Tesseract-android-tools  1.0
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Enhance.java
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00001 /*
00002  * Copyright (C) 2011 Google Inc.
00003  * 
00004  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
00005  * use this file except in compliance with the License. You may obtain a copy of
00006  * the License at
00007  * 
00008  * http://www.apache.org/licenses/LICENSE-2.0
00009  * 
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
00012  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
00013  * License for the specific language governing permissions and limitations under
00014  * the License.
00015  */
00016 
00026 package com.googlecode.leptonica.android;
00027 
00032 public class Enhance {
00033         static {
00034                 System.loadLibrary("lept");
00035         }
00036 
00055         public static Pix unsharpMasking(Pix pixs, int halfwidth, float fraction) {
00056                 if (pixs == null)
00057                         throw new IllegalArgumentException("Source pix must be non-null");
00058 
00059                 int nativePix = nativeUnsharpMasking(pixs.mNativePix, halfwidth,
00060                                 fraction);
00061 
00062                 if (nativePix == 0) {
00063                         throw new OutOfMemoryError();
00064                 }
00065 
00066                 return new Pix(nativePix);
00067         }
00068 
00069         // ***************
00070         // * NATIVE CODE *
00071         // ***************
00072 
00073         private static native int nativeUnsharpMasking(int nativePix,
00074                         int halfwidth, float fract);
00075 }
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