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added big-endian support

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Eric Smith
2003-08-18 09:59:41 +00:00
parent 9f01e74221
commit cdc73fc944
1 changed files with 13 additions and 1 deletions
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14
bitblt_table_gen.c
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@@ -2,7 +2,7 @@
* tumble: build a PDF file from image files
*
* bitblt table generator
* $Id: bitblt_table_gen.c,v 1.7 2003/03/13 00:57:05 eric Exp $
* $Id: bitblt_table_gen.c,v 1.8 2003/08/18 01:59:41 eric Exp $
* Copyright 2003 Eric Smith <eric@brouhaha.com>
*
* This program is free software; you can redistribute it and/or modify
@@ -71,6 +71,16 @@ int count_run (int byte, int start_bit, int desired_val)
int count = 0;
int i;
#ifdef WORDS_BIGENDIAN
for (i = 7 - start_bit; i >= 0; i--)
{
int bit = (byte >> i) & 1;
if (bit == desired_val)
count++;
else
break;
}
#else
for (i = start_bit; i < 8; i++)
{
int bit = (byte >> i) & 1;
@@ -79,6 +89,8 @@ int count_run (int byte, int start_bit, int desired_val)
else
break;
}
#endif
return (count);
}