在RFT中如何截取屏幕图像并保存到文件中？

在RFT中，如何截取屏幕图像并保存到文件中？下面的脚本实现了3种类型的图像截取，包括截取整个屏幕的图像、截取指定区域的图像、截取某个测试对象的图像：

public void testMain(Object[] args)

{

// TODO 在此插入代码

captureScreen("C://temp1.jpg");

captureScreen("C://temp2.jpg",100,100,100,100);

startApp("calc");

计算器window().waitForExistence();

计算器window().activate();

captureScreen("C://temp3.jpg",(TestObject)计算器window());

}

截取整个屏幕的图像：

public static void captureScreen(String filename)

{

Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();

int width = screenSize.width;

int height = screenSize.height;

doScreenCapture(filename, 0, 0, width, height);

}

截取指定的区域图像：

public static void captureScreen(String filename, int x, int y, int width, int height)

{

doScreenCapture (filename, x, y, width, height);

}

截取指定测试对象的图像：

public static void captureScreen(String filename, TestObject to)

{

Rectangle r = null;

//html

if (to.getProperties().containsKey(".bounds"))

r = (Rectangle)to.getProperty(".bounds");

//win

else if (to.getProperties().containsKey(".screenRectangle"))

r = (Rectangle)to.getProperty(".screenRectangle");

//swing

else if (to.getProperties().containsKey("bounds"))

{

r = (Rectangle)to.getProperty("bounds");

java.awt.Point point = null;

if (to.getProperties().containsKey("location")) //swt

point = (Point)to.getProperty("location");

else

point = (Point)to.getProperty("locationOnScreen");

if (point != null)

r.setLocation(point);

}

else

{

System.out.println("Error in captureScreen: could not capture test object");

return;

}

doScreenCapture(filename, r.x, r.y, r.width, r.height);

}

protected static void doScreenCapture (String filename, int x, int y, int width, int height)

{

try {

BufferedImage capture = null;

Rectangle area = new Rectangle(x, y, width, height);

Robot robot = new Robot();

capture = robot.createScreenCapture(area);

FileOutputStream out =

new FileOutputStream(filename);

JPEGImageEncoder encoder =

JPEGCodec.createJPEGEncoder(out);

encoder.encode(capture);

out.flush();

out.close();

}

catch (Exception e) {

System.out.println("Error in BitmapOps#doScreen: error capturing image: " + e);

}

}

}