rnd-20131202-1-src

[rocksndiamonds.git] / src / libgame / pcx.c

diff --git a/src/libgame/pcx.c b/src/libgame/pcx.c
index 5fdf6f3ecb56d7a53e3272c8b6d88e7df2a604fa..908def5c1aa4f438e0d23e47fd5d3bbc1183b26f 100644 (file)
--- a/src/libgame/pcx.c
+++ b/src/libgame/pcx.c
@@ -1,7 +1,7 @@
 /***********************************************************
 * Artsoft Retro-Game Library                               *
 *----------------------------------------------------------*
-* (c) 1994-2002 Artsoft Entertainment                      *
+* (c) 1994-2006 Artsoft Entertainment                      *
 *               Holger Schemel                             *
 *               Detmolder Strasse 189                      *
 *               33604 Bielefeld                            *
@@ -11,14 +11,12 @@
 * pcx.c                                                    *
 ***********************************************************/
 
-#ifndef TARGET_SDL
-
-#include <stdio.h>
-
 #include "pcx.h"
 #include "misc.h"
 
 
+#if !defined(TARGET_SDL)
+
 #define PCX_DEBUG              0
 
 #define PCX_MAGIC              0x0a    /* first byte in a PCX image file    */
@@ -53,52 +51,6 @@ struct PCX_Header
 /* global PCX error value */
 int errno_pcx = PCX_Success;
 
-#if 0
-static byte *PCX_ReadBitmap(Image *image, byte *buffer_ptr, byte *buffer_last)
-{
-  /* Run Length Encoding: If the two high bits are set,
-   * then the low 6 bits contain a repeat count, and the byte to
-   * repeat is the next byte in the file.  If the two high bits are
-   * not set, then this is the byte to write.
-   */
-
-  unsigned int bytes_per_pixel = (image->depth + 7) / 8;
-  register byte *bitmap_ptr, *bitmap_last;
-  register byte value, count;
-
-  bitmap_ptr = image->data;
-  bitmap_last = bitmap_ptr + (image->width * image->height * bytes_per_pixel);
-
-  while (bitmap_ptr < bitmap_last && buffer_ptr < buffer_last)
-  {
-    value = *buffer_ptr++;
-
-    if ((value & 0xc0) == 0xc0)                /* this is a repeat count byte */
-    {
-      count = value & 0x3f;            /* extract repeat count from byte */
-      value = *buffer_ptr++;           /* next byte is value to repeat */
-
-      for (; count && bitmap_ptr < bitmap_last; count--)
-       *bitmap_ptr++ = value;
-
-      if (count)                       /* repeat count spans end of bitmap */
-       return NULL;
-    }
-    else
-      *bitmap_ptr++ = value;
-
-    image->rgb.color_used[value] = TRUE;
-  }
-
-  /* check if end of buffer was reached before end of bitmap */
-  if (bitmap_ptr < bitmap_last)
-    return NULL;
-
-  /* return current buffer position for next decoding function */
-  return buffer_ptr;
-}
-#endif
-
 static boolean PCX_ReadBitmap(FILE *file, struct PCX_Header *pcx, Image *image)
 {
   int width = image->width;
@@ -203,35 +155,6 @@ static boolean PCX_ReadBitmap(FILE *file, struct PCX_Header *pcx, Image *image)
   return TRUE;
 }
 
-#if 0
-static byte *PCX_ReadColormap(Image *image,byte *buffer_ptr, byte *buffer_last)
-{
-  int i, magic;
-
-  /* read colormap magic byte */
-  magic = *buffer_ptr++;
-
-  /* check magic colormap header byte */
-  if (magic != PCX_256COLORS_MAGIC)
-    return NULL;
-
-  /* check if enough bytes left for a complete colormap */
-  if (buffer_ptr + PCX_COLORMAP_SIZE > buffer_last)
-    return NULL;
-
-  /* read 256 colors from PCX colormap */
-  for (i = 0; i < PCX_MAXCOLORS; i++)
-  {
-    image->rgb.red[i]   = *buffer_ptr++ << 8;
-    image->rgb.green[i] = *buffer_ptr++ << 8;
-    image->rgb.blue[i]  = *buffer_ptr++ << 8;
-  }
-
-  /* return current buffer position for next decoding function */
-  return buffer_ptr;
-}
-#endif
-
 static boolean PCX_ReadColormap(FILE *file,struct PCX_Header *pcx,Image *image)
 {
   int pcx_depth = pcx->bits_per_pixel * pcx->color_planes;