From 98ba078ea45dfd0e99e7f139fd374bba47b2b8ce Mon Sep 17 00:00:00 2001
From: "Egor.Ushakov" <egor.ushakov@jetbrains.com>
Date: Wed, 3 Feb 2016 13:49:16 +0300
Subject: [PATCH] fixed not symmetric plus signs inside folding anchors - floor
 to odd

---
 .../openapi/editor/impl/EditorGutterComponentImpl.java      | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/platform/platform-impl/src/com/intellij/openapi/editor/impl/EditorGutterComponentImpl.java b/platform/platform-impl/src/com/intellij/openapi/editor/impl/EditorGutterComponentImpl.java
index add97d852e6e..0715e9f77a79 100644
--- a/platform/platform-impl/src/com/intellij/openapi/editor/impl/EditorGutterComponentImpl.java
+++ b/platform/platform-impl/src/com/intellij/openapi/editor/impl/EditorGutterComponentImpl.java
@@ -1139,12 +1139,12 @@ class EditorGutterComponentImpl extends EditorGutterComponentEx implements Mouse
 
   private int getFoldingAnchorWidth() {
     // have to be odd number to be perfectly symmetric (as long as we have plus sign inside)
-    return roundToOdd(Math.min(JBUI.scale(4) * myEditor.getScale(), myEditor.getLineHeight() / 2 - JBUI.scale(2)) * 2);
+    return floorToOdd(Math.min(JBUI.scale(4) * myEditor.getScale(), myEditor.getLineHeight() / 2 - JBUI.scale(2)) * 2);
   }
 
-  private static int roundToOdd(float f) {
+  private static int floorToOdd(float f) {
     int res = (int)f;
-    return res % 2 == 0 ? res : res + 1;
+    return res % 2 == 0 && res > 0 ? res : res - 1;
   }
 
   public int getFoldingAreaOffset() {