http://jexp.ru/index.php?action=history&feed=atom&title=Java_Tutorial%2F2D_Graphics%2FImageReader 2026-04-09T16:38:56Z История изменений этой страницы в вики MediaWiki 1.30.0 http://jexp.ru/index.php?title=Java_Tutorial/2D_Graphics/ImageReader&diff=3464&oldid=prev 2010-05-31T17:44:26Z

<p></p> <table class="diff diff-contentalign-left" data-mw="interface"> <tr style="vertical-align: top;" lang="ru"> <td colspan="1" style="background-color: white; color:black; text-align: center;">← Предыдущая</td> <td colspan="1" style="background-color: white; color:black; text-align: center;">Версия 17:44, 31 мая 2010</td> </tr><tr><td colspan="2" style="text-align: center;" lang="ru"><div class="mw-diff-empty">(нет различий)</div> </td></tr></table>

http://jexp.ru/index.php?title=Java_Tutorial/2D_Graphics/ImageReader&diff=3465&oldid=prev 2010-05-31T15:24:45Z

<p>1 версия</p> <p><b>Новая страница</b></p><div>== Show Image with ImageReader ==<br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> &lt;!-- start source code --&gt;<br /> <br /> &lt;source lang=&quot;java&quot;&gt;<br /> import java.awt.Graphics;<br /> import java.awt.Panel;<br /> import java.awt.image.BufferedImage;<br /> import java.io.FileInputStream;<br /> import java.util.Iterator;<br /> import javax.imageio.ImageIO;<br /> import javax.imageio.ImageReader;<br /> import javax.imageio.stream.ImageInputStream;<br /> import javax.swing.JFrame;<br /> public class Main extends Panel{<br /> private BufferedImage images[];<br /> private int imageIndex = 0;<br /> public Main(String filename) throws Exception{<br /> FileInputStream fin = new FileInputStream(filename);<br /> String suffix = filename.substring(filename.lastIndexOf(&quot;.&quot;) + 1);<br /> System.out.println(&quot;suf &quot; + suffix);<br /> Iterator readers = ImageIO.getImageReadersBySuffix(suffix);<br /> ImageReader imageReader = (ImageReader) readers.next();<br /> ImageInputStream iis = ImageIO.createImageInputStream(fin);<br /> imageReader.setInput(iis, false);<br /> int num = imageReader.getNumImages(true);<br /> images = new BufferedImage[num];<br /> for (int i = 0; i &lt; num; ++i) {<br /> images[i] = imageReader.read(i);<br /> }<br /> fin.close();<br /> }<br /> public void paint(Graphics g) {<br /> if (images == null)<br /> return;<br /> g.drawImage(images[imageIndex], 0, 0, null);<br /> imageIndex = (imageIndex + 1) % images.length;<br /> }<br /> static public void main(String args[]) throws Exception {<br /> JFrame frame = new JFrame(&quot;ShowImageIR.java&quot;);<br /> Panel panel = new Main(args[0]);<br /> frame.getContentPane().add(panel);<br /> frame.setSize(400, 400);<br /> frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);<br /> frame.setVisible(true);<br /> }<br /> }&lt;/source&gt;<br /> <br /> <br /> &lt;!-- end source code --&gt;</div>

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