| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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. |
| */ |
| |
| /* |
| * @author Paul Smith <psmith@apache.org> |
| * |
| */ |
| package org.apache.log4j.chainsaw; |
| |
| import org.apache.log4j.chainsaw.icons.ChainsawIcons; |
| |
| import javax.swing.*; |
| import java.awt.*; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| |
| /** |
| * A simple splash screen to be used at startup, while everything get's initialized. |
| * |
| * @author Paul Smith <psmith@apache.org> |
| */ |
| class ChainsawSplash extends JWindow { |
| ChainsawSplash(Frame owner) { |
| super(owner); |
| |
| Container container = getContentPane(); |
| JPanel panel = new JPanel(new BorderLayout()); |
| JLabel logo = new JLabel(ChainsawIcons.ICON_LOG4J); |
| |
| JLabel text = new JLabel("Chainsaw v2", SwingConstants.CENTER); |
| Font textFont = null; |
| String[] preferredFontNames = |
| new String[]{"Arial", "Helvetica", "SansSerif"}; |
| |
| Set<String> availableFontNames = new HashSet<>(); |
| Font[] allFonts = |
| GraphicsEnvironment.getLocalGraphicsEnvironment().getAllFonts(); |
| |
| for (Font allFont : allFonts) { |
| availableFontNames.add(allFont.getName()); |
| } |
| |
| for (String preferredFontName : preferredFontNames) { |
| if (availableFontNames.contains(preferredFontName)) { |
| textFont = new Font(preferredFontName, Font.PLAIN, 12); |
| |
| System.out.println("Using font=" + textFont.getName()); |
| |
| break; |
| } |
| } |
| |
| if (textFont == null) { |
| System.out.println("Using basic font"); |
| textFont = text.getFont(); |
| } |
| |
| text.setFont(textFont.deriveFont(16f).deriveFont(Font.BOLD)); |
| text.setBackground(Color.white); |
| text.setForeground(Color.black); |
| text.setBorder(BorderFactory.createLoweredBevelBorder()); |
| panel.add(logo, BorderLayout.CENTER); |
| panel.add(text, BorderLayout.SOUTH); |
| panel.setBorder(BorderFactory.createLineBorder(Color.black, 1)); |
| |
| container.add(panel); |
| pack(); |
| } |
| } |