Jim Evins
484 lines
12 KiB
C++
484 lines
12 KiB
C++
/* LabelModelItem.h
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*
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* Copyright (C) 2013 Jim Evins <evins@snaught.com>
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*
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* This file is part of qtLabels.
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*
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* qtLabels 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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* qtLabels 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 qtLabels. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef qtlabels_LabelModelItem_h
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#define qtlabels_LabelModelItem_h
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#include <QObject>
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#include <QTransform>
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#include <QFont>
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#include <QPainter>
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#include "ColorNode.h"
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#include "TextNode.h"
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#include "BarcodeStyle.h"
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#include "LabelRegion.h"
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#include "MergeRecord.h"
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namespace qtLabels
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{
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class LabelModelItem : public QObject
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{
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Q_OBJECT
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///////////////////////////////////////////////////////////////
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// Lifecycle Methods
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///////////////////////////////////////////////////////////////
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public:
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LabelModelItem();
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virtual ~LabelModelItem() {}
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///////////////////////////////////////////////////////////////
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// Signals
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///////////////////////////////////////////////////////////////
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signals:
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void moved();
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void changed();
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///////////////////////////////////////////////////////////////
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// Common Properties
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///////////////////////////////////////////////////////////////
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public:
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/*
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* Selected Property.
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*/
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Q_PROPERTY( bool selected READ is_selected WRITE select RESET unselect )
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bool is_selected( void ) { return m_selected_flag; }
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void select( bool value = true ) { m_selected_flag = value; }
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void unselect( void ) { m_selected_flag = false; }
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/*
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* x0 Property ( x coordinate of origin )
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*/
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Q_PROPERTY( double x0 READ x0 WRITE x0 );
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double x0( void ) { return m_x0; }
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void x0( double value )
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{
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if ( m_x0 != value ) { m_x0 = value; emit moved(); }
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}
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/*
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* y0 Property ( y coordinate of origin )
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*/
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Q_PROPERTY( double y0 READ y0 WRITE y0 );
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double y0( void ) { return m_y0; }
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void y0( double value )
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{
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if ( m_y0 != value ) { m_y0 = value; emit moved(); }
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}
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/*
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* w Property ( width of bounding box )
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*/
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Q_PROPERTY( double w READ w WRITE w );
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double w( void ) { return m_w; }
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void w( double value )
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{
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if ( m_w != value ) { m_w = value; emit moved(); }
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}
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/*
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* h Property ( height of bounding box )
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*/
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Q_PROPERTY( double h READ h WRITE h );
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double h( void ) { return m_h; }
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void h( double value )
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{
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if ( m_h != value ) { m_h = value; emit moved(); }
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}
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/*
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* Transformation Matrix Property
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*/
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Q_PROPERTY( QTransform matrix READ matrix WRITE matrix );
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QTransform matrix( void ) { return m_matrix; }
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void matrix( const QTransform &value )
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{
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if ( m_matrix != value ) { m_matrix = value; emit changed(); }
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}
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/*
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* Shadow State Property
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*/
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Q_PROPERTY( bool shadow READ shadow WRITE shadow );
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bool shadow( void ) { return m_shadow_state; }
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void shadow( bool value )
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{
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if ( m_shadow_state != value ) { m_shadow_state = value; emit changed(); }
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}
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/*
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* Shadow x Offset Property
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*/
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Q_PROPERTY( double shadow_x READ shadow_x WRITE shadow_x );
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double shadow_x( void ) { return m_shadow_x; }
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void shadow_x( double value )
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{
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if ( m_shadow_x != value ) { m_shadow_x = value; emit changed(); }
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}
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/*
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* Shadow y Offset Property
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*/
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Q_PROPERTY( double shadow_y READ shadow_y WRITE shadow_y );
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double shadow_y( void ) { return m_shadow_y; }
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void shadow_y( double value )
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{
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if ( m_shadow_y != value ) { m_shadow_y = value; emit changed(); }
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}
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/*
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* Shadow opacity Property
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*/
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Q_PROPERTY( double shadow_opacity READ shadow_opacity WRITE shadow_opacity );
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double shadow_opacity( void ) { return m_shadow_opacity; }
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void shadow_opacity( double value )
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{
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if ( m_shadow_opacity != value ) { m_shadow_opacity = value; emit changed(); }
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}
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/*
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* Shadow Color Property
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*/
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Q_PROPERTY( ColorNode shadow_color_node READ shadow_color_node WRITE shadow_color_node );
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ColorNode shadow_color_node( void ) { return m_shadow_color_node; }
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void shadow_color_node( const ColorNode &value )
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{
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if ( m_shadow_color_node != value ) { m_shadow_color_node = value; emit changed(); }
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}
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///////////////////////////////////////////////////////////////
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// Text Properties Virtual Interface
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///////////////////////////////////////////////////////////////
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public:
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/*
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* Virtual Text Property: font_family
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*/
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Q_PROPERTY( QString font_family READ font_family WRITE font_family );
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virtual QString font_family( void ) { return ""; }
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virtual void font_family( const QString &value ) { }
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/*
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* Virtual Text Property: font_size
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*/
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Q_PROPERTY( double font_size READ font_size WRITE font_size );
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virtual double font_size( void ) { return 0; }
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virtual void font_size( double value ) { }
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/*
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* Virtual Text Property: font_weight
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*/
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Q_PROPERTY( QFont::Weight font_weight READ font_weight WRITE font_weight );
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virtual QFont::Weight font_weight( void ) { return QFont::Normal; }
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virtual void font_weight( QFont::Weight value ) { }
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/*
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* Virtual Text Property: font_italic_flag
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*/
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Q_PROPERTY( bool font_italic_flag READ font_italic_flag WRITE font_italic_flag );
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virtual bool font_italic_flag( void ) { return false; }
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virtual void font_italic_flag( bool value ) { }
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/*
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* Virtual Text Property: font_underline_flag
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*/
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Q_PROPERTY( bool font_underline_flag READ font_underline_flag WRITE font_underline_flag );
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virtual bool font_underline_flag( void ) { return false; }
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virtual void font_underline_flag( bool value ) { }
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/*
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* Virtual Text Property: font_color_node
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*/
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Q_PROPERTY( ColorNode font_color_node READ font_color_node WRITE font_color_node );
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virtual ColorNode font_color_node( void ) { return ColorNode( QColor::fromRgba(0x00000000) ); }
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virtual void font_color_node( const ColorNode &value ) { }
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/*
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* Virtual Text Property: text_halign
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*/
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Q_PROPERTY( Qt::Alignment text_halign READ text_halign WRITE text_halign );
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virtual Qt::Alignment text_halign( void ) { return Qt::AlignLeft; }
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virtual void text_halign( Qt::Alignment value ) { }
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/*
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* Virtual Text Property: text_valign
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*/
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Q_PROPERTY( Qt::Alignment text_valign READ text_valign WRITE text_valign );
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virtual Qt::Alignment text_valign( void ) { return Qt::AlignTop; }
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virtual void text_valign( Qt::Alignment value ) { }
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/*
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* Virtual Text Property: text_line_spacing
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*/
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Q_PROPERTY( double text_line_spacing READ text_line_spacing WRITE text_line_spacing );
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virtual double text_line_spacing( void ) { return 0; }
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virtual void text_line_spacing( double value ) { }
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///////////////////////////////////////////////////////////////
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// Image Properties Virtual Interface
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///////////////////////////////////////////////////////////////
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public:
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/*
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* Virtual Image Property: filename_node
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*/
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Q_PROPERTY( TextNode filename_node READ filename_node WRITE filename_node );
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virtual TextNode filename_node( void ) { return TextNode(); }
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virtual void filename_node( const TextNode &value ) { }
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///////////////////////////////////////////////////////////////
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// Shape Properties Virtual Interface
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///////////////////////////////////////////////////////////////
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public:
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/*
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* Virtual Shape Property: line_width
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*/
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Q_PROPERTY( double line_width READ line_width WRITE line_width );
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virtual double line_width( void ) { return 0; }
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virtual void line_width( double value ) { }
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/*
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* Virtual Shape Property: line_color_node
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*/
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Q_PROPERTY( ColorNode line_color_node READ line_color_node WRITE line_color_node );
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virtual ColorNode line_color_node( void ) { return ColorNode( QColor::fromRgba(0x00000000) ); }
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virtual void line_color_node( const ColorNode &value ) { }
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/*
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* Virtual Shape Property: fill_color_node
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*/
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Q_PROPERTY( ColorNode fill_color_node READ fill_color_node WRITE fill_color_node );
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virtual ColorNode fill_color_node( void ) { return ColorNode( QColor::fromRgba(0x00000000) ); }
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virtual void fill_color_node( const ColorNode &value ) { }
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///////////////////////////////////////////////////////////////
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// Barcode Properties Virtual Interface
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///////////////////////////////////////////////////////////////
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public:
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/*
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* Virtual Barcode Property: bc_data_node
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*/
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Q_PROPERTY( TextNode bc_data_node READ bc_data_node WRITE bc_data_node );
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virtual TextNode bc_data_node( void ) { return TextNode(); }
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virtual void bc_data_node( const TextNode &value ) { }
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/*
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* Virtual Barcode Property: bc_text_flag
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*/
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Q_PROPERTY( bool bc_text_flag READ bc_text_flag WRITE bc_text_flag );
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virtual bool bc_text_flag( void ) { return false; }
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virtual void bc_text_flag( bool value ) { }
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/*
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* Virtual Barcode Property: bc_checksum_flag
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*/
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Q_PROPERTY( bool bc_checksum_flag READ bc_checksum_flag WRITE bc_checksum_flag );
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virtual bool bc_checksum_flag( void ) { return false; }
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virtual void bc_checksum_flag( bool value ) { }
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/*
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* Virtual Barcode Property: bc_color_node
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*/
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Q_PROPERTY( ColorNode bc_color_node READ bc_color_node WRITE bc_color_node );
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virtual ColorNode bc_color_node( void ) { return ColorNode( QColor::fromRgba(0x00000000) ); }
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virtual void bc_color_node( const ColorNode &value ) { }
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/*
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* Virtual Barcode Property: bc_style
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*/
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Q_PROPERTY( BarcodeStyle bc_style READ bc_style WRITE bc_style );
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virtual BarcodeStyle bc_style( void ) { return BarcodeStyle(); }
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virtual void bc_style( const BarcodeStyle &value ) { }
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/*
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* Virtual Barcode Property: bc_format_digits
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*/
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Q_PROPERTY( int bc_format_digits READ bc_format_digits WRITE bc_format_digits );
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virtual int bc_format_digits( void ) { return false; }
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virtual void bc_format_digits( int value ) { }
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///////////////////////////////////////////////////////////////
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// Capabilities (Overridden by concrete classes.)
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///////////////////////////////////////////////////////////////
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public:
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virtual bool can_text() { return false; }
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virtual bool can_fill() { return false; }
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virtual bool can_line_color() { return false; }
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virtual bool can_line_width() { return false; }
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///////////////////////////////////////////////////////////////
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// Position and Size methods
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///////////////////////////////////////////////////////////////
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public:
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void set_position( double x0,
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double y0 );
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void set_position_relative( double dx,
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double dy );
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void set_size( double w,
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double h );
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void set_size_honor_aspect( double w,
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double h );
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void set_w_honor_aspect( double w );
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void set_h_honor_aspect( double h );
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LabelRegion get_extent();
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void rotate( double theta_degs );
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void flip_horiz();
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void flip_vert();
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///////////////////////////////////////////////////////////////
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// Drawing Methods
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///////////////////////////////////////////////////////////////
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public:
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void draw( QPainter &qp, bool in_editor, const MergeRecord &record );
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void draw_selection_layer( QPainter &qp );
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protected:
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virtual void draw_object( QPainter &qp, bool in_editor, MergeRecord record ) = 0;
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virtual void draw_shadow( QPainter &qp, bool in_editor, MergeRecord record ) = 0;
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///////////////////////////////////////////////////////////////
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// Text location Methods
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///////////////////////////////////////////////////////////////
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public:
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bool is_located_at( QPainter &qp, double x_pixels, double y_pixels );
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//Handle* handle_at( QPainter &qp, double x_pixels, double y_pixels );
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protected:
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virtual bool is_object_located_at( QPainter &qp, double x, double y ) = 0;
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///////////////////////////////////////////////////////////////
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// Private Members
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///////////////////////////////////////////////////////////////
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private:
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bool m_selected_flag;
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double m_x0;
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double m_y0;
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double m_w;
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double m_h;
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QTransform m_matrix;
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bool m_shadow_state;
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double m_shadow_x;
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double m_shadow_y;
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double m_shadow_opacity;
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ColorNode m_shadow_color_node;
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};
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}
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#endif // qtlabels_LabelModelItem_h
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///////////////////////////////////////////////////////////////////////////////
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#if 0
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protected List<Handle> handles;
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protected Outline? outline;
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/**
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* Parent label
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*/
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public weak Label parent { get; set; }
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#endif
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