com.vilt.minium.impl.debug.ElementsScreenshotInteraction.java Source code

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Here is the source code for com.vilt.minium.impl.debug.ElementsScreenshotInteraction.java

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/*
 * Copyright (C) 2013 The Minium Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.vilt.minium.impl.debug;

import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;
import java.io.OutputStream;

import javax.imageio.ImageIO;

import org.openqa.selenium.OutputType;
import org.openqa.selenium.Point;
import org.openqa.selenium.WebElement;

import com.vilt.minium.CoreWebElements;
import com.vilt.minium.WebElementsDriver;
import com.vilt.minium.impl.WebElementsDriverProvider;

/**
 * The Class ElementsScreenshotInteraction.
 */
public class ElementsScreenshotInteraction extends ScreenshotInteraction {

    /**
     * Instantiates a new elements screenshot interaction.
     *
     * @param elems the elems
     * @param stream the stream
     */
    public ElementsScreenshotInteraction(CoreWebElements<?> elems, OutputStream stream) {
        super(elems, stream);
    }

    /* (non-Javadoc)
     * @see com.vilt.minium.actions.DefaultInteraction#doPerform()
     */
    @Override
    protected void doPerform() {
        try {
            WebElement elem = getFirstElement();

            Point p = elem.getLocation();
            int width = elem.getSize().getWidth();
            int height = elem.getSize().getHeight();

            CoreWebElements<?> coreWebElements = getSource();
            WebElementsDriver<?> webDriver = coreWebElements.as(WebElementsDriverProvider.class).webDriver();
            byte[] screenshot = webDriver.getScreenshotAs(OutputType.BYTES);

            BufferedImage img = null;

            img = ImageIO.read(new ByteArrayInputStream(screenshot));
            BufferedImage dest = img.getSubimage(p.getX(), p.getY(), width, height);

            ImageIO.write(dest, "png", stream);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

}