6703377: freetype: glyph vector outline is not translated correctly

Reviewed-by: bae, prr

jdk/src/share/native/sun/font/freetypeScaler.c

@@ -985,7 +985,7 @@ static FT_Outline* getFTOutline(JNIEnv* env, jobject font2D,
 
     FT_Outline_Translate(&ftglyph->outline,
                          FloatToF26Dot6(xpos),
-                         FloatToF26Dot6(ypos));
+                         -FloatToF26Dot6(ypos));
 
     return &ftglyph->outline;
 }

jdk/test/java/awt/font/Rotate/TranslatedOutlineTest.java

@@ -0,0 +1,69 @@
+/*
+ * Copyright 2008 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/*
+ * @test TranslatedOutlineTest
+ * @bug 6703377
+ * @summary This test verifies that outline is translated in a correct direction
+ * @run main TranslatedOutlineTest
+ */
+
+import java.awt.Color;
+import java.awt.Graphics2D;
+import java.awt.RenderingHints;
+import java.awt.font.FontRenderContext;
+import java.awt.font.GlyphVector;
+import java.awt.image.BufferedImage;
+
+public class TranslatedOutlineTest {
+   public static void main(String a[]) {
+        /* prepare blank image */
+        BufferedImage bi = new BufferedImage(50, 50, BufferedImage.TYPE_INT_RGB);
+        Graphics2D g2 = (Graphics2D) bi.getGraphics();
+        g2.setColor(Color.WHITE);
+        g2.fillRect(0, 0, 50, 50);
+
+        /* draw outline somethere in the middle of the image */
+        FontRenderContext frc = new FontRenderContext(null, false, false);
+        g2.setColor(Color.RED);
+        g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF);
+        GlyphVector gv = g2.getFont().createGlyphVector(frc, "test");
+        g2.fill(gv.getOutline(20, 20));
+
+        /* Check if anything was drawn.
+         * If y direction is not correct then image is still blank and
+         * test will fail.
+         */
+        int bgcolor = Color.WHITE.getRGB();
+        for (int i=0; i<bi.getWidth(); i++) {
+            for(int j=0; j<bi.getHeight(); j++) {
+               if (bi.getRGB(i, j) != bgcolor) {
+                   System.out.println("Test passed.");
+                   return;
+               }
+            }
+        }
+        throw new RuntimeException("Outline was not detected");
+    }
+}
+