diff --git a/backend_qt4/backend_qt4.pro b/backend_qt4/backend_qt4.pro
new file mode 100644
index 00000000..6867a37d
--- /dev/null
+++ b/backend_qt4/backend_qt4.pro
@@ -0,0 +1,99 @@
+TEMPLATE = lib
+
+CONFIG += dll
+
+macx{
+	CONFIG -= dll
+	CONFIG += lib_bundle
+}
+
+TARGET = QtZint
+
+INCLUDEPATH += ../backend
+
+#EDIT THIS !!!!
+DEFINES += NO_PNG NO_QR
+
+!contains(DEFINES, NO_PNG) {
+    SOURCES += ../backend/png.c
+    LIBS += -lpng
+}
+
+contains(DEFINES, NO_QR){
+    SOURCES += ../backend/no_qr.c
+}else{
+    SOURCES += ../backend/qr.c
+
+contains(DEFINES, QR_SYSTEM){
+    LIBS += -lqrencode
+}else{
+
+INCLUDEPATH += qrencode
+
+HEADERS += qrencode/bitstream.h \
+           qrencode/mask.h \
+           qrencode/qrencode.h \
+           qrencode/qrencode_inner.h \
+           qrencode/qrinput.h \
+           qrencode/qrspec.h \
+           qrencode/rscode.h \
+           qrencode/split.h 
+
+SOURCES += qrencode/bitstream.c \
+           qrencode/mask.c \
+           qrencode/qrencode.c \
+           qrencode/qrinput.c \
+           qrencode/qrspec.c \
+           qrencode/rscode.c \
+           qrencode/split.c 
+}
+
+}
+
+HEADERS += ../backend/common.h \
+            ../backend/composite.h \
+            ../backend/dm200.h \
+            ../backend/large.h \
+            ../backend/maxicode.h \
+            ../backend/maxipng.h \
+            ../backend/pdf417.h \
+            ../backend/reedsol.h \
+            ../backend/rss.h \
+            ../backend/zint.h \
+            barcoderender.h
+
+SOURCES += ../backend/2of5.c \
+           ../backend/auspost.c \
+           ../backend/code.c \
+           ../backend/code128.c \
+           ../backend/code16k.c \
+           ../backend/common.c \
+           ../backend/composite.c \
+           ../backend/dm200.c \
+           ../backend/dmatrix.c \
+           ../backend/imail.c \
+           ../backend/large.c \
+           ../backend/library.c \
+           ../backend/maxicode.c \
+           ../backend/medical.c \
+           ../backend/pdf417.c \
+           ../backend/plessey.c \
+           ../backend/postal.c \
+           ../backend/ps.c \
+           ../backend/reedsol.c \
+           ../backend/rss.c \
+           ../backend/telepen.c \
+           ../backend/upcean.c \
+           barcoderender.cpp
+
+VERSION = 1.6.0
+
+#DESTDIR = .
+
+include.path = $$[ZINT_INSTALL_HEADERS]
+include.files = ../backend/zint.h barcoderender.h
+
+target.path = $$[ZINT_INSTALL_LIBS]
+
+INSTALLS += target include
+
diff --git a/backend_qt4/barcoderender.cpp b/backend_qt4/barcoderender.cpp
new file mode 100644
index 00000000..f8ea4f11
--- /dev/null
+++ b/backend_qt4/barcoderender.cpp
@@ -0,0 +1,334 @@
+/***************************************************************************
+ *   Copyright (C) 2008 by BogDan Vatra                                    *
+ *   bogdan@licentia.eu                                                    *
+ *                                                                         *
+ *   This program is free software: you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation, either version 3 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
+ ***************************************************************************/
+#include <QPainter>
+#include <QDebug>
+
+#include "barcoderender.h"
+
+namespace Zint
+{
+
+BareCode::BareCode()
+{
+	m_symbol=BARCODE_CODE128;
+	m_height=50;
+	m_border=NO_BORDER;
+	m_boderWidth=0;
+	m_width=0;
+	m_securityLevel=-1;
+	m_pdf417CodeWords=928;
+	m_fgColor=Qt::black;
+	m_bgColor=Qt::white;
+	m_zintSymbol=0;
+}
+
+BareCode::~BareCode()
+{
+	if (m_zintSymbol)
+		ZBarcode_Delete(m_zintSymbol);
+}
+
+void BareCode::encode()
+{
+	if (m_zintSymbol)
+		ZBarcode_Delete(m_zintSymbol);
+
+	m_lastError.clear();
+	m_zintSymbol = ZBarcode_Create();
+	m_zintSymbol->symbology=m_symbol;
+	m_zintSymbol->height=m_height;
+	m_zintSymbol->output_options=0;
+	m_zintSymbol->whitespace_width=0;
+	m_zintSymbol->border_width=0;
+	m_zintSymbol->option_1=m_securityLevel;
+	m_zintSymbol->option_2=m_width;
+	m_zintSymbol->option_3=m_pdf417CodeWords;
+	QByteArray bstr=m_text.toAscii();
+	QByteArray pstr=m_primaryMessage.left(99).toAscii();
+	strcpy(m_zintSymbol->primary,pstr.data());
+	int error = ZBarcode_Encode(m_zintSymbol, (unsigned char*)bstr.data());
+	if (error > WARN_INVALID_OPTION)
+		m_lastError=m_zintSymbol->errtxt;
+	else
+	{
+		if (m_zintSymbol->symbology != BARCODE_MAXICODE)
+		{
+			int preset_height = 0;
+
+			for (int i = 0; i < m_zintSymbol->rows; i++)
+				preset_height += m_zintSymbol->row_height[i];
+
+			if (preset_height)
+				m_zintSymbol->height = preset_height;
+		}
+		else
+			m_zintSymbol->height = 33;
+	}
+}
+
+void BareCode::setSymbol(int symbol)
+{
+	m_symbol=symbol;
+}
+
+void BareCode::setText(const QString & text)
+{
+	m_text=text;
+}
+
+void BareCode::setPrimaryMessage(const QString & primaryMessage)
+{
+	m_primaryMessage=primaryMessage;
+}
+
+void BareCode::setHeight(int height)
+{
+	m_height=height;
+}
+
+int BareCode::height()
+{
+	encode();
+	return m_zintSymbol->height+(m_border==BOX)?m_boderWidth*2:0;
+}
+
+void BareCode::setBorder(BorderType border)
+{
+	m_border=border;
+}
+
+void BareCode::setBorderWidth(int boderWidth)
+{
+	m_boderWidth=boderWidth;
+}
+
+void BareCode::setWidth(int width)
+{
+	m_width=width;
+}
+
+int BareCode::width()
+{
+	encode();
+	return m_zintSymbol->width+(m_border!=NO_BORDER)?m_boderWidth*2:0;
+}
+
+void BareCode::setSecurityLevel(int securityLevel)
+{
+	m_securityLevel=securityLevel;
+}
+
+void BareCode::setPdf417CodeWords(int pdf417CodeWords)
+{
+	m_pdf417CodeWords=pdf417CodeWords;
+}
+
+void BareCode::setFgColor(const QColor & fgColor)
+{
+	m_fgColor=fgColor;
+}
+
+void BareCode::setBgColor(const QColor & bgColor)
+{
+	m_bgColor=bgColor;
+}
+
+const QString & BareCode::lastError()
+{
+	return m_lastError;
+}
+
+bool BareCode::hasErrors()
+{
+	return m_lastError.length();
+}
+
+void BareCode::render(QPainter & painter, const QRectF & paintRect, AspectRatioMode mode, qreal scaleFactor)
+{
+	encode();
+	if (m_lastError.length())
+	{
+		painter.drawText(paintRect,Qt::AlignCenter,m_lastError);
+		return;
+	}
+
+	painter.save();
+	painter.setClipRect(paintRect,Qt::IntersectClip);
+	qreal xtr=paintRect.x();
+	qreal ytr=paintRect.y();
+
+	qreal xsf=scaleFactor;
+	qreal ysf=scaleFactor;
+
+	qreal gwidth=scaleFactor*m_zintSymbol->width;
+	qreal gheight=scaleFactor*m_zintSymbol->height;
+	if (m_zintSymbol->symbology == BARCODE_MAXICODE)
+	{
+		gheight*=12;
+		gwidth*=12;
+	}
+
+	gwidth+=scaleFactor*((m_border==BOX)?m_boderWidth*2:0);
+	gheight+=scaleFactor*((m_border!=NO_BORDER)?m_boderWidth*2:0);
+
+	switch(mode)
+	{
+		case IgnoreAspectRatio:
+				xsf=(qreal)paintRect.width()/gwidth;
+				ysf=(qreal)paintRect.height()/gheight;
+			break;
+
+		case KeepAspectRatio:
+			if (paintRect.width()-gwidth<paintRect.height()-gheight)
+			{
+				ysf=xsf=(qreal)paintRect.width()/gwidth;
+				ytr+=(qreal)(paintRect.height()-gheight*ysf)/2;
+			}
+			else
+			{
+				ysf=xsf=(qreal)paintRect.height()/gheight;
+				xtr+=(qreal)(paintRect.width()-gwidth*xsf)/2;
+			}
+			break;
+
+		case CenterBarCode:
+				qDebug()<<xtr<<ytr;
+				xtr+=((qreal)paintRect.width()-gwidth*xsf)/2;
+				ytr+=((qreal)paintRect.height()-gheight*ysf)/2;
+				qDebug()<<xtr<<ytr;
+			break;
+	}
+
+	painter.setBackground(QBrush(m_bgColor));
+	painter.fillRect(paintRect,QBrush(m_bgColor));
+	painter.translate(xtr,ytr);
+	painter.scale(xsf,ysf);
+
+	QPen p;
+	p.setColor(m_fgColor);
+	p.setWidth(m_boderWidth);
+	painter.setPen(p);
+
+	QPainterPath pt;
+	switch(m_border)
+	{
+		case BOX:
+			painter.drawLine(m_boderWidth/2,m_boderWidth/2, gwidth-m_boderWidth/2, m_boderWidth/2);
+			painter.drawLine(gwidth-m_boderWidth/2, m_boderWidth/2,gwidth-m_boderWidth/2, gheight-m_boderWidth/2);
+			painter.drawLine(gwidth-m_boderWidth/2, gheight-m_boderWidth/2, m_boderWidth/2, gheight-m_boderWidth/2);
+			painter.drawLine(m_boderWidth/2, gheight-m_boderWidth/2, m_boderWidth/2,m_boderWidth/2);
+			painter.translate(m_boderWidth,m_boderWidth);
+			break;
+
+		case BIND:
+			painter.drawLine(m_boderWidth/2,m_boderWidth/2,gwidth-m_boderWidth/2, m_boderWidth/2);
+			painter.drawLine(m_boderWidth/2,gheight-m_boderWidth/2,gwidth-m_boderWidth/2, gheight-m_boderWidth/2);
+			painter.translate(0,m_boderWidth);
+			break;
+
+		default:
+			break;;
+	}
+
+	p.setWidth(1);
+	painter.setPen(p);
+
+	if (1==m_zintSymbol->rows && !m_zintSymbol->row_height[0])
+		m_zintSymbol->row_height[0]=m_zintSymbol->height;
+
+	if (m_zintSymbol->symbology == BARCODE_MAXICODE)
+	{
+		painter.save();
+		painter.setRenderHint(QPainter::Antialiasing);
+
+		for (int row=0;row<m_zintSymbol->rows;row++)
+			for (int i=0;i<m_zintSymbol->width;i++)
+				if (m_zintSymbol->encoded_data[row][i]=='1')
+				{
+					QPainterPath pt;
+					pt.moveTo(i*12+4, row*12);
+					pt.lineTo(i*12+4+4, row*12);
+					pt.lineTo(i*12+12, row*12+4);
+					pt.lineTo(i*12+12, row*12+4+4);
+					pt.lineTo(i*12+4+4, row*12+12);
+					pt.lineTo(i*12+4, row*12+12);
+					pt.lineTo(i*12, row*12+4+4);
+					pt.lineTo(i*12, row*12+4);
+					pt.lineTo(i*12+4, row*12);
+					painter.fillPath(pt,QBrush(m_fgColor));
+				}
+
+		p.setWidth(8);
+		painter.setPen(p);
+		painter.drawEllipse(QPointF((qreal)m_zintSymbol->width/2*12,m_zintSymbol->height/2*12),12+4,12+4);
+		painter.drawEllipse(QPointF((qreal)m_zintSymbol->width/2*12,m_zintSymbol->height/2*12),12+8+8+4,12+8+8+4);
+		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);
+		painter.restore();
+	}
+	else
+	{
+		int y=0;
+		for (int row=0;row<m_zintSymbol->rows;row++)
+		{
+			for (int i=0;i<m_zintSymbol->width;i++)
+				if (m_zintSymbol->encoded_data[row][i]!='0')
+				{
+					int ed=m_zintSymbol->encoded_data[row][i];
+					int linewidth=0;
+					for (int j=i;j<m_zintSymbol->width;j++,linewidth++)
+						if (ed!=m_zintSymbol->encoded_data[row][j])
+							break;
+					QColor color;
+					switch(ed)
+					{
+						case 'R':
+							color=qRgb(0xff,0x00,0x00);
+							break;
+
+						case 'G':
+							color=qRgb(0x00,0xff,0x00);
+							break;
+
+						case 'B':
+							color=qRgb(0x00,0x00,0xff);
+							break;
+
+						case 'C':
+							color=qRgb(0x00,0xff,0xff);
+							break;
+
+						case 'M':
+							color=qRgb(0xff,0x00,0xff);
+							break;
+
+						case 'Y':
+							color=qRgb(0xff,0xff,0x00);
+							break;
+
+						default:
+							color=m_fgColor;
+							break;
+					}
+					painter.fillRect(i,y,linewidth,m_zintSymbol->row_height[row],QBrush(color));
+				}
+			y+=m_zintSymbol->row_height[row];
+		}
+	}
+	painter.restore();
+}
+
+}
+
diff --git a/backend_qt4/barcoderender.h b/backend_qt4/barcoderender.h
new file mode 100644
index 00000000..59fcc141
--- /dev/null
+++ b/backend_qt4/barcoderender.h
@@ -0,0 +1,76 @@
+/***************************************************************************
+ *   Copyright (C) 2008 by BogDan Vatra                                    *
+ *   bogdan@licentia.eu                                                    *
+ *                                                                         *
+ *   This program is free software: you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation, either version 3 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
+ ***************************************************************************/
+
+#ifndef BARCODERENDER_H
+#define BARCODERENDER_H
+#include <QImage>
+#include <QColor>
+
+#include "zint.h"
+
+namespace Zint
+{
+
+class BareCode
+{
+public:
+
+enum BorderType{NO_BORDER=0, BIND=1, BOX=2};
+enum AspectRatioMode{IgnoreAspectRatio=0, KeepAspectRatio=1, CenterBarCode=2};
+
+public:
+	BareCode();
+	~BareCode();
+
+	void setSymbol(int symbol);
+	void setText(const QString & text);
+	void setPrimaryMessage(const QString & primaryMessage);
+	void setHeight(int height);
+	int height();
+	void setBorder(BorderType border);
+	void setBorderWidth(int boderWidth);
+	void setWidth(int width);
+	int width();
+	void setSecurityLevel(int securityLevel);
+	void setPdf417CodeWords(int pdf417CodeWords);
+	void setFgColor(const QColor & fgColor);
+	void setBgColor(const QColor & bgColor);
+
+	void render(QPainter & painter, const QRectF & paintRect, AspectRatioMode mode=IgnoreAspectRatio, qreal scaleFactor=1);
+
+	const QString & lastError();
+	bool hasErrors();
+
+private:
+	void encode();
+
+private:
+	int m_symbol;
+	QString m_text;
+	QString m_primaryMessage;
+	int m_height;
+	BorderType m_border;
+	int m_boderWidth;
+	int m_width;
+	int m_securityLevel;
+	int m_pdf417CodeWords;
+	QColor m_fgColor;
+	QColor m_bgColor;
+	QString m_lastError;
+	zint_symbol * m_zintSymbol;
+};
+}
+#endif
diff --git a/backend_qt4/compile_n_config b/backend_qt4/compile_n_config
new file mode 100755
index 00000000..f2feb4c1
--- /dev/null
+++ b/backend_qt4/compile_n_config
@@ -0,0 +1,8 @@
+#!/bin/sh
+
+qmake -set ZINT_INSTALL_LIBS /usr/local/lib
+qmake -set ZINT_INSTALL_HEADERS /usr/local/include
+
+qmake && make && make install
+
+ldconfig
diff --git a/backend_qt4/readme b/backend_qt4/readme
new file mode 100644
index 00000000..2ec3a7db
--- /dev/null
+++ b/backend_qt4/readme
@@ -0,0 +1,9 @@
+Edit zint-1.6.pro and edit the 'DEFINES'  section
+    NO_PNG -> compile zint without png support
+    NO_QR -> compile zint without QR support
+    QR_SYSTEM -> if you have QT installed in your system, zint will be compiled with QT support
+    QR -> compile zint with QR support static (you must have qrencode in the current folder)
+
+Edit compile_n_config and set the paths.
+
+Exec compile_n_config