]> granicus.if.org Git - imagemagick/blobdiff - coders/bgr.c
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[imagemagick] / coders / bgr.c
index 556863b4697e913e03f0c5fbc83945a095254b7c..1c7a140121e8de21a8dc9de01d44143210d94240 100644 (file)
 %                     Read/Write Raw BGR Image Format                         %
 %                                                                             %
 %                              Software Design                                %
-%                                John Cristy                                  %
+%                                   Cristy                                    %
 %                                 July 1992                                   %
 %                                                                             %
 %                                                                             %
-%  Copyright 1999-2008 ImageMagick Studio LLC, a non-profit organization      %
+%  Copyright 1999-2015 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  %
@@ -43,6 +43,7 @@
 #include "MagickCore/blob.h"
 #include "MagickCore/blob-private.h"
 #include "MagickCore/cache.h"
+#include "MagickCore/channel.h"
 #include "MagickCore/colorspace.h"
 #include "MagickCore/colorspace-private.h"
 #include "MagickCore/constitute.h"
@@ -67,7 +68,7 @@
   Forward declarations.
 */
 static MagickBooleanType
-  WriteBGRImage(const ImageInfo *,Image *);
+  WriteBGRImage(const ImageInfo *,Image *,ExceptionInfo *);
 \f
 /*
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -99,6 +100,9 @@ static MagickBooleanType
 static Image *ReadBGRImage(const ImageInfo *image_info,
   ExceptionInfo *exception)
 {
+  const void
+    *pixels;
+
   Image
     *canvas_image,
     *image;
@@ -125,9 +129,6 @@ static Image *ReadBGRImage(const ImageInfo *image_info,
     count,
     y;
 
-  unsigned char
-    *pixels;
-
   /*
     Open image file.
   */
@@ -138,10 +139,9 @@ static Image *ReadBGRImage(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=RGBColorspace;
   if (image_info->interlace != PartitionInterlace)
     {
       status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
@@ -159,17 +159,25 @@ static Image *ReadBGRImage(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");
-  pixels=GetQuantumPixels(quantum_info);
   quantum_type=BGRQuantum;
   if (LocaleCompare(image_info->magick,"BGRA") == 0)
     {
       quantum_type=BGRAQuantum;
-      image->matte=MagickTrue;
+      image->alpha_trait=BlendPixelTrait;
+      canvas_image->alpha_trait=BlendPixelTrait;
     }
+  if (LocaleCompare(image_info->magick,"BGRO") == 0)
+    {
+      quantum_type=BGROQuantum;
+      image->alpha_trait=BlendPixelTrait;
+      canvas_image->alpha_trait=BlendPixelTrait;
+    }
+  pixels=(const void *) NULL;
   if (image_info->number_scenes != 0)
     while (image->scene < image_info->scene)
     {
@@ -180,7 +188,8 @@ static Image *ReadBGRImage(const ImageInfo *image_info,
       length=GetQuantumExtent(canvas_image,quantum_info,quantum_type);
       for (y=0; y < (ssize_t) image->rows; y++)
       {
-        count=ReadBlob(image,length,pixels);
+        pixels=ReadBlobStream(image,length,GetQuantumPixels(quantum_info),
+          &count);
         if (count != (ssize_t) length)
           break;
       }
@@ -196,7 +205,9 @@ static Image *ReadBGRImage(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=RGBColorspace;
+    status=SetImageExtent(image,image->columns,image->rows,exception);
+    if (status == MagickFalse)
+      return(DestroyImageList(image));
     switch (image_info->interlace)
     {
       case NoInterlace:
@@ -208,7 +219,8 @@ static Image *ReadBGRImage(const ImageInfo *image_info,
         if (scene == 0)
           {
             length=GetQuantumExtent(canvas_image,quantum_info,quantum_type);
-            count=ReadBlob(image,length,pixels);
+            pixels=ReadBlobStream(image,length,GetQuantumPixels(quantum_info),
+              &count);
           }
         for (y=0; y < (ssize_t) image->extract_info.height; y++)
         {
@@ -229,7 +241,7 @@ static Image *ReadBGRImage(const ImageInfo *image_info,
             }
           q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1,
             exception);
-          if (q == (const Quantum *) NULL)
+          if (q == (Quantum *) NULL)
             break;
           length=ImportQuantumPixels(canvas_image,(CacheView *) NULL,
             quantum_info,quantum_type,pixels,exception);
@@ -243,7 +255,7 @@ static Image *ReadBGRImage(const ImageInfo *image_info,
               q=QueueAuthenticPixels(image,0,y-image->extract_info.y,
                 image->columns,1,exception);
               if ((p == (const Quantum *) NULL) ||
-                  (q == (const Quantum *) NULL))
+                  (q == (Quantum *) NULL))
                 break;
               for (x=0; x < (ssize_t) image->columns; x++)
               {
@@ -251,10 +263,10 @@ static Image *ReadBGRImage(const ImageInfo *image_info,
                 SetPixelGreen(image,GetPixelGreen(canvas_image,p),q);
                 SetPixelBlue(image,GetPixelBlue(canvas_image,p),q);
                 SetPixelAlpha(image,OpaqueAlpha,q);
-                if (image->matte != MagickFalse)
+                if (image->alpha_trait != UndefinedPixelTrait)
                   SetPixelAlpha(image,GetPixelAlpha(canvas_image,p),q);
-                p+=GetPixelComponents(canvas_image);
-                q+=GetPixelComponents(image);
+                p+=GetPixelChannels(canvas_image);
+                q+=GetPixelChannels(image);
               }
               if (SyncAuthenticPixels(image,exception) == MagickFalse)
                 break;
@@ -266,7 +278,8 @@ static Image *ReadBGRImage(const ImageInfo *image_info,
               if (status == MagickFalse)
                 break;
             }
-          count=ReadBlob(image,length,pixels);
+          pixels=ReadBlobStream(image,length,GetQuantumPixels(quantum_info),
+            &count);
         }
         break;
       }
@@ -287,7 +300,8 @@ static Image *ReadBGRImage(const ImageInfo *image_info,
         if (scene == 0)
           {
             length=GetQuantumExtent(canvas_image,quantum_info,RedQuantum);
-            count=ReadBlob(image,length,pixels);
+            pixels=ReadBlobStream(image,length,GetQuantumPixels(quantum_info),
+              &count);
           }
         for (y=0; y < (ssize_t) image->extract_info.height; y++)
         {
@@ -306,12 +320,12 @@ static Image *ReadBGRImage(const ImageInfo *image_info,
                 "UnexpectedEndOfFile",image->filename);
               break;
             }
-          for (i=0; i < (ssize_t) (image->matte != MagickFalse ? 4 : 3); i++)
+          for (i=0; i < (ssize_t) (image->alpha_trait != UndefinedPixelTrait ? 4 : 3); i++)
           {
             quantum_type=quantum_types[i];
             q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1,
               exception);
-            if (q == (const Quantum *) NULL)
+            if (q == (Quantum *) NULL)
               break;
             length=ImportQuantumPixels(canvas_image,(CacheView *) NULL,
               quantum_info,quantum_type,pixels,exception);
@@ -325,7 +339,7 @@ static Image *ReadBGRImage(const ImageInfo *image_info,
                 q=GetAuthenticPixels(image,0,y-image->extract_info.y,
                   image->columns,1,exception);
                 if ((p == (const Quantum *) NULL) ||
-                    (q == (const Quantum *) NULL))
+                    (q == (Quantum *) NULL))
                   break;
                 for (x=0; x < (ssize_t) image->columns; x++)
                 {
@@ -359,13 +373,14 @@ static Image *ReadBGRImage(const ImageInfo *image_info,
                     default:
                       break;
                   }
-                  p+=GetPixelComponents(canvas_image);
-                  q+=GetPixelComponents(image);
+                  p+=GetPixelChannels(canvas_image);
+                  q+=GetPixelChannels(image);
                 }
                 if (SyncAuthenticPixels(image,exception) == MagickFalse)
                   break;
               }
-            count=ReadBlob(image,length,pixels);
+            pixels=ReadBlobStream(image,length,GetQuantumPixels(quantum_info),
+              &count);
           }
           if (image->previous == (Image *) NULL)
             {
@@ -385,7 +400,8 @@ static Image *ReadBGRImage(const ImageInfo *image_info,
         if (scene == 0)
           {
             length=GetQuantumExtent(canvas_image,quantum_info,RedQuantum);
-            count=ReadBlob(image,length,pixels);
+            pixels=ReadBlobStream(image,length,GetQuantumPixels(quantum_info),
+              &count);
           }
         for (y=0; y < (ssize_t) image->extract_info.height; y++)
         {
@@ -406,7 +422,7 @@ static Image *ReadBGRImage(const ImageInfo *image_info,
             }
           q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1,
             exception);
-          if (q == (const Quantum *) NULL)
+          if (q == (Quantum *) NULL)
             break;
           length=ImportQuantumPixels(canvas_image,(CacheView *) NULL,
             quantum_info,RedQuantum,pixels,exception);
@@ -420,18 +436,19 @@ static Image *ReadBGRImage(const ImageInfo *image_info,
               q=GetAuthenticPixels(image,0,y-image->extract_info.y,
                 image->columns,1,exception);
               if ((p == (const Quantum *) NULL) ||
-                  (q == (const Quantum *) NULL))
+                  (q == (Quantum *) NULL))
                 break;
               for (x=0; x < (ssize_t) image->columns; x++)
               {
                 SetPixelRed(image,GetPixelRed(canvas_image,p),q);
-                p+=GetPixelComponents(canvas_image);
-                q+=GetPixelComponents(image);
+                p+=GetPixelChannels(canvas_image);
+                q+=GetPixelChannels(image);
               }
               if (SyncAuthenticPixels(image,exception) == MagickFalse)
                 break;
             }
-          count=ReadBlob(image,length,pixels);
+          pixels=ReadBlobStream(image,length,GetQuantumPixels(quantum_info),
+            &count);
         }
         if (image->previous == (Image *) NULL)
           {
@@ -458,7 +475,7 @@ static Image *ReadBGRImage(const ImageInfo *image_info,
             }
           q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1,
             exception);
-          if (q == (const Quantum *) NULL)
+          if (q == (Quantum *) NULL)
             break;
           length=ImportQuantumPixels(canvas_image,(CacheView *) NULL,
             quantum_info,GreenQuantum,pixels,exception);
@@ -472,18 +489,19 @@ static Image *ReadBGRImage(const ImageInfo *image_info,
               q=GetAuthenticPixels(image,0,y-image->extract_info.y,
                 image->columns,1,exception);
               if ((p == (const Quantum *) NULL) ||
-                  (q == (const Quantum *) NULL))
+                  (q == (Quantum *) NULL))
                 break;
               for (x=0; x < (ssize_t) image->columns; x++)
               {
                 SetPixelGreen(image,GetPixelGreen(canvas_image,p),q);
-                p+=GetPixelComponents(canvas_image);
-                q+=GetPixelComponents(image);
+                p+=GetPixelChannels(canvas_image);
+                q+=GetPixelChannels(image);
               }
               if (SyncAuthenticPixels(image,exception) == MagickFalse)
                 break;
            }
-          count=ReadBlob(image,length,pixels);
+          pixels=ReadBlobStream(image,length,GetQuantumPixels(quantum_info),
+            &count);
         }
         if (image->previous == (Image *) NULL)
           {
@@ -510,7 +528,7 @@ static Image *ReadBGRImage(const ImageInfo *image_info,
             }
           q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1,
             exception);
-          if (q == (const Quantum *) NULL)
+          if (q == (Quantum *) NULL)
             break;
           length=ImportQuantumPixels(canvas_image,(CacheView *) NULL,
             quantum_info,BlueQuantum,pixels,exception);
@@ -524,18 +542,19 @@ static Image *ReadBGRImage(const ImageInfo *image_info,
               q=GetAuthenticPixels(image,0,y-image->extract_info.y,
                 image->columns,1,exception);
               if ((p == (const Quantum *) NULL) ||
-                  (q == (const Quantum *) NULL))
+                  (q == (Quantum *) NULL))
                 break;
               for (x=0; x < (ssize_t) image->columns; x++)
               {
                 SetPixelBlue(image,GetPixelBlue(canvas_image,p),q);
-                p+=GetPixelComponents(canvas_image);
-                q+=GetPixelComponents(image);
+                p+=GetPixelChannels(canvas_image);
+                q+=GetPixelChannels(image);
               }
               if (SyncAuthenticPixels(image,exception) == MagickFalse)
                 break;
             }
-          count=ReadBlob(image,length,pixels);
+          pixels=ReadBlobStream(image,length,GetQuantumPixels(quantum_info),
+            &count);
         }
         if (image->previous == (Image *) NULL)
           {
@@ -549,7 +568,7 @@ static Image *ReadBGRImage(const ImageInfo *image_info,
             if (status == MagickFalse)
               break;
           }
-        if (image->matte != MagickFalse)
+        if (image->alpha_trait != UndefinedPixelTrait)
           {
             for (y=0; y < (ssize_t) image->extract_info.height; y++)
             {
@@ -570,7 +589,7 @@ static Image *ReadBGRImage(const ImageInfo *image_info,
                 }
               q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1,
                 exception);
-              if (q == (const Quantum *) NULL)
+              if (q == (Quantum *) NULL)
                 break;
               length=ImportQuantumPixels(canvas_image,(CacheView *) NULL,
                 quantum_info,AlphaQuantum,pixels,exception);
@@ -585,18 +604,19 @@ static Image *ReadBGRImage(const ImageInfo *image_info,
                   q=GetAuthenticPixels(image,0,y-image->extract_info.y,
                     image->columns,1,exception);
                   if ((p == (const Quantum *) NULL) ||
-                      (q == (const Quantum *) NULL))
+                      (q == (Quantum *) NULL))
                     break;
                   for (x=0; x < (ssize_t) image->columns; x++)
                   {
                     SetPixelAlpha(image,GetPixelAlpha(canvas_image,p),q);
-                    p+=GetPixelComponents(canvas_image);
-                    q+=GetPixelComponents(image);
+                    p+=GetPixelChannels(canvas_image);
+                    q+=GetPixelChannels(image);
                   }
                   if (SyncAuthenticPixels(image,exception) == MagickFalse)
                     break;
                 }
-              count=ReadBlob(image,length,pixels);
+              pixels=ReadBlobStream(image,length,GetQuantumPixels(quantum_info),
+                &count);
             }
             if (image->previous == (Image *) NULL)
               {
@@ -632,13 +652,18 @@ static Image *ReadBGRImage(const ImageInfo *image_info,
         length=GetQuantumExtent(canvas_image,quantum_info,BlueQuantum);
         for (i=0; i < (ssize_t) scene; i++)
           for (y=0; y < (ssize_t) image->extract_info.height; y++)
-            if (ReadBlob(image,length,pixels) != (ssize_t) length)
+          {
+            pixels=ReadBlobStream(image,length,GetQuantumPixels(quantum_info),
+              &count);
+            if (count != (ssize_t) length)
               {
                 ThrowFileException(exception,CorruptImageError,
                   "UnexpectedEndOfFile",image->filename);
                 break;
               }
-        count=ReadBlob(image,length,pixels);
+          }
+        pixels=ReadBlobStream(image,length,GetQuantumPixels(quantum_info),
+          &count);
         for (y=0; y < (ssize_t) image->extract_info.height; y++)
         {
           register const Quantum
@@ -658,7 +683,7 @@ static Image *ReadBGRImage(const ImageInfo *image_info,
             }
           q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1,
             exception);
-          if (q == (const Quantum *) NULL)
+          if (q == (Quantum *) NULL)
             break;
           length=ImportQuantumPixels(canvas_image,(CacheView *) NULL,
             quantum_info,BlueQuantum,pixels,exception);
@@ -672,18 +697,19 @@ static Image *ReadBGRImage(const ImageInfo *image_info,
               q=GetAuthenticPixels(image,0,y-image->extract_info.y,
                 image->columns,1,exception);
               if ((p == (const Quantum *) NULL) ||
-                  (q == (const Quantum *) NULL))
+                  (q == (Quantum *) NULL))
                 break;
               for (x=0; x < (ssize_t) image->columns; x++)
               {
                 SetPixelRed(image,GetPixelRed(canvas_image,p),q);
-                p+=GetPixelComponents(canvas_image);
-                q+=GetPixelComponents(image);
+                p+=GetPixelChannels(canvas_image);
+                q+=GetPixelChannels(image);
               }
               if (SyncAuthenticPixels(image,exception) == MagickFalse)
                 break;
             }
-          count=ReadBlob(image,length,pixels);
+          pixels=ReadBlobStream(image,length,GetQuantumPixels(quantum_info),
+            &count);
         }
         if (image->previous == (Image *) NULL)
           {
@@ -703,13 +729,18 @@ static Image *ReadBGRImage(const ImageInfo *image_info,
         length=GetQuantumExtent(canvas_image,quantum_info,GreenQuantum);
         for (i=0; i < (ssize_t) scene; i++)
           for (y=0; y < (ssize_t) image->extract_info.height; y++)
-            if (ReadBlob(image,length,pixels) != (ssize_t) length)
+          {
+            pixels=ReadBlobStream(image,length,GetQuantumPixels(quantum_info),
+              &count);
+            if (count != (ssize_t) length)
               {
                 ThrowFileException(exception,CorruptImageError,
                   "UnexpectedEndOfFile",image->filename);
                 break;
               }
-        count=ReadBlob(image,length,pixels);
+          }
+        pixels=ReadBlobStream(image,length,GetQuantumPixels(quantum_info),
+          &count);
         for (y=0; y < (ssize_t) image->extract_info.height; y++)
         {
           register const Quantum
@@ -729,7 +760,7 @@ static Image *ReadBGRImage(const ImageInfo *image_info,
             }
           q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1,
             exception);
-          if (q == (const Quantum *) NULL)
+          if (q == (Quantum *) NULL)
             break;
           length=ImportQuantumPixels(canvas_image,(CacheView *) NULL,
             quantum_info,GreenQuantum,pixels,exception);
@@ -743,18 +774,19 @@ static Image *ReadBGRImage(const ImageInfo *image_info,
               q=GetAuthenticPixels(image,0,y-image->extract_info.y,
                 image->columns,1,exception);
               if ((p == (const Quantum *) NULL) ||
-                  (q == (const Quantum *) NULL))
+                  (q == (Quantum *) NULL))
                 break;
               for (x=0; x < (ssize_t) image->columns; x++)
               {
                 SetPixelGreen(image,GetPixelGreen(canvas_image,p),q);
-                p+=GetPixelComponents(canvas_image);
-                q+=GetPixelComponents(image);
+                p+=GetPixelChannels(canvas_image);
+                q+=GetPixelChannels(image);
               }
               if (SyncAuthenticPixels(image,exception) == MagickFalse)
                 break;
            }
-          count=ReadBlob(image,length,pixels);
+          pixels=ReadBlobStream(image,length,GetQuantumPixels(quantum_info),
+            &count);
         }
         if (image->previous == (Image *) NULL)
           {
@@ -774,13 +806,18 @@ static Image *ReadBGRImage(const ImageInfo *image_info,
         length=GetQuantumExtent(canvas_image,quantum_info,RedQuantum);
         for (i=0; i < (ssize_t) scene; i++)
           for (y=0; y < (ssize_t) image->extract_info.height; y++)
-            if (ReadBlob(image,length,pixels) != (ssize_t) length)
+          {
+            pixels=ReadBlobStream(image,length,GetQuantumPixels(quantum_info),
+              &count);
+            if (count != (ssize_t) length)
               {
                 ThrowFileException(exception,CorruptImageError,
                   "UnexpectedEndOfFile",image->filename);
                 break;
               }
-        count=ReadBlob(image,length,pixels);
+          }
+        pixels=ReadBlobStream(image,length,GetQuantumPixels(quantum_info),
+          &count);
         for (y=0; y < (ssize_t) image->extract_info.height; y++)
         {
           register const Quantum
@@ -800,7 +837,7 @@ static Image *ReadBGRImage(const ImageInfo *image_info,
             }
           q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1,
             exception);
-          if (q == (const Quantum *) NULL)
+          if (q == (Quantum *) NULL)
             break;
           length=ImportQuantumPixels(canvas_image,(CacheView *) NULL,
             quantum_info,RedQuantum,pixels,exception);
@@ -814,18 +851,19 @@ static Image *ReadBGRImage(const ImageInfo *image_info,
               q=GetAuthenticPixels(image,0,y-image->extract_info.y,
                 image->columns,1,exception);
               if ((p == (const Quantum *) NULL) ||
-                  (q == (const Quantum *) NULL))
+                  (q == (Quantum *) NULL))
                 break;
               for (x=0; x < (ssize_t) image->columns; x++)
               {
                 SetPixelBlue(image,GetPixelBlue(canvas_image,p),q);
-                p+=GetPixelComponents(canvas_image);
-                q+=GetPixelComponents(image);
+                p+=GetPixelChannels(canvas_image);
+                q+=GetPixelChannels(image);
               }
               if (SyncAuthenticPixels(image,exception) == MagickFalse)
                 break;
            }
-          count=ReadBlob(image,length,pixels);
+          pixels=ReadBlobStream(image,length,GetQuantumPixels(quantum_info),
+            &count);
         }
         if (image->previous == (Image *) NULL)
           {
@@ -833,7 +871,7 @@ static Image *ReadBGRImage(const ImageInfo *image_info,
             if (status == MagickFalse)
               break;
           }
-        if (image->matte != MagickFalse)
+        if (image->alpha_trait != UndefinedPixelTrait)
           {
             (void) CloseBlob(image);
             AppendImageFormat("A",image->filename);
@@ -847,13 +885,18 @@ static Image *ReadBGRImage(const ImageInfo *image_info,
             length=GetQuantumExtent(canvas_image,quantum_info,AlphaQuantum);
             for (i=0; i < (ssize_t) scene; i++)
               for (y=0; y < (ssize_t) image->extract_info.height; y++)
-                if (ReadBlob(image,length,pixels) != (ssize_t) length)
+              {
+                pixels=ReadBlobStream(image,length,
+                  GetQuantumPixels(quantum_info),&count);
+                if (count != (ssize_t) length)
                   {
                     ThrowFileException(exception,CorruptImageError,
                       "UnexpectedEndOfFile",image->filename);
                     break;
                   }
-            count=ReadBlob(image,length,pixels);
+              }
+            pixels=ReadBlobStream(image,length,GetQuantumPixels(quantum_info),
+              &count);
             for (y=0; y < (ssize_t) image->extract_info.height; y++)
             {
               register const Quantum
@@ -873,7 +916,7 @@ static Image *ReadBGRImage(const ImageInfo *image_info,
                 }
               q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1,
                 exception);
-              if (q == (const Quantum *) NULL)
+              if (q == (Quantum *) NULL)
                 break;
               length=ImportQuantumPixels(canvas_image,(CacheView *) NULL,
                 quantum_info,BlueQuantum,pixels,exception);
@@ -887,18 +930,19 @@ static Image *ReadBGRImage(const ImageInfo *image_info,
                   q=GetAuthenticPixels(image,0,y-image->extract_info.y,
                     image->columns,1,exception);
                   if ((p == (const Quantum *) NULL) ||
-                      (q == (const Quantum *) NULL))
+                      (q == (Quantum *) NULL))
                     break;
                   for (x=0; x < (ssize_t) image->columns; x++)
                   {
                     SetPixelAlpha(image,GetPixelAlpha(canvas_image,p),q);
-                    p+=GetPixelComponents(canvas_image);
-                    q+=GetPixelComponents(image);
+                    p+=GetPixelChannels(canvas_image);
+                    q+=GetPixelChannels(image);
                   }
                   if (SyncAuthenticPixels(image,exception) == MagickFalse)
                     break;
                }
-              count=ReadBlob(image,length,pixels);
+              pixels=ReadBlobStream(image,length,GetQuantumPixels(quantum_info),
+                &count);
             }
             if (image->previous == (Image *) NULL)
               {
@@ -929,7 +973,7 @@ static Image *ReadBGRImage(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);
@@ -944,7 +988,6 @@ static Image *ReadBGRImage(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));
@@ -978,21 +1021,25 @@ ModuleExport size_t RegisterBGRImage(void)
   MagickInfo
     *entry;
 
-  entry=SetMagickInfo("BGR");
+  entry=AcquireMagickInfo("BGR","BGR","Raw blue, green, and red samples");
+  entry->decoder=(DecodeImageHandler *) ReadBGRImage;
+  entry->encoder=(EncodeImageHandler *) WriteBGRImage;
+  entry->flags|=CoderRawSupportFlag;
+  entry->flags|=CoderEndianSupportFlag;
+  (void) RegisterMagickInfo(entry);
+  entry=AcquireMagickInfo("BGR","BGRA",
+    "Raw blue, green, red, and alpha samples");
   entry->decoder=(DecodeImageHandler *) ReadBGRImage;
   entry->encoder=(EncodeImageHandler *) WriteBGRImage;
-  entry->raw=MagickTrue;
-  entry->endian_support=MagickTrue;
-  entry->description=ConstantString("Raw blue, green, and red samples");
-  entry->module=ConstantString("BGR");
+  entry->flags|=CoderRawSupportFlag;
+  entry->flags|=CoderEndianSupportFlag;
   (void) RegisterMagickInfo(entry);
-  entry=SetMagickInfo("BGRA");
+  entry=AcquireMagickInfo("BGR","BGRO",
+    "Raw blue, green, red, and opacity samples");
   entry->decoder=(DecodeImageHandler *) ReadBGRImage;
   entry->encoder=(EncodeImageHandler *) WriteBGRImage;
-  entry->raw=MagickTrue;
-  entry->endian_support=MagickTrue;
-  entry->description=ConstantString("Raw blue, green, red, and alpha samples");
-  entry->module=ConstantString("BGR");
+  entry->flags|=CoderRawSupportFlag;
+  entry->flags|=CoderEndianSupportFlag;
   (void) RegisterMagickInfo(entry);
   return(MagickImageCoderSignature);
 }
@@ -1039,7 +1086,7 @@ ModuleExport void UnregisterBGRImage(void)
 %  The format of the WriteBGRImage method is:
 %
 %      MagickBooleanType WriteBGRImage(const ImageInfo *image_info,
-%        Image *image)
+%        Image *image,ExceptionInfo *exception)
 %
 %  A description of each parameter follows.
 %
@@ -1047,8 +1094,11 @@ ModuleExport void UnregisterBGRImage(void)
 %
 %    o image:  The image.
 %
+%    o exception: return any errors or warnings in this structure.
+%
 */
-static MagickBooleanType WriteBGRImage(const ImageInfo *image_info,Image *image)
+static MagickBooleanType WriteBGRImage(const ImageInfo *image_info,Image *image,
+  ExceptionInfo *exception)
 {
   MagickBooleanType
     status;
@@ -1086,7 +1136,9 @@ static MagickBooleanType WriteBGRImage(const ImageInfo *image_info,Image *image)
       /*
         Open output image file.
       */
-      status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
+      assert(exception != (ExceptionInfo *) NULL);
+  assert(exception->signature == MagickSignature);
+  status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
       if (status == MagickFalse)
         return(status);
     }
@@ -1094,7 +1146,7 @@ static MagickBooleanType WriteBGRImage(const ImageInfo *image_info,Image *image)
   if (LocaleCompare(image_info->magick,"BGRA") == 0)
     {
       quantum_type=BGRAQuantum;
-      image->matte=MagickTrue;
+      image->alpha_trait=BlendPixelTrait;
     }
   scene=0;
   do
@@ -1102,11 +1154,10 @@ static MagickBooleanType WriteBGRImage(const ImageInfo *image_info,Image *image)
     /*
       Convert MIFF to BGR raster pixels.
     */
-    if (IsRGBColorspace(image->colorspace) == MagickFalse)
-      (void) TransformImageColorspace(image,RGBColorspace);
+    (void) TransformImageColorspace(image,sRGBColorspace,exception);
     if ((LocaleCompare(image_info->magick,"BGRA") == 0) &&
-        (image->matte == MagickFalse))
-      (void) SetImageAlphaChannel(image,OpaqueAlphaChannel);
+        (image->alpha_trait == UndefinedPixelTrait))
+      (void) SetImageAlphaChannel(image,OpaqueAlphaChannel,exception);
     quantum_info=AcquireQuantumInfo(image_info,image);
     if (quantum_info == (QuantumInfo *) NULL)
       ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
@@ -1124,11 +1175,11 @@ static MagickBooleanType WriteBGRImage(const ImageInfo *image_info,Image *image)
           register const Quantum
             *restrict p;
 
-          p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
+          p=GetVirtualPixels(image,0,y,image->columns,1,exception);
           if (p == (const Quantum *) NULL)
             break;
           length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
-            quantum_type,pixels,&image->exception);
+            quantum_type,pixels,exception);
           count=WriteBlob(image,length,pixels);
           if (count != (ssize_t) length)
             break;
@@ -1152,28 +1203,28 @@ static MagickBooleanType WriteBGRImage(const ImageInfo *image_info,Image *image)
           register const Quantum
             *restrict p;
 
-          p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
+          p=GetVirtualPixels(image,0,y,image->columns,1,exception);
           if (p == (const Quantum *) NULL)
             break;
           length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
-            BlueQuantum,pixels,&image->exception);
+            BlueQuantum,pixels,exception);
           count=WriteBlob(image,length,pixels);
           if (count != (ssize_t) length)
             break;
           length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
-            GreenQuantum,pixels,&image->exception);
+            GreenQuantum,pixels,exception);
           count=WriteBlob(image,length,pixels);
           if (count != (ssize_t) length)
             break;
           length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
-            RedQuantum,pixels,&image->exception);
+            RedQuantum,pixels,exception);
           count=WriteBlob(image,length,pixels);
           if (count != (ssize_t) length)
             break;
           if (quantum_type == BGRAQuantum)
             {
               length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
-                AlphaQuantum,pixels,&image->exception);
+                AlphaQuantum,pixels,exception);
               count=WriteBlob(image,length,pixels);
               if (count != (ssize_t) length)
                 break;
@@ -1198,11 +1249,11 @@ static MagickBooleanType WriteBGRImage(const ImageInfo *image_info,Image *image)
           register const Quantum
             *restrict p;
 
-          p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
+          p=GetVirtualPixels(image,0,y,image->columns,1,exception);
           if (p == (const Quantum *) NULL)
             break;
           length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
-            RedQuantum,pixels,&image->exception);
+            RedQuantum,pixels,exception);
           count=WriteBlob(image,length,pixels);
           if (count != (ssize_t) length)
             break;
@@ -1218,11 +1269,11 @@ static MagickBooleanType WriteBGRImage(const ImageInfo *image_info,Image *image)
           register const Quantum
             *restrict p;
 
-          p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
+          p=GetVirtualPixels(image,0,y,image->columns,1,exception);
           if (p == (const Quantum *) NULL)
             break;
           length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
-            GreenQuantum,pixels,&image->exception);
+            GreenQuantum,pixels,exception);
           count=WriteBlob(image,length,pixels);
           if (count != (ssize_t) length)
             break;
@@ -1238,11 +1289,11 @@ static MagickBooleanType WriteBGRImage(const ImageInfo *image_info,Image *image)
           register const Quantum
             *restrict p;
 
-          p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
+          p=GetVirtualPixels(image,0,y,image->columns,1,exception);
           if (p == (const Quantum *) NULL)
             break;
           length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
-            BlueQuantum,pixels,&image->exception);
+            BlueQuantum,pixels,exception);
           count=WriteBlob(image,length,pixels);
           if (count != (ssize_t) length)
             break;
@@ -1260,11 +1311,11 @@ static MagickBooleanType WriteBGRImage(const ImageInfo *image_info,Image *image)
               register const Quantum
                 *restrict p;
 
-              p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
+              p=GetVirtualPixels(image,0,y,image->columns,1,exception);
               if (p == (const Quantum *) NULL)
                 break;
               length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
-                AlphaQuantum,pixels,&image->exception);
+                AlphaQuantum,pixels,exception);
               count=WriteBlob(image,length,pixels);
               if (count != (ssize_t) length)
               break;
@@ -1278,7 +1329,7 @@ static MagickBooleanType WriteBGRImage(const ImageInfo *image_info,Image *image)
           }
         if (image_info->interlace == PartitionInterlace)
           (void) CopyMagickString(image->filename,image_info->filename,
-            MaxTextExtent);
+            MagickPathExtent);
         if (image->previous == (Image *) NULL)
           {
             status=SetImageProgress(image,SaveImageTag,6,6);
@@ -1294,7 +1345,7 @@ static MagickBooleanType WriteBGRImage(const ImageInfo *image_info,Image *image)
         */
         AppendImageFormat("B",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++)
@@ -1302,11 +1353,11 @@ static MagickBooleanType WriteBGRImage(const ImageInfo *image_info,Image *image)
           register const Quantum
             *restrict p;
 
-          p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
+          p=GetVirtualPixels(image,0,y,image->columns,1,exception);
           if (p == (const Quantum *) NULL)
             break;
           length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
-            BlueQuantum,pixels,&image->exception);
+            BlueQuantum,pixels,exception);
           count=WriteBlob(image,length,pixels);
           if (count != (ssize_t) length)
             break;
@@ -1320,7 +1371,7 @@ static MagickBooleanType WriteBGRImage(const ImageInfo *image_info,Image *image)
         (void) CloseBlob(image);
         AppendImageFormat("G",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++)
@@ -1328,11 +1379,11 @@ static MagickBooleanType WriteBGRImage(const ImageInfo *image_info,Image *image)
           register const Quantum
             *restrict p;
 
-          p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
+          p=GetVirtualPixels(image,0,y,image->columns,1,exception);
           if (p == (const Quantum *) NULL)
             break;
           length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
-            GreenQuantum,pixels,&image->exception);
+            GreenQuantum,pixels,exception);
           count=WriteBlob(image,length,pixels);
           if (count != (ssize_t) length)
             break;
@@ -1346,7 +1397,7 @@ static MagickBooleanType WriteBGRImage(const ImageInfo *image_info,Image *image)
         (void) CloseBlob(image);
         AppendImageFormat("R",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++)
@@ -1354,11 +1405,11 @@ static MagickBooleanType WriteBGRImage(const ImageInfo *image_info,Image *image)
           register const Quantum
             *restrict p;
 
-          p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
+          p=GetVirtualPixels(image,0,y,image->columns,1,exception);
           if (p == (const Quantum *) NULL)
             break;
           length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
-            RedQuantum,pixels,&image->exception);
+            RedQuantum,pixels,exception);
           count=WriteBlob(image,length,pixels);
           if (count != (ssize_t) length)
             break;
@@ -1375,7 +1426,7 @@ static MagickBooleanType WriteBGRImage(const ImageInfo *image_info,Image *image)
             (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++)
@@ -1383,12 +1434,11 @@ static MagickBooleanType WriteBGRImage(const ImageInfo *image_info,Image *image)
               register const Quantum
                 *restrict p;
 
-              p=GetVirtualPixels(image,0,y,image->columns,1,
-                &image->exception);
+              p=GetVirtualPixels(image,0,y,image->columns,1,exception);
               if (p == (const Quantum *) NULL)
                 break;
               length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
-                AlphaQuantum,pixels,&image->exception);
+                AlphaQuantum,pixels,exception);
               count=WriteBlob(image,length,pixels);
               if (count != (ssize_t) length)
                 break;
@@ -1402,7 +1452,7 @@ static MagickBooleanType WriteBGRImage(const ImageInfo *image_info,Image *image)
           }
         (void) CloseBlob(image);
         (void) CopyMagickString(image->filename,image_info->filename,
-          MaxTextExtent);
+          MagickPathExtent);
         if (image->previous == (Image *) NULL)
           {
             status=SetImageProgress(image,SaveImageTag,6,6);