JehanneOS/drawterm
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cleanups spotted by irix cc

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This commit is contained in:
Russ Cox
2005-12-29 23:15:58 +00:00
parent 3c84c725ef
commit 21b830b1ac
8 changed files with 22 additions and 42 deletions
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16
libmemdraw/draw.c
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@ -308,9 +308,6 @@ drawclip(Memimage *dst, Rectangle *r, Memimage *src, Point *p0, Memimage *mask,
* Conversion tables.
*/
static uchar replbit[1+8][256]; /* replbit[x][y] is the replication of the x-bit quantity y to 8-bit depth */
static uchar conv18[256][8]; /* conv18[x][y] is the yth pixel in the depth-1 pixel x */
static uchar conv28[256][4]; /* ... */
static uchar conv48[256][2];
/*
* bitmap of how to replicate n bits to fill 8, for 1 ≤ n ≤ 8.
@ -344,7 +341,7 @@ static int replmul[1+8] = {
static void
mktables(void)
{
int i, j, mask, sh, small;
int i, j, small;
if(tablesbuilt)
return;
@ -361,17 +358,6 @@ mktables(void)
}
}
/* bit unpacking up to 8 bits, only powers of 2 */
for(i=0; i<256; i++){
for(j=0, sh=7, mask=1; j<8; j++, sh--)
conv18[i][j] = replbit[1][(i>>sh)&mask];
for(j=0, sh=6, mask=3; j<4; j++, sh-=2)
conv28[i][j] = replbit[2][(i>>sh)&mask];
for(j=0, sh=4, mask=15; j<2; j++, sh-=4)
conv48[i][j] = replbit[4][(i>>sh)&mask];
}
}
static uchar ones = 0xff;