mirror of
https://github.com/zint/zint
synced 2024-11-16 20:57:25 +13:00
332 lines
8.0 KiB
C++
332 lines
8.0 KiB
C++
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/***************************************************************************
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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 <QPainter>
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#include "barcoderender.h"
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namespace Zint
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{
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BareCode::BareCode()
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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=0;
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m_width=0;
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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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}
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BareCode::~BareCode()
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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 BareCode::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->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=0;
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m_zintSymbol->option_1=m_securityLevel;
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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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else
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{
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if (m_zintSymbol->symbology != BARCODE_MAXICODE)
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{
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int preset_height = 0;
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for (int i = 0; i < m_zintSymbol->rows; i++)
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preset_height += m_zintSymbol->row_height[i];
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if (preset_height)
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m_zintSymbol->height = preset_height;
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}
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else
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m_zintSymbol->height = 33;
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}
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}
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void BareCode::setSymbol(int symbol)
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{
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m_symbol=symbol;
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}
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void BareCode::setText(const QString & text)
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{
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m_text=text;
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}
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void BareCode::setPrimaryMessage(const QString & primaryMessage)
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{
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m_primaryMessage=primaryMessage;
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}
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void BareCode::setHeight(int height)
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{
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m_height=height;
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}
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int BareCode::height()
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{
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encode();
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return m_zintSymbol->height+(m_border==BOX)?m_boderWidth*2:0;
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}
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void BareCode::setBorder(BorderType border)
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{
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m_border=border;
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}
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void BareCode::setBorderWidth(int boderWidth)
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{
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m_boderWidth=boderWidth;
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}
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void BareCode::setWidth(int width)
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{
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m_width=width;
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}
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int BareCode::width()
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{
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encode();
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return m_zintSymbol->width+(m_border!=NO_BORDER)?m_boderWidth*2:0;
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}
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void BareCode::setSecurityLevel(int securityLevel)
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{
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m_securityLevel=securityLevel;
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}
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void BareCode::setPdf417CodeWords(int pdf417CodeWords)
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{
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m_pdf417CodeWords=pdf417CodeWords;
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}
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void BareCode::setFgColor(const QColor & fgColor)
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{
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m_fgColor=fgColor;
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}
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void BareCode::setBgColor(const QColor & bgColor)
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{
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m_bgColor=bgColor;
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}
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const QString & BareCode::lastError()
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{
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return m_lastError;
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}
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bool BareCode::hasErrors()
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{
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return m_lastError.length();
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}
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void BareCode::render(QPainter & painter, const QRectF & paintRect, AspectRatioMode mode, qreal scaleFactor)
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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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qreal xsf=scaleFactor;
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qreal ysf=scaleFactor;
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qreal gwidth=scaleFactor*m_zintSymbol->width;
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qreal gheight=scaleFactor*m_zintSymbol->height;
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if (m_zintSymbol->symbology == BARCODE_MAXICODE)
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{
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gheight*=12;
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gwidth*=12;
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}
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gwidth+=scaleFactor*((m_border==BOX)?m_boderWidth*2:0);
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gheight+=scaleFactor*((m_border!=NO_BORDER)?m_boderWidth*2:0);
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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(gwidth-m_boderWidth/2, gheight-m_boderWidth/2, 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_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(0,m_boderWidth);
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break;
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default:
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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 (1==m_zintSymbol->rows && !m_zintSymbol->row_height[0])
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m_zintSymbol->row_height[0]=m_zintSymbol->height;
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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 row=0;row<m_zintSymbol->rows;row++)
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for (int i=0;i<m_zintSymbol->width;i++)
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if (m_zintSymbol->encoded_data[row][i]=='1')
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{
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QPainterPath pt;
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pt.moveTo(i*12+4, row*12);
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pt.lineTo(i*12+4+4, row*12);
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pt.lineTo(i*12+12, row*12+4);
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pt.lineTo(i*12+12, row*12+4+4);
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pt.lineTo(i*12+4+4, row*12+12);
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pt.lineTo(i*12+4, row*12+12);
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pt.lineTo(i*12, row*12+4+4);
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pt.lineTo(i*12, row*12+4);
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pt.lineTo(i*12+4, row*12);
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painter.fillPath(pt,QBrush(m_fgColor));
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}
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p.setWidth(8);
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painter.setPen(p);
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painter.drawEllipse(QPointF((qreal)m_zintSymbol->width/2*12,m_zintSymbol->height/2*12),12+4,12+4);
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painter.drawEllipse(QPointF((qreal)m_zintSymbol->width/2*12,m_zintSymbol->height/2*12),12+8+8+4,12+8+8+4);
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painter.drawEllipse(QPointF((qreal)m_zintSymbol->width/2*12,m_zintSymbol->height/2*12),12+8+8+8+8+4,12+8+8+8+8+4);
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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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}
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