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authorPeter Breitenlohner <peb@mppmu.mpg.de>2010-05-07 08:54:56 +0000
committerPeter Breitenlohner <peb@mppmu.mpg.de>2010-05-07 08:54:56 +0000
commit875e77707294c9e48e549cfeed457f13ef2f88c8 (patch)
treede88fd6d9fc6e04393e5572c8df8aa48c0956e08 /Build/source/texk/dvipsk/unpack.c
parentecc7e87ccffc19c4550f5b2452688a8fb3006aa8 (diff)
dvipsk cleanup: static funcs and trailing whitespace
git-svn-id: svn://tug.org/texlive/trunk@18142 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/dvipsk/unpack.c')
-rw-r--r--Build/source/texk/dvipsk/unpack.c180
1 files changed, 90 insertions, 90 deletions
diff --git a/Build/source/texk/dvipsk/unpack.c b/Build/source/texk/dvipsk/unpack.c
index 865e9a13a61..493d6d7cb99 100644
--- a/Build/source/texk/dvipsk/unpack.c
+++ b/Build/source/texk/dvipsk/unpack.c
@@ -1,5 +1,5 @@
/*
- * Unpacks the raster data from the packed buffer. This code was
+ * Unpacks the raster data from the packed buffer. This code was
* translated from pktopx.web using an automatic translator, then
* converted for this purpose. This little routine can be very useful
* in other drivers as well.
@@ -14,10 +14,10 @@
/*
* Some statics for use here.
*/
-static halfword bitweight;
+static halfword bitweight;
static halfword dynf;
static halfword gpower[17] = { 0 , 1 , 3 , 7 , 15 , 31 , 63 , 127 ,
- 255 , 511 , 1023 , 2047 , 4095 , 8191 , 16383 , 32767 , 65535 };
+ 255 , 511 , 1023 , 2047 , 4095 , 8191 , 16383 , 32767 , 65535 };
static long repeatcount;
static quarterword *p;
@@ -26,56 +26,56 @@ static quarterword *p;
* packed data structure.
*/
-shalfword
+static shalfword
getnyb(void)
{
- if ( bitweight == 0 )
- { bitweight = 16;
+ if ( bitweight == 0 )
+ { bitweight = 16;
return(*p++ & 15);
} else {
bitweight = 0;
return(*p >> 4);
}
-}
+}
-Boolean
+static Boolean
getbit(void)
{
- bitweight >>= 1;
- if ( bitweight == 0 )
+ bitweight >>= 1;
+ if ( bitweight == 0 )
{ p++;
bitweight = 128;
- }
+ }
return(*p & bitweight);
-}
+}
-long
+static long
pkpackednum(void) {
register halfword i;
- register long j;
- i = getnyb ();
+ register long j;
+ i = getnyb ();
if ( i == 0 ) {
- do { j = getnyb ();
- i++;
- } while ( j == 0 );
+ do { j = getnyb ();
+ i++;
+ } while ( j == 0 );
while ( i != 0 ) {
- j = j * 16 + ((long) getnyb ());
- i--;
- }
- return ( j - 15 + ( 13 - dynf ) * 16 + dynf );
+ j = j * 16 + ((long) getnyb ());
+ i--;
+ }
+ return ( j - 15 + ( 13 - dynf ) * 16 + dynf );
}
- else if ( i <= dynf ) return ( i );
- else if ( i < 14 ) return ( ( i - dynf - 1 )*16 + getnyb() + dynf + 1 );
+ else if ( i <= dynf ) return ( i );
+ else if ( i < 14 ) return ( ( i - dynf - 1 )*16 + getnyb() + dynf + 1 );
else {
if (repeatcount != 0)
error("! recursive repeat count in pk file");
repeatcount = 1;
- if ( i == 14 ) repeatcount = pkpackednum ();
+ if ( i == 14 ) repeatcount = pkpackednum ();
return ( pkpackednum() );
- }
-}
+ }
+}
-void
+static void
flip(register char *s, register long howmany)
{
register char t;
@@ -95,86 +95,86 @@ static halfword bftest = 1;
long
unpack(quarterword *pack, halfword *raster,
halfword cwidth, halfword cheight, halfword cmd)
-{
- register integer i, j;
- shalfword wordwidth;
+{
+ register integer i, j;
+ shalfword wordwidth;
register halfword word, wordweight;
- shalfword rowsleft;
- Boolean turnon;
- shalfword hbit, ww;
- long count;
+ shalfword rowsleft;
+ Boolean turnon;
+ shalfword hbit, ww;
+ long count;
halfword *oraster;
oraster = raster;
p = pack;
- dynf = cmd / 16;
- turnon = cmd & 8;
+ dynf = cmd / 16;
+ turnon = cmd & 8;
wordwidth = (cwidth + 15)/16;
- if ( dynf == 14 )
- { bitweight = 256;
- for ( i = 1; i <= cheight; i ++ )
- { word = 0;
- wordweight = 32768;
- for ( j = 1; j <= cwidth; j ++ )
- { if ( getbit () ) word += wordweight;
+ if ( dynf == 14 )
+ { bitweight = 256;
+ for ( i = 1; i <= cheight; i ++ )
+ { word = 0;
+ wordweight = 32768;
+ for ( j = 1; j <= cwidth; j ++ )
+ { if ( getbit () ) word += wordweight;
wordweight >>= 1;
- if ( wordweight == 0 )
- { *raster++ = word;
+ if ( wordweight == 0 )
+ { *raster++ = word;
word = 0;
- wordweight = 32768;
- }
- }
- if ( wordweight != 32768 )
- *raster++ = word;
- }
+ wordweight = 32768;
+ }
+ }
+ if ( wordweight != 32768 )
+ *raster++ = word;
+ }
} else {
- rowsleft = cheight;
- hbit = cwidth;
- repeatcount = 0;
- ww = 16;
- word = 0;
+ rowsleft = cheight;
+ hbit = cwidth;
+ repeatcount = 0;
+ ww = 16;
+ word = 0;
bitweight = 16;
- while ( rowsleft > 0 )
- { count = pkpackednum();
- while ( count != 0 )
- { if ( ( count <= ww ) && ( count < hbit ) )
- { if ( turnon ) word += gpower [ ww ] - gpower
- [ ww - count ];
- hbit -= count;
- ww -= count;
- count = 0;
- }
- else if ( ( count >= hbit ) && ( hbit <= ww ) )
+ while ( rowsleft > 0 )
+ { count = pkpackednum();
+ while ( count != 0 )
+ { if ( ( count <= ww ) && ( count < hbit ) )
+ { if ( turnon ) word += gpower [ ww ] - gpower
+ [ ww - count ];
+ hbit -= count;
+ ww -= count;
+ count = 0;
+ }
+ else if ( ( count >= hbit ) && ( hbit <= ww ) )
{ if ( turnon )
- word += gpower[ww] - gpower[ww-hbit];
- *raster++ = word;
+ word += gpower[ww] - gpower[ww-hbit];
+ *raster++ = word;
for ( i = 1; i <= repeatcount; i ++ ) {
for ( j = 1; j <= wordwidth; j ++ ) {
*raster = *(raster - wordwidth);
raster++;
}
}
- rowsleft -= repeatcount + 1;
- repeatcount = 0;
- word = 0;
- ww = 16;
- count -= hbit;
- hbit = cwidth;
- }
- else
- { if ( turnon ) word += gpower [ ww ];
+ rowsleft -= repeatcount + 1;
+ repeatcount = 0;
+ word = 0;
+ ww = 16;
+ count -= hbit;
+ hbit = cwidth;
+ }
+ else
+ { if ( turnon ) word += gpower [ ww ];
*raster++ = word;
- word = 0;
- count -= ww;
- hbit -= ww;
- ww = 16;
- }
- }
- turnon = ! turnon;
- }
- if ( ( rowsleft != 0 ) || ( (unsigned)hbit != cwidth ) )
- error ( "! error while unpacking; more bits than required" );
- }
+ word = 0;
+ count -= ww;
+ hbit -= ww;
+ ww = 16;
+ }
+ }
+ turnon = ! turnon;
+ }
+ if ( ( rowsleft != 0 ) || ( (unsigned)hbit != cwidth ) )
+ error ( "! error while unpacking; more bits than required" );
+ }
if (*(char *)&bftest) /* is the hardware LittleEndian? */
flip((char *)oraster, ((cwidth + 15) >> 4) * (long)cheight);
return(p-pack);