mirror of
https://github.com/zint/zint
synced 2024-11-16 20:57:25 +13:00
603 lines
18 KiB
C++
603 lines
18 KiB
C++
/***************************************************************************
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* Copyright (C) 2008 by BogDan Vatra *
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* bogdan@licentia.eu *
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* *
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* This program is free software: you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation, either version 3 of the License, or *
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* (at your option) any later version. *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* You should have received a copy of the GNU General Public License *
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* along with this program. If not, see <http://www.gnu.org/licenses/>. *
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***************************************************************************/
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#include "qzint.h"
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#include <stdio.h>
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namespace Zint
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{
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static const qreal maxi_diagonal=11;
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static const qreal maxi_width=1.73205807568877*maxi_diagonal/2;
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QZint::QZint()
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{
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m_symbol=BARCODE_CODE128;
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m_height=50;
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m_border=NO_BORDER;
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m_borderWidth=1;
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m_securityLevel=-1;
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m_pdf417CodeWords=928;
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m_fgColor=Qt::black;
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m_bgColor=Qt::white;
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m_zintSymbol=0;
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m_error=0;
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m_input_mode = UNICODE_MODE;
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}
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QZint::~QZint()
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{
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if (m_zintSymbol)
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ZBarcode_Delete(m_zintSymbol);
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}
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void QZint::encode()
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{
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if (m_zintSymbol)
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ZBarcode_Delete(m_zintSymbol);
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m_lastError.clear();
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m_zintSymbol = ZBarcode_Create();
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m_zintSymbol->output_options=m_border;
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m_zintSymbol->symbology=m_symbol;
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m_zintSymbol->height=m_height;
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m_zintSymbol->whitespace_width=m_whitespace;
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m_zintSymbol->border_width=m_borderWidth;
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m_zintSymbol->option_1=m_securityLevel;
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m_zintSymbol->input_mode = m_input_mode;
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m_zintSymbol->option_2=m_width;
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m_zintSymbol->option_3=m_pdf417CodeWords;
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QByteArray bstr=m_text.toAscii();
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QByteArray pstr=m_primaryMessage.left(99).toAscii();
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strcpy(m_zintSymbol->primary,pstr.data());
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int error = ZBarcode_Encode(m_zintSymbol, (unsigned char*)bstr.data());
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if (error > WARN_INVALID_OPTION)
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m_lastError=m_zintSymbol->errtxt;
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if (m_zintSymbol->symbology == BARCODE_MAXICODE)
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m_zintSymbol->height = 33;
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switch(m_zintSymbol->output_options) {
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case 0: m_border = NO_BORDER; break;
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case 2: m_border = BIND; break;
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case 4: m_border = BOX; break;
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}
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m_borderWidth = (BorderType)m_zintSymbol->border_width;
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m_whitespace = m_zintSymbol->whitespace_width;
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}
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int QZint::symbol()
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{
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return m_symbol;
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}
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void QZint::setSymbol(int symbol)
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{
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m_symbol=symbol;
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}
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void QZint::setInputMode(int input_mode)
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{
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m_input_mode = input_mode;
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}
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QString QZint::text()
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{
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return m_text;
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}
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void QZint::setText(const QString & text)
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{
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m_text=text;
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}
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QString QZint::primaryMessage()
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{
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return m_primaryMessage;
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}
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void QZint::setPrimaryMessage(const QString & primaryMessage)
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{
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m_primaryMessage=primaryMessage;
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}
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int QZint::height()
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{
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encode();
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return (m_zintSymbol->height+(m_border!=NO_BORDER)?m_borderWidth*2:0)*(m_zintSymbol->symbology == BARCODE_MAXICODE?(maxi_width+1):1);
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}
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void QZint::setHeight(int height)
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{
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m_height=height;
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}
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void QZint::setWidth(int width)
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{
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m_width=width;
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}
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int QZint::width()
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{
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encode();
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return (m_zintSymbol->width+(m_border==BOX)?m_borderWidth*2:0)*(m_zintSymbol->symbology == BARCODE_MAXICODE?(maxi_width+1):1);
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}
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QColor QZint::fgColor()
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{
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return m_fgColor;
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}
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void QZint::setFgColor(const QColor & fgColor)
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{
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m_fgColor=fgColor;
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}
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QColor QZint::bgColor()
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{
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return m_bgColor;
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}
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void QZint::setBgColor(const QColor & bgColor)
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{
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m_bgColor=bgColor;
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}
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QZint::BorderType QZint::borderType()
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{
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return m_border;
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}
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void QZint::setBorderType(BorderType border)
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{
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m_border=border;
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}
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int QZint::borderWidth()
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{
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return m_borderWidth;
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}
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void QZint::setBorderWidth(int boderWidth)
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{
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if (boderWidth<1 || boderWidth>16)
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boderWidth=1;
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m_borderWidth=boderWidth;
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}
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void QZint::setWhitespace(int whitespace)
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{
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m_whitespace = whitespace;
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}
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int QZint::pdf417CodeWords()
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{
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return m_pdf417CodeWords;
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}
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void QZint::setPdf417CodeWords(int pdf417CodeWords)
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{
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m_pdf417CodeWords=pdf417CodeWords;
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}
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int QZint::securityLevel()
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{
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return m_securityLevel;
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}
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void QZint::setSecurityLevel(int securityLevel)
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{
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m_securityLevel=securityLevel;
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}
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int QZint::mode()
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{
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return m_securityLevel;
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}
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void QZint::setMode(int securityLevel)
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{
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m_securityLevel=securityLevel;
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}
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void QZint::render(QPainter & painter, const QRectF & paintRect, AspectRatioMode mode)
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{
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encode();
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bool textdone;
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int comp_offset = 0, xoffset = m_whitespace, j, main_width = 0, addon_text_height = 0;
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int yoffset = 0;
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QString caption = (const char*)m_zintSymbol->text;
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if (m_lastError.length())
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{
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painter.drawText(paintRect,Qt::AlignCenter,m_lastError);
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return;
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}
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painter.save();
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painter.setClipRect(paintRect,Qt::IntersectClip);
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qreal xtr=paintRect.x();
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qreal ytr=paintRect.y();
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int zrow_height=m_zintSymbol->height;
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int zrows=0;
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for (int i=0;i<m_zintSymbol->rows;i++)
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{
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zrow_height-=m_zintSymbol->row_height[i];
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if (!m_zintSymbol->row_height[i])
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zrows++;
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}
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if (zrows)
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{
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zrow_height/=zrows;
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for (int i=0;i<m_zintSymbol->rows;i++)
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if (!m_zintSymbol->row_height[i])
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m_zintSymbol->row_height[i]=zrow_height;
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}
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else
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m_zintSymbol->height-=zrow_height;
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qreal gwidth=m_zintSymbol->width;
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qreal gheight=m_zintSymbol->height;
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if (m_zintSymbol->symbology == BARCODE_MAXICODE)
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{
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gheight*=(maxi_width);
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gwidth*=(maxi_width+1);
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}
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qreal xsf=1;
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qreal ysf=1;
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qreal textoffset = 0;
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gwidth+=((m_border==BOX)?m_borderWidth*2:0);
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gheight+=((m_border!=NO_BORDER)?m_borderWidth*2:0);
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if(QString((const char*)m_zintSymbol->text).isEmpty() == false) {
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textoffset = 9;
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gheight += textoffset;
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} else {
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textoffset = 0;
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}
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gwidth+=m_zintSymbol->whitespace_width*2;
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switch(mode)
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{
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case IgnoreAspectRatio:
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xsf=(qreal)paintRect.width()/gwidth;
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ysf=(qreal)paintRect.height()/gheight;
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break;
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case KeepAspectRatio:
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if (paintRect.width()/gwidth<paintRect.height()/gheight)
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{
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ysf=xsf=(qreal)paintRect.width()/gwidth;
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ytr+=(qreal)(paintRect.height()-gheight*ysf)/2;
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}
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else
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{
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ysf=xsf=(qreal)paintRect.height()/gheight;
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xtr+=(qreal)(paintRect.width()-gwidth*xsf)/2;
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}
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break;
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case CenterBarCode:
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xtr+=((qreal)paintRect.width()-gwidth*xsf)/2;
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ytr+=((qreal)paintRect.height()-gheight*ysf)/2;
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break;
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}
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painter.setBackground(QBrush(m_bgColor));
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painter.fillRect(paintRect,QBrush(m_bgColor));
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painter.translate(xtr,ytr);
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painter.scale(xsf,ysf);
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QPen p;
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p.setColor(m_fgColor);
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p.setWidth(m_borderWidth);
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painter.setPen(p);
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QPainterPath pt;
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if(m_zintSymbol->symbology != BARCODE_MAXICODE) {
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/* Draw boundary bars or boxes around the symbol */
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switch(m_border)
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{
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case BOX:
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painter.fillRect(0,m_borderWidth,m_borderWidth,m_zintSymbol->height,QBrush(m_fgColor));
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painter.fillRect(m_zintSymbol->width + xoffset + xoffset + m_borderWidth,m_borderWidth,m_borderWidth,m_zintSymbol->height,QBrush(m_fgColor));
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painter.fillRect(0,0,m_zintSymbol->width + xoffset + xoffset + m_borderWidth + m_borderWidth,m_borderWidth,QBrush(m_fgColor));
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painter.fillRect(0,m_zintSymbol->height + m_borderWidth,m_zintSymbol->width + xoffset + xoffset + m_borderWidth + m_borderWidth, m_borderWidth,QBrush(m_fgColor));
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painter.translate(m_borderWidth+m_zintSymbol->whitespace_width,m_borderWidth);
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yoffset = m_borderWidth;
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break;
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case BIND:
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painter.fillRect(0,0,m_zintSymbol->width + xoffset + xoffset,m_borderWidth,QBrush(m_fgColor));
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painter.fillRect(0,m_zintSymbol->height + m_borderWidth,m_zintSymbol->width + xoffset + xoffset, m_borderWidth,QBrush(m_fgColor));
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painter.translate(m_zintSymbol->whitespace_width,m_borderWidth);
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yoffset = m_borderWidth;
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break;
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default:
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painter.translate(m_zintSymbol->whitespace_width,0);
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break;;
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}
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}
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while(m_zintSymbol->encoded_data[m_zintSymbol->rows - 1][comp_offset] != '1') {
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comp_offset++;
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}
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xoffset = comp_offset;
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/* Set up some values for displaying EAN and UPC symbols correctly */
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main_width = m_zintSymbol->width;
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if ((((m_zintSymbol->symbology == BARCODE_EANX) && (m_zintSymbol->rows == 1)) || (m_zintSymbol->symbology == BARCODE_EANX_CC))
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|| (m_zintSymbol->symbology == BARCODE_ISBNX)) {
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switch(caption.size()) {
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case 13: /* EAN 13 */
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case 16:
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case 19:
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if(m_zintSymbol->whitespace_width == 0) {
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m_zintSymbol->whitespace_width = 10;
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}
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main_width = 96 + comp_offset;
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break;
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default:
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main_width = 68 + comp_offset;
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break;
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}
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}
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if (((m_zintSymbol->symbology == BARCODE_UPCA) && (m_zintSymbol->rows == 1)) || (m_zintSymbol->symbology == BARCODE_UPCA_CC)) {
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if(m_zintSymbol->whitespace_width == 0) {
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m_zintSymbol->whitespace_width = 10;
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}
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main_width = 96 + comp_offset;
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}
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if (((m_zintSymbol->symbology == BARCODE_UPCE) && (m_zintSymbol->rows == 1)) || (m_zintSymbol->symbology == BARCODE_UPCE_CC)) {
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if(m_zintSymbol->whitespace_width == 0) {
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m_zintSymbol->whitespace_width = 10;
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}
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main_width = 51 + comp_offset;
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}
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p.setWidth(1);
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painter.setPen(p);
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if (m_zintSymbol->symbology == BARCODE_MAXICODE)
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{
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/* Draw Maxicode with hexagons */
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painter.save();
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painter.setRenderHint(QPainter::Antialiasing);
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for (int r=0;r<m_zintSymbol->rows;r++)
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{
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for (int c=0;c<m_zintSymbol->width;c++)
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{
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if (m_zintSymbol->encoded_data[r][c]=='1')
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{
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qreal col=(qreal)c*(maxi_width+1)+(r%2)*((maxi_width+1)/2);
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qreal row=(qreal)r*(maxi_width+1)*0.868;
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QPainterPath pt;
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pt.moveTo(col+maxi_width/2, row);
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pt.lineTo(col+maxi_width, row+maxi_diagonal/4);
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pt.lineTo(col+maxi_width, row+(maxi_diagonal-maxi_diagonal/4));
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pt.lineTo(col+maxi_width/2, row+maxi_diagonal);
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pt.lineTo(col, row+(maxi_diagonal-maxi_diagonal/4));
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pt.lineTo(col, row+maxi_diagonal/4);
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pt.lineTo(col+maxi_width/2, row);
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painter.fillPath(pt,QBrush(m_fgColor));
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}
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}
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}
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p.setWidth(maxi_width);
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painter.setPen(p);
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const qreal w=maxi_width+1;
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painter.drawEllipse(QPointF(14.5*w,16.5*w*0.868),w,w);
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painter.drawEllipse(QPointF(14.5*w,16.5*w*0.868),w+w*1.5,w+w*1.5);
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painter.drawEllipse(QPointF(14.5*w,16.5*w*0.868),w+w*3,w+w*3);
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painter.restore();
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}
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else
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{
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/* Draw all other symbols with rectangles */
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int y=0;
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for (int row=0;row<m_zintSymbol->rows;row++)
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{
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for (int i=0;i<m_zintSymbol->width;i++) {
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if (m_zintSymbol->encoded_data[row][i]!='0')
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{
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int ed=m_zintSymbol->encoded_data[row][i];
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int linewidth=0;
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for (int j=i;j<m_zintSymbol->width;j++,linewidth++)
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if (ed!=m_zintSymbol->encoded_data[row][j])
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break;
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QColor color;
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switch(ed)
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{
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case 'R':
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color=qRgb(0xff,0x00,0x00);
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break;
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case 'G':
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color=qRgb(0x00,0xff,0x00);
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break;
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case 'B':
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color=qRgb(0x00,0x00,0xff);
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break;
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case 'C':
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color=qRgb(0x00,0xff,0xff);
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break;
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case 'M':
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color=qRgb(0xff,0x00,0xff);
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break;
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case 'Y':
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color=qRgb(0xff,0xff,0x00);
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break;
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default:
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color=m_fgColor;
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break;
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}
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if(!((i > main_width) && (row == m_zintSymbol->rows - 1))) {
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painter.fillRect(i,y,linewidth,m_zintSymbol->row_height[row],QBrush(color));
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} else {
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painter.fillRect(i,y + 8,linewidth,m_zintSymbol->row_height[row] - 3,QBrush(color));
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addon_text_height = y;
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}
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}
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}
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/* Add row binding */
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if((m_zintSymbol->symbology == BARCODE_CODE16K) && (row != 0)) {
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painter.fillRect(0,y - 1,m_zintSymbol->width,2,QBrush(m_fgColor));
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}
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if(((m_zintSymbol->symbology == BARCODE_CODABLOCKF) || (m_zintSymbol->symbology == BARCODE_HIBC_BLOCKF)) && (row != 0)) {
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painter.fillRect(11,y - 1,m_zintSymbol->width - 24,2,QBrush(m_fgColor));
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}
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y+=m_zintSymbol->row_height[row];
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}
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}
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textdone = false;
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painter.setFont(QFont("Ariel", 4));
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if(((m_zintSymbol->symbology == BARCODE_EANX) || (m_zintSymbol->symbology == BARCODE_EANX_CC)) ||
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(m_zintSymbol->symbology == BARCODE_ISBNX)) {
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/* Add bridge and format text for EAN */
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switch(caption.size()) {
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case 8:
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case 11:
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case 14:
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painter.fillRect(0 + xoffset,m_zintSymbol->height,1,5,QBrush(m_fgColor));
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painter.fillRect(2 + xoffset,m_zintSymbol->height,1,5,QBrush(m_fgColor));
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painter.fillRect(32 + xoffset,m_zintSymbol->height,1,5,QBrush(m_fgColor));
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painter.fillRect(34 + xoffset,m_zintSymbol->height,1,5,QBrush(m_fgColor));
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painter.fillRect(64 + xoffset,m_zintSymbol->height,1,5,QBrush(m_fgColor));
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painter.fillRect(66 + xoffset,m_zintSymbol->height,1,5,QBrush(m_fgColor));
|
|
painter.setFont(QFont("Ariel", 6));
|
|
painter.drawText(3 + xoffset, m_zintSymbol->height + yoffset, 29, 9,Qt::AlignCenter, caption.mid(0,4));
|
|
painter.drawText(35 + xoffset, m_zintSymbol->height + yoffset, 29, 9,Qt::AlignCenter, caption.mid(4,4));
|
|
if(caption.size() == 11) { /* EAN-2 */ painter.drawText(76 + xoffset, addon_text_height, 20, 9,Qt::AlignCenter, caption.mid(9,2)); };
|
|
if(caption.size() == 14) { /* EAN-5 */ painter.drawText(76 + xoffset, addon_text_height, 47, 9,Qt::AlignCenter, caption.mid(9,5)); };
|
|
painter.setFont(QFont("Ariel", 4));
|
|
textdone = true;
|
|
break;
|
|
case 13:
|
|
case 16:
|
|
case 19:
|
|
painter.fillRect(0 + xoffset,m_zintSymbol->height,1,5,QBrush(m_fgColor));
|
|
painter.fillRect(2 + xoffset,m_zintSymbol->height,1,5,QBrush(m_fgColor));
|
|
painter.fillRect(46 + xoffset,m_zintSymbol->height,1,5,QBrush(m_fgColor));
|
|
painter.fillRect(48 + xoffset,m_zintSymbol->height,1,5,QBrush(m_fgColor));
|
|
painter.fillRect(92 + xoffset,m_zintSymbol->height,1,5,QBrush(m_fgColor));
|
|
painter.fillRect(94 + xoffset,m_zintSymbol->height,1,5,QBrush(m_fgColor));
|
|
painter.setFont(QFont("Ariel", 6));
|
|
painter.drawText(xoffset - 7, m_zintSymbol->height + yoffset, 7, 9,Qt::AlignCenter, caption.mid(0,1));
|
|
painter.drawText(3 + xoffset, m_zintSymbol->height + yoffset, 43, 9,Qt::AlignCenter, caption.mid(1,6));
|
|
painter.drawText(49 + xoffset, m_zintSymbol->height + yoffset, 43, 9,Qt::AlignCenter, caption.mid(7,6));
|
|
if(caption.size() == 16) { /* EAN-2 */ painter.drawText(104 + xoffset, addon_text_height, 20, 9,Qt::AlignCenter, caption.mid(14,2)); };
|
|
if(caption.size() == 19) { /* EAN-5 */ painter.drawText(104 + xoffset, addon_text_height, 47, 9,Qt::AlignCenter, caption.mid(14,5)); };
|
|
painter.setFont(QFont("Ariel", 4));
|
|
textdone = true;
|
|
break;
|
|
}
|
|
if(textdone == false) {
|
|
painter.setFont(QFont("Ariel", 6));
|
|
painter.drawText(0, m_zintSymbol->height, m_zintSymbol->width, 9,Qt::AlignCenter, caption);
|
|
painter.setFont(QFont("Ariel", 4));
|
|
textdone = true;
|
|
}
|
|
}
|
|
|
|
if((m_zintSymbol->symbology == BARCODE_UPCA) || (m_zintSymbol->symbology == BARCODE_UPCA_CC)) {
|
|
/* Add bridge and format text for UPC-A */
|
|
int block_width;
|
|
bool latch = true;
|
|
|
|
j = 0 + comp_offset;
|
|
do {
|
|
block_width = 0;
|
|
do {
|
|
block_width++;
|
|
} while (m_zintSymbol->encoded_data[m_zintSymbol->rows - 1][j + block_width] == m_zintSymbol->encoded_data[m_zintSymbol->rows - 1][j]);
|
|
if(latch == true) {
|
|
/* a bar */
|
|
painter.fillRect(j + xoffset - comp_offset,m_zintSymbol->height,block_width,5,QBrush(m_fgColor));
|
|
latch = false;
|
|
} else {
|
|
/* a space */
|
|
latch = true;
|
|
}
|
|
j += block_width;
|
|
} while (j < 11 + comp_offset);
|
|
painter.fillRect(46 + xoffset,m_zintSymbol->height,1,5,QBrush(m_fgColor));
|
|
painter.fillRect(48 + xoffset,m_zintSymbol->height,1,5,QBrush(m_fgColor));
|
|
latch = true;
|
|
j = 85 + comp_offset;
|
|
do {
|
|
block_width = 0;
|
|
do {
|
|
block_width++;
|
|
} while (m_zintSymbol->encoded_data[m_zintSymbol->rows - 1][j + block_width] == m_zintSymbol->encoded_data[m_zintSymbol->rows - 1][j]);
|
|
if(latch == true) {
|
|
/* a bar */
|
|
painter.fillRect(j + xoffset - comp_offset,m_zintSymbol->height,block_width,5,QBrush(m_fgColor));
|
|
latch = false;
|
|
} else {
|
|
/* a space */
|
|
latch = true;
|
|
}
|
|
j += block_width;
|
|
} while (j < 96 + comp_offset);
|
|
painter.drawText(xoffset - 7, m_zintSymbol->height + yoffset, 7, 7,Qt::AlignCenter, caption.mid(0,1));
|
|
painter.drawText(96 + xoffset, m_zintSymbol->height + yoffset, 7, 7,Qt::AlignCenter, caption.mid(11,1));
|
|
painter.setFont(QFont("Ariel", 6));
|
|
painter.drawText(11 + xoffset, m_zintSymbol->height + yoffset, 35, 9,Qt::AlignCenter, caption.mid(1,5));
|
|
painter.drawText(49 + xoffset, m_zintSymbol->height + yoffset, 35, 9,Qt::AlignCenter, caption.mid(6,5));
|
|
if(caption.size() == 15) { /* EAN-2 */ painter.drawText(104 + xoffset, addon_text_height, 20, 9,Qt::AlignCenter, caption.mid(13,2)); };
|
|
if(caption.size() == 18) { /* EAN-5 */ painter.drawText(104 + xoffset, addon_text_height, 47, 9,Qt::AlignCenter, caption.mid(13,5)); };
|
|
painter.setFont(QFont("Ariel", 4));
|
|
textdone = true;
|
|
}
|
|
|
|
if((m_zintSymbol->symbology == BARCODE_UPCE) || (m_zintSymbol->symbology == BARCODE_UPCE_CC)) {
|
|
/* Add bridge and format text for UPC-E */
|
|
painter.fillRect(0 + xoffset,m_zintSymbol->height,1,5,QBrush(m_fgColor));
|
|
painter.fillRect(2 + xoffset,m_zintSymbol->height,1,5,QBrush(m_fgColor));
|
|
painter.fillRect(46 + xoffset,m_zintSymbol->height,1,5,QBrush(m_fgColor));
|
|
painter.fillRect(48 + xoffset,m_zintSymbol->height,1,5,QBrush(m_fgColor));
|
|
painter.fillRect(50 + xoffset,m_zintSymbol->height,1,5,QBrush(m_fgColor));
|
|
painter.drawText(xoffset - 7, m_zintSymbol->height + yoffset, 7, 7,Qt::AlignCenter, caption.mid(0,1));
|
|
painter.drawText(51 + xoffset, m_zintSymbol->height + yoffset, 7, 7,Qt::AlignCenter, caption.mid(7,1));
|
|
painter.setFont(QFont("Ariel", 6));
|
|
painter.drawText(3 + xoffset, m_zintSymbol->height + yoffset, 43, 9,Qt::AlignCenter, caption.mid(1,6));
|
|
if(caption.size() == 11) { /* EAN-2 */ painter.drawText(60 + xoffset, addon_text_height, 20, 9,Qt::AlignCenter, caption.mid(9,2)); };
|
|
if(caption.size() == 14) { /* EAN-2 */ painter.drawText(60 + xoffset, addon_text_height, 47, 9,Qt::AlignCenter, caption.mid(9,5)); };
|
|
painter.setFont(QFont("Ariel", 4));
|
|
textdone = true;
|
|
}
|
|
|
|
if((caption.isEmpty() == false) && (textdone == false)) {
|
|
/* Add text to any other symbol */
|
|
painter.drawText(0, m_zintSymbol->height + yoffset, m_zintSymbol->width, 7,Qt::AlignCenter, caption);
|
|
}
|
|
painter.restore();
|
|
}
|
|
|
|
const QString & QZint::lastError()
|
|
{
|
|
return m_lastError;
|
|
}
|
|
|
|
bool QZint::hasErrors()
|
|
{
|
|
return m_lastError.length();
|
|
}
|
|
|
|
}
|
|
|