OCR.rar_OCR_OCR Java_OCR images_images_java ocr

package com.asprise.util.ocr; import java.awt.image.RenderedImage; import java.util.Vector; public class OCR { private static final int MODE_CHARACTERS = 1; private static final int MODE_BARCODES = 2; private static final int MODE_ALL = 3; private static final String TAG_UNKNOWN = "#&*!@"; private static final String TAG_BARCODE_START = "[BARCODESTART"; private static final String TAG_BARCODE_END = "[BARCODEEND"; private static final String TAG_PICTURE = "[PIC]"; private static boolean libraryLoaded = false; private static String libPath = null; public OCR() { loadLibrary(); } public String recognizeEverything(RenderedImage image) { return (String)processString(image, 3, "[", "]"); } public String recognizeEverything(RenderedImage image, String barcodePrefix, String barcodeSuffix) { return (String)processString(image, 3, barcodePrefix, barcodeSuffix); } public String recognizeCharacters(RenderedImage image) { return (String)processString(image, 1, null, null); } public String recognizeBarcode(RenderedImage image) { Vector v = (Vector)processString(image, 2, null, null); if(v == null || v.size() == 0) { return null; } else { return (String)v.elementAt(0); } } public Vector recognizeBarcodes(RenderedImage image) { return (Vector)processString(image, 2, null, null); } private Object processString(RenderedImage image, int mode, String prefix, String suffix) { if(image == null || image.getHeight() <= 0 || image.getWidth() <= 0) { return null; } String s = performOCR(image, mode); if(s == null) { return s; } StringBuffer buf = new StringBuffer(); int cursor; int pos; for(cursor = 0; cursor < s.length(); cursor = pos + "#&*!@".length()) { pos = s.indexOf("#&*!@", cursor); if(pos < 0) { buf.append(s.substring(cursor)); break; } buf.append(s.substring(cursor, pos)); buf.append(' '); } s = buf.toString(); cursor = 0; int posStart = -1; int posEnd = -1; StringBuffer sb = new StringBuffer(); String barcode = null; Vector barcodes = new Vector(); for(; cursor < s.length(); cursor = posEnd + "[BARCODEEND".length()) { posStart = s.indexOf("[BARCODESTART", cursor); if(posStart == -1 && cursor == 0) { switch(mode) { case 1: // '\001' case 3: // '\003' return s; case 2: // '\002' return barcodes; } } if(posStart == -1) { switch(mode) { case 1: // '\001' case 3: // '\003' sb.append(s.substring(cursor)); return sb.toString(); case 2: // '\002' return barcodes; } } sb.append(s.substring(cursor, posStart)); cursor = posStart + "[BARCODESTART".length(); posEnd = s.indexOf("[BARCODEEND", cursor); if(posEnd == -1) { throw new RuntimeException("Please contact Asprise support: [email protected]. Errro code: NO CLOSING BARC" + "ODE END TAG!" ); } barcode = s.substring(posStart + "[BARCODESTART".length(), posEnd); switch(mode) { case 3: // '\003' sb.append(prefix + barcode + suffix); break; case 2: // '\002' barcodes.add(barcode); break; } } throw new RuntimeException("Please contact Asprise support: [email protected]. SHOULD NOT REACH HERE!"); } private native String performOCR(RenderedImage renderedimage, int i); private static void loadLibrary() { if(libraryLoaded) { return; } if(libPath != null) { try { System.load(libPath); libraryLoaded = true; return; } catch(Throwable t) { t.printStackTrace(); } } System.loadLibrary("AspriseOCR"); libraryLoaded = true; } public static void setLibraryPath(String libraryPath) { libPath = libraryPath; } public static String getLibraryPath() { return libPath; } }