[Pkg-javascript-commits] [pdf.js] 146/210: Optimized stream.js / 9-10x faster DecodeStream_ensureBuffer

[David Prévot]

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taffit pushed a commit to branch upstream
in repository pdf.js.

commit 330b99f428bd8cfc8423fd307a1d65ad086d9392
Author: p01 <p01 at opera.com>
Date:   Tue May 6 16:45:49 2014 +0200

    Optimized stream.js / 9-10x faster DecodeStream_ensureBuffer
---
 src/core/stream.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/core/stream.js b/src/core/stream.js
index abd9e81..a7d5d34 100644
--- a/src/core/stream.js
+++ b/src/core/stream.js
@@ -144,8 +144,8 @@ var DecodeStream = (function DecodeStreamClosure() {
         size *= 2;
       }
       var buffer2 = new Uint8Array(size);
-      for (var i = 0; i < current; ++i) {
-        buffer2[i] = buffer[i];
+      if (buffer) {
+        buffer2.set(buffer);
       }
       return (this.buffer = buffer2);
     },

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