From ba143aff264ef5fa76ec48d1cdbbfffa17e4a527 Mon Sep 17 00:00:00 2001
From: david <david@xwt.org>
Date: Fri, 30 Jan 2004 07:43:01 +0000
Subject: [PATCH] 2003/12/17 04:13:27

darcs-hash:20040130074301-0c9ea-229587e3c0bb093604e08f116092f7f7431c0a7c.gz
---
 src/org/xwt/Box.java     |   26 ++++++++------------------
 src/org/xwt/Picture.java |   24 +++++++++++++++++++++++-
 src/org/xwt/XWT.java     |    2 ++
 3 files changed, 33 insertions(+), 19 deletions(-)

diff --git a/src/org/xwt/Box.java b/src/org/xwt/Box.java
index d6bb5f5..6f96cc2 100644
--- a/src/org/xwt/Box.java
+++ b/src/org/xwt/Box.java
@@ -132,7 +132,7 @@ public final class Box extends JSScope implements Scheduler.Task {
 
     private String text = null;
     private Font font = DEFAULT_FONT; 
-    private Picture texture;
+    private Picture texture = null;
     private short strokewidth = 1;
     private int fillcolor = 0x00000000;
     private int strokecolor = 0xFF000000;
@@ -168,7 +168,13 @@ public final class Box extends JSScope implements Scheduler.Task {
 
 
     /** invoked when a resource needed to render ourselves finishes loading */
-    public void perform() {
+    public void perform() throws JSExn {
+        // as external events have occured, check the state of box
+        if (texture != null) {
+           if (texture.isLoaded) { minwidth = texture.width; minheight = texture.height; }
+           else { Res res = texture.res; texture = null; throw new JSExn("image not found: "+res); }
+        }
+
         MARK_REPACK;
         MARK_REFLOW;
         MARK_RESIZE;
@@ -572,23 +578,7 @@ public final class Box extends JSScope implements Scheduler.Task {
         }
         if (!(value instanceof Res)) return;
 
-
-        // FIXME
         texture = Picture.load((Res)value, this);
-        if (texture.isLoaded) {
-            minwidth = texture.width;
-            minheight = texture.height;
-            MARK_REFLOW;
-            dirty();
-            return;
-        }
-        texture = Picture.load((Res)value, new Scheduler.Task() { public void perform() {
-            // FIXME pass this instead of a new Task?
-            minwidth = texture.width;
-            minheight = texture.height;
-            Box b = Box.this; MARK_REFLOW_b;
-            dirty();
-        } });
     }
         
     private void mouseEvent(String name, Object value) {
diff --git a/src/org/xwt/Picture.java b/src/org/xwt/Picture.java
index f0eafec..2bffb65 100644
--- a/src/org/xwt/Picture.java
+++ b/src/org/xwt/Picture.java
@@ -33,8 +33,29 @@ public class Picture {
         final Picture p = ret;
         if (!ret.isLoaded && callback != null)
             new java.lang.Thread() { public void run() {
+                // get the InputStream for the image
+                InputStream in = null;
+                try { in = r.getInputStream(); }
+                catch (IOException e) {
+                    in = null;
+                    if (r instanceof Res.Ref) {
+                        // add extensions to the resource, looking for the image
+                        Res.Ref ref = (Res.Ref)r;
+                        Res newr;
+
+                        String[] exts = new String[] { ".png", ".jpg", ".jpeg", ".gif" };
+                        for (int i=0; i < exts.length && in == null; i++) {
+                            newr = ref.addExtension(exts[i]);
+                            try { in = newr.getInputStream(); }
+                            catch (IOException f) { in = null; }
+                        }
+                    }
+                }
+
+                if (in == null) return; // could not find image
+
                 try {
-                    PushbackInputStream pbis = new PushbackInputStream(r.getInputStream());
+                    PushbackInputStream pbis = new PushbackInputStream(in);
                     int firstByte = pbis.read();
                     if (firstByte == -1) throw new JSExn("empty stream reading image");
                     pbis.unread(firstByte);
@@ -48,6 +69,7 @@ public class Picture {
                     Log.log(this, e);
                 }
             } }.start();
+
         return ret;
     }
 }
diff --git a/src/org/xwt/XWT.java b/src/org/xwt/XWT.java
index 3f4cc54..fe306af 100644
--- a/src/org/xwt/XWT.java
+++ b/src/org/xwt/XWT.java
@@ -178,6 +178,8 @@ public final class XWT extends JS {
                     break;
             }
         } catch (RuntimeException e) {
+            // FIXME: maybe JSExn should take a second argument, Exception
+            Log.log(this, "xwt."+name+"() threw: "+e);
             throw new JSExn("invalid argument for xwt object method "+name+"()");
         }
 
-- 
1.7.10.4