Accessing Predefined Fonts, Sizes, and Colors in Java
Problem:
If you want to populate a JComboBox with a list of fonts, sizes, and colors, you need to find a way to obtain the predefined options available on the system.
Solution:
To access the predefined fonts in Windows, you can use GraphicsEnvironment.getAvailableFontFamilyNames():
<code class="java">GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment(); String[] fonts = ge.getAvailableFontFamilyNames();</code>
Customizing Font Attributes
Once you have the font names, you can set the font size and style at runtime. For example:
<code class="java">// Create a new font object with the specified attributes Font font = new Font("Arial", Font.BOLD, 12);</code>
Populating the JComboBox
With the font names and attributes, you can populate the JComboBox:
<code class="java">// Populate the font JComboBox for (String fontName : fonts) { jcbFonts.addItem(fontName); }</code>
Font Chooser GUI Example
You can create a simple GUI to demonstrate the font selection:
<code class="java">// Create a FontCellRenderer for custom font display FontCellRenderer renderer = new FontCellRenderer(); // Create the JComboBox with the fonts JComboBox fontChooser = new JComboBox(fonts); fontChooser.setRenderer(renderer); // Display the font chooser dialog JOptionPane.showMessageDialog(null, fontChooser);</code>
This example will display a dialog where you can select a font and view a preview of the selected font.
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