From: Ben Harris <bjh21@bjh21.me.uk>
Date: Sat, 16 Nov 2024 23:39:30 +0000 (+0000)
Subject: Switch hhints loop in emit_hints() so it counts forwards
X-Git-Tag: bedstead-3.246~25
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~bjharris/git?a=commitdiff_plain;h=f23453842839c82c7065879977bc33c166fdf69b;p=bedstead.git

Switch hhints loop in emit_hints() so it counts forwards

Now that it only touches the input array once, it's much simpler to do
the y-axis inversion there.
---

diff --git a/bedstead.c b/bedstead.c
index 6af8523..20f048c 100644
--- a/bedstead.c
+++ b/bedstead.c
@@ -3849,10 +3849,10 @@ emit_hints(int vstems[XSIZE], int ledges[XSIZE], int redges[XSIZE],
 
 	select_hints(YSIZE, hstems, tedges, bedges, hhints);
 	cur = DESCENT * YPIX; printed = false;
-	for (i = YSIZE - 1; i >= 0; i--) {
-		switch (hhints[i]) {
+	for (i = 0; i < YSIZE; i++) {
+		switch (hhints[YSIZE - 1 - i]) {
 		case hint_stem:
-			start = (YSIZE - i - 1) * YPIX_S;
+			start = i * YPIX_S;
 			size = YPIX_S;
 			break;
 		default: continue;