fix(jpeg.js) Fix decoder jpeg lossy bug (#203)

decoder jpeg lossy bug，Avoid skipping a valid marker
cornerstonejs · May 25, 2018 · d6e01b3 · d6e01b3
1 parent dc066c5
commit d6e01b3
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/codecs/jpeg.js b/codecs/jpeg.js
@@ -775,6 +775,11 @@ var JpegImage = (function jpegImage() {
  successiveApproximation >> 4, successiveApproximation & 15);
  offset += processed;
  break;
+ case 0xFFFF: // Fill bytes
+ if (data[offset] !== 0xFF) { // Avoid skipping a valid marker.
+ offset--;
+ }
+ break;
  default:
  if (data[offset - 3] == 0xFF &&
  data[offset - 2] >= 0xC0 && data[offset - 2] <= 0xFE) {
@@ -1011,4 +1016,4 @@ var JpegImage = (function jpegImage() {
  };
 
  return constructor;
-})();
+})();