X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=src%2Forg%2Fxwt%2FPicture.java;h=38f9c0a73b74ef7cd444b2fc9e476d912ef7a91b;hb=214fe5c02d3f0fb9c3c61128a100e6a3cb01668e;hp=a4cc602a6b4e4e017ccb6d7b66e08a6f9fea4b0e;hpb=605c83ebfebbf069a495dd9a26e509e30465aa08;p=org.ibex.core.git diff --git a/src/org/xwt/Picture.java b/src/org/xwt/Picture.java index a4cc602..38f9c0a 100644 --- a/src/org/xwt/Picture.java +++ b/src/org/xwt/Picture.java @@ -33,28 +33,32 @@ public abstract class Picture { private static Cache cache = new Cache(); private static GIF gif = new GIF(); + // FIXME: return a Picture that gets filled in later /** turns a resource into a Picture.Source and passes it to the callback */ - public static void fromRes(final Res r, final Callback callback) { + public static Picture fromRes(final Res r, final Callback callback) { Picture ret = (Picture)cache.get(r); - if (ret != null) { - callback.call(ret); - return; - } - + if (ret != null) return ret; try { - // FIXME: put self in background - PushbackInputStream pbis = new PushbackInputStream(r.getInputStream()); - int c = pbis.read(); - pbis.unread(c); - if (c == 'G') ret = gif.fromInputStream(pbis, r.getDescriptiveName()); - else if (c == 137) ret = new PNG().fromInputStream(pbis, r.getDescriptiveName()); - else if (c == 0xff) ret = Platform.decodeJPEG(pbis, r.getDescriptiveName()); - else throw new JS.Exn("couldn't figure out image type from first byte"); - cache.put(r, ret); - ret.res = r; - callback.call(ret); + Platform.inputStreamToByteArray(r.getInputStream(), new Callback() { public Object call(Object o) { + 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) { + Log.log(Picture.class, e); + } + return null; + }}); } catch (Exception e) { Log.log(Picture.class, e); } + return null; } }