6925760: Scaled graphics can cause overlapped LCD mode strings on Windows for pixel size > 48
Reviewed-by: igor, jgodinez
diff --git a/test/java/awt/FontClass/LCDScale.java b/test/java/awt/FontClass/LCDScale.java
new file mode 100644
index 0000000..5f8d1f6
--- /dev/null
+++ b/test/java/awt/FontClass/LCDScale.java
@@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 2010, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ *
+ * @bug 6925760
+ * @summary Scaled graphics causes overlapped LCD glyphs on Windows
+ */
+
+import java.awt.*;
+import java.awt.font.*;
+import java.awt.geom.*;
+
+public class LCDScale extends Component {
+
+ public static void main(String args[]) {
+ Frame f = new Frame("TL TEST");
+ LCDScale td = new LCDScale();
+ f.add("Center", td);
+ f.pack(); f.setVisible(true);
+ }
+
+
+ public LCDScale() {
+ super();
+ }
+
+ public Dimension getPreferredSize() {
+ return new Dimension(500,500);
+ }
+
+ public void paint(Graphics g) {
+ Graphics2D g2d = (Graphics2D)g;
+ g2d.setRenderingHint(
+ RenderingHints.KEY_TEXT_ANTIALIASING,
+ RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB);
+
+ Font f = new Font("Dialog", Font.PLAIN, 40);
+ g.setFont(f);
+ FontRenderContext frc = g2d.getFontRenderContext();
+ GlyphVector gv = f.createGlyphVector(frc, "Help");
+ g2d.drawGlyphVector(gv, 10f, 50f);
+ Rectangle2D bds1 = gv.getLogicalBounds();
+
+ f = new Font("Arial", Font.PLAIN, 25);
+ g.setFont(f);
+ double s = 2.0;
+ AffineTransform tx = AffineTransform.getScaleInstance(s,s);
+ g2d.transform(tx);
+ frc = g2d.getFontRenderContext();
+ gv = f.createGlyphVector(frc, "Help");
+ g2d.drawGlyphVector(gv, 10f, 100f);
+ Rectangle2D bds2 = gv.getLogicalBounds();
+
+ System.out.println(bds1);
+ System.out.println(bds2);
+ if (bds2.getWidth()*s < bds1.getWidth()) {
+ throw new RuntimeException("Bounds too small");
+ }
+ }
+}
+
+