[PATCH 2/4] Fix glyph y advance

[Matthias Dahl]

From: Matthias Dahl <matthias.dahl at binary-island.eu>
Date: Tue, 27 Dec 2016 17:27:53 +0100
Subject: [PATCH 2/4] Fix glyph y advance

The y advance needs to be negated as the final step, otherwise the
rounding will naturally be wrong.

This did show itself for example as shifted into each other glyphs in
Android Studio for text where a rotation was applied (e.g. scale on the
ui builder).
---
 src/share/native/sun/font/freetypeScaler.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/share/native/sun/font/freetypeScaler.c b/src/share/native/sun/font/freetypeScaler.c
index 09dbef7ab..296737eac 100644
--- a/src/share/native/sun/font/freetypeScaler.c
+++ b/src/share/native/sun/font/freetypeScaler.c
@@ -952,7 +952,7 @@ Java_sun_font_FreetypeFontScaler_getGlyphImageNative(
         } else if (!ftglyph->advance.x) {
             glyphInfo->advanceX = 0;
             glyphInfo->advanceY =
-                (float) ROUND(FT26Dot6ToFloat(-ftglyph->advance.y));
+                (float) -ROUND(FT26Dot6ToFloat(ftglyph->advance.y));
         } else {
             glyphInfo->advanceX = FT26Dot6ToFloat(ftglyph->advance.x);
             glyphInfo->advanceY = FT26Dot6ToFloat(-ftglyph->advance.y);
-- 
2.11.0