shithub: sce

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drw: shadows now argb images reusing drawalpha

--- a/drw.c

+++ b/drw.c

@@ -202,41 +202,6 @@

 	}

 }

-static void

-drawshadow(int x, int y, Pic *pic)

-{

-	int n, Δp, Δq;

-	u32int v, *p, *e, *q;

-	Rectangle r;

-

-	if(pic->p == nil)

-		sysfatal("drawshawdow: empty pic");

-	q = pic->p;

-	r = Rect(x + pic->dx, y + pic->dy, pic->w, pic->h);

-	if(boundpic(&r, &q) < 0)

-		return;

-	Δq = pic->w - r.max.x / scale;

-	p = fb + r.min.y * fbws + r.min.x;

-	Δp = fbws - r.max.x;

-	while(r.max.y-- > 0){

-		e = p + r.max.x;

-		while(p < e){

-			v = *q++;

-			if(v & 0xff << 24){

-				v = p[0];

-				v = (v & 0xff0000) * 0x7f / 0xff & 0xff0000

-				| (v & 0xff00) * 0x7f / 0xff & 0xff00

-				| (v & 0xff) * 0x7f / 0xff & 0xff;

-				for(n=0; n<scale; n++)

-					*p++ = v;

-			}else

-				p += scale;

-		}

-		q += Δq;

-		p += Δp;

-	}

-}

-

 void

 compose(int x, int y, u32int c)

 {

@@ -361,7 +326,7 @@

 				mo = ml->mo;

 				if(mo->o->f & Fair)

 					break;

-				drawshadow(mo->px, mo->py, frm(mo, PTshadow));

+				drawpicalpha(mo->px, mo->py, frm(mo, PTshadow));

 			}

 			for(ml=m->ml.l; ml!=&m->ml; ml=ml->l){

 				mo = ml->mo;

@@ -392,7 +357,7 @@

 				mo = ml->mo;

 				if((mo->o->f & Fair) == 0)

 					continue;

-				drawshadow(mo->px, mo->py, frm(mo, PTshadow));

+				drawpicalpha(mo->px, mo->py, frm(mo, PTshadow));

 			}

 			for(ml=m->ml.l; ml!=&m->ml; ml=ml->l){

 				mo = ml->mo;