isDefaultDecode(), as per reviewer comments

2012-02-06 16:10:15 -08:00 · 2012-02-06 16:10:15 -08:00 · 00b7e7d255
commit 00b7e7d255
parent 0fc6c03956
1 changed files with 8 additions and 2 deletions
--- a/src/colorspace.js
+++ b/src/colorspace.js
@ -517,8 +517,14 @@ var LabCS = (function LabCSClosure() {
      return rgbBuf;
    },
    isDefaultDecode: function labcs_isDefaultDecode(decodeMap) {
-      // TODO: not sure about this yet
-      return true;
+      // From Table 90 in Adobe's:
+      // "Document management - Portable document format", 1st ed, 2008
+      if (decodeMap[0] === 0 && decodeMap[1] === 100 &&
+          decodeMap[2] === this.amin && decodeMap[3] === this.amax &&
+          decodeMap[4] === this.bmin && decodeMap[5] === this.bmax)
+        return true;
+      else
+        return false;
    }
  };
  return LabCS;