jdk/test/java/awt/FontClass/HelvLtOblTest.java
changeset 28996 4d9228fac01a
child 46151 5fa789776f7d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/awt/FontClass/HelvLtOblTest.java	Sun Jan 25 15:53:46 2015 -0800
@@ -0,0 +1,166 @@
+/*
+ * Copyright (c) 2015, 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.
+ */
+
+/*
+ * @test
+ * @bug 8064833
+ * @summary Test correct font is obtained via famil+style
+ * @run main HelvLtOblTest
+ */
+
+import javax.swing.JComponent;
+import javax.swing.JFrame;
+import javax.swing.SwingUtilities;
+import java.awt.Color;
+import java.awt.Dimension;
+import java.awt.Font;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.GraphicsEnvironment;
+import java.awt.RenderingHints;
+import java.awt.font.FontRenderContext;
+import java.awt.font.GlyphVector;
+import java.awt.image.BufferedImage;
+
+public class HelvLtOblTest extends JComponent {
+
+    static Font helvFont = null;
+
+    static int[] codes = { 0x23, 0x4a, 0x48, 0x3, 0x4a, 0x55, 0x42, 0x4d,
+                    0x4a, 0x44, 0x3,
+                    0x53, 0x46, 0x45, 0x3, 0x55, 0x46, 0x59, 0x55, };
+
+    static String str = "Big italic red text";
+
+    public static void main(String[] args) throws Exception {
+        String os = System.getProperty("os.name");
+        if (!os.startsWith("Mac")) {
+             return;
+        }
+        GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
+        Font[] fonts = ge.getAllFonts();
+        for (int i=0; i<fonts.length; i++) {
+            if (fonts[i].getPSName().equals("Helvetica-LightOblique")) {
+                 helvFont = fonts[i];
+                 break;
+            }
+        }
+        if (helvFont == null) {
+            return;
+        }
+        final HelvLtOblTest test = new HelvLtOblTest();
+        SwingUtilities.invokeLater(() -> {
+            JFrame f = new JFrame();
+            f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+            f.add("Center", test);
+            f.pack();
+            f.setVisible(true);
+        });
+        test.compareImages();
+    }
+
+    public Dimension getPreferredSize() {
+      return new Dimension(400,400);
+    }
+
+    public void paintComponent(Graphics g) {
+         super.paintComponent(g);
+         Graphics2D g2 = (Graphics2D)g;
+         FontRenderContext frc = new FontRenderContext(null, true, true);
+         Font f = helvFont.deriveFont(Font.PLAIN, 40);
+         System.out.println("font = " +f.getFontName());
+         GlyphVector gv = f.createGlyphVector(frc, codes);
+         g.setFont(f);
+         g.setColor(Color.white);
+         g.fillRect(0,0,400,400);
+         g.setColor(Color.black);
+         g2.drawGlyphVector(gv, 5,200);
+         g2.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
+                             RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
+         g2.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS,
+                             RenderingHints.VALUE_FRACTIONALMETRICS_ON);
+         g2.drawString(str, 5, 250);
+    }
+
+    void compareImages() {
+         BufferedImage bi0 = drawText(false);
+         BufferedImage bi1 = drawText(true);
+         compare(bi0, bi1);
+    }
+
+    BufferedImage drawText(boolean doGV) {
+        int w = 400;
+        int h = 50;
+        BufferedImage bi = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
+        Graphics2D g = bi.createGraphics();
+        g.setColor(Color.white);
+        g.fillRect(0,0,w,h);
+        g.setColor(Color.black);
+        Font f = helvFont.deriveFont(Font.PLAIN, 40);
+        g.setFont(f);
+        int x = 5;
+        int y = h - 10;
+        if (doGV) {
+            FontRenderContext frc = new FontRenderContext(null, true, true);
+            GlyphVector gv = f.createGlyphVector(frc, codes);
+            g.drawGlyphVector(gv, 5, y);
+       } else {
+           g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
+                              RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
+           g.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS,
+                              RenderingHints.VALUE_FRACTIONALMETRICS_ON);
+           g.drawString(str, x, y);
+       }
+       return bi;
+    }
+
+    // Need to allow for minimal rounding error, so allow each component
+    // to differ by 1.
+    void compare(BufferedImage bi0, BufferedImage bi1) {
+        int wid = bi0.getWidth();
+        int hgt = bi0.getHeight();
+        for (int x=0; x<wid; x++) {
+            for (int y=0; y<hgt; y++) {
+                int rgb0 = bi0.getRGB(x, y);
+                int rgb1 = bi1.getRGB(x, y);
+                if (rgb0 == rgb1) continue;
+                int r0 = (rgb0 & 0xff0000) >> 16;
+                int r1 = (rgb1 & 0xff0000) >> 16;
+                int rdiff = r0-r1; if (rdiff<0) rdiff = -rdiff;
+                int g0 = (rgb0 & 0x00ff00) >> 8;
+                int g1 = (rgb1 & 0x00ff00) >> 8;
+                int gdiff = g0-g1; if (gdiff<0) gdiff = -gdiff;
+                int b0 = (rgb0 & 0x0000ff);
+                int b1 = (rgb1 & 0x0000ff);
+                int bdiff = b0-b1; if (bdiff<0) bdiff = -bdiff;
+                if (rdiff > 1 || gdiff > 1 || bdiff > 1) {
+                    throw new RuntimeException(
+                      "Images differ at x=" + x + " y="+ y + " " +
+                      Integer.toHexString(rgb0) + " vs " +
+                      Integer.toHexString(rgb1));
+                }
+            }
+        }
+    }
+
+}