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Diff for /parser3/src/classes/gd/Attic/gifio.C between versions 1.12 and 1.21.2.2.2.6

version 1.12, 2001/09/21 14:46:09 version 1.21.2.2.2.6, 2003/03/24 14:53:56
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) 2001-2003 ArtLebedev Group (http://www.artlebedev.com)
           Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
   
           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 23 Line 34
  ** CompuServe Incorporated.  GIF(sm) is a Service Mark property of   ** CompuServe Incorporated.  GIF(sm) is a Service Mark property of
  ** CompuServe Incorporated.   ** CompuServe Incorporated.
 */  */
 static const char *RCSId="$Id$";   
   static const char* IDENT_GIFIO_C="$Date$";
   
 #include "gif.h"  #include "gif.h"
   
 static int colorstobpp(int colors);  static int colorstobpp(int colors);
   
 void gdImage::Gif(String& out)  gdBuf gdImage::Gif()
 {  {
         int BitsPerPixel = colorstobpp(colorsTotal);          int BitsPerPixel = colorstobpp(colorsTotal);
         /* Clear any old values in statics strewn through the GIF code */          /* Clear any old values in statics strewn through the GIF code */
         gdGifEncoder encoder(pool(), *this, out);          CORD_ec x; CORD_ec_init(x);
           gdGifEncoder encoder(*this, x);
         /* All set, let's do it. */          /* All set, let's do it. */
         encoder.encode(          encoder.encode(
                 sx, sy, interlace, 0, transparent, BitsPerPixel,                  sx, sy, interlace, 0, transparent, BitsPerPixel,
                 red, green, blue);                  red, green, blue);
   
           CORD result=CORD_ec_to_cord(x);
           return gdBuf(CORD_to_char_star(result), CORD_len(result));
 }  }
   
 static int  static int
Line 73  colorstobpp(int colors) Line 89  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 203  gdGifEncoder::encode(int GWidth, int GHe Line 223  gdGifEncoder::encode(int GWidth, int GHe
         /*          /*
         * Write the Magic header          * Write the Magic header
         */          */
         fp << (Transparent < 0 ? "GIF87a" : "GIF89a");          Putbyte('G');Putbyte('I');Putbyte('F');
           Putbyte('8');Putbyte(Transparent < 0?'7':'9');Putbyte('a');
                   
         /*          /*
         * Write out the screen width and height          * Write out the screen width and height
Line 312  gdGifEncoder::encode(int GWidth, int GHe Line 333  gdGifEncoder::encode(int GWidth, int GHe
 */  */
 void   void 
 gdGifEncoder::Putbyte(int c) {  gdGifEncoder::Putbyte(int c) {
         char *p=(char *)malloc(1);          CORD_ec_append(fp, c);
         *p=c;  
         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 322  gdGifEncoder::Putbyte(int c) { Line 341  gdGifEncoder::Putbyte(int c) {
 void  void
 gdGifEncoder::Putword(int w)  gdGifEncoder::Putword(int w)
 {  {
         char *p=(char *)malloc(2);          CORD_ec_append(fp, w & 0xff);
         p[0]=w & 0xff;          CORD_ec_append(fp, w >> 8);
         p[1]=(w / 256) & 0xff;  
         fp.APPEND_AS_IS(p, 2, 0, 0);  
 }  }
   
   inline void ec_append(CORD_ec& result, char *buf, size_t size) {
           while(size--)
                   CORD_ec_append(result, *buf++);
   }
 void gdGifEncoder::Write(void *buf, size_t size) {  void gdGifEncoder::Write(void *buf, size_t size) {
         char *p=(char *)malloc(size);          ec_append(fp, (char*)buf, size);
         memcpy(p, buf, size);  
         fp.APPEND_AS_IS(p, size, 0, 0);  
 }  }
   
 /***************************************************************************  /***************************************************************************
Line 665  void Line 684  void
         }          }
 }  }
   
 gdGifEncoder::gdGifEncoder(Pool& pool, gdImage& aim, String& afp) : Pooled(pool),  gdGifEncoder::gdGifEncoder(gdImage& aim, CORD_ec& afp): 
         im(aim),           im(aim), 
         fp(afp) {          fp(afp) {
         /* Some of these are properly initialized later. What I'm doing          /* Some of these are properly initialized later. What I'm doing
Line 711  gdGifEncoder::gdGifEncoder(Pool& pool, g Line 730  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
Removed from v.1.12  
changed lines
  Added in v.1.21.2.2.2.6

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