mirror of
https://git.code.sf.net/p/zint/code
synced 2024-09-19 23:39:02 -04:00
397 lines
9.2 KiB
C++
397 lines
9.2 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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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_boderWidth=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->output_options=0;
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m_zintSymbol->whitespace_width=0;
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m_zintSymbol->border_width=m_boderWidth;
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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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}
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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_boderWidth*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_boderWidth*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_boderWidth;
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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_boderWidth=boderWidth;
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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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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+1);
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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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gwidth+=((m_border==BOX)?m_boderWidth*2:0);
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gheight+=((m_border!=NO_BORDER)?m_boderWidth*2:0);
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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_boderWidth);
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painter.setPen(p);
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QPainterPath pt;
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switch(m_border)
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{
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case BOX:
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painter.drawLine(m_boderWidth/2,m_boderWidth/2, gwidth-m_boderWidth/2, m_boderWidth/2);
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painter.drawLine(gwidth-m_boderWidth/2, m_boderWidth/2, gwidth-m_boderWidth/2, gheight-m_boderWidth/2);
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painter.drawLine(m_boderWidth/2, gheight-m_boderWidth/2, gwidth-m_boderWidth/2, gheight-m_boderWidth/2);
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painter.drawLine(m_boderWidth/2, gheight-m_boderWidth/2, m_boderWidth/2,m_boderWidth/2);
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painter.translate(m_boderWidth+m_zintSymbol->whitespace_width,m_boderWidth);
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break;
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case BIND:
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painter.drawLine(m_boderWidth/2,m_boderWidth/2,gwidth-m_boderWidth/2, m_boderWidth/2);
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painter.drawLine(m_boderWidth/2,gheight-m_boderWidth/2,gwidth-m_boderWidth/2, gheight-m_boderWidth/2);
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painter.translate(m_zintSymbol->whitespace_width,m_boderWidth);
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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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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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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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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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painter.fillRect(i,y,linewidth,m_zintSymbol->row_height[row],QBrush(color));
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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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painter.restore();
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}
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const QString & QZint::lastError()
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{
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return m_lastError;
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}
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bool QZint::hasErrors()
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{
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return m_lastError.length();
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}
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}
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