diff options
Diffstat (limited to 'j2kviewer/src/ImageViewer.java')
| -rw-r--r-- | j2kviewer/src/ImageViewer.java | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/j2kviewer/src/ImageViewer.java b/j2kviewer/src/ImageViewer.java new file mode 100644 index 00000000..1eabc60d --- /dev/null +++ b/j2kviewer/src/ImageViewer.java @@ -0,0 +1,222 @@ +import java.awt.*; +import java.awt.event.*; +import javax.swing.*; +import java.awt.image.*; +import java.awt.geom.*; +import java.net.URL; +import javax.swing.border.*; +import java.util.*; +import java.io.*; + +public class ImageViewer extends JApplet +{ + private class zoomLevel { + int x1, y1, x2, y2, zf; + + zoomLevel() {} + zoomLevel(zoomLevel zl) + { + x1 = zl.x1; + y1 = zl.y1; + x2 = zl.x2; + y2 = zl.y2; + zf = zl.zf; + } + } + + private BufferedImage bi; + private Graphics2D big; + private MML myMML; + private int iw, ih; + private int selected = 0, imgId; + private Image img; + private PgmImage pgm = new PgmImage(); + private String cmdline = new String(); + private static String hostname; + private static boolean isApplet = true; + private boolean fullRefresh = false; + private Point offset = new Point(0,0); + private zoomLevel zl = new zoomLevel(); + private Rectangle rect = new Rectangle(); + private Stack zoomStack = new Stack(); + private static String j2kfilename; + + public int getX() { return offset.x; } + public int getY() { return offset.y; } + public int getWidth() { return iw; } + public int getHeight() { return ih; } + + public void destroy() + { + } + + public void zoomIn() + { + Dimension asz = this.getSize(); + int maxzf = 3; + int coef = 1; + int r; + + cmdline = + "/bin/sh get.sh " + j2kfilename + " " + iw + + " " + ih + " " + rect.x + " " + rect.y + " " + + rect.width + " " + rect.height; + Exec.execPrint(cmdline); + + rect.x = rect.y = rect.width = rect.height = 0; + + img = pgm.open("out.pgm"); + + iw = img.getWidth(this); + ih = img.getHeight(this); + bi = new BufferedImage(iw, ih, BufferedImage.TYPE_INT_RGB); + big = bi.createGraphics(); + selected = 0; + fullRefresh = true; + repaint(); + } + + public void zoomOut() + { + } + + public void init() + { + String str; + int port; + + imgId = 4; + if (isApplet && (((hostname = this.getParameter("hostname")) == null) + || hostname.equals(""))) + hostname = "localhost"; + if (!isApplet || ((str = this.getParameter("cmdPort")) == null)) { + port = 3000; + } else { + port = new Integer(str).intValue(); + } + + this.setSize(512, 512); + Dimension asz = this.getSize(); + zl.x2 = asz.width; + zl.y2 = asz.height; + + cmdline = + "/bin/sh get.sh " + j2kfilename + " " + asz.width + + " " + asz.height + " " + zl.x1 + " " + zl.y1 + " " + + zl.x2 + " " + zl.y2; + Exec.execPrint(cmdline); + img = pgm.open("out.pgm"); + + iw = img.getWidth(this); + ih = img.getHeight(this); + + setBackground(Color.black); + bi = new BufferedImage(iw, ih, BufferedImage.TYPE_INT_RGB); + big = bi.createGraphics(); + myMML = new MML(this); + addMouseListener(myMML); + addMouseMotionListener(myMML); + } + + public void setSelected(int state) + { + if (state != selected) { + selected = state; + repaint(); + } + } + + public boolean isInsideRect(int x, int y) + { + return rect.contains(x - offset.x, y - offset.y); + } + + public void setRGeom(int x1, int y1, int x2, int y2) + { + rect.x = Math.min(x1,x2) - offset.x; + rect.y = Math.min(y1,y2) - offset.y; + rect.width = Math.abs(x2-x1); + rect.height = Math.abs(y2-y1); + } + + public void paint(Graphics g) + { + Graphics2D g2 = (Graphics2D) g; + Dimension asz = this.getSize(); + + if (fullRefresh) { + g2.clearRect(0, 0, asz.width, asz.height); + fullRefresh = false; + } + g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, + RenderingHints.VALUE_ANTIALIAS_ON); + g2.setRenderingHint(RenderingHints.KEY_RENDERING, + RenderingHints.VALUE_RENDER_QUALITY); + big.setColor(Color.black); + offset.x = (int) (asz.width - iw) / 2; + offset.y = (int) (asz.height - ih) / 2; + big.drawImage(img, 0, 0, this); + big.setPaint(Color.red); + if ((rect.width > 0) && (rect.height > 0)) + big.draw(rect); + if (selected == 1) + shadeExt(big, 0, 0, 0, 64); + else if (selected == 2) { + shadeExt(big, 0, 0, 0, 255); + selected = 1; + } + g2.drawImage(bi, offset.x, offset.y, this); + } + + private void shadeRect(Graphics2D g2, int r, int g, int b, int a) + { + g2.setPaint(new Color(r, g, b, a)); + g2.fillRect(rect.x + 1, rect.y + 1, rect.width - 1, rect.height - 1); + } + + private void shadeExt(Graphics2D g2, int r, int g, int b, int a) + { + g2.setPaint(new Color(r, g, b, a)); + g2.fillRect(0, 0, iw, rect.y); /* _N_ */ + g2.fillRect(rect.x + rect.width + 1, rect.y, + iw - rect.x - rect.width - 1, rect.height + 1); /* E */ + g2.fillRect(0, rect.y, rect.x, rect.height + 1); /* W */ + g2.fillRect(0, rect.y + rect.height + 1, + iw, ih - rect.y - rect.height - 1); /* _S_ */ + } + + protected URL getURL(String filename) + { + URL codeBase = this.getCodeBase(); + URL url = null; + + try { + url = new URL(codeBase, filename); + } catch (java.net.MalformedURLException e) { + System.out.println("Couldn't create image: badly specified URL"); + return null; + } + + return url; + } + + public static void main(String s[]) + { + if (s.length > 0) + j2kfilename = s[0]; + else + j2kfilename = "girl"; + System.out.println(j2kfilename); + isApplet = false; + JFrame f = new JFrame("ImageViewer"); + f.addWindowListener(new WindowAdapter() { + public void windowClosing(WindowEvent e) {System.exit(0);} + }); + JApplet applet = new ImageViewer(); + f.getContentPane().add("Center", applet); + applet.init(); + f.pack(); + f.setSize(new Dimension(550,550)); + f.show(); + } +} |