OCR Configurable  1.0
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LuminanceSource.java
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00001 /*
00002  * Copyright 2009 ZXing authors
00003  * Copyright 2011 Robert Theis
00004  * Copyright 2012 Jaime Navarro Santapau
00005  *
00006  * Licensed under the Apache License, Version 2.0 (the "License");
00007  * you may not use this file except in compliance with the License.
00008  * You may obtain a copy of the License at
00009  *
00010  *      http://www.apache.org/licenses/LICENSE-2.0
00011  *
00012  * Unless required by applicable law or agreed to in writing, software
00013  * distributed under the License is distributed on an "AS IS" BASIS,
00014  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00015  * See the License for the specific language governing permissions and
00016  * limitations under the License.
00017  */
00018 
00027 package edu.uoc.ocr;
00028 
00040 public abstract class LuminanceSource {
00041 
00042         private final int width;
00043         private final int height;
00044 
00045         protected LuminanceSource(int width, int height) {
00046                 this.width = width;
00047                 this.height = height;
00048         }
00049 
00067         public abstract byte[] getRow(int y, byte[] row);
00068 
00077         public abstract byte[] getMatrix();
00078 
00082         public final int getWidth() {
00083                 return width;
00084         }
00085 
00089         public final int getHeight() {
00090                 return height;
00091         }
00092 
00096         public boolean isCropSupported() {
00097                 return true;
00098         }
00099 
00115         public LuminanceSource crop(int left, int top, int width, int height) {
00116                 throw new RuntimeException(
00117                                 "This luminance source does not support cropping.");
00118         }
00119 
00123         public boolean isRotateSupported() {
00124                 return false;
00125         }
00126 
00133         public LuminanceSource rotateCounterClockwise() {
00134                 throw new RuntimeException(
00135                                 "This luminance source does not support rotation.");
00136         }
00137 
00138 }
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