]> granicus.if.org Git - imagemagick/blobdiff - coders/rle.c
Fixed api call to Ghostscript.
[imagemagick] / coders / rle.c
index 9a2f8833589dbfed5cbc882c9ecfbdc2a2008a5f..a1fb820694bd030bd7880a16529c745b07d72a29 100644 (file)
 %                          Read URT RLE Image Format                          %
 %                                                                             %
 %                              Software Design                                %
-%                                John Cristy                                  %
+%                                   Cristy                                    %
 %                                 July 1992                                   %
 %                                                                             %
 %                                                                             %
-%  Copyright 1999-2010 ImageMagick Studio LLC, a non-profit organization      %
+%  Copyright 1999-2014 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/property.h"
-#include "magick/blob.h"
-#include "magick/blob-private.h"
-#include "magick/cache.h"
-#include "magick/colormap.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 "MagickCore/studio.h"
+#include "MagickCore/property.h"
+#include "MagickCore/blob.h"
+#include "MagickCore/blob-private.h"
+#include "MagickCore/cache.h"
+#include "MagickCore/colormap.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/pixel.h"
+#include "MagickCore/static.h"
+#include "MagickCore/string_.h"
+#include "MagickCore/module.h"
 \f
 /*
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -141,45 +143,44 @@ static Image *ReadRLEImage(const ImageInfo *image_info,ExceptionInfo *exception)
     operand,
     status;
 
-  long
-    y;
-
   MagickStatusType
     flags;
 
   MagickSizeType
     number_pixels;
 
-  register IndexPacket
-    *indexes;
+  MemoryInfo
+    *pixel_info;
 
-  register long
+  register ssize_t
     x;
 
-  register PixelPacket
+  register Quantum
     *q;
 
-  register long
+  register ssize_t
     i;
 
   register unsigned char
     *p;
 
+  size_t
+    bits_per_pixel,
+    map_length,
+    number_colormaps,
+    number_planes,
+    one;
+
   ssize_t
-    count;
+    count,
+    y;
 
   unsigned char
     background_color[256],
     *colormap,
     pixel,
     plane,
-    *rle_pixels;
-
-  unsigned long
-    bits_per_pixel,
-    map_length,
-    number_colormaps,
-    number_planes;
+    *pixels;
 
   /*
     Open image file.
@@ -191,7 +192,7 @@ static Image *ReadRLEImage(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)
     {
@@ -214,11 +215,12 @@ static Image *ReadRLEImage(const ImageInfo *image_info,ExceptionInfo *exception)
     image->columns=ReadBlobLSBShort(image);
     image->rows=ReadBlobLSBShort(image);
     flags=(MagickStatusType) ReadBlobByte(image);
-    image->matte=flags & 0x04 ? MagickTrue : MagickFalse;
+    image->alpha_trait=flags & 0x04 ? BlendPixelTrait : UndefinedPixelTrait;
     number_planes=1UL*ReadBlobByte(image);
     bits_per_pixel=1UL*ReadBlobByte(image);
     number_colormaps=1UL*ReadBlobByte(image);
-    map_length=1UL << ReadBlobByte(image);
+    one=1;
+    map_length=one << (unsigned char) ReadBlobByte(image);
     if ((number_planes == 0) || (number_planes == 2) || (bits_per_pixel != 8) ||
         (image->columns == 0))
       ThrowReaderException(CorruptImageError,"ImproperImageHeader");
@@ -227,7 +229,7 @@ static Image *ReadRLEImage(const ImageInfo *image_info,ExceptionInfo *exception)
         /*
           No background color-- initialize to black.
         */
-        for (i=0; i < (long) number_planes; i++)
+        for (i=0; i < (ssize_t) number_planes; i++)
           background_color[i]=0;
         (void) ReadBlobByte(image);
       }
@@ -237,7 +239,7 @@ static Image *ReadRLEImage(const ImageInfo *image_info,ExceptionInfo *exception)
           Initialize background color.
         */
         p=background_color;
-        for (i=0; i < (long) number_planes; i++)
+        for (i=0; i < (ssize_t) number_planes; i++)
           *p++=(unsigned char) ReadBlobByte(image);
       }
     if ((number_planes & 0x01) == 0)
@@ -253,8 +255,8 @@ static Image *ReadRLEImage(const ImageInfo *image_info,ExceptionInfo *exception)
         if (colormap == (unsigned char *) NULL)
           ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
         p=colormap;
-        for (i=0; i < (long) number_colormaps; i++)
-          for (x=0; x < (long) map_length; x++)
+        for (i=0; i < (ssize_t) number_colormaps; i++)
+          for (x=0; x < (ssize_t) map_length; x++)
             *p++=(unsigned char) ScaleShortToQuantum(ReadBlobLSBShort(image));
       }
     if ((flags & 0x08) != 0)
@@ -262,7 +264,7 @@ static Image *ReadRLEImage(const ImageInfo *image_info,ExceptionInfo *exception)
         char
           *comment;
 
-        unsigned long
+        size_t
           length;
 
         /*
@@ -276,7 +278,7 @@ static Image *ReadRLEImage(const ImageInfo *image_info,ExceptionInfo *exception)
               ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
             count=ReadBlob(image,length-1,(unsigned char *) comment);
             comment[length-1]='\0';
-            (void) SetImageProperty(image,"comment",comment);
+            (void) SetImageProperty(image,"comment",comment,exception);
             comment=DestroyString(comment);
             if ((length & 0x01) == 0)
               (void) ReadBlobByte(image);
@@ -288,32 +290,33 @@ static Image *ReadRLEImage(const ImageInfo *image_info,ExceptionInfo *exception)
     /*
       Allocate RLE pixels.
     */
-    if (image->matte != MagickFalse)
+    if (image->alpha_trait == BlendPixelTrait)
       number_planes++;
     number_pixels=(MagickSizeType) image->columns*image->rows;
     if ((number_pixels*number_planes) != (size_t) (number_pixels*number_planes))
       ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
-    rle_pixels=(unsigned char *) AcquireQuantumMemory(image->columns,
-      image->rows*number_planes*sizeof(*rle_pixels));
-    if (rle_pixels == (unsigned char *) NULL)
+    pixel_info=AcquireVirtualMemory(image->columns,image->rows*number_planes*
+      sizeof(*pixels));
+    if (pixel_info == (MemoryInfo *) NULL)
       ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
+    pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info);
     if ((flags & 0x01) && !(flags & 0x02))
       {
-        long
+        ssize_t
           j;
 
         /*
           Set background color.
         */
-        p=rle_pixels;
-        for (i=0; i < (long) number_pixels; i++)
+        p=pixels;
+        for (i=0; i < (ssize_t) number_pixels; i++)
         {
-          if (image->matte == MagickFalse)
-            for (j=0; j < (long) number_planes; j++)
+          if (image->alpha_trait != BlendPixelTrait)
+            for (j=0; j < (ssize_t) number_planes; j++)
               *p++=background_color[j];
           else
             {
-              for (j=0; j < (long) (number_planes-1); j++)
+              for (j=0; j < (ssize_t) (number_planes-1); j++)
                 *p++=background_color[j];
               *p++=0;  /* initialize matte channel */
             }
@@ -361,13 +364,14 @@ static Image *ReadRLEImage(const ImageInfo *image_info,ExceptionInfo *exception)
           operand=ReadBlobByte(image);
           if (opcode & 0x40)
             operand=(int) ReadBlobLSBShort(image);
-          p=rle_pixels+((image->rows-y-1)*image->columns*number_planes)+
+          p=pixels+((image->rows-y-1)*image->columns*number_planes)+
             x*number_planes+plane;
           operand++;
-          for (i=0; i < (long) operand; i++)
+          for (i=0; i < (ssize_t) operand; i++)
           {
             pixel=(unsigned char) ReadBlobByte(image);
-            if ((y < (long) image->rows) && ((x+i) < (long) image->columns))
+            if ((y < (ssize_t) image->rows) &&
+                ((x+i) < (ssize_t) image->columns))
               *p=pixel;
             p+=number_planes;
           }
@@ -384,11 +388,12 @@ static Image *ReadRLEImage(const ImageInfo *image_info,ExceptionInfo *exception)
           pixel=(unsigned char) ReadBlobByte(image);
           (void) ReadBlobByte(image);
           operand++;
-          p=rle_pixels+((image->rows-y-1)*image->columns*number_planes)+
+          p=pixels+((image->rows-y-1)*image->columns*number_planes)+
             x*number_planes+plane;
-          for (i=0; i < (long) operand; i++)
+          for (i=0; i < (ssize_t) operand; i++)
           {
-            if ((y < (long) image->rows) && ((x+i) < (long) image->columns))
+            if ((y < (ssize_t) image->rows) &&
+                ((x+i) < (ssize_t) image->columns))
               *p=pixel;
             p+=number_planes;
           }
@@ -409,17 +414,17 @@ static Image *ReadRLEImage(const ImageInfo *image_info,ExceptionInfo *exception)
           Apply colormap affineation to image.
         */
         mask=(MagickStatusType) (map_length-1);
-        p=rle_pixels;
+        p=pixels;
         if (number_colormaps == 1)
-          for (i=0; i < (long) number_pixels; i++)
+          for (i=0; i < (ssize_t) number_pixels; i++)
           {
             *p=colormap[*p & mask];
             p++;
           }
         else
           if ((number_planes >= 3) && (number_colormaps >= 3))
-            for (i=0; i < (long) number_pixels; i++)
-              for (x=0; x < (long) number_planes; x++)
+            for (i=0; i < (ssize_t) number_pixels; i++)
+              for (x=0; x < (ssize_t) number_planes; x++)
               {
                 *p=colormap[x*map_length+(*p & mask)];
                 p++;
@@ -433,26 +438,27 @@ static Image *ReadRLEImage(const ImageInfo *image_info,ExceptionInfo *exception)
         /*
           Convert raster image to DirectClass pixel packets.
         */
-        p=rle_pixels;
-        for (y=0; y < (long) image->rows; y++)
+        p=pixels;
+        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;
-          for (x=0; x < (long) image->columns; x++)
+          for (x=0; x < (ssize_t) image->columns; x++)
           {
-            q->red=ScaleCharToQuantum(*p++);
-            q->green=ScaleCharToQuantum(*p++);
-            q->blue=ScaleCharToQuantum(*p++);
-            if (image->matte != MagickFalse)
-              q->opacity=(Quantum) (QuantumRange-ScaleCharToQuantum(*p++));
-            q++;
+            SetPixelRed(image,ScaleCharToQuantum(*p++),q);
+            SetPixelGreen(image,ScaleCharToQuantum(*p++),q);
+            SetPixelBlue(image,ScaleCharToQuantum(*p++),q);
+            if (image->alpha_trait == BlendPixelTrait)
+              SetPixelAlpha(image,ScaleCharToQuantum(*p++),q);
+            q+=GetPixelChannels(image);
           }
           if (SyncAuthenticPixels(image,exception) == MagickFalse)
             break;
           if (image->previous == (Image *) NULL)
             {
-              status=SetImageProgress(image,LoadImageTag,y,image->rows);
+              status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
+                image->rows);
               if (status == MagickFalse)
                 break;
             }
@@ -465,11 +471,11 @@ static Image *ReadRLEImage(const ImageInfo *image_info,ExceptionInfo *exception)
         */
         if (number_colormaps == 0)
           map_length=256;
-        if (AcquireImageColormap(image,map_length) == MagickFalse)
+        if (AcquireImageColormap(image,map_length,exception) == MagickFalse)
           ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
         p=colormap;
         if (number_colormaps == 1)
-          for (i=0; i < (long) image->colors; i++)
+          for (i=0; i < (ssize_t) image->colors; i++)
           {
             /*
               Pseudocolor.
@@ -480,74 +486,78 @@ static Image *ReadRLEImage(const ImageInfo *image_info,ExceptionInfo *exception)
           }
         else
           if (number_colormaps > 1)
-            for (i=0; i < (long) image->colors; i++)
+            for (i=0; i < (ssize_t) image->colors; i++)
             {
               image->colormap[i].red=ScaleCharToQuantum(*p);
               image->colormap[i].green=ScaleCharToQuantum(*(p+map_length));
               image->colormap[i].blue=ScaleCharToQuantum(*(p+map_length*2));
               p++;
             }
-        p=rle_pixels;
-        if (image->matte == MagickFalse)
+        p=pixels;
+        if (image->alpha_trait != BlendPixelTrait)
           {
             /*
               Convert raster image to PseudoClass pixel packets.
             */
-            for (y=0; y < (long) image->rows; y++)
+            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);
-              for (x=0; x < (long) image->columns; x++)
-                indexes[x]=(IndexPacket) (*p++);
+              for (x=0; x < (ssize_t) image->columns; x++)
+              {
+                SetPixelIndex(image,*p++,q);
+                q+=GetPixelChannels(image);
+              }
               if (SyncAuthenticPixels(image,exception) == MagickFalse)
                 break;
               if (image->previous == (Image *) NULL)
                 {
-                  status=SetImageProgress(image,LoadImageTag,y,image->rows);
+                  status=SetImageProgress(image,LoadImageTag,(MagickOffsetType)
+                    y,image->rows);
                   if (status == MagickFalse)
                     break;
                 }
             }
-            (void) SyncImage(image);
+            (void) SyncImage(image,exception);
           }
         else
           {
             /*
               Image has a matte channel-- promote to DirectClass.
             */
-            for (y=0; y < (long) image->rows; y++)
+            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;
-              for (x=0; x < (long) image->columns; x++)
+              for (x=0; x < (ssize_t) image->columns; x++)
               {
-                q->red=image->colormap[*p++].red;
-                q->green=image->colormap[*p++].green;
-                q->blue=image->colormap[*p++].blue;
-                q->opacity=(Quantum) (QuantumRange-ScaleCharToQuantum(*p++));
-                q++;
+                SetPixelRed(image,image->colormap[*p++].red,q);
+                SetPixelGreen(image,image->colormap[*p++].green,q);
+                SetPixelBlue(image,image->colormap[*p++].blue,q);
+                SetPixelAlpha(image,ScaleCharToQuantum(*p++),q);
+                q+=GetPixelChannels(image);
               }
               if (SyncAuthenticPixels(image,exception) == MagickFalse)
                 break;
               if (image->previous == (Image *) NULL)
                 {
-                  status=SetImageProgress(image,LoadImageTag,y,image->rows);
+                  status=SetImageProgress(image,LoadImageTag,(MagickOffsetType)
+                    y,image->rows);
                   if (status == MagickFalse)
                     break;
                 }
             }
-            image->colormap=(PixelPacket *)
-              RelinquishMagickMemory(image->colormap);
+            image->colormap=(PixelInfo *) RelinquishMagickMemory(
+              image->colormap);
             image->storage_class=DirectClass;
             image->colors=0;
           }
       }
     if (number_colormaps != 0)
       colormap=(unsigned char *) RelinquishMagickMemory(colormap);
-    rle_pixels=(unsigned char *) RelinquishMagickMemory(rle_pixels);
+    pixel_info=RelinquishVirtualMemory(pixel_info);
     if (EOFBlob(image) != MagickFalse)
       {
         ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
@@ -567,7 +577,7 @@ static Image *ReadRLEImage(const ImageInfo *image_info,ExceptionInfo *exception)
         /*
           Allocate next image structure.
         */
-        AcquireNextImage(image_info,image);
+        AcquireNextImage(image_info,image,exception);
         if (GetNextImageInList(image) == (Image *) NULL)
           {
             image=DestroyImageList(image);
@@ -604,10 +614,10 @@ static Image *ReadRLEImage(const ImageInfo *image_info,ExceptionInfo *exception)
 %
 %  The format of the RegisterRLEImage method is:
 %
-%      unsigned long RegisterRLEImage(void)
+%      size_t RegisterRLEImage(void)
 %
 */
-ModuleExport unsigned long RegisterRLEImage(void)
+ModuleExport size_t RegisterRLEImage(void)
 {
   MagickInfo
     *entry;