From 496b38bf97549dda2cd2fb27f461bc1e233d83f3 Mon Sep 17 00:00:00 2001
From: dmullis <dmullis>
Date: Tue, 20 Feb 2024 13:05:11 -0800
Subject: [PATCH] Fix blampe issue #25: "Rendering in close corners"

For result, see examples/small-grids.svg

https://github.com/blampe/goat/issues/25
---
 examples/complicated.svg | 1 -
 examples/small-grids.svg | 4 ----
 parse-graphics.go        | 6 ++++--
 3 files changed, 4 insertions(+), 7 deletions(-)

diff --git a/examples/complicated.svg b/examples/complicated.svg
index 1fe43b0..7d33bc2 100644
--- a/examples/complicated.svg
+++ b/examples/complicated.svg
@@ -141,7 +141,6 @@ path {
 <path d='M 600,256 L 600,272'></path>
 <path d='M 632,336 L 632,352'></path>
 <path d='M 664,144 L 664,176'></path>
-<path d='M 664,176 L 664,192'></path>
 <path d='M 664,288 L 664,304'></path>
 <path d='M 688,288 L 688,320'></path>
 <path d='M 704,336 L 704,352'></path>
diff --git a/examples/small-grids.svg b/examples/small-grids.svg
index 2518b1d..62bbb6a 100644
--- a/examples/small-grids.svg
+++ b/examples/small-grids.svg
@@ -124,16 +124,12 @@ path {
 <path d='M 648,32 L 648,64'></path>
 <path d='M 648,64 L 648,96'></path>
 <path d='M 680,0 L 680,32'></path>
-<path d='M 680,32 L 680,48'></path>
 <path d='M 680,48 L 680,80'></path>
 <path d='M 712,0 L 712,32'></path>
-<path d='M 712,32 L 712,48'></path>
 <path d='M 712,48 L 712,80'></path>
 <path d='M 728,0 L 728,32'></path>
-<path d='M 728,32 L 728,48'></path>
 <path d='M 728,48 L 728,80'></path>
 <path d='M 760,0 L 760,32'></path>
-<path d='M 760,32 L 760,48'></path>
 <path d='M 760,48 L 760,80'></path>
 <path d='M 12,40 L 20,24'></path>
 <path d='M 12,72 L 20,56'></path>
diff --git a/parse-graphics.go b/parse-graphics.go
index 7969f94..568676b 100644
--- a/parse-graphics.go
+++ b/parse-graphics.go
@@ -415,10 +415,12 @@ func (c *Canvas) getLines(
 			currentLine = snip(currentLine)
 		}
 
-		// Don't connect o to o, + to o, etc. This character is a new pass-through
+		// Don't connect o to o, + to o, "'" to ".". This character is a new pass-through
 		// so we still want to respect shouldKeep; we just don't want to draw
 		// the existing line through this cell.
-		if justPassedThrough && (isDot || isTriangle) {
+		//
+		//  XX The "'" to "." issue arises with o==S, only: split out as such? 
+		if justPassedThrough && (isDot || isTriangle || r == '.') {
 			currentLine = snip(currentLine)
 		}