2003/09/23 08:24:59

[org.ibex.core.git] / src / org / xwt / ImageDecoder.java

diff --git a/src/org/xwt/ImageDecoder.java b/src/org/xwt/ImageDecoder.java
deleted file mode 100644 (file)
index 3a4fb6e..0000000
--- a/src/org/xwt/ImageDecoder.java
+++ /dev/null
@@ -1,111 +0,0 @@
-// Copyright 2003 Adam Megacz, see the COPYING file for licensing [GPL] 
-package org.xwt;
-import java.io.*;
-import org.xwt.js.*;
-import org.xwt.util.*;
-import org.xwt.translators.*;
-
-/** Interface implemented by classes capable of decoding an image file into an int[] */
-public abstract class ImageDecoder {
-    
-    /** returns the width of the image */
-    public abstract int getWidth();
-
-    /** returns the height of the image */
-    public abstract int getHeight();
-
-    /** returns the data of the image, as an array of 32-bit AARRGGBB samples */
-    public abstract int[] getData();
-
-    /** loads the image described by string str, possibly blocking for a network load */
-    public static ImageDecoder getImageDecoder(String str, final JS.Callable callback) {
-
-        if (str.indexOf(':') == -1) {
-            String s = str;
-            byte[] b = Resources.getResource(Resources.resolve(s + ".png", null));
-            if (b != null) return PNG.decode(new ByteArrayInputStream(b), str);
-            b = Resources.getResource(Resources.resolve(s + ".jpeg", null));
-            if (b != null) return Platform.decodeJPEG(new ByteArrayInputStream(b), str);
-            return null;
-            
-        } else {
-            java.lang.Thread thread = java.lang.Thread.currentThread();
-            if (!(thread instanceof ThreadMessage)) {
-                if (Log.on) Log.log(Box.class, "HTTP images can not be loaded from the foreground thread");
-                return null;
-            }
-            // FIXME: use primitives here
-            ThreadMessage mythread = (ThreadMessage)thread;
-            mythread.setPriority(java.lang.Thread.MIN_PRIORITY);
-            mythread.done.release();
-            try {
-                HTTP http = new HTTP(str);
-                final HTTP.HTTPInputStream in = http.GET();
-                final int contentLength = in.getContentLength();
-                InputStream is = new FilterInputStream(in) {
-                        int bytesDownloaded = 0;
-                        boolean clear = true;
-                        public int read() throws IOException {
-                            bytesDownloaded++;
-                            return super.read();
-                        }
-                        public int read(byte[] b, int off, int len) throws IOException {
-                            int ret = super.read(b, off, len);
-                            if (ret != -1) bytesDownloaded += ret;
-                            if (clear && callback != null) {
-                                clear = false;
-                                ThreadMessage.newthread(new JS.Callable() {
-                                        public Object call(JS.Array args_) throws JS.Exn {
-                                            try {
-                                                JS.Array args = new JS.Array();
-                                                args.addElement(new Double(bytesDownloaded));
-                                                args.addElement(new Double(contentLength));
-                                                callback.call(args);
-                                            } finally {
-                                                clear = true;
-                                            }
-                                            return null;
-                                        }
-                                    });
-                            }
-                            return ret;
-                        }
-                    };
-
-                if (str.endsWith(".gif")) return GIF.decode(is, str);
-                else if (str.endsWith(".jpeg") || str.endsWith(".jpg")) return Platform.decodeJPEG(is, str);
-                else return PNG.decode(is, str);
-
-            } catch (IOException e) {
-                if (Log.on) Log.log(Box.class, "error while trying to load an image from " + str);
-                if (Log.on) Log.log(Box.class, e);
-                return null;
-
-            } finally {
-                MessageQueue.add(mythread);
-                mythread.setPriority(java.lang.Thread.NORM_PRIORITY);
-                mythread.go.block();
-            }
-        }
-    }
-
-    /** gets an Image using getImage(), adds it to the cache, and creates a Picture from it */
-    public static Picture getPicture(String os) {
-        Picture ret = null;
-        ret = (Picture)pictureCache.get(os);
-        if (ret != null) return ret;
-        ImageDecoder id = ImageDecoder.getImageDecoder(os, null);
-        if (id == null) return null;
-        ret = Platform.createPicture(id);
-        pictureCache.put(os, ret);
-        imageToNameMap.put(ret, os);
-        return ret;
-    }
-
-    /** caches images, keyed on resource name or url */
-    public static Hash pictureCache = new Hash();
-
-    /** stores image names, keyed on image object */
-    static Hash imageToNameMap = new Hash();
-
-}