From d07fa1d2c8088f87463182a05cab9bee29844e70 Mon Sep 17 00:00:00 2001
From: Chlumsky <viktor.chlumsky@gmail.com>
Date: Sun, 22 Aug 2021 15:16:22 +0200
Subject: [PATCH] Exposed buildShapeFromSvgPath

---
 ext/import-svg.cpp | 6 +++---
 ext/import-svg.h   | 3 +++
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/ext/import-svg.cpp b/ext/import-svg.cpp
index ce686b8..c92384f 100644
--- a/ext/import-svg.cpp
+++ b/ext/import-svg.cpp
@@ -129,7 +129,7 @@ static void addArcApproximate(Contour &contour, Point2 startPoint, Point2 endPoi
     }
 }
 
-static bool buildFromPath(Shape &shape, const char *pathDef, double size) {
+bool buildShapeFromSvgPath(Shape &shape, const char *pathDef, double endpointSnapRange) {
     char nodeType = '\0';
     char prevNodeType = '\0';
     Point2 prevNode(0, 0);
@@ -248,7 +248,7 @@ static bool buildFromPath(Shape &shape, const char *pathDef, double size) {
     NEXT_CONTOUR:
         // Fix contour if it isn't properly closed
         if (!contour.edges.empty() && prevNode != startPoint) {
-            if ((contour.edges.back()->point(1)-contour.edges[0]->point(0)).length() < ENDPOINT_SNAP_RANGE_PROPORTION*size)
+            if ((contour.edges.back()->point(1)-contour.edges[0]->point(0)).length() < endpointSnapRange)
                 contour.edges.back()->moveEndPoint(contour.edges[0]->point(0));
             else
                 contour.addEdge(new LinearSegment(prevNode, startPoint));
@@ -304,7 +304,7 @@ bool loadSvgShape(Shape &output, const char *filename, int pathIndex, Vector2 *d
     }
     if (dimensions)
         *dimensions = dims;
-    return buildFromPath(output, pd, dims.length());
+    return buildShapeFromSvgPath(output, pd, ENDPOINT_SNAP_RANGE_PROPORTION*dims.length());
 }
 
 }
diff --git a/ext/import-svg.h b/ext/import-svg.h
index cd69d2f..88e7ebd 100644
--- a/ext/import-svg.h
+++ b/ext/import-svg.h
@@ -6,6 +6,9 @@
 
 namespace msdfgen {
 
+/// Builds a shape from an SVG path string
+bool buildShapeFromSvgPath(Shape &shape, const char *pathDef, double endpointSnapRange = 0);
+
 /// Reads the first path found in the specified SVG file and stores it as a Shape in output.
 bool loadSvgShape(Shape &output, const char *filename, int pathIndex = 0, Vector2 *dimensions = NULL);