Jim Evins
135 lines
3.2 KiB
C++
135 lines
3.2 KiB
C++
/* MiniPreviewPixmap.cpp
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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 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 "MiniPreviewPixmap.h"
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#include "Template.h"
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namespace
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{
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const QColor paperColor( 217, 217, 217 );
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const QColor paperOutlineColor( 0, 0, 0 );
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const double paperOutlineWidthPixels = 1.0;
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const QColor labelColor( 242, 242, 242 );
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const QColor labelOutlineColor( 64, 64, 64 );
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const double labelOutlineWidthPixels = 1.0;
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}
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namespace libglabels
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{
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MiniPreviewPixmap::MiniPreviewPixmap()
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{
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}
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MiniPreviewPixmap::MiniPreviewPixmap( const Template *tmplate, int width, int height )
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: QPixmap( width, height )
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{
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draw( tmplate, width, height );
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}
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void MiniPreviewPixmap::draw( const Template *tmplate, int width, int height )
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{
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fill( Qt::transparent );
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QPainter painter( this );
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painter.setBackgroundMode( Qt::TransparentMode );
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painter.setRenderHint( QPainter::Antialiasing, true );
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double w = width - 1;
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double h = height - 1;
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double scale;
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if ( (w/tmplate->pageWidth()) > (h/tmplate->pageHeight()) )
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{
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scale = h / tmplate->pageHeight();
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}
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else
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{
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scale = w / tmplate->pageWidth();
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}
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painter.scale( scale, scale );
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double xOffset = ( width/scale - tmplate->pageWidth() ) / 2;
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double yOffset = ( height/scale - tmplate->pageHeight() ) / 2;
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painter.translate( xOffset, yOffset );
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drawPaper( painter, tmplate, scale );
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drawLabelOutlines( painter, tmplate, scale );
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}
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void MiniPreviewPixmap::drawPaper( QPainter &painter, const Template *tmplate, double scale )
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{
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QBrush brush( paperColor );
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QPen pen( paperOutlineColor );
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pen.setWidth( paperOutlineWidthPixels/scale );
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painter.save();
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painter.setBrush( brush );
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painter.setPen( pen );
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painter.drawRect( 0, 0, tmplate->pageWidth(), tmplate->pageHeight() );
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painter.restore();
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}
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void MiniPreviewPixmap::drawLabelOutlines( QPainter &painter, const Template *tmplate, double scale )
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{
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QBrush brush( labelColor );
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QPen pen( labelOutlineColor );
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pen.setWidth( labelOutlineWidthPixels/scale );
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painter.save();
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painter.setBrush( brush );
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painter.setPen( pen );
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Frame *frame = tmplate->frames().first();
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QVector<Point> origins = frame->getOrigins();
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foreach ( Point point, origins )
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{
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drawLabelOutline( painter, frame, point.x(), point.y() );
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}
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painter.restore();
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}
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void MiniPreviewPixmap::drawLabelOutline( QPainter &painter, const Frame *frame, double x0, double y0 )
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{
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painter.save();
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painter.translate( x0, y0 );
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painter.drawPath( frame->path() );
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painter.restore();
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}
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}
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