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  1. JDK
  2. JDK-8222842

Images in HTML tooltips are no longer rendered

    Details

    • Subcomponent:
    • Introduced In Version:
    • CPU:
      x86_64
    • OS:
      windows_10

      Description

      ADDITIONAL SYSTEM INFORMATION :
      java.runtime.name=Java(TM) SE Runtime Environment
      java.vm.version=25.212-b10
      java.vm.name=Java HotSpot(TM) 64-Bit Server VM
      java.runtime.version=1.8.0_212-b10
      os.arch=amd64
      os.name=Windows 10
      os.version=10.0
      java.specification.version=1.8


      A DESCRIPTION OF THE PROBLEM :
      After release Java8u202 (including 211 and 212), <img/> tags without dimensions set as HTML tool tip of a Swing component are no longer rendered and the image can not be seen.

      Dimensionless images are correctly rendered in HTML tooltips in Java8u201 and below.

      REGRESSION : Last worked in version 8u211

      STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
      Given that a proper "Icon_information_128x128.png" with dimensions of 128x128 pixels is placed next to the test case, execute the following code with both Java8u201 and Java8u212:

      EventQueue.invokeAndWait(() -> {
      URL img = this.getClass().getResource("Icon_information_128x128.png");
      JButton btn = new JButton("Test");
      btn.setToolTipText("<html>This is a test tooltip: <img src=\"" + img + "\"/></html>");
      JDialog dlg = new JDialog();
      dlg.setLocationByPlatform(true);
      dlg.getContentPane().add(btn);
      dlg.setModal(true);
      dlg.pack();
      dlg.setVisible(true);
      });

      EXPECTED VERSUS ACTUAL BEHAVIOR :
      EXPECTED -
      There must be an image shown in the tool tip next to "This is a test tooltip: " when mouse is place on the button labeled "Test"
      ACTUAL -
      No image is seen in the tool tip, just the text "This is a test tooltip: "

      ---------- BEGIN SOURCE ----------
      public class JavaBugs
      {

      public void toolTipHtmlImageBug() throws InvocationTargetException, InterruptedException
      {
      EventQueue.invokeAndWait(() -> {
      URL img = this.getClass().getResource("Icon_information_128x128.png");
      JButton btn = new JButton("Test");
      btn.setToolTipText("<html>This is a test tooltip: <img src=\"" + img + "\" /></html>");
      JDialog dlg = new JDialog();
      dlg.setLocationByPlatform(true);
      dlg.getContentPane().add(btn);
      dlg.setModal(true);
      dlg.pack();
      dlg.setVisible(true);
      });
      }

      }
      ---------- END SOURCE ----------

      CUSTOMER SUBMITTED WORKAROUND :
      Extract and set image dimensions on the <img/> tag like:
      btn.setToolTipText("<html>This is a test tooltip: <img src=\"" + img + "\" width=128 height=128 /></html>");

      FREQUENCY : always


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              • Assignee:
                pardesha Pardeep Sharma
                Reporter:
                webbuggrp Webbug Group
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                • Created:
                  Updated:
                  Resolved: