April

src/Data/DataConverter.js

@@ -295,45 +295,64 @@ export default class DC extends Uint8Array
         return new Uint8Array(this.buffer, offset, length);
     }
 
+    copy(offset, length, elementSize, func, dstType) 
+    {
+        let rt = new dstType(length / elementSize);
+        let d = 0, end = offset + length;
+        for (let i = offset; i < end; i += elementSize)
+            rt[d++] = func.call(this, i);
+        return rt;
+    }
+
     getInt16Array(offset, length)
     {
-        return new Int16Array(this.clip(offset, length).buffer);
+        return this.copy(offset, length, 2, this.getInt16, Int16Array);
+        //return new Int16Array(this.clip(offset, length).buffer);
     }
 
     getUint16Array(offset, length)
     {
-        return new Uint16Array(this.clip(offset, length).buffer);
+        return this.copy(offset, length, 2, this.getUint16, Uint16Array);
+        //return new Uint16Array(this.clip(offset, length).buffer);
     }
 
     getInt32Array(offset, length)
     {
-        return new Int32Array(this.clip(offset, length).buffer);
+        return this.copy(offset, length, 4, this.getInt32, Int32Array);
+        //return new Int32Array(this.clip(offset, length).buffer);
     }
 
+
     getUint32Array(offset, length)
     {
-        return new Uint32Array(this.clip(offset, length).buffer);
+        return this.copy(offset, length, 4, this.getUint32, Uint32Array);
+        //return new Uint32Array(this.clip(offset, length).buffer);
     }
 
     getFloat32Array(offset, length)
     {
-        return new Float32Array(this.clip(offset, length).buffer);
+        return this.copy(offset, length, 4, this.getFloat32, Float32Array);
+        //return new Float32Array(this.clip(offset, length).buffer);
     }
 
     getFloat64Array(offset, length)
     {       
-        return new Float64Array(this.clip(offset, length).buffer);
+        return this.copy(offset, length, 8, this.getFloat64, Float64Array);
+
+//        return new Float64Array(this.clip(offset, length).buffer);
     }
 
     getInt64Array(offset, length)
     {
-        return new Int64Array(this.clip(offset, length).buffer);
+        return this.copy(offset, length, 8, this.getInt64, BigInt64Array);
+        //return new Int64Array(this.clip(offset, length).buffer);
     }
 
 
     getUint64Array(offset, length)
     {
-        return new Uint64Array(this.clip(offset, length).buffer);
+        return this.copy(offset, length, 8, this.getUint64, BigUint64Array);
+        //return new Uint64Array(this.clip(offset, length).buffer);
     }
 
     getBoolean(offset)

src/Data/KeyList.js

@@ -92,6 +92,11 @@ export default class KeyList
         return false;
      }
 
+     containsKey(key)
+     {
+         return this.contains(key);
+     }
+     
      set(key, value)
      {
         this.remove(key);