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| | | static void LM_FUNC(rgb_group *s,rgb_group *l,rgb_group *d, | rgb_group *sa,rgb_group *la,rgb_group *da, | int len,double alpha) | { | #ifndef L_LOGIC | if (alpha==0.0) | { | #ifdef LAYER_DUAL | MEMCPY(d,s,sizeof(rgb_group)*len); | MEMCPY(da,sa,sizeof(rgb_group)*len); | #endif | return; | } | else if (alpha==1.0) | { | if (!la) | while (len--) | { | d->r=L_TRUNC(L_OPER(s->r,l->r)); | d->g=L_TRUNC(L_OPER(s->g,l->g)); | d->b=L_TRUNC(L_OPER(s->b,l->b)); | *da=white; | l++; s++; sa++; da++; d++; | } | else | while (len--) | { | if (la->r==COLORMAX && la->g==COLORMAX && la->b==COLORMAX) | { | d->r=L_TRUNC(L_OPER(s->r,l->r)); | d->g=L_TRUNC(L_OPER(s->g,l->g)); | d->b=L_TRUNC(L_OPER(s->b,l->b)); | #ifdef L_USE_SA | *da=*sa; | #else | *da=white; | #endif | } | else if (la->r==0 && la->g==0 && la->b==0) | { | *d=*s; | *da=*sa; | } | else | { | d->r=L_TRUNC(L_OPER(s->r,l->r)); | ALPHA_ADD(s,d,d,sa,la,da,r); | d->g=L_TRUNC(L_OPER(s->g,l->g)); | ALPHA_ADD(s,d,d,sa,la,da,g); | d->b=L_TRUNC(L_OPER(s->b,l->b)); | ALPHA_ADD(s,d,d,sa,la,da,b); | #ifdef L_USE_SA | *da=*sa; | #endif | } | l++; s++; la++; sa++; da++; d++; | } | } | else | { | if (!la) | while (len--) | { | d->r=L_TRUNC(L_OPER(s->r,l->r)); | ALPHA_ADD_V_NOLA(s,d,d,sa,da,alpha,r); | d->g=L_TRUNC(L_OPER(s->g,l->g)); | ALPHA_ADD_V_NOLA(s,d,d,sa,da,alpha,g); | d->b=L_TRUNC(L_OPER(s->b,l->b)); | ALPHA_ADD_V_NOLA(s,d,d,sa,da,alpha,b); | #ifdef L_USE_SA | *da=*sa; | #endif | l++; s++; sa++; da++; d++; | } | else | while (len--) | { | d->r=L_TRUNC(L_OPER(s->r,l->r)); | ALPHA_ADD_V(s,d,d,sa,la,da,alpha,r); | d->g=L_TRUNC(L_OPER(s->g,l->g)); | ALPHA_ADD_V(s,d,d,sa,la,da,alpha,g); | d->b=L_TRUNC(L_OPER(s->b,l->b)); | ALPHA_ADD_V(s,d,d,sa,la,da,alpha,b); | #ifdef L_USE_SA | *da=*sa; | #endif | l++; s++; la++; sa++; da++; d++; | } | } | #else /* L_LOGIC */ | if (alpha==0.0) | { | smear_color(d,L_TRANS,len); | smear_color(da,L_TRANS,len); | return; | } | else | { | if (!la) | while (len--) | { | *da=*d=L_LOGIC(L_OPER(s->r,l->r), | L_OPER(s->g,l->g), | L_OPER(s->b,l->b)); | l++; s++; sa++; da++; d++; | } | else | while (len--) | { | if (la->r==0 && la->g==0 && la->b==0) | *d=*da=L_TRANS; | else | *da=*d=L_LOGIC(L_OPER(s->r,l->r), | L_OPER(s->g,l->g), | L_OPER(s->b,l->b)); | l++; s++; la++; sa++; da++; d++; | } | } | #endif /* L_LOGIC */ | } | | | |
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