Initial implementation of barcode object.
This commit is contained in:
Jim Evins
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/* LabelModelBarcodeObject.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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#include "LabelModelBarcodeObject.h"
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#include "BarcodeBackends.h"
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#include "Size.h"
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#include "glbarcode/Factory.h"
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#include "glbarcode/QtRenderer.h"
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#include <QBrush>
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#include <QPen>
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#include <QTextDocument>
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#include <QTextBlock>
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#include <QRegularExpression>
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#include <QtDebug>
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namespace glabels
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{
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//
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// Private
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//
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namespace
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{
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}
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///
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/// Constructor
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///
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LabelModelBarcodeObject::LabelModelBarcodeObject()
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{
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mOutline = new Outline( this );
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mHandles << new HandleNorthWest( this );
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mHandles << new HandleNorth( this );
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mHandles << new HandleNorthEast( this );
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mHandles << new HandleEast( this );
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mHandles << new HandleSouthEast( this );
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mHandles << new HandleSouth( this );
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mHandles << new HandleSouthWest( this );
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mHandles << new HandleWest( this );
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mBcStyle = BarcodeBackends::lookupStyleFromId( "code39" );
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mBcTextFlag = mBcStyle.canText();
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mBcChecksumFlag = mBcStyle.canChecksum();
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mBcFormatDigits = mBcStyle.preferedN();
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mBcDataNode = TextNode( false, mBcStyle.defaultDigits() );
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mBcColorNode = ColorNode( Qt::black );
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update(); // Initialize cached editor layouts
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}
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///
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/// Copy constructor
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///
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LabelModelBarcodeObject::LabelModelBarcodeObject( const LabelModelBarcodeObject* object )
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: LabelModelObject(object)
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{
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mBcStyle = object->mBcStyle;
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mBcTextFlag = object->mBcTextFlag;
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mBcChecksumFlag = object->mBcChecksumFlag;
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mBcFormatDigits = object->mBcFormatDigits;
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mBcDataNode = object->mBcDataNode;
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mBcColorNode = object->mBcColorNode;
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mEditorBarcode = nullptr;
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update(); // Initialize cached editor layouts
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}
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///
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/// Destructor
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///
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LabelModelBarcodeObject::~LabelModelBarcodeObject()
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{
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delete mOutline;
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foreach( Handle* handle, mHandles )
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{
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delete handle;
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}
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mHandles.clear();
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delete mEditorBarcode;
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}
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///
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/// Clone
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///
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LabelModelBarcodeObject* LabelModelBarcodeObject::clone() const
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{
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return new LabelModelBarcodeObject( this );
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}
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///
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/// bcDataNode Property Getter
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///
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TextNode LabelModelBarcodeObject::bcDataNode() const
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{
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return mBcDataNode;
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}
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///
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/// bcDataNode Property Setter
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///
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void LabelModelBarcodeObject::setBcDataNode( const TextNode& value )
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{
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if ( mBcDataNode != value )
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{
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mBcDataNode = value;
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update();
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emit changed();
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}
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}
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///
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/// bcTextFlag Property Getter
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///
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bool LabelModelBarcodeObject::bcTextFlag() const
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{
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return mBcTextFlag;
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}
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///
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/// bcTextFlag Property Setter
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///
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void LabelModelBarcodeObject::setBcTextFlag( bool value )
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{
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if ( mBcTextFlag != value )
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{
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mBcTextFlag = value;
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update();
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emit changed();
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}
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}
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///
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/// bcChecksumFlag Property Getter
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///
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bool LabelModelBarcodeObject::bcChecksumFlag() const
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{
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return mBcChecksumFlag;
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}
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///
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/// bcChecksumFlag Property Setter
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///
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void LabelModelBarcodeObject::setBcChecksumFlag( bool value )
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{
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if ( mBcChecksumFlag != value )
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{
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mBcChecksumFlag = value;
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update();
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emit changed();
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}
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}
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///
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/// Barcode Color Node Property Getter
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///
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ColorNode LabelModelBarcodeObject::bcColorNode() const
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{
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return mBcColorNode;
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}
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///
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/// Barcode Color Node Property Setter
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///
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void LabelModelBarcodeObject::setBcColorNode( const ColorNode& value )
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{
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if ( mBcColorNode != value )
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{
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mBcColorNode = value;
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update();
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emit changed();
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}
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}
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///
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/// Barcode Style Property Getter
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///
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BarcodeStyle LabelModelBarcodeObject::bcStyle() const
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{
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return mBcStyle;
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}
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///
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/// Barcode Style Property Setter
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///
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void LabelModelBarcodeObject::setBcStyle( const BarcodeStyle& value )
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{
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if ( mBcStyle != value )
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{
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mBcStyle = value;
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update();
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emit changed();
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}
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}
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///
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/// Barcode Format Digits Property Getter
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///
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int LabelModelBarcodeObject::bcFormatDigits() const
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{
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return mBcFormatDigits;
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}
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///
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/// Barcode Format Digits Property Setter
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///
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void LabelModelBarcodeObject::setBcFormatDigits( int value )
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{
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if ( mBcFormatDigits != value )
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{
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mBcFormatDigits = value;
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update();
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emit changed();
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}
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}
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///
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/// Draw shadow of object
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///
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void LabelModelBarcodeObject::drawShadow( QPainter* painter,
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bool inEditor,
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merge::Record* record ) const
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{
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QColor bcColor = mBcColorNode.color( record );
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if ( bcColor.alpha() )
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{
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QColor shadowColor = mShadowColorNode.color( record );
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shadowColor.setAlphaF( mShadowOpacity );
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if ( inEditor )
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{
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drawBcInEditor( painter, shadowColor );
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}
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else
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{
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drawBc( painter, shadowColor, record );
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}
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}
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}
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///
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/// Draw object itself
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///
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void LabelModelBarcodeObject::drawObject( QPainter* painter,
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bool inEditor,
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merge::Record* record ) const
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{
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QColor bcColor = mBcColorNode.color( record );
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if ( inEditor )
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{
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drawBcInEditor( painter, bcColor );
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}
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else
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{
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drawBc( painter, bcColor, record );
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}
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}
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///
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/// Path to test for hover condition
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///
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QPainterPath LabelModelBarcodeObject::hoverPath( double scale ) const
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{
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return mHoverPath;
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}
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///
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/// Size updated
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///
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void LabelModelBarcodeObject::sizeUpdated()
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{
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update();
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}
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///
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/// Update cached information for editor view
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///
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void LabelModelBarcodeObject::update()
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{
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if ( mEditorBarcode )
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{
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delete mEditorBarcode;
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}
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mEditorBarcode = glbarcode::Factory::createBarcode( mBcStyle.id().toStdString() );
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mEditorBarcode->setChecksum(mBcChecksumFlag);
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mEditorBarcode->setShowText(mBcTextFlag);
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if ( mBcDataNode.isField() )
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{
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mEditorBarcode->build( mBcStyle.defaultDigits().toStdString(), mW.pt(), mH.pt() );
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}
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else
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{
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mEditorBarcode->build( mBcDataNode.data().toStdString(), mW.pt(), mH.pt() );
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}
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mW = Distance::pt( mEditorBarcode->width() );
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mH = Distance::pt( mEditorBarcode->height() );
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QPainterPath path;
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path.addRect( 0, 0, mEditorBarcode->width(), mEditorBarcode->height() );
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mHoverPath = path;
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}
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///
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/// Draw text in editor from cached information
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///
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void LabelModelBarcodeObject::drawBcInEditor( QPainter* painter, const QColor& color ) const
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{
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painter->setPen( QPen( color ) );
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if ( mEditorBarcode->isDataValid() )
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{
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glbarcode::QtRenderer renderer(painter);
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mEditorBarcode->render( renderer );
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}
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else if ( mEditorBarcode->isEmpty() )
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{
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// FIXME: display "Empty"
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}
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else
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{
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// FIXME: display "Invalid data"
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}
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}
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///
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/// Draw text in final printout or preview
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///
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void
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LabelModelBarcodeObject::drawBc( QPainter* painter,
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const QColor& color,
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merge::Record* record ) const
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{
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painter->setPen( QPen( color ) );
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glbarcode::Barcode* bc = glbarcode::Factory::createBarcode( mBcStyle.id().toStdString() );
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bc->setChecksum(mBcChecksumFlag);
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bc->setShowText(mBcTextFlag);
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bc->build( mBcDataNode.text(record).toStdString(), mW.pt(), mH.pt() );
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glbarcode::QtRenderer renderer(painter);
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bc->render( renderer );
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}
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} // namespace glabels
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