From 1434306948e908e547f7ffd362f3826b12b691b3 Mon Sep 17 00:00:00 2001
From: Gavin Nishizawa <gavin@terrastruct.com>
Date: Wed, 21 Dec 2022 12:54:02 -0800
Subject: [PATCH] fix connection mask clipping along top and left edges of
 graph

---
 d2renderers/d2svg/d2svg.go | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/d2renderers/d2svg/d2svg.go b/d2renderers/d2svg/d2svg.go
index 41a0c63a6..f2449bc9b 100644
--- a/d2renderers/d2svg/d2svg.go
+++ b/d2renderers/d2svg/d2svg.go
@@ -1035,12 +1035,11 @@ func Render(diagram *d2target.Diagram, pad int) ([]byte, error) {
 
 	// Note: we always want this since we reference it on connections even if there end up being no masked labels
 	fmt.Fprint(buf, strings.Join([]string{
-		fmt.Sprintf(`<mask id="%s" maskUnits="userSpaceOnUse" x="0" y="0" width="%d" height="%d">`,
-			labelMaskID, w, h,
+		fmt.Sprintf(`<mask id="%s" maskUnits="userSpaceOnUse" x="%d" y="%d" width="%d" height="%d">`,
+			labelMaskID, -pad, -pad, w, h,
 		),
-		fmt.Sprintf(`<rect x="0" y="0" width="%d" height="%d" fill="white"></rect>`,
-			w,
-			h,
+		fmt.Sprintf(`<rect x="%d" y="%d" width="%d" height="%d" fill="white"></rect>`,
+			-pad, -pad, w, h,
 		),
 		strings.Join(labelMasks, "\n"),
 		`</mask>`,