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legacy-imlib2
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and now thats all better. 

SVN revision: 1104
This commit is contained in:
Carsten Haitzler 1999-11-01 16:34:01 +00:00
parent a30357095d
commit 4dbe846918
1 changed files with 9 additions and 8 deletions
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17
blend.c
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@ -51,6 +51,7 @@ __imlib_BlendRGBAToData(DATA32 *src, int src_w, int src_h, DATA32 *dst,
h = dst_h - dy;
if ((w <= 0) || (h <= 0))
return;
printf("%i\n", dalpha);
if (cm)
{
switch(op)
@ -237,7 +238,7 @@ __imlib_BlendRGBAToRGBA(DATA32 *src, int src_jump, DATA32 *dst, int dst_jump,
tmp = (b - bb) * a;
nb = bb + ((tmp + (tmp >> 8) + 0x80) >> 8);
tmp = a + aa;
na = (tmp | ((tmp & 256) - ((tmp & 256) >> 8)));
na = (tmp | ((tmp & 256) - ((tmp & 256) >> 9)));
*p2 = (na << 24) | (nr << 16) |
(ng << 8) | nb;
}
@ -361,7 +362,7 @@ __imlib_AddBlendRGBAToRGBA(DATA32 *src, int src_jump, DATA32 *dst, int dst_jump,
tmp = bb + ((b * a) >> 8);
nb = (tmp | ((tmp & 256) - ((tmp & 256) >> 8)));
tmp = a + aa;
na = (tmp | ((tmp & 256) - ((tmp & 256) >> 8)));
na = (tmp | ((tmp & 256) - ((tmp & 256) >> 9)));
*p2 = (na << 24) | (nr << 16) |
(ng << 8) | nb;
}
@ -523,7 +524,7 @@ __imlib_SubBlendRGBAToRGBA(DATA32 *src, int src_jump, DATA32 *dst, int dst_jump,
tmp = bb - ((b * a) >> 8);
nb = tmp & (~(tmp >> 8));
tmp = a + aa;
na = (tmp | ((tmp & 256) - ((tmp & 256) >> 8)));
na = (tmp | ((tmp & 256) - ((tmp & 256) >> 9)));
*p2 = (na << 24) | (nr << 16) |
(ng << 8) | nb;
}
@ -686,7 +687,7 @@ __imlib_ReBlendRGBAToRGBA(DATA32 *src, int src_jump, DATA32 *dst, int dst_jump,
tmp = bb + (((b - 127) * a) >> 7);
nb = (tmp | ((tmp & 256) - ((tmp & 256) >> 8))) & (~(tmp >> 9));
tmp = a + aa;
na = (tmp | ((tmp & 256) - ((tmp & 256) >> 8)));
na = (tmp | ((tmp & 256) - ((tmp & 256) >> 9)));
*p2 = (na << 24) | (nr << 16) |
(ng << 8) | nb;
}
@ -873,7 +874,7 @@ __imlib_BlendRGBAToRGBACmod(DATA32 *src, int src_jump, DATA32 *dst, int dst_jump
tmp = (b - bb) * a;
nb = bb + ((tmp + (tmp >> 8) + 0x80) >> 8);
tmp = a + aa;
na = (tmp | ((tmp & 256) - ((tmp & 256) >> 8)));
na = (tmp | ((tmp & 256) - ((tmp & 256) >> 9)));
*p2 = (na << 24) | (nr << 16) |
(ng << 8) | nb;
}
@ -1021,7 +1022,7 @@ __imlib_AddBlendRGBAToRGBACmod(DATA32 *src, int src_jump, DATA32 *dst, int dst_j
tmp = bb + ((b * a) >> 8);
nb = (tmp | ((tmp & 256) - ((tmp & 256) >> 8)));
tmp = a + aa;
na = (tmp | ((tmp & 256) - ((tmp & 256) >> 8)));
na = (tmp | ((tmp & 256) - ((tmp & 256) >> 9)));
*p2 = (na << 24) | (nr << 16) |
(ng << 8) | nb;
}
@ -1191,7 +1192,7 @@ __imlib_SubBlendRGBAToRGBACmod(DATA32 *src, int src_jump, DATA32 *dst, int dst_j
tmp = bb - ((b * a) >> 8);
nb = tmp & (~(tmp >> 8));
tmp = a + aa;
na = (tmp | ((tmp & 256) - ((tmp & 256) >> 8)));
na = (tmp | ((tmp & 256) - ((tmp & 256) >> 9)));
*p2 = (na << 24) | (nr << 16) |
(ng << 8) | nb;
}
@ -1362,7 +1363,7 @@ __imlib_ReBlendRGBAToRGBACmod(DATA32 *src, int src_jump, DATA32 *dst, int dst_ju
tmp = bb + (((b - 127) * a) >> 7);
nb = (tmp | ((tmp & 256) - ((tmp & 256) >> 8))) & (~(tmp >> 9));
tmp = a + aa;
na = (tmp | ((tmp & 256) - ((tmp & 256) >> 8)));
na = (tmp | ((tmp & 256) - ((tmp & 256) >> 9)));
*p2 = (na << 24) | (nr << 16) |
(ng << 8) | nb;
}