OpenConcerto

Dépôt officiel du code source de l'ERP OpenConcerto
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svn://code.openconcerto.org/openconcerto

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181 ilm 1 
/*
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 * Copyright 2014 Robin Stuart
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 *
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 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
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 * in compliance with the License. You may obtain a copy of the License at
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 *
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 * http://www.apache.org/licenses/LICENSE-2.0
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 *
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 * Unless required by applicable law or agreed to in writing, software distributed under the License
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 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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 * or implied. See the License for the specific language governing permissions and limitations under
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 * the License.
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 */
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package uk.org.okapibarcode.backend;
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import java.awt.geom.Rectangle2D;
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/**
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 * Implements the Two-Track Pharmacode bar code symbology. <br>
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 * Pharmacode Two-Track is an alternative system to Pharmacode One-Track used for the identification
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 * of pharmaceuticals. The symbology is able to encode whole numbers between 4 and 64570080.
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 *
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 * @author <a href="mailto:rstuart114@gmail.com">Robin Stuart</a>
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 */
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public class Pharmacode2Track extends Symbol {
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    @Override
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    protected void encode() {
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        int i, tester = 0;
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        String inter, dest;
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        if (this.content.length() > 8) {
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            throw new OkapiException("Input too long");
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        }
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        if (!this.content.matches("[0-9]+")) {
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            throw new OkapiException("Invalid characters in data");
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        }
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        for (i = 0; i < this.content.length(); i++) {
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            tester *= 10;
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            tester += Character.getNumericValue(this.content.charAt(i));
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        }
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        if (tester < 4 || tester > 64570080) {
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            throw new OkapiException("Data out of range");
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        }
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        inter = "";
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        do {
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            switch (tester % 3) {
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            case 0:
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                inter += "F";
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                tester = (tester - 3) / 3;
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                break;
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            case 1:
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                inter += "D";
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                tester = (tester - 1) / 3;
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                break;
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            case 2:
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                inter += "A";
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                tester = (tester - 2) / 3;
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                break;
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            }
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        } while (tester != 0);
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        dest = "";
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        for (i = inter.length() - 1; i >= 0; i--) {
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            dest += inter.charAt(i);
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        }
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        infoLine("Encoding: " + dest);
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        this.readable = "";
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        this.pattern = new String[1];
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        this.pattern[0] = dest;
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        this.row_count = 1;
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        this.row_height = new int[1];
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        this.row_height[0] = -1;
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    }
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    @Override
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    protected void plotSymbol() {
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        int xBlock;
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        int x, y, w, h;
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        this.rectangles.clear();
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        x = 0;
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        w = 1;
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        y = 0;
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        h = 0;
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        for (xBlock = 0; xBlock < this.pattern[0].length(); xBlock++) {
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            switch (this.pattern[0].charAt(xBlock)) {
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            case 'A':
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                y = 0;
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                h = this.default_height / 2;
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                break;
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            case 'D':
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                y = this.default_height / 2;
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                h = this.default_height / 2;
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                break;
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            case 'F':
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                y = 0;
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                h = this.default_height;
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                break;
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            }
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            final Rectangle2D.Double rect = new Rectangle2D.Double(x, y, w, h);
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            this.rectangles.add(rect);
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            x += 2;
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        }
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        this.symbol_width = this.pattern[0].length() * 2;
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        this.symbol_height = this.default_height;
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    }
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}