Initial implementation of Zint barcode backend.
This commit is contained in:
Jim Evins
@@ -24,6 +24,7 @@
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#include "BarcodeBackends/GnuBarcode.h"
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#include "BarcodeBackends/QrEncode.h"
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#include "BarcodeBackends/Zint.h"
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namespace glabels
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@@ -169,6 +170,18 @@ namespace glabels
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false, false, true, false, "1234567890AB", false, 12 );
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#endif // HAVE_QRENCODE
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#if HAVE_ZINT
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//
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// Zint barcode backend
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//
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registerBackend( "zint", "Zint" );
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glbarcode::Factory::registerType( "zint::ausp", Zint::AusP::create );
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registerStyle( "ausp", "zint", tr("Austraila Post Standard"),
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false, false, true, false, "12345678901234567890123", true, 23 );
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#endif // HAVE_ZINT
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}
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@@ -4,6 +4,7 @@
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set (barcode_sources
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GnuBarcode.cpp
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QrEncode.cpp
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Zint.cpp
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)
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add_library (Barcode STATIC
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@@ -0,0 +1,147 @@
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/* Zint.cpp
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*
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* Copyright (C) 2017 Jim Evins <evins@snaught.com>
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*
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* This file is part of gLabels-qt.
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*
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* gLabels-qt 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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*
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* gLabels-qt 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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*
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* You should have received a copy of the GNU General Public License
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* along with gLabels-qt. If not, see <http://www.gnu.org/licenses/>.
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*/
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#if HAVE_GNU_BARCODE
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#include "Zint.h"
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#include <QtDebug>
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#include <zint.h>
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namespace
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{
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const int W_PTS_DEFAULT = 144;
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const int H_PTS_DEFAULT = 72;
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}
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namespace glabels
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{
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namespace Zint
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{
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//
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// Zint barcode data validation method
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//
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bool Base::validate( const std::string& rawData )
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{
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return rawData.size() != 0;
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}
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//
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// Zint barcode data vectorization method
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//
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void Base::vectorize( const std::string& encodedData,
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const std::string& displayText,
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const std::string& cookedData,
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double& w,
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double& h )
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{
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/*
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* First encode using Zint barcode library.
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*/
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if ( w == 0 )
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{
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w = W_PTS_DEFAULT;
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}
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if ( h == 0 )
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{
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h = H_PTS_DEFAULT;
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}
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zint_symbol* symbol = ZBarcode_Create();;
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symbol->symbology = symbology;
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if ( ZBarcode_Encode( symbol, (unsigned char*)(cookedData.c_str()), 0 ) != 0 )
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{
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qDebug() << "Zint::ZBarcode_Encode: " << QString(symbol->errtxt);
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setIsDataValid( false );
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return;
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}
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symbol->show_hrt = showText();
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if ( ZBarcode_Render( symbol, (float)w, (float)h ) == 0 )
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{
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qDebug() << "Zint::ZBarcode_Render: " << QString(symbol->errtxt);
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setIsDataValid( false );
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return;
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}
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/*
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* Now do the actual vectorization.
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*/
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zint_render *render = symbol->rendered;
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setWidth( render->width );
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setHeight( render->height );
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for ( zint_render_line *zline = render->lines; zline != nullptr; zline = zline->next )
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{
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addBox( zline->x, zline->y, zline->width, zline->length );
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}
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for ( zint_render_ring *zring = render->rings; zring != nullptr; zring = zring->next )
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{
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addRing( zring->x, zring->y, zring->radius, zring->line_width );
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}
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for ( zint_render_hexagon *zhexagon = render->hexagons; zhexagon != nullptr; zhexagon = zhexagon->next )
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{
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addHexagon( zhexagon->x, zhexagon->y, 2.89 );
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}
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if( showText() )
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{
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for ( zint_render_string *zstring = render->strings; zstring != nullptr; zstring = zstring->next )
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{
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addText( zstring->x, zstring->y, zstring->fsize, QString((char*)(zstring->text)).toStdString() );
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}
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}
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ZBarcode_Delete( symbol );
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}
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//////////////////////////////////////////////////////
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// AusP Barcode
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//////////////////////////////////////////////////////
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glbarcode::Barcode* AusP::create()
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{
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return new AusP();
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}
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std::string AusP::encode( const std::string& cookedData )
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{
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symbology = BARCODE_AUSPOST;
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return ""; // Actual encoding is done in vectorize
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}
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}
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}
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#endif // HAVE_GNU_BARCODE
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@@ -0,0 +1,74 @@
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/* Zint.h
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*
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* Copyright (C) 2017 Jim Evins <evins@snaught.com>
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*
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* This file is part of gLabels-qt.
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*
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* gLabels-qt 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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*
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* gLabels-qt 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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*
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* You should have received a copy of the GNU General Public License
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* along with gLabels-qt. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef barcode_Zint_h
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#define barcode_Zint_h
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#if HAVE_ZINT
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#include "glbarcode/Barcode1dBase.h"
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namespace glabels
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{
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namespace Zint
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{
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/**
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* Zint::Base base class for all Zint barcodes
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*
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* Implements glbarcode::Barcode1dBase.
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*/
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class Base : public glbarcode::Barcode1dBase
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{
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protected:
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int symbology;
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bool validate( const std::string& rawData ) override;
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void vectorize( const std::string& encodedData,
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const std::string& displayText,
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const std::string& cookedData,
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double& w,
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double& h ) override;
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};
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/**
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* AusP Barcode
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*/
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class AusP : public Base
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{
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public:
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static Barcode* create();
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protected:
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std::string encode( const std::string& cookedData ) override;
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};
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}
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}
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#endif // HAVE_ZINT
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#endif // barcode_Zint_h
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@@ -26,6 +26,13 @@ else (${LIBQRENCODE_FOUND})
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set (LIBQRENCODE_LIBRARIES "")
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endif (${LIBQRENCODE_FOUND})
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if (${LIBZINT_FOUND})
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add_definitions (-DHAVE_ZINT=1)
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else (${LIBZINT_FOUND})
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set (LIBZINT_INCLUDE_DIR "")
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set (LIBZINT_LIBRARIES "")
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endif (${LIBZINT_FOUND})
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#=======================================
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# Auto-generate Version.h
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@@ -202,6 +209,7 @@ target_link_libraries (glabels-qt
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${ZLIB_LIBRARIES}
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${GNUBARCODE_LIBRARIES}
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${LIBQRENCODE_LIBRARIES}
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${LIBZINT_LIBRARIES}
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)
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@@ -217,6 +225,7 @@ include_directories (
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${Qt5Svg_INCLUDE_DIRS}
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${GNUBARCODE_INCLUDE_DIR}
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${LIBQRENCODE_INCLUDE_DIR}
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${LIBZINT_INCLUDE_DIR}
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)
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link_directories (
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