Java Frame.setBackground方法代码示例

import java.awt.Frame; //导入方法依赖的package包/类
public static void main(String[] args) {

        final Frame frame = new Frame("Test");
        frame.setSize(400, 400);
        frame.setBackground(FRAME_COLOR);
        frame.setVisible(true);

        final Dialog modalDialog = new Dialog(null, true);
        modalDialog.setTitle("Modal Dialog");
        modalDialog.setSize(400, 200);
        modalDialog.setBackground(DIALOG_COLOR);
        modalDialog.setModal(true);

        new Thread(new Runnable() {

            @Override
            public void run() {
                runTest(modalDialog, frame);
            }
        }).start();

        modalDialog.setVisible(true);
    }
 

import java.awt.Frame; //导入方法依赖的package包/类
public void testChildPropertiesWithFrameAsParent() {

        parentFrame = new Frame("parent Frame");
        parentFrame.setSize(WIDTH, HEIGHT);
        parentFrame.setLocation(100, 400);
        parentFrame.setBackground(Color.BLUE);
        parentLabel = new Label("ParentForegroundAndFont");
        parentFont = new Font("Courier New", Font.ITALIC, 15);
        parentFrame.setForeground(Color.RED);
        parentFrame.setFont(parentFont);
        parentFrame.add(parentLabel);
        parentFrame.setVisible(true);

        frameChildWindow = new Window(parentFrame);
        frameChildWindow.setSize(WIDTH, HEIGHT);
        frameChildWindow.setLocation(WIDTH + 200, 400);
        childLabel = new Label("ChildForegroundAndFont");
        frameChildWindow.add(childLabel);
        frameChildWindow.setVisible(true);

        if (parentFrame.getBackground() == frameChildWindow.getBackground()) {
            dispose();
            throw new RuntimeException("Child Window Should NOT Inherit "
                    + "Parent Frame's Background Color");
        }
        if (parentDialog.getForeground() == windowChild.getForeground()) {
            dispose();
            throw new RuntimeException("Child Window Should NOT Inherit "
                    + "Parent Frame's Foreground Color");
        }
        if (parentDialog.getFont() == windowChild.getFont()) {
            dispose();
            throw new RuntimeException("Child Window Should NOT Inherit "
                    + "Parent Frame's Font Color");
        }
    }
 

import java.awt.Frame; //导入方法依赖的package包/类
public static void main(String[] args) {
    Robot robot = Util.createRobot();

    Frame frame = new Frame("Frame");
    frame.setBackground(Color.BLUE);
    frame.setBounds(200, 50, 300, 300);
    frame.setVisible(true);

    Dialog dialog1 = new Dialog(frame, "Dialog 1", false);
    dialog1.setBackground(Color.RED);
    dialog1.setBounds(100, 100, 200, 200);
    dialog1.setVisible(true);

    Dialog dialog2 = new Dialog(frame, "Dialog 2", false);
    dialog2.setBackground(Color.GREEN);
    dialog2.setBounds(400, 100, 200, 200);
    dialog2.setVisible(true);

    Util.waitForIdle(robot);

    Util.clickOnComp(dialog2, robot);
    Util.waitForIdle(robot);

    Point point = dialog1.getLocationOnScreen();
    int x = point.x + (int)(dialog1.getWidth() * 0.9);
    int y = point.y + (int)(dialog1.getHeight() * 0.9);

    try {
        if (!Util.testPixelColor(x, y, dialog1.getBackground(), 10, 100, robot)) {
            throw new RuntimeException("Test FAILED: Dialog is behind the frame");
        }
    } finally {
        frame.dispose();
        dialog1.dispose();
        dialog2.dispose();
    }
}
 

import java.awt.Frame; //导入方法依赖的package包/类
public static void main(String[] args) throws AWTException
{
    GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
    GraphicsDevice[] gds = ge.getScreenDevices();
    if (gds.length < 2) {
        System.out.println("It's a multiscreen test... skipping!");
        return;
    }

    for (int i = 0; i < gds.length; ++i) {
        GraphicsDevice gd = gds[i];
        GraphicsConfiguration gc = gd.getDefaultConfiguration();
        Rectangle screen = gc.getBounds();
        Robot robot = new Robot(gd);

        // check Robot.mouseMove()
        robot.mouseMove(screen.x + mouseOffset.x, screen.y + mouseOffset.y);
        Point mouse = MouseInfo.getPointerInfo().getLocation();
        Point point = screen.getLocation();
        point.translate(mouseOffset.x, mouseOffset.y);
        if (!point.equals(mouse)) {
            throw new RuntimeException(getErrorText("Robot.mouseMove", i));
        }

        // check Robot.getPixelColor()
        Frame frame = new Frame(gc);
        frame.setUndecorated(true);
        frame.setSize(100, 100);
        frame.setLocation(screen.x + frameOffset.x, screen.y + frameOffset.y);
        frame.setBackground(color);
        frame.setVisible(true);
        robot.waitForIdle();
        Rectangle bounds = frame.getBounds();
        if (!Util.testBoundsColor(bounds, color, 5, 1000, robot)) {
            throw new RuntimeException(getErrorText("Robot.getPixelColor", i));
        }

        // check Robot.createScreenCapture()
        BufferedImage image = robot.createScreenCapture(bounds);
        int rgb = color.getRGB();
        if (image.getRGB(0, 0) != rgb
            || image.getRGB(image.getWidth() - 1, 0) != rgb
            || image.getRGB(image.getWidth() - 1, image.getHeight() - 1) != rgb
            || image.getRGB(0, image.getHeight() - 1) != rgb) {
                throw new RuntimeException(
                        getErrorText("Robot.createScreenCapture", i));
        }
        frame.dispose();
    }

    System.out.println("Test PASSED!");
}
 

import java.awt.Frame; //导入方法依赖的package包/类
public static void main(final String[] args) throws AWTException {
    final Frame frame = new Frame();
    final Component label = new PaintNativeOnUpdate();
    frame.setBackground(Color.RED);
    frame.add(label);
    frame.setSize(300, 300);
    frame.setUndecorated(true);
    frame.setLocationRelativeTo(null);
    frame.setVisible(true);
    sleep();
    label.repaint();// first paint
    sleep();
    label.repaint();// incremental paint
    sleep();

    Robot robot = new Robot();
    robot.setAutoDelay(50);
    Point point = label.getLocationOnScreen();
    Color color = robot.getPixelColor(point.x + label.getWidth() / 2,
                                      point.y + label.getHeight() / 2);
    if (!color.equals(Color.GREEN)) {
        System.err.println("Expected color = " + Color.GREEN);
        System.err.println("Actual color = " + color);
        throw new RuntimeException();
    }
    frame.dispose();
}
 

import java.awt.Frame; //导入方法依赖的package包/类
public static void main(String[] args) {
    // to regress embedding test against old fix, call with an arg.  A window will pop
    // up causing awt lib to be loaded so the vm won't die with the unsatisfied link error.
    if (args.length > 0) {
        Frame f = new Frame();
        f.setSize(300, 300);
        f.setBackground(Color.white);
        f.show();
    }

    test1();
    test2();
}
 

import java.awt.Frame; //导入方法依赖的package包/类
public void testChildPropertiesWithFrameAsParent() {

        parentFrame = new Frame("parent Frame");
        parentFrame.setSize(WIDTH, HEIGHT);
        parentFrame.setLocation(100, 400);
        parentFrame.setBackground(Color.BLUE);
        parentLabel = new Label("ParentForegroundAndFont");
        parentFont = new Font("Courier New", Font.ITALIC, 15);
        parentFrame.setForeground(Color.RED);
        parentFrame.setFont(parentFont);
        parentFrame.add(parentLabel);
        parentFrame.setVisible(true);

        frameChildDialog = new Dialog(parentFrame, "Frame's child");
        frameChildDialog.setSize(WIDTH, HEIGHT);
        frameChildDialog.setLocation(WIDTH + 200, 400);
        childLabel = new Label("ChildForegroundAndFont");
        frameChildDialog.add(childLabel);
        frameChildDialog.setVisible(true);

        if (parentFrame.getBackground() == frameChildDialog.getBackground()) {
            dispose();
            throw new RuntimeException("Child Dialog Should NOT Inherit "
                    + "Parent Frame's Background Color");
        }

        if (parentFrame.getForeground() == frameChildDialog.getForeground()) {
            dispose();
            throw new RuntimeException("Child Dialog Should NOT Inherit "
                    + "Parent Frame's Foreground Color");
        }

        if (parentFrame.getFont() == frameChildDialog.getFont()) {
            dispose();
            throw new RuntimeException("Child Dialog Should NOT Inherit "
                    + "Parent Frame's Font Style/Color");
        }
    }
 

import java.awt.Frame; //导入方法依赖的package包/类
public static void main(final String[] args) throws AWTException {
    ExtendedRobot robot = new ExtendedRobot();
    robot.setAutoDelay(50);
    final Frame frame = new Frame();
    final Component label = new PaintNativeOnUpdate();
    frame.setBackground(Color.RED);
    frame.add(label);
    frame.setSize(300, 300);
    frame.setUndecorated(true);
    frame.setLocationRelativeTo(null);
    frame.setVisible(true);
    robot.waitForIdle(1000);
    label.repaint();// first paint
    robot.waitForIdle(1000);
    label.repaint();// incremental paint
    robot.waitForIdle(1000);

    Point point = label.getLocationOnScreen();
    Color color = robot.getPixelColor(point.x + label.getWidth() / 2,
                                      point.y + label.getHeight() / 2);
    if (!color.equals(Color.GREEN)) {
        System.err.println("Expected color = " + Color.GREEN);
        System.err.println("Actual color = " + color);
        throw new RuntimeException();
    }
    frame.dispose();
}
 

import java.awt.Frame; //导入方法依赖的package包/类
public static void main(final String[] args) {

        final GraphicsDevice[] devices =
                GraphicsEnvironment.getLocalGraphicsEnvironment()
                                   .getScreenDevices();
        if (devices.length < 2 || devices[0].getDisplayModes().length < 2
                || !devices[0].isFullScreenSupported()
                || !devices[1].isFullScreenSupported()) {
            System.err.println("Testcase is not applicable");
            return;
        }
        final DisplayMode defaultDM = devices[0].getDisplayMode();
        final DisplayMode[] dms = devices[0].getDisplayModes();
        DisplayMode nonDefaultDM = null;

        for (final DisplayMode dm : dms) {
            if (!dm.equals(defaultDM)) {
                nonDefaultDM = dm;
                break;
            }
        }
        if (nonDefaultDM == null) {
            System.err.println("Testcase is not applicable");
            return;
        }

        final Frame frame = new Frame();
        frame.setBackground(Color.GREEN);
        frame.setUndecorated(true);
        try {
            devices[0].setFullScreenWindow(frame);
            sleep();
            devices[0].setDisplayMode(nonDefaultDM);
            sleep();
            devices[1].setFullScreenWindow(frame);
            sleep();
            if (!defaultDM.equals(devices[0].getDisplayMode())) {
                throw new RuntimeException("DisplayMode is not restored");
            }
        } finally {
            // cleaning up
            devices[0].setFullScreenWindow(null);
            devices[1].setFullScreenWindow(null);
            frame.dispose();
        }
    }
 

import java.awt.Frame; //导入方法依赖的package包/类
public ComponentIsNotDrawnAfterRemoveAddTest() {
    frame = new Frame("ComponentIsNotDrawnAfterRemoveAddTest");
    frame.setSize(500, 500);
    frame.setLocation(200, 200);
    frame.setLayout(null);
    frame.setBackground(Color.RED);

    panel = new Panel();
    panel.setLayout(null);
    panel.setBounds(25, 100, 455, 295);
    panel.setBackground(Color.GREEN);

    for (int i = 0; i < 10; i++) {
        TestCanvas canv1 = new TestCanvas();
        canv1.setBounds(i * 45 + 5, 15, 30 + i, 30 + i);
        panel.add(canv1);
        compList.add(canv1);

        TestButton btn1 = new TestButton();
        btn1.setBounds(i * 45 + 5, 60, 30 + i, 30 + i);
        panel.add(btn1);
        compList.add(btn1);

        TestCanvas canv2 = new TestCanvas();
        canv2.setBounds(i * 45 + 5, 105, 30 + i, 30 + i);
        panel.add(canv2);
        compList.add(canv2);

        TestButton btn2 = new TestButton();
        btn2.setBounds(i * 45 + 5, 150, 30 + i, 30 + i);
        panel.add(btn2);
        compList.add(btn2);

        TestCanvas canv3 = new TestCanvas();
        canv3.setBounds(i * 45 + 5, 195, 30 + i, 30 + i);
        panel.add(canv3);
        compList.add(canv3);

        TestButton btn3 = new TestButton();
        btn3.setBounds(i * 45 + 5, 240, 30 + i, 30 + i);
        panel.add(btn3);
        compList.add(btn3);
    }

    frame.add(panel);
    frame.setVisible(true);
}
 

import java.awt.Frame; //导入方法依赖的package包/类
public static void main(final String[] args) {

        final GraphicsDevice[] devices =
                GraphicsEnvironment.getLocalGraphicsEnvironment()
                                   .getScreenDevices();
        if (devices.length < 2 || devices[0].getDisplayModes().length < 2
                || !devices[0].isFullScreenSupported()
                || !devices[1].isFullScreenSupported()) {
            System.err.println("Testcase is not applicable");
            return;
        }
        final DisplayMode defaultDM = devices[0].getDisplayMode();
        final DisplayMode[] dms = devices[0].getDisplayModes();
        DisplayMode nonDefaultDM = null;

        for (final DisplayMode dm : dms) {
            if (!dm.equals(defaultDM)) {
                nonDefaultDM = dm;
                break;
            }
        }
        if (nonDefaultDM == null) {
            System.err.println("Testcase is not applicable");
            return;
        }

        try {
            robot = new ExtendedRobot();
        }catch(Exception ex) {
            ex.printStackTrace();
            throw new RuntimeException("Unexpected failure");
        }

        final Frame frame = new Frame();
        frame.setBackground(Color.GREEN);
        frame.setUndecorated(true);
        try {
            devices[0].setFullScreenWindow(frame);
            sleep();
            devices[0].setDisplayMode(nonDefaultDM);
            sleep();
            devices[1].setFullScreenWindow(frame);
            sleep();
            if (!defaultDM.equals(devices[0].getDisplayMode())) {
                throw new RuntimeException("DisplayMode is not restored");
            }
        } finally {
            // cleaning up
            devices[0].setFullScreenWindow(null);
            devices[1].setFullScreenWindow(null);
            frame.dispose();
        }
    }
 

import java.awt.Frame; //导入方法依赖的package包/类
public void createGUI() {

        frame = new Frame();
        frame.setTitle("ExtendedModifiersTest");
        frame.setLayout(new GridLayout(1, 6));

        button = new Button();
        button.addKeyListener(this);
        frame.add(button);

        buttonLW = new LWButton();
        buttonLW.addKeyListener(this);
        frame.add(buttonLW);

        textField = new TextField(5);
        textField.addKeyListener(this);
        frame.add(textField);

        textArea = new TextArea(5, 5);
        textArea.addKeyListener(this);
        frame.add(textArea);

        list = new List();
        for (int i = 1; i <= 5; ++i) {
            list.add("item " + i);
        }
        list.addKeyListener(this);
        frame.add(list);

        listLW = new LWList();
        for (int i = 1; i <= 5; ++i) {
            listLW.add("item " + i);
        }
        listLW.addKeyListener(this);
        frame.add(listLW);

        frame.setBackground(Color.gray);
        frame.setSize(500, 100);
        frame.setVisible(true);
        frame.toFront();
    }