X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=src%2Forg%2Fxwt%2FPicture.java;h=426266cb911111a21aade82e0762bc124ce71ba6;hb=c2a138c3882a4bd8dce0212ac59765af5cb126c6;hp=38f9c0a73b74ef7cd444b2fc9e476d912ef7a91b;hpb=214fe5c02d3f0fb9c3c61128a100e6a3cb01668e;p=org.ibex.core.git diff --git a/src/org/xwt/Picture.java b/src/org/xwt/Picture.java index 38f9c0a..426266c 100644 --- a/src/org/xwt/Picture.java +++ b/src/org/xwt/Picture.java @@ -30,35 +30,45 @@ public abstract class Picture { public abstract int getWidth(); /** Pictures, cache keyed by Res instance */ - private static Cache cache = new Cache(); + private static Cache cache = new Cache(100); private static GIF gif = new GIF(); - // FIXME: return a Picture that gets filled in later + public static class Holder { + public Picture picture = null; + } + /** turns a resource into a Picture.Source and passes it to the callback */ - public static Picture fromRes(final Res r, final Callback callback) { - Picture ret = (Picture)cache.get(r); - if (ret != null) return ret; - try { - Platform.inputStreamToByteArray(r.getInputStream(), new Callback() { public Object call(Object o) { + public static Holder fromRes(final Res r, final Scheduler.Task callback) { + Holder ret = (Holder)cache.get(r); + if (ret == null) { + ret = new Holder(); + cache.put(r, ret); + if (callback == null) return null; + } + final Holder holder = ret; + if (callback != null) + new java.lang.Thread() { public void run() { try { - Picture ret = null; - byte[] b = (byte[])o; - InputStream pbis = new ByteArrayInputStream(b); - if ((b[0] & 0xff) == 'G') ret = gif.fromInputStream(pbis, r.getDescriptiveName()); - else if ((b[0] & 0xff) == 137) ret = new PNG().fromInputStream(pbis, r.getDescriptiveName()); - else if ((b[0] & 0xff) == 0xff) ret = Platform.decodeJPEG(pbis, r.getDescriptiveName()); - else throw new JS.Exn("couldn't figure out image type from first byte"); - ret.res = r; - cache.put(r, ret); - callback.call(ret); - } catch (Exception e) { + final byte[] b = InputStreamToByteArray.convert(r.getInputStream()); + Scheduler.add(new Scheduler.Task() { public void perform() { + try { + Picture p = null; + InputStream pbis = new ByteArrayInputStream(b); + if ((b[0] & 0xff) == 'G') p = gif.fromInputStream(pbis, "some picture"); + else if ((b[0] & 0xff) == 137) p = new PNG().fromInputStream(pbis, "some picture"); + else if ((b[0] & 0xff) == 0xff) p = Platform.decodeJPEG(pbis, "some picture"); + else throw new JSExn("couldn't figure out image type from first byte"); + p.res = r; + holder.picture = p; + Scheduler.add(callback); + } catch (Exception e) { + Log.log(Picture.class, e); + } } }); + } catch (IOException e) { Log.log(Picture.class, e); + return; } - return null; - }}); - } catch (Exception e) { - Log.log(Picture.class, e); - } - return null; + } }.start(); + return ret; } }