Java Code Examples for java.awt.Rectangle.intersect()

The following are Jave code examples for showing how to use intersect() of the java.awt.Rectangle class. You can vote up the examples you like. Your votes will be used in our system to get more good examples.

Example 1

Project: jdk8u-jdk File: SourceClippingBlitTest.java Source Code and License

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public void test(Rectangle srcRect, Rectangle dstRect) {
    int w = getWidth();
    int h = getHeight();
    Toolkit.getDefaultToolkit().sync();
    try {
        Thread.sleep(2000);
    } catch (InterruptedException ex) {}
    Point p = getLocationOnScreen();
    grabbedBI = robot.createScreenCapture(new Rectangle(p.x, p.y, w, h));

    // calculate the destination rectangle
    Rectangle srcBounds = srcRect.intersection(IMAGE_BOUNDS);
    int trX = dstRect.x - srcRect.x;
    int trY = dstRect.y - srcRect.y;
    Rectangle newDstRect = (Rectangle)dstRect.clone();
    newDstRect.translate(-trX, -trY);
    Rectangle.intersect(newDstRect, srcBounds, newDstRect);
    newDstRect.translate(trX, trY);
    Rectangle.intersect(newDstRect, new Rectangle(0, 0, w, h), newDstRect);

    System.out.println("calculated dest rect:" + newDstRect);

    // we do implicit clipping of the destination surface
    // by only checking pixels within its bounds
    for (int y = 0; y < h; y++) {
        for (int x = 0; x < w; x++) {
            int rgb = 0;
            if (newDstRect.contains(x, y)) {
                rgb = Color.red.getRGB();
            } else {
                rgb = Color.green.getRGB();
            }
            if (grabbedBI.getRGB(x, y) != rgb) {
                String msg1 = "Test failed at x="+x+" y="+y;
                System.out.println(msg1);
                System.out.println(" expected: "+Integer.toHexString(rgb)+
                        " got:"+Integer.toHexString(grabbedBI.getRGB(x, y)));
                throw new RuntimeException(msg1);
            }
        }
    }
    System.out.println("subtest passed");
}

Example 2

Project: openjdk-jdk10 File: SourceClippingBlitTest.java Source Code and License

Vote up

4 votes

public void test(Rectangle srcRect, Rectangle dstRect) {
    int w = getWidth();
    int h = getHeight();
    Toolkit.getDefaultToolkit().sync();
    try {
        Thread.sleep(2000);
    } catch (InterruptedException ex) {}
    Point p = getLocationOnScreen();
    grabbedBI = robot.createScreenCapture(new Rectangle(p.x, p.y, w, h));

    // calculate the destination rectangle
    Rectangle srcBounds = srcRect.intersection(IMAGE_BOUNDS);
    int trX = dstRect.x - srcRect.x;
    int trY = dstRect.y - srcRect.y;
    Rectangle newDstRect = (Rectangle)dstRect.clone();
    newDstRect.translate(-trX, -trY);
    Rectangle.intersect(newDstRect, srcBounds, newDstRect);
    newDstRect.translate(trX, trY);
    Rectangle.intersect(newDstRect, new Rectangle(0, 0, w, h), newDstRect);

    System.out.println("calculated dest rect:" + newDstRect);

    // we do implicit clipping of the destination surface
    // by only checking pixels within its bounds
    for (int y = 0; y < h; y++) {
        for (int x = 0; x < w; x++) {
            int rgb = 0;
            if (newDstRect.contains(x, y)) {
                rgb = Color.red.getRGB();
            } else {
                rgb = Color.green.getRGB();
            }
            if (grabbedBI.getRGB(x, y) != rgb) {
                String msg1 = "Test failed at x="+x+" y="+y;
                System.out.println(msg1);
                System.out.println(" expected: "+Integer.toHexString(rgb)+
                        " got:"+Integer.toHexString(grabbedBI.getRGB(x, y)));
                throw new RuntimeException(msg1);
            }
        }
    }
    System.out.println("subtest passed");
}