1 files changed, 0 insertions, 112 deletions
diff --git a/src/libdraw/ml-layerop.c b/src/libdraw/ml-layerop.c
deleted file mode 100644
index 800ffc85..00000000
--- a/src/libdraw/ml-layerop.c
+++ /dev/null
@@ -1,112 +0,0 @@
-#include <u.h>
-#include <libc.h>
-#include <draw.h>
-#include <memdraw.h>
-#include <memlayer.h>
-
-#define	RECUR(a,b,c,d)	_layerop(fn, i, Rect(a.x, b.y, c.x, d.y), clipr, etc, front->layer->rear);
-
-static void
-_layerop(
-	void (*fn)(Memimage*, Rectangle, Rectangle, void*, int),
-	Memimage *i,
-	Rectangle r,
-	Rectangle clipr,
-	void *etc,
-	Memimage *front)
-{
-	Rectangle fr;
-
-    Top:
-	if(front == i){
-		/* no one is in front of this part of window; use the screen */
-		fn(i->layer->screen->image, r, clipr, etc, 0);
-		return;
-	}
-	fr = front->layer->screenr;
-	if(rectXrect(r, fr) == 0){
-		/* r doesn't touch this window; continue on next rearmost */
-		/* assert(front && front->layer && front->layer->screen && front->layer->rear); */
-		front = front->layer->rear;
-		goto Top;
-	}
-	if(fr.max.y < r.max.y){
-		RECUR(r.min, fr.max, r.max, r.max);
-		r.max.y = fr.max.y;
-	}
-	if(r.min.y < fr.min.y){
-		RECUR(r.min, r.min, r.max, fr.min);
-		r.min.y = fr.min.y;
-	}
-	if(fr.max.x < r.max.x){
-		RECUR(fr.max, r.min, r.max, r.max);
-		r.max.x = fr.max.x;
-	}
-	if(r.min.x < fr.min.x){
-		RECUR(r.min, r.min, fr.min, r.max);
-		r.min.x = fr.min.x;
-	}
-	/* r is covered by front, so put in save area */
-	(*fn)(i->layer->save, r, clipr, etc, 1);
-}
-
-/*
- * Assumes incoming rectangle has already been clipped to i's logical r and clipr
- */
-void
-_memlayerop(
-	void (*fn)(Memimage*, Rectangle, Rectangle, void*, int),
-	Memimage *i,
-	Rectangle screenr,	/* clipped to window boundaries */
-	Rectangle clipr,		/* clipped also to clipping rectangles of hierarchy */
-	void *etc)
-{
-	Memlayer *l;
-	Rectangle r, scr;
-
-	l = i->layer;
-	if(!rectclip(&screenr, l->screenr))
-		return;
-	if(l->clear){
-		fn(l->screen->image, screenr, clipr, etc, 0);
-		return;
-	}
-	r = screenr;
-	scr = l->screen->image->clipr;
-
-	/*
-	 * Do the piece on the screen
-	 */
-	if(rectclip(&screenr, scr))
-		_layerop(fn, i, screenr, clipr, etc, l->screen->frontmost);
-	if(rectinrect(r, scr))
-		return;
-
-	/*
-	 * Do the piece off the screen
-	*/
-	if(!rectXrect(r, scr)){
-		/* completely offscreen; easy */
-		fn(l->save, r, clipr, etc, 1);
-		return;
-	}
-	if(r.min.y < scr.min.y){
-		/* above screen */
-		fn(l->save, Rect(r.min.x, r.min.y, r.max.x, scr.min.y), clipr, etc, 1);
-		r.min.y = scr.min.y;
-	}
-	if(r.max.y > scr.max.y){
-		/* below screen */
-		fn(l->save, Rect(r.min.x, scr.max.y, r.max.x, r.max.y), clipr, etc, 1);
-		r.max.y = scr.max.y;
-	}
-	if(r.min.x < scr.min.x){
-		/* left of screen */
-		fn(l->save, Rect(r.min.x, r.min.y, scr.min.x, r.max.y), clipr, etc, 1);
-		r.min.x = scr.min.x;
-	}
-	if(r.max.x > scr.max.x){
-		/* right of screen */
-		fn(l->save, Rect(scr.max.x, r.min.y, r.max.x, r.max.y), clipr, etc, 1);
-	}
-}