++)
               {
-                SetRedPixelComponent(q,GetRedPixelComponent(p));
-                SetGreenPixelComponent(q,GetGreenPixelComponent(p));
-                SetBluePixelComponent(q,GetBluePixelComponent(p));
-                indexes[x]=canvas_indexes[image->extract_info.x+x];
-                SetOpacityPixelComponent(q,OpaqueOpacity);
+                SetPixelRed(image,GetPixelRed(canvas_image,p),q);
+                SetPixelGreen(image,GetPixelGreen(canvas_image,p),q);
+                SetPixelBlue(image,GetPixelBlue(canvas_image,p),q);
+                SetPixelBlack(image,GetPixelBlack(canvas_image,p),q);
+                SetPixelAlpha(image,OpaqueAlpha,q);
                 if (image->matte != MagickFalse)
-                  SetOpacityPixelComponent(q,GetOpacityPixelComponent(p));
-                p++;
-                q++;
+                  SetPixelAlpha(image,GetPixelAlpha(canvas_image,p),q);
+                p+=GetPixelChannels(canvas_image);
+                q+=GetPixelChannels(image);
               }
               if (SyncAuthenticPixels(image,exception) == MagickFalse)
                 break;
@@ -300,16 +293,10 @@ static Image *ReadCMYKImage(const ImageInfo *image_info,
           }
         for (y=0; y < (ssize_t) image->extract_info.height; y++)
         {
-          register const IndexPacket
-            *restrict canvas_indexes;
-
-          register const PixelPacket
+          register const Quantum
             *restrict p;
 
-          register IndexPacket
-            *restrict indexes;
-
-          register PixelPacket
+          register Quantum
             *restrict q;
 
           register ssize_t
@@ -326,7 +313,7 @@ static Image *ReadCMYKImage(const ImageInfo *image_info,
             quantum_type=quantum_types[i];
             q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1,
               exception);
-            if (q == (PixelPacket *) NULL)
+            if (q == (Quantum *) NULL)
               break;
             length=ImportQuantumPixels(canvas_image,(CacheView *) NULL,
               quantum_info,quantum_type,pixels,exception);
@@ -339,45 +326,43 @@ static Image *ReadCMYKImage(const ImageInfo *image_info,
                   0,canvas_image->columns,1,exception);
                 q=GetAuthenticPixels(image,0,y-image->extract_info.y,
                   image->columns,1,exception);
-                if ((p == (const PixelPacket *) NULL) ||
-                    (q == (PixelPacket *) NULL))
+                if ((p == (const Quantum *) NULL) ||
+                    (q == (Quantum *) NULL))
                   break;
-                canvas_indexes=GetVirtualIndexQueue(canvas_image);
-                indexes=GetAuthenticIndexQueue(image);
                 for (x=0; x < (ssize_t) image->columns; x++)
                 {
                   switch (quantum_type)
                   {
                     case CyanQuantum:
                     {
-                      SetCyanPixelComponent(q,GetCyanPixelComponent(p));
+                      SetPixelCyan(image,GetPixelCyan(canvas_image,p),q);
                       break;
                     }
                     case MagentaQuantum:
                     {
-                      SetMagentaPixelComponent(q,GetMagentaPixelComponent(p));
+                      SetPixelMagenta(image,GetPixelMagenta(canvas_image,p),q);
                       break;
                     }
                     case YellowQuantum:
                     {
-                      SetYellowPixelComponent(q,GetYellowPixelComponent(p));
+                      SetPixelYellow(image,GetPixelYellow(canvas_image,p),q);
                       break;
                     }
                     case BlackQuantum:
                     {
-                      indexes[x]=canvas_indexes[image->extract_info.x+x];
+                      SetPixelBlack(image,GetPixelBlack(canvas_image,p),q);
                       break;
                     }
                     case OpacityQuantum:
                     {
-                      SetOpacityPixelComponent(q,GetOpacityPixelComponent(p));
+                      SetPixelAlpha(image,GetPixelAlpha(canvas_image,p),q);
                       break;
                     }
                     default:
                       break;
                   }
-                  p++;
-                  q++;
+                  p+=GetPixelChannels(canvas_image);
+                  q+=GetPixelChannels(image);
                 }
                 if (SyncAuthenticPixels(image,exception) == MagickFalse)
                   break;
@@ -406,10 +391,10 @@ static Image *ReadCMYKImage(const ImageInfo *image_info,
           }
         for (y=0; y < (ssize_t) image->extract_info.height; y++)
         {
-          register const PixelPacket
+          register const Quantum
             *restrict p;
 
-          register PixelPacket
+          register Quantum
             *restrict q;
 
           register ssize_t
@@ -423,7 +408,7 @@ static Image *ReadCMYKImage(const ImageInfo *image_info,
             }
           q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1,
             exception);
-          if (q == (PixelPacket *) NULL)
+          if (q == (Quantum *) NULL)
             break;
           length=ImportQuantumPixels(canvas_image,(CacheView *) NULL,
             quantum_info,CyanQuantum,pixels,exception);
@@ -436,14 +421,14 @@ static Image *ReadCMYKImage(const ImageInfo *image_info,
                 canvas_image->columns,1,exception);
               q=GetAuthenticPixels(image,0,y-image->extract_info.y,
                 image->columns,1,exception);
-              if ((p == (const PixelPacket *) NULL) ||
-                  (q == (PixelPacket *) NULL))
+              if ((p == (const Quantum *) NULL) ||
+                  (q == (Quantum *) NULL))
                 break;
               for (x=0; x < (ssize_t) image->columns; x++)
               {
-                SetRedPixelComponent(q,GetRedPixelComponent(p));
-                p++;
-                q++;
+                SetPixelRed(image,GetPixelRed(canvas_image,p),q);
+                p+=GetPixelChannels(canvas_image);
+                q+=GetPixelChannels(image);
               }
               if (SyncAuthenticPixels(image,exception) == MagickFalse)
                 break;
@@ -458,10 +443,10 @@ static Image *ReadCMYKImage(const ImageInfo *image_info,
           }
         for (y=0; y < (ssize_t) image->extract_info.height; y++)
         {
-          register const PixelPacket
+          register const Quantum
             *restrict p;
 
-          register PixelPacket
+          register Quantum
             *restrict q;
 
           register ssize_t
@@ -475,7 +460,7 @@ static Image *ReadCMYKImage(const ImageInfo *image_info,
             }
           q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1,
             exception);
-          if (q == (PixelPacket *) NULL)
+          if (q == (Quantum *) NULL)
             break;
           length=ImportQuantumPixels(canvas_image,(CacheView *) NULL,
             quantum_info,MagentaQuantum,pixels,exception);
@@ -488,14 +473,14 @@ static Image *ReadCMYKImage(const ImageInfo *image_info,
                 canvas_image->columns,1,exception);
               q=GetAuthenticPixels(image,0,y-image->extract_info.y,
                 image->columns,1,exception);
-              if ((p == (const PixelPacket *) NULL) ||
-                  (q == (PixelPacket *) NULL))
+              if ((p == (const Quantum *) NULL) ||
+                  (q == (Quantum *) NULL))
                 break;
               for (x=0; x < (ssize_t) image->columns; x++)
               {
-                SetGreenPixelComponent(q,GetGreenPixelComponent(p));
-                p++;
-                q++;
+                SetPixelGreen(image,GetPixelGreen(canvas_image,p),q);
+                p+=GetPixelChannels(canvas_image);
+                q+=GetPixelChannels(image);
               }
               if (SyncAuthenticPixels(image,exception) == MagickFalse)
                 break;
@@ -510,10 +495,10 @@ static Image *ReadCMYKImage(const ImageInfo *image_info,
           }
         for (y=0; y < (ssize_t) image->extract_info.height; y++)
         {
-          register const PixelPacket
+          register const Quantum
             *restrict p;
 
-          register PixelPacket
+          register Quantum
             *restrict q;
 
           register ssize_t
@@ -527,7 +512,7 @@ static Image *ReadCMYKImage(const ImageInfo *image_info,
             }
           q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1,
             exception);
-          if (q == (PixelPacket *) NULL)
+          if (q == (Quantum *) NULL)
             break;
           length=ImportQuantumPixels(canvas_image,(CacheView *) NULL,
             quantum_info,YellowQuantum,pixels,exception);
@@ -540,14 +525,14 @@ static Image *ReadCMYKImage(const ImageInfo *image_info,
                 canvas_image->columns,1,exception);
               q=GetAuthenticPixels(image,0,y-image->extract_info.y,
                 image->columns,1,exception);
-              if ((p == (const PixelPacket *) NULL) ||
-                  (q == (PixelPacket *) NULL))
+              if ((p == (const Quantum *) NULL) ||
+                  (q == (Quantum *) NULL))
                 break;
               for (x=0; x < (ssize_t) image->columns; x++)
               {
-                SetBluePixelComponent(q,GetBluePixelComponent(p));
-                p++;
-                q++;
+                SetPixelBlue(image,GetPixelBlue(canvas_image,p),q);
+                p+=GetPixelChannels(canvas_image);
+                q+=GetPixelChannels(image);
               }
               if (SyncAuthenticPixels(image,exception) == MagickFalse)
                 break;
@@ -562,16 +547,10 @@ static Image *ReadCMYKImage(const ImageInfo *image_info,
           }
         for (y=0; y < (ssize_t) image->extract_info.height; y++)
         {
-          register const IndexPacket
-            *restrict canvas_indexes;
-
-          register const PixelPacket
+          register const Quantum
             *restrict p;
 
-          register IndexPacket
-            *restrict indexes;
-
-          register PixelPacket
+          register Quantum
             *restrict q;
 
           register ssize_t
@@ -585,7 +564,7 @@ static Image *ReadCMYKImage(const ImageInfo *image_info,
             }
           q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1,
             exception);
-          if (q == (PixelPacket *) NULL)
+          if (q == (Quantum *) NULL)
             break;
           length=ImportQuantumPixels(canvas_image,(CacheView *) NULL,
             quantum_info,BlackQuantum,pixels,exception);
@@ -598,16 +577,14 @@ static Image *ReadCMYKImage(const ImageInfo *image_info,
                 canvas_image->columns,1,exception);
               q=GetAuthenticPixels(image,0,y-image->extract_info.y,
                 image->columns,1,exception);
-              if ((p == (const PixelPacket *) NULL) ||
-                  (q == (PixelPacket *) NULL))
+              if ((p == (const Quantum *) NULL) ||
+                  (q == (Quantum *) NULL))
                 break;
-              canvas_indexes=GetVirtualIndexQueue(canvas_image);
-              indexes=GetAuthenticIndexQueue(image);
               for (x=0; x < (ssize_t) image->columns; x++)
               {
-                indexes[x]=canvas_indexes[image->extract_info.x+x];
-                p++;
-                q++;
+                SetPixelBlack(image,GetPixelBlack(canvas_image,p),q);
+                p+=GetPixelChannels(canvas_image);
+                q+=GetPixelChannels(image);
               }
               if (SyncAuthenticPixels(image,exception) == MagickFalse)
                 break;
@@ -624,10 +601,10 @@ static Image *ReadCMYKImage(const ImageInfo *image_info,
           {
             for (y=0; y < (ssize_t) image->extract_info.height; y++)
             {
-              register const PixelPacket
+              register const Quantum
                 *restrict p;
 
-              register PixelPacket
+              register Quantum
                 *restrict q;
 
               register ssize_t
@@ -641,7 +618,7 @@ static Image *ReadCMYKImage(const ImageInfo *image_info,
                 }
               q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1,
                 exception);
-              if (q == (PixelPacket *) NULL)
+              if (q == (Quantum *) NULL)
                 break;
               length=ImportQuantumPixels(canvas_image,(CacheView *) NULL,
                 quantum_info,AlphaQuantum,pixels,exception);
@@ -655,14 +632,14 @@ static Image *ReadCMYKImage(const ImageInfo *image_info,
                     exception);
                   q=GetAuthenticPixels(image,0,y-image->extract_info.y,
                     image->columns,1,exception);
-                  if ((p == (const PixelPacket *) NULL) ||
-                      (q == (PixelPacket *) NULL))
+                  if ((p == (const Quantum *) NULL) ||
+                      (q == (Quantum *) NULL))
                     break;
                   for (x=0; x < (ssize_t) image->columns; x++)
                   {
-                    SetOpacityPixelComponent(q,GetOpacityPixelComponent(p));
-                    p++;
-                    q++;
+                    SetPixelAlpha(image,GetPixelAlpha(canvas_image,p),q);
+                    p+=GetPixelChannels(canvas_image);
+                    q+=GetPixelChannels(image);
                   }
                   if (SyncAuthenticPixels(image,exception) == MagickFalse)
                     break;
@@ -712,10 +689,10 @@ static Image *ReadCMYKImage(const ImageInfo *image_info,
         count=ReadBlob(image,length,pixels);
         for (y=0; y < (ssize_t) image->extract_info.height; y++)
         {
-          register const PixelPacket
+          register const Quantum
             *restrict p;
 
-          register PixelPacket
+          register Quantum
             *restrict q;
 
           register ssize_t
@@ -729,7 +706,7 @@ static Image *ReadCMYKImage(const ImageInfo *image_info,
             }
           q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1,
             exception);
-          if (q == (PixelPacket *) NULL)
+          if (q == (Quantum *) NULL)
             break;
           length=ImportQuantumPixels(canvas_image,(CacheView *) NULL,
             quantum_info,CyanQuantum,pixels,exception);
@@ -742,14 +719,14 @@ static Image *ReadCMYKImage(const ImageInfo *image_info,
                 canvas_image->columns,1,exception);
               q=GetAuthenticPixels(image,0,y-image->extract_info.y,
                 image->columns,1,exception);
-              if ((p == (const PixelPacket *) NULL) ||
-                  (q == (PixelPacket *) NULL))
+              if ((p == (const Quantum *) NULL) ||
+                  (q == (Quantum *) NULL))
                 break;
               for (x=0; x < (ssize_t) image->columns; x++)
               {
-                SetRedPixelComponent(q,GetRedPixelComponent(p));
-                p++;
-                q++;
+                SetPixelRed(image,GetPixelRed(canvas_image,p),q);
+                p+=GetPixelChannels(canvas_image);
+                q+=GetPixelChannels(image);
               }
               if (SyncAuthenticPixels(image,exception) == MagickFalse)
                 break;
@@ -783,10 +760,10 @@ static Image *ReadCMYKImage(const ImageInfo *image_info,
         count=ReadBlob(image,length,pixels);
         for (y=0; y < (ssize_t) image->extract_info.height; y++)
         {
-          register const PixelPacket
+          register const Quantum
             *restrict p;
 
-          register PixelPacket
+          register Quantum
             *restrict q;
 
           register ssize_t
@@ -800,7 +777,7 @@ static Image *ReadCMYKImage(const ImageInfo *image_info,
             }
           q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1,
             exception);
-          if (q == (PixelPacket *) NULL)
+          if (q == (Quantum *) NULL)
             break;
           length=ImportQuantumPixels(canvas_image,(CacheView *) NULL,
             quantum_info,MagentaQuantum,pixels,exception);
@@ -813,14 +790,14 @@ static Image *ReadCMYKImage(const ImageInfo *image_info,
                 canvas_image->columns,1,exception);
               q=GetAuthenticPixels(image,0,y-image->extract_info.y,
                 image->columns,1,exception);
-              if ((p == (const PixelPacket *) NULL) ||
-                  (q == (PixelPacket *) NULL))
+              if ((p == (const Quantum *) NULL) ||
+                  (q == (Quantum *) NULL))
                 break;
               for (x=0; x < (ssize_t) image->columns; x++)
               {
-                SetGreenPixelComponent(q,GetGreenPixelComponent(p));
-                p++;
-                q++;
+                SetPixelGreen(image,GetPixelGreen(canvas_image,p),q);
+                p+=GetPixelChannels(canvas_image);
+                q+=GetPixelChannels(image);
               }
               if (SyncAuthenticPixels(image,exception) == MagickFalse)
                 break;
@@ -854,10 +831,10 @@ static Image *ReadCMYKImage(const ImageInfo *image_info,
         count=ReadBlob(image,length,pixels);
         for (y=0; y < (ssize_t) image->extract_info.height; y++)
         {
-          register const PixelPacket
+          register const Quantum
             *restrict p;
 
-          register PixelPacket
+          register Quantum
             *restrict q;
 
           register ssize_t
@@ -871,7 +848,7 @@ static Image *ReadCMYKImage(const ImageInfo *image_info,
             }
           q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1,
             exception);
-          if (q == (PixelPacket *) NULL)
+          if (q == (Quantum *) NULL)
             break;
           length=ImportQuantumPixels(canvas_image,(CacheView *) NULL,
             quantum_info,YellowQuantum,pixels,exception);
@@ -884,14 +861,14 @@ static Image *ReadCMYKImage(const ImageInfo *image_info,
                 canvas_image->columns,1,exception);
               q=GetAuthenticPixels(image,0,y-image->extract_info.y,
                 image->columns,1,exception);
-              if ((p == (const PixelPacket *) NULL) ||
-                  (q == (PixelPacket *) NULL))
+              if ((p == (const Quantum *) NULL) ||
+                  (q == (Quantum *) NULL))
                 break;
               for (x=0; x < (ssize_t) image->columns; x++)
               {
-                SetBluePixelComponent(q,GetBluePixelComponent(p));
-                p++;
-                q++;
+                SetPixelBlue(image,GetPixelBlue(canvas_image,p),q);
+                p+=GetPixelChannels(canvas_image);
+                q+=GetPixelChannels(image);
               }
               if (SyncAuthenticPixels(image,exception) == MagickFalse)
                 break;
@@ -925,16 +902,10 @@ static Image *ReadCMYKImage(const ImageInfo *image_info,
         count=ReadBlob(image,length,pixels);
         for (y=0; y < (ssize_t) image->extract_info.height; y++)
         {
-          register const IndexPacket
-            *restrict canvas_indexes;
-
-          register const PixelPacket
+          register const Quantum
             *restrict p;
 
-          register IndexPacket
-            *restrict indexes;
-
-          register PixelPacket
+          register Quantum
             *restrict q;
 
           register ssize_t
@@ -948,7 +919,7 @@ static Image *ReadCMYKImage(const ImageInfo *image_info,
             }
           q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1,
             exception);
-          if (q == (PixelPacket *) NULL)
+          if (q == (Quantum *) NULL)
             break;
           length=ImportQuantumPixels(canvas_image,(CacheView *) NULL,
             quantum_info,BlackQuantum,pixels,exception);
@@ -961,16 +932,14 @@ static Image *ReadCMYKImage(const ImageInfo *image_info,
                 canvas_image->columns,1,exception);
               q=GetAuthenticPixels(image,0,y-image->extract_info.y,
                 image->columns,1,exception);
-              if ((p == (const PixelPacket *) NULL) ||
-                  (q == (PixelPacket *) NULL))
+              if ((p == (const Quantum *) NULL) ||
+                  (q == (Quantum *) NULL))
                 break;
-              canvas_indexes=GetVirtualIndexQueue(canvas_image);
-              indexes=GetAuthenticIndexQueue(image);
               for (x=0; x < (ssize_t) image->columns; x++)
               {
-                indexes[x]=canvas_indexes[image->extract_info.x+x];
-                p++;
-                q++;
+                SetPixelBlack(image,GetPixelBlack(canvas_image,p),q);
+                p+=GetPixelChannels(canvas_image);
+                q+=GetPixelChannels(image);
               }
               if (SyncAuthenticPixels(image,exception) == MagickFalse)
                 break;
@@ -1006,10 +975,10 @@ static Image *ReadCMYKImage(const ImageInfo *image_info,
             count=ReadBlob(image,length,pixels);
             for (y=0; y < (ssize_t) image->extract_info.height; y++)
             {
-              register const PixelPacket
+              register const Quantum
                 *restrict p;
 
-              register PixelPacket
+              register Quantum
                 *restrict q;
 
               register ssize_t
@@ -1023,7 +992,7 @@ static Image *ReadCMYKImage(const ImageInfo *image_info,
                 }
               q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1,
                 exception);
-              if (q == (PixelPacket *) NULL)
+              if (q == (Quantum *) NULL)
                 break;
               length=ImportQuantumPixels(canvas_image,(CacheView *) NULL,
                 quantum_info,YellowQuantum,pixels,exception);
@@ -1036,14 +1005,14 @@ static Image *ReadCMYKImage(const ImageInfo *image_info,
                     0,canvas_image->columns,1,exception);
                   q=GetAuthenticPixels(image,0,y-image->extract_info.y,
                     image->columns,1,exception);
-                  if ((p == (const PixelPacket *) NULL) ||
-                      (q == (PixelPacket *) NULL))
+                  if ((p == (const Quantum *) NULL) ||
+                      (q == (Quantum *) NULL))
                     break;
                   for (x=0; x < (ssize_t) image->columns; x++)
                   {
-                    SetOpacityPixelComponent(q,GetOpacityPixelComponent(p));
-                    p++;
-                    q++;
+                    SetPixelAlpha(image,GetPixelAlpha(canvas_image,p),q);
+                    p+=GetPixelChannels(canvas_image);
+                    q+=GetPixelChannels(image);
                   }
                   if (SyncAuthenticPixels(image,exception) == MagickFalse)
                     break;
@@ -1078,7 +1047,7 @@ static Image *ReadCMYKImage(const ImageInfo *image_info,
         /*
           Allocate next image structure.
         */
-        AcquireNextImage(image_info,image);
+        AcquireNextImage(image_info,image,exception);
         if (GetNextImageInList(image) == (Image *) NULL)
           {
             image=DestroyImageList(image);
@@ -1093,7 +1062,6 @@ static Image *ReadCMYKImage(const ImageInfo *image_info,
     scene++;
   } while (count == (ssize_t) length);
   quantum_info=DestroyQuantumInfo(quantum_info);
-  InheritException(&image->exception,&canvas_image->exception);
   canvas_image=DestroyImage(canvas_image);
   (void) CloseBlob(image);
   return(GetFirstImageInList(image));
@@ -1190,7 +1158,7 @@ ModuleExport void UnregisterCMYKImage(void)
 %  The format of the WriteCMYKImage method is:
 %
 %      MagickBooleanType WriteCMYKImage(const ImageInfo *image_info,
-%        Image *image)
+%        Image *image,ExceptionInfo *exception)
 %
 %  A description of each parameter follows.
 %
@@ -1198,9 +1166,11 @@ ModuleExport void UnregisterCMYKImage(void)
 %
 %    o image:  The image.
 %
+%    o exception: return any errors or warnings in this structure.
+%
 */
 static MagickBooleanType WriteCMYKImage(const ImageInfo *image_info,
-  Image *image)
+  Image *image,ExceptionInfo *exception)
 {
   MagickBooleanType
     status;
@@ -1214,13 +1184,13 @@ static MagickBooleanType WriteCMYKImage(const ImageInfo *image_info,
   QuantumType
     quantum_type;
 
+  size_t
+    length;
+
   ssize_t
     count,
     y;
 
-  size_t
-    length;
-
   unsigned char
     *pixels;
 
@@ -1238,16 +1208,10 @@ static MagickBooleanType WriteCMYKImage(const ImageInfo *image_info,
       /*
         Open output image file.
       */
-      status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
+      status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
       if (status == MagickFalse)
         return(status);
     }
-  quantum_type=CMYKQuantum;
-  if (LocaleCompare(image_info->magick,"CMYKA") == 0)
-    {
-      quantum_type=CMYKAQuantum;
-      image->matte=MagickTrue;
-    }
   scene=0;
   do
   {
@@ -1255,10 +1219,14 @@ static MagickBooleanType WriteCMYKImage(const ImageInfo *image_info,
       Convert MIFF to CMYK raster pixels.
     */
     if (image->colorspace != CMYKColorspace)
-      (void) TransformImageColorspace(image,CMYKColorspace);
-    if ((LocaleCompare(image_info->magick,"CMYKA") == 0) &&
-        (image->matte == MagickFalse))
-      (void) SetImageAlphaChannel(image,ResetAlphaChannel);
+      (void) TransformImageColorspace(image,CMYKColorspace,exception);
+    quantum_type=CMYKQuantum;
+    if (LocaleCompare(image_info->magick,"CMYKA") == 0)
+      {
+        quantum_type=CMYKAQuantum;
+        if (image->matte == MagickFalse)
+          (void) SetImageAlphaChannel(image,OpaqueAlphaChannel,exception);
+      }
     quantum_info=AcquireQuantumInfo(image_info,image);
     if (quantum_info == (QuantumInfo *) NULL)
       ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
@@ -1273,14 +1241,14 @@ static MagickBooleanType WriteCMYKImage(const ImageInfo *image_info,
         */
         for (y=0; y < (ssize_t) image->rows; y++)
         {
-          register const PixelPacket
+          register const Quantum
             *restrict p;
 
-          p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
-          if (p == (const PixelPacket *) NULL)
+          p=GetVirtualPixels(image,0,y,image->columns,1,exception);
+          if (p == (const Quantum *) NULL)
             break;
-          length=ExportQuantumPixels(image,(const CacheView *) NULL,
-            quantum_info,quantum_type,pixels,&image->exception);
+          length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
+            quantum_type,pixels,exception);
           count=WriteBlob(image,length,pixels);
           if (count != (ssize_t) length)
             break;
@@ -1301,36 +1269,36 @@ static MagickBooleanType WriteCMYKImage(const ImageInfo *image_info,
         */
         for (y=0; y < (ssize_t) image->rows; y++)
         {
-          register const PixelPacket
+          register const Quantum
             *restrict p;
 
-          p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
-          if (p == (const PixelPacket *) NULL)
+          p=GetVirtualPixels(image,0,y,image->columns,1,exception);
+          if (p == (const Quantum *) NULL)
             break;
-          length=ExportQuantumPixels(image,(const CacheView *) NULL,
-            quantum_info,CyanQuantum,pixels,&image->exception);
+          length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
+            CyanQuantum,pixels,exception);
           count=WriteBlob(image,length,pixels);
           if (count != (ssize_t) length)
             break;
-          length=ExportQuantumPixels(image,(const CacheView *) NULL,
-            quantum_info,MagentaQuantum,pixels,&image->exception);
+          length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
+            MagentaQuantum,pixels,exception);
           count=WriteBlob(image,length,pixels);
           if (count != (ssize_t) length)
             break;
-          length=ExportQuantumPixels(image,(const CacheView *) NULL,
-            quantum_info,YellowQuantum,pixels,&image->exception);
+          length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
+            YellowQuantum,pixels,exception);
           count=WriteBlob(image,length,pixels);
           if (count != (ssize_t) length)
             break;
-          length=ExportQuantumPixels(image,(const CacheView *) NULL,
-            quantum_info,BlackQuantum,pixels,&image->exception);
+          length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
+            BlackQuantum,pixels,exception);
           count=WriteBlob(image,length,pixels);
           if (count != (ssize_t) length)
             break;
           if (quantum_type == CMYKAQuantum)
             {
-              length=ExportQuantumPixels(image,(const CacheView *) NULL,
-                quantum_info,AlphaQuantum,pixels,&image->exception);
+              length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
+                AlphaQuantum,pixels,exception);
               count=WriteBlob(image,length,pixels);
               if (count != (ssize_t) length)
                 break;
@@ -1352,14 +1320,14 @@ static MagickBooleanType WriteCMYKImage(const ImageInfo *image_info,
         */
         for (y=0; y < (ssize_t) image->rows; y++)
         {
-          register const PixelPacket
+          register const Quantum
             *restrict p;
 
-          p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
-          if (p == (const PixelPacket *) NULL)
+          p=GetVirtualPixels(image,0,y,image->columns,1,exception);
+          if (p == (const Quantum *) NULL)
             break;
-          length=ExportQuantumPixels(image,(const CacheView *) NULL,
-            quantum_info,CyanQuantum,pixels,&image->exception);
+          length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
+            CyanQuantum,pixels,exception);
           count=WriteBlob(image,length,pixels);
           if (count != (ssize_t) length)
             break;
@@ -1372,14 +1340,14 @@ static MagickBooleanType WriteCMYKImage(const ImageInfo *image_info,
           }
         for (y=0; y < (ssize_t) image->rows; y++)
         {
-          register const PixelPacket
+          register const Quantum
             *restrict p;
 
-          p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
-          if (p == (const PixelPacket *) NULL)
+          p=GetVirtualPixels(image,0,y,image->columns,1,exception);
+          if (p == (const Quantum *) NULL)
             break;
-          length=ExportQuantumPixels(image,(const CacheView *) NULL,
-            quantum_info,MagentaQuantum,pixels,&image->exception);
+          length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
+            MagentaQuantum,pixels,exception);
           count=WriteBlob(image,length,pixels);
           if (count != (ssize_t) length)
             break;
@@ -1392,14 +1360,14 @@ static MagickBooleanType WriteCMYKImage(const ImageInfo *image_info,
           }
         for (y=0; y < (ssize_t) image->rows; y++)
         {
-          register const PixelPacket
+          register const Quantum
             *restrict p;
 
-          p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
-          if (p == (const PixelPacket *) NULL)
+          p=GetVirtualPixels(image,0,y,image->columns,1,exception);
+          if (p == (const Quantum *) NULL)
             break;
-          length=ExportQuantumPixels(image,(const CacheView *) NULL,
-            quantum_info,YellowQuantum,pixels,&image->exception);
+          length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
+            YellowQuantum,pixels,exception);
           count=WriteBlob(image,length,pixels);
           if (count != (ssize_t) length)
             break;
@@ -1412,14 +1380,14 @@ static MagickBooleanType WriteCMYKImage(const ImageInfo *image_info,
           }
         for (y=0; y < (ssize_t) image->rows; y++)
         {
-          register const PixelPacket
+          register const Quantum
             *restrict p;
 
-          p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
-          if (p == (const PixelPacket *) NULL)
+          p=GetVirtualPixels(image,0,y,image->columns,1,exception);
+          if (p == (const Quantum *) NULL)
             break;
-          length=ExportQuantumPixels(image,(const CacheView *) NULL,
-            quantum_info,BlackQuantum,pixels,&image->exception);
+          length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
+            BlackQuantum,pixels,exception);
           count=WriteBlob(image,length,pixels);
           if (count != (ssize_t) length)
             break;
@@ -1434,14 +1402,14 @@ static MagickBooleanType WriteCMYKImage(const ImageInfo *image_info,
           {
             for (y=0; y < (ssize_t) image->rows; y++)
             {
-              register const PixelPacket
+              register const Quantum
                 *restrict p;
 
-              p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
-              if (p == (const PixelPacket *) NULL)
+              p=GetVirtualPixels(image,0,y,image->columns,1,exception);
+              if (p == (const Quantum *) NULL)
                 break;
-              length=ExportQuantumPixels(image,(const CacheView *) NULL,
-                quantum_info,AlphaQuantum,pixels,&image->exception);
+              length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
+                AlphaQuantum,pixels,exception);
               count=WriteBlob(image,length,pixels);
               if (count != (ssize_t) length)
               break;
@@ -1471,19 +1439,19 @@ static MagickBooleanType WriteCMYKImage(const ImageInfo *image_info,
         */
         AppendImageFormat("C",image->filename);
         status=OpenBlob(image_info,image,scene == 0 ? WriteBinaryBlobMode :
-          AppendBinaryBlobMode,&image->exception);
+          AppendBinaryBlobMode,exception);
         if (status == MagickFalse)
           return(status);
         for (y=0; y < (ssize_t) image->rows; y++)
         {
-          register const PixelPacket
+          register const Quantum
             *restrict p;
 
-          p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
-          if (p == (const PixelPacket *) NULL)
+          p=GetVirtualPixels(image,0,y,image->columns,1,exception);
+          if (p == (const Quantum *) NULL)
             break;
-          length=ExportQuantumPixels(image,(const CacheView *) NULL,
-            quantum_info,CyanQuantum,pixels,&image->exception);
+          length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
+            CyanQuantum,pixels,exception);
           count=WriteBlob(image,length,pixels);
           if (count != (ssize_t) length)
             break;
@@ -1497,19 +1465,19 @@ static MagickBooleanType WriteCMYKImage(const ImageInfo *image_info,
         (void) CloseBlob(image);
         AppendImageFormat("M",image->filename);
         status=OpenBlob(image_info,image,scene == 0 ? WriteBinaryBlobMode :
-          AppendBinaryBlobMode,&image->exception);
+          AppendBinaryBlobMode,exception);
         if (status == MagickFalse)
           return(status);
         for (y=0; y < (ssize_t) image->rows; y++)
         {
-          register const PixelPacket
+          register const Quantum
             *restrict p;
 
-          p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
-          if (p == (const PixelPacket *) NULL)
+          p=GetVirtualPixels(image,0,y,image->columns,1,exception);
+          if (p == (const Quantum *) NULL)
             break;
-          length=ExportQuantumPixels(image,(const CacheView *) NULL,
-            quantum_info,MagentaQuantum,pixels,&image->exception);
+          length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
+            MagentaQuantum,pixels,exception);
           count=WriteBlob(image,length,pixels);
           if (count != (ssize_t) length)
             break;
@@ -1523,19 +1491,19 @@ static MagickBooleanType WriteCMYKImage(const ImageInfo *image_info,
         (void) CloseBlob(image);
         AppendImageFormat("Y",image->filename);
         status=OpenBlob(image_info,image,scene == 0 ? WriteBinaryBlobMode :
-          AppendBinaryBlobMode,&image->exception);
+          AppendBinaryBlobMode,exception);
         if (status == MagickFalse)
           return(status);
         for (y=0; y < (ssize_t) image->rows; y++)
         {
-          register const PixelPacket
+          register const Quantum
             *restrict p;
 
-          p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
-          if (p == (const PixelPacket *) NULL)
+          p=GetVirtualPixels(image,0,y,image->columns,1,exception);
+          if (p == (const Quantum *) NULL)
             break;
-          length=ExportQuantumPixels(image,(const CacheView *) NULL,
-            quantum_info,YellowQuantum,pixels,&image->exception);
+          length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
+            YellowQuantum,pixels,exception);
           count=WriteBlob(image,length,pixels);
           if (count != (ssize_t) length)
             break;
@@ -1549,19 +1517,19 @@ static MagickBooleanType WriteCMYKImage(const ImageInfo *image_info,
         (void) CloseBlob(image);
         AppendImageFormat("K",image->filename);
         status=OpenBlob(image_info,image,scene == 0 ? WriteBinaryBlobMode :
-          AppendBinaryBlobMode,&image->exception);
+          AppendBinaryBlobMode,exception);
         if (status == MagickFalse)
           return(status);
         for (y=0; y < (ssize_t) image->rows; y++)
         {
-          register const PixelPacket
+          register const Quantum
             *restrict p;
 
-          p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
-          if (p == (const PixelPacket *) NULL)
+          p=GetVirtualPixels(image,0,y,image->columns,1,exception);
+          if (p == (const Quantum *) NULL)
             break;
-          length=ExportQuantumPixels(image,(const CacheView *) NULL,
-            quantum_info,BlackQuantum,pixels,&image->exception);
+          length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
+            BlackQuantum,pixels,exception);
           count=WriteBlob(image,length,pixels);
           if (count != (ssize_t) length)
             break;
@@ -1577,20 +1545,19 @@ static MagickBooleanType WriteCMYKImage(const ImageInfo *image_info,
             (void) CloseBlob(image);
             AppendImageFormat("A",image->filename);
             status=OpenBlob(image_info,image,scene == 0 ? WriteBinaryBlobMode :
-              AppendBinaryBlobMode,&image->exception);
+              AppendBinaryBlobMode,exception);
             if (status == MagickFalse)
               return(status);
             for (y=0; y < (ssize_t) image->rows; y++)
             {
-              register const PixelPacket
+              register const Quantum
                 *restrict p;
 
-              p=GetVirtualPixels(image,0,y,image->columns,1,
-                &image->exception);
-              if (p == (const PixelPacket *) NULL)
+              p=GetVirtualPixels(image,0,y,image->columns,1,exception);
+              if (p == (const Quantum *) NULL)
                 break;
-              length=ExportQuantumPixels(image,(const CacheView *) NULL,
-                quantum_info,AlphaQuantum,pixels,&image->exception);
+              length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
+                AlphaQuantum,pixels,exception);
               count=WriteBlob(image,length,pixels);
               if (count != (ssize_t) length)
                 break;