/* * Copyright (C) 2010-2016 JPEXS * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program 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 for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package com.jpexs.decompiler.flash.gui; import com.jpexs.decompiler.flash.configuration.Configuration; import com.jpexs.decompiler.flash.configuration.ConfigurationItem; import java.awt.BorderLayout; import java.awt.Color; import java.awt.Component; import java.awt.Desktop; import java.awt.Dimension; import java.awt.Font; import java.awt.Graphics; import java.awt.GraphicsConfiguration; import java.awt.GraphicsDevice; import java.awt.GraphicsEnvironment; import java.awt.Image; import java.awt.Rectangle; import java.awt.SystemColor; import java.awt.TexturePaint; import java.awt.Window; import java.awt.event.ActionEvent; import java.awt.event.KeyEvent; import java.awt.event.WindowEvent; import java.awt.image.BufferedImage; import java.awt.image.VolatileImage; import java.io.IOException; import java.lang.reflect.InvocationTargetException; import java.net.URI; import java.net.URISyntaxException; import java.net.URL; import java.util.ArrayList; import java.util.List; import java.util.logging.Level; import java.util.logging.Logger; import java.util.regex.Matcher; import java.util.regex.Pattern; import javax.imageio.ImageIO; import javax.swing.AbstractAction; import javax.swing.Action; import javax.swing.ActionMap; import javax.swing.Icon; import javax.swing.ImageIcon; import javax.swing.InputMap; import javax.swing.JButton; import javax.swing.JCheckBox; import javax.swing.JComponent; import javax.swing.JDialog; import javax.swing.JEditorPane; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JMenuItem; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JPopupMenu; import javax.swing.JRootPane; import javax.swing.JTable; import javax.swing.JTree; import javax.swing.KeyStroke; import javax.swing.LookAndFeel; import javax.swing.SwingConstants; import javax.swing.SwingUtilities; import javax.swing.UIDefaults; import javax.swing.UIManager; import javax.swing.UnsupportedLookAndFeelException; import javax.swing.plaf.FontUIResource; import javax.swing.plaf.basic.BasicColorChooserUI; import javax.swing.table.DefaultTableCellRenderer; import javax.swing.table.DefaultTableColumnModel; import javax.swing.table.TableCellRenderer; import javax.swing.table.TableColumn; import javax.swing.table.TableModel; import javax.swing.text.JTextComponent; import javax.swing.tree.TreeModel; import javax.swing.tree.TreePath; import org.pushingpixels.flamingo.api.common.icon.ImageWrapperResizableIcon; import org.pushingpixels.substance.api.ColorSchemeAssociationKind; import org.pushingpixels.substance.api.ComponentState; import org.pushingpixels.substance.api.DecorationAreaType; import org.pushingpixels.substance.api.SubstanceColorScheme; import org.pushingpixels.substance.api.SubstanceConstants; import org.pushingpixels.substance.api.SubstanceLookAndFeel; import org.pushingpixels.substance.api.SubstanceSkin; import org.pushingpixels.substance.api.fonts.FontPolicy; import org.pushingpixels.substance.api.fonts.FontSet; import org.pushingpixels.substance.api.skin.SubstanceOfficeBlue2007LookAndFeel; import org.pushingpixels.substance.internal.utils.SubstanceColorSchemeUtilities; /** * Contains methods for GUI * * @author JPEXS */ public class View { public static Color getDefaultBackgroundColor() { if (Configuration.useRibbonInterface.get()) { return SubstanceLookAndFeel.getCurrentSkin().getColorScheme(DecorationAreaType.GENERAL, ColorSchemeAssociationKind.FILL, ComponentState.ENABLED).getBackgroundFillColor(); } else { return SystemColor.control; } } private static Color swfBackgroundColor = null; public static void setSwfBackgroundColor(Color swfBackgroundColor) { View.swfBackgroundColor = swfBackgroundColor; } public static Color getSwfBackgroundColor() { if (swfBackgroundColor == null) { return getDefaultBackgroundColor(); } return swfBackgroundColor; } private static final BufferedImage transparentTexture; public static final TexturePaint transparentPaint; private static FontPolicy defaultFontPolicy; private static final Color transparentColor1 = new Color(0x99, 0x99, 0x99); private static final Color transparentColor2 = new Color(0x66, 0x66, 0x66); static { transparentTexture = new BufferedImage(16, 16, BufferedImage.TYPE_INT_ARGB); Graphics g = transparentTexture.getGraphics(); g.setColor(transparentColor1); g.fillRect(0, 0, 16, 16); g.setColor(transparentColor2); g.fillRect(0, 0, 8, 8); g.fillRect(8, 8, 8, 8); transparentPaint = new TexturePaint(View.transparentTexture, new Rectangle(0, 0, transparentTexture.getWidth(), transparentTexture.getHeight())); } /** * Sets windows Look and Feel */ public static void setLookAndFeel() { // Save default font for Chinese characters final Font defaultFont = (new JLabel()).getFont(); try { UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName()); } catch (UnsupportedLookAndFeelException | ClassNotFoundException | InstantiationException | IllegalAccessException ignored) { } try { LookAndFeel oldLookAndFeel = UIManager.getLookAndFeel(); if (!(oldLookAndFeel instanceof SubstanceOfficeBlue2007LookAndFeel)) { UIManager.setLookAndFeel(new SubstanceOfficeBlue2007LookAndFeel()); oldLookAndFeel.uninitialize(); } SubstanceSkin currentSkin = SubstanceLookAndFeel.getCurrentSkin(); if (currentSkin != null) { String currentSkinName = currentSkin.getClass().getName(); String newSkinName = Configuration.guiSkin.get(); if (!currentSkinName.equals(newSkinName)) { SubstanceLookAndFeel.setSkin(newSkinName); } } else { Logger.getLogger(View.class.getName()).log(Level.SEVERE, "Current skin is null"); SubstanceLookAndFeel.setSkin("com.jpexs.decompiler.flash.gui.OceanicSkin"); } UIManager.put(SubstanceLookAndFeel.COLORIZATION_FACTOR, 0.999);//This works for not changing labels color and not changing Dialogs title UIManager.put("Tree.expandedIcon", getIcon("expand16")); UIManager.put("Tree.collapsedIcon", getIcon("collapse16")); UIManager.put("ColorChooserUI", BasicColorChooserUI.class.getName()); UIManager.put("ColorChooser.swatchesRecentSwatchSize", new Dimension(20, 20)); UIManager.put("ColorChooser.swatchesSwatchSize", new Dimension(20, 20)); UIManager.put("RibbonApplicationMenuPopupPanelUI", MyRibbonApplicationMenuPopupPanelUI.class.getName()); UIManager.put("RibbonApplicationMenuButtonUI", MyRibbonApplicationMenuButtonUI.class.getName()); UIManager.put("ProgressBarUI", MyProgressBarUI.class.getName()); UIManager.put("TextField.background", Color.white); UIManager.put("FormattedTextField.background", Color.white); UIManager.put("CommandButtonUI", MyCommandButtonUI.class.getName()); if (defaultFontPolicy == null) { defaultFontPolicy = SubstanceLookAndFeel.getFontPolicy(); } FontPolicy pol = defaultFontPolicy; final FontSet fs = pol.getFontSet("Substance", null); double fontSizeMultiplier = Configuration.guiFontSizeMultiplier.get(); // Restore default font for chinese characters SubstanceLookAndFeel.setFontPolicy(new FontPolicy() { private final FontSet fontSet = new FontSet() { private FontUIResource controlFont; private FontUIResource menuFont; private FontUIResource titleFont; private FontUIResource windowTitleFont; private FontUIResource smallFont; private FontUIResource messageFont; private int getFontSize(int defaultFontSize) { return (int) (defaultFontSize * fontSizeMultiplier); } @Override public FontUIResource getControlFont() { if (controlFont == null) { FontUIResource f = fs.getControlFont(); controlFont = new FontUIResource(defaultFont.getName(), f.getStyle(), getFontSize(f.getSize())); } return controlFont; } @Override public FontUIResource getMenuFont() { if (menuFont == null) { FontUIResource f = fs.getMenuFont(); menuFont = new FontUIResource(defaultFont.getName(), f.getStyle(), getFontSize(f.getSize())); } return menuFont; } @Override public FontUIResource getTitleFont() { if (titleFont == null) { FontUIResource f = fs.getTitleFont(); titleFont = new FontUIResource(defaultFont.getName(), f.getStyle(), getFontSize(f.getSize())); } return titleFont; } @Override public FontUIResource getWindowTitleFont() { if (windowTitleFont == null) { FontUIResource f = fs.getWindowTitleFont(); windowTitleFont = new FontUIResource(defaultFont.getName(), f.getStyle(), getFontSize(f.getSize())); } return windowTitleFont; } @Override public FontUIResource getSmallFont() { if (smallFont == null) { FontUIResource f = fs.getSmallFont(); smallFont = new FontUIResource(defaultFont.getName(), f.getStyle(), getFontSize(f.getSize())); } return smallFont; } @Override public FontUIResource getMessageFont() { if (messageFont == null) { FontUIResource f = fs.getMessageFont(); messageFont = new FontUIResource(defaultFont.getName(), f.getStyle(), getFontSize(f.getSize())); } return messageFont; } }; @Override public FontSet getFontSet(String string, UIDefaults uid) { return fontSet; } }); } catch (UnsupportedLookAndFeelException ex) { Logger.getLogger(View.class.getName()).log(Level.SEVERE, null, ex); } UIManager.put(SubstanceLookAndFeel.TABBED_PANE_CONTENT_BORDER_KIND, SubstanceConstants.TabContentPaneBorderKind.SINGLE_FULL); JFrame.setDefaultLookAndFeelDecorated(true); JDialog.setDefaultLookAndFeelDecorated(true); } /** * Loads image from resources * * @param name Name of the image * @return loaded Image */ public static BufferedImage loadImage(String name) { URL imageURL = View.class.getResource("/com/jpexs/decompiler/flash/gui/graphics/" + name + ".png"); try { return ImageIO.read(imageURL); } catch (IOException ex) { return null; } } /** * Sets icon of specified frame to ASDec icon * * @param f Frame to set icon in */ public static void setWindowIcon(Window f) { if (Configuration.useRibbonInterface.get()) { List<Image> images = new ArrayList<>(); MyResizableIcon[] icons = MyRibbonApplicationMenuButtonUI.getIcons(); MyResizableIcon icon = icons[1]; int[] sizes = new int[]{256, 128, 64, 42, 40, 32, 20, 16}; for (int size : sizes) { icon.setIconSize(size, size); BufferedImage bi = new BufferedImage(size, size, BufferedImage.TYPE_4BYTE_ABGR); icon.paintIcon(f, bi.getGraphics(), 0, 0); images.add(bi); } f.setIconImages(images); } else { List<Image> images = new ArrayList<>(); images.add(loadImage("icon16")); images.add(loadImage("icon32")); images.add(loadImage("icon48")); images.add(loadImage("icon256")); f.setIconImages(images); } } /** * Centers specified frame on the screen * * @param f Frame to center on the screen */ public static void centerScreen(Window f) { centerScreen(f, 0); // todo, set screen to the currently active screen instead of the first screen in a multi screen setup, (maybe by using the screen where the main window is now classic or ribbon?) } public static void centerScreen(Window f, int screen) { GraphicsDevice[] allDevices = getEnv().getScreenDevices(); int topLeftX, topLeftY, screenX, screenY, windowPosX, windowPosY; if (screen < allDevices.length && screen > -1) { topLeftX = allDevices[screen].getDefaultConfiguration().getBounds().x; topLeftY = allDevices[screen].getDefaultConfiguration().getBounds().y; screenX = allDevices[screen].getDefaultConfiguration().getBounds().width; screenY = allDevices[screen].getDefaultConfiguration().getBounds().height; } else { topLeftX = allDevices[0].getDefaultConfiguration().getBounds().x; topLeftY = allDevices[0].getDefaultConfiguration().getBounds().y; screenX = allDevices[0].getDefaultConfiguration().getBounds().width; screenY = allDevices[0].getDefaultConfiguration().getBounds().height; } windowPosX = ((screenX - f.getWidth()) / 2) + topLeftX; windowPosY = ((screenY - f.getHeight()) / 2) + topLeftY; f.setLocation(windowPosX, windowPosY); } public static ImageIcon getIcon(String name, int size) { ImageIcon icon = getIcon(getPrefferedIconName(name, size)); if (icon.getIconWidth() == size && icon.getIconHeight() == size) { return icon; } icon.getImage(); BufferedImage bi = new BufferedImage(size, size, BufferedImage.TYPE_INT_ARGB); bi.createGraphics().drawImage(icon.getImage(), 0, 0, size, size, null, null); return new ImageIcon(bi); } public static ImageIcon getIcon(String name) { return new ImageIcon(View.class.getClassLoader().getResource("com/jpexs/decompiler/flash/gui/graphics/" + name + ".png")); } private static final KeyStroke escapeStroke = KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0); private static final String dispatchWindowClosingActionMapKey = "com.jpexs.dispatch:WINDOW_CLOSING"; public static void installEscapeCloseOperation(final JDialog dialog) { Action dispatchClosing = new AbstractAction() { @Override public void actionPerformed(ActionEvent event) { dialog.dispatchEvent(new WindowEvent( dialog, WindowEvent.WINDOW_CLOSING)); } }; JRootPane root = dialog.getRootPane(); root.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put( escapeStroke, dispatchWindowClosingActionMapKey); root.getActionMap().put(dispatchWindowClosingActionMapKey, dispatchClosing); } public static boolean iconExists(String resource) { return View.class.getResource("/com/jpexs/decompiler/flash/gui/graphics/" + resource + ".png") != null; } private static String getPrefferedIconName(String resource, int preferredSize) { Matcher m = Pattern.compile("(.*[^0-9])([0-9]+)").matcher(resource); if (m.matches()) { int origSize = Integer.parseInt(m.group(2)); String name = m.group(1); if (origSize != preferredSize) { if (iconExists(name + preferredSize)) { return name + preferredSize; } } } return resource; } public static ImageWrapperResizableIcon getResizableIcon(String resource, int preferredSize) { return getResizableIcon(getPrefferedIconName(resource, preferredSize)); } public static ImageWrapperResizableIcon getResizableIcon(String resource) { return ImageWrapperResizableIcon.getIcon(View.class.getResource("/com/jpexs/decompiler/flash/gui/graphics/" + resource + ".png"), new Dimension(256, 256)); } public static MyResizableIcon getMyResizableIcon(String resource) { try { return new MyResizableIcon(ImageIO.read(View.class.getResourceAsStream("/com/jpexs/decompiler/flash/gui/graphics/" + resource + ".png"))); } catch (IOException ex) { Logger.getLogger(View.class.getName()).log(Level.SEVERE, null, ex); return null; } } public static void execInEventDispatch(Runnable r) { if (SwingUtilities.isEventDispatchThread()) { r.run(); } else { try { SwingUtilities.invokeAndWait(r); } catch (InterruptedException ex) { } catch (InvocationTargetException ex) { Logger.getLogger(View.class.getName()).log(Level.SEVERE, null, ex); } } } public static void execInEventDispatchLater(Runnable r) { if (SwingUtilities.isEventDispatchThread()) { r.run(); } else { SwingUtilities.invokeLater(r); } } public static int showOptionDialog(final Component parentComponent, final Object message, final String title, final int optionType, final int messageType, final Icon icon, final Object[] options, final Object initialValue) { final int[] ret = new int[1]; execInEventDispatch(() -> { ret[0] = JOptionPane.showOptionDialog(parentComponent, message, title, optionType, messageType, icon, options, initialValue); }); return ret[0]; } public static int showConfirmDialog(Component parentComponent, Object message, String title, int optionType) { return showConfirmDialog(parentComponent, message, title, optionType, JOptionPane.PLAIN_MESSAGE); } public static int showConfirmDialog(final Component parentComponent, final Object message, final String title, final int optionType, final int messageTyp) { final int[] ret = new int[1]; execInEventDispatch(() -> { ret[0] = JOptionPane.showConfirmDialog(parentComponent, message, title, optionType, messageTyp); }); return ret[0]; } public static int showConfirmDialog(Component parentComponent, String message, String title, int optionType, ConfigurationItem<Boolean> showAgainConfig, int defaultOption) { return showConfirmDialog(parentComponent, message, title, optionType, JOptionPane.PLAIN_MESSAGE, showAgainConfig, defaultOption); } public static int showConfirmDialog(final Component parentComponent, String message, final String title, final int optionType, final int messageType, ConfigurationItem<Boolean> showAgainConfig, int defaultOption) { JCheckBox donotShowAgainCheckBox = null; JPanel warPanel = null; if (showAgainConfig != null) { if (!showAgainConfig.get()) { return defaultOption; } JLabel warLabel = new JLabel("<html>" + message.replace("\r\n", "<br>") + "</html>"); warPanel = new JPanel(new BorderLayout()); warPanel.add(warLabel, BorderLayout.CENTER); donotShowAgainCheckBox = new JCheckBox(AppStrings.translate("message.confirm.donotshowagain")); warPanel.add(donotShowAgainCheckBox, BorderLayout.SOUTH); } final int[] ret = new int[1]; final Object messageObj = warPanel == null ? message : warPanel; execInEventDispatch(() -> { ret[0] = JOptionPane.showConfirmDialog(parentComponent, messageObj, title, optionType, messageType); }); if (donotShowAgainCheckBox != null) { showAgainConfig.set(!donotShowAgainCheckBox.isSelected()); } return ret[0]; } public static void showMessageDialog(final Component parentComponent, final String message, final String title, final int messageType) { showMessageDialog(parentComponent, message, title, messageType, null); } public static void showMessageDialog(final Component parentComponent, final String message, final String title, final int messageType, ConfigurationItem<Boolean> showAgainConfig) { execInEventDispatch(() -> { Object msg = message; JCheckBox donotShowAgainCheckBox = null; if (showAgainConfig != null) { if (!showAgainConfig.get()) { return; } JLabel warLabel = new JLabel("<html>" + message.replace("\r\n", "<br>") + "</html>"); final JPanel warPanel = new JPanel(new BorderLayout()); warPanel.add(warLabel, BorderLayout.CENTER); donotShowAgainCheckBox = new JCheckBox(AppStrings.translate("message.confirm.donotshowagain")); warPanel.add(donotShowAgainCheckBox, BorderLayout.SOUTH); msg = warPanel; } final Object fmsg = msg; JOptionPane.showMessageDialog(parentComponent, fmsg, title, messageType); if (donotShowAgainCheckBox != null) { showAgainConfig.set(!donotShowAgainCheckBox.isSelected()); } }); } public static void showMessageDialog(final Component parentComponent, final Object message) { execInEventDispatch(() -> { JOptionPane.showMessageDialog(parentComponent, message); }); } public static String showInputDialog(final Object message, final Object initialSelection) { final String[] ret = new String[1]; execInEventDispatch(() -> { ret[0] = JOptionPane.showInputDialog(message, initialSelection); }); return ret[0]; } public static SubstanceColorScheme getColorScheme() { return SubstanceColorSchemeUtilities.getActiveColorScheme(new JButton(), ComponentState.ENABLED); } public static void refreshTree(JTree tree, TreeModel model) { List<List<String>> expandedNodes = getExpandedNodes(tree); tree.setModel(model); expandTreeNodes(tree, expandedNodes); } public static List<List<String>> getExpandedNodes(JTree tree) { List<List<String>> expandedNodes = new ArrayList<>(); int rowCount = tree.getRowCount(); for (int i = 0; i < rowCount; i++) { try { TreePath path = tree.getPathForRow(i); if (tree.isExpanded(path)) { List<String> pathAsStringList = new ArrayList<>(); for (Object pathCompnent : path.getPath()) { pathAsStringList.add(pathCompnent.toString()); } expandedNodes.add(pathAsStringList); } } catch (IndexOutOfBoundsException | NullPointerException ex) { // TreeNode was removed, ignore } } return expandedNodes; } public static void expandTreeNodes(JTree tree, List<List<String>> pathsToExpand) { for (List<String> pathAsStringList : pathsToExpand) { expandTreeNode(tree, pathAsStringList); } } private static TreePath expandTreeNode(JTree tree, List<String> pathAsStringList) { TreePath tp = getTreePathByPathStrings(tree, pathAsStringList); tree.expandPath(tp); return tp; } public static TreePath getTreePathByPathStrings(JTree tree, List<String> pathAsStringList) { TreeModel model = tree.getModel(); if (model == null) { return null; } Object node = model.getRoot(); if (pathAsStringList.isEmpty()) { return null; } if (!pathAsStringList.get(0).equals(node.toString())) { return null; } List<Object> path = new ArrayList<>(); path.add(node); for (int i = 1; i < pathAsStringList.size(); i++) { String name = pathAsStringList.get(i); int childCount = model.getChildCount(node); for (int j = 0; j < childCount; j++) { Object child = model.getChild(node, j); if (child.toString().equals(name)) { node = child; path.add(node); break; } } } TreePath tp = new TreePath(path.toArray(new Object[path.size()])); return tp; } public static void expandTreeNodes(JTree tree, TreePath parent, boolean expand) { expandTreeNodesRecursive(tree, parent, expand); } private static void expandTreeNodesRecursive(JTree tree, TreePath parent, boolean expand) { TreeModel model = tree.getModel(); Object node = parent.getLastPathComponent(); int childCount = model.getChildCount(node); for (int j = 0; j < childCount; j++) { Object child = model.getChild(node, j); TreePath path = parent.pathByAddingChild(child); expandTreeNodesRecursive(tree, path, expand); } if (expand) { tree.expandPath(parent); } else { tree.collapsePath(parent); } } public static void addEditorAction(JEditorPane editor, AbstractAction a, String key, String name, String keyStroke) { KeyStroke ks = KeyStroke.getKeyStroke(keyStroke); a.putValue(Action.ACCELERATOR_KEY, ks); a.putValue(Action.NAME, name); String actionName = key; ActionMap amap = editor.getActionMap(); InputMap imap = editor.getInputMap(JTextComponent.WHEN_FOCUSED); imap.put(ks, actionName); amap.put(actionName, a); JPopupMenu pmenu = editor.getComponentPopupMenu(); JMenuItem findUsagesMenu = new JMenuItem(a); pmenu.add(findUsagesMenu); } public static boolean navigateUrl(String url) { if (Desktop.isDesktopSupported()) { Desktop desktop = Desktop.getDesktop(); if (desktop.isSupported(Desktop.Action.BROWSE)) { try { URI uri = new URI(url); desktop.browse(uri); return true; } catch (URISyntaxException | IOException ex) { Logger.getLogger(View.class.getName()).log(Level.SEVERE, null, ex); } } } return false; } public static JTable autoResizeColWidth(final JTable table, final TableModel model) { View.execInEventDispatch(() -> { table.setAutoResizeMode(JTable.AUTO_RESIZE_OFF); table.setModel(model); int margin = 5; for (int i = 0; i < table.getColumnCount(); i++) { int vColIndex = i; DefaultTableColumnModel colModel = (DefaultTableColumnModel) table.getColumnModel(); TableColumn col = colModel.getColumn(vColIndex); int width; // Get width of column header TableCellRenderer renderer = col.getHeaderRenderer(); if (renderer == null) { renderer = table.getTableHeader().getDefaultRenderer(); } Component comp = renderer.getTableCellRendererComponent(table, col.getHeaderValue(), false, false, 0, 0); width = comp.getPreferredSize().width; // Get maximum width of column data for (int r = 0; r < table.getRowCount(); r++) { renderer = table.getCellRenderer(r, vColIndex); comp = renderer.getTableCellRendererComponent(table, table.getValueAt(r, vColIndex), false, false, r, vColIndex); width = Math.max(width, comp.getPreferredSize().width); } // Add margin width += 2 * margin; // Set the width col.setPreferredWidth(width); } ((DefaultTableCellRenderer) table.getTableHeader().getDefaultRenderer()).setHorizontalAlignment( SwingConstants.LEFT); // table.setAutoCreateRowSorter(true); table.getTableHeader().setReorderingAllowed(false); }); return table; } private static GraphicsEnvironment env; public static GraphicsEnvironment getEnv() { if (env == null) { env = GraphicsEnvironment.getLocalGraphicsEnvironment(); } return env; } private static GraphicsConfiguration conf; public static GraphicsConfiguration getDefaultConfiguration() { if (conf == null) { conf = getEnv().getDefaultScreenDevice().getDefaultConfiguration(); } return conf; } public static BufferedImage toCompatibleImage(BufferedImage image) { if (image.getColorModel().equals(getDefaultConfiguration().getColorModel())) { return image; } return getDefaultConfiguration().createCompatibleImage(image.getWidth(), image.getHeight(), image.getTransparency()); } public static VolatileImage createRenderImage(int width, int height, int transparency) { VolatileImage image = getDefaultConfiguration().createCompatibleVolatileImage(width, height, transparency); int valid = image.validate(getDefaultConfiguration()); if (valid == VolatileImage.IMAGE_INCOMPATIBLE) { image = createRenderImage(width, height, transparency); return image; } return image; } }