...

[imagemagick] / coders / mono.c

diff --git a/coders/mono.c b/coders/mono.c
index 138b257c13edef965237888cfae9a4b828a883d0..f0ba02602b8ba5b0b5d8ed5f63521d4f0eeaa51c 100644 (file)
--- a/coders/mono.c
+++ b/coders/mono.c
@@ -13,17 +13,17 @@
 %                   Read/Write Raw Bi-Level Bitmap Format                     %
 %                                                                             %
 %                              Software Design                                %
-%                                John Cristy                                  %
+%                                   Cristy                                    %
 %                                 July 1992                                   %
 %                                                                             %
 %                                                                             %
-%  Copyright 1999-2011 ImageMagick Studio LLC, a non-profit organization      %
+%  Copyright 1999-2018 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  %
 %  obtain a copy of the License at                                            %
 %                                                                             %
-%    http://www.imagemagick.org/script/license.php                            %
+%    https://www.imagemagick.org/script/license.php                           %
 %                                                                             %
 %  Unless required by applicable law or agreed to in writing, software        %
 %  distributed under the License is distributed on an "AS IS" BASIS,          %
@@ -40,6 +40,7 @@
   Include declarations.
 */
 #include "MagickCore/studio.h"
+#include "MagickCore/attribute.h"
 #include "MagickCore/blob.h"
 #include "MagickCore/blob-private.h"
 #include "MagickCore/cache.h"
@@ -66,7 +67,7 @@
   Forward declarations.
 */
 static MagickBooleanType
-  WriteMONOImage(const ImageInfo *,Image *);
+  WriteMONOImage(const ImageInfo *,Image *,ExceptionInfo *);
 \f
 /*
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -121,13 +122,13 @@ static Image *ReadMONOImage(const ImageInfo *image_info,
     Open image file.
   */
   assert(image_info != (const ImageInfo *) NULL);
-  assert(image_info->signature == MagickSignature);
+  assert(image_info->signature == MagickCoreSignature);
   if (image_info->debug != MagickFalse)
     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
       image_info->filename);
   assert(exception != (ExceptionInfo *) NULL);
-  assert(exception->signature == MagickSignature);
-  image=AcquireImage(image_info);
+  assert(exception->signature == MagickCoreSignature);
+  image=AcquireImage(image_info,exception);
   if ((image->columns == 0) || (image->rows == 0))
     ThrowReaderException(OptionError,"MustSpecifyImageSize");
   status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
@@ -143,20 +144,23 @@ static Image *ReadMONOImage(const ImageInfo *image_info,
     Initialize image colormap.
   */
   image->depth=1;
-  if (AcquireImageColormap(image,2) == MagickFalse)
+  if (AcquireImageColormap(image,2,exception) == MagickFalse)
     ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
   if (image_info->ping != MagickFalse)
     {
       (void) CloseBlob(image);
       return(GetFirstImageInList(image));
     }
+  status=SetImageExtent(image,image->columns,image->rows,exception);
+  if (status == MagickFalse)
+    return(DestroyImageList(image));
   /*
     Convert bi-level image to pixel packets.
   */
   for (y=0; y < (ssize_t) image->rows; y++)
   {
     q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
-    if (q == (const Quantum *) NULL)
+    if (q == (Quantum *) NULL)
       break;
     bit=0;
     byte=0;
@@ -181,7 +185,7 @@ static Image *ReadMONOImage(const ImageInfo *image_info,
     if (status == MagickFalse)
       break;
   }
-  (void) SyncImage(image);
+  (void) SyncImage(image,exception);
   if (EOFBlob(image) != MagickFalse)
     ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
       image->filename);
@@ -217,14 +221,12 @@ ModuleExport size_t RegisterMONOImage(void)
   MagickInfo
     *entry;
 
-  entry=SetMagickInfo("MONO");
+  entry=AcquireMagickInfo("MONO","MONO","Raw bi-level bitmap");
   entry->decoder=(DecodeImageHandler *) ReadMONOImage;
   entry->encoder=(EncodeImageHandler *) WriteMONOImage;
-  entry->raw=MagickTrue;
-  entry->endian_support=MagickTrue;
-  entry->adjoin=MagickFalse;
-  entry->description=ConstantString("Raw bi-level bitmap");
-  entry->module=ConstantString("MONO");
+  entry->flags|=CoderRawSupportFlag;
+  entry->flags|=CoderEndianSupportFlag;
+  entry->flags^=CoderAdjoinFlag;
   (void) RegisterMagickInfo(entry);
   return(MagickImageCoderSignature);
 }
@@ -269,7 +271,7 @@ ModuleExport void UnregisterMONOImage(void)
 %  The format of the WriteMONOImage method is:
 %
 %      MagickBooleanType WriteMONOImage(const ImageInfo *image_info,
-%        Image *image)
+%        Image *image,ExceptionInfo *exception)
 %
 %  A description of each parameter follows.
 %
@@ -277,9 +279,11 @@ ModuleExport void UnregisterMONOImage(void)
 %
 %    o image:  The image.
 %
+%    o exception: return any errors or warnings in this structure.
+%
 */
 static MagickBooleanType WriteMONOImage(const ImageInfo *image_info,
-  Image *image)
+  Image *image,ExceptionInfo *exception)
 {
   MagickBooleanType
     status;
@@ -301,23 +305,24 @@ static MagickBooleanType WriteMONOImage(const ImageInfo *image_info,
     Open output image file.
   */
   assert(image_info != (const ImageInfo *) NULL);
-  assert(image_info->signature == MagickSignature);
+  assert(image_info->signature == MagickCoreSignature);
   assert(image != (Image *) NULL);
-  assert(image->signature == MagickSignature);
+  assert(image->signature == MagickCoreSignature);
   if (image->debug != MagickFalse)
     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
-  status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
+  assert(exception != (ExceptionInfo *) NULL);
+  assert(exception->signature == MagickCoreSignature);
+  status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
   if (status == MagickFalse)
     return(status);
-  if (IsRGBColorspace(image->colorspace) == MagickFalse)
-    (void) TransformImageColorspace(image,RGBColorspace);
+  (void) TransformImageColorspace(image,sRGBColorspace,exception);
   /*
     Convert image to a bi-level image.
   */
-  (void) SetImageType(image,BilevelType);
+  (void) SetImageType(image,BilevelType,exception);
   for (y=0; y < (ssize_t) image->rows; y++)
   {
-    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;
     bit=0;
@@ -327,11 +332,11 @@ static MagickBooleanType WriteMONOImage(const ImageInfo *image_info,
       byte>>=1;
       if (image->endian == LSBEndian)
         {
-          if (GetPixelIntensity(image,p) < ((Quantum) QuantumRange/2.0))
+          if (GetPixelLuma(image,p) < (QuantumRange/2.0))
             byte|=0x80;
         }
       else
-        if (GetPixelIntensity(image,p) >= ((Quantum) QuantumRange/2.0))
+        if (GetPixelLuma(image,p) >= (QuantumRange/2.0))
           byte|=0x80;
       bit++;
       if (bit == 8)