org.eclipse.birt.report.engine.nLayout.area.style.BackgroundImageInfo.java Source code

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Here is the source code for org.eclipse.birt.report.engine.nLayout.area.style.BackgroundImageInfo.java

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/***********************************************************************
 * Copyright (c) 2009 Actuate Corporation.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 * Actuate Corporation - initial API and implementation
 ***********************************************************************/

package org.eclipse.birt.report.engine.nLayout.area.style;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;

import org.eclipse.birt.report.engine.util.ResourceLocatorWrapper;
import org.eclipse.birt.report.engine.util.SvgFile;
import org.w3c.dom.css.CSSValue;

import com.lowagie.text.Image;

public class BackgroundImageInfo extends AreaConstants {
    protected int xOffset = 0;
    protected int yOffset = 0;
    protected int repeatedMode;
    protected int width = 0;
    protected int height = 0;
    protected String url;
    protected byte[] imageData;

    private Image image;

    private ResourceLocatorWrapper rl = null;

    public BackgroundImageInfo(String url, int repeatedMode, int xOffset, int yOffset, int height, int width,
            ResourceLocatorWrapper rl) {
        this.xOffset = xOffset;
        this.yOffset = yOffset;
        this.repeatedMode = repeatedMode;
        this.width = width;
        this.height = height;
        this.url = url;
        this.rl = rl;
        prepareImageByteArray();
    }

    public BackgroundImageInfo(BackgroundImageInfo bgi) {
        this.xOffset = bgi.xOffset;
        this.yOffset = bgi.yOffset;
        this.repeatedMode = bgi.repeatedMode;
        this.width = bgi.width;
        this.height = bgi.height;
        this.url = bgi.url;
        this.imageData = bgi.imageData;
        this.image = bgi.image;
        this.rl = bgi.rl;
    }

    public BackgroundImageInfo(String url, CSSValue mode, int xOffset, int yOffset, int height, int width,
            ResourceLocatorWrapper rl) {
        this(url, mode != null ? repeatMap.get(mode) : REPEAT, xOffset, yOffset, height, width, rl);
    }

    public BackgroundImageInfo(String url, int height, int width, ResourceLocatorWrapper rl) {
        this(url, 0, 0, 0, height, width, rl);
    }

    public void setResourceLocator(ResourceLocatorWrapper rl) {
        this.rl = rl;
    }

    private void prepareImageByteArray() {
        if (rl == null) {
            InputStream in = null;
            try {
                in = new URL(url).openStream();
                ByteArrayOutputStream out = new ByteArrayOutputStream();
                byte[] buffer = new byte[1024];
                int size = in.read(buffer);
                while (size != -1) {
                    out.write(buffer, 0, size);
                    size = in.read(buffer);
                }
                imageData = out.toByteArray();
                out.close();
            } catch (IOException ioe) {
                imageData = null;
                image = null;
                return;
            } finally {
                if (in != null) {
                    try {
                        in.close();
                    } catch (IOException e) {
                    }
                }
            }
        } else {
            try {
                imageData = rl.findResource(new URL(url));
            } catch (MalformedURLException mue) {
                imageData = null;
                image = null;
                return;
            }
        }

        try {

            image = Image.getInstance(imageData);
        } catch (Exception e) {
            try {
                imageData = SvgFile.transSvgToArray(new ByteArrayInputStream(imageData));
                image = Image.getInstance(imageData);
            } catch (Exception te) {
                imageData = null;
                image = null;
            }
        }

    }

    public Image getImageInstance() {
        return image;
    }

    public int getXOffset() {
        return xOffset;
    }

    public void setYOffset(int y) {
        this.yOffset = y;
    }

    public void setXOffset(int x) {
        this.xOffset = x;
    }

    public int getYOffset() {
        return yOffset;
    }

    public int getHeight() {
        return height;
    }

    public void setHeight(int height) {
        this.height = height;
    }

    public int getWidth() {
        return width;
    }

    public void setWidth(int width) {
        this.width = width;
    }

    public int getRepeatedMode() {
        return repeatedMode;
    }

    public String getUrl() {
        return url;
    }

    public byte[] getImageData() {
        return imageData;
    }

}