]> granicus.if.org Git - imagemagick/blobdiff - coders/xbm.c
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[imagemagick] / coders / xbm.c
index e94f2d97f8f730ec049dbc71197f2eeaf91664f0..57724ad2823963d4e5013a19284cf45b8c33d387 100644 (file)
@@ -17,7 +17,7 @@
 %                                 July 1992                                   %
 %                                                                             %
 %                                                                             %
-%  Copyright 1999-2010 ImageMagick Studio LLC, a non-profit organization      %
+%  Copyright 1999-2013 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/color-private.h"
-#include "magick/colormap.h"
-#include "magick/colorspace.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/quantum-private.h"
-#include "magick/static.h"
-#include "magick/string_.h"
-#include "magick/module.h"
-#include "magick/utility.h"
+#include "MagickCore/studio.h"
+#include "MagickCore/attribute.h"
+#include "MagickCore/blob.h"
+#include "MagickCore/blob-private.h"
+#include "MagickCore/cache.h"
+#include "MagickCore/color-private.h"
+#include "MagickCore/colormap.h"
+#include "MagickCore/colorspace.h"
+#include "MagickCore/colorspace-private.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/string_.h"
+#include "MagickCore/module.h"
+#include "MagickCore/utility.h"
 \f
 /*
   Forward declarations.
 */
 static MagickBooleanType
-  WriteXBMImage(const ImageInfo *,Image *);
+  WriteXBMImage(const ImageInfo *,Image *,ExceptionInfo *);
 \f
 /*
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -167,20 +170,14 @@ static Image *ReadXBMImage(const ImageInfo *image_info,ExceptionInfo *exception)
   Image
     *image;
 
-  ssize_t
-    y;
-
   MagickBooleanType
     status;
 
-  register IndexPacket
-    *indexes;
-
   register ssize_t
     i,
     x;
 
-  register PixelPacket
+  register Quantum
     *q;
 
   register unsigned char
@@ -189,20 +186,21 @@ static Image *ReadXBMImage(const ImageInfo *image_info,ExceptionInfo *exception)
   short int
     hex_digits[256];
 
-  size_t
-    length;
-
-  unsigned char
-    *data;
-
   size_t
     bit,
     byte,
     bytes_per_line,
+    length,
     padding,
     value,
     version;
 
+  ssize_t
+    y;
+
+  unsigned char
+    *data;
+
   unsigned long
     height,
     width;
@@ -217,7 +215,7 @@ static Image *ReadXBMImage(const ImageInfo *image_info,ExceptionInfo *exception)
       image_info->filename);
   assert(exception != (ExceptionInfo *) NULL);
   assert(exception->signature == MagickSignature);
-  image=AcquireImage(image_info);
+  image=AcquireImage(image_info,exception);
   status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
   if (status == MagickFalse)
     {
@@ -240,7 +238,7 @@ static Image *ReadXBMImage(const ImageInfo *image_info,ExceptionInfo *exception)
           (LocaleCompare(name+strlen(name)-7,"_height") == 0))
         break;
   image->columns=width;
-  image->rows=width;
+  image->rows=height;
   image->depth=8;
   image->storage_class=PseudoClass;
   image->colors=2;
@@ -274,14 +272,14 @@ static Image *ReadXBMImage(const ImageInfo *image_info,ExceptionInfo *exception)
   /*
     Initialize image structure.
   */
-  if (AcquireImageColormap(image,image->colors) == MagickFalse)
+  if (AcquireImageColormap(image,image->colors,exception) == MagickFalse)
     ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
   /*
     Initialize colormap.
   */
-  image->colormap[0].red=(Quantum) QuantumRange;
-  image->colormap[0].green=(Quantum) QuantumRange;
-  image->colormap[0].blue=(Quantum) QuantumRange;
+  image->colormap[0].red=QuantumRange;
+  image->colormap[0].green=QuantumRange;
+  image->colormap[0].blue=QuantumRange;
   image->colormap[1].red=(Quantum) 0;
   image->colormap[1].green=(Quantum) 0;
   image->colormap[1].blue=(Quantum) 0;
@@ -325,8 +323,8 @@ static Image *ReadXBMImage(const ImageInfo *image_info,ExceptionInfo *exception)
     Read hex image data.
   */
   padding=0;
-  if (((image->columns % 16) != 0) &&
-      ((image->columns % 16) < 9) && (version == 10))
+  if (((image->columns % 16) != 0) && ((image->columns % 16) < 9) &&
+      (version == 10))
     padding=1;
   bytes_per_line=(image->columns+7)/8+padding;
   length=(size_t) image->rows;
@@ -356,30 +354,30 @@ static Image *ReadXBMImage(const ImageInfo *image_info,ExceptionInfo *exception)
   for (y=0; y < (ssize_t) image->rows; y++)
   {
     q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
-    if (q == (PixelPacket *) NULL)
+    if (q == (Quantum *) NULL)
       break;
-    indexes=GetAuthenticIndexQueue(image);
     bit=0;
     byte=0;
     for (x=0; x < (ssize_t) image->columns; x++)
     {
       if (bit == 0)
         byte=(size_t) (*p++);
-      indexes[x]=(IndexPacket) ((byte & 0x01) != 0 ? 0x01 : 0x00);
+      SetPixelIndex(image,(Quantum) ((byte & 0x01) != 0 ? 0x01 : 0x00),q);
       bit++;
       byte>>=1;
       if (bit == 8)
         bit=0;
+      q+=GetPixelChannels(image);
     }
     if (SyncAuthenticPixels(image,exception) == MagickFalse)
       break;
     status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
-                image->rows);
+      image->rows);
     if (status == MagickFalse)
       break;
   }
   data=(unsigned char *) RelinquishMagickMemory(data);
-  (void) SyncImage(image);
+  (void) SyncImage(image,exception);
   (void) CloseBlob(image);
   return(GetFirstImageInList(image));
 }
@@ -459,11 +457,12 @@ ModuleExport void UnregisterXBMImage(void)
 %                                                                             %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %
-%  Procedure WriteXBMImage() writes an image to a file in the X bitmap format.
+%  WriteXBMImage() writes an image to a file in the X bitmap format.
 %
 %  The format of the WriteXBMImage method is:
 %
-%      MagickBooleanType WriteXBMImage(const ImageInfo *image_info,Image *image)
+%      MagickBooleanType WriteXBMImage(const ImageInfo *image_info,
+%        Image *image,ExceptionInfo *exception)
 %
 %  A description of each parameter follows.
 %
@@ -471,33 +470,33 @@ ModuleExport void UnregisterXBMImage(void)
 %
 %    o image:  The image.
 %
+%    o exception: return any errors or warnings in this structure.
 %
 */
-static MagickBooleanType WriteXBMImage(const ImageInfo *image_info,Image *image)
+static MagickBooleanType WriteXBMImage(const ImageInfo *image_info,Image *image,
+  ExceptionInfo *exception)
 {
   char
     basename[MaxTextExtent],
     buffer[MaxTextExtent];
 
-  ssize_t
-    y;
-
   MagickBooleanType
     status;
 
-  register const PixelPacket
+  register const Quantum
     *p;
 
   register ssize_t
     x;
 
-  ssize_t
-    count;
-
   size_t
     bit,
     byte;
 
+  ssize_t
+    count,
+    y;
+
   /*
     Open output image file.
   */
@@ -507,22 +506,24 @@ static MagickBooleanType WriteXBMImage(const ImageInfo *image_info,Image *image)
   assert(image->signature == MagickSignature);
   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 == MagickSignature);
+  status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
   if (status == MagickFalse)
     return(status);
-  if (image->colorspace != RGBColorspace)
-    (void) TransformImageColorspace(image,RGBColorspace);
+  if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse)
+    (void) TransformImageColorspace(image,sRGBColorspace,exception);
   /*
     Write X bitmap header.
   */
   GetPathComponent(image->filename,BasePath,basename);
-  (void) FormatMagickString(buffer,MaxTextExtent,"#define %s_width %.20g\n",
+  (void) FormatLocaleString(buffer,MaxTextExtent,"#define %s_width %.20g\n",
     basename,(double) image->columns);
   (void) WriteBlob(image,strlen(buffer),(unsigned char *) buffer);
-  (void) FormatMagickString(buffer,MaxTextExtent,"#define %s_height %.20g\n",
+  (void) FormatLocaleString(buffer,MaxTextExtent,"#define %s_height %.20g\n",
     basename,(double) image->rows);
   (void) WriteBlob(image,strlen(buffer),(unsigned char *) buffer);
-  (void) FormatMagickString(buffer,MaxTextExtent,
+  (void) FormatLocaleString(buffer,MaxTextExtent,
     "static char %s_bits[] = {\n",basename);
   (void) WriteBlob(image,strlen(buffer),(unsigned char *) buffer);
   (void) CopyMagickString(buffer," ",MaxTextExtent);
@@ -530,7 +531,7 @@ static MagickBooleanType WriteXBMImage(const ImageInfo *image_info,Image *image)
   /*
     Convert MIFF to X bitmap pixels.
   */
-  (void) SetImageType(image,BilevelType);
+  (void) SetImageType(image,BilevelType,exception);
   bit=0;
   byte=0;
   count=0;
@@ -540,13 +541,13 @@ static MagickBooleanType WriteXBMImage(const ImageInfo *image_info,Image *image)
   (void) WriteBlob(image,strlen(buffer),(unsigned char *) buffer);
   for (y=0; y < (ssize_t) image->rows; y++)
   {
-    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;
     for (x=0; x < (ssize_t) image->columns; x++)
     {
       byte>>=1;
-      if (PixelIntensity(p) < ((MagickRealType) QuantumRange/2.0))
+      if (GetPixelIntensity(image,p) < (QuantumRange/2))
         byte|=0x80;
       bit++;
       if (bit == 8)
@@ -554,7 +555,7 @@ static MagickBooleanType WriteXBMImage(const ImageInfo *image_info,Image *image)
           /*
             Write a bitmap byte to the image file.
           */
-          (void) FormatMagickString(buffer,MaxTextExtent,"0x%02X, ",
+          (void) FormatLocaleString(buffer,MaxTextExtent,"0x%02X, ",
             (unsigned int) (byte & 0xff));
           (void) WriteBlob(image,strlen(buffer),(unsigned char *) buffer);
           count++;
@@ -567,7 +568,7 @@ static MagickBooleanType WriteXBMImage(const ImageInfo *image_info,Image *image)
           bit=0;
           byte=0;
         }
-        p++;
+        p+=GetPixelChannels(image);
       }
     if (bit != 0)
       {
@@ -575,7 +576,7 @@ static MagickBooleanType WriteXBMImage(const ImageInfo *image_info,Image *image)
           Write a bitmap byte to the image file.
         */
         byte>>=(8-bit);
-        (void) FormatMagickString(buffer,MaxTextExtent,"0x%02X, ",
+        (void) FormatLocaleString(buffer,MaxTextExtent,"0x%02X, ",
           (unsigned int) (byte & 0xff));
         (void) WriteBlob(image,strlen(buffer),(unsigned char *) buffer);
         count++;
@@ -589,7 +590,7 @@ static MagickBooleanType WriteXBMImage(const ImageInfo *image_info,Image *image)
         byte=0;
       };
     status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
-                image->rows);
+      image->rows);
     if (status == MagickFalse)
       break;
   }