下面列出了java.awt.Robot#getPixelColor ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
public static void main(final String[] args) throws AWTException {
final Window window = new BackgroundIsNotUpdated(null);
window.setSize(300, 300);
window.setLocationRelativeTo(null);
window.setVisible(true);
sleep();
window.setBackground(Color.GREEN);
sleep();
final Robot robot = new Robot();
robot.setAutoDelay(200);
Point point = window.getLocationOnScreen();
Color color = robot.getPixelColor(point.x + window.getWidth() / 2,
point.y + window.getHeight() / 2);
window.dispose();
if (!color.equals(Color.GREEN)) {
throw new RuntimeException(
"Expected: " + Color.GREEN + " , Actual: " + color);
}
}
public static void main(final String[] args) throws AWTException {
final Window window = new BackgroundIsNotUpdated(null);
window.setSize(300, 300);
window.setLocationRelativeTo(null);
window.setVisible(true);
sleep();
window.setBackground(Color.GREEN);
sleep();
final Robot robot = new Robot();
robot.setAutoDelay(200);
Point point = window.getLocationOnScreen();
Color color = robot.getPixelColor(point.x + window.getWidth() / 2,
point.y + window.getHeight() / 2);
window.dispose();
if (!color.equals(Color.GREEN)) {
throw new RuntimeException(
"Expected: " + Color.GREEN + " , Actual: " + color);
}
}
static void testSplash(ImageInfo test) throws Exception {
SplashScreen splashScreen = SplashScreen.getSplashScreen();
if (splashScreen == null) {
throw new RuntimeException("Splash screen is not shown!");
}
Graphics2D g = splashScreen.createGraphics();
Rectangle splashBounds = splashScreen.getBounds();
int screenX = (int) splashBounds.getCenterX();
int screenY = (int) splashBounds.getCenterY();
if(splashBounds.width != IMAGE_WIDTH){
throw new RuntimeException(
"SplashScreen#getBounds has wrong width");
}
if(splashBounds.height != IMAGE_HEIGHT){
throw new RuntimeException(
"SplashScreen#getBounds has wrong height");
}
Robot robot = new Robot();
Color splashScreenColor = robot.getPixelColor(screenX, screenY);
float scaleFactor = getScaleFactor();
Color testColor = (1 < scaleFactor) ? test.color2x : test.color1x;
if (!compare(testColor, splashScreenColor)) {
throw new RuntimeException(
"Image with wrong resolution is used for splash screen!");
}
}
static void testSplash(ImageInfo test) throws Exception {
SplashScreen splashScreen = SplashScreen.getSplashScreen();
if (splashScreen == null) {
throw new RuntimeException("Splash screen is not shown!");
}
Graphics2D g = splashScreen.createGraphics();
Rectangle splashBounds = splashScreen.getBounds();
int screenX = (int) splashBounds.getCenterX();
int screenY = (int) splashBounds.getCenterY();
if (splashBounds.width != IMAGE_WIDTH) {
throw new RuntimeException(
"SplashScreen#getBounds has wrong width");
}
if (splashBounds.height != IMAGE_HEIGHT) {
throw new RuntimeException(
"SplashScreen#getBounds has wrong height");
}
Robot robot = new Robot();
Color splashScreenColor = robot.getPixelColor(screenX, screenY);
float scaleFactor = getScaleFactor();
Color testColor = (1 < scaleFactor) ? test.color2x : test.color1x;
if (!compare(testColor, splashScreenColor)) {
throw new RuntimeException(
"Image with wrong resolution is used for splash screen!");
}
}
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();
}
private static void runTest(Dialog dialog, Frame frame) {
try {
Robot robot = new Robot();
robot.setAutoDelay(50);
robot.mouseMove(300, 300);
while (!dialog.isVisible()) {
sleep();
}
Rectangle dialogBounds = dialog.getBounds();
Rectangle frameBounds = frame.getBounds();
int y1 = dialogBounds.y + dialogBounds.height;
int y2 = frameBounds.y + frameBounds.height;
int clickX = frameBounds.x + frameBounds.width / 2;
int clickY = y1 + (y2 - y1) / 2;
robot.mouseMove(clickX, clickY);
robot.mousePress(InputEvent.BUTTON1_MASK);
robot.mouseRelease(InputEvent.BUTTON1_MASK);
sleep();
int colorX = dialogBounds.x + dialogBounds.width / 2;
int colorY = dialogBounds.y + dialogBounds.height / 2;
Color color = robot.getPixelColor(colorX, colorY);
dialog.dispose();
frame.dispose();
if (!DIALOG_COLOR.equals(color)) {
throw new RuntimeException("The frame is on top"
+ " of the modal dialog!");
}
} catch (Exception ex) {
throw new RuntimeException(ex);
}
}
private static void runTest(Dialog dialog, Frame frame) {
try {
Robot robot = new Robot();
robot.setAutoDelay(50);
robot.mouseMove(300, 300);
while (!dialog.isVisible()) {
sleep();
}
Rectangle dialogBounds = dialog.getBounds();
Rectangle frameBounds = frame.getBounds();
int y1 = dialogBounds.y + dialogBounds.height;
int y2 = frameBounds.y + frameBounds.height;
int clickX = frameBounds.x + frameBounds.width / 2;
int clickY = y1 + (y2 - y1) / 2;
robot.mouseMove(clickX, clickY);
robot.mousePress(InputEvent.BUTTON1_MASK);
robot.mouseRelease(InputEvent.BUTTON1_MASK);
sleep();
int colorX = dialogBounds.x + dialogBounds.width / 2;
int colorY = dialogBounds.y + dialogBounds.height / 2;
Color color = robot.getPixelColor(colorX, colorY);
dialog.dispose();
frame.dispose();
if (!DIALOG_COLOR.equals(color)) {
throw new RuntimeException("The frame is on top"
+ " of the modal dialog!");
}
} catch (Exception ex) {
throw new RuntimeException(ex);
}
}
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();
}
static void testSplash(ImageInfo test) throws Exception {
SplashScreen splashScreen = SplashScreen.getSplashScreen();
if (splashScreen == null) {
throw new RuntimeException("Splash screen is not shown!");
}
Graphics2D g = splashScreen.createGraphics();
Rectangle splashBounds = splashScreen.getBounds();
int screenX = (int) splashBounds.getCenterX();
int screenY = (int) splashBounds.getCenterY();
if(splashBounds.width != IMAGE_WIDTH){
throw new RuntimeException(
"SplashScreen#getBounds has wrong width");
}
if(splashBounds.height != IMAGE_HEIGHT){
throw new RuntimeException(
"SplashScreen#getBounds has wrong height");
}
Robot robot = new Robot();
Color splashScreenColor = robot.getPixelColor(screenX, screenY);
float scaleFactor = getScaleFactor();
Color testColor = (1 < scaleFactor) ? test.color2x : test.color1x;
if (!compare(testColor, splashScreenColor)) {
throw new RuntimeException(
"Image with wrong resolution is used for splash screen!");
}
}
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();
}
public static void main(String[] args) throws Exception {
Robot robot = new Robot();
robot.setAutoDelay(50);
SwingUtilities.invokeAndWait(() -> createAndShowGUI());
robot.waitForIdle();
SwingUtilities.invokeAndWait(() -> {
scale = frame.getGraphicsConfiguration().getDefaultTransform()
.getScaleX();
Point location = frame.getLocation();
Dimension size = frame.getSize();
centerX = location.x + size.width / 2;
centerY = location.y + size.height / 2;
});
robot.waitForIdle();
robot.mouseMove(centerX, centerY);
robot.mousePress(InputEvent.BUTTON1_MASK);
robot.waitForIdle();
Thread.sleep(100);
Color color = robot.getPixelColor(centerX, centerY);
robot.mouseRelease(InputEvent.BUTTON1_MASK);
SwingUtilities.invokeAndWait(() -> frame.dispose());
if ((scale == 1 && !similar(color, COLOR_1X))
|| (scale == 2 && !similar(color, COLOR_2X))) {
throw new RuntimeException("Colors are different!");
}
}
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();
}
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();
}
public static void main(String[] args) throws Exception {
// Windows only test
if (OSInfo.getOSType() == OSInfo.OSType.WINDOWS) {
// Retrieving top edge of Desktop
GraphicsConfiguration grConf = GraphicsEnvironment
.getLocalGraphicsEnvironment().getDefaultScreenDevice()
.getDefaultConfiguration();
Rectangle scrRect = grConf.getBounds();
Insets scrInsets = Toolkit.getDefaultToolkit().getScreenInsets(grConf);
scrTop = scrRect.y + scrInsets.top;
color = new Color(0, 255, 0);
SwingUtilities.invokeAndWait(() -> {
createAndShowUI();
});
try {
Robot robot = new Robot();
robot.setAutoDelay(500);
robot.setAutoWaitForIdle(true);
robot.delay(1000);
// Resizing a window to invoke Windows Snap feature
readFrameInfo();
robot.mouseMove(frLoc.x + frSize.width / 2, frLoc.y);
robot.mousePress(InputEvent.BUTTON1_MASK);
robot.mouseMove(frLoc.x + frSize.width / 2, scrTop);
robot.mouseRelease(InputEvent.BUTTON1_MASK);
// Retrieving the color of window expanded area
readFrameInfo();
Insets insets = frame.getInsets();
Color bgColor = robot.getPixelColor(frLoc.x + frSize.width / 2,
frLoc.y + frSize.height - insets.bottom - 1);
frame.dispose();
if (!bgColor.equals(color)) {
throw new RuntimeException("TEST FAILED: got "
+ bgColor + " instead of " + color);
}
System.out.println("TEST PASSED!");
} catch (AWTException ex) {
throw new RuntimeException("TEST FAILED!");
}
}
}
public static void main(String[] args) throws Exception {
// Windows only test
if (OSInfo.getOSType() == OSInfo.OSType.WINDOWS) {
// Retrieving top edge of Desktop
GraphicsConfiguration grConf = GraphicsEnvironment
.getLocalGraphicsEnvironment().getDefaultScreenDevice()
.getDefaultConfiguration();
Rectangle scrRect = grConf.getBounds();
Insets scrInsets = Toolkit.getDefaultToolkit().getScreenInsets(grConf);
scrTop = scrRect.y + scrInsets.top;
color = new Color(0, 255, 0);
SwingUtilities.invokeAndWait(() -> {
createAndShowUI();
});
try {
Robot robot = new Robot();
robot.setAutoDelay(500);
robot.setAutoWaitForIdle(true);
robot.delay(1000);
// Resizing a window to invoke Windows Snap feature
readFrameInfo();
robot.mouseMove(frLoc.x + frSize.width / 2, frLoc.y);
robot.mousePress(InputEvent.BUTTON1_MASK);
robot.mouseMove(frLoc.x + frSize.width / 2, scrTop);
robot.mouseRelease(InputEvent.BUTTON1_MASK);
// Retrieving the color of window expanded area
readFrameInfo();
Insets insets = frame.getInsets();
Color bgColor = robot.getPixelColor(frLoc.x + frSize.width / 2,
frLoc.y + frSize.height - insets.bottom - 1);
frame.dispose();
if (!bgColor.equals(color)) {
throw new RuntimeException("TEST FAILED: got "
+ bgColor + " instead of " + color);
}
System.out.println("TEST PASSED!");
} catch (AWTException ex) {
throw new RuntimeException("TEST FAILED!");
}
}
}
public static void main(String[] args) throws Exception {
// Windows only test
if (OSInfo.getOSType() == OSInfo.OSType.WINDOWS) {
// Retrieving top edge of Desktop
GraphicsConfiguration grConf = GraphicsEnvironment
.getLocalGraphicsEnvironment().getDefaultScreenDevice()
.getDefaultConfiguration();
Rectangle scrRect = grConf.getBounds();
Insets scrInsets = Toolkit.getDefaultToolkit().getScreenInsets(grConf);
scrTop = scrRect.y + scrInsets.top;
color = new Color(0, 255, 0);
SwingUtilities.invokeAndWait(() -> {
createAndShowUI();
});
try {
Robot robot = new Robot();
robot.setAutoDelay(500);
robot.setAutoWaitForIdle(true);
robot.delay(1000);
// Resizing a window to invoke Windows Snap feature
readFrameInfo();
robot.mouseMove(frLoc.x + frSize.width / 2, frLoc.y);
robot.mousePress(InputEvent.BUTTON1_MASK);
robot.mouseMove(frLoc.x + frSize.width / 2, scrTop);
robot.mouseRelease(InputEvent.BUTTON1_MASK);
// Retrieving the color of window expanded area
readFrameInfo();
Insets insets = frame.getInsets();
Color bgColor = robot.getPixelColor(frLoc.x + frSize.width / 2,
frLoc.y + frSize.height - insets.bottom - 1);
frame.dispose();
if (!bgColor.equals(color)) {
throw new RuntimeException("TEST FAILED: got "
+ bgColor + " instead of " + color);
}
System.out.println("TEST PASSED!");
} catch (AWTException ex) {
throw new RuntimeException("TEST FAILED!");
}
}
}
public static void main(String[] args) throws Exception {
// Windows only test
if (OSInfo.getOSType() == OSInfo.OSType.WINDOWS) {
// Retrieving top edge of Desktop
GraphicsConfiguration grConf = GraphicsEnvironment
.getLocalGraphicsEnvironment().getDefaultScreenDevice()
.getDefaultConfiguration();
Rectangle scrRect = grConf.getBounds();
Insets scrInsets = Toolkit.getDefaultToolkit().getScreenInsets(grConf);
scrTop = scrRect.y + scrInsets.top;
color = new Color(0, 255, 0);
SwingUtilities.invokeAndWait(() -> {
createAndShowUI();
});
try {
Robot robot = new Robot();
robot.setAutoDelay(500);
robot.setAutoWaitForIdle(true);
robot.delay(1000);
// Resizing a window to invoke Windows Snap feature
readFrameInfo();
robot.mouseMove(frLoc.x + frSize.width / 2, frLoc.y);
robot.mousePress(InputEvent.BUTTON1_MASK);
robot.mouseMove(frLoc.x + frSize.width / 2, scrTop);
robot.mouseRelease(InputEvent.BUTTON1_MASK);
// Retrieving the color of window expanded area
readFrameInfo();
Insets insets = frame.getInsets();
Color bgColor = robot.getPixelColor(frLoc.x + frSize.width / 2,
frLoc.y + frSize.height - insets.bottom - 1);
frame.dispose();
if (!bgColor.equals(color)) {
throw new RuntimeException("TEST FAILED: got "
+ bgColor + " instead of " + color);
}
System.out.println("TEST PASSED!");
} catch (AWTException ex) {
throw new RuntimeException("TEST FAILED!");
}
}
}
/**
* Tests whether screen pixel has the expected color performing several
* attempts. This method is useful for asynchronous window manager where
* it's impossible to determine when drawing actually takes place.
*
* @param x X position of pixel
* @param y Y position of pixel
* @param color expected color
* @param attempts number of attempts to undertake
* @param delay delay before each attempt
* @param robot a robot to use for retrieving pixel color
* @return true if pixel color matches the color expected, otherwise false
*/
public static boolean testPixelColor(int x, int y, final Color color, int attempts, int delay, final Robot robot) {
while (attempts-- > 0) {
robot.delay(delay);
Color screen = robot.getPixelColor(x, y);
if (screen.equals(color)) {
return true;
}
}
return false;
}
/**
* Tests whether screen pixel has the expected color performing several
* attempts. This method is useful for asynchronous window manager where
* it's impossible to determine when drawing actually takes place.
*
* @param x X position of pixel
* @param y Y position of pixel
* @param color expected color
* @param attempts number of attempts to undertake
* @param delay delay before each attempt
* @param robot a robot to use for retrieving pixel color
* @return true if pixel color matches the color expected, otherwise false
*/
public static boolean testPixelColor(int x, int y, final Color color, int attempts, int delay, final Robot robot) {
while (attempts-- > 0) {
robot.delay(delay);
Color screen = robot.getPixelColor(x, y);
if (screen.equals(color)) {
return true;
}
}
return false;
}
/**
* Tests whether screen pixel has the expected color performing several
* attempts. This method is useful for asynchronous window manager where
* it's impossible to determine when drawing actually takes place.
*
* @param x X position of pixel
* @param y Y position of pixel
* @param color expected color
* @param attempts number of attempts to undertake
* @param delay delay before each attempt
* @param robot a robot to use for retrieving pixel color
* @return true if pixel color matches the color expected, otherwise false
*/
public static boolean testPixelColor(int x, int y, final Color color, int attempts, int delay, final Robot robot) {
while (attempts-- > 0) {
robot.delay(delay);
Color screen = robot.getPixelColor(x, y);
if (screen.equals(color)) {
return true;
}
}
return false;
}