Initial revision
diff --git a/src/libdraw/ml-load.c b/src/libdraw/ml-load.c
new file mode 100644
index 0000000..d211564
--- /dev/null
+++ b/src/libdraw/ml-load.c
@@ -0,0 +1,55 @@
+#include <u.h>
+#include <libc.h>
+#include <draw.h>
+#include <memdraw.h>
+#include <memlayer.h>
+
+int
+memload(Memimage *dst, Rectangle r, uchar *data, int n, int iscompressed)
+{
+ int (*loadfn)(Memimage*, Rectangle, uchar*, int);
+ Memimage *tmp;
+ Memlayer *dl;
+ Rectangle lr;
+ int dx;
+
+ loadfn = loadmemimage;
+ if(iscompressed)
+ loadfn = cloadmemimage;
+
+ Top:
+ dl = dst->layer;
+ if(dl == nil)
+ return loadfn(dst, r, data, n);
+
+ /*
+ * Convert to screen coordinates.
+ */
+ lr = r;
+ r.min.x += dl->delta.x;
+ r.min.y += dl->delta.y;
+ r.max.x += dl->delta.x;
+ r.max.y += dl->delta.y;
+ dx = dl->delta.x&(7/dst->depth);
+ if(dl->clear && dx==0){
+ dst = dl->screen->image;
+ goto Top;
+ }
+
+ /*
+ * dst is an obscured layer or data is unaligned
+ */
+ if(dl->save && dx==0){
+ n = loadfn(dl->save, lr, data, n);
+ if(n > 0)
+ memlexpose(dst, r);
+ return n;
+ }
+ tmp = allocmemimage(lr, dst->chan);
+ if(tmp == nil)
+ return -1;
+ n = loadfn(tmp, lr, data, n);
+ memdraw(dst, lr, tmp, lr.min, nil, lr.min, S);
+ freememimage(tmp);
+ return n;
+}
