ru.yandex.qatools.ashot.cropper.DefaultCropper Maven / Gradle / Ivy

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package ru.yandex.qatools.ashot.cropper;

import ru.yandex.qatools.ashot.Screenshot;
import ru.yandex.qatools.ashot.coordinates.Coords;

import java.awt.*;
import java.awt.image.BufferedImage;
import java.util.Set;

/**
 * @author Pavel Zorin
 */

public class DefaultCropper extends ImageCropper {

    @Override
    public Screenshot cropScreenshot(BufferedImage image, Set coordsToCompare) {
        Coords cropArea = Coords.unity(coordsToCompare);

        Coords imageIntersection = Coords.ofImage(image).intersection(cropArea);

        if (imageIntersection.isEmpty()) {
            return new Screenshot(image);
        }

        BufferedImage cropped = new BufferedImage(imageIntersection.width, imageIntersection.height, image.getType());
        Graphics g = cropped.getGraphics();
        g.drawImage(
                image,
                0, 0,
                imageIntersection.width, imageIntersection.height,
                cropArea.x, cropArea.y,
                cropArea.x + imageIntersection.width, cropArea.y + imageIntersection.height,
                null
        );
        g.dispose();
        Screenshot screenshot = new Screenshot(cropped);
        screenshot.setCoordsToCompare(Coords.setReferenceCoords(cropArea, coordsToCompare));
        return screenshot;
    }

    protected Coords createCropArea(Set coordsToCompare) {
        return Coords.unity(coordsToCompare);
    }
}