move the mmb menu over to rmb. allow for drawing over the current layer.

1 files changed, 16 insertions, 1 deletions

diff --git a/canvas.c b/canvas.c
index d2632bb..36a0aec 100644
--- a/canvas.c
+++ b/canvas.c
@@ -15,7 +15,7 @@ newcanvas(char *name, Point2 p, Rectangle r, ulong chan)
 	c->bx = Vec2(1,0);
 	c->by = Vec2(0,1);
 	c->name = strdup(name);
-	c->image = eallocimage(display, r, chan, 0, alphachan(chan)? DTransparent: DNofill);
+	c->image = eallocimage(display, r, chan, 0, alphachan(chan)? DTransparent: DWhite);
 	memset(&c->layers, 0, sizeof(Layer));
 	c->layers.next = &c->layers;
 	c->layers.prev = &c->layers;
@@ -34,3 +34,18 @@ rmcanvas(Canvas *c)
 	free(c->name);
 	free(c);
 }
+
+Layer*
+addlayer(Canvas *c, char *name)
+{
+	Layer *l;
+
+	l = newlayer(name, c->image->r, c->image->chan);
+	l->prev = c->layers.prev;
+	l->next = &c->layers;
+	c->layers.prev->next = l;
+	c->layers.prev = l;
+	if(c->curlayer == nil)
+		c->curlayer = l;
+	return l;
+}