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| author | Vitaly Provodin <vitaly.provodin@jetbrains.com> | 2017-05-02 15:28:07 +0700 |
|---|---|---|
| committer | Vitaly Provodin <vitaly.provodin@jetbrains.com> | 2017-05-02 15:28:07 +0700 |
| commit | d700da5d042b9f9790cfd03320ab13657d9b28c4 (patch) | |
| tree | 6c6cf1cb3552cc5d3d8aa32c7fabf9c06a9ba1ef | |
| parent | b31e48037f322cfa871e07787a68ea29f81cab8d (diff) | |
| download | jdk8u_jdk-d700da5d042b9f9790cfd03320ab13657d9b28c4.tar.gz | |
JRE-269 added regression testjb8u152-b846
| -rw-r--r-- | test/jb/javax/swing/JLabel/JLabel269.java | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/test/jb/javax/swing/JLabel/JLabel269.java b/test/jb/javax/swing/JLabel/JLabel269.java new file mode 100644 index 0000000000..cddadd8ccc --- /dev/null +++ b/test/jb/javax/swing/JLabel/JLabel269.java @@ -0,0 +1,120 @@ +/* + * Copyright 2000-2017 JetBrains s.r.o. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +import java.awt.Color; +import java.awt.Font; +import java.awt.Graphics; +import java.awt.image.BufferedImage; +import javax.swing.BoxLayout; +import javax.swing.JFrame; +import javax.swing.JLabel; +import javax.swing.JPanel; +import javax.swing.plaf.FontUIResource; + +/* @test + * @summary regression test on JRE-269 + * @run main/othervm -Djavax.swing.rebaseCssSizeMap=true JLabel269 + */ +public class JLabel269 { + + static class JLabelTest extends JLabel { + JLabelTest(String label) { + super(label); + } + + @Override + protected void paintComponent(Graphics g) { + g.setColor(Color.WHITE); + g.fillRect(0, 0, getWidth(), getHeight()); + g.setColor(Color.BLACK); + super.paintComponent(g); + } + } + + public static void main(String[] args) { + + String labelText = "<html><body><code>A</code></body></html>"; + + JFrame mainFrame = new JFrame(); + + JPanel container = new JPanel(); + container.setLayout(new BoxLayout(container, BoxLayout.X_AXIS)); + + JPanel p1 = new JPanel(); + JLabel l1 = new JLabelTest(labelText); + l1.setFont(new FontUIResource("Tahoma", Font.PLAIN, 36)); + p1.add(l1); + container.add(p1); + + JPanel p2 = new JPanel(); + JLabel l2 = new JLabelTest(labelText); + l2.setFont(new FontUIResource("Tahoma", Font.PLAIN, 72)); + p2.add(l2); + container.add(p2); + + mainFrame.add(container); + mainFrame.pack(); + mainFrame.setVisible(true); + + BufferedImage bi = new BufferedImage( + l1.getWidth(), l1.getHeight(), BufferedImage.TYPE_INT_ARGB); + l1.paint(bi.getGraphics()); + int height1 = maxCharHeight(bi, l1.getWidth(), l1.getHeight()); + + bi = new BufferedImage( + l2.getWidth(), l2.getHeight(), BufferedImage.TYPE_INT_ARGB); + l2.paint(bi.getGraphics()); + int height2 = maxCharHeight(bi, l2.getWidth(), l2.getHeight()); + + mainFrame.dispose(); + + if (Math.abs(height2 - 2*height1) > 2) { + throw new RuntimeException ("Heights of \"<code>A</code>\" for 36pt and for 72pt " + + "must differ by half (+/- 2pxs)"); + } + } + + private static int maxCharHeight(BufferedImage bufferedImage, int width, int height) { + int rgb; + int maxHeight=0; + for (int col = 0; col < width; col++) { + for (int row = 0; row < height; row++) { + try { + // remove transparance + rgb = bufferedImage.getRGB(col, row) & 0x00FFFFFF; + } catch (ArrayIndexOutOfBoundsException e) { + return maxHeight; + } + + int r = rgb >> 16; + int g = (rgb >> 8) & 0x000000FF; + int b = rgb & 0x00000FF; + if (r == g && g == b && b == 255) + System.out.print(" ."); + else + System.out.print(" X"); + + if (rgb != 0xFFFFFF) { + if (maxHeight < height - row) { + maxHeight = height - row; + } + } + } + System.out.println("maxHeight=" + maxHeight); + } + return maxHeight; + } +} |