/*

% Copyright (C) 2003-2026 GraphicsMagick Group

% Copyright (C) 2002 ImageMagick Studio

% Copyright 1991-1999 E. I. du Pont de Nemours and Company

%

% This program is covered by multiple licenses, which are described in

% Copyright.txt. You should have received a copy of Copyright.txt with this

% package; otherwise see http://www.graphicsmagick.org/www/Copyright.html.

%

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%                                                                             %

%                                                                             %

%                                                                             %

%                            TTTTT  X   X  TTTTT                              %

%                              T     X X     T                                %

%                              T      X      T                                %

%                              T     X X     T                                %

%                              T    X   X    T                                %

%                                                                             %

%                                                                             %

%                      Render Text Onto A Canvas Image.                       %

%                                                                             %

%                                                                             %

%                              Software Design                                %

%                                John Cristy                                  %

%                                 July 1992                                   %

%                              Jaroslav Fojtik                                %

%                                2009 - 2010                                  %

%                                                                             %

%                                                                             %

%                                                                             %

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%

% Patterns accepted:

%     0,0: 129,129,129,255

%     0,0: 129,129,129

%     0,0: (129,129,129) #818181

%     0,0: (3411594072,2774050136,1883729991) #CB58CB58A558A55870477047

%     0,0: (129,129,129,  0)  #81818100  rgba(129,129,129,0)

*/

/*

  Include declarations.

*/

#include "magick/studio.h"

#include "magick/blob.h"

#include "magick/pixel_cache.h"

#include "magick/color.h"

#include "magick/constitute.h"

#include "magick/magick.h"

#include "magick/monitor.h"

#include "magick/render.h"

#include "magick/texture.h"

#include "magick/utility.h"

#include "magick/static.h"

typedef enum

{

  NO_TXT = 0,

  IMAGEMAGICK_TXT = 1,

  TXT_GM8B_HEX,

  TXT_GM8B_PLAIN,

  TXT_GM8B_PLAIN2,

  TXT_GM16B_HEX,

  TXT_GM16B_PLAIN,

  TXT_GM32B_HEX,

  TXT_GM32B_PLAIN,

  IMAGEMAGICK_TXT_Q = 17,

  TXT_GM8B_HEX_Q,

  TXT_GM8B_PLAIN_Q,

  TXT_GM8B_PLAIN2_Q,

  TXT_GM16B_HEX_Q,

  TXT_GM16B_PLAIN_Q,

  TXT_GM32B_HEX_Q,

  TXT_GM32B_PLAIN_Q

} TXT_TYPE;

/*

  Forward declarations.

*/

static unsigned int

  WriteTXTImage(const ImageInfo *,Image *);

/** Reads up to end of line. */

static void readln(Image *image, int *pch)

{

  int

    ch=0;

  if (pch)

    ch=*pch;

  else

    ch=' ';

  while (ch != 10 /* LF */ && ch != 13 /* CR */ && ch != EOF)

    {

      ch = ReadBlobByte(image);

    }

  if (pch)

    *pch=ch;

}

static long ReadInt(Image *image, int *pch)

{

  int

    ch;

  long

    n;

  unsigned int

    digits;

  n=0;

  if (pch)

    ch=*pch;

  else

    ch=' ';

  while (isspace(ch) || ch == 0)

    {

      ch = ReadBlobByte(image);

      if (ch == EOF)

        return (0);

    }

  digits=0;

  while ((digits < 10) && isdigit(ch))

    {

      n=10*n+(ch-'0');

      ch = ReadBlobByte(image);

      if (ch == EOF)

        return (n);

      ch &= 0xff;

      digits++;

    }

  if (pch)

    *pch=ch;

  /*  else

      ungetc(ch,F); */

  return (n);

}

/*

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%                                                                             %

%                                                                             %

%                                                                             %

%   I s T X T                                                                 %

%                                                                             %

%                                                                             %

%                                                                             %

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%

%  Method IsTXT returns an enumerated value which indicates the raw TXT

%  image encoding subformat based on the file or blob header.  If the data

%  is not an ASCII encoded raw image, then the value NO_TXT is returned.

%

%  The format of the IsTXT method is:

%

%      TXT_TYPE IsTXT(const unsigned char *magick,const size_t length)

%

%  A description of each parameter follows:

%

%    o status:  Method IsTXT returns a value from the TXT_TYPE enumeration.

%

%    o magick: This string is generally the first few bytes of an image file

%      or blob.

%

%    o length: Specifies the length of the magick string.

%

%

*/

static TXT_TYPE IsTXT(const unsigned char *magick,const size_t length)

{

  if (length < 20)

    return (NO_TXT);

  {

    unsigned long

      column,

      row;

    unsigned int

      red,

      green,

      blue,

      opacity,

      hex_red,

      hex_green,

      hex_blue,

      hex_opacity;

    int

      count;

    char

      buffer[MaxTextExtent];

    (void) memset((void *)buffer,0,MaxTextExtent);

    (void) memcpy((void *)buffer,(const void *)magick,Min(MaxTextExtent-1,length));

    if (!strncmp(buffer,"# ImageMagick pixel enumeration:",32))

      return IMAGEMAGICK_TXT;

    count=sscanf(buffer,"%lu,%lu: (%u, %u, %u) #%02X%02X%02X",

                 &column, &row, &red, &green, &blue, &hex_red, &hex_green,

                 &hex_blue);

    if ((count == 8) && (column == 0) && (row == 0) && (red == hex_red) &&

        (green == hex_green) && (blue == hex_blue))

      return (TXT_GM8B_HEX);

    count=sscanf(buffer,"%lu,%lu: (%u, %u, %u) #%04X%04X%04X",

                 &column, &row, &red, &green, &blue, &hex_red, &hex_green,

                 &hex_blue);

    if ((count == 8) && (column == 0) && (row == 0) && (red == hex_red) &&

        (green == hex_green) && (blue == hex_blue))

      return (TXT_GM16B_HEX);

    count=sscanf(buffer,"%lu,%lu: (%u, %u, %u) #%08X%08X%08X",

                 &column, &row, &red, &green, &blue, &hex_red, &hex_green,

                 &hex_blue);

    if ((count == 8) && (column == 0) && (row == 0) && (red == hex_red) &&

        (green == hex_green) && (blue == hex_blue))

      return (TXT_GM32B_HEX);

    count=sscanf(buffer,"%lu,%lu: (%u, %u, %u, %u) #%02X%02X%02X%02X",

                 &column, &row, &red, &green, &blue, &opacity, &hex_red,

                 &hex_green, &hex_blue, &hex_opacity);

    if ((count == 10) && (column == 0) && (row == 0) && (red == hex_red) &&

        (green == hex_green) && (blue == hex_blue) && (opacity == hex_opacity))

      return (TXT_GM8B_HEX_Q);

    count=sscanf(buffer,"%lu,%lu: (%u, %u, %u, %u) #%04X%04X%04X%04X",

                 &column, &row, &red, &green, &blue, &opacity, &hex_red,

                 &hex_green, &hex_blue, &hex_opacity);

    if ((count == 10) && (column == 0) && (row == 0) && (red == hex_red) &&

        (green == hex_green) && (blue == hex_blue) && (opacity == hex_opacity))

      return (TXT_GM16B_HEX_Q);

    count=sscanf(buffer,"%lu,%lu: (%u, %u, %u, %u) #%08X%08X%08X%08X",

                 &column, &row, &red, &green, &blue, &opacity, &hex_red,

                 &hex_green, &hex_blue, &hex_opacity);

    if ((count == 10) && (column == 0) && (row == 0) && (red == hex_red) &&

        (green == hex_green) && (blue == hex_blue) && (opacity == hex_opacity))

      return (TXT_GM32B_HEX_Q);

    count=sscanf(buffer,"%lu,%lu: (%u, %u, %u, %u)",

                 &column, &row, &red, &green, &blue, &opacity);

    if (count==6)

      return TXT_GM8B_PLAIN_Q;

    count=sscanf(buffer,"%lu,%lu: %u, %u, %u, %u",

                 &column, &row, &red, &green, &blue, &opacity);

    if (count==6)

      return TXT_GM8B_PLAIN2_Q;

    count=sscanf(buffer,"%lu,%lu: (%u, %u, %u)",

                 &column, &row, &red, &green, &blue);

    if (count==5)

      return TXT_GM8B_PLAIN;

    count=sscanf(buffer,"%lu,%lu: %u, %u, %u",

                 &column, &row, &red, &green, &blue);

    if (count==5)

      return TXT_GM8B_PLAIN2;

  }

  return (NO_TXT);

}

/*

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%                                                                             %

%                                                                             %

%                                                                             %

%   R e a d T X T I m a g e                                                   %

%                                                                             %

%                                                                             %

%                                                                             %

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%

%  Method ReadTXTImage reads a text file and returns it as an image.  It

%  allocates the memory necessary for the new Image structure and returns a

%  pointer to the new image.

%

%  The format of the ReadTXTImage method is:

%

%      Image *ReadTXTImage(const ImageInfo *image_info,ExceptionInfo *exception)

%

%  A description of each parameter follows:

%

%    o image:  Method ReadTXTImage returns a pointer to the image after

%      reading. A null image is returned if there is a memory shortage or if

%      the image cannot be read.

%

%    o image_info: Specifies a pointer to a ImageInfo structure.

%

%    o exception: return any errors or warnings in this structure.

%

%

*/

static Image *ReadTXTImage(const ImageInfo *image_info,ExceptionInfo *exception)

{

  char

    *p,

    text[MaxTextExtent];

  Image

    *image;

  TXT_TYPE

    txt_subformat;

  MagickPassFail

    status;

  MagickBool

    logging;

  /*

    Open image file.

  */

  assert(image_info != (const ImageInfo *) NULL);

  assert(image_info->signature == MagickSignature);

  assert(exception != (ExceptionInfo *) NULL);

  assert(exception->signature == MagickSignature);

  logging = IsEventLogged(CoderEvent);

  image=AllocateImage(image_info);

  status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);

  if (status == False)

    ThrowReaderException(FileOpenError,UnableToOpenFile,image);

  p = ReadBlobString(image,text);

  if (p == NULL)

    ThrowReaderException(CorruptImageError,ImproperImageHeader,image);

  txt_subformat = IsTXT((unsigned char *)p,strlen(p));

  if (txt_subformat != NO_TXT)

    {

#define ThrowNOTXTReaderException(code_,reason_,image_)                 \

      do {                                                              \

        MagickFreeResourceLimitedMemory(unsigned char *,BImgBuff);      \

        ThrowReaderException(code_,reason_,image_);                     \

      } while (0);

      unsigned

        x,

        y;

      unsigned

        x_min,

        x_max,

        y_curr;

      int

        ch;

      unsigned long

        max,

        i;

      char

        NumOfPlanes;

      unsigned char

        *BImgBuff=0;

      magick_uint16_t

        *WImgBuff;

      magick_uint32_t

        *DImgBuff;

      magick_uint32_t

        R,

        G,

        B,

        A;

      PixelPacket

        *q;

      ExtendedSignedIntegralType NextImagePos = 0;

      ImportPixelAreaOptions

        import_options;

      if (logging)

        (void) LogMagickEvent(CoderEvent,GetMagickModule(),

                              "File RAW TXT type: %d", (int) txt_subformat);

      do {

        (void) SeekBlob(image,NextImagePos,SEEK_SET);

        if(NextImagePos!=0)

          {

            if (image_info->subrange != 0)

              if (image->scene >= (image_info->subimage+image_info->subrange-1))

                break;

            /* Allocate next image structure. */

            AllocateNextImage(image_info,image);

            if(image->next == (Image *)NULL) break;

            image = SyncNextImageInList(image);

            image->columns = image->rows = 0;

            image->colors=0;

          }

        A=0;

        x=0;

        y=0;

        max=0;

        switch(txt_subformat)

          {

          case TXT_GM8B_HEX:

          case TXT_GM8B_HEX_Q:

            max=255;

            break;

          case TXT_GM16B_HEX:

          case TXT_GM16B_HEX_Q:

            max=65535;

            break;

          case TXT_GM32B_HEX:

          case TXT_GM32B_HEX_Q:

            max=65536;

            break;

          default:

            break;

          }

        /*

          Set opacity flag.

        */

        image->matte=MagickFalse;

        if (txt_subformat >= IMAGEMAGICK_TXT_Q)

          image->matte=MagickTrue;

        if (!strncmp(p,"# ImageMagick pixel enumeration:",32))

          {

            if (sscanf(p+32,"%u,%u,%u",&x_min,&y_curr,&x_max) == 3) /* x_max-x_min+1 x_max=0 x_min=1 */

              {

                if ((x_max == 0) || (x_max < x_min))

                  ThrowReaderException(CorruptImageError,ImproperImageHeader,image);

                if (strstr(p+32,",rgb")!=NULL)

                  {

                    x = x_min-1;

                    y = y_curr-1;

                    max = x_max;

                  }

                if (strstr(p+32,",rgba")!=NULL)

                  {

                    txt_subformat = IMAGEMAGICK_TXT_Q;

                  }

              }

          }

        ch=0;

        if (x == 0 && y == 0)

          while (!EOFBlob(image))       /* auto detect sizes and num of planes */

            {

              while (!(ch >= '0' && ch <= '9'))

                {

                  /* go to the begin of number */

                  ch = ReadBlobByte(image);

                  if (ch == EOF)

                    goto EndReading;

                  if (ch == '#')

                    {

                      readln(image,&ch);

                      continue;

                    }

                  if (ch == 0 || ch > 128 ||

                      (ch >= 'a' && ch <= 'z') ||

                      (ch >= 'A' && ch <= 'Z'))

                    {

                    TXT_FAIL:                   /* not a text data */

                      ThrowNOTXTReaderException(CoderError,ImageTypeNotSupported,image);

                    }

                }

              /* x,y: (R,G,B) */

              x_min = ReadInt(image,&ch);               /* x */

              if (x_min > x)

                x = x_min;

              while (ch != ',')

                {

                  ch = ReadBlobByte(image);

                  if (ch==EOF)

                    break;

                  if (ch == 10 || ch == 13)

                    goto TXT_FAIL;

                }

              ch=0;

              i=ReadInt(image,&ch);             /* y */

              /* Check for next image start. */

              if(x_min==0 && i==0 && x>0 && y>0)

                goto EndReading;

              if (i > y)

                y=i;

              while (ch != ':')

                {

                  ch = ReadBlobByte(image);

                  if (ch == 10 || ch == 13)

                    goto TXT_FAIL;

                  if (ch == EOF)

                    break;

                }

              if (txt_subformat != TXT_GM8B_PLAIN2_Q)

                while (ch != '(')

                  {

                    ch = ReadBlobByte(image);

                    if (ch == 10 || ch == 13)

                      goto TXT_FAIL;

                    if (ch == EOF)

                      break;

                  }

              ch=0;

              R = ReadInt(image,&ch);           /* R */

              if (R > max)

                max=R;

              while (ch != ',')

                {

                  ch = ReadBlobByte(image);

                  if (ch == 10 || ch == 13)

                    goto TXT_FAIL;

                  if (ch == EOF)

                    break;

                }

              ch=0;

              G = ReadInt(image,&ch);           /* G */

              if (G > max)

                max=G;

              while (ch != ',')

                {

                  ch = ReadBlobByte(image);

                  if (ch == 10 || ch == 13)

                    goto TXT_FAIL;

                  if (ch == EOF)

                    break;

                }

              ch=0;

              B = ReadInt(image,&ch);           /* B */

              if (B > max)

                max=B;

              if (txt_subformat >= IMAGEMAGICK_TXT_Q)

                {

                  while (ch != ',')

                    {

                      ch = ReadBlobByte(image);

                      if (ch == 10 || ch == 13)

                        goto TXT_FAIL;

                      if (ch == EOF)

                        break;

                    }

                  ch=0;

                  A = ReadInt(image,&ch);               /* A */

                  if (A > max)

                    max=A;

                }

              if (txt_subformat != TXT_GM8B_PLAIN2_Q)

                while (ch != ')')

                  {

                    ch = ReadBlobByte(image);

                    if (ch == 10 || ch == 13)

                      goto TXT_FAIL;

                    if (ch == EOF)

                      break;

                  }

              readln(image,&ch);

            }

      EndReading:

        x_min = 1;

        x_max = 0;

        y_curr = 0;

        NumOfPlanes=8;

        /*   if (max>=    2) NumOfPlanes=2; */

        /*   if (max>=    4) NumOfPlanes=4; */

        /*   if (max>=   16) NumOfPlanes=8; */

        if (max >=  256)

          NumOfPlanes=16;

        if (max >=65536)

          NumOfPlanes=32;

        if (logging)

          (void)LogMagickEvent(CoderEvent,GetMagickModule(),

                               "Image detected[%lu] [%u * %u]: %d", image->scene, x, y, NumOfPlanes);

        image->depth = Min(QuantumDepth,NumOfPlanes);

        ImportPixelAreaOptionsInit(&import_options);

        import_options.endian = NativeEndian;

        image->columns = x+1;

        image->rows = y+1;

        if (logging)

          (void)LogMagickEvent(CoderEvent,GetMagickModule(),

                               "Image Geometry: %lux%lu", image->columns, image->rows);

        if (CheckImagePixelLimits(image, exception) != MagickPass)

          ThrowNOTXTReaderException(ResourceLimitError,ImagePixelLimitExceeded,image);

        /*

          Validate that file size is sufficient for claimed image properties

        */

        if (BlobIsSeekable(image))

          {

            magick_off_t

              file_size;

            if ((file_size=GetBlobSize(image)) != 0)

              {

                double

                  ratio;

                double

                  packet_size=40.0;  /* Max characters in a row */

                double

                  number_pixels=(double) image->columns*image->rows;

                ratio = (((double) number_pixels*packet_size)/file_size);

                if (ratio > 2.0)

                  {

                    (void) LogMagickEvent(CoderEvent,GetMagickModule(),

                                          "Unreasonable file size "

                                          "(ratio of pixels to file size %g)",

                                          ratio);

                    ThrowReaderException(CorruptImageError,InsufficientImageDataInFile,

                                         image);

                  }

              }

          }

        /* Assure that all image pixels are initialized to black */

        SetImage(image,OpaqueOpacity);

        BImgBuff = MagickAllocateResourceLimitedClearedArray(unsigned char *,

                                                             ((size_t)x+1),

                                                             ((size_t)((image->matte) ? 4 : 3)

                                                              * NumOfPlanes/8));

        WImgBuff = (magick_uint16_t *)BImgBuff;

        DImgBuff = (magick_uint32_t *)BImgBuff;

        if (BImgBuff == NULL)

          ThrowNOTXTReaderException(ResourceLimitError,MemoryAllocationFailed,image);

        (void) SeekBlob(image,NextImagePos,SEEK_SET);

        NextImagePos = 0;

        /*

          Load picture data

        */

        while (!EOFBlob(image))

          {

            x=0;

            while (!(ch >= '0' && ch <= '9'))

              {

                /* move to the beginning of number */

                if (EOFBlob(image))

                  goto FINISH;

                ch = ReadBlobByte(image);

                if (ch == '#')

                  {

                    readln(image,&ch);

                    continue;

                  }

                if (ch == 0 || ch > 128 || /* Duplicate image check for data with fixed geometry previous check is skipped. */

                    (ch >= 'a' && ch <= 'z') ||

                    (ch >= 'A' && ch <= 'Z'))

                  {                                 /* not a text data */

                    ThrowNOTXTReaderException(CoderError,ImageTypeNotSupported,image);

                  }

              }

            x = ReadInt(image,&ch);             /* x */

            while (ch != ',')

              {

                ch = ReadBlobByte(image);

                if (ch == EOF)

                  break;

              }

            ch = 0;

            y = ReadInt(image,&ch);             /* y */

            /* New image detected. */

            if(x==0 && y==0 && y_curr>0 && x_max>0)

              {

                NextImagePos = TellBlob(image) - 4;

                break;

              }

            while (ch != ':')

              {

                ch = ReadBlobByte(image);

                if (ch == EOF)

                  break;

              }

            while (ch != '(')

              {

                ch = ReadBlobByte(image);

                if (ch == EOF)

                  break;

              }

            ch=0;

            R = ReadInt(image,&ch);             /* R */

            while (ch != ',')

              {

                ch = ReadBlobByte(image);

                if (ch == EOF)

                  break;

              }

            ch=0;

            G = ReadInt(image,&ch);             /* G */

            while (ch != ',')

              {

                ch = ReadBlobByte(image);

                if (ch == EOF)

                  break;

              }

            ch=0;

            B = ReadInt(image,&ch);             /* B */

            if (image->matte)

              {

                while (ch != ',')

                  {

                    ch = ReadBlobByte(image);

                    if (ch == EOF)

                      break;

                  }

                ch=0;

                A = ReadInt(image,&ch);         /* A */

                if (A > max)

                  max=A;

              }

            while (ch != ')')

              {

                ch = ReadBlobByte(image);

                if (ch == EOF)

                  break;

              }

            /* A new line has been detected */

            if ((y != y_curr) && (x_max >= x_min))

              {

                q = SetImagePixels(image,x_min,y_curr,x_max-x_min+1,1);

                if (q == (PixelPacket *)NULL)

                  break;

                if (image->matte)

                  (void)ImportImagePixelArea(image,RGBAQuantum,NumOfPlanes,

                                             BImgBuff + (size_t)4*x_min*(NumOfPlanes/8),

                                             &import_options,0);

                else

                  (void)ImportImagePixelArea(image,RGBQuantum,NumOfPlanes,

                                             BImgBuff + (size_t)3*x_min*(NumOfPlanes/8),

                                             &import_options,0);

                if (!SyncImagePixels(image))

                  break;

                x_min = 1;

                x_max = 0;

                y_curr=y;

              }

            if (x < image->columns)

              {

                if (image->matte)

                  {

                    switch(NumOfPlanes)

                      {

                      case 8:

                        BImgBuff[0+4*x] = R;

                        BImgBuff[1+4*x] = G;

                        BImgBuff[2+4*x] = B;

                        BImgBuff[3+4*x] = 255U-A;

                        break;

                      case 16:

                        WImgBuff[0+4*x] = R;

                        WImgBuff[1+4*x] = G;

                        WImgBuff[2+4*x] = B;

                        WImgBuff[3+4*x] = 65535U-A;

                        break;

                      case 32:

                        DImgBuff[0+4*x] = R;

                        DImgBuff[1+4*x] = G;

                        DImgBuff[2+4*x] = B;

                        DImgBuff[3+4*x] = 4294967295U-A;

                        break;

                      }

                  }

                else

                  {

                    switch(NumOfPlanes)

                      {

                      case 8:

                        BImgBuff[0+3*x] = R;

                        BImgBuff[1+3*x] = G;

                        BImgBuff[2+3*x] = B;

                        break;

                      case 16:

                        WImgBuff[0+3*x] = R;

                        WImgBuff[1+3*x] = G;

                        WImgBuff[2+3*x] = B;

                        break;

                      case 32:

                        DImgBuff[0+3*x] = R;

                        DImgBuff[1+3*x] = G;

                        DImgBuff[2+3*x] = B;

                        break;

                      }

                  }

                if (x_min > x_max)

                  {

                    x_max=x_min=x;

                  }

                else

                  {

                    if (x < x_min)

                      x_min=x;

                    if (x > x_max)

                      x_max=x;

                  }

              }

            readln(image,&ch);

          }

      FINISH:

        if (x_min <= x_max)

          {

            q = SetImagePixels(image,x_min,y_curr,x_max-x_min+1,1);

            if (q != (PixelPacket *)NULL)

              {

                if (image->matte)

                  (void)ImportImagePixelArea(image, RGBAQuantum, NumOfPlanes,

                                             BImgBuff + (size_t)4*x_min*(NumOfPlanes/8),

                                             &import_options, 0);

                else

                  (void)ImportImagePixelArea(image, RGBQuantum, NumOfPlanes,

                                             BImgBuff + (size_t)3*x_min*(NumOfPlanes/8),

                                             &import_options, 0);

                if (!SyncImagePixels(image))

                  {

                    if (logging)

                      (void)LogMagickEvent(CoderEvent,GetMagickModule(),

                                           "  TXT failed to sync image pixels for a row %u", y_curr);

                  }

              }

          }

        /* Note that DImgBuff and WImgBuff point to BImgBuff */

        MagickFreeResourceLimitedMemory(unsigned char *,BImgBuff);

      } while(!EOFBlob(image) && NextImagePos>0);

      goto FINISH_TXT;

    }

  {

    /*

      Render arbitrary ASCII text as image.

    */

    char

      filename[MaxTextExtent],

      geometry[MaxTextExtent];

    double

      dx_resolution,

      dy_resolution;

    Image

      *texture = (Image *) NULL;

    long

      count,

      line_num,

      lines_per_page,

      margins,

      page_num,

      pixels_per_line;

    DrawInfo

      *draw_info = (DrawInfo *) NULL;

    RectangleInfo

      page;

    TypeMetric

      metrics;

    /*

      Set the page geometry.

    */

    dx_resolution=72.0;

    dy_resolution=72.0;

    if ((image->x_resolution == 0.0) || (image->y_resolution == 0.0))

      {

        char

          density[MaxTextExtent];

        (void) strlcpy(density,PSDensityGeometry,sizeof(density));

        count=GetMagickDimension(density,&image->x_resolution,

                                 &image->y_resolution,NULL,NULL);

        if (count != 2)

          image->y_resolution=image->x_resolution;

      }

    SetGeometry(image,&page);

    page.width=612;

    page.height=792;

    (void) GetGeometry("612x792+43+43",&page.x,&page.y,&page.width,&page.height);

    if (image_info->page != (char *) NULL)

      (void) GetGeometry(image_info->page,&page.x,&page.y,&page.width,

                         &page.height);

    if (logging)

      (void)LogMagickEvent(CoderEvent,GetMagickModule(),

                           "Page Geometry: %lux%lu%+ld%+ld",

                           page.width,page.height,page.x,page.y);

    /*

      Initialize Image structure.

    */

    image->columns=(unsigned long)

      ceil(((page.width*image->x_resolution)/dx_resolution)-0.5);

    image->rows=(unsigned long)

      ceil(((page.height*image->y_resolution)/dy_resolution)-0.5);

    if (CheckImagePixelLimits(image, exception) != MagickPass)

      ThrowReaderException(ResourceLimitError,ImagePixelLimitExceeded,image);

    texture=(Image *) NULL;

    if (image_info->texture != (char *) NULL)

      {

        ImageInfo

          *clone_info;

        clone_info=CloneImageInfo(image_info);

        clone_info->blob=(void *) NULL;

        clone_info->length=0;

        (void) strlcpy(clone_info->filename,image_info->texture,MaxTextExtent);

        texture=ReadImage(clone_info,exception);

        DestroyImageInfo(clone_info);

      }

    /*

      Annotate the text image.

    */

    (void) SetImageEx(image,OpaqueOpacity,exception);

    draw_info=CloneDrawInfo(image_info,(DrawInfo *) NULL);

    draw_info->fill=image_info->pen;

    (void) CloneString(&draw_info->text,image_info->filename);

    MagickFormatString(geometry,sizeof(geometry),"0x0%+ld%+ld",page.x,page.y);

    (void) CloneString(&draw_info->geometry,geometry);

    status=GetTypeMetrics(image,draw_info,&metrics);

    if (status == False)

      {

        if (texture != (Image *) NULL)

          DestroyImage(texture);

        DestroyDrawInfo(draw_info);

        ThrowReaderException(TypeError,UnableToGetTypeMetrics,image);

      }

    if (logging)

      (void)LogMagickEvent(CoderEvent,GetMagickModule(),

                           "Type metrics: ascent=%g descent=%g"

                           " height=%g max_advance=%g",

                           metrics.ascent,metrics.descent,

                           metrics.height,metrics.max_advance);

    pixels_per_line=(long) (metrics.ascent-metrics.descent);

    margins=2*page.y;

    lines_per_page=((image->rows+1)-margins)/pixels_per_line+1;

    if (logging)

      (void)LogMagickEvent(CoderEvent,GetMagickModule(),

                           "Pixels per line: %ld",

                           pixels_per_line);

    if (logging)

      (void)LogMagickEvent(CoderEvent,GetMagickModule(),

                           "Lines per page: %ld",

                           lines_per_page);

    (void) strlcpy(filename,image_info->filename,MaxTextExtent);

    if (draw_info->text != NULL)

      *draw_info->text='\0';

    page_num=1;

    line_num=0;

    while (p != (char *) NULL)

      {

        /*

          Annotate image with text.

          Text lines are concatenated so that a full page is

          rendered at a time via AnnotateImage().

        */

        (void) ConcatenateString(&draw_info->text,text);

        (void) ConcatenateString(&draw_info->text,"\n");

        line_num++;

        if (image->previous == (Image *) NULL)

          if (QuantumTick(line_num,lines_per_page))

            if (!MagickMonitorFormatted(line_num,lines_per_page,&image->exception,