Revision 2171 org.gvsig.tools/library/trunk/org.gvsig.tools/org.gvsig.tools.swing/org.gvsig.tools.swing.impl/src/main/java/org/gvsig/tools/swing/impl/DefaultSimpleImage.java
| DefaultSimpleImage.java | ||
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package org.gvsig.tools.swing.impl; |
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import java.awt.Dimension; |
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import java.awt.Graphics2D; |
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import java.awt.Image; |
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import java.awt.MediaTracker; |
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import java.io.IOException; |
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import java.io.InputStream; |
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import java.net.URL; |
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import java.util.Iterator; |
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import javax.imageio.ImageIO; |
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import javax.imageio.ImageReader; |
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import javax.imageio.stream.ImageInputStream; |
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import javax.swing.ImageIcon; |
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import org.apache.commons.codec.DecoderException; |
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import org.apache.commons.codec.binary.Base64; |
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* |
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* @author jjdelcerro |
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*/ |
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@SuppressWarnings("UseSpecificCatch")
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public class DefaultSimpleImage implements SimpleImage {
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BufferedImage image = null; |
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private BufferedImage image; |
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private Object source; |
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private Dimension dimensions; |
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public static BufferedImage toBufferedImage(Image img) {
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if( img == null ) {
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throw new IllegalArgumentException("null image.");
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} |
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if (img instanceof BufferedImage) {
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return (BufferedImage) img; |
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} |
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} |
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public DefaultSimpleImage() {
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this.image = null; |
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this.dimensions = null; |
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this.source = null; |
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} |
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public DefaultSimpleImage(BufferedImage image) {
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this(); |
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this.image = image; |
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this.source = image; |
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} |
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public DefaultSimpleImage(Object source) {
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this.image = this.load(source); |
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this(); |
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this.source = source; |
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} |
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public boolean isEmpty() {
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return this.image == null; |
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public void clean() {
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this.image = null; |
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this.dimensions = null; |
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this.source = null; |
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} |
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@Override |
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public BufferedImage getBufferedImage() {
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if( this.image == null ) {
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Dimension dim = new Dimension(); |
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this.image = this.load(source, dim); |
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this.dimensions = dim; |
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} |
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return this.image; |
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} |
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@Override |
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public boolean isEmpty() {
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return this.image == null && this.source==null ; |
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} |
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@Override |
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public void set(BufferedImage image) {
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this.image = image; |
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this.source = image; |
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} |
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@Override |
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public void set(Object source) {
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this.image = this.load(source); |
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this.image = null; |
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this.source = source; |
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} |
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private BufferedImage load(Object source) {
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private BufferedImage load(Object source, Dimension dimensions) {
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BufferedImage theImage = null; |
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try {
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if (source instanceof BufferedImage) {
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return (BufferedImage) source;
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theImage = (BufferedImage) source;
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} else if (source instanceof ImageIcon ) {
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ImageIcon icon = (ImageIcon)source; |
| ... | ... | |
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if( loadStatus != MediaTracker.COMPLETE ) {
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icon.getDescription(); |
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} |
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return toBufferedImage(icon.getImage());
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theImage = toBufferedImage(icon.getImage());
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} else if (source instanceof Image) {
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return toBufferedImage((Image) source);
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theImage = toBufferedImage((Image) source);
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} else if (source instanceof byte[]) {
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ByteArrayInputStream is = new ByteArrayInputStream((byte[]) source); |
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IOUtils.closeQuietly(is); |
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} |
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} catch (IOException ex) {
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ex.printStackTrace(); |
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return null; |
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} |
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if( theImage!=null && dimensions!=null ) {
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dimensions.width = theImage.getWidth(); |
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dimensions.height = theImage.getHeight(); |
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} |
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return theImage; |
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} |
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private Dimension loadDimensions(Object source) {
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try {
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ImageInputStream in = ImageIO.createImageInputStream(source); |
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Iterator<ImageReader> readers = ImageIO.getImageReaders(in); |
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if (readers!=null && readers.hasNext()) {
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ImageReader reader = readers.next(); |
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try {
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reader.setInput(in); |
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return new Dimension(reader.getWidth(0), reader.getHeight(0)); |
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} finally {
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reader.dispose(); |
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} |
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} |
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Dimension dim = new Dimension(); |
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this.image = this.load(source, dim); |
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return dim; |
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} catch (IOException ex) {
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throw new RuntimeException("Can't load dimensions of the image.", ex);
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} |
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} |
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@Override |
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public int getWidth() {
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return this.image.getWidth(); |
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if( this.dimensions == null ) {
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this.dimensions = this.loadDimensions(source); |
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} |
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return this.dimensions.width; |
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} |
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@Override |
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public int getHeight() {
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return this.image.getHeight(); |
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if( this.dimensions == null ) {
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this.dimensions = this.loadDimensions(source); |
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} |
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return this.dimensions.height; |
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} |
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@Override |
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public DefaultSimpleImage resize(double factor) {
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BufferedImage theImage = this.getBufferedImage(); |
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int w = theImage.getWidth(); |
| ... | ... | |
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return new DefaultSimpleImage(newImage); |
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} |
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@Override |
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public DefaultSimpleImage resize(int width, int height) {
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BufferedImage theImage = this.getBufferedImage(); |
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int w = theImage.getWidth(); |
| ... | ... | |
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return new DefaultSimpleImage(newImage); |
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} |
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@Override |
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public DefaultSimpleImage rotate(int angle) {
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BufferedImage theImage = this.getBufferedImage(); |
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int w = theImage.getWidth(); |
| ... | ... | |
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return new DefaultSimpleImage(newImage); |
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} |
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@Override |
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public DefaultSimpleImage horizontalflip() {
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BufferedImage img = this.getBufferedImage(); |
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int w = img.getWidth(); |
| ... | ... | |
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return new DefaultSimpleImage(newImage); |
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} |
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@Override |
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public DefaultSimpleImage verticalflip() {
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BufferedImage img = this.getBufferedImage(); |
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int w = img.getWidth(); |
| ... | ... | |
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return new DefaultSimpleImage(newImage); |
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} |
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@Override |
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public DefaultSimpleImage transform(AffineTransform transform, int width, int height) {
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BufferedImage img = this.getBufferedImage(); |
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BufferedImage newImage = new BufferedImage(width, height, img.getColorModel().getTransparency()); |
| ... | ... | |
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return new DefaultSimpleImage(newImage); |
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} |
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@Override |
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public DefaultSimpleImage transform(AffineTransform transform) {
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BufferedImage img = this.getBufferedImage(); |
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int w = img.getWidth(); |
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