rnd-20031129-3-src

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

diff --git a/src/libgame/pcx.c b/src/libgame/pcx.c
index 7756b240f1831041170475fd12a52277043d3ee1..5fdf6f3ecb56d7a53e3272c8b6d88e7df2a604fa 100644 (file)
--- a/src/libgame/pcx.c
+++ b/src/libgame/pcx.c
@@ -19,7 +19,7 @@
 #include "misc.h"
 
 
-#define PCX_DEBUG              FALSE
+#define PCX_DEBUG              0
 
 #define PCX_MAGIC              0x0a    /* first byte in a PCX image file    */
 #define PCX_SUPPORTED_VERSION  5       /* last acceptable version number    */
@@ -169,6 +169,9 @@ static boolean PCX_ReadBitmap(FILE *file, struct PCX_Header *pcx, Image *image)
          {
            byte bit = (value >> j) & 1;
 
+           if (i * 8 + j >= width)     /* skip padding bits */
+             continue;
+
            bitmap_ptr[x++] |= bit << plane;
          }
        }
@@ -217,7 +220,7 @@ static byte *PCX_ReadColormap(Image *image,byte *buffer_ptr, byte *buffer_last)
     return NULL;
 
   /* read 256 colors from PCX colormap */
-  for (i=0; i<PCX_MAXCOLORS; i++)
+  for (i = 0; i < PCX_MAXCOLORS; i++)
   {
     image->rgb.red[i]   = *buffer_ptr++ << 8;
     image->rgb.green[i] = *buffer_ptr++ << 8;
@@ -253,7 +256,7 @@ static boolean PCX_ReadColormap(FILE *file,struct PCX_Header *pcx,Image *image)
     while (value != PCX_256COLORS_MAGIC);
 
     /* read 256 colors from PCX colormap */
-    for(i = 0; i < PCX_MAXCOLORS; i++)
+    for (i = 0; i < PCX_MAXCOLORS; i++)
     {
       image->rgb.red[i]   = (byte)fgetc(file) << 8;
       image->rgb.green[i] = (byte)fgetc(file) << 8;
@@ -262,7 +265,7 @@ static boolean PCX_ReadColormap(FILE *file,struct PCX_Header *pcx,Image *image)
   }
   else
   {
-    for(i = 0; i < num_colors; i++)
+    for (i = 0; i < num_colors; i++)
     {
       image->rgb.red[i]   = pcx->palette[i][0] << 8;
       image->rgb.green[i] = pcx->palette[i][1] << 8;
@@ -332,6 +335,7 @@ Image *Read_PCX_to_Image(char *filename)
 #if PCX_DEBUG
   if (options.verbose)
   {
+    printf("\n");
     printf("%s is a %dx%d PC Paintbrush image\n", filename, width, height);
     printf("depth: %d\n", depth);
     printf("bits_per_pixel: %d\n", pcx.bits_per_pixel);
@@ -371,15 +375,14 @@ Image *Read_PCX_to_Image(char *filename)
   if (pcx_depth == 8)
   {
     /* determine number of used colormap entries for 8-bit PCX images */
-    image->rgb.used = 0;
-    for (i=0; i<PCX_MAXCOLORS; i++)
+    for (i = 0; i < PCX_MAXCOLORS; i++)
       if (image->rgb.color_used[i])
        image->rgb.used++;
   }
 
 #if PCX_DEBUG
   if (options.verbose)
-    printf("Read_PCX_to_Image: %d colors found\n", image->rgb.used);
+    printf("Read_PCX_to_Image: %d colors in colormap\n", image->rgb.used);
 #endif
 
   return image;