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Diff for /parser3/src/classes/gd/Attic/gifio.C between versions 1.5 and 1.16

version 1.5, 2001/04/11 18:07:18 version 1.16, 2001/12/28 14:06:50
Line 1 Line 1
 /** @file  /** @file
         Parser: image manipulations impl2.          Parser: image manipulations impl2.
   
         Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)          Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
           Author: Alexander Petrosyan <paf@design.ru> (http://paf.design.ru)
   
         $Id$          $Id$
   
           based on: gd
   
           Written by Tom Boutell, 5/94.
           Copyright 1994, Cold Spring Harbor Labs.
           Permission granted to use this code in any fashion provided
           that this notice is retained and any alterations are
           labeled as such. It is requested, but not required, that
           you share extensions to this module with us so that we
           can incorporate them into new versions. 
   
         based on:          based on:
  **   **
Line 75  colorstobpp(int colors) Line 85  colorstobpp(int colors)
 *  *
 *****************************************************************************/  *****************************************************************************/
   
   #ifndef TRUE
 #define TRUE 1  #define TRUE 1
   #endif
   #ifndef FALSE
 #define FALSE 0  #define FALSE 0
   #endif
   
 /*  /*
 * Bump the 'curx' and 'cury' to point to the next pixel  * Bump the 'curx' and 'cury' to point to the next pixel
Line 316  void Line 330  void
 gdGifEncoder::Putbyte(int c) {  gdGifEncoder::Putbyte(int c) {
         char *p=(char *)malloc(1);          char *p=(char *)malloc(1);
         *p=c;          *p=c;
         fp.APPEND_CLEAN(p, 1, 0, 0);          fp.APPEND_AS_IS(p, 1, 0, 0);
 }  }
 /*  /*
 * Write out a word to the GIF file  * Write out a word to the GIF file
Line 327  gdGifEncoder::Putword(int w) Line 341  gdGifEncoder::Putword(int w)
         char *p=(char *)malloc(2);          char *p=(char *)malloc(2);
         p[0]=w & 0xff;          p[0]=w & 0xff;
         p[1]=(w / 256) & 0xff;          p[1]=(w / 256) & 0xff;
         fp.APPEND_CLEAN(p, 2, 0, 0);          fp.APPEND_AS_IS(p, 2, 0, 0);
 }  }
   
 void gdGifEncoder::Write(void *buf, size_t size) {  void gdGifEncoder::Write(void *buf, size_t size) {
         char *p=(char *)malloc(size);          char *p=(char *)malloc(size);
         memcpy(p, buf, size);          memcpy(p, buf, size);
         fp.APPEND_CLEAN(p, size, 0, 0);          fp.APPEND_AS_IS(p, size, 0, 0);
 }  }
   
 /***************************************************************************  /***************************************************************************
Line 353  void gdGifEncoder::Write(void *buf, size Line 367  void gdGifEncoder::Write(void *buf, size
   
 #ifdef NO_UCHAR  #ifdef NO_UCHAR
 typedef char   char_type;  typedef char   char_type;
 #else /*NO_UCHAR*/  #else
 typedef        unsigned char   char_type;  typedef        unsigned char   char_type;
 #endif /*NO_UCHAR*/  #endif
   
 /*  /*
 *  *
Line 371  typedef        unsigned char   char_type Line 385  typedef        unsigned char   char_type
 *              Joe Orost             (decvax!vax135!petsd!joe)  *              Joe Orost             (decvax!vax135!petsd!joe)
 *  *
 */  */
 #include <ctype.h>  
   
 #ifdef COMPATIBLE               /* But wrong! */  #ifdef COMPATIBLE               /* But wrong! */
 # define MAXCODE(n_bits)      ((code_int) 1 <<(n_bits) - 1)  # define MAXCODE(n_bits)      ((code_int) 1 <<(n_bits) - 1)
 #else /*COMPATIBLE*/  #else
 # define MAXCODE(n_bits)      (((code_int) 1 <<(n_bits)) - 1)  # define MAXCODE(n_bits)      (((code_int) 1 <<(n_bits)) - 1)
 #endif /*COMPATIBLE*/  #endif
   
 #define HashTabOf(i)       htab[i]  #define HashTabOf(i)       htab[i]
 #define CodeTabOf(i)    codetab[i]  #define CodeTabOf(i)    codetab[i]
Line 456  gdGifEncoder::compress(int init_bits) Line 468  gdGifEncoder::compress(int init_bits)
                   
 #ifdef SIGNED_COMPARE_SLOW  #ifdef SIGNED_COMPARE_SLOW
     while((c = GIFNextPixel( )) !=(unsigned) EOF ) {      while((c = GIFNextPixel( )) !=(unsigned) EOF ) {
 #else /*SIGNED_COMPARE_SLOW*/  #else
         while((c = GIFNextPixel( )) != EOF ) {  /* } */          while((c = GIFNextPixel( )) != EOF ) {  /* } */
 #endif /*SIGNED_COMPARE_SLOW*/  #endif
                                   
         ++in_count;          ++in_count;
                   
Line 489  nomatch: Line 501  nomatch:
         ent = c;          ent = c;
 #ifdef SIGNED_COMPARE_SLOW  #ifdef SIGNED_COMPARE_SLOW
         if((unsigned) free_ent <(unsigned) maxmaxcode) {          if((unsigned) free_ent <(unsigned) maxmaxcode) {
 #else /*SIGNED_COMPARE_SLOW*/  #else
                 if( free_ent < maxmaxcode ) {  /* } */                  if( free_ent < maxmaxcode ) {  /* } */
 #endif /*SIGNED_COMPARE_SLOW*/  #endif
                         CodeTabOf(i) = free_ent++; /* code -> hashtable */                          CodeTabOf(i) = free_ent++; /* code -> hashtable */
                         HashTabOf(i) = fcode;                          HashTabOf(i) = fcode;
                 } else                  } else
Line 595  void Line 607  void
 }  }
   
 void  void
         gdGifEncoder::cl_hash(register count_int hsize)          /* reset code table */          gdGifEncoder::cl_hash(count_int hsize)          /* reset code table */
                   
 {  {
                   
Line 715  gdGifEncoder::gdGifEncoder(Pool& pool, g Line 727  gdGifEncoder::gdGifEncoder(Pool& pool, g
   
 #define        MAXCOLORMAPSIZE         256  #define        MAXCOLORMAPSIZE         256
                   
   #ifndef TRUE
 #define        TRUE    1  #define        TRUE    1
   #endif
   #ifndef FALSE
 #define        FALSE   0  #define        FALSE   0
   #endif
                   
 #define CM_RED         0  #define CM_RED         0
 #define CM_GREEN       1  #define CM_GREEN       1
Line 744  gdGifEncoder::gdGifEncoder(Pool& pool, g Line 760  gdGifEncoder::gdGifEncoder(Pool& pool, g
                 unsigned int    AspectRatio;                  unsigned int    AspectRatio;
         };          };
 #endif  #endif
           
   /// Graphic Control Extension struct
   #ifndef DOXYGEN
 struct Gif89 {  struct Gif89 {
         int     transparent;          int     transparent;
         int     delayTime;          int     delayTime;
         int     inputFlag;          int     inputFlag;
         int     disposal;          int     disposal;
 };  };
   #endif
 static int ReadColorMap(FILE *fd, int number, unsigned char(*buffer)[256]);  static int ReadColorMap(FILE *fd, int number, unsigned char(*buffer)[256]);
 static int GetCode(FILE *fd, int code_size, int flag);  static int GetCode(FILE *fd, int code_size, int flag);
   
Removed from v.1.5  
changed lines
  Added in v.1.16

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