Jaye Evins
157 lines
3.8 KiB
C++
157 lines
3.8 KiB
C++
/* MiniPreviewPixmap.cpp
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*
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* Copyright (C) 2013-2016 Jaye 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 "RollTemplatePath.h"
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#include "model/Template.h"
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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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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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MiniPreviewPixmap::MiniPreviewPixmap()
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{
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// empty
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}
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MiniPreviewPixmap::MiniPreviewPixmap( const model::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 model::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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// For "Roll" templates, allow extra room for tape width and continuation break lines
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model::Distance drawWidth = tmplate->pageWidth();
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model::Distance drawHeight = tmplate->pageHeight();
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if ( tmplate->isRoll() )
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{
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drawWidth = tmplate->rollWidth();
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drawHeight *= 1.2;
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}
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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/drawWidth.pt()) > (h/drawHeight.pt()) )
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{
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scale = h / drawHeight.pt();
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}
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else
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{
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scale = w / drawWidth.pt();
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}
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painter.scale( scale, scale );
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model::Distance xOffset = ( model::Distance::pt(width/scale) - tmplate->pageWidth() ) / 2;
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model::Distance yOffset = ( model::Distance::pt(height/scale) - tmplate->pageHeight() ) / 2;
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painter.translate( xOffset.pt(), yOffset.pt() );
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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 model::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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if ( !tmplate->isRoll() )
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{
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painter.drawRect( 0, 0, tmplate->pageWidth().pt(), tmplate->pageHeight().pt() );
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}
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else
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{
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painter.drawPath( RollTemplatePath( tmplate ) );
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}
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painter.restore();
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}
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void MiniPreviewPixmap::drawLabelOutlines( QPainter& painter, const model::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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model::Frame *frame = tmplate->frames().first();
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QVector<model::Point> origins = frame->getOrigins();
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foreach ( model::Point p0, origins )
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{
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drawLabelOutline( painter, frame, p0 );
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}
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painter.restore();
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}
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void MiniPreviewPixmap::drawLabelOutline( QPainter& painter, const model::Frame* frame, const model::Point& p0 )
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{
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painter.save();
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painter.translate( p0.x().pt(), p0.y().pt() );
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painter.drawPath( frame->path() );
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painter.restore();
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}
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} // namespace glabels
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